Checkin open source version of lib SRTP.
Change-Id: I49aa21dabceca035612ac3c463a5d06a178737f3
diff --git a/Android.mk b/Android.mk
new file mode 100644
index 0000000..52fea87
--- /dev/null
+++ b/Android.mk
@@ -0,0 +1,59 @@
+# This is the Android makefile for google3/third_party/libsrtp so that we can
+# build it with the Android NDK.
+
+LOCAL_PATH:= $(call my-dir)
+
+common_SRC_FILES := \
+ srtp/srtp.c \
+ srtp/ekt.c \
+ crypto/cipher/cipher.c \
+ crypto/cipher/null_cipher.c \
+ crypto/cipher/aes.c \
+ crypto/cipher/aes_icm.c \
+ crypto/cipher/aes_cbc.c \
+ crypto/hash/null_auth.c \
+ crypto/hash/sha1.c \
+ crypto/hash/hmac.c \
+ crypto/hash/auth.c \
+ crypto/math/datatypes.c \
+ crypto/math/stat.c \
+ crypto/rng/rand_source.c \
+ crypto/rng/prng.c \
+ crypto/rng/ctr_prng.c \
+ crypto/kernel/err.c \
+ crypto/kernel/crypto_kernel.c \
+ crypto/kernel/alloc.c \
+ crypto/kernel/key.c \
+ crypto/ae_xfm/xfm.c \
+ crypto/replay/rdb.c \
+ crypto/replay/rdbx.c
+
+common_CFLAGS := \
+ -DPOSIX -iquote$(LOCAL_PATH)/crypto/include \
+ -Werror \
+ -Wno-ignored-qualifiers \
+ -Wno-sign-compare \
+ -Wno-missing-field-initializers
+
+common_C_INCLUDES = $(LOCAL_PATH)/include
+
+# For the device
+# =====================================================
+# Device static library
+
+include $(CLEAR_VARS)
+
+ifneq ($(TARGET_ARCH),x86)
+ LOCAL_NDK_VERSION := 5
+ LOCAL_SDK_VERSION := 9
+endif
+
+
+LOCAL_SRC_FILES := $(common_SRC_FILES)
+LOCAL_CFLAGS += $(common_CFLAGS)
+LOCAL_C_INCLUDES += $(common_C_INCLUDES)
+
+LOCAL_MODULE:= libsrtp_static
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_STATIC_LIBRARY)
diff --git a/Changes b/Changes
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index 0000000..949c389
--- /dev/null
+++ b/Changes
@@ -0,0 +1,223 @@
+Changelog
+
+1.3.20
+
+ Lots of changes. Thanks to Jeff Chan for catching a memory leak and
+ helping track down the endian issues with the SSRCs.
+
+1.3.8
+
+ This is an interim release. Several little-endian bugs were identified
+ and fixed; this means that we can use intel/linux for development again.
+
+ Cleaned up sha1 and hmac code significantly, got rid of some excess
+ functions and properly documented the fuctions in the .h files.
+
+ Eliminated some vestigial files.
+
+ There is a SIGBUS error in the AES encrypt function on sparc
+ (observed on both solaris and openbsd) with gcc 2.95. Was unable to
+ find bad pointer anywhere, so I'm wondering if it isn't a compiler
+ problem (there's a known problem whose profile it fits). It doesn't
+ appear on any other platform, even in the cipher_driver stress
+ tests.
+
+ Planned changes
+
+ Change interface to nonces (xtd_seq_num_t) so that it uses
+ network byte ordering, and is consistent with other arguments.
+
+
+1.3.6
+
+ Changed /dev/random (in configure.in and crypto/rng/rand_source.c) to
+ /dev/urandom; the latter is non-blocking on all known platforms (which
+ corrects some programs that seem to hang) and is actually present on
+ Open BSD (unlike /dev/random, which only works in the presence of
+ hardware supported random number generation).
+
+ Added machine/types.h case in include/integers.h.
+
+1.3.5
+
+ Removing srtp_t::template and stream_clone().
+
+ Adding a new policy structure, which will reflect a complete SRTP
+ policy (including SRTCP).
+
+ This version is *incomplete* and will undergo more changes. It is
+ provided only as a basis for discussion.
+
+1.3.4
+
+ Removed tmmh.c and tmmh.h, which implemented version one of TMMH.
+
+ Changed srtp_get_trailer_length() to act on streams rather than
+ sessions, and documented the macro SRTP_MAX_TRAILER_LEN, which should
+ usually be used rather than that function.
+
+ Removed 'salt' from cipher input.
+
+ Changed rdbx to use err.h error codes.
+
+ Changed malloc() and free() to xalloc() and xfree; these functions
+ are defined in crypto/kernel/alloc.c and declared in
+ include/alloc.h.
+
+ Added 'output' functions to cipher, in addition to 'encrypt'
+ functions. It is no longer necessary to zeroize a buffer before
+ encrypting in order to get keystream.
+
+ Changed octet_string_hex_string() so that "times two" isn't needed
+ in its input.
+
+ Added crypto_kernel_init() prior to command-line parsing, so that
+ kernel can be passed command-line arguments, such as "-d
+ debug_module". This was done to for the applications
+ test/srtp-driver, test/kernel-driver, and test/ust-driver.
+
+ Improved srtp_init_aes_128_prf - wrote key derivation function
+ (srtp_kdf_t).
+
+ Add the tag_len as an argument to the auth_compute() function, but
+ not the corresponding macro. This change allows the tag length for
+ a given auth func to be set to different values at initialization
+ time. Previously, the structure auth_t contained the
+ output_length, but that value was inaccessible from hmac_compute()
+ and other functions.
+
+ Re-named files from a-b.c to a_b.c. in order to help portability.
+
+ Re-named rijndael to aes (or aes_128 as appropriate).
+
+
+1.2.1
+
+ Changes so that 1.2.0 compiles on cygwin-win2k.
+
+ Added better error reporting system. If syslog is present on the
+ OS, then it is used.
+
+
+1.2.0 Many improvements and additions, and a fex fixes
+
+ Fixed endian issues in RTP header construction in the function
+ rtp_sendto() in srtp/rtp.c.
+
+ Implemented RIJNDAEL decryption operation, adding the functions
+ rijndael_decrypt() and rijndael_expand_decryption_key(). Also
+ re-named rijndael_expand_key() to rijndael_expand_encryption_key()
+ for consistency.
+
+ Implemented random number source using /dev/random, in the files
+ crypto/rng/rand_source.c and include/rand_source.h.
+
+ Added index check to SEAL cipher (only values less than 2^32 are
+ allowed)
+
+ Added test case for null_auth authentication function.
+
+ Added a timing test which tests the effect of CPU cache thrash on
+ cipher throughput. The test is done by the function
+ cipher_test_throughput_array(); the function
+ cipher_array_alloc_init() creates an array of ciphers for use in
+ this test. This test can be accessed by using the -a flag to
+ the application cipher-driver in the test subdirectory.
+
+ Added argument processing to ust-driver.c, and added that app to
+ the 'runtest' target in Makefile.in.
+
+ A minor auth_t API change: last argument of auth_init() eliminated.
+
+
+1.0.6 A small but important fix
+
+ Fixed srtp_init_aes_128_prf() by adding octet_string_set_to_zero()
+ after buffer allocation.
+
+ Eliminated references to no-longer-existing variables in debugging
+ code in srtp/srtp.c. This fixes the compilation failure that
+ occured when using PRINT_DEBUG in that file.
+
+ Corrected spelling of Richard Priestley's name in credits. Sorry
+ Richard!
+
+
+1.0.5 Many little fixes
+
+ Fixed octet_string_set_to_zero(), which was writing one
+ more zero octet than it should. This bug caused srtp_protect()
+ and srtp_unprotect() to overwrite the byte that followed the
+ srtp packet.
+
+ Changed sizeof(uint32_t) to srtp_get_trailer_length() in
+ srtp-driver.c. This is just defensive coding.
+
+ Added NULL check to malloc in srtp_alloc().
+
+
+1.0.4 Many minor fixes and two big ones (thanks for the bug reports!)
+
+ Removed 'ssrc' from the srtp_init_aes_128_prf() function argument
+ list. This is so that applications which do not a priori know the
+ ssrc which they will be receiving can still use libsrtp. Now the
+ SSRC value is gleaned from the rtp header and exored into the
+ counter mode offset in the srtp_protect() and srtp_unprotect()
+ functions, if that cipher is used. This change cascaed through
+ many other functions, including srtp_init_from_hex(),
+ srtp_sender_init() and srtp_receiver_init() in rtp.c, and also
+ changing the CLI to test/rtpw. In the future, another function
+ call will be added to the library that enables multiple ssrc/key
+ pairs to be installed into the same srtp session, so that libsrtp
+ works with multiple srtp senders. For now, this functionality is
+ lacking.
+
+ Removed the GDOI interface to the rtpw demo program. This will be
+ added again at a later date, after the SRTP and GDOI distributions
+ stabilize. For now, I've left in the GDOI #defines and autoconf
+ definitions so that they'll be in place when needed.
+
+ Updated tmmhv2_compute() so that it didn't assume any particular
+ alginment of the output tag.
+
+ Changed bit field variables in srtp.h to unsigned char from
+ unsigned int in order to avoid a potential endianness issue.
+
+ Fixed rdbx_estimate_index() to handle all input cases. This solves
+ the now notorious "abaft" bug in the rtpw demo app on linux/intel,
+ in which spurious replay protection failures happen after that word
+ is received.
+
+ Added ntohs(hdr->seq) to srtp_protect and srtp_unprotect, removed
+ from rijndael_icm_set_segment().
+
+ Added error checking and handling to srtp_sender_init() and
+ srtp_receiver_init().
+
+ Changed srtp_alloc() so that it does what you'd expect: allocate an
+ srtp_ctx_t structure. This hides the library internals.
+
+
+1.0.1 Many minor fixes
+
+ Added cipher_driver_buffer_test(...) to test/cipher-driver.c. This
+ function checks that the byte-buffering functions used by a cipher
+ are correct.
+
+ Fixed SunOS/Solaris build problems: added HAVE_SYS_INT_TYPES_H and
+ changed index_t to xtd_seq_num_t (see include/rdbx.h).
+
+ Fixed SEAL3.0 output byte buffering, added byte-buffering test to
+ cipher/cipher-driver.c.
+
+ Fixed roc-driver so that the non-sequential insertion test
+ automatically recovers from bad estimates. This was required to
+ prevent spurious failures.
+
+ Made rdbx_estimate_index(...) function smarter, so that initial RTP
+ sequence numbers greater than 32,768 don't cause it to estimate the
+ rollover counter of 0xffffffff.
+
+
+1.0.0 Initial release
+
diff --git a/CleanSpec.mk b/CleanSpec.mk
new file mode 100644
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--- /dev/null
+++ b/CleanSpec.mk
@@ -0,0 +1,49 @@
+# Copyright (C) 2007 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# If you don't need to do a full clean build but would like to touch
+# a file or delete some intermediate files, add a clean step to the end
+# of the list. These steps will only be run once, if they haven't been
+# run before.
+#
+# E.g.:
+# $(call add-clean-step, touch -c external/sqlite/sqlite3.h)
+# $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/STATIC_LIBRARIES/libz_intermediates)
+#
+# Always use "touch -c" and "rm -f" or "rm -rf" to gracefully deal with
+# files that are missing or have been moved.
+#
+# Use $(PRODUCT_OUT) to get to the "out/target/product/blah/" directory.
+# Use $(OUT_DIR) to refer to the "out" directory.
+#
+# If you need to re-do something that's already mentioned, just copy
+# the command and add it to the bottom of the list. E.g., if a change
+# that you made last week required touching a file and a change you
+# made today requires touching the same file, just copy the old
+# touch step and add it to the end of the list.
+#
+# ************************************************
+# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
+# ************************************************
+
+# For example:
+#$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/APPS/AndroidTests_intermediates)
+#$(call add-clean-step, rm -rf $(OUT_DIR)/target/common/obj/JAVA_LIBRARIES/core_intermediates)
+#$(call add-clean-step, find $(OUT_DIR) -type f -name "IGTalkSession*" -print0 | xargs -0 rm -f)
+#$(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/*)
+
+# ************************************************
+# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
+# ************************************************
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..dd43240
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,35 @@
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
diff --git a/MODULE_LICENSE_BSD b/MODULE_LICENSE_BSD
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/MODULE_LICENSE_BSD
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..938a6ad
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,220 @@
+# Makefile for secure rtp
+#
+# David A. McGrew
+# Cisco Systems, Inc.
+
+# targets:
+#
+# runtest runs test applications
+# test builds test applications
+# libcrypt.a static library implementing crypto engine
+# libsrtp.a static library implementing srtp
+# clean removes objects, libs, and executables
+# distribution cleans and builds a .tgz
+# tags builds etags file from all .c and .h files
+
+.PHONY: all test build_table_apps
+
+all: test
+
+runtest: build_table_apps test
+ @echo "running libsrtp test applications..."
+ crypto/test/cipher_driver$(EXE) -v >/dev/null
+ crypto/test/kernel_driver$(EXE) -v >/dev/null
+ test/rdbx_driver$(EXE) -v >/dev/null
+ test/srtp_driver$(EXE) -v >/dev/null
+ test/roc_driver$(EXE) -v >/dev/null
+ test/replay_driver$(EXE) -v >/dev/null
+ @echo "libsrtp test applications passed."
+ $(MAKE) -C crypto runtest
+
+# makefile variables
+
+CC = gcc
+INCDIR = -Icrypto/include -I$(srcdir)/include -I$(srcdir)/crypto/include
+DEFS = -DHAVE_CONFIG_H
+CPPFLAGS=
+CFLAGS = -Wall -O4 -fexpensive-optimizations -funroll-loops
+LIBS =
+LDFLAGS = -L.
+COMPILE = $(CC) $(DEFS) $(INCDIR) $(CPPFLAGS) $(CFLAGS)
+SRTPLIB = -lsrtp
+
+RANLIB = ranlib
+INSTALL = /usr/bin/install -c
+
+# EXE defines the suffix on executables - it's .exe for Windows, and
+# null on linux, bsd, and OS X and other OSes.
+EXE =
+# gdoi is the group domain of interpretation for isakmp, a group key
+# management system which can provide keys for srtp
+gdoi =
+# Random source.
+RNG_OBJS = rand_source.o
+
+srcdir = .
+top_srcdir = .
+top_builddir =
+
+prefix = /home/astor/localastor/google3/third_party/libsrtp/v1_4_2
+exec_prefix = ${prefix}
+includedir = ${prefix}/include
+libdir = ${exec_prefix}/lib
+
+
+# implicit rules for object files and test apps
+
+%.o: %.c
+ $(COMPILE) -c $< -o $@
+
+%$(EXE): %.c
+ $(COMPILE) $(LDFLAGS) $< -o $@ $(SRTPLIB) $(LIBS)
+
+
+# libcrypt.a (the crypto engine)
+ciphers = crypto/cipher/cipher.o crypto/cipher/null_cipher.o \
+ crypto/cipher/aes.o crypto/cipher/aes_icm.o \
+ crypto/cipher/aes_cbc.o
+
+hashes = crypto/hash/null_auth.o crypto/hash/sha1.o \
+ crypto/hash/hmac.o crypto/hash/auth.o # crypto/hash/tmmhv2.o
+
+replay = crypto/replay/rdb.o crypto/replay/rdbx.o \
+ crypto/replay/ut_sim.o
+
+math = crypto/math/datatypes.o crypto/math/stat.o
+
+ust = crypto/ust/ust.o
+
+rng = crypto/rng/$(RNG_OBJS) crypto/rng/prng.o crypto/rng/ctr_prng.o
+
+err = crypto/kernel/err.o
+
+kernel = crypto/kernel/crypto_kernel.o crypto/kernel/alloc.o \
+ crypto/kernel/key.o $(rng) $(err) # $(ust)
+
+cryptobj = $(ciphers) $(hashes) $(math) $(stat) $(kernel) $(replay)
+
+# libsrtp.a (implements srtp processing)
+
+srtpobj = srtp/srtp.o
+
+libsrtp.a: $(srtpobj) $(cryptobj) $(gdoi)
+ ar cr libsrtp.a $^
+ $(RANLIB) libsrtp.a
+
+# libcryptomath.a contains general-purpose routines that are used to
+# generate tables and verify cryptoalgorithm implementations - this
+# library is not meant to be included in production code
+
+cryptomath = crypto/math/math.o crypto/math/gf2_8.o
+
+libcryptomath.a: $(cryptomath)
+ ar cr libcryptomath.a $(cryptomath)
+ $(RANLIB) libcryptomath.a
+
+
+# test applications
+
+crypto_testapp = crypto/test/aes_calc$(EXE) crypto/test/cipher_driver$(EXE) \
+ crypto/test/datatypes_driver$(EXE) crypto/test/kernel_driver$(EXE) \
+ crypto/test/rand_gen$(EXE) crypto/test/sha1_driver$(EXE) \
+ crypto/test/stat_driver$(EXE)
+
+testapp = $(crypto_testapp) test/srtp_driver$(EXE) test/replay_driver$(EXE) \
+ test/roc_driver$(EXE) test/rdbx_driver$(EXE) test/rtpw$(EXE)
+
+$(testapp): libsrtp.a
+
+test/rtpw$(EXE): test/rtpw.c test/rtp.c
+ $(COMPILE) $(LDFLAGS) -o $@ $^ $(LIBS) $(SRTPLIB)
+
+test: $(testapp)
+ @echo "Build done. Please run '$(MAKE) runtest' to run self tests."
+
+memtest: test/srtp_driver
+ @test/srtp_driver -v -d "alloc" > tmp
+ @grep freed tmp | wc -l > freed
+ @grep allocated tmp | wc -l > allocated
+ @echo "checking for memory leaks (only works with --enable-stdout)"
+ cmp -s allocated freed
+ @echo "passed (same number of alloc() and dealloc() calls found)"
+ @rm freed allocated tmp
+
+# tables_apps are used to generate the tables used in the crypto
+# implementations; these need only be generated during porting, not
+# for building libsrtp or the test applications
+
+table_apps = tables/aes_tables
+
+build_table_apps: $(table_apps)
+
+# in the tables/ subdirectory, we use libcryptomath instead of libsrtp
+
+tables/%: tables/%.c libcryptomath.a
+ $(COMPILE) $(LDFLAGS) $< -o $@ $(LIBS) libcryptomath.a
+
+# the target 'plot' runs the timing test (test/srtp_driver -t) then
+# uses gnuplot to produce plots of the results - see the script file
+# 'timing'
+
+plot: test/srtp_driver
+ test/srtp_driver -t > timing.dat
+
+
+# bookkeeping: tags, clean, and distribution
+
+tags:
+ etags */*.[ch] */*/*.[ch]
+
+
+# documentation - the target libsrtpdoc builds a PDF file documenting
+# libsrtp
+
+libsrtpdoc:
+ $(MAKE) -C doc
+
+.PHONY: clean superclean install
+
+install:
+ @if [ -d $(DESTDIR)$(includedir)/srtp ]; then \
+ echo "you should run 'make uninstall' first"; exit 1; \
+ fi
+ $(INSTALL) -d $(DESTDIR)$(includedir)/srtp
+ $(INSTALL) -d $(DESTDIR)$(libdir)
+ cp include/*.h $(DESTDIR)$(includedir)/srtp
+ cp crypto/include/*.h $(DESTDIR)$(includedir)/srtp
+ if [ -f libsrtp.a ]; then cp libsrtp.a $(DESTDIR)$(libdir)/; fi
+
+uninstall:
+ rm -rf $(DESTDIR)$(includedir)/srtp
+ rm -rf $(DESTDIR)$(libdir)/libsrtp.a
+
+clean:
+ rm -rf $(cryptobj) $(srtpobj) $(cryptomath) $(table_apps) TAGS \
+ libcryptomath.a libsrtp.a core *.core test/core
+ for a in * */* */*/*; do \
+ if [ -f "$$a~" ] ; then rm -f $$a~; fi; \
+ done;
+ for a in $(testapp) $(table_apps); do rm -rf $$a$(EXE); done
+ rm -rf *.pict *.jpg *.dat
+ rm -rf freed allocated tmp
+ $(MAKE) -C doc clean
+ $(MAKE) -C crypto clean
+
+
+superclean: clean
+ rm -rf crypto/include/config.h config.log config.cache config.status \
+ Makefile .gdb_history test/.gdb_history .DS_Store
+ rm -rf autom4te.cache
+
+distname = srtp-$(shell cat VERSION)
+
+distribution: runtest superclean
+ if ! [ -f VERSION ]; then exit 1; fi
+ if [ -f ../$(distname).tgz ]; then \
+ mv ../$(distname).tgz ../$(distname).tgz.bak; \
+ fi
+ cd ..; tar cvzf $(distname).tgz srtp
+
+# EOF
diff --git a/Makefile.in b/Makefile.in
new file mode 100644
index 0000000..de890d1
--- /dev/null
+++ b/Makefile.in
@@ -0,0 +1,234 @@
+# Makefile for secure rtp
+#
+# David A. McGrew
+# Cisco Systems, Inc.
+
+# targets:
+#
+# runtest runs test applications
+# test builds test applications
+# libcrypt.a static library implementing crypto engine
+# libsrtp.a static library implementing srtp
+# clean removes objects, libs, and executables
+# distribution cleans and builds a .tgz
+# tags builds etags file from all .c and .h files
+
+.PHONY: all test build_table_apps
+
+all: test
+
+runtest: build_table_apps test
+ @echo "running libsrtp test applications..."
+ crypto/test/cipher_driver$(EXE) -v >/dev/null
+ crypto/test/kernel_driver$(EXE) -v >/dev/null
+ test/rdbx_driver$(EXE) -v >/dev/null
+ test/srtp_driver$(EXE) -v >/dev/null
+ test/roc_driver$(EXE) -v >/dev/null
+ test/replay_driver$(EXE) -v >/dev/null
+ test/dtls_srtp_driver$(EXE) >/dev/null
+ cd test; $(abspath $(srcdir))/test/rtpw_test.sh >/dev/null
+ @echo "libsrtp test applications passed."
+ $(MAKE) -C crypto runtest
+
+# makefile variables
+
+CC = @CC@
+INCDIR = -Icrypto/include -I$(srcdir)/include -I$(srcdir)/crypto/include
+DEFS = @DEFS@
+CPPFLAGS= @CPPFLAGS@
+CFLAGS = @CFLAGS@
+LIBS = @LIBS@
+LDFLAGS = @LDFLAGS@ -L.
+COMPILE = $(CC) $(DEFS) $(INCDIR) $(CPPFLAGS) $(CFLAGS)
+SRTPLIB = -lsrtp
+
+RANLIB = @RANLIB@
+INSTALL = @INSTALL@
+
+# EXE defines the suffix on executables - it's .exe for Windows, and
+# null on linux, bsd, and OS X and other OSes.
+EXE = @EXE@
+# gdoi is the group domain of interpretation for isakmp, a group key
+# management system which can provide keys for srtp
+gdoi = @GDOI_OBJS@
+# Random source.
+RNG_OBJS = @RNG_OBJS@
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+top_builddir = @top_builddir@
+VPATH = @srcdir@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+includedir = @includedir@
+libdir = @libdir@
+
+
+# implicit rules for object files and test apps
+
+%.o: %.c
+ $(COMPILE) -c $< -o $@
+
+%$(EXE): %.c
+ $(COMPILE) $(LDFLAGS) $< -o $@ $(SRTPLIB) $(LIBS)
+
+
+# libcrypt.a (the crypto engine)
+ciphers = crypto/cipher/cipher.o crypto/cipher/null_cipher.o \
+ crypto/cipher/aes.o crypto/cipher/aes_icm.o \
+ crypto/cipher/aes_cbc.o
+
+hashes = crypto/hash/null_auth.o crypto/hash/sha1.o \
+ crypto/hash/hmac.o crypto/hash/auth.o # crypto/hash/tmmhv2.o
+
+replay = crypto/replay/rdb.o crypto/replay/rdbx.o \
+ crypto/replay/ut_sim.o
+
+math = crypto/math/datatypes.o crypto/math/stat.o
+
+ust = crypto/ust/ust.o
+
+rng = crypto/rng/$(RNG_OBJS) crypto/rng/prng.o crypto/rng/ctr_prng.o
+
+err = crypto/kernel/err.o
+
+kernel = crypto/kernel/crypto_kernel.o crypto/kernel/alloc.o \
+ crypto/kernel/key.o $(rng) $(err) # $(ust)
+
+cryptobj = $(ciphers) $(hashes) $(math) $(stat) $(kernel) $(replay)
+
+# libsrtp.a (implements srtp processing)
+
+srtpobj = srtp/srtp.o srtp/ekt.o
+
+libsrtp.a: $(srtpobj) $(cryptobj) $(gdoi)
+ ar cr libsrtp.a $^
+ $(RANLIB) libsrtp.a
+
+# libcryptomath.a contains general-purpose routines that are used to
+# generate tables and verify cryptoalgorithm implementations - this
+# library is not meant to be included in production code
+
+cryptomath = crypto/math/math.o crypto/math/gf2_8.o
+
+libcryptomath.a: $(cryptomath)
+ ar cr libcryptomath.a $(cryptomath)
+ $(RANLIB) libcryptomath.a
+
+
+# test applications
+
+crypto_testapp = crypto/test/aes_calc$(EXE) crypto/test/cipher_driver$(EXE) \
+ crypto/test/datatypes_driver$(EXE) crypto/test/kernel_driver$(EXE) \
+ crypto/test/rand_gen$(EXE) crypto/test/sha1_driver$(EXE) \
+ crypto/test/stat_driver$(EXE)
+
+testapp = $(crypto_testapp) test/srtp_driver$(EXE) test/replay_driver$(EXE) \
+ test/roc_driver$(EXE) test/rdbx_driver$(EXE) test/rtpw$(EXE) \
+ test/dtls_srtp_driver$(EXE)
+
+$(testapp): libsrtp.a
+
+test/rtpw$(EXE): test/rtpw.c test/rtp.c test/getopt_s.c
+ $(COMPILE) $(LDFLAGS) -o $@ $^ $(LIBS) $(SRTPLIB)
+
+test/srtp_driver$(EXE): test/srtp_driver.c test/getopt_s.c
+ $(COMPILE) $(LDFLAGS) -o $@ $^ $(LIBS) $(SRTPLIB)
+
+test/rdbx_driver$(EXE): test/rdbx_driver.c test/getopt_s.c
+ $(COMPILE) $(LDFLAGS) -o $@ $^ $(LIBS) $(SRTPLIB)
+
+test/dtls_srtp_driver$(EXE): test/dtls_srtp_driver.c test/getopt_s.c
+ $(COMPILE) $(LDFLAGS) -o $@ $^ $(LIBS) $(SRTPLIB)
+
+test: $(testapp)
+ @echo "Build done. Please run '$(MAKE) runtest' to run self tests."
+
+memtest: test/srtp_driver
+ @test/srtp_driver -v -d "alloc" > tmp
+ @grep freed tmp | wc -l > freed
+ @grep allocated tmp | wc -l > allocated
+ @echo "checking for memory leaks (only works with --enable-stdout)"
+ cmp -s allocated freed
+ @echo "passed (same number of alloc() and dealloc() calls found)"
+ @rm freed allocated tmp
+
+# tables_apps are used to generate the tables used in the crypto
+# implementations; these need only be generated during porting, not
+# for building libsrtp or the test applications
+
+table_apps = tables/aes_tables
+
+build_table_apps: $(table_apps)
+
+# in the tables/ subdirectory, we use libcryptomath instead of libsrtp
+
+tables/%: tables/%.c libcryptomath.a
+ $(COMPILE) $(LDFLAGS) $< -o $@ $(LIBS) libcryptomath.a
+
+# the target 'plot' runs the timing test (test/srtp_driver -t) then
+# uses gnuplot to produce plots of the results - see the script file
+# 'timing'
+
+plot: test/srtp_driver
+ test/srtp_driver -t > timing.dat
+
+
+# bookkeeping: tags, clean, and distribution
+
+tags:
+ etags */*.[ch] */*/*.[ch]
+
+
+# documentation - the target libsrtpdoc builds a PDF file documenting
+# libsrtp
+
+libsrtpdoc:
+ $(MAKE) -C doc
+
+.PHONY: clean superclean install
+
+install:
+ @if [ -r $(DESTDIR)$(includedir)/srtp/srtp.h ]; then \
+ echo "you should run 'make uninstall' first"; exit 1; \
+ fi
+ $(INSTALL) -d $(DESTDIR)$(includedir)/srtp
+ $(INSTALL) -d $(DESTDIR)$(libdir)
+ cp $(srcdir)/include/*.h $(DESTDIR)$(includedir)/srtp
+ cp $(srcdir)/crypto/include/*.h $(DESTDIR)$(includedir)/srtp
+ if [ "$(srcdir)" != "." ]; then cp crypto/include/*.h $(DESTDIR)$(includedir)/srtp; fi
+ if [ -f libsrtp.a ]; then cp libsrtp.a $(DESTDIR)$(libdir)/; fi
+
+uninstall:
+ rm -f $(DESTDIR)$(includedir)/srtp/*.h
+ rm -f $(DESTDIR)$(libdir)/libsrtp.a
+ -rmdir $(DESTDIR)$(includedir)/srtp
+
+clean:
+ rm -rf $(cryptobj) $(srtpobj) $(cryptomath) TAGS \
+ libcryptomath.a libsrtp.a core *.core test/core
+ for a in * */* */*/*; do \
+ if [ -f "$$a~" ] ; then rm -f $$a~; fi; \
+ done;
+ for a in $(testapp) $(table_apps); do rm -rf $$a$(EXE); done
+ rm -rf *.pict *.jpg *.dat
+ rm -rf freed allocated tmp
+ $(MAKE) -C doc clean
+ $(MAKE) -C crypto clean
+
+
+superclean: clean
+ rm -rf crypto/include/config.h config.log config.cache config.status \
+ Makefile .gdb_history test/.gdb_history .DS_Store
+ rm -rf autom4te.cache
+
+distname = srtp-$(shell cat VERSION)
+
+distribution: runtest superclean
+ if ! [ -f VERSION ]; then exit 1; fi
+ if [ -f ../$(distname).tgz ]; then \
+ mv ../$(distname).tgz ../$(distname).tgz.bak; \
+ fi
+ cd ..; tar cvzf $(distname).tgz srtp
+
+# EOF
diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..494947d
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,35 @@
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
diff --git a/OWNERS b/OWNERS
new file mode 100644
index 0000000..18e6d5f
--- /dev/null
+++ b/OWNERS
@@ -0,0 +1,5 @@
+astor
+hta
+juberti
+mikaelp
+tschmelcher
diff --git a/README b/README
new file mode 100644
index 0000000..08fafae
--- /dev/null
+++ b/README
@@ -0,0 +1,174 @@
+Secure RTP (SRTP) Reference Implementation
+David A. McGrew
+Cisco Systems, Inc.
+mcgrew@cisco.com
+
+
+This package provides an implementation of the Secure Real-time
+Transport Protocol (SRTP), the Universal Security Transform (UST), and
+a supporting cryptographic kernel. These mechanisms are documented in
+the Internet Drafts in the doc/ subdirectory. The SRTP API is
+documented in include/srtp.h, and the library is in libsrtp.a (after
+compilation). An overview and reference manual is available in
+doc/libsrtp.pdf. The PDF documentation is more up to date than this
+file.
+
+
+Installation:
+
+./configure [ options ] # GNU autoconf script
+make # or gmake if needed; use GNU make
+
+The configure script accepts the following options:
+
+ --help provides a usage summary
+ --disable-debug compile without the runtime debugging system
+ --enable-syslog use syslog for error reporting
+ --disable-stdout use stdout for error reporting
+ --enable-console use /dev/console for error reporting
+ --gdoi use GDOI key management (disabled at present)
+
+By default, debbuging is enabled and stdout is used for debugging.
+You can use the above configure options to have the debugging output
+sent to syslog or the system console. Alternatively, you can define
+ERR_REPORTING_FILE in include/conf.h to be any other file that can be
+opened by libSRTP, and debug messages will be sent to it.
+
+This package has been tested on Mac OS X (powerpc-apple-darwin1.4),
+Cygwin (i686-pc-cygwin), and Sparc (sparc-sun-solaris2.6). Previous
+versions have been tested on Linux and OpenBSD on both x86 and sparc
+platforms.
+
+A quick tour of this package:
+
+Makefile targets: all, clean, ...
+README this file
+CHANGES change log
+VERSION version number of this package
+LICENSE legal details (it's a BSD-like license)
+crypto/ciphers/ ciphers (null, aes_icm, ...)
+crypto/math/ crypto math routines
+crypto/hash/ crypto hashing (hmac, tmmhv2, ...)
+crypto/replay/ replay protection
+doc/ documentation: rfcs, apis, and suchlike
+include/ include files for all code in distribution
+srtp/ secure real-time transport protocol implementation
+tables/ apps for generating tables (useful in porting)
+test/ test drivers
+
+
+Applications
+
+ Several test drivers and a simple and portable srtp application
+ are included in the test/ subdirectory.
+
+ test driver function tested
+ -------------------------------------------------------------
+ kernel_driver crypto kernel (ciphers, auth funcs, rng)
+ srtp_driver srtp in-memory tests (does not use the network)
+ rdbx_driver rdbx (extended replay database)
+ roc_driver extended sequence number functions
+ replay_driver replay database (n.b. not used in libsrtp)
+ cipher_driver ciphers
+ auth_driver hash functions
+
+ The app rtpw is a simple rtp application which reads words from
+ /usr/dict/words and then sends them out one at a time using [s]rtp.
+ Manual srtp keying uses the -k option; automated key management
+ using gdoi will be added later.
+
+usage: rtpw [-d <debug>]* [-k <key> [-a][-e]] [-s | -r] dest_ip dest_port
+or rtpw -l
+
+ Either the -s (sender) or -r (receiver) option must be chosen.
+
+ The values dest_ip, dest_port are the ip address and udp port to
+ which the dictionary will be sent, respectively.
+
+ options:
+
+ -s (s)rtp sender - causes app to send words
+
+ -r (s)rtp receive - causes app to receve words
+
+ -k <key> use srtp master key <key>, where the
+ key is a hexadecimal value (without the
+ leading "0x")
+
+ -e encrypt/decrypt (for data confidentiality)
+ (requires use of -k option as well)
+
+ -a message authentication
+ (requires use of -k option as well)
+
+ -l list debug modules
+
+ -d <debug> turn on debugging for module <debug>
+
+
+In order to get random 30-byte values for use as key/salt pairs , you
+can use the following bash function to format the output of
+/dev/random (where that device is available).
+
+function randhex() {
+ cat /dev/random | od --read-bytes=32 --width=32 -x | awk '{ print $2 $3 $4 $5 $6 $7 $8 $9 $10 $11 $12 $13 $14 $15 $16 }'
+}
+
+
+An example of an SRTP session using two rtpw programs follows:
+
+set k=c1eec3717da76195bb878578790af71c4ee9f859e197a414a78d5abc7451
+
+[sh1]$ test/rtpw -s -k $k -ea 0.0.0.0 9999
+Security services: confidentiality message authentication
+set master key/salt to C1EEC3717DA76195BB878578790AF71C/4EE9F859E197A414A78D5ABC7451
+setting SSRC to 2078917053
+sending word: A
+sending word: a
+sending word: aa
+sending word: aal
+...
+
+[sh2]$ test/rtpw -r -k $k -ea 0.0.0.0 9999
+security services: confidentiality message authentication
+set master key/salt to C1EEC3717DA76195BB878578790AF71C/4EE9F859E197A414A78D5ABC7451
+19 octets received from SSRC 2078917053 word: A
+19 octets received from SSRC 2078917053 word: a
+20 octets received from SSRC 2078917053 word: aa
+21 octets received from SSRC 2078917053 word: aal
+...
+
+Implementation Notes
+
+ * The srtp_protect() function assumes that the buffer holding the
+ rtp packet has enough storage allocated that the authentication
+ tag can be written to the end of that packet. If this assumption
+ is not valid, memory corruption will ensue.
+
+ * Automated tests for the crypto functions are provided through
+ the cipher_type_self_test() and auth_type_self_test() functions.
+ These functions should be used to test each port of this code
+ to a new platform.
+
+ * Replay protection is contained in the crypto engine, and
+ tests for it are provided.
+
+ * This implementation provides calls to initialize, protect, and
+ unprotect RTP packets, and makes as few as possible assumptions
+ about how these functions will be called. For example, the
+ caller is not expected to provide packets in order (though if
+ they're called more than 65k out of sequence, synchronization
+ will be lost).
+
+ * The sequence number in the rtp packet is used as the low 16 bits
+ of the sender's local packet index. Note that RTP will start its
+ sequence number in a random place, and the SRTP layer just jumps
+ forward to that number at its first invocation. An earlier
+ version of this library used initial sequence numbers that are
+ less than 32,768; this trick is no longer required as the
+ rdbx_estimate_index(...) function has been made smarter.
+
+ * The replay window is 128 bits in length, and is hard-coded to this
+ value for now.
+
+
diff --git a/TODO b/TODO
new file mode 100644
index 0000000..18846e8
--- /dev/null
+++ b/TODO
@@ -0,0 +1,66 @@
+TODO List
+
+1.4.1
+
+ - document which fields are in NBO/HBO, and check for consistency.
+
+ - move HAVE_U_LONG_LONG inside of datatypes.c, or some other
+ separate file
+
+ - re-write configure.in to make cross-compilation easier
+
+ - eliminate GENERIC_AESICM by generalizing the code a bit
+
+Older comments
+
+ - add tests for key_limit_t datatype
+
+ - move octet_get_weight() from datatypes.c to math.c (any other
+ funcs?)
+
+Changes and additions planned
+
+ Make cipher and auth dealloc() functions zeroize the key-storage
+ areas before calling free().
+
+ Eliminate key_len from auth_init()
+
+ Doucument internal APIs (cipher, auth, srtp_protect, ...)
+
+
+SRTP options not (yet) included in this libaray:
+
+ - the aes-f8-mode cipher
+ - the Master Key Index
+ - re-keying using the key derivation function (only the initial
+ use of the PRF has been implemented, as it's sufficient
+ for most uses)
+
+
+(OLD) PLANNED CHANGES
+
+ strip out test/lfsr.c
+
+ Write new documentation!!!
+
+ Fix the x86 assembly code in aes.c.
+
+ Eliminate /* DAM */ - there's one in srtp.c
+
+ Change debugging so that it can print more than one line. Or perhaps
+ just change it so that a single check of the debug-enabled flag is
+ needed.
+
+ Improve interface between cipher and rdbx - perhaps generalize rdbx
+ into 'nonce' datatype.
+
+ Make rijndael_icm accept variable sized keys.
+
+ Add rdbx functions that allow different-sized explicit sequence
+ numbers to be used.
+
+ Write uniform byte-buffering code for PRFs, preferably as macros.
+
+ Consider eliminating low-level alloc functions in favor of len()
+ functions, so that there need not be multiple allocations within a
+ particular alloc() function.
diff --git a/VERSION b/VERSION
new file mode 100644
index 0000000..1c99cf0
--- /dev/null
+++ b/VERSION
@@ -0,0 +1 @@
+1.4.4
diff --git a/config.guess b/config.guess
new file mode 100755
index 0000000..7d0185e
--- /dev/null
+++ b/config.guess
@@ -0,0 +1,1447 @@
+#! /bin/sh
+# Attempt to guess a canonical system name.
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+# 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+
+timestamp='2004-09-07'
+
+# This file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Originally written by Per Bothner <per@bothner.com>.
+# Please send patches to <config-patches@gnu.org>. Submit a context
+# diff and a properly formatted ChangeLog entry.
+#
+# This script attempts to guess a canonical system name similar to
+# config.sub. If it succeeds, it prints the system name on stdout, and
+# exits with 0. Otherwise, it exits with 1.
+#
+# The plan is that this can be called by configure scripts if you
+# don't specify an explicit build system type.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION]
+
+Output the configuration name of the system \`$me' is run on.
+
+Operation modes:
+ -h, --help print this help, then exit
+ -t, --time-stamp print date of last modification, then exit
+ -v, --version print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.guess ($timestamp)
+
+Originally written by Per Bothner.
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions. There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+ case $1 in
+ --time-stamp | --time* | -t )
+ echo "$timestamp" ; exit 0 ;;
+ --version | -v )
+ echo "$version" ; exit 0 ;;
+ --help | --h* | -h )
+ echo "$usage"; exit 0 ;;
+ -- ) # Stop option processing
+ shift; break ;;
+ - ) # Use stdin as input.
+ break ;;
+ -* )
+ echo "$me: invalid option $1$help" >&2
+ exit 1 ;;
+ * )
+ break ;;
+ esac
+done
+
+if test $# != 0; then
+ echo "$me: too many arguments$help" >&2
+ exit 1
+fi
+
+trap 'exit 1' 1 2 15
+
+# CC_FOR_BUILD -- compiler used by this script. Note that the use of a
+# compiler to aid in system detection is discouraged as it requires
+# temporary files to be created and, as you can see below, it is a
+# headache to deal with in a portable fashion.
+
+# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still
+# use `HOST_CC' if defined, but it is deprecated.
+
+# Portable tmp directory creation inspired by the Autoconf team.
+
+set_cc_for_build='
+trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ;
+trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ;
+: ${TMPDIR=/tmp} ;
+ { tmp=`(umask 077 && mktemp -d -q "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } ||
+ { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } ||
+ { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } ||
+ { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ;
+dummy=$tmp/dummy ;
+tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ;
+case $CC_FOR_BUILD,$HOST_CC,$CC in
+ ,,) echo "int x;" > $dummy.c ;
+ for c in cc gcc c89 c99 ; do
+ if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then
+ CC_FOR_BUILD="$c"; break ;
+ fi ;
+ done ;
+ if test x"$CC_FOR_BUILD" = x ; then
+ CC_FOR_BUILD=no_compiler_found ;
+ fi
+ ;;
+ ,,*) CC_FOR_BUILD=$CC ;;
+ ,*,*) CC_FOR_BUILD=$HOST_CC ;;
+esac ;'
+
+# This is needed to find uname on a Pyramid OSx when run in the BSD universe.
+# (ghazi@noc.rutgers.edu 1994-08-24)
+if (test -f /.attbin/uname) >/dev/null 2>&1 ; then
+ PATH=$PATH:/.attbin ; export PATH
+fi
+
+UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown
+UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown
+UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown
+UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown
+
+# Note: order is significant - the case branches are not exclusive.
+
+case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
+ *:NetBSD:*:*)
+ # NetBSD (nbsd) targets should (where applicable) match one or
+ # more of the tupples: *-*-netbsdelf*, *-*-netbsdaout*,
+ # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently
+ # switched to ELF, *-*-netbsd* would select the old
+ # object file format. This provides both forward
+ # compatibility and a consistent mechanism for selecting the
+ # object file format.
+ #
+ # Note: NetBSD doesn't particularly care about the vendor
+ # portion of the name. We always set it to "unknown".
+ sysctl="sysctl -n hw.machine_arch"
+ UNAME_MACHINE_ARCH=`(/sbin/$sysctl 2>/dev/null || \
+ /usr/sbin/$sysctl 2>/dev/null || echo unknown)`
+ case "${UNAME_MACHINE_ARCH}" in
+ armeb) machine=armeb-unknown ;;
+ arm*) machine=arm-unknown ;;
+ sh3el) machine=shl-unknown ;;
+ sh3eb) machine=sh-unknown ;;
+ *) machine=${UNAME_MACHINE_ARCH}-unknown ;;
+ esac
+ # The Operating System including object format, if it has switched
+ # to ELF recently, or will in the future.
+ case "${UNAME_MACHINE_ARCH}" in
+ arm*|i386|m68k|ns32k|sh3*|sparc|vax)
+ eval $set_cc_for_build
+ if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \
+ | grep __ELF__ >/dev/null
+ then
+ # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout).
+ # Return netbsd for either. FIX?
+ os=netbsd
+ else
+ os=netbsdelf
+ fi
+ ;;
+ *)
+ os=netbsd
+ ;;
+ esac
+ # The OS release
+ # Debian GNU/NetBSD machines have a different userland, and
+ # thus, need a distinct triplet. However, they do not need
+ # kernel version information, so it can be replaced with a
+ # suitable tag, in the style of linux-gnu.
+ case "${UNAME_VERSION}" in
+ Debian*)
+ release='-gnu'
+ ;;
+ *)
+ release=`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'`
+ ;;
+ esac
+ # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM:
+ # contains redundant information, the shorter form:
+ # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
+ echo "${machine}-${os}${release}"
+ exit 0 ;;
+ amd64:OpenBSD:*:*)
+ echo x86_64-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ amiga:OpenBSD:*:*)
+ echo m68k-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ cats:OpenBSD:*:*)
+ echo arm-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ hp300:OpenBSD:*:*)
+ echo m68k-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ luna88k:OpenBSD:*:*)
+ echo m88k-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ mac68k:OpenBSD:*:*)
+ echo m68k-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ macppc:OpenBSD:*:*)
+ echo powerpc-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ mvme68k:OpenBSD:*:*)
+ echo m68k-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ mvme88k:OpenBSD:*:*)
+ echo m88k-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ mvmeppc:OpenBSD:*:*)
+ echo powerpc-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ sgi:OpenBSD:*:*)
+ echo mips64-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ sun3:OpenBSD:*:*)
+ echo m68k-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ *:OpenBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-openbsd${UNAME_RELEASE}
+ exit 0 ;;
+ *:ekkoBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE}
+ exit 0 ;;
+ macppc:MirBSD:*:*)
+ echo powerppc-unknown-mirbsd${UNAME_RELEASE}
+ exit 0 ;;
+ *:MirBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE}
+ exit 0 ;;
+ alpha:OSF1:*:*)
+ case $UNAME_RELEASE in
+ *4.0)
+ UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'`
+ ;;
+ *5.*)
+ UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'`
+ ;;
+ esac
+ # According to Compaq, /usr/sbin/psrinfo has been available on
+ # OSF/1 and Tru64 systems produced since 1995. I hope that
+ # covers most systems running today. This code pipes the CPU
+ # types through head -n 1, so we only detect the type of CPU 0.
+ ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1`
+ case "$ALPHA_CPU_TYPE" in
+ "EV4 (21064)")
+ UNAME_MACHINE="alpha" ;;
+ "EV4.5 (21064)")
+ UNAME_MACHINE="alpha" ;;
+ "LCA4 (21066/21068)")
+ UNAME_MACHINE="alpha" ;;
+ "EV5 (21164)")
+ UNAME_MACHINE="alphaev5" ;;
+ "EV5.6 (21164A)")
+ UNAME_MACHINE="alphaev56" ;;
+ "EV5.6 (21164PC)")
+ UNAME_MACHINE="alphapca56" ;;
+ "EV5.7 (21164PC)")
+ UNAME_MACHINE="alphapca57" ;;
+ "EV6 (21264)")
+ UNAME_MACHINE="alphaev6" ;;
+ "EV6.7 (21264A)")
+ UNAME_MACHINE="alphaev67" ;;
+ "EV6.8CB (21264C)")
+ UNAME_MACHINE="alphaev68" ;;
+ "EV6.8AL (21264B)")
+ UNAME_MACHINE="alphaev68" ;;
+ "EV6.8CX (21264D)")
+ UNAME_MACHINE="alphaev68" ;;
+ "EV6.9A (21264/EV69A)")
+ UNAME_MACHINE="alphaev69" ;;
+ "EV7 (21364)")
+ UNAME_MACHINE="alphaev7" ;;
+ "EV7.9 (21364A)")
+ UNAME_MACHINE="alphaev79" ;;
+ esac
+ # A Pn.n version is a patched version.
+ # A Vn.n version is a released version.
+ # A Tn.n version is a released field test version.
+ # A Xn.n version is an unreleased experimental baselevel.
+ # 1.2 uses "1.2" for uname -r.
+ echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+ exit 0 ;;
+ Alpha\ *:Windows_NT*:*)
+ # How do we know it's Interix rather than the generic POSIX subsystem?
+ # Should we change UNAME_MACHINE based on the output of uname instead
+ # of the specific Alpha model?
+ echo alpha-pc-interix
+ exit 0 ;;
+ 21064:Windows_NT:50:3)
+ echo alpha-dec-winnt3.5
+ exit 0 ;;
+ Amiga*:UNIX_System_V:4.0:*)
+ echo m68k-unknown-sysv4
+ exit 0;;
+ *:[Aa]miga[Oo][Ss]:*:*)
+ echo ${UNAME_MACHINE}-unknown-amigaos
+ exit 0 ;;
+ *:[Mm]orph[Oo][Ss]:*:*)
+ echo ${UNAME_MACHINE}-unknown-morphos
+ exit 0 ;;
+ *:OS/390:*:*)
+ echo i370-ibm-openedition
+ exit 0 ;;
+ *:OS400:*:*)
+ echo powerpc-ibm-os400
+ exit 0 ;;
+ arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
+ echo arm-acorn-riscix${UNAME_RELEASE}
+ exit 0;;
+ SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
+ echo hppa1.1-hitachi-hiuxmpp
+ exit 0;;
+ Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*)
+ # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE.
+ if test "`(/bin/universe) 2>/dev/null`" = att ; then
+ echo pyramid-pyramid-sysv3
+ else
+ echo pyramid-pyramid-bsd
+ fi
+ exit 0 ;;
+ NILE*:*:*:dcosx)
+ echo pyramid-pyramid-svr4
+ exit 0 ;;
+ DRS?6000:unix:4.0:6*)
+ echo sparc-icl-nx6
+ exit 0 ;;
+ DRS?6000:UNIX_SV:4.2*:7*)
+ case `/usr/bin/uname -p` in
+ sparc) echo sparc-icl-nx7 && exit 0 ;;
+ esac ;;
+ sun4H:SunOS:5.*:*)
+ echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit 0 ;;
+ sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*)
+ echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit 0 ;;
+ i86pc:SunOS:5.*:*)
+ echo i386-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit 0 ;;
+ sun4*:SunOS:6*:*)
+ # According to config.sub, this is the proper way to canonicalize
+ # SunOS6. Hard to guess exactly what SunOS6 will be like, but
+ # it's likely to be more like Solaris than SunOS4.
+ echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit 0 ;;
+ sun4*:SunOS:*:*)
+ case "`/usr/bin/arch -k`" in
+ Series*|S4*)
+ UNAME_RELEASE=`uname -v`
+ ;;
+ esac
+ # Japanese Language versions have a version number like `4.1.3-JL'.
+ echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'`
+ exit 0 ;;
+ sun3*:SunOS:*:*)
+ echo m68k-sun-sunos${UNAME_RELEASE}
+ exit 0 ;;
+ sun*:*:4.2BSD:*)
+ UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null`
+ test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3
+ case "`/bin/arch`" in
+ sun3)
+ echo m68k-sun-sunos${UNAME_RELEASE}
+ ;;
+ sun4)
+ echo sparc-sun-sunos${UNAME_RELEASE}
+ ;;
+ esac
+ exit 0 ;;
+ aushp:SunOS:*:*)
+ echo sparc-auspex-sunos${UNAME_RELEASE}
+ exit 0 ;;
+ # The situation for MiNT is a little confusing. The machine name
+ # can be virtually everything (everything which is not
+ # "atarist" or "atariste" at least should have a processor
+ # > m68000). The system name ranges from "MiNT" over "FreeMiNT"
+ # to the lowercase version "mint" (or "freemint"). Finally
+ # the system name "TOS" denotes a system which is actually not
+ # MiNT. But MiNT is downward compatible to TOS, so this should
+ # be no problem.
+ atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*)
+ echo m68k-atari-mint${UNAME_RELEASE}
+ exit 0 ;;
+ atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*)
+ echo m68k-atari-mint${UNAME_RELEASE}
+ exit 0 ;;
+ *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*)
+ echo m68k-atari-mint${UNAME_RELEASE}
+ exit 0 ;;
+ milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*)
+ echo m68k-milan-mint${UNAME_RELEASE}
+ exit 0 ;;
+ hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*)
+ echo m68k-hades-mint${UNAME_RELEASE}
+ exit 0 ;;
+ *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*)
+ echo m68k-unknown-mint${UNAME_RELEASE}
+ exit 0 ;;
+ m68k:machten:*:*)
+ echo m68k-apple-machten${UNAME_RELEASE}
+ exit 0 ;;
+ powerpc:machten:*:*)
+ echo powerpc-apple-machten${UNAME_RELEASE}
+ exit 0 ;;
+ RISC*:Mach:*:*)
+ echo mips-dec-mach_bsd4.3
+ exit 0 ;;
+ RISC*:ULTRIX:*:*)
+ echo mips-dec-ultrix${UNAME_RELEASE}
+ exit 0 ;;
+ VAX*:ULTRIX*:*:*)
+ echo vax-dec-ultrix${UNAME_RELEASE}
+ exit 0 ;;
+ 2020:CLIX:*:* | 2430:CLIX:*:*)
+ echo clipper-intergraph-clix${UNAME_RELEASE}
+ exit 0 ;;
+ mips:*:*:UMIPS | mips:*:*:RISCos)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+#ifdef __cplusplus
+#include <stdio.h> /* for printf() prototype */
+ int main (int argc, char *argv[]) {
+#else
+ int main (argc, argv) int argc; char *argv[]; {
+#endif
+ #if defined (host_mips) && defined (MIPSEB)
+ #if defined (SYSTYPE_SYSV)
+ printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0);
+ #endif
+ #if defined (SYSTYPE_SVR4)
+ printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0);
+ #endif
+ #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD)
+ printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0);
+ #endif
+ #endif
+ exit (-1);
+ }
+EOF
+ $CC_FOR_BUILD -o $dummy $dummy.c \
+ && $dummy `echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` \
+ && exit 0
+ echo mips-mips-riscos${UNAME_RELEASE}
+ exit 0 ;;
+ Motorola:PowerMAX_OS:*:*)
+ echo powerpc-motorola-powermax
+ exit 0 ;;
+ Motorola:*:4.3:PL8-*)
+ echo powerpc-harris-powermax
+ exit 0 ;;
+ Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*)
+ echo powerpc-harris-powermax
+ exit 0 ;;
+ Night_Hawk:Power_UNIX:*:*)
+ echo powerpc-harris-powerunix
+ exit 0 ;;
+ m88k:CX/UX:7*:*)
+ echo m88k-harris-cxux7
+ exit 0 ;;
+ m88k:*:4*:R4*)
+ echo m88k-motorola-sysv4
+ exit 0 ;;
+ m88k:*:3*:R3*)
+ echo m88k-motorola-sysv3
+ exit 0 ;;
+ AViiON:dgux:*:*)
+ # DG/UX returns AViiON for all architectures
+ UNAME_PROCESSOR=`/usr/bin/uname -p`
+ if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ]
+ then
+ if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \
+ [ ${TARGET_BINARY_INTERFACE}x = x ]
+ then
+ echo m88k-dg-dgux${UNAME_RELEASE}
+ else
+ echo m88k-dg-dguxbcs${UNAME_RELEASE}
+ fi
+ else
+ echo i586-dg-dgux${UNAME_RELEASE}
+ fi
+ exit 0 ;;
+ M88*:DolphinOS:*:*) # DolphinOS (SVR3)
+ echo m88k-dolphin-sysv3
+ exit 0 ;;
+ M88*:*:R3*:*)
+ # Delta 88k system running SVR3
+ echo m88k-motorola-sysv3
+ exit 0 ;;
+ XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3)
+ echo m88k-tektronix-sysv3
+ exit 0 ;;
+ Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD)
+ echo m68k-tektronix-bsd
+ exit 0 ;;
+ *:IRIX*:*:*)
+ echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'`
+ exit 0 ;;
+ ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX.
+ echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id
+ exit 0 ;; # Note that: echo "'`uname -s`'" gives 'AIX '
+ i*86:AIX:*:*)
+ echo i386-ibm-aix
+ exit 0 ;;
+ ia64:AIX:*:*)
+ if [ -x /usr/bin/oslevel ] ; then
+ IBM_REV=`/usr/bin/oslevel`
+ else
+ IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+ fi
+ echo ${UNAME_MACHINE}-ibm-aix${IBM_REV}
+ exit 0 ;;
+ *:AIX:2:3)
+ if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #include <sys/systemcfg.h>
+
+ main()
+ {
+ if (!__power_pc())
+ exit(1);
+ puts("powerpc-ibm-aix3.2.5");
+ exit(0);
+ }
+EOF
+ $CC_FOR_BUILD -o $dummy $dummy.c && $dummy && exit 0
+ echo rs6000-ibm-aix3.2.5
+ elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then
+ echo rs6000-ibm-aix3.2.4
+ else
+ echo rs6000-ibm-aix3.2
+ fi
+ exit 0 ;;
+ *:AIX:*:[45])
+ IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'`
+ if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then
+ IBM_ARCH=rs6000
+ else
+ IBM_ARCH=powerpc
+ fi
+ if [ -x /usr/bin/oslevel ] ; then
+ IBM_REV=`/usr/bin/oslevel`
+ else
+ IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE}
+ fi
+ echo ${IBM_ARCH}-ibm-aix${IBM_REV}
+ exit 0 ;;
+ *:AIX:*:*)
+ echo rs6000-ibm-aix
+ exit 0 ;;
+ ibmrt:4.4BSD:*|romp-ibm:BSD:*)
+ echo romp-ibm-bsd4.4
+ exit 0 ;;
+ ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and
+ echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to
+ exit 0 ;; # report: romp-ibm BSD 4.3
+ *:BOSX:*:*)
+ echo rs6000-bull-bosx
+ exit 0 ;;
+ DPX/2?00:B.O.S.:*:*)
+ echo m68k-bull-sysv3
+ exit 0 ;;
+ 9000/[34]??:4.3bsd:1.*:*)
+ echo m68k-hp-bsd
+ exit 0 ;;
+ hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*)
+ echo m68k-hp-bsd4.4
+ exit 0 ;;
+ 9000/[34678]??:HP-UX:*:*)
+ HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+ case "${UNAME_MACHINE}" in
+ 9000/31? ) HP_ARCH=m68000 ;;
+ 9000/[34]?? ) HP_ARCH=m68k ;;
+ 9000/[678][0-9][0-9])
+ if [ -x /usr/bin/getconf ]; then
+ sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null`
+ sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null`
+ case "${sc_cpu_version}" in
+ 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0
+ 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1
+ 532) # CPU_PA_RISC2_0
+ case "${sc_kernel_bits}" in
+ 32) HP_ARCH="hppa2.0n" ;;
+ 64) HP_ARCH="hppa2.0w" ;;
+ '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20
+ esac ;;
+ esac
+ fi
+ if [ "${HP_ARCH}" = "" ]; then
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+
+ #define _HPUX_SOURCE
+ #include <stdlib.h>
+ #include <unistd.h>
+
+ int main ()
+ {
+ #if defined(_SC_KERNEL_BITS)
+ long bits = sysconf(_SC_KERNEL_BITS);
+ #endif
+ long cpu = sysconf (_SC_CPU_VERSION);
+
+ switch (cpu)
+ {
+ case CPU_PA_RISC1_0: puts ("hppa1.0"); break;
+ case CPU_PA_RISC1_1: puts ("hppa1.1"); break;
+ case CPU_PA_RISC2_0:
+ #if defined(_SC_KERNEL_BITS)
+ switch (bits)
+ {
+ case 64: puts ("hppa2.0w"); break;
+ case 32: puts ("hppa2.0n"); break;
+ default: puts ("hppa2.0"); break;
+ } break;
+ #else /* !defined(_SC_KERNEL_BITS) */
+ puts ("hppa2.0"); break;
+ #endif
+ default: puts ("hppa1.0"); break;
+ }
+ exit (0);
+ }
+EOF
+ (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy`
+ test -z "$HP_ARCH" && HP_ARCH=hppa
+ fi ;;
+ esac
+ if [ ${HP_ARCH} = "hppa2.0w" ]
+ then
+ # avoid double evaluation of $set_cc_for_build
+ test -n "$CC_FOR_BUILD" || eval $set_cc_for_build
+ if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E -) | grep __LP64__ >/dev/null
+ then
+ HP_ARCH="hppa2.0w"
+ else
+ HP_ARCH="hppa64"
+ fi
+ fi
+ echo ${HP_ARCH}-hp-hpux${HPUX_REV}
+ exit 0 ;;
+ ia64:HP-UX:*:*)
+ HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'`
+ echo ia64-hp-hpux${HPUX_REV}
+ exit 0 ;;
+ 3050*:HI-UX:*:*)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #include <unistd.h>
+ int
+ main ()
+ {
+ long cpu = sysconf (_SC_CPU_VERSION);
+ /* The order matters, because CPU_IS_HP_MC68K erroneously returns
+ true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct
+ results, however. */
+ if (CPU_IS_PA_RISC (cpu))
+ {
+ switch (cpu)
+ {
+ case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break;
+ case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break;
+ case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break;
+ default: puts ("hppa-hitachi-hiuxwe2"); break;
+ }
+ }
+ else if (CPU_IS_HP_MC68K (cpu))
+ puts ("m68k-hitachi-hiuxwe2");
+ else puts ("unknown-hitachi-hiuxwe2");
+ exit (0);
+ }
+EOF
+ $CC_FOR_BUILD -o $dummy $dummy.c && $dummy && exit 0
+ echo unknown-hitachi-hiuxwe2
+ exit 0 ;;
+ 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* )
+ echo hppa1.1-hp-bsd
+ exit 0 ;;
+ 9000/8??:4.3bsd:*:*)
+ echo hppa1.0-hp-bsd
+ exit 0 ;;
+ *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*)
+ echo hppa1.0-hp-mpeix
+ exit 0 ;;
+ hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* )
+ echo hppa1.1-hp-osf
+ exit 0 ;;
+ hp8??:OSF1:*:*)
+ echo hppa1.0-hp-osf
+ exit 0 ;;
+ i*86:OSF1:*:*)
+ if [ -x /usr/sbin/sysversion ] ; then
+ echo ${UNAME_MACHINE}-unknown-osf1mk
+ else
+ echo ${UNAME_MACHINE}-unknown-osf1
+ fi
+ exit 0 ;;
+ parisc*:Lites*:*:*)
+ echo hppa1.1-hp-lites
+ exit 0 ;;
+ C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*)
+ echo c1-convex-bsd
+ exit 0 ;;
+ C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*)
+ if getsysinfo -f scalar_acc
+ then echo c32-convex-bsd
+ else echo c2-convex-bsd
+ fi
+ exit 0 ;;
+ C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*)
+ echo c34-convex-bsd
+ exit 0 ;;
+ C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*)
+ echo c38-convex-bsd
+ exit 0 ;;
+ C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*)
+ echo c4-convex-bsd
+ exit 0 ;;
+ CRAY*Y-MP:*:*:*)
+ echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit 0 ;;
+ CRAY*[A-Z]90:*:*:*)
+ echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \
+ | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \
+ -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \
+ -e 's/\.[^.]*$/.X/'
+ exit 0 ;;
+ CRAY*TS:*:*:*)
+ echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit 0 ;;
+ CRAY*T3E:*:*:*)
+ echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit 0 ;;
+ CRAY*SV1:*:*:*)
+ echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit 0 ;;
+ *:UNICOS/mp:*:*)
+ echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/'
+ exit 0 ;;
+ F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*)
+ FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'`
+ FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+ FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'`
+ echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+ exit 0 ;;
+ 5000:UNIX_System_V:4.*:*)
+ FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'`
+ FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'`
+ echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}"
+ exit 0 ;;
+ i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*)
+ echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE}
+ exit 0 ;;
+ sparc*:BSD/OS:*:*)
+ echo sparc-unknown-bsdi${UNAME_RELEASE}
+ exit 0 ;;
+ *:BSD/OS:*:*)
+ echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE}
+ exit 0 ;;
+ *:FreeBSD:*:*)
+ echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+ exit 0 ;;
+ i*:CYGWIN*:*)
+ echo ${UNAME_MACHINE}-pc-cygwin
+ exit 0 ;;
+ i*:MINGW*:*)
+ echo ${UNAME_MACHINE}-pc-mingw32
+ exit 0 ;;
+ i*:PW*:*)
+ echo ${UNAME_MACHINE}-pc-pw32
+ exit 0 ;;
+ x86:Interix*:[34]*)
+ echo i586-pc-interix${UNAME_RELEASE}|sed -e 's/\..*//'
+ exit 0 ;;
+ [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*)
+ echo i${UNAME_MACHINE}-pc-mks
+ exit 0 ;;
+ i*:Windows_NT*:* | Pentium*:Windows_NT*:*)
+ # How do we know it's Interix rather than the generic POSIX subsystem?
+ # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we
+ # UNAME_MACHINE based on the output of uname instead of i386?
+ echo i586-pc-interix
+ exit 0 ;;
+ i*:UWIN*:*)
+ echo ${UNAME_MACHINE}-pc-uwin
+ exit 0 ;;
+ p*:CYGWIN*:*)
+ echo powerpcle-unknown-cygwin
+ exit 0 ;;
+ prep*:SunOS:5.*:*)
+ echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'`
+ exit 0 ;;
+ *:GNU:*:*)
+ # the GNU system
+ echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'`
+ exit 0 ;;
+ *:GNU/*:*:*)
+ # other systems with GNU libc and userland
+ echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-gnu
+ exit 0 ;;
+ i*86:Minix:*:*)
+ echo ${UNAME_MACHINE}-pc-minix
+ exit 0 ;;
+ arm*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit 0 ;;
+ cris:Linux:*:*)
+ echo cris-axis-linux-gnu
+ exit 0 ;;
+ crisv32:Linux:*:*)
+ echo crisv32-axis-linux-gnu
+ exit 0 ;;
+ frv:Linux:*:*)
+ echo frv-unknown-linux-gnu
+ exit 0 ;;
+ ia64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit 0 ;;
+ m32r*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit 0 ;;
+ m68*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit 0 ;;
+ mips:Linux:*:*)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #undef CPU
+ #undef mips
+ #undef mipsel
+ #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+ CPU=mipsel
+ #else
+ #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+ CPU=mips
+ #else
+ CPU=
+ #endif
+ #endif
+EOF
+ eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^CPU=`
+ test x"${CPU}" != x && echo "${CPU}-unknown-linux-gnu" && exit 0
+ ;;
+ mips64:Linux:*:*)
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #undef CPU
+ #undef mips64
+ #undef mips64el
+ #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL)
+ CPU=mips64el
+ #else
+ #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB)
+ CPU=mips64
+ #else
+ CPU=
+ #endif
+ #endif
+EOF
+ eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^CPU=`
+ test x"${CPU}" != x && echo "${CPU}-unknown-linux-gnu" && exit 0
+ ;;
+ ppc:Linux:*:*)
+ echo powerpc-unknown-linux-gnu
+ exit 0 ;;
+ ppc64:Linux:*:*)
+ echo powerpc64-unknown-linux-gnu
+ exit 0 ;;
+ alpha:Linux:*:*)
+ case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in
+ EV5) UNAME_MACHINE=alphaev5 ;;
+ EV56) UNAME_MACHINE=alphaev56 ;;
+ PCA56) UNAME_MACHINE=alphapca56 ;;
+ PCA57) UNAME_MACHINE=alphapca56 ;;
+ EV6) UNAME_MACHINE=alphaev6 ;;
+ EV67) UNAME_MACHINE=alphaev67 ;;
+ EV68*) UNAME_MACHINE=alphaev68 ;;
+ esac
+ objdump --private-headers /bin/sh | grep ld.so.1 >/dev/null
+ if test "$?" = 0 ; then LIBC="libc1" ; else LIBC="" ; fi
+ echo ${UNAME_MACHINE}-unknown-linux-gnu${LIBC}
+ exit 0 ;;
+ parisc:Linux:*:* | hppa:Linux:*:*)
+ # Look for CPU level
+ case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in
+ PA7*) echo hppa1.1-unknown-linux-gnu ;;
+ PA8*) echo hppa2.0-unknown-linux-gnu ;;
+ *) echo hppa-unknown-linux-gnu ;;
+ esac
+ exit 0 ;;
+ parisc64:Linux:*:* | hppa64:Linux:*:*)
+ echo hppa64-unknown-linux-gnu
+ exit 0 ;;
+ s390:Linux:*:* | s390x:Linux:*:*)
+ echo ${UNAME_MACHINE}-ibm-linux
+ exit 0 ;;
+ sh64*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit 0 ;;
+ sh*:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit 0 ;;
+ sparc:Linux:*:* | sparc64:Linux:*:*)
+ echo ${UNAME_MACHINE}-unknown-linux-gnu
+ exit 0 ;;
+ x86_64:Linux:*:*)
+ echo x86_64-unknown-linux-gnu
+ exit 0 ;;
+ i*86:Linux:*:*)
+ # The BFD linker knows what the default object file format is, so
+ # first see if it will tell us. cd to the root directory to prevent
+ # problems with other programs or directories called `ld' in the path.
+ # Set LC_ALL=C to ensure ld outputs messages in English.
+ ld_supported_targets=`cd /; LC_ALL=C ld --help 2>&1 \
+ | sed -ne '/supported targets:/!d
+ s/[ ][ ]*/ /g
+ s/.*supported targets: *//
+ s/ .*//
+ p'`
+ case "$ld_supported_targets" in
+ elf32-i386)
+ TENTATIVE="${UNAME_MACHINE}-pc-linux-gnu"
+ ;;
+ a.out-i386-linux)
+ echo "${UNAME_MACHINE}-pc-linux-gnuaout"
+ exit 0 ;;
+ coff-i386)
+ echo "${UNAME_MACHINE}-pc-linux-gnucoff"
+ exit 0 ;;
+ "")
+ # Either a pre-BFD a.out linker (linux-gnuoldld) or
+ # one that does not give us useful --help.
+ echo "${UNAME_MACHINE}-pc-linux-gnuoldld"
+ exit 0 ;;
+ esac
+ # Determine whether the default compiler is a.out or elf
+ eval $set_cc_for_build
+ sed 's/^ //' << EOF >$dummy.c
+ #include <features.h>
+ #ifdef __ELF__
+ # ifdef __GLIBC__
+ # if __GLIBC__ >= 2
+ LIBC=gnu
+ # else
+ LIBC=gnulibc1
+ # endif
+ # else
+ LIBC=gnulibc1
+ # endif
+ #else
+ #ifdef __INTEL_COMPILER
+ LIBC=gnu
+ #else
+ LIBC=gnuaout
+ #endif
+ #endif
+ #ifdef __dietlibc__
+ LIBC=dietlibc
+ #endif
+EOF
+ eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep ^LIBC=`
+ test x"${LIBC}" != x && echo "${UNAME_MACHINE}-pc-linux-${LIBC}" && exit 0
+ test x"${TENTATIVE}" != x && echo "${TENTATIVE}" && exit 0
+ ;;
+ i*86:DYNIX/ptx:4*:*)
+ # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there.
+ # earlier versions are messed up and put the nodename in both
+ # sysname and nodename.
+ echo i386-sequent-sysv4
+ exit 0 ;;
+ i*86:UNIX_SV:4.2MP:2.*)
+ # Unixware is an offshoot of SVR4, but it has its own version
+ # number series starting with 2...
+ # I am not positive that other SVR4 systems won't match this,
+ # I just have to hope. -- rms.
+ # Use sysv4.2uw... so that sysv4* matches it.
+ echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION}
+ exit 0 ;;
+ i*86:OS/2:*:*)
+ # If we were able to find `uname', then EMX Unix compatibility
+ # is probably installed.
+ echo ${UNAME_MACHINE}-pc-os2-emx
+ exit 0 ;;
+ i*86:XTS-300:*:STOP)
+ echo ${UNAME_MACHINE}-unknown-stop
+ exit 0 ;;
+ i*86:atheos:*:*)
+ echo ${UNAME_MACHINE}-unknown-atheos
+ exit 0 ;;
+ i*86:syllable:*:*)
+ echo ${UNAME_MACHINE}-pc-syllable
+ exit 0 ;;
+ i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.0*:*)
+ echo i386-unknown-lynxos${UNAME_RELEASE}
+ exit 0 ;;
+ i*86:*DOS:*:*)
+ echo ${UNAME_MACHINE}-pc-msdosdjgpp
+ exit 0 ;;
+ i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*)
+ UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'`
+ if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then
+ echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL}
+ else
+ echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL}
+ fi
+ exit 0 ;;
+ i*86:*:5:[78]*)
+ case `/bin/uname -X | grep "^Machine"` in
+ *486*) UNAME_MACHINE=i486 ;;
+ *Pentium) UNAME_MACHINE=i586 ;;
+ *Pent*|*Celeron) UNAME_MACHINE=i686 ;;
+ esac
+ echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION}
+ exit 0 ;;
+ i*86:*:3.2:*)
+ if test -f /usr/options/cb.name; then
+ UNAME_REL=`sed -n 's/.*Version //p' </usr/options/cb.name`
+ echo ${UNAME_MACHINE}-pc-isc$UNAME_REL
+ elif /bin/uname -X 2>/dev/null >/dev/null ; then
+ UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')`
+ (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486
+ (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \
+ && UNAME_MACHINE=i586
+ (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \
+ && UNAME_MACHINE=i686
+ (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \
+ && UNAME_MACHINE=i686
+ echo ${UNAME_MACHINE}-pc-sco$UNAME_REL
+ else
+ echo ${UNAME_MACHINE}-pc-sysv32
+ fi
+ exit 0 ;;
+ pc:*:*:*)
+ # Left here for compatibility:
+ # uname -m prints for DJGPP always 'pc', but it prints nothing about
+ # the processor, so we play safe by assuming i386.
+ echo i386-pc-msdosdjgpp
+ exit 0 ;;
+ Intel:Mach:3*:*)
+ echo i386-pc-mach3
+ exit 0 ;;
+ paragon:*:*:*)
+ echo i860-intel-osf1
+ exit 0 ;;
+ i860:*:4.*:*) # i860-SVR4
+ if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then
+ echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4
+ else # Add other i860-SVR4 vendors below as they are discovered.
+ echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4
+ fi
+ exit 0 ;;
+ mini*:CTIX:SYS*5:*)
+ # "miniframe"
+ echo m68010-convergent-sysv
+ exit 0 ;;
+ mc68k:UNIX:SYSTEM5:3.51m)
+ echo m68k-convergent-sysv
+ exit 0 ;;
+ M680?0:D-NIX:5.3:*)
+ echo m68k-diab-dnix
+ exit 0 ;;
+ M68*:*:R3V[5678]*:*)
+ test -r /sysV68 && echo 'm68k-motorola-sysv' && exit 0 ;;
+ 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0)
+ OS_REL=''
+ test -r /etc/.relid \
+ && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid`
+ /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+ && echo i486-ncr-sysv4.3${OS_REL} && exit 0
+ /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \
+ && echo i586-ncr-sysv4.3${OS_REL} && exit 0 ;;
+ 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*)
+ /bin/uname -p 2>/dev/null | grep 86 >/dev/null \
+ && echo i486-ncr-sysv4 && exit 0 ;;
+ m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*)
+ echo m68k-unknown-lynxos${UNAME_RELEASE}
+ exit 0 ;;
+ mc68030:UNIX_System_V:4.*:*)
+ echo m68k-atari-sysv4
+ exit 0 ;;
+ TSUNAMI:LynxOS:2.*:*)
+ echo sparc-unknown-lynxos${UNAME_RELEASE}
+ exit 0 ;;
+ rs6000:LynxOS:2.*:*)
+ echo rs6000-unknown-lynxos${UNAME_RELEASE}
+ exit 0 ;;
+ PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.0*:*)
+ echo powerpc-unknown-lynxos${UNAME_RELEASE}
+ exit 0 ;;
+ SM[BE]S:UNIX_SV:*:*)
+ echo mips-dde-sysv${UNAME_RELEASE}
+ exit 0 ;;
+ RM*:ReliantUNIX-*:*:*)
+ echo mips-sni-sysv4
+ exit 0 ;;
+ RM*:SINIX-*:*:*)
+ echo mips-sni-sysv4
+ exit 0 ;;
+ *:SINIX-*:*:*)
+ if uname -p 2>/dev/null >/dev/null ; then
+ UNAME_MACHINE=`(uname -p) 2>/dev/null`
+ echo ${UNAME_MACHINE}-sni-sysv4
+ else
+ echo ns32k-sni-sysv
+ fi
+ exit 0 ;;
+ PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort
+ # says <Richard.M.Bartel@ccMail.Census.GOV>
+ echo i586-unisys-sysv4
+ exit 0 ;;
+ *:UNIX_System_V:4*:FTX*)
+ # From Gerald Hewes <hewes@openmarket.com>.
+ # How about differentiating between stratus architectures? -djm
+ echo hppa1.1-stratus-sysv4
+ exit 0 ;;
+ *:*:*:FTX*)
+ # From seanf@swdc.stratus.com.
+ echo i860-stratus-sysv4
+ exit 0 ;;
+ *:VOS:*:*)
+ # From Paul.Green@stratus.com.
+ echo hppa1.1-stratus-vos
+ exit 0 ;;
+ mc68*:A/UX:*:*)
+ echo m68k-apple-aux${UNAME_RELEASE}
+ exit 0 ;;
+ news*:NEWS-OS:6*:*)
+ echo mips-sony-newsos6
+ exit 0 ;;
+ R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*)
+ if [ -d /usr/nec ]; then
+ echo mips-nec-sysv${UNAME_RELEASE}
+ else
+ echo mips-unknown-sysv${UNAME_RELEASE}
+ fi
+ exit 0 ;;
+ BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only.
+ echo powerpc-be-beos
+ exit 0 ;;
+ BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only.
+ echo powerpc-apple-beos
+ exit 0 ;;
+ BePC:BeOS:*:*) # BeOS running on Intel PC compatible.
+ echo i586-pc-beos
+ exit 0 ;;
+ SX-4:SUPER-UX:*:*)
+ echo sx4-nec-superux${UNAME_RELEASE}
+ exit 0 ;;
+ SX-5:SUPER-UX:*:*)
+ echo sx5-nec-superux${UNAME_RELEASE}
+ exit 0 ;;
+ SX-6:SUPER-UX:*:*)
+ echo sx6-nec-superux${UNAME_RELEASE}
+ exit 0 ;;
+ Power*:Rhapsody:*:*)
+ echo powerpc-apple-rhapsody${UNAME_RELEASE}
+ exit 0 ;;
+ *:Rhapsody:*:*)
+ echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE}
+ exit 0 ;;
+ *:Darwin:*:*)
+ UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
+ case $UNAME_PROCESSOR in
+ *86) UNAME_PROCESSOR=i686 ;;
+ unknown) UNAME_PROCESSOR=powerpc ;;
+ esac
+ echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}
+ exit 0 ;;
+ *:procnto*:*:* | *:QNX:[0123456789]*:*)
+ UNAME_PROCESSOR=`uname -p`
+ if test "$UNAME_PROCESSOR" = "x86"; then
+ UNAME_PROCESSOR=i386
+ UNAME_MACHINE=pc
+ fi
+ echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE}
+ exit 0 ;;
+ *:QNX:*:4*)
+ echo i386-pc-qnx
+ exit 0 ;;
+ NSR-?:NONSTOP_KERNEL:*:*)
+ echo nsr-tandem-nsk${UNAME_RELEASE}
+ exit 0 ;;
+ *:NonStop-UX:*:*)
+ echo mips-compaq-nonstopux
+ exit 0 ;;
+ BS2000:POSIX*:*:*)
+ echo bs2000-siemens-sysv
+ exit 0 ;;
+ DS/*:UNIX_System_V:*:*)
+ echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE}
+ exit 0 ;;
+ *:Plan9:*:*)
+ # "uname -m" is not consistent, so use $cputype instead. 386
+ # is converted to i386 for consistency with other x86
+ # operating systems.
+ if test "$cputype" = "386"; then
+ UNAME_MACHINE=i386
+ else
+ UNAME_MACHINE="$cputype"
+ fi
+ echo ${UNAME_MACHINE}-unknown-plan9
+ exit 0 ;;
+ *:TOPS-10:*:*)
+ echo pdp10-unknown-tops10
+ exit 0 ;;
+ *:TENEX:*:*)
+ echo pdp10-unknown-tenex
+ exit 0 ;;
+ KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*)
+ echo pdp10-dec-tops20
+ exit 0 ;;
+ XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*)
+ echo pdp10-xkl-tops20
+ exit 0 ;;
+ *:TOPS-20:*:*)
+ echo pdp10-unknown-tops20
+ exit 0 ;;
+ *:ITS:*:*)
+ echo pdp10-unknown-its
+ exit 0 ;;
+ SEI:*:*:SEIUX)
+ echo mips-sei-seiux${UNAME_RELEASE}
+ exit 0 ;;
+ *:DragonFly:*:*)
+ echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`
+ exit 0 ;;
+ *:*VMS:*:*)
+ UNAME_MACHINE=`(uname -p) 2>/dev/null`
+ case "${UNAME_MACHINE}" in
+ A*) echo alpha-dec-vms && exit 0 ;;
+ I*) echo ia64-dec-vms && exit 0 ;;
+ V*) echo vax-dec-vms && exit 0 ;;
+ esac
+esac
+
+#echo '(No uname command or uname output not recognized.)' 1>&2
+#echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
+
+eval $set_cc_for_build
+cat >$dummy.c <<EOF
+#ifdef _SEQUENT_
+# include <sys/types.h>
+# include <sys/utsname.h>
+#endif
+main ()
+{
+#if defined (sony)
+#if defined (MIPSEB)
+ /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed,
+ I don't know.... */
+ printf ("mips-sony-bsd\n"); exit (0);
+#else
+#include <sys/param.h>
+ printf ("m68k-sony-newsos%s\n",
+#ifdef NEWSOS4
+ "4"
+#else
+ ""
+#endif
+ ); exit (0);
+#endif
+#endif
+
+#if defined (__arm) && defined (__acorn) && defined (__unix)
+ printf ("arm-acorn-riscix"); exit (0);
+#endif
+
+#if defined (hp300) && !defined (hpux)
+ printf ("m68k-hp-bsd\n"); exit (0);
+#endif
+
+#if defined (NeXT)
+#if !defined (__ARCHITECTURE__)
+#define __ARCHITECTURE__ "m68k"
+#endif
+ int version;
+ version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`;
+ if (version < 4)
+ printf ("%s-next-nextstep%d\n", __ARCHITECTURE__, version);
+ else
+ printf ("%s-next-openstep%d\n", __ARCHITECTURE__, version);
+ exit (0);
+#endif
+
+#if defined (MULTIMAX) || defined (n16)
+#if defined (UMAXV)
+ printf ("ns32k-encore-sysv\n"); exit (0);
+#else
+#if defined (CMU)
+ printf ("ns32k-encore-mach\n"); exit (0);
+#else
+ printf ("ns32k-encore-bsd\n"); exit (0);
+#endif
+#endif
+#endif
+
+#if defined (__386BSD__)
+ printf ("i386-pc-bsd\n"); exit (0);
+#endif
+
+#if defined (sequent)
+#if defined (i386)
+ printf ("i386-sequent-dynix\n"); exit (0);
+#endif
+#if defined (ns32000)
+ printf ("ns32k-sequent-dynix\n"); exit (0);
+#endif
+#endif
+
+#if defined (_SEQUENT_)
+ struct utsname un;
+
+ uname(&un);
+
+ if (strncmp(un.version, "V2", 2) == 0) {
+ printf ("i386-sequent-ptx2\n"); exit (0);
+ }
+ if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */
+ printf ("i386-sequent-ptx1\n"); exit (0);
+ }
+ printf ("i386-sequent-ptx\n"); exit (0);
+
+#endif
+
+#if defined (vax)
+# if !defined (ultrix)
+# include <sys/param.h>
+# if defined (BSD)
+# if BSD == 43
+ printf ("vax-dec-bsd4.3\n"); exit (0);
+# else
+# if BSD == 199006
+ printf ("vax-dec-bsd4.3reno\n"); exit (0);
+# else
+ printf ("vax-dec-bsd\n"); exit (0);
+# endif
+# endif
+# else
+ printf ("vax-dec-bsd\n"); exit (0);
+# endif
+# else
+ printf ("vax-dec-ultrix\n"); exit (0);
+# endif
+#endif
+
+#if defined (alliant) && defined (i860)
+ printf ("i860-alliant-bsd\n"); exit (0);
+#endif
+
+ exit (1);
+}
+EOF
+
+$CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null && $dummy && exit 0
+
+# Apollos put the system type in the environment.
+
+test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit 0; }
+
+# Convex versions that predate uname can use getsysinfo(1)
+
+if [ -x /usr/convex/getsysinfo ]
+then
+ case `getsysinfo -f cpu_type` in
+ c1*)
+ echo c1-convex-bsd
+ exit 0 ;;
+ c2*)
+ if getsysinfo -f scalar_acc
+ then echo c32-convex-bsd
+ else echo c2-convex-bsd
+ fi
+ exit 0 ;;
+ c34*)
+ echo c34-convex-bsd
+ exit 0 ;;
+ c38*)
+ echo c38-convex-bsd
+ exit 0 ;;
+ c4*)
+ echo c4-convex-bsd
+ exit 0 ;;
+ esac
+fi
+
+cat >&2 <<EOF
+$0: unable to guess system type
+
+This script, last modified $timestamp, has failed to recognize
+the operating system you are using. It is advised that you
+download the most up to date version of the config scripts from
+
+ ftp://ftp.gnu.org/pub/gnu/config/
+
+If the version you run ($0) is already up to date, please
+send the following data and any information you think might be
+pertinent to <config-patches@gnu.org> in order to provide the needed
+information to handle your system.
+
+config.guess timestamp = $timestamp
+
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null`
+/bin/uname -X = `(/bin/uname -X) 2>/dev/null`
+
+hostinfo = `(hostinfo) 2>/dev/null`
+/bin/universe = `(/bin/universe) 2>/dev/null`
+/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null`
+/bin/arch = `(/bin/arch) 2>/dev/null`
+/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null`
+
+UNAME_MACHINE = ${UNAME_MACHINE}
+UNAME_RELEASE = ${UNAME_RELEASE}
+UNAME_SYSTEM = ${UNAME_SYSTEM}
+UNAME_VERSION = ${UNAME_VERSION}
+EOF
+
+exit 1
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/config.h_win32vc7 b/config.h_win32vc7
new file mode 100644
index 0000000..44e6696
--- /dev/null
+++ b/config.h_win32vc7
@@ -0,0 +1,174 @@
+/* Hacked config.h for Windows XP 32-bit & VC7 */
+
+#ifdef (_MSC_VER >= 1400)
+# define HAVE_RAND_S 1
+#endif
+
+/* Define if building for a CISC machine (e.g. Intel). */
+#define CPU_CISC 1
+
+/* Define if building for a RISC machine (assume slow byte access). */
+#undef CPU_RISC
+
+/* Path to random device */
+#undef DEV_URANDOM
+
+/* Define to compile in dynamic debugging system. */
+#undef ENABLE_DEBUGGING
+
+/* Report errors to this file. */
+#undef ERR_REPORTING_FILE
+
+/* Define to use logging to stdout. */
+#undef ERR_REPORTING_STDOUT
+
+/* Define this to use ISMAcryp code. */
+#undef GENERIC_AESICM
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#undef HAVE_ARPA_INET_H
+
+/* Define to 1 if you have the <byteswap.h> header file. */
+#undef HAVE_BYTESWAP_H
+
+/* Define to 1 if you have the `inet_aton' function. */
+#define HAVE_INET_ATON 1
+
+/* Define to 1 if the system has the type `int16_t'. */
+#undef HAVE_INT16_T
+
+/* Define to 1 if the system has the type `int32_t'. */
+#undef HAVE_INT32_T
+
+/* Define to 1 if the system has the type `int8_t'. */
+#undef HAVE_INT8_T
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#undef HAVE_LIBSOCKET
+
+/* Define to 1 if you have the <machine/types.h> header file. */
+#undef HAVE_MACHINE_TYPES_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#undef HAVE_NETINET_IN_H
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#undef HAVE_SYSLOG_H
+
+/* Define to 1 if you have the <sys/int_types.h> header file. */
+#undef HAVE_SYS_INT_TYPES_H
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#undef HAVE_SYS_UIO_H
+
+/* Define to 1 if the system has the type `uint16_t'. */
+#undef HAVE_UINT16_T
+
+/* Define to 1 if the system has the type `uint32_t'. */
+#undef HAVE_UINT32_T
+
+/* Define to 1 if the system has the type `uint64_t'. */
+#undef HAVE_UINT64_T
+
+/* Define to 1 if the system has the type `uint8_t'. */
+#undef HAVE_UINT8_T
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `usleep' function. */
+#define HAVE_USLEEP 1
+
+/* Define to 1 if you have the <windows.h> header file. */
+#define HAVE_WINDOWS_H 1
+
+/* Define to 1 if you have the <winsock2.h> header file. */
+#define HAVE_WINSOCK2_H 1
+
+/* Define to use X86 inlined assembly code */
+#undef HAVE_X86
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* The size of a `unsigned long', as computed by sizeof. */
+#define SIZEOF_UNSIGNED_LONG 4
+
+/* The size of a `unsigned long long', as computed by sizeof. */
+#define SIZEOF_UNSIGNED_LONG_LONG 8
+
+/* Define to use GDOI. */
+#undef SRTP_GDOI
+
+/* Define to compile for kernel contexts. */
+#undef SRTP_KERNEL
+
+/* Define to compile for Linux kernel context. */
+#undef SRTP_KERNEL_LINUX
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Write errors to this file */
+#undef USE_ERR_REPORTING_FILE
+
+/* Define to use syslog logging. */
+#undef USE_SYSLOG
+
+/* Define to 1 if your processor stores words with the most significant byte
+ first (like Motorola and SPARC, unlike Intel and VAX). */
+#undef WORDS_BIGENDIAN
+
+/* Define to empty if `const' does not conform to ANSI C. */
+//#undef const
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+ calls it, or to nothing if 'inline' is not supported under any name. */
+//#ifndef __cplusplus
+//#undef inline
+//#endif
+#define inline __inline
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+//#undef size_t
diff --git a/config.hw b/config.hw
new file mode 100644
index 0000000..39d4e07
--- /dev/null
+++ b/config.hw
@@ -0,0 +1,196 @@
+/* crypto/include/config.h. Generated by configure. */
+/* config_in.h. Generated from configure.in by autoheader. */
+
+#if (_MSC_VER >= 1400)
+# define HAVE_RAND_S 1
+#endif
+
+/* Define if building for a CISC machine (e.g. Intel). */
+#define CPU_CISC 1
+
+/* Define if building for a RISC machine (assume slow byte access). */
+/* #undef CPU_RISC */
+
+/* Path to random device */
+/* #define DEV_URANDOM "/dev/urandom" */
+
+/* Define to compile in dynamic debugging system. */
+#define ENABLE_DEBUGGING 1
+
+/* Report errors to this file. */
+/* #undef ERR_REPORTING_FILE */
+
+/* Define to use logging to stdout. */
+#define ERR_REPORTING_STDOUT 1
+
+/* Define this to use ISMAcryp code. */
+/* #undef GENERIC_AESICM */
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+/* #undef HAVE_ARPA_INET_H */
+
+/* Define to 1 if you have the <byteswap.h> header file. */
+/* #undef HAVE_BYTESWAP_H */
+
+/* Define to 1 if you have the `inet_aton' function. */
+/* #undef HAVE_INET_ATON */
+
+/* Define to 1 if the system has the type `int16_t'. */
+#define HAVE_INT16_T 1
+
+/* Define to 1 if the system has the type `int32_t'. */
+#define HAVE_INT32_T 1
+
+/* Define to 1 if the system has the type `int8_t'. */
+#define HAVE_INT8_T 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+/* #undef HAVE_INTTYPES_H */
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the <machine/types.h> header file. */
+/* #undef HAVE_MACHINE_TYPES_H */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+/* #undef HAVE_NETINET_IN_H */
+
+/* Define to 1 if you have the `socket' function. */
+/* #undef HAVE_SOCKET */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+/* #undef HAVE_STDINT_H */
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <syslog.h> header file. */
+/* #undef HAVE_SYSLOG_H */
+
+/* Define to 1 if you have the <sys/int_types.h> header file. */
+/* #undef HAVE_SYS_INT_TYPES_H */
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+/* #undef HAVE_SYS_SOCKET_H */
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+/* #undef HAVE_SYS_UIO_H */
+
+/* Define to 1 if the system has the type `uint16_t'. */
+#define HAVE_UINT16_T 1
+
+/* Define to 1 if the system has the type `uint32_t'. */
+#define HAVE_UINT32_T 1
+
+/* Define to 1 if the system has the type `uint64_t'. */
+#define HAVE_UINT64_T 1
+
+/* Define to 1 if the system has the type `uint8_t'. */
+#define HAVE_UINT8_T 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+/* #undef HAVE_UNISTD_H */
+
+/* Define to 1 if you have the `usleep' function. */
+/* #undef HAVE_USLEEP */
+
+/* Define to 1 if you have the <windows.h> header file. */
+#define HAVE_WINDOWS_H 1
+
+/* Define to 1 if you have the <winsock2.h> header file. */
+#define HAVE_WINSOCK2_H 1
+
+/* Define to use X86 inlined assembly code */
+/* #undef HAVE_X86 */
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT ""
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME ""
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING ""
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION ""
+
+/* The size of a `unsigned long', as computed by sizeof. */
+#define SIZEOF_UNSIGNED_LONG 4
+
+/* The size of a `unsigned long long', as computed by sizeof. */
+#define SIZEOF_UNSIGNED_LONG_LONG 8
+
+/* Define to use GDOI. */
+/* #undef SRTP_GDOI */
+
+/* Define to compile for kernel contexts. */
+/* #undef SRTP_KERNEL */
+
+/* Define to compile for Linux kernel context. */
+/* #undef SRTP_KERNEL_LINUX */
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Write errors to this file */
+/* #undef USE_ERR_REPORTING_FILE */
+
+/* Define to use syslog logging. */
+/* #undef USE_SYSLOG */
+
+/* Define to 1 if your processor stores words with the most significant byte
+ first (like Motorola and SPARC, unlike Intel and VAX). */
+/* #undef WORDS_BIGENDIAN */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Define 'inline' to nothing, since the MSVC compiler doesn't support it. */
+#define inline
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+#if (_MSC_VER >= 1400) // VC8+
+#ifndef _CRT_SECURE_NO_DEPRECATE
+#define _CRT_SECURE_NO_DEPRECATE
+#endif
+#ifndef _CRT_NONSTDC_NO_DEPRECATE
+#define _CRT_NONSTDC_NO_DEPRECATE
+#endif
+#endif // VC8+
+
+#ifndef uint32_t
+typedef unsigned __int8 uint8_t;
+typedef unsigned __int16 uint16_t;
+typedef unsigned __int32 uint32_t;
+typedef unsigned __int64 uint64_t;
+typedef __int8 int8_t;
+typedef __int16 int16_t;
+typedef __int32 int32_t;
+typedef __int64 int64_t;
+#endif
+
+#ifdef _MSC_VER
+#pragma warning(disable:4311)
+#endif
diff --git a/config.log b/config.log
new file mode 100644
index 0000000..2e1911a
--- /dev/null
+++ b/config.log
@@ -0,0 +1,1130 @@
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by configure, which was
+generated by GNU Autoconf 2.59. Invocation command line was
+
+ $ ./configure --prefix=/home/astor/localastor/google3/third_party/libsrtp/v1_4_2
+
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = hpgntae-ubiq59.eem.corp.google.com
+uname -m = x86_64
+uname -r = 2.6.18.5-gg47server-xenu-3.1
+uname -s = Linux
+uname -v = #1 SMP Fri May 22 12:54:38 PDT 2009
+
+/usr/bin/uname -p = unknown
+/bin/uname -X = unknown
+
+/bin/arch = unknown
+/usr/bin/arch -k = unknown
+/usr/convex/getsysinfo = unknown
+hostinfo = unknown
+/bin/machine = unknown
+/usr/bin/oslevel = unknown
+/bin/universe = unknown
+
+PATH: /home/astor/bin
+PATH: /home/astor/software/bin
+PATH: /home/astor/software/usr/bin
+PATH: /home/astor/bin
+PATH: /home/astor/software/bin
+PATH: /home/astor/software/usr/bin
+PATH: /usr/local/symlinks
+PATH: /usr/local/scripts
+PATH: /usr/local/sbin
+PATH: /usr/local/bin
+PATH: /usr/sbin
+PATH: /usr/bin
+PATH: /sbin
+PATH: /bin
+PATH: /usr/bin/X11
+PATH: /opt/alice-1.3/bin
+PATH: /home/build/static/projects/borg
+PATH: /opt/alice-1.3/bin
+PATH: /home/build/static/projects/borg
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+configure:1349: checking for ranlib
+configure:1365: found /usr/bin/ranlib
+configure:1376: result: ranlib
+configure:1434: checking for gcc
+configure:1450: found /usr/bin/gcc
+configure:1460: result: gcc
+configure:1704: checking for C compiler version
+configure:1707: gcc --version </dev/null >&5
+gcc (GCC) 4.2.4 (Ubuntu 4.2.4-1ubuntu4)
+Copyright (C) 2007 Free Software Foundation, Inc.
+This is free software; see the source for copying conditions. There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+configure:1710: $? = 0
+configure:1712: gcc -v </dev/null >&5
+Using built-in specs.
+Target: x86_64-linux-gnu
+Configured with: ../src/configure -v --enable-languages=c,c++,fortran,objc,obj-c++,treelang --prefix=/usr --enable-shared --with-system-zlib --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --enable-nls --with-gxx-include-dir=/usr/include/c++/4.2 --program-suffix=-4.2 --enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc --enable-mpfr --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
+Thread model: posix
+gcc version 4.2.4 (Ubuntu 4.2.4-1ubuntu4)
+configure:1715: $? = 0
+configure:1717: gcc -V </dev/null >&5
+gcc: '-V' option must have argument
+configure:1720: $? = 1
+configure:1743: checking for C compiler default output file name
+configure:1746: gcc -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:1749: $? = 0
+configure:1795: result: a.out
+configure:1800: checking whether the C compiler works
+configure:1806: ./a.out
+configure:1809: $? = 0
+configure:1826: result: yes
+configure:1833: checking whether we are cross compiling
+configure:1835: result: no
+configure:1838: checking for suffix of executables
+configure:1840: gcc -o conftest -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:1843: $? = 0
+configure:1868: result:
+configure:1874: checking for suffix of object files
+configure:1895: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:1898: $? = 0
+configure:1920: result: o
+configure:1924: checking whether we are using the GNU C compiler
+configure:1948: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:1954: $? = 0
+configure:1958: test -z
+ || test ! -s conftest.err
+configure:1961: $? = 0
+configure:1964: test -s conftest.o
+configure:1967: $? = 0
+configure:1980: result: yes
+configure:1986: checking whether gcc accepts -g
+configure:2007: gcc -c -g conftest.c >&5
+configure:2013: $? = 0
+configure:2017: test -z
+ || test ! -s conftest.err
+configure:2020: $? = 0
+configure:2023: test -s conftest.o
+configure:2026: $? = 0
+configure:2037: result: yes
+configure:2054: checking for gcc option to accept ANSI C
+configure:2124: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2130: $? = 0
+configure:2134: test -z
+ || test ! -s conftest.err
+configure:2137: $? = 0
+configure:2140: test -s conftest.o
+configure:2143: $? = 0
+configure:2161: result: none needed
+configure:2179: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+conftest.c:2: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'me'
+configure:2185: $? = 1
+configure: failed program was:
+| #ifndef __cplusplus
+| choke me
+| #endif
+configure:2356: checking for a BSD-compatible install
+configure:2411: result: /usr/bin/install -c
+configure:2436: checking whether to build for Linux kernel context
+configure:2450: result: no
+configure:2454: checking for /dev/urandom
+configure:2469: result: yes
+configure:2499: checking which random device to use
+configure:2513: result: /dev/urandom
+configure:2529: checking how to run the C preprocessor
+configure:2564: gcc -E conftest.c
+configure:2570: $? = 0
+configure:2602: gcc -E conftest.c
+conftest.c:10:28: error: ac_nonexistent.h: No such file or directory
+configure:2608: $? = 1
+configure: failed program was:
+| /* confdefs.h. */
+|
+| #define PACKAGE_NAME ""
+| #define PACKAGE_TARNAME ""
+| #define PACKAGE_VERSION ""
+| #define PACKAGE_STRING ""
+| #define PACKAGE_BUGREPORT ""
+| #define DEV_URANDOM "/dev/urandom"
+| /* end confdefs.h. */
+| #include <ac_nonexistent.h>
+configure:2647: result: gcc -E
+configure:2671: gcc -E conftest.c
+configure:2677: $? = 0
+configure:2709: gcc -E conftest.c
+conftest.c:10:28: error: ac_nonexistent.h: No such file or directory
+configure:2715: $? = 1
+configure: failed program was:
+| /* confdefs.h. */
+|
+| #define PACKAGE_NAME ""
+| #define PACKAGE_TARNAME ""
+| #define PACKAGE_VERSION ""
+| #define PACKAGE_STRING ""
+| #define PACKAGE_BUGREPORT ""
+| #define DEV_URANDOM "/dev/urandom"
+| /* end confdefs.h. */
+| #include <ac_nonexistent.h>
+configure:2759: checking for egrep
+configure:2769: result: grep -E
+configure:2774: checking for ANSI C header files
+configure:2799: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2805: $? = 0
+configure:2809: test -z
+ || test ! -s conftest.err
+configure:2812: $? = 0
+configure:2815: test -s conftest.o
+configure:2818: $? = 0
+configure:2907: gcc -o conftest -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+conftest.c: In function 'main':
+conftest.c:27: warning: implicit declaration of function 'exit'
+conftest.c:27: warning: incompatible implicit declaration of built-in function 'exit'
+configure:2910: $? = 0
+configure:2912: ./conftest
+configure:2915: $? = 0
+configure:2930: result: yes
+configure:2954: checking for sys/types.h
+configure:2970: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2976: $? = 0
+configure:2980: test -z
+ || test ! -s conftest.err
+configure:2983: $? = 0
+configure:2986: test -s conftest.o
+configure:2989: $? = 0
+configure:3000: result: yes
+configure:2954: checking for sys/stat.h
+configure:2970: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2976: $? = 0
+configure:2980: test -z
+ || test ! -s conftest.err
+configure:2983: $? = 0
+configure:2986: test -s conftest.o
+configure:2989: $? = 0
+configure:3000: result: yes
+configure:2954: checking for stdlib.h
+configure:2970: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2976: $? = 0
+configure:2980: test -z
+ || test ! -s conftest.err
+configure:2983: $? = 0
+configure:2986: test -s conftest.o
+configure:2989: $? = 0
+configure:3000: result: yes
+configure:2954: checking for string.h
+configure:2970: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2976: $? = 0
+configure:2980: test -z
+ || test ! -s conftest.err
+configure:2983: $? = 0
+configure:2986: test -s conftest.o
+configure:2989: $? = 0
+configure:3000: result: yes
+configure:2954: checking for memory.h
+configure:2970: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2976: $? = 0
+configure:2980: test -z
+ || test ! -s conftest.err
+configure:2983: $? = 0
+configure:2986: test -s conftest.o
+configure:2989: $? = 0
+configure:3000: result: yes
+configure:2954: checking for strings.h
+configure:2970: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2976: $? = 0
+configure:2980: test -z
+ || test ! -s conftest.err
+configure:2983: $? = 0
+configure:2986: test -s conftest.o
+configure:2989: $? = 0
+configure:3000: result: yes
+configure:2954: checking for inttypes.h
+configure:2970: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2976: $? = 0
+configure:2980: test -z
+ || test ! -s conftest.err
+configure:2983: $? = 0
+configure:2986: test -s conftest.o
+configure:2989: $? = 0
+configure:3000: result: yes
+configure:2954: checking for stdint.h
+configure:2970: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2976: $? = 0
+configure:2980: test -z
+ || test ! -s conftest.err
+configure:2983: $? = 0
+configure:2986: test -s conftest.o
+configure:2989: $? = 0
+configure:3000: result: yes
+configure:2954: checking for unistd.h
+configure:2970: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:2976: $? = 0
+configure:2980: test -z
+ || test ! -s conftest.err
+configure:2983: $? = 0
+configure:2986: test -s conftest.o
+configure:2989: $? = 0
+configure:3000: result: yes
+configure:3017: checking for stdlib.h
+configure:3022: result: yes
+configure:3167: checking for unistd.h
+configure:3172: result: yes
+configure:3326: checking byteswap.h usability
+configure:3338: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:3344: $? = 0
+configure:3348: test -z
+ || test ! -s conftest.err
+configure:3351: $? = 0
+configure:3354: test -s conftest.o
+configure:3357: $? = 0
+configure:3367: result: yes
+configure:3371: checking byteswap.h presence
+configure:3381: gcc -E conftest.c
+configure:3387: $? = 0
+configure:3407: result: yes
+configure:3442: checking for byteswap.h
+configure:3449: result: yes
+configure:3467: checking for stdint.h
+configure:3472: result: yes
+configure:3626: checking sys/uio.h usability
+configure:3638: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:3644: $? = 0
+configure:3648: test -z
+ || test ! -s conftest.err
+configure:3651: $? = 0
+configure:3654: test -s conftest.o
+configure:3657: $? = 0
+configure:3667: result: yes
+configure:3671: checking sys/uio.h presence
+configure:3681: gcc -E conftest.c
+configure:3687: $? = 0
+configure:3707: result: yes
+configure:3742: checking for sys/uio.h
+configure:3749: result: yes
+configure:3767: checking for inttypes.h
+configure:3772: result: yes
+configure:3917: checking for sys/types.h
+configure:3922: result: yes
+configure:4076: checking machine/types.h usability
+configure:4088: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+conftest.c:61:27: error: machine/types.h: No such file or directory
+configure:4094: $? = 1
+configure: failed program was:
+| /* confdefs.h. */
+|
+| #define PACKAGE_NAME ""
+| #define PACKAGE_TARNAME ""
+| #define PACKAGE_VERSION ""
+| #define PACKAGE_STRING ""
+| #define PACKAGE_BUGREPORT ""
+| #define DEV_URANDOM "/dev/urandom"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_BYTESWAP_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_SYS_UIO_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_SYS_TYPES_H 1
+| /* end confdefs.h. */
+| #include <stdio.h>
+| #if HAVE_SYS_TYPES_H
+| # include <sys/types.h>
+| #endif
+| #if HAVE_SYS_STAT_H
+| # include <sys/stat.h>
+| #endif
+| #if STDC_HEADERS
+| # include <stdlib.h>
+| # include <stddef.h>
+| #else
+| # if HAVE_STDLIB_H
+| # include <stdlib.h>
+| # endif
+| #endif
+| #if HAVE_STRING_H
+| # if !STDC_HEADERS && HAVE_MEMORY_H
+| # include <memory.h>
+| # endif
+| # include <string.h>
+| #endif
+| #if HAVE_STRINGS_H
+| # include <strings.h>
+| #endif
+| #if HAVE_INTTYPES_H
+| # include <inttypes.h>
+| #else
+| # if HAVE_STDINT_H
+| # include <stdint.h>
+| # endif
+| #endif
+| #if HAVE_UNISTD_H
+| # include <unistd.h>
+| #endif
+| #include <machine/types.h>
+configure:4117: result: no
+configure:4121: checking machine/types.h presence
+configure:4131: gcc -E conftest.c
+conftest.c:27:27: error: machine/types.h: No such file or directory
+configure:4137: $? = 1
+configure: failed program was:
+| /* confdefs.h. */
+|
+| #define PACKAGE_NAME ""
+| #define PACKAGE_TARNAME ""
+| #define PACKAGE_VERSION ""
+| #define PACKAGE_STRING ""
+| #define PACKAGE_BUGREPORT ""
+| #define DEV_URANDOM "/dev/urandom"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_BYTESWAP_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_SYS_UIO_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_SYS_TYPES_H 1
+| /* end confdefs.h. */
+| #include <machine/types.h>
+configure:4157: result: no
+configure:4192: checking for machine/types.h
+configure:4199: result: no
+configure:4226: checking sys/int_types.h usability
+configure:4238: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+conftest.c:61:27: error: sys/int_types.h: No such file or directory
+configure:4244: $? = 1
+configure: failed program was:
+| /* confdefs.h. */
+|
+| #define PACKAGE_NAME ""
+| #define PACKAGE_TARNAME ""
+| #define PACKAGE_VERSION ""
+| #define PACKAGE_STRING ""
+| #define PACKAGE_BUGREPORT ""
+| #define DEV_URANDOM "/dev/urandom"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_BYTESWAP_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_SYS_UIO_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_SYS_TYPES_H 1
+| /* end confdefs.h. */
+| #include <stdio.h>
+| #if HAVE_SYS_TYPES_H
+| # include <sys/types.h>
+| #endif
+| #if HAVE_SYS_STAT_H
+| # include <sys/stat.h>
+| #endif
+| #if STDC_HEADERS
+| # include <stdlib.h>
+| # include <stddef.h>
+| #else
+| # if HAVE_STDLIB_H
+| # include <stdlib.h>
+| # endif
+| #endif
+| #if HAVE_STRING_H
+| # if !STDC_HEADERS && HAVE_MEMORY_H
+| # include <memory.h>
+| # endif
+| # include <string.h>
+| #endif
+| #if HAVE_STRINGS_H
+| # include <strings.h>
+| #endif
+| #if HAVE_INTTYPES_H
+| # include <inttypes.h>
+| #else
+| # if HAVE_STDINT_H
+| # include <stdint.h>
+| # endif
+| #endif
+| #if HAVE_UNISTD_H
+| # include <unistd.h>
+| #endif
+| #include <sys/int_types.h>
+configure:4267: result: no
+configure:4271: checking sys/int_types.h presence
+configure:4281: gcc -E conftest.c
+conftest.c:27:27: error: sys/int_types.h: No such file or directory
+configure:4287: $? = 1
+configure: failed program was:
+| /* confdefs.h. */
+|
+| #define PACKAGE_NAME ""
+| #define PACKAGE_TARNAME ""
+| #define PACKAGE_VERSION ""
+| #define PACKAGE_STRING ""
+| #define PACKAGE_BUGREPORT ""
+| #define DEV_URANDOM "/dev/urandom"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_BYTESWAP_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_SYS_UIO_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_SYS_TYPES_H 1
+| /* end confdefs.h. */
+| #include <sys/int_types.h>
+configure:4307: result: no
+configure:4342: checking for sys/int_types.h
+configure:4349: result: no
+configure:4379: checking sys/socket.h usability
+configure:4391: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:4397: $? = 0
+configure:4401: test -z
+ || test ! -s conftest.err
+configure:4404: $? = 0
+configure:4407: test -s conftest.o
+configure:4410: $? = 0
+configure:4420: result: yes
+configure:4424: checking sys/socket.h presence
+configure:4434: gcc -E conftest.c
+configure:4440: $? = 0
+configure:4460: result: yes
+configure:4495: checking for sys/socket.h
+configure:4502: result: yes
+configure:4379: checking netinet/in.h usability
+configure:4391: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:4397: $? = 0
+configure:4401: test -z
+ || test ! -s conftest.err
+configure:4404: $? = 0
+configure:4407: test -s conftest.o
+configure:4410: $? = 0
+configure:4420: result: yes
+configure:4424: checking netinet/in.h presence
+configure:4434: gcc -E conftest.c
+configure:4440: $? = 0
+configure:4460: result: yes
+configure:4495: checking for netinet/in.h
+configure:4502: result: yes
+configure:4379: checking arpa/inet.h usability
+configure:4391: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:4397: $? = 0
+configure:4401: test -z
+ || test ! -s conftest.err
+configure:4404: $? = 0
+configure:4407: test -s conftest.o
+configure:4410: $? = 0
+configure:4420: result: yes
+configure:4424: checking arpa/inet.h presence
+configure:4434: gcc -E conftest.c
+configure:4440: $? = 0
+configure:4460: result: yes
+configure:4495: checking for arpa/inet.h
+configure:4502: result: yes
+configure:4529: checking windows.h usability
+configure:4541: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+conftest.c:64:21: error: windows.h: No such file or directory
+configure:4547: $? = 1
+configure: failed program was:
+| /* confdefs.h. */
+|
+| #define PACKAGE_NAME ""
+| #define PACKAGE_TARNAME ""
+| #define PACKAGE_VERSION ""
+| #define PACKAGE_STRING ""
+| #define PACKAGE_BUGREPORT ""
+| #define DEV_URANDOM "/dev/urandom"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_BYTESWAP_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_SYS_UIO_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_SOCKET_H 1
+| #define HAVE_NETINET_IN_H 1
+| #define HAVE_ARPA_INET_H 1
+| /* end confdefs.h. */
+| #include <stdio.h>
+| #if HAVE_SYS_TYPES_H
+| # include <sys/types.h>
+| #endif
+| #if HAVE_SYS_STAT_H
+| # include <sys/stat.h>
+| #endif
+| #if STDC_HEADERS
+| # include <stdlib.h>
+| # include <stddef.h>
+| #else
+| # if HAVE_STDLIB_H
+| # include <stdlib.h>
+| # endif
+| #endif
+| #if HAVE_STRING_H
+| # if !STDC_HEADERS && HAVE_MEMORY_H
+| # include <memory.h>
+| # endif
+| # include <string.h>
+| #endif
+| #if HAVE_STRINGS_H
+| # include <strings.h>
+| #endif
+| #if HAVE_INTTYPES_H
+| # include <inttypes.h>
+| #else
+| # if HAVE_STDINT_H
+| # include <stdint.h>
+| # endif
+| #endif
+| #if HAVE_UNISTD_H
+| # include <unistd.h>
+| #endif
+| #include <windows.h>
+configure:4570: result: no
+configure:4574: checking windows.h presence
+configure:4584: gcc -E conftest.c
+conftest.c:30:21: error: windows.h: No such file or directory
+configure:4590: $? = 1
+configure: failed program was:
+| /* confdefs.h. */
+|
+| #define PACKAGE_NAME ""
+| #define PACKAGE_TARNAME ""
+| #define PACKAGE_VERSION ""
+| #define PACKAGE_STRING ""
+| #define PACKAGE_BUGREPORT ""
+| #define DEV_URANDOM "/dev/urandom"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_BYTESWAP_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_SYS_UIO_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_SOCKET_H 1
+| #define HAVE_NETINET_IN_H 1
+| #define HAVE_ARPA_INET_H 1
+| /* end confdefs.h. */
+| #include <windows.h>
+configure:4610: result: no
+configure:4645: checking for windows.h
+configure:4652: result: no
+configure:4829: checking syslog.h usability
+configure:4841: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:4847: $? = 0
+configure:4851: test -z
+ || test ! -s conftest.err
+configure:4854: $? = 0
+configure:4857: test -s conftest.o
+configure:4860: $? = 0
+configure:4870: result: yes
+configure:4874: checking syslog.h presence
+configure:4884: gcc -E conftest.c
+configure:4890: $? = 0
+configure:4910: result: yes
+configure:4945: checking for syslog.h
+configure:4952: result: yes
+configure:4966: checking for int8_t
+configure:4990: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:4996: $? = 0
+configure:5000: test -z
+ || test ! -s conftest.err
+configure:5003: $? = 0
+configure:5006: test -s conftest.o
+configure:5009: $? = 0
+configure:5020: result: yes
+configure:5030: checking for uint8_t
+configure:5054: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:5060: $? = 0
+configure:5064: test -z
+ || test ! -s conftest.err
+configure:5067: $? = 0
+configure:5070: test -s conftest.o
+configure:5073: $? = 0
+configure:5084: result: yes
+configure:5094: checking for int16_t
+configure:5118: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:5124: $? = 0
+configure:5128: test -z
+ || test ! -s conftest.err
+configure:5131: $? = 0
+configure:5134: test -s conftest.o
+configure:5137: $? = 0
+configure:5148: result: yes
+configure:5158: checking for uint16_t
+configure:5182: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:5188: $? = 0
+configure:5192: test -z
+ || test ! -s conftest.err
+configure:5195: $? = 0
+configure:5198: test -s conftest.o
+configure:5201: $? = 0
+configure:5212: result: yes
+configure:5222: checking for int32_t
+configure:5246: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:5252: $? = 0
+configure:5256: test -z
+ || test ! -s conftest.err
+configure:5259: $? = 0
+configure:5262: test -s conftest.o
+configure:5265: $? = 0
+configure:5276: result: yes
+configure:5286: checking for uint32_t
+configure:5310: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:5316: $? = 0
+configure:5320: test -z
+ || test ! -s conftest.err
+configure:5323: $? = 0
+configure:5326: test -s conftest.o
+configure:5329: $? = 0
+configure:5340: result: yes
+configure:5350: checking for uint64_t
+configure:5374: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:5380: $? = 0
+configure:5384: test -z
+ || test ! -s conftest.err
+configure:5387: $? = 0
+configure:5390: test -s conftest.o
+configure:5393: $? = 0
+configure:5404: result: yes
+configure:5415: checking for unsigned long
+configure:5439: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:5445: $? = 0
+configure:5449: test -z
+ || test ! -s conftest.err
+configure:5452: $? = 0
+configure:5455: test -s conftest.o
+configure:5458: $? = 0
+configure:5469: result: yes
+configure:5472: checking size of unsigned long
+configure:5791: gcc -o conftest -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:5794: $? = 0
+configure:5796: ./conftest
+configure:5799: $? = 0
+configure:5822: result: 8
+configure:5829: checking for unsigned long long
+configure:5853: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:5859: $? = 0
+configure:5863: test -z
+ || test ! -s conftest.err
+configure:5866: $? = 0
+configure:5869: test -s conftest.o
+configure:5872: $? = 0
+configure:5883: result: yes
+configure:5886: checking size of unsigned long long
+configure:6205: gcc -o conftest -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:6208: $? = 0
+configure:6210: ./conftest
+configure:6213: $? = 0
+configure:6236: result: 8
+configure:6244: checking for an ANSI C-conforming const
+configure:6311: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+conftest.c: In function 'main':
+conftest.c:67: warning: unused variable 's'
+conftest.c:87: warning: unused variable 'foo'
+conftest.c:54: warning: unused variable 'zero'
+conftest.c:48: warning: unused variable 'x'
+conftest.c:69: warning: 't' is used uninitialized in this function
+conftest.c:84: warning: 'b' is used uninitialized in this function
+configure:6317: $? = 0
+configure:6321: test -z
+ || test ! -s conftest.err
+configure:6324: $? = 0
+configure:6327: test -s conftest.o
+configure:6330: $? = 0
+configure:6341: result: yes
+configure:6351: checking for inline
+configure:6372: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:6378: $? = 0
+configure:6382: test -z
+ || test ! -s conftest.err
+configure:6385: $? = 0
+configure:6388: test -s conftest.o
+configure:6391: $? = 0
+configure:6403: result: inline
+configure:6422: checking for size_t
+configure:6446: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:6452: $? = 0
+configure:6456: test -z
+ || test ! -s conftest.err
+configure:6459: $? = 0
+configure:6462: test -s conftest.o
+configure:6465: $? = 0
+configure:6476: result: yes
+configure:6495: checking for socket
+configure:6552: gcc -o conftest -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:6558: $? = 0
+configure:6562: test -z
+ || test ! -s conftest.err
+configure:6565: $? = 0
+configure:6568: test -s conftest
+configure:6571: $? = 0
+configure:6583: result: yes
+configure:6495: checking for inet_aton
+configure:6552: gcc -o conftest -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:6558: $? = 0
+configure:6562: test -z
+ || test ! -s conftest.err
+configure:6565: $? = 0
+configure:6568: test -s conftest
+configure:6571: $? = 0
+configure:6583: result: yes
+configure:6495: checking for usleep
+configure:6552: gcc -o conftest -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:6558: $? = 0
+configure:6562: test -z
+ || test ! -s conftest.err
+configure:6565: $? = 0
+configure:6568: test -s conftest
+configure:6571: $? = 0
+configure:6583: result: yes
+configure:6729: checking whether byte ordering is bigendian
+configure:6756: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+configure:6762: $? = 0
+configure:6766: test -z
+ || test ! -s conftest.err
+configure:6769: $? = 0
+configure:6772: test -s conftest.o
+configure:6775: $? = 0
+configure:6799: gcc -c -Wall -O4 -fexpensive-optimizations -funroll-loops conftest.c >&5
+conftest.c: In function 'main':
+conftest.c:50: error: 'not' undeclared (first use in this function)
+conftest.c:50: error: (Each undeclared identifier is reported only once
+conftest.c:50: error: for each function it appears in.)
+conftest.c:50: error: expected ';' before 'big'
+configure:6805: $? = 1
+configure: failed program was:
+| /* confdefs.h. */
+|
+| #define PACKAGE_NAME ""
+| #define PACKAGE_TARNAME ""
+| #define PACKAGE_VERSION ""
+| #define PACKAGE_STRING ""
+| #define PACKAGE_BUGREPORT ""
+| #define DEV_URANDOM "/dev/urandom"
+| #define STDC_HEADERS 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_STAT_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_STRING_H 1
+| #define HAVE_MEMORY_H 1
+| #define HAVE_STRINGS_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_STDLIB_H 1
+| #define HAVE_UNISTD_H 1
+| #define HAVE_BYTESWAP_H 1
+| #define HAVE_STDINT_H 1
+| #define HAVE_SYS_UIO_H 1
+| #define HAVE_INTTYPES_H 1
+| #define HAVE_SYS_TYPES_H 1
+| #define HAVE_SYS_SOCKET_H 1
+| #define HAVE_NETINET_IN_H 1
+| #define HAVE_ARPA_INET_H 1
+| #define HAVE_SYSLOG_H 1
+| #define HAVE_INT8_T 1
+| #define HAVE_UINT8_T 1
+| #define HAVE_INT16_T 1
+| #define HAVE_UINT16_T 1
+| #define HAVE_INT32_T 1
+| #define HAVE_UINT32_T 1
+| #define HAVE_UINT64_T 1
+| #define SIZEOF_UNSIGNED_LONG 8
+| #define SIZEOF_UNSIGNED_LONG_LONG 8
+| #define HAVE_SOCKET 1
+| #define HAVE_INET_ATON 1
+| #define HAVE_USLEEP 1
+| /* end confdefs.h. */
+| #include <sys/types.h>
+| #include <sys/param.h>
+|
+| int
+| main ()
+| {
+| #if BYTE_ORDER != BIG_ENDIAN
+| not big endian
+| #endif
+|
+| ;
+| return 0;
+| }
+configure:6940: result: no
+configure:6966: checking build system type
+configure:6984: result: x86_64-unknown-linux-gnu
+configure:6992: checking host system type
+configure:7006: result: x86_64-unknown-linux-gnu
+configure:7052: checking whether to compile in debugging
+configure:7068: result: yes
+configure:7071: checking whether to use ISMAcryp code
+configure:7087: result: no
+configure:7090: checking whether to use syslog for error reporting
+configure:7106: result: no
+configure:7109: checking whether to use stdout for error reporting
+configure:7125: result: yes
+configure:7128: checking whether to use /dev/console for error reporting
+configure:7149: result: no
+configure:7152: checking whether to use GDOI key management
+configure:7170: result: no
+configure:7272: creating ./config.status
+
+## ---------------------- ##
+## Running config.status. ##
+## ---------------------- ##
+
+This file was extended by config.status, which was
+generated by GNU Autoconf 2.59. Invocation command line was
+
+ CONFIG_FILES =
+ CONFIG_HEADERS =
+ CONFIG_LINKS =
+ CONFIG_COMMANDS =
+ $ ./config.status
+
+on hpgntae-ubiq59.eem.corp.google.com
+
+config.status:664: creating Makefile
+config.status:664: creating crypto/Makefile
+config.status:664: creating doc/Makefile
+config.status:768: creating crypto/include/config.h
+
+## ---------------- ##
+## Cache variables. ##
+## ---------------- ##
+
+ac_cv_build=x86_64-unknown-linux-gnu
+ac_cv_build_alias=x86_64-unknown-linux-gnu
+ac_cv_c_bigendian=no
+ac_cv_c_compiler_gnu=yes
+ac_cv_c_const=yes
+ac_cv_c_inline=inline
+ac_cv_env_CC_set=
+ac_cv_env_CC_value=
+ac_cv_env_CFLAGS_set=
+ac_cv_env_CFLAGS_value=
+ac_cv_env_CPPFLAGS_set=
+ac_cv_env_CPPFLAGS_value=
+ac_cv_env_CPP_set=
+ac_cv_env_CPP_value=
+ac_cv_env_LDFLAGS_set=
+ac_cv_env_LDFLAGS_value=
+ac_cv_env_build_alias_set=
+ac_cv_env_build_alias_value=
+ac_cv_env_host_alias_set=
+ac_cv_env_host_alias_value=
+ac_cv_env_target_alias_set=
+ac_cv_env_target_alias_value=
+ac_cv_exeext=
+ac_cv_file__dev_urandom=yes
+ac_cv_func_inet_aton=yes
+ac_cv_func_socket=yes
+ac_cv_func_usleep=yes
+ac_cv_header_arpa_inet_h=yes
+ac_cv_header_byteswap_h=yes
+ac_cv_header_inttypes_h=yes
+ac_cv_header_machine_types_h=no
+ac_cv_header_memory_h=yes
+ac_cv_header_netinet_in_h=yes
+ac_cv_header_stdc=yes
+ac_cv_header_stdint_h=yes
+ac_cv_header_stdlib_h=yes
+ac_cv_header_string_h=yes
+ac_cv_header_strings_h=yes
+ac_cv_header_sys_int_types_h=no
+ac_cv_header_sys_socket_h=yes
+ac_cv_header_sys_stat_h=yes
+ac_cv_header_sys_types_h=yes
+ac_cv_header_sys_uio_h=yes
+ac_cv_header_syslog_h=yes
+ac_cv_header_unistd_h=yes
+ac_cv_header_windows_h=no
+ac_cv_host=x86_64-unknown-linux-gnu
+ac_cv_host_alias=x86_64-unknown-linux-gnu
+ac_cv_objext=o
+ac_cv_path_install='/usr/bin/install -c'
+ac_cv_prog_CPP='gcc -E'
+ac_cv_prog_ac_ct_CC=gcc
+ac_cv_prog_ac_ct_RANLIB=ranlib
+ac_cv_prog_cc_g=yes
+ac_cv_prog_cc_stdc=
+ac_cv_prog_egrep='grep -E'
+ac_cv_sizeof_unsigned_long=8
+ac_cv_sizeof_unsigned_long_long=8
+ac_cv_type_int16_t=yes
+ac_cv_type_int32_t=yes
+ac_cv_type_int8_t=yes
+ac_cv_type_size_t=yes
+ac_cv_type_uint16_t=yes
+ac_cv_type_uint32_t=yes
+ac_cv_type_uint64_t=yes
+ac_cv_type_uint8_t=yes
+ac_cv_type_unsigned_long=yes
+ac_cv_type_unsigned_long_long=yes
+
+## ----------------- ##
+## Output variables. ##
+## ----------------- ##
+
+CC='gcc'
+CFLAGS='-Wall -O4 -fexpensive-optimizations -funroll-loops'
+CPP='gcc -E'
+CPPFLAGS=''
+DEFS='-DHAVE_CONFIG_H'
+ECHO_C=''
+ECHO_N='-n'
+ECHO_T=''
+EGREP='grep -E'
+EXE=''
+EXEEXT=''
+GDOI_OBJS=''
+INSTALL_DATA='${INSTALL} -m 644'
+INSTALL_PROGRAM='${INSTALL}'
+INSTALL_SCRIPT='${INSTALL}'
+LDFLAGS=''
+LIBOBJS=''
+LIBS=''
+LTLIBOBJS=''
+OBJEXT='o'
+PACKAGE_BUGREPORT=''
+PACKAGE_NAME=''
+PACKAGE_STRING=''
+PACKAGE_TARNAME=''
+PACKAGE_VERSION=''
+PATH_SEPARATOR=':'
+RANLIB='ranlib'
+RNG_OBJS='rand_source.o'
+SHELL='/bin/sh'
+ac_ct_CC='gcc'
+ac_ct_RANLIB='ranlib'
+bindir='${exec_prefix}/bin'
+build='x86_64-unknown-linux-gnu'
+build_alias=''
+build_cpu='x86_64'
+build_os='linux-gnu'
+build_vendor='unknown'
+datadir='${prefix}/share'
+exec_prefix='${prefix}'
+host='x86_64-unknown-linux-gnu'
+host_alias=''
+host_cpu='x86_64'
+host_os='linux-gnu'
+host_vendor='unknown'
+includedir='${prefix}/include'
+infodir='${prefix}/info'
+libdir='${exec_prefix}/lib'
+libexecdir='${exec_prefix}/libexec'
+localstatedir='${prefix}/var'
+mandir='${prefix}/man'
+oldincludedir='/usr/include'
+prefix='/home/astor/localastor/google3/third_party/libsrtp/v1_4_2'
+program_transform_name='s,x,x,'
+sbindir='${exec_prefix}/sbin'
+sharedstatedir='${prefix}/com'
+sysconfdir='${prefix}/etc'
+target_alias=''
+
+## ----------- ##
+## confdefs.h. ##
+## ----------- ##
+
+#define CPU_CISC 1
+#define DEV_URANDOM "/dev/urandom"
+#define ENABLE_DEBUGGING 1
+#define ERR_REPORTING_STDOUT 1
+#define HAVE_ARPA_INET_H 1
+#define HAVE_BYTESWAP_H 1
+#define HAVE_INET_ATON 1
+#define HAVE_INT16_T 1
+#define HAVE_INT32_T 1
+#define HAVE_INT8_T 1
+#define HAVE_INTTYPES_H 1
+#define HAVE_INTTYPES_H 1
+#define HAVE_MEMORY_H 1
+#define HAVE_NETINET_IN_H 1
+#define HAVE_SOCKET 1
+#define HAVE_STDINT_H 1
+#define HAVE_STDINT_H 1
+#define HAVE_STDLIB_H 1
+#define HAVE_STDLIB_H 1
+#define HAVE_STRINGS_H 1
+#define HAVE_STRING_H 1
+#define HAVE_SYSLOG_H 1
+#define HAVE_SYS_SOCKET_H 1
+#define HAVE_SYS_STAT_H 1
+#define HAVE_SYS_TYPES_H 1
+#define HAVE_SYS_TYPES_H 1
+#define HAVE_SYS_UIO_H 1
+#define HAVE_UINT16_T 1
+#define HAVE_UINT32_T 1
+#define HAVE_UINT64_T 1
+#define HAVE_UINT8_T 1
+#define HAVE_UNISTD_H 1
+#define HAVE_UNISTD_H 1
+#define HAVE_USLEEP 1
+#define PACKAGE_BUGREPORT ""
+#define PACKAGE_NAME ""
+#define PACKAGE_STRING ""
+#define PACKAGE_TARNAME ""
+#define PACKAGE_VERSION ""
+#define SIZEOF_UNSIGNED_LONG 8
+#define SIZEOF_UNSIGNED_LONG_LONG 8
+#define STDC_HEADERS 1
+
+configure: exit 0
diff --git a/config.status b/config.status
new file mode 100755
index 0000000..7797f0b
--- /dev/null
+++ b/config.status
@@ -0,0 +1,991 @@
+#! /bin/sh
+# Generated by configure.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+SHELL=${CONFIG_SHELL-/bin/sh}
+## --------------------- ##
+## M4sh Initialization. ##
+## --------------------- ##
+
+# Be Bourne compatible
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
+ set -o posix
+fi
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+ as_unset=unset
+else
+ as_unset=false
+fi
+
+
+# Work around bugs in pre-3.0 UWIN ksh.
+$as_unset ENV MAIL MAILPATH
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+for as_var in \
+ LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
+ LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
+ LC_TELEPHONE LC_TIME
+do
+ if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
+ eval $as_var=C; export $as_var
+ else
+ $as_unset $as_var
+ fi
+done
+
+# Required to use basename.
+if expr a : '\(a\)' >/dev/null 2>&1; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then
+ as_basename=basename
+else
+ as_basename=false
+fi
+
+
+# Name of the executable.
+as_me=`$as_basename "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+ X"$0" : 'X\(//\)$' \| \
+ X"$0" : 'X\(/\)$' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X/"$0" |
+ sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
+ /^X\/\(\/\/\)$/{ s//\1/; q; }
+ /^X\/\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+
+
+# PATH needs CR, and LINENO needs CR and PATH.
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ echo "#! /bin/sh" >conf$$.sh
+ echo "exit 0" >>conf$$.sh
+ chmod +x conf$$.sh
+ if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+ PATH_SEPARATOR=';'
+ else
+ PATH_SEPARATOR=:
+ fi
+ rm -f conf$$.sh
+fi
+
+
+ as_lineno_1=$LINENO
+ as_lineno_2=$LINENO
+ as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+ test "x$as_lineno_1" != "x$as_lineno_2" &&
+ test "x$as_lineno_3" = "x$as_lineno_2" || {
+ # Find who we are. Look in the path if we contain no path at all
+ # relative or not.
+ case $0 in
+ *[\\/]* ) as_myself=$0 ;;
+ *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+
+ ;;
+ esac
+ # We did not find ourselves, most probably we were run as `sh COMMAND'
+ # in which case we are not to be found in the path.
+ if test "x$as_myself" = x; then
+ as_myself=$0
+ fi
+ if test ! -f "$as_myself"; then
+ { { echo "$as_me:$LINENO: error: cannot find myself; rerun with an absolute path" >&5
+echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+ case $CONFIG_SHELL in
+ '')
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for as_base in sh bash ksh sh5; do
+ case $as_dir in
+ /*)
+ if ("$as_dir/$as_base" -c '
+ as_lineno_1=$LINENO
+ as_lineno_2=$LINENO
+ as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+ test "x$as_lineno_1" != "x$as_lineno_2" &&
+ test "x$as_lineno_3" = "x$as_lineno_2" ') 2>/dev/null; then
+ $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; }
+ $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; }
+ CONFIG_SHELL=$as_dir/$as_base
+ export CONFIG_SHELL
+ exec "$CONFIG_SHELL" "$0" ${1+"$@"}
+ fi;;
+ esac
+ done
+done
+;;
+ esac
+
+ # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+ # uniformly replaced by the line number. The first 'sed' inserts a
+ # line-number line before each line; the second 'sed' does the real
+ # work. The second script uses 'N' to pair each line-number line
+ # with the numbered line, and appends trailing '-' during
+ # substitution so that $LINENO is not a special case at line end.
+ # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+ # second 'sed' script. Blame Lee E. McMahon for sed's syntax. :-)
+ sed '=' <$as_myself |
+ sed '
+ N
+ s,$,-,
+ : loop
+ s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
+ t loop
+ s,-$,,
+ s,^['$as_cr_digits']*\n,,
+ ' >$as_me.lineno &&
+ chmod +x $as_me.lineno ||
+ { { echo "$as_me:$LINENO: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&5
+echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2;}
+ { (exit 1); exit 1; }; }
+
+ # Don't try to exec as it changes $[0], causing all sort of problems
+ # (the dirname of $[0] is not the place where we might find the
+ # original and so on. Autoconf is especially sensible to this).
+ . ./$as_me.lineno
+ # Exit status is that of the last command.
+ exit
+}
+
+
+case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
+ *c*,-n*) ECHO_N= ECHO_C='
+' ECHO_T=' ' ;;
+ *c*,* ) ECHO_N=-n ECHO_C= ECHO_T= ;;
+ *) ECHO_N= ECHO_C='\c' ECHO_T= ;;
+esac
+
+if expr a : '\(a\)' >/dev/null 2>&1; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+ # We could just check for DJGPP; but this test a) works b) is more generic
+ # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
+ if test -f conf$$.exe; then
+ # Don't use ln at all; we don't have any links
+ as_ln_s='cp -p'
+ else
+ as_ln_s='ln -s'
+ fi
+elif ln conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s=ln
+else
+ as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.file
+
+if mkdir -p . 2>/dev/null; then
+ as_mkdir_p=:
+else
+ test -d ./-p && rmdir ./-p
+ as_mkdir_p=false
+fi
+
+as_executable_p="test -f"
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.
+as_nl='
+'
+IFS=" $as_nl"
+
+# CDPATH.
+$as_unset CDPATH
+
+exec 6>&1
+
+# Open the log real soon, to keep \$[0] and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling. Logging --version etc. is OK.
+exec 5>>config.log
+{
+ echo
+ sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+} >&5
+cat >&5 <<_CSEOF
+
+This file was extended by $as_me, which was
+generated by GNU Autoconf 2.59. Invocation command line was
+
+ CONFIG_FILES = $CONFIG_FILES
+ CONFIG_HEADERS = $CONFIG_HEADERS
+ CONFIG_LINKS = $CONFIG_LINKS
+ CONFIG_COMMANDS = $CONFIG_COMMANDS
+ $ $0 $@
+
+_CSEOF
+echo "on `(hostname || uname -n) 2>/dev/null | sed 1q`" >&5
+echo >&5
+config_files=" Makefile crypto/Makefile doc/Makefile"
+config_headers=" crypto/include/config.h:config_in.h"
+
+ac_cs_usage="\
+\`$as_me' instantiates files from templates according to the
+current configuration.
+
+Usage: $0 [OPTIONS] [FILE]...
+
+ -h, --help print this help, then exit
+ -V, --version print version number, then exit
+ -q, --quiet do not print progress messages
+ -d, --debug don't remove temporary files
+ --recheck update $as_me by reconfiguring in the same conditions
+ --file=FILE[:TEMPLATE]
+ instantiate the configuration file FILE
+ --header=FILE[:TEMPLATE]
+ instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Report bugs to <bug-autoconf@gnu.org>."
+ac_cs_version="\
+config.status
+configured by ./configure, generated by GNU Autoconf 2.59,
+ with options \"'--prefix=/home/astor/localastor/google3/third_party/libsrtp/v1_4_2'\"
+
+Copyright (C) 2003 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+srcdir=.
+INSTALL="/usr/bin/install -c"
+# If no file are specified by the user, then we need to provide default
+# value. By we need to know if files were specified by the user.
+ac_need_defaults=:
+while test $# != 0
+do
+ case $1 in
+ --*=*)
+ ac_option=`expr "x$1" : 'x\([^=]*\)='`
+ ac_optarg=`expr "x$1" : 'x[^=]*=\(.*\)'`
+ ac_shift=:
+ ;;
+ -*)
+ ac_option=$1
+ ac_optarg=$2
+ ac_shift=shift
+ ;;
+ *) # This is not an option, so the user has probably given explicit
+ # arguments.
+ ac_option=$1
+ ac_need_defaults=false;;
+ esac
+
+ case $ac_option in
+ # Handling of the options.
+ -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+ ac_cs_recheck=: ;;
+ --version | --vers* | -V )
+ echo "$ac_cs_version"; exit 0 ;;
+ --he | --h)
+ # Conflict between --help and --header
+ { { echo "$as_me:$LINENO: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&5
+echo "$as_me: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&2;}
+ { (exit 1); exit 1; }; };;
+ --help | --hel | -h )
+ echo "$ac_cs_usage"; exit 0 ;;
+ --debug | --d* | -d )
+ debug=: ;;
+ --file | --fil | --fi | --f )
+ $ac_shift
+ CONFIG_FILES="$CONFIG_FILES $ac_optarg"
+ ac_need_defaults=false;;
+ --header | --heade | --head | --hea )
+ $ac_shift
+ CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
+ ac_need_defaults=false;;
+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+ | -silent | --silent | --silen | --sile | --sil | --si | --s)
+ ac_cs_silent=: ;;
+
+ # This is an error.
+ -*) { { echo "$as_me:$LINENO: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&5
+echo "$as_me: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&2;}
+ { (exit 1); exit 1; }; } ;;
+
+ *) ac_config_targets="$ac_config_targets $1" ;;
+
+ esac
+ shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+ exec 6>/dev/null
+ ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+if $ac_cs_recheck; then
+ echo "running /bin/sh ./configure " '--prefix=/home/astor/localastor/google3/third_party/libsrtp/v1_4_2' $ac_configure_extra_args " --no-create --no-recursion" >&6
+ exec /bin/sh ./configure '--prefix=/home/astor/localastor/google3/third_party/libsrtp/v1_4_2' $ac_configure_extra_args --no-create --no-recursion
+fi
+
+for ac_config_target in $ac_config_targets
+do
+ case "$ac_config_target" in
+ # Handling of arguments.
+ "Makefile" ) CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+ "crypto/Makefile" ) CONFIG_FILES="$CONFIG_FILES crypto/Makefile" ;;
+ "doc/Makefile" ) CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
+ "crypto/include/config.h" ) CONFIG_HEADERS="$CONFIG_HEADERS crypto/include/config.h:config_in.h" ;;
+ *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
+echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
+ { (exit 1); exit 1; }; };;
+ esac
+done
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used. Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+ test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+ test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+fi
+
+# Have a temporary directory for convenience. Make it in the build tree
+# simply because there is no reason to put it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Create a temporary directory, and hook for its removal unless debugging.
+$debug ||
+{
+ trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0
+ trap '{ (exit 1); exit 1; }' 1 2 13 15
+}
+
+# Create a (secure) tmp directory for tmp files.
+
+{
+ tmp=`(umask 077 && mktemp -d -q "./confstatXXXXXX") 2>/dev/null` &&
+ test -n "$tmp" && test -d "$tmp"
+} ||
+{
+ tmp=./confstat$$-$RANDOM
+ (umask 077 && mkdir $tmp)
+} ||
+{
+ echo "$me: cannot create a temporary directory in ." >&2
+ { (exit 1); exit 1; }
+}
+
+
+#
+# CONFIG_FILES section.
+#
+
+# No need to generate the scripts if there are no CONFIG_FILES.
+# This happens for instance when ./config.status config.h
+if test -n "$CONFIG_FILES"; then
+ # Protect against being on the right side of a sed subst in config.status.
+ sed 's/,@/@@/; s/@,/@@/; s/,;t t$/@;t t/; /@;t t$/s/[\\&,]/\\&/g;
+ s/@@/,@/; s/@@/@,/; s/@;t t$/,;t t/' >$tmp/subs.sed <<\CEOF
+s,@SHELL@,/bin/sh,;t t
+s,@PATH_SEPARATOR@,:,;t t
+s,@PACKAGE_NAME@,,;t t
+s,@PACKAGE_TARNAME@,,;t t
+s,@PACKAGE_VERSION@,,;t t
+s,@PACKAGE_STRING@,,;t t
+s,@PACKAGE_BUGREPORT@,,;t t
+s,@exec_prefix@,${prefix},;t t
+s,@prefix@,/home/astor/localastor/google3/third_party/libsrtp/v1_4_2,;t t
+s,@program_transform_name@,s,x,x,,;t t
+s,@bindir@,${exec_prefix}/bin,;t t
+s,@sbindir@,${exec_prefix}/sbin,;t t
+s,@libexecdir@,${exec_prefix}/libexec,;t t
+s,@datadir@,${prefix}/share,;t t
+s,@sysconfdir@,${prefix}/etc,;t t
+s,@sharedstatedir@,${prefix}/com,;t t
+s,@localstatedir@,${prefix}/var,;t t
+s,@libdir@,${exec_prefix}/lib,;t t
+s,@includedir@,${prefix}/include,;t t
+s,@oldincludedir@,/usr/include,;t t
+s,@infodir@,${prefix}/info,;t t
+s,@mandir@,${prefix}/man,;t t
+s,@build_alias@,,;t t
+s,@host_alias@,,;t t
+s,@target_alias@,,;t t
+s,@DEFS@,-DHAVE_CONFIG_H,;t t
+s,@ECHO_C@,,;t t
+s,@ECHO_N@,-n,;t t
+s,@ECHO_T@,,;t t
+s,@LIBS@,,;t t
+s,@RANLIB@,ranlib,;t t
+s,@ac_ct_RANLIB@,ranlib,;t t
+s,@CC@,gcc,;t t
+s,@CFLAGS@,-Wall -O4 -fexpensive-optimizations -funroll-loops,;t t
+s,@LDFLAGS@,,;t t
+s,@CPPFLAGS@,,;t t
+s,@ac_ct_CC@,gcc,;t t
+s,@EXEEXT@,,;t t
+s,@OBJEXT@,o,;t t
+s,@INSTALL_PROGRAM@,${INSTALL},;t t
+s,@INSTALL_SCRIPT@,${INSTALL},;t t
+s,@INSTALL_DATA@,${INSTALL} -m 644,;t t
+s,@RNG_OBJS@,rand_source.o,;t t
+s,@CPP@,gcc -E,;t t
+s,@EGREP@,grep -E,;t t
+s,@build@,x86_64-unknown-linux-gnu,;t t
+s,@build_cpu@,x86_64,;t t
+s,@build_vendor@,unknown,;t t
+s,@build_os@,linux-gnu,;t t
+s,@host@,x86_64-unknown-linux-gnu,;t t
+s,@host_cpu@,x86_64,;t t
+s,@host_vendor@,unknown,;t t
+s,@host_os@,linux-gnu,;t t
+s,@EXE@,,;t t
+s,@GDOI_OBJS@,,;t t
+s,@LIBOBJS@,,;t t
+s,@LTLIBOBJS@,,;t t
+CEOF
+
+ # Split the substitutions into bite-sized pieces for seds with
+ # small command number limits, like on Digital OSF/1 and HP-UX.
+ ac_max_sed_lines=48
+ ac_sed_frag=1 # Number of current file.
+ ac_beg=1 # First line for current file.
+ ac_end=$ac_max_sed_lines # Line after last line for current file.
+ ac_more_lines=:
+ ac_sed_cmds=
+ while $ac_more_lines; do
+ if test $ac_beg -gt 1; then
+ sed "1,${ac_beg}d; ${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
+ else
+ sed "${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
+ fi
+ if test ! -s $tmp/subs.frag; then
+ ac_more_lines=false
+ else
+ # The purpose of the label and of the branching condition is to
+ # speed up the sed processing (if there are no `@' at all, there
+ # is no need to browse any of the substitutions).
+ # These are the two extra sed commands mentioned above.
+ (echo ':t
+ /@[a-zA-Z_][a-zA-Z_0-9]*@/!b' && cat $tmp/subs.frag) >$tmp/subs-$ac_sed_frag.sed
+ if test -z "$ac_sed_cmds"; then
+ ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed"
+ else
+ ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed"
+ fi
+ ac_sed_frag=`expr $ac_sed_frag + 1`
+ ac_beg=$ac_end
+ ac_end=`expr $ac_end + $ac_max_sed_lines`
+ fi
+ done
+ if test -z "$ac_sed_cmds"; then
+ ac_sed_cmds=cat
+ fi
+fi # test -n "$CONFIG_FILES"
+
+for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue
+ # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
+ case $ac_file in
+ - | *:- | *:-:* ) # input from stdin
+ cat >$tmp/stdin
+ ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+ ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+ *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+ ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+ * ) ac_file_in=$ac_file.in ;;
+ esac
+
+ # Compute @srcdir@, @top_srcdir@, and @INSTALL@ for subdirectories.
+ ac_dir=`(dirname "$ac_file") 2>/dev/null ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$ac_file" : 'X\(//\)[^/]' \| \
+ X"$ac_file" : 'X\(//\)$' \| \
+ X"$ac_file" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$ac_file" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ { if $as_mkdir_p; then
+ mkdir -p "$ac_dir"
+ else
+ as_dir="$ac_dir"
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
+echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+ ac_builddir=.
+
+if test "$ac_dir" != .; then
+ ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
+ # A "../" for each directory in $ac_dir_suffix.
+ ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
+else
+ ac_dir_suffix= ac_top_builddir=
+fi
+
+case $srcdir in
+ .) # No --srcdir option. We are building in place.
+ ac_srcdir=.
+ if test -z "$ac_top_builddir"; then
+ ac_top_srcdir=.
+ else
+ ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
+ fi ;;
+ [\\/]* | ?:[\\/]* ) # Absolute path.
+ ac_srcdir=$srcdir$ac_dir_suffix;
+ ac_top_srcdir=$srcdir ;;
+ *) # Relative path.
+ ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
+ ac_top_srcdir=$ac_top_builddir$srcdir ;;
+esac
+
+# Do not use `cd foo && pwd` to compute absolute paths, because
+# the directories may not exist.
+case `pwd` in
+.) ac_abs_builddir="$ac_dir";;
+*)
+ case "$ac_dir" in
+ .) ac_abs_builddir=`pwd`;;
+ [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
+ *) ac_abs_builddir=`pwd`/"$ac_dir";;
+ esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_builddir=${ac_top_builddir}.;;
+*)
+ case ${ac_top_builddir}. in
+ .) ac_abs_top_builddir=$ac_abs_builddir;;
+ [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
+ *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
+ esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_srcdir=$ac_srcdir;;
+*)
+ case $ac_srcdir in
+ .) ac_abs_srcdir=$ac_abs_builddir;;
+ [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
+ *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
+ esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_srcdir=$ac_top_srcdir;;
+*)
+ case $ac_top_srcdir in
+ .) ac_abs_top_srcdir=$ac_abs_builddir;;
+ [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
+ *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
+ esac;;
+esac
+
+
+ case $INSTALL in
+ [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+ *) ac_INSTALL=$ac_top_builddir$INSTALL ;;
+ esac
+
+ if test x"$ac_file" != x-; then
+ { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+ rm -f "$ac_file"
+ fi
+ # Let's still pretend it is `configure' which instantiates (i.e., don't
+ # use $as_me), people would be surprised to read:
+ # /* config.h. Generated by config.status. */
+ if test x"$ac_file" = x-; then
+ configure_input=
+ else
+ configure_input="$ac_file. "
+ fi
+ configure_input=$configure_input"Generated from `echo $ac_file_in |
+ sed 's,.*/,,'` by configure."
+
+ # First look for the input files in the build tree, otherwise in the
+ # src tree.
+ ac_file_inputs=`IFS=:
+ for f in $ac_file_in; do
+ case $f in
+ -) echo $tmp/stdin ;;
+ [\\/$]*)
+ # Absolute (can't be DOS-style, as IFS=:)
+ test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+ { (exit 1); exit 1; }; }
+ echo "$f";;
+ *) # Relative
+ if test -f "$f"; then
+ # Build tree
+ echo "$f"
+ elif test -f "$srcdir/$f"; then
+ # Source tree
+ echo "$srcdir/$f"
+ else
+ # /dev/null tree
+ { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+ { (exit 1); exit 1; }; }
+ fi;;
+ esac
+ done` || { (exit 1); exit 1; }
+ sed "/^[ ]*VPATH[ ]*=/{
+s/:*\$(srcdir):*/:/;
+s/:*\${srcdir}:*/:/;
+s/:*@srcdir@:*/:/;
+s/^\([^=]*=[ ]*\):*/\1/;
+s/:*$//;
+s/^[^=]*=[ ]*$//;
+}
+
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s,@configure_input@,$configure_input,;t t
+s,@srcdir@,$ac_srcdir,;t t
+s,@abs_srcdir@,$ac_abs_srcdir,;t t
+s,@top_srcdir@,$ac_top_srcdir,;t t
+s,@abs_top_srcdir@,$ac_abs_top_srcdir,;t t
+s,@builddir@,$ac_builddir,;t t
+s,@abs_builddir@,$ac_abs_builddir,;t t
+s,@top_builddir@,$ac_top_builddir,;t t
+s,@abs_top_builddir@,$ac_abs_top_builddir,;t t
+s,@INSTALL@,$ac_INSTALL,;t t
+" $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out
+ rm -f $tmp/stdin
+ if test x"$ac_file" != x-; then
+ mv $tmp/out $ac_file
+ else
+ cat $tmp/out
+ rm -f $tmp/out
+ fi
+
+done
+
+#
+# CONFIG_HEADER section.
+#
+
+# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
+# NAME is the cpp macro being defined and VALUE is the value it is being given.
+#
+# ac_d sets the value in "#define NAME VALUE" lines.
+ac_dA='s,^\([ ]*\)#\([ ]*define[ ][ ]*\)'
+ac_dB='[ ].*$,\1#\2'
+ac_dC=' '
+ac_dD=',;t'
+# ac_u turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
+ac_uA='s,^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
+ac_uB='$,\1#\2define\3'
+ac_uC=' '
+ac_uD=',;t'
+
+for ac_file in : $CONFIG_HEADERS; do test "x$ac_file" = x: && continue
+ # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
+ case $ac_file in
+ - | *:- | *:-:* ) # input from stdin
+ cat >$tmp/stdin
+ ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+ ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+ *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+ ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+ * ) ac_file_in=$ac_file.in ;;
+ esac
+
+ test x"$ac_file" != x- && { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+
+ # First look for the input files in the build tree, otherwise in the
+ # src tree.
+ ac_file_inputs=`IFS=:
+ for f in $ac_file_in; do
+ case $f in
+ -) echo $tmp/stdin ;;
+ [\\/$]*)
+ # Absolute (can't be DOS-style, as IFS=:)
+ test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+ { (exit 1); exit 1; }; }
+ # Do quote $f, to prevent DOS paths from being IFS'd.
+ echo "$f";;
+ *) # Relative
+ if test -f "$f"; then
+ # Build tree
+ echo "$f"
+ elif test -f "$srcdir/$f"; then
+ # Source tree
+ echo "$srcdir/$f"
+ else
+ # /dev/null tree
+ { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+ { (exit 1); exit 1; }; }
+ fi;;
+ esac
+ done` || { (exit 1); exit 1; }
+ # Remove the trailing spaces.
+ sed 's/[ ]*$//' $ac_file_inputs >$tmp/in
+
+ # Handle all the #define templates only if necessary.
+ if grep "^[ ]*#[ ]*define" $tmp/in >/dev/null; then
+ # If there are no defines, we may have an empty if/fi
+ :
+ cat >$tmp/defines.sed <<CEOF
+/^[ ]*#[ ]*define/!b
+t clr
+: clr
+${ac_dA}PACKAGE_NAME${ac_dB}PACKAGE_NAME${ac_dC}""${ac_dD}
+${ac_dA}PACKAGE_TARNAME${ac_dB}PACKAGE_TARNAME${ac_dC}""${ac_dD}
+${ac_dA}PACKAGE_VERSION${ac_dB}PACKAGE_VERSION${ac_dC}""${ac_dD}
+${ac_dA}PACKAGE_STRING${ac_dB}PACKAGE_STRING${ac_dC}""${ac_dD}
+${ac_dA}PACKAGE_BUGREPORT${ac_dB}PACKAGE_BUGREPORT${ac_dC}""${ac_dD}
+${ac_dA}DEV_URANDOM${ac_dB}DEV_URANDOM${ac_dC}"/dev/urandom"${ac_dD}
+${ac_dA}STDC_HEADERS${ac_dB}STDC_HEADERS${ac_dC}1${ac_dD}
+${ac_dA}HAVE_SYS_TYPES_H${ac_dB}HAVE_SYS_TYPES_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_SYS_STAT_H${ac_dB}HAVE_SYS_STAT_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_STDLIB_H${ac_dB}HAVE_STDLIB_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_STRING_H${ac_dB}HAVE_STRING_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_MEMORY_H${ac_dB}HAVE_MEMORY_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_STRINGS_H${ac_dB}HAVE_STRINGS_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_INTTYPES_H${ac_dB}HAVE_INTTYPES_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_STDINT_H${ac_dB}HAVE_STDINT_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_UNISTD_H${ac_dB}HAVE_UNISTD_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_STDLIB_H${ac_dB}HAVE_STDLIB_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_UNISTD_H${ac_dB}HAVE_UNISTD_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_BYTESWAP_H${ac_dB}HAVE_BYTESWAP_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_STDINT_H${ac_dB}HAVE_STDINT_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_SYS_UIO_H${ac_dB}HAVE_SYS_UIO_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_INTTYPES_H${ac_dB}HAVE_INTTYPES_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_SYS_TYPES_H${ac_dB}HAVE_SYS_TYPES_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_SYS_SOCKET_H${ac_dB}HAVE_SYS_SOCKET_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_NETINET_IN_H${ac_dB}HAVE_NETINET_IN_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_ARPA_INET_H${ac_dB}HAVE_ARPA_INET_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_SYSLOG_H${ac_dB}HAVE_SYSLOG_H${ac_dC}1${ac_dD}
+${ac_dA}HAVE_INT8_T${ac_dB}HAVE_INT8_T${ac_dC}1${ac_dD}
+${ac_dA}HAVE_UINT8_T${ac_dB}HAVE_UINT8_T${ac_dC}1${ac_dD}
+${ac_dA}HAVE_INT16_T${ac_dB}HAVE_INT16_T${ac_dC}1${ac_dD}
+${ac_dA}HAVE_UINT16_T${ac_dB}HAVE_UINT16_T${ac_dC}1${ac_dD}
+${ac_dA}HAVE_INT32_T${ac_dB}HAVE_INT32_T${ac_dC}1${ac_dD}
+${ac_dA}HAVE_UINT32_T${ac_dB}HAVE_UINT32_T${ac_dC}1${ac_dD}
+${ac_dA}HAVE_UINT64_T${ac_dB}HAVE_UINT64_T${ac_dC}1${ac_dD}
+${ac_dA}SIZEOF_UNSIGNED_LONG${ac_dB}SIZEOF_UNSIGNED_LONG${ac_dC}8${ac_dD}
+${ac_dA}SIZEOF_UNSIGNED_LONG_LONG${ac_dB}SIZEOF_UNSIGNED_LONG_LONG${ac_dC}8${ac_dD}
+${ac_dA}HAVE_SOCKET${ac_dB}HAVE_SOCKET${ac_dC}1${ac_dD}
+${ac_dA}HAVE_INET_ATON${ac_dB}HAVE_INET_ATON${ac_dC}1${ac_dD}
+CEOF
+ sed -f $tmp/defines.sed $tmp/in >$tmp/out
+ rm -f $tmp/in
+ mv $tmp/out $tmp/in
+
+ cat >$tmp/defines.sed <<CEOF
+/^[ ]*#[ ]*define/!b
+t clr
+: clr
+${ac_dA}HAVE_USLEEP${ac_dB}HAVE_USLEEP${ac_dC}1${ac_dD}
+${ac_dA}CPU_CISC${ac_dB}CPU_CISC${ac_dC}1${ac_dD}
+${ac_dA}ENABLE_DEBUGGING${ac_dB}ENABLE_DEBUGGING${ac_dC}1${ac_dD}
+${ac_dA}ERR_REPORTING_STDOUT${ac_dB}ERR_REPORTING_STDOUT${ac_dC}1${ac_dD}
+CEOF
+ sed -f $tmp/defines.sed $tmp/in >$tmp/out
+ rm -f $tmp/in
+ mv $tmp/out $tmp/in
+
+ fi # grep
+
+ # Handle all the #undef templates
+ cat >$tmp/undefs.sed <<CEOF
+/^[ ]*#[ ]*undef/!b
+t clr
+: clr
+${ac_uA}PACKAGE_NAME${ac_uB}PACKAGE_NAME${ac_uC}""${ac_uD}
+${ac_uA}PACKAGE_TARNAME${ac_uB}PACKAGE_TARNAME${ac_uC}""${ac_uD}
+${ac_uA}PACKAGE_VERSION${ac_uB}PACKAGE_VERSION${ac_uC}""${ac_uD}
+${ac_uA}PACKAGE_STRING${ac_uB}PACKAGE_STRING${ac_uC}""${ac_uD}
+${ac_uA}PACKAGE_BUGREPORT${ac_uB}PACKAGE_BUGREPORT${ac_uC}""${ac_uD}
+${ac_uA}DEV_URANDOM${ac_uB}DEV_URANDOM${ac_uC}"/dev/urandom"${ac_uD}
+${ac_uA}STDC_HEADERS${ac_uB}STDC_HEADERS${ac_uC}1${ac_uD}
+${ac_uA}HAVE_SYS_TYPES_H${ac_uB}HAVE_SYS_TYPES_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_SYS_STAT_H${ac_uB}HAVE_SYS_STAT_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_STDLIB_H${ac_uB}HAVE_STDLIB_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_STRING_H${ac_uB}HAVE_STRING_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_MEMORY_H${ac_uB}HAVE_MEMORY_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_STRINGS_H${ac_uB}HAVE_STRINGS_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_INTTYPES_H${ac_uB}HAVE_INTTYPES_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_STDINT_H${ac_uB}HAVE_STDINT_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_UNISTD_H${ac_uB}HAVE_UNISTD_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_STDLIB_H${ac_uB}HAVE_STDLIB_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_UNISTD_H${ac_uB}HAVE_UNISTD_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_BYTESWAP_H${ac_uB}HAVE_BYTESWAP_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_STDINT_H${ac_uB}HAVE_STDINT_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_SYS_UIO_H${ac_uB}HAVE_SYS_UIO_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_INTTYPES_H${ac_uB}HAVE_INTTYPES_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_SYS_TYPES_H${ac_uB}HAVE_SYS_TYPES_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_SYS_SOCKET_H${ac_uB}HAVE_SYS_SOCKET_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_NETINET_IN_H${ac_uB}HAVE_NETINET_IN_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_ARPA_INET_H${ac_uB}HAVE_ARPA_INET_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_SYSLOG_H${ac_uB}HAVE_SYSLOG_H${ac_uC}1${ac_uD}
+${ac_uA}HAVE_INT8_T${ac_uB}HAVE_INT8_T${ac_uC}1${ac_uD}
+${ac_uA}HAVE_UINT8_T${ac_uB}HAVE_UINT8_T${ac_uC}1${ac_uD}
+${ac_uA}HAVE_INT16_T${ac_uB}HAVE_INT16_T${ac_uC}1${ac_uD}
+${ac_uA}HAVE_UINT16_T${ac_uB}HAVE_UINT16_T${ac_uC}1${ac_uD}
+${ac_uA}HAVE_INT32_T${ac_uB}HAVE_INT32_T${ac_uC}1${ac_uD}
+${ac_uA}HAVE_UINT32_T${ac_uB}HAVE_UINT32_T${ac_uC}1${ac_uD}
+${ac_uA}HAVE_UINT64_T${ac_uB}HAVE_UINT64_T${ac_uC}1${ac_uD}
+${ac_uA}SIZEOF_UNSIGNED_LONG${ac_uB}SIZEOF_UNSIGNED_LONG${ac_uC}8${ac_uD}
+${ac_uA}SIZEOF_UNSIGNED_LONG_LONG${ac_uB}SIZEOF_UNSIGNED_LONG_LONG${ac_uC}8${ac_uD}
+${ac_uA}HAVE_SOCKET${ac_uB}HAVE_SOCKET${ac_uC}1${ac_uD}
+${ac_uA}HAVE_INET_ATON${ac_uB}HAVE_INET_ATON${ac_uC}1${ac_uD}
+CEOF
+ sed -f $tmp/undefs.sed $tmp/in >$tmp/out
+ rm -f $tmp/in
+ mv $tmp/out $tmp/in
+
+ cat >$tmp/undefs.sed <<CEOF
+/^[ ]*#[ ]*undef/!b
+t clr
+: clr
+${ac_uA}HAVE_USLEEP${ac_uB}HAVE_USLEEP${ac_uC}1${ac_uD}
+${ac_uA}CPU_CISC${ac_uB}CPU_CISC${ac_uC}1${ac_uD}
+${ac_uA}ENABLE_DEBUGGING${ac_uB}ENABLE_DEBUGGING${ac_uC}1${ac_uD}
+${ac_uA}ERR_REPORTING_STDOUT${ac_uB}ERR_REPORTING_STDOUT${ac_uC}1${ac_uD}
+s,^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
+CEOF
+ sed -f $tmp/undefs.sed $tmp/in >$tmp/out
+ rm -f $tmp/in
+ mv $tmp/out $tmp/in
+
+ # Let's still pretend it is `configure' which instantiates (i.e., don't
+ # use $as_me), people would be surprised to read:
+ # /* config.h. Generated by config.status. */
+ if test x"$ac_file" = x-; then
+ echo "/* Generated by configure. */" >$tmp/config.h
+ else
+ echo "/* $ac_file. Generated by configure. */" >$tmp/config.h
+ fi
+ cat $tmp/in >>$tmp/config.h
+ rm -f $tmp/in
+ if test x"$ac_file" != x-; then
+ if diff $ac_file $tmp/config.h >/dev/null 2>&1; then
+ { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
+echo "$as_me: $ac_file is unchanged" >&6;}
+ else
+ ac_dir=`(dirname "$ac_file") 2>/dev/null ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$ac_file" : 'X\(//\)[^/]' \| \
+ X"$ac_file" : 'X\(//\)$' \| \
+ X"$ac_file" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$ac_file" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ { if $as_mkdir_p; then
+ mkdir -p "$ac_dir"
+ else
+ as_dir="$ac_dir"
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
+echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+ rm -f $ac_file
+ mv $tmp/config.h $ac_file
+ fi
+ else
+ cat $tmp/config.h
+ rm -f $tmp/config.h
+ fi
+done
+
+{ (exit 0); exit 0; }
diff --git a/config.sub b/config.sub
new file mode 100755
index 0000000..edb6b66
--- /dev/null
+++ b/config.sub
@@ -0,0 +1,1555 @@
+#! /bin/sh
+# Configuration validation subroutine script.
+# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+# 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+
+timestamp='2004-08-29'
+
+# This file is (in principle) common to ALL GNU software.
+# The presence of a machine in this file suggests that SOME GNU software
+# can handle that machine. It does not imply ALL GNU software can.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# Please send patches to <config-patches@gnu.org>. Submit a context
+# diff and a properly formatted ChangeLog entry.
+#
+# Configuration subroutine to validate and canonicalize a configuration type.
+# Supply the specified configuration type as an argument.
+# If it is invalid, we print an error message on stderr and exit with code 1.
+# Otherwise, we print the canonical config type on stdout and succeed.
+
+# This file is supposed to be the same for all GNU packages
+# and recognize all the CPU types, system types and aliases
+# that are meaningful with *any* GNU software.
+# Each package is responsible for reporting which valid configurations
+# it does not support. The user should be able to distinguish
+# a failure to support a valid configuration from a meaningless
+# configuration.
+
+# The goal of this file is to map all the various variations of a given
+# machine specification into a single specification in the form:
+# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM
+# or in some cases, the newer four-part form:
+# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM
+# It is wrong to echo any other type of specification.
+
+me=`echo "$0" | sed -e 's,.*/,,'`
+
+usage="\
+Usage: $0 [OPTION] CPU-MFR-OPSYS
+ $0 [OPTION] ALIAS
+
+Canonicalize a configuration name.
+
+Operation modes:
+ -h, --help print this help, then exit
+ -t, --time-stamp print date of last modification, then exit
+ -v, --version print version number, then exit
+
+Report bugs and patches to <config-patches@gnu.org>."
+
+version="\
+GNU config.sub ($timestamp)
+
+Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+Free Software Foundation, Inc.
+
+This is free software; see the source for copying conditions. There is NO
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
+
+help="
+Try \`$me --help' for more information."
+
+# Parse command line
+while test $# -gt 0 ; do
+ case $1 in
+ --time-stamp | --time* | -t )
+ echo "$timestamp" ; exit 0 ;;
+ --version | -v )
+ echo "$version" ; exit 0 ;;
+ --help | --h* | -h )
+ echo "$usage"; exit 0 ;;
+ -- ) # Stop option processing
+ shift; break ;;
+ - ) # Use stdin as input.
+ break ;;
+ -* )
+ echo "$me: invalid option $1$help"
+ exit 1 ;;
+
+ *local*)
+ # First pass through any local machine types.
+ echo $1
+ exit 0;;
+
+ * )
+ break ;;
+ esac
+done
+
+case $# in
+ 0) echo "$me: missing argument$help" >&2
+ exit 1;;
+ 1) ;;
+ *) echo "$me: too many arguments$help" >&2
+ exit 1;;
+esac
+
+# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any).
+# Here we must recognize all the valid KERNEL-OS combinations.
+maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
+case $maybe_os in
+ nto-qnx* | linux-gnu* | linux-dietlibc | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | \
+ kfreebsd*-gnu* | knetbsd*-gnu* | netbsd*-gnu* | storm-chaos* | os2-emx* | rtmk-nova*)
+ os=-$maybe_os
+ basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`
+ ;;
+ *)
+ basic_machine=`echo $1 | sed 's/-[^-]*$//'`
+ if [ $basic_machine != $1 ]
+ then os=`echo $1 | sed 's/.*-/-/'`
+ else os=; fi
+ ;;
+esac
+
+### Let's recognize common machines as not being operating systems so
+### that things like config.sub decstation-3100 work. We also
+### recognize some manufacturers as not being operating systems, so we
+### can provide default operating systems below.
+case $os in
+ -sun*os*)
+ # Prevent following clause from handling this invalid input.
+ ;;
+ -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \
+ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \
+ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \
+ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
+ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
+ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
+ -apple | -axis | -knuth | -cray)
+ os=
+ basic_machine=$1
+ ;;
+ -sim | -cisco | -oki | -wec | -winbond)
+ os=
+ basic_machine=$1
+ ;;
+ -scout)
+ ;;
+ -wrs)
+ os=-vxworks
+ basic_machine=$1
+ ;;
+ -chorusos*)
+ os=-chorusos
+ basic_machine=$1
+ ;;
+ -chorusrdb)
+ os=-chorusrdb
+ basic_machine=$1
+ ;;
+ -hiux*)
+ os=-hiuxwe2
+ ;;
+ -sco5)
+ os=-sco3.2v5
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco4)
+ os=-sco3.2v4
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco3.2.[4-9]*)
+ os=`echo $os | sed -e 's/sco3.2./sco3.2v/'`
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco3.2v[4-9]*)
+ # Don't forget version if it is 3.2v4 or newer.
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -sco*)
+ os=-sco3.2v2
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -udk*)
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -isc)
+ os=-isc2.2
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -clix*)
+ basic_machine=clipper-intergraph
+ ;;
+ -isc*)
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
+ ;;
+ -lynx*)
+ os=-lynxos
+ ;;
+ -ptx*)
+ basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'`
+ ;;
+ -windowsnt*)
+ os=`echo $os | sed -e 's/windowsnt/winnt/'`
+ ;;
+ -psos*)
+ os=-psos
+ ;;
+ -mint | -mint[0-9]*)
+ basic_machine=m68k-atari
+ os=-mint
+ ;;
+esac
+
+# Decode aliases for certain CPU-COMPANY combinations.
+case $basic_machine in
+ # Recognize the basic CPU types without company name.
+ # Some are omitted here because they have special meanings below.
+ 1750a | 580 \
+ | a29k \
+ | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
+ | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
+ | am33_2.0 \
+ | arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr \
+ | c4x | clipper \
+ | d10v | d30v | dlx | dsp16xx \
+ | fr30 | frv \
+ | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \
+ | i370 | i860 | i960 | ia64 \
+ | ip2k | iq2000 \
+ | m32r | m32rle | m68000 | m68k | m88k | mcore \
+ | mips | mipsbe | mipseb | mipsel | mipsle \
+ | mips16 \
+ | mips64 | mips64el \
+ | mips64vr | mips64vrel \
+ | mips64orion | mips64orionel \
+ | mips64vr4100 | mips64vr4100el \
+ | mips64vr4300 | mips64vr4300el \
+ | mips64vr5000 | mips64vr5000el \
+ | mipsisa32 | mipsisa32el \
+ | mipsisa32r2 | mipsisa32r2el \
+ | mipsisa64 | mipsisa64el \
+ | mipsisa64r2 | mipsisa64r2el \
+ | mipsisa64sb1 | mipsisa64sb1el \
+ | mipsisa64sr71k | mipsisa64sr71kel \
+ | mipstx39 | mipstx39el \
+ | mn10200 | mn10300 \
+ | msp430 \
+ | ns16k | ns32k \
+ | openrisc | or32 \
+ | pdp10 | pdp11 | pj | pjl \
+ | powerpc | powerpc64 | powerpc64le | powerpcle | ppcbe \
+ | pyramid \
+ | sh | sh[1234] | sh[23]e | sh[34]eb | shbe | shle | sh[1234]le | sh3ele \
+ | sh64 | sh64le \
+ | sparc | sparc64 | sparc86x | sparclet | sparclite | sparcv8 | sparcv9 | sparcv9b \
+ | strongarm \
+ | tahoe | thumb | tic4x | tic80 | tron \
+ | v850 | v850e \
+ | we32k \
+ | x86 | xscale | xstormy16 | xtensa \
+ | z8k)
+ basic_machine=$basic_machine-unknown
+ ;;
+ m6811 | m68hc11 | m6812 | m68hc12)
+ # Motorola 68HC11/12.
+ basic_machine=$basic_machine-unknown
+ os=-none
+ ;;
+ m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k)
+ ;;
+
+ # We use `pc' rather than `unknown'
+ # because (1) that's what they normally are, and
+ # (2) the word "unknown" tends to confuse beginning users.
+ i*86 | x86_64)
+ basic_machine=$basic_machine-pc
+ ;;
+ # Object if more than one company name word.
+ *-*-*)
+ echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+ exit 1
+ ;;
+ # Recognize the basic CPU types with company name.
+ 580-* \
+ | a29k-* \
+ | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \
+ | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
+ | alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
+ | arm-* | armbe-* | armle-* | armeb-* | armv*-* \
+ | avr-* \
+ | bs2000-* \
+ | c[123]* | c30-* | [cjt]90-* | c4x-* | c54x-* | c55x-* | c6x-* \
+ | clipper-* | craynv-* | cydra-* \
+ | d10v-* | d30v-* | dlx-* \
+ | elxsi-* \
+ | f30[01]-* | f700-* | fr30-* | frv-* | fx80-* \
+ | h8300-* | h8500-* \
+ | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \
+ | i*86-* | i860-* | i960-* | ia64-* \
+ | ip2k-* | iq2000-* \
+ | m32r-* | m32rle-* \
+ | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
+ | m88110-* | m88k-* | mcore-* \
+ | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
+ | mips16-* \
+ | mips64-* | mips64el-* \
+ | mips64vr-* | mips64vrel-* \
+ | mips64orion-* | mips64orionel-* \
+ | mips64vr4100-* | mips64vr4100el-* \
+ | mips64vr4300-* | mips64vr4300el-* \
+ | mips64vr5000-* | mips64vr5000el-* \
+ | mipsisa32-* | mipsisa32el-* \
+ | mipsisa32r2-* | mipsisa32r2el-* \
+ | mipsisa64-* | mipsisa64el-* \
+ | mipsisa64r2-* | mipsisa64r2el-* \
+ | mipsisa64sb1-* | mipsisa64sb1el-* \
+ | mipsisa64sr71k-* | mipsisa64sr71kel-* \
+ | mipstx39-* | mipstx39el-* \
+ | mmix-* \
+ | msp430-* \
+ | none-* | np1-* | ns16k-* | ns32k-* \
+ | orion-* \
+ | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \
+ | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* | ppcbe-* \
+ | pyramid-* \
+ | romp-* | rs6000-* \
+ | sh-* | sh[1234]-* | sh[23]e-* | sh[34]eb-* | shbe-* \
+ | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \
+ | sparc-* | sparc64-* | sparc86x-* | sparclet-* | sparclite-* \
+ | sparcv8-* | sparcv9-* | sparcv9b-* | strongarm-* | sv1-* | sx?-* \
+ | tahoe-* | thumb-* \
+ | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \
+ | tron-* \
+ | v850-* | v850e-* | vax-* \
+ | we32k-* \
+ | x86-* | x86_64-* | xps100-* | xscale-* | xstormy16-* \
+ | xtensa-* \
+ | ymp-* \
+ | z8k-*)
+ ;;
+ # Recognize the various machine names and aliases which stand
+ # for a CPU type and a company and sometimes even an OS.
+ 386bsd)
+ basic_machine=i386-unknown
+ os=-bsd
+ ;;
+ 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc)
+ basic_machine=m68000-att
+ ;;
+ 3b*)
+ basic_machine=we32k-att
+ ;;
+ a29khif)
+ basic_machine=a29k-amd
+ os=-udi
+ ;;
+ abacus)
+ basic_machine=abacus-unknown
+ ;;
+ adobe68k)
+ basic_machine=m68010-adobe
+ os=-scout
+ ;;
+ alliant | fx80)
+ basic_machine=fx80-alliant
+ ;;
+ altos | altos3068)
+ basic_machine=m68k-altos
+ ;;
+ am29k)
+ basic_machine=a29k-none
+ os=-bsd
+ ;;
+ amd64)
+ basic_machine=x86_64-pc
+ ;;
+ amd64-*)
+ basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ amdahl)
+ basic_machine=580-amdahl
+ os=-sysv
+ ;;
+ amiga | amiga-*)
+ basic_machine=m68k-unknown
+ ;;
+ amigaos | amigados)
+ basic_machine=m68k-unknown
+ os=-amigaos
+ ;;
+ amigaunix | amix)
+ basic_machine=m68k-unknown
+ os=-sysv4
+ ;;
+ apollo68)
+ basic_machine=m68k-apollo
+ os=-sysv
+ ;;
+ apollo68bsd)
+ basic_machine=m68k-apollo
+ os=-bsd
+ ;;
+ aux)
+ basic_machine=m68k-apple
+ os=-aux
+ ;;
+ balance)
+ basic_machine=ns32k-sequent
+ os=-dynix
+ ;;
+ c90)
+ basic_machine=c90-cray
+ os=-unicos
+ ;;
+ convex-c1)
+ basic_machine=c1-convex
+ os=-bsd
+ ;;
+ convex-c2)
+ basic_machine=c2-convex
+ os=-bsd
+ ;;
+ convex-c32)
+ basic_machine=c32-convex
+ os=-bsd
+ ;;
+ convex-c34)
+ basic_machine=c34-convex
+ os=-bsd
+ ;;
+ convex-c38)
+ basic_machine=c38-convex
+ os=-bsd
+ ;;
+ cray | j90)
+ basic_machine=j90-cray
+ os=-unicos
+ ;;
+ craynv)
+ basic_machine=craynv-cray
+ os=-unicosmp
+ ;;
+ cr16c)
+ basic_machine=cr16c-unknown
+ os=-elf
+ ;;
+ crds | unos)
+ basic_machine=m68k-crds
+ ;;
+ crisv32 | crisv32-* | etraxfs*)
+ basic_machine=crisv32-axis
+ ;;
+ cris | cris-* | etrax*)
+ basic_machine=cris-axis
+ ;;
+ crx)
+ basic_machine=crx-unknown
+ os=-elf
+ ;;
+ da30 | da30-*)
+ basic_machine=m68k-da30
+ ;;
+ decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn)
+ basic_machine=mips-dec
+ ;;
+ decsystem10* | dec10*)
+ basic_machine=pdp10-dec
+ os=-tops10
+ ;;
+ decsystem20* | dec20*)
+ basic_machine=pdp10-dec
+ os=-tops20
+ ;;
+ delta | 3300 | motorola-3300 | motorola-delta \
+ | 3300-motorola | delta-motorola)
+ basic_machine=m68k-motorola
+ ;;
+ delta88)
+ basic_machine=m88k-motorola
+ os=-sysv3
+ ;;
+ dpx20 | dpx20-*)
+ basic_machine=rs6000-bull
+ os=-bosx
+ ;;
+ dpx2* | dpx2*-bull)
+ basic_machine=m68k-bull
+ os=-sysv3
+ ;;
+ ebmon29k)
+ basic_machine=a29k-amd
+ os=-ebmon
+ ;;
+ elxsi)
+ basic_machine=elxsi-elxsi
+ os=-bsd
+ ;;
+ encore | umax | mmax)
+ basic_machine=ns32k-encore
+ ;;
+ es1800 | OSE68k | ose68k | ose | OSE)
+ basic_machine=m68k-ericsson
+ os=-ose
+ ;;
+ fx2800)
+ basic_machine=i860-alliant
+ ;;
+ genix)
+ basic_machine=ns32k-ns
+ ;;
+ gmicro)
+ basic_machine=tron-gmicro
+ os=-sysv
+ ;;
+ go32)
+ basic_machine=i386-pc
+ os=-go32
+ ;;
+ h3050r* | hiux*)
+ basic_machine=hppa1.1-hitachi
+ os=-hiuxwe2
+ ;;
+ h8300hms)
+ basic_machine=h8300-hitachi
+ os=-hms
+ ;;
+ h8300xray)
+ basic_machine=h8300-hitachi
+ os=-xray
+ ;;
+ h8500hms)
+ basic_machine=h8500-hitachi
+ os=-hms
+ ;;
+ harris)
+ basic_machine=m88k-harris
+ os=-sysv3
+ ;;
+ hp300-*)
+ basic_machine=m68k-hp
+ ;;
+ hp300bsd)
+ basic_machine=m68k-hp
+ os=-bsd
+ ;;
+ hp300hpux)
+ basic_machine=m68k-hp
+ os=-hpux
+ ;;
+ hp3k9[0-9][0-9] | hp9[0-9][0-9])
+ basic_machine=hppa1.0-hp
+ ;;
+ hp9k2[0-9][0-9] | hp9k31[0-9])
+ basic_machine=m68000-hp
+ ;;
+ hp9k3[2-9][0-9])
+ basic_machine=m68k-hp
+ ;;
+ hp9k6[0-9][0-9] | hp6[0-9][0-9])
+ basic_machine=hppa1.0-hp
+ ;;
+ hp9k7[0-79][0-9] | hp7[0-79][0-9])
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k78[0-9] | hp78[0-9])
+ # FIXME: really hppa2.0-hp
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893)
+ # FIXME: really hppa2.0-hp
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k8[0-9][13679] | hp8[0-9][13679])
+ basic_machine=hppa1.1-hp
+ ;;
+ hp9k8[0-9][0-9] | hp8[0-9][0-9])
+ basic_machine=hppa1.0-hp
+ ;;
+ hppa-next)
+ os=-nextstep3
+ ;;
+ hppaosf)
+ basic_machine=hppa1.1-hp
+ os=-osf
+ ;;
+ hppro)
+ basic_machine=hppa1.1-hp
+ os=-proelf
+ ;;
+ i370-ibm* | ibm*)
+ basic_machine=i370-ibm
+ ;;
+# I'm not sure what "Sysv32" means. Should this be sysv3.2?
+ i*86v32)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-sysv32
+ ;;
+ i*86v4*)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-sysv4
+ ;;
+ i*86v)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-sysv
+ ;;
+ i*86sol2)
+ basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'`
+ os=-solaris2
+ ;;
+ i386mach)
+ basic_machine=i386-mach
+ os=-mach
+ ;;
+ i386-vsta | vsta)
+ basic_machine=i386-unknown
+ os=-vsta
+ ;;
+ iris | iris4d)
+ basic_machine=mips-sgi
+ case $os in
+ -irix*)
+ ;;
+ *)
+ os=-irix4
+ ;;
+ esac
+ ;;
+ isi68 | isi)
+ basic_machine=m68k-isi
+ os=-sysv
+ ;;
+ m88k-omron*)
+ basic_machine=m88k-omron
+ ;;
+ magnum | m3230)
+ basic_machine=mips-mips
+ os=-sysv
+ ;;
+ merlin)
+ basic_machine=ns32k-utek
+ os=-sysv
+ ;;
+ mingw32)
+ basic_machine=i386-pc
+ os=-mingw32
+ ;;
+ miniframe)
+ basic_machine=m68000-convergent
+ ;;
+ *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*)
+ basic_machine=m68k-atari
+ os=-mint
+ ;;
+ mips3*-*)
+ basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`
+ ;;
+ mips3*)
+ basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown
+ ;;
+ monitor)
+ basic_machine=m68k-rom68k
+ os=-coff
+ ;;
+ morphos)
+ basic_machine=powerpc-unknown
+ os=-morphos
+ ;;
+ msdos)
+ basic_machine=i386-pc
+ os=-msdos
+ ;;
+ mvs)
+ basic_machine=i370-ibm
+ os=-mvs
+ ;;
+ ncr3000)
+ basic_machine=i486-ncr
+ os=-sysv4
+ ;;
+ netbsd386)
+ basic_machine=i386-unknown
+ os=-netbsd
+ ;;
+ netwinder)
+ basic_machine=armv4l-rebel
+ os=-linux
+ ;;
+ news | news700 | news800 | news900)
+ basic_machine=m68k-sony
+ os=-newsos
+ ;;
+ news1000)
+ basic_machine=m68030-sony
+ os=-newsos
+ ;;
+ news-3600 | risc-news)
+ basic_machine=mips-sony
+ os=-newsos
+ ;;
+ necv70)
+ basic_machine=v70-nec
+ os=-sysv
+ ;;
+ next | m*-next )
+ basic_machine=m68k-next
+ case $os in
+ -nextstep* )
+ ;;
+ -ns2*)
+ os=-nextstep2
+ ;;
+ *)
+ os=-nextstep3
+ ;;
+ esac
+ ;;
+ nh3000)
+ basic_machine=m68k-harris
+ os=-cxux
+ ;;
+ nh[45]000)
+ basic_machine=m88k-harris
+ os=-cxux
+ ;;
+ nindy960)
+ basic_machine=i960-intel
+ os=-nindy
+ ;;
+ mon960)
+ basic_machine=i960-intel
+ os=-mon960
+ ;;
+ nonstopux)
+ basic_machine=mips-compaq
+ os=-nonstopux
+ ;;
+ np1)
+ basic_machine=np1-gould
+ ;;
+ nsr-tandem)
+ basic_machine=nsr-tandem
+ ;;
+ op50n-* | op60c-*)
+ basic_machine=hppa1.1-oki
+ os=-proelf
+ ;;
+ or32 | or32-*)
+ basic_machine=or32-unknown
+ os=-coff
+ ;;
+ os400)
+ basic_machine=powerpc-ibm
+ os=-os400
+ ;;
+ OSE68000 | ose68000)
+ basic_machine=m68000-ericsson
+ os=-ose
+ ;;
+ os68k)
+ basic_machine=m68k-none
+ os=-os68k
+ ;;
+ pa-hitachi)
+ basic_machine=hppa1.1-hitachi
+ os=-hiuxwe2
+ ;;
+ paragon)
+ basic_machine=i860-intel
+ os=-osf
+ ;;
+ pbd)
+ basic_machine=sparc-tti
+ ;;
+ pbb)
+ basic_machine=m68k-tti
+ ;;
+ pc532 | pc532-*)
+ basic_machine=ns32k-pc532
+ ;;
+ pentium | p5 | k5 | k6 | nexgen | viac3)
+ basic_machine=i586-pc
+ ;;
+ pentiumpro | p6 | 6x86 | athlon | athlon_*)
+ basic_machine=i686-pc
+ ;;
+ pentiumii | pentium2 | pentiumiii | pentium3)
+ basic_machine=i686-pc
+ ;;
+ pentium4)
+ basic_machine=i786-pc
+ ;;
+ pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
+ basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentiumpro-* | p6-* | 6x86-* | athlon-*)
+ basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
+ basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pentium4-*)
+ basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ pn)
+ basic_machine=pn-gould
+ ;;
+ power) basic_machine=power-ibm
+ ;;
+ ppc) basic_machine=powerpc-unknown
+ ;;
+ ppc-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ppcle | powerpclittle | ppc-le | powerpc-little)
+ basic_machine=powerpcle-unknown
+ ;;
+ ppcle-* | powerpclittle-*)
+ basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ppc64) basic_machine=powerpc64-unknown
+ ;;
+ ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ppc64le | powerpc64little | ppc64-le | powerpc64-little)
+ basic_machine=powerpc64le-unknown
+ ;;
+ ppc64le-* | powerpc64little-*)
+ basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'`
+ ;;
+ ps2)
+ basic_machine=i386-ibm
+ ;;
+ pw32)
+ basic_machine=i586-unknown
+ os=-pw32
+ ;;
+ rom68k)
+ basic_machine=m68k-rom68k
+ os=-coff
+ ;;
+ rm[46]00)
+ basic_machine=mips-siemens
+ ;;
+ rtpc | rtpc-*)
+ basic_machine=romp-ibm
+ ;;
+ s390 | s390-*)
+ basic_machine=s390-ibm
+ ;;
+ s390x | s390x-*)
+ basic_machine=s390x-ibm
+ ;;
+ sa29200)
+ basic_machine=a29k-amd
+ os=-udi
+ ;;
+ sb1)
+ basic_machine=mipsisa64sb1-unknown
+ ;;
+ sb1el)
+ basic_machine=mipsisa64sb1el-unknown
+ ;;
+ sei)
+ basic_machine=mips-sei
+ os=-seiux
+ ;;
+ sequent)
+ basic_machine=i386-sequent
+ ;;
+ sh)
+ basic_machine=sh-hitachi
+ os=-hms
+ ;;
+ sh64)
+ basic_machine=sh64-unknown
+ ;;
+ sparclite-wrs | simso-wrs)
+ basic_machine=sparclite-wrs
+ os=-vxworks
+ ;;
+ sps7)
+ basic_machine=m68k-bull
+ os=-sysv2
+ ;;
+ spur)
+ basic_machine=spur-unknown
+ ;;
+ st2000)
+ basic_machine=m68k-tandem
+ ;;
+ stratus)
+ basic_machine=i860-stratus
+ os=-sysv4
+ ;;
+ sun2)
+ basic_machine=m68000-sun
+ ;;
+ sun2os3)
+ basic_machine=m68000-sun
+ os=-sunos3
+ ;;
+ sun2os4)
+ basic_machine=m68000-sun
+ os=-sunos4
+ ;;
+ sun3os3)
+ basic_machine=m68k-sun
+ os=-sunos3
+ ;;
+ sun3os4)
+ basic_machine=m68k-sun
+ os=-sunos4
+ ;;
+ sun4os3)
+ basic_machine=sparc-sun
+ os=-sunos3
+ ;;
+ sun4os4)
+ basic_machine=sparc-sun
+ os=-sunos4
+ ;;
+ sun4sol2)
+ basic_machine=sparc-sun
+ os=-solaris2
+ ;;
+ sun3 | sun3-*)
+ basic_machine=m68k-sun
+ ;;
+ sun4)
+ basic_machine=sparc-sun
+ ;;
+ sun386 | sun386i | roadrunner)
+ basic_machine=i386-sun
+ ;;
+ sv1)
+ basic_machine=sv1-cray
+ os=-unicos
+ ;;
+ symmetry)
+ basic_machine=i386-sequent
+ os=-dynix
+ ;;
+ t3e)
+ basic_machine=alphaev5-cray
+ os=-unicos
+ ;;
+ t90)
+ basic_machine=t90-cray
+ os=-unicos
+ ;;
+ tic54x | c54x*)
+ basic_machine=tic54x-unknown
+ os=-coff
+ ;;
+ tic55x | c55x*)
+ basic_machine=tic55x-unknown
+ os=-coff
+ ;;
+ tic6x | c6x*)
+ basic_machine=tic6x-unknown
+ os=-coff
+ ;;
+ tx39)
+ basic_machine=mipstx39-unknown
+ ;;
+ tx39el)
+ basic_machine=mipstx39el-unknown
+ ;;
+ toad1)
+ basic_machine=pdp10-xkl
+ os=-tops20
+ ;;
+ tower | tower-32)
+ basic_machine=m68k-ncr
+ ;;
+ tpf)
+ basic_machine=s390x-ibm
+ os=-tpf
+ ;;
+ udi29k)
+ basic_machine=a29k-amd
+ os=-udi
+ ;;
+ ultra3)
+ basic_machine=a29k-nyu
+ os=-sym1
+ ;;
+ v810 | necv810)
+ basic_machine=v810-nec
+ os=-none
+ ;;
+ vaxv)
+ basic_machine=vax-dec
+ os=-sysv
+ ;;
+ vms)
+ basic_machine=vax-dec
+ os=-vms
+ ;;
+ vpp*|vx|vx-*)
+ basic_machine=f301-fujitsu
+ ;;
+ vxworks960)
+ basic_machine=i960-wrs
+ os=-vxworks
+ ;;
+ vxworks68)
+ basic_machine=m68k-wrs
+ os=-vxworks
+ ;;
+ vxworks29k)
+ basic_machine=a29k-wrs
+ os=-vxworks
+ ;;
+ w65*)
+ basic_machine=w65-wdc
+ os=-none
+ ;;
+ w89k-*)
+ basic_machine=hppa1.1-winbond
+ os=-proelf
+ ;;
+ xps | xps100)
+ basic_machine=xps100-honeywell
+ ;;
+ ymp)
+ basic_machine=ymp-cray
+ os=-unicos
+ ;;
+ z8k-*-coff)
+ basic_machine=z8k-unknown
+ os=-sim
+ ;;
+ none)
+ basic_machine=none-none
+ os=-none
+ ;;
+
+# Here we handle the default manufacturer of certain CPU types. It is in
+# some cases the only manufacturer, in others, it is the most popular.
+ w89k)
+ basic_machine=hppa1.1-winbond
+ ;;
+ op50n)
+ basic_machine=hppa1.1-oki
+ ;;
+ op60c)
+ basic_machine=hppa1.1-oki
+ ;;
+ romp)
+ basic_machine=romp-ibm
+ ;;
+ mmix)
+ basic_machine=mmix-knuth
+ ;;
+ rs6000)
+ basic_machine=rs6000-ibm
+ ;;
+ vax)
+ basic_machine=vax-dec
+ ;;
+ pdp10)
+ # there are many clones, so DEC is not a safe bet
+ basic_machine=pdp10-unknown
+ ;;
+ pdp11)
+ basic_machine=pdp11-dec
+ ;;
+ we32k)
+ basic_machine=we32k-att
+ ;;
+ sh3 | sh4 | sh[34]eb | sh[1234]le | sh[23]ele)
+ basic_machine=sh-unknown
+ ;;
+ sh64)
+ basic_machine=sh64-unknown
+ ;;
+ sparc | sparcv8 | sparcv9 | sparcv9b)
+ basic_machine=sparc-sun
+ ;;
+ cydra)
+ basic_machine=cydra-cydrome
+ ;;
+ orion)
+ basic_machine=orion-highlevel
+ ;;
+ orion105)
+ basic_machine=clipper-highlevel
+ ;;
+ mac | mpw | mac-mpw)
+ basic_machine=m68k-apple
+ ;;
+ pmac | pmac-mpw)
+ basic_machine=powerpc-apple
+ ;;
+ *-unknown)
+ # Make sure to match an already-canonicalized machine name.
+ ;;
+ *)
+ echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2
+ exit 1
+ ;;
+esac
+
+# Here we canonicalize certain aliases for manufacturers.
+case $basic_machine in
+ *-digital*)
+ basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'`
+ ;;
+ *-commodore*)
+ basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'`
+ ;;
+ *)
+ ;;
+esac
+
+# Decode manufacturer-specific aliases for certain operating systems.
+
+if [ x"$os" != x"" ]
+then
+case $os in
+ # First match some system type aliases
+ # that might get confused with valid system types.
+ # -solaris* is a basic system type, with this one exception.
+ -solaris1 | -solaris1.*)
+ os=`echo $os | sed -e 's|solaris1|sunos4|'`
+ ;;
+ -solaris)
+ os=-solaris2
+ ;;
+ -svr4*)
+ os=-sysv4
+ ;;
+ -unixware*)
+ os=-sysv4.2uw
+ ;;
+ -gnu/linux*)
+ os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'`
+ ;;
+ # First accept the basic system types.
+ # The portable systems comes first.
+ # Each alternative MUST END IN A *, to match a version number.
+ # -sysv* is not here because it comes later, after sysvr4.
+ -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
+ | -*vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[34]*\
+ | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \
+ | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
+ | -aos* \
+ | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
+ | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
+ | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* | -openbsd* \
+ | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
+ | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
+ | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
+ | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+ | -chorusos* | -chorusrdb* \
+ | -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
+ | -mingw32* | -linux-gnu* | -linux-uclibc* | -uxpv* | -beos* | -mpeix* | -udk* \
+ | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
+ | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
+ | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \
+ | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
+ | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
+ | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly*)
+ # Remember, each alternative MUST END IN *, to match a version number.
+ ;;
+ -qnx*)
+ case $basic_machine in
+ x86-* | i*86-*)
+ ;;
+ *)
+ os=-nto$os
+ ;;
+ esac
+ ;;
+ -nto-qnx*)
+ ;;
+ -nto*)
+ os=`echo $os | sed -e 's|nto|nto-qnx|'`
+ ;;
+ -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \
+ | -windows* | -osx | -abug | -netware* | -os9* | -beos* \
+ | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*)
+ ;;
+ -mac*)
+ os=`echo $os | sed -e 's|mac|macos|'`
+ ;;
+ -linux-dietlibc)
+ os=-linux-dietlibc
+ ;;
+ -linux*)
+ os=`echo $os | sed -e 's|linux|linux-gnu|'`
+ ;;
+ -sunos5*)
+ os=`echo $os | sed -e 's|sunos5|solaris2|'`
+ ;;
+ -sunos6*)
+ os=`echo $os | sed -e 's|sunos6|solaris3|'`
+ ;;
+ -opened*)
+ os=-openedition
+ ;;
+ -os400*)
+ os=-os400
+ ;;
+ -wince*)
+ os=-wince
+ ;;
+ -osfrose*)
+ os=-osfrose
+ ;;
+ -osf*)
+ os=-osf
+ ;;
+ -utek*)
+ os=-bsd
+ ;;
+ -dynix*)
+ os=-bsd
+ ;;
+ -acis*)
+ os=-aos
+ ;;
+ -atheos*)
+ os=-atheos
+ ;;
+ -syllable*)
+ os=-syllable
+ ;;
+ -386bsd)
+ os=-bsd
+ ;;
+ -ctix* | -uts*)
+ os=-sysv
+ ;;
+ -nova*)
+ os=-rtmk-nova
+ ;;
+ -ns2 )
+ os=-nextstep2
+ ;;
+ -nsk*)
+ os=-nsk
+ ;;
+ # Preserve the version number of sinix5.
+ -sinix5.*)
+ os=`echo $os | sed -e 's|sinix|sysv|'`
+ ;;
+ -sinix*)
+ os=-sysv4
+ ;;
+ -tpf*)
+ os=-tpf
+ ;;
+ -triton*)
+ os=-sysv3
+ ;;
+ -oss*)
+ os=-sysv3
+ ;;
+ -svr4)
+ os=-sysv4
+ ;;
+ -svr3)
+ os=-sysv3
+ ;;
+ -sysvr4)
+ os=-sysv4
+ ;;
+ # This must come after -sysvr4.
+ -sysv*)
+ ;;
+ -ose*)
+ os=-ose
+ ;;
+ -es1800*)
+ os=-ose
+ ;;
+ -xenix)
+ os=-xenix
+ ;;
+ -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+ os=-mint
+ ;;
+ -aros*)
+ os=-aros
+ ;;
+ -kaos*)
+ os=-kaos
+ ;;
+ -none)
+ ;;
+ *)
+ # Get rid of the `-' at the beginning of $os.
+ os=`echo $os | sed 's/[^-]*-//'`
+ echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2
+ exit 1
+ ;;
+esac
+else
+
+# Here we handle the default operating systems that come with various machines.
+# The value should be what the vendor currently ships out the door with their
+# machine or put another way, the most popular os provided with the machine.
+
+# Note that if you're going to try to match "-MANUFACTURER" here (say,
+# "-sun"), then you have to tell the case statement up towards the top
+# that MANUFACTURER isn't an operating system. Otherwise, code above
+# will signal an error saying that MANUFACTURER isn't an operating
+# system, and we'll never get to this point.
+
+case $basic_machine in
+ *-acorn)
+ os=-riscix1.2
+ ;;
+ arm*-rebel)
+ os=-linux
+ ;;
+ arm*-semi)
+ os=-aout
+ ;;
+ c4x-* | tic4x-*)
+ os=-coff
+ ;;
+ # This must come before the *-dec entry.
+ pdp10-*)
+ os=-tops20
+ ;;
+ pdp11-*)
+ os=-none
+ ;;
+ *-dec | vax-*)
+ os=-ultrix4.2
+ ;;
+ m68*-apollo)
+ os=-domain
+ ;;
+ i386-sun)
+ os=-sunos4.0.2
+ ;;
+ m68000-sun)
+ os=-sunos3
+ # This also exists in the configure program, but was not the
+ # default.
+ # os=-sunos4
+ ;;
+ m68*-cisco)
+ os=-aout
+ ;;
+ mips*-cisco)
+ os=-elf
+ ;;
+ mips*-*)
+ os=-elf
+ ;;
+ or32-*)
+ os=-coff
+ ;;
+ *-tti) # must be before sparc entry or we get the wrong os.
+ os=-sysv3
+ ;;
+ sparc-* | *-sun)
+ os=-sunos4.1.1
+ ;;
+ *-be)
+ os=-beos
+ ;;
+ *-ibm)
+ os=-aix
+ ;;
+ *-knuth)
+ os=-mmixware
+ ;;
+ *-wec)
+ os=-proelf
+ ;;
+ *-winbond)
+ os=-proelf
+ ;;
+ *-oki)
+ os=-proelf
+ ;;
+ *-hp)
+ os=-hpux
+ ;;
+ *-hitachi)
+ os=-hiux
+ ;;
+ i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent)
+ os=-sysv
+ ;;
+ *-cbm)
+ os=-amigaos
+ ;;
+ *-dg)
+ os=-dgux
+ ;;
+ *-dolphin)
+ os=-sysv3
+ ;;
+ m68k-ccur)
+ os=-rtu
+ ;;
+ m88k-omron*)
+ os=-luna
+ ;;
+ *-next )
+ os=-nextstep
+ ;;
+ *-sequent)
+ os=-ptx
+ ;;
+ *-crds)
+ os=-unos
+ ;;
+ *-ns)
+ os=-genix
+ ;;
+ i370-*)
+ os=-mvs
+ ;;
+ *-next)
+ os=-nextstep3
+ ;;
+ *-gould)
+ os=-sysv
+ ;;
+ *-highlevel)
+ os=-bsd
+ ;;
+ *-encore)
+ os=-bsd
+ ;;
+ *-sgi)
+ os=-irix
+ ;;
+ *-siemens)
+ os=-sysv4
+ ;;
+ *-masscomp)
+ os=-rtu
+ ;;
+ f30[01]-fujitsu | f700-fujitsu)
+ os=-uxpv
+ ;;
+ *-rom68k)
+ os=-coff
+ ;;
+ *-*bug)
+ os=-coff
+ ;;
+ *-apple)
+ os=-macos
+ ;;
+ *-atari*)
+ os=-mint
+ ;;
+ *)
+ os=-none
+ ;;
+esac
+fi
+
+# Here we handle the case where we know the os, and the CPU type, but not the
+# manufacturer. We pick the logical manufacturer.
+vendor=unknown
+case $basic_machine in
+ *-unknown)
+ case $os in
+ -riscix*)
+ vendor=acorn
+ ;;
+ -sunos*)
+ vendor=sun
+ ;;
+ -aix*)
+ vendor=ibm
+ ;;
+ -beos*)
+ vendor=be
+ ;;
+ -hpux*)
+ vendor=hp
+ ;;
+ -mpeix*)
+ vendor=hp
+ ;;
+ -hiux*)
+ vendor=hitachi
+ ;;
+ -unos*)
+ vendor=crds
+ ;;
+ -dgux*)
+ vendor=dg
+ ;;
+ -luna*)
+ vendor=omron
+ ;;
+ -genix*)
+ vendor=ns
+ ;;
+ -mvs* | -opened*)
+ vendor=ibm
+ ;;
+ -os400*)
+ vendor=ibm
+ ;;
+ -ptx*)
+ vendor=sequent
+ ;;
+ -tpf*)
+ vendor=ibm
+ ;;
+ -vxsim* | -vxworks* | -windiss*)
+ vendor=wrs
+ ;;
+ -aux*)
+ vendor=apple
+ ;;
+ -hms*)
+ vendor=hitachi
+ ;;
+ -mpw* | -macos*)
+ vendor=apple
+ ;;
+ -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*)
+ vendor=atari
+ ;;
+ -vos*)
+ vendor=stratus
+ ;;
+ esac
+ basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"`
+ ;;
+esac
+
+echo $basic_machine$os
+exit 0
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "timestamp='"
+# time-stamp-format: "%:y-%02m-%02d"
+# time-stamp-end: "'"
+# End:
diff --git a/config_in.h b/config_in.h
new file mode 100644
index 0000000..5951861
--- /dev/null
+++ b/config_in.h
@@ -0,0 +1,170 @@
+/* config_in.h. Generated from configure.in by autoheader. */
+
+/* Define if building for a CISC machine (e.g. Intel). */
+#undef CPU_CISC
+
+/* Define if building for a RISC machine (assume slow byte access). */
+#undef CPU_RISC
+
+/* Path to random device */
+#undef DEV_URANDOM
+
+/* Define to compile in dynamic debugging system. */
+#undef ENABLE_DEBUGGING
+
+/* Report errors to this file. */
+#undef ERR_REPORTING_FILE
+
+/* Define to use logging to stdout. */
+#undef ERR_REPORTING_STDOUT
+
+/* Define this to use ISMAcryp code. */
+#undef GENERIC_AESICM
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#undef HAVE_ARPA_INET_H
+
+/* Define to 1 if you have the <byteswap.h> header file. */
+#undef HAVE_BYTESWAP_H
+
+/* Define to 1 if you have the `inet_aton' function. */
+#undef HAVE_INET_ATON
+
+/* Define to 1 if the system has the type `int16_t'. */
+#undef HAVE_INT16_T
+
+/* Define to 1 if the system has the type `int32_t'. */
+#undef HAVE_INT32_T
+
+/* Define to 1 if the system has the type `int8_t'. */
+#undef HAVE_INT8_T
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#undef HAVE_INTTYPES_H
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+#undef HAVE_LIBSOCKET
+
+/* Define to 1 if you have the <machine/types.h> header file. */
+#undef HAVE_MACHINE_TYPES_H
+
+/* Define to 1 if you have the <memory.h> header file. */
+#undef HAVE_MEMORY_H
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#undef HAVE_NETINET_IN_H
+
+/* Define to 1 if you have the `socket' function. */
+#undef HAVE_SOCKET
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#undef HAVE_STDINT_H
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#undef HAVE_STDLIB_H
+
+/* Define to 1 if you have the <strings.h> header file. */
+#undef HAVE_STRINGS_H
+
+/* Define to 1 if you have the <string.h> header file. */
+#undef HAVE_STRING_H
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#undef HAVE_SYSLOG_H
+
+/* Define to 1 if you have the <sys/int_types.h> header file. */
+#undef HAVE_SYS_INT_TYPES_H
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#undef HAVE_SYS_SOCKET_H
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#undef HAVE_SYS_STAT_H
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#undef HAVE_SYS_TYPES_H
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#undef HAVE_SYS_UIO_H
+
+/* Define to 1 if the system has the type `uint16_t'. */
+#undef HAVE_UINT16_T
+
+/* Define to 1 if the system has the type `uint32_t'. */
+#undef HAVE_UINT32_T
+
+/* Define to 1 if the system has the type `uint64_t'. */
+#undef HAVE_UINT64_T
+
+/* Define to 1 if the system has the type `uint8_t'. */
+#undef HAVE_UINT8_T
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#undef HAVE_UNISTD_H
+
+/* Define to 1 if you have the `usleep' function. */
+#undef HAVE_USLEEP
+
+/* Define to 1 if you have the <windows.h> header file. */
+#undef HAVE_WINDOWS_H
+
+/* Define to 1 if you have the <winsock2.h> header file. */
+#undef HAVE_WINSOCK2_H
+
+/* Define to use X86 inlined assembly code */
+#undef HAVE_X86
+
+/* Define to the address where bug reports for this package should be sent. */
+#undef PACKAGE_BUGREPORT
+
+/* Define to the full name of this package. */
+#undef PACKAGE_NAME
+
+/* Define to the full name and version of this package. */
+#undef PACKAGE_STRING
+
+/* Define to the one symbol short name of this package. */
+#undef PACKAGE_TARNAME
+
+/* Define to the version of this package. */
+#undef PACKAGE_VERSION
+
+/* The size of a `unsigned long', as computed by sizeof. */
+#undef SIZEOF_UNSIGNED_LONG
+
+/* The size of a `unsigned long long', as computed by sizeof. */
+#undef SIZEOF_UNSIGNED_LONG_LONG
+
+/* Define to use GDOI. */
+#undef SRTP_GDOI
+
+/* Define to compile for kernel contexts. */
+#undef SRTP_KERNEL
+
+/* Define to compile for Linux kernel context. */
+#undef SRTP_KERNEL_LINUX
+
+/* Define to 1 if you have the ANSI C header files. */
+#undef STDC_HEADERS
+
+/* Write errors to this file */
+#undef USE_ERR_REPORTING_FILE
+
+/* Define to use syslog logging. */
+#undef USE_SYSLOG
+
+/* Define to 1 if your processor stores words with the most significant byte
+ first (like Motorola and SPARC, unlike Intel and VAX). */
+#undef WORDS_BIGENDIAN
+
+/* Define to empty if `const' does not conform to ANSI C. */
+#undef const
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+ calls it, or to nothing if 'inline' is not supported under any name. */
+#ifndef __cplusplus
+#undef inline
+#endif
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+#undef size_t
diff --git a/configure b/configure
new file mode 100755
index 0000000..1bc6fc4
--- /dev/null
+++ b/configure
@@ -0,0 +1,8606 @@
+#! /bin/sh
+# Guess values for system-dependent variables and create Makefiles.
+# Generated by GNU Autoconf 2.59.
+#
+# Copyright (C) 2003 Free Software Foundation, Inc.
+# This configure script is free software; the Free Software Foundation
+# gives unlimited permission to copy, distribute and modify it.
+## --------------------- ##
+## M4sh Initialization. ##
+## --------------------- ##
+
+# Be Bourne compatible
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
+ set -o posix
+fi
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+ as_unset=unset
+else
+ as_unset=false
+fi
+
+
+# Work around bugs in pre-3.0 UWIN ksh.
+$as_unset ENV MAIL MAILPATH
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+for as_var in \
+ LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
+ LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
+ LC_TELEPHONE LC_TIME
+do
+ if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
+ eval $as_var=C; export $as_var
+ else
+ $as_unset $as_var
+ fi
+done
+
+# Required to use basename.
+if expr a : '\(a\)' >/dev/null 2>&1; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then
+ as_basename=basename
+else
+ as_basename=false
+fi
+
+
+# Name of the executable.
+as_me=`$as_basename "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+ X"$0" : 'X\(//\)$' \| \
+ X"$0" : 'X\(/\)$' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X/"$0" |
+ sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
+ /^X\/\(\/\/\)$/{ s//\1/; q; }
+ /^X\/\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+
+
+# PATH needs CR, and LINENO needs CR and PATH.
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ echo "#! /bin/sh" >conf$$.sh
+ echo "exit 0" >>conf$$.sh
+ chmod +x conf$$.sh
+ if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+ PATH_SEPARATOR=';'
+ else
+ PATH_SEPARATOR=:
+ fi
+ rm -f conf$$.sh
+fi
+
+
+ as_lineno_1=$LINENO
+ as_lineno_2=$LINENO
+ as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+ test "x$as_lineno_1" != "x$as_lineno_2" &&
+ test "x$as_lineno_3" = "x$as_lineno_2" || {
+ # Find who we are. Look in the path if we contain no path at all
+ # relative or not.
+ case $0 in
+ *[\\/]* ) as_myself=$0 ;;
+ *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+
+ ;;
+ esac
+ # We did not find ourselves, most probably we were run as `sh COMMAND'
+ # in which case we are not to be found in the path.
+ if test "x$as_myself" = x; then
+ as_myself=$0
+ fi
+ if test ! -f "$as_myself"; then
+ { echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2
+ { (exit 1); exit 1; }; }
+ fi
+ case $CONFIG_SHELL in
+ '')
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for as_base in sh bash ksh sh5; do
+ case $as_dir in
+ /*)
+ if ("$as_dir/$as_base" -c '
+ as_lineno_1=$LINENO
+ as_lineno_2=$LINENO
+ as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+ test "x$as_lineno_1" != "x$as_lineno_2" &&
+ test "x$as_lineno_3" = "x$as_lineno_2" ') 2>/dev/null; then
+ $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; }
+ $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; }
+ CONFIG_SHELL=$as_dir/$as_base
+ export CONFIG_SHELL
+ exec "$CONFIG_SHELL" "$0" ${1+"$@"}
+ fi;;
+ esac
+ done
+done
+;;
+ esac
+
+ # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+ # uniformly replaced by the line number. The first 'sed' inserts a
+ # line-number line before each line; the second 'sed' does the real
+ # work. The second script uses 'N' to pair each line-number line
+ # with the numbered line, and appends trailing '-' during
+ # substitution so that $LINENO is not a special case at line end.
+ # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+ # second 'sed' script. Blame Lee E. McMahon for sed's syntax. :-)
+ sed '=' <$as_myself |
+ sed '
+ N
+ s,$,-,
+ : loop
+ s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
+ t loop
+ s,-$,,
+ s,^['$as_cr_digits']*\n,,
+ ' >$as_me.lineno &&
+ chmod +x $as_me.lineno ||
+ { echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
+ { (exit 1); exit 1; }; }
+
+ # Don't try to exec as it changes $[0], causing all sort of problems
+ # (the dirname of $[0] is not the place where we might find the
+ # original and so on. Autoconf is especially sensible to this).
+ . ./$as_me.lineno
+ # Exit status is that of the last command.
+ exit
+}
+
+
+case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
+ *c*,-n*) ECHO_N= ECHO_C='
+' ECHO_T=' ' ;;
+ *c*,* ) ECHO_N=-n ECHO_C= ECHO_T= ;;
+ *) ECHO_N= ECHO_C='\c' ECHO_T= ;;
+esac
+
+if expr a : '\(a\)' >/dev/null 2>&1; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+ # We could just check for DJGPP; but this test a) works b) is more generic
+ # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
+ if test -f conf$$.exe; then
+ # Don't use ln at all; we don't have any links
+ as_ln_s='cp -p'
+ else
+ as_ln_s='ln -s'
+ fi
+elif ln conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s=ln
+else
+ as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.file
+
+if mkdir -p . 2>/dev/null; then
+ as_mkdir_p=:
+else
+ test -d ./-p && rmdir ./-p
+ as_mkdir_p=false
+fi
+
+as_executable_p="test -f"
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.
+as_nl='
+'
+IFS=" $as_nl"
+
+# CDPATH.
+$as_unset CDPATH
+
+
+# Name of the host.
+# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# so uname gets run too.
+ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
+
+exec 6>&1
+
+#
+# Initializations.
+#
+ac_default_prefix=/usr/local
+ac_config_libobj_dir=.
+cross_compiling=no
+subdirs=
+MFLAGS=
+MAKEFLAGS=
+SHELL=${CONFIG_SHELL-/bin/sh}
+
+# Maximum number of lines to put in a shell here document.
+# This variable seems obsolete. It should probably be removed, and
+# only ac_max_sed_lines should be used.
+: ${ac_max_here_lines=38}
+
+# Identity of this package.
+PACKAGE_NAME=
+PACKAGE_TARNAME=
+PACKAGE_VERSION=
+PACKAGE_STRING=
+PACKAGE_BUGREPORT=
+
+ac_unique_file="srtp"
+# Factoring default headers for most tests.
+ac_includes_default="\
+#include <stdio.h>
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#if HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#if STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# if HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif
+#if HAVE_STRING_H
+# if !STDC_HEADERS && HAVE_MEMORY_H
+# include <memory.h>
+# endif
+# include <string.h>
+#endif
+#if HAVE_STRINGS_H
+# include <strings.h>
+#endif
+#if HAVE_INTTYPES_H
+# include <inttypes.h>
+#else
+# if HAVE_STDINT_H
+# include <stdint.h>
+# endif
+#endif
+#if HAVE_UNISTD_H
+# include <unistd.h>
+#endif"
+
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS RANLIB ac_ct_RANLIB CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA build build_cpu build_vendor build_os host host_cpu host_vendor host_os EXE RNG_OBJS CPP EGREP GDOI_OBJS LIBOBJS LTLIBOBJS'
+ac_subst_files=''
+
+# Initialize some variables set by options.
+ac_init_help=
+ac_init_version=false
+# The variables have the same names as the options, with
+# dashes changed to underlines.
+cache_file=/dev/null
+exec_prefix=NONE
+no_create=
+no_recursion=
+prefix=NONE
+program_prefix=NONE
+program_suffix=NONE
+program_transform_name=s,x,x,
+silent=
+site=
+srcdir=
+verbose=
+x_includes=NONE
+x_libraries=NONE
+
+# Installation directory options.
+# These are left unexpanded so users can "make install exec_prefix=/foo"
+# and all the variables that are supposed to be based on exec_prefix
+# by default will actually change.
+# Use braces instead of parens because sh, perl, etc. also accept them.
+bindir='${exec_prefix}/bin'
+sbindir='${exec_prefix}/sbin'
+libexecdir='${exec_prefix}/libexec'
+datadir='${prefix}/share'
+sysconfdir='${prefix}/etc'
+sharedstatedir='${prefix}/com'
+localstatedir='${prefix}/var'
+libdir='${exec_prefix}/lib'
+includedir='${prefix}/include'
+oldincludedir='/usr/include'
+infodir='${prefix}/info'
+mandir='${prefix}/man'
+
+ac_prev=
+for ac_option
+do
+ # If the previous option needs an argument, assign it.
+ if test -n "$ac_prev"; then
+ eval "$ac_prev=\$ac_option"
+ ac_prev=
+ continue
+ fi
+
+ ac_optarg=`expr "x$ac_option" : 'x[^=]*=\(.*\)'`
+
+ # Accept the important Cygnus configure options, so we can diagnose typos.
+
+ case $ac_option in
+
+ -bindir | --bindir | --bindi | --bind | --bin | --bi)
+ ac_prev=bindir ;;
+ -bindir=* | --bindir=* | --bindi=* | --bind=* | --bin=* | --bi=*)
+ bindir=$ac_optarg ;;
+
+ -build | --build | --buil | --bui | --bu)
+ ac_prev=build_alias ;;
+ -build=* | --build=* | --buil=* | --bui=* | --bu=*)
+ build_alias=$ac_optarg ;;
+
+ -cache-file | --cache-file | --cache-fil | --cache-fi \
+ | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
+ ac_prev=cache_file ;;
+ -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
+ | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
+ cache_file=$ac_optarg ;;
+
+ --config-cache | -C)
+ cache_file=config.cache ;;
+
+ -datadir | --datadir | --datadi | --datad | --data | --dat | --da)
+ ac_prev=datadir ;;
+ -datadir=* | --datadir=* | --datadi=* | --datad=* | --data=* | --dat=* \
+ | --da=*)
+ datadir=$ac_optarg ;;
+
+ -disable-* | --disable-*)
+ ac_feature=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
+ # Reject names that are not valid shell variable names.
+ expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
+ { echo "$as_me: error: invalid feature name: $ac_feature" >&2
+ { (exit 1); exit 1; }; }
+ ac_feature=`echo $ac_feature | sed 's/-/_/g'`
+ eval "enable_$ac_feature=no" ;;
+
+ -enable-* | --enable-*)
+ ac_feature=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
+ # Reject names that are not valid shell variable names.
+ expr "x$ac_feature" : ".*[^-_$as_cr_alnum]" >/dev/null &&
+ { echo "$as_me: error: invalid feature name: $ac_feature" >&2
+ { (exit 1); exit 1; }; }
+ ac_feature=`echo $ac_feature | sed 's/-/_/g'`
+ case $ac_option in
+ *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
+ *) ac_optarg=yes ;;
+ esac
+ eval "enable_$ac_feature='$ac_optarg'" ;;
+
+ -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
+ | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
+ | --exec | --exe | --ex)
+ ac_prev=exec_prefix ;;
+ -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
+ | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
+ | --exec=* | --exe=* | --ex=*)
+ exec_prefix=$ac_optarg ;;
+
+ -gas | --gas | --ga | --g)
+ # Obsolete; use --with-gas.
+ with_gas=yes ;;
+
+ -help | --help | --hel | --he | -h)
+ ac_init_help=long ;;
+ -help=r* | --help=r* | --hel=r* | --he=r* | -hr*)
+ ac_init_help=recursive ;;
+ -help=s* | --help=s* | --hel=s* | --he=s* | -hs*)
+ ac_init_help=short ;;
+
+ -host | --host | --hos | --ho)
+ ac_prev=host_alias ;;
+ -host=* | --host=* | --hos=* | --ho=*)
+ host_alias=$ac_optarg ;;
+
+ -includedir | --includedir | --includedi | --included | --include \
+ | --includ | --inclu | --incl | --inc)
+ ac_prev=includedir ;;
+ -includedir=* | --includedir=* | --includedi=* | --included=* | --include=* \
+ | --includ=* | --inclu=* | --incl=* | --inc=*)
+ includedir=$ac_optarg ;;
+
+ -infodir | --infodir | --infodi | --infod | --info | --inf)
+ ac_prev=infodir ;;
+ -infodir=* | --infodir=* | --infodi=* | --infod=* | --info=* | --inf=*)
+ infodir=$ac_optarg ;;
+
+ -libdir | --libdir | --libdi | --libd)
+ ac_prev=libdir ;;
+ -libdir=* | --libdir=* | --libdi=* | --libd=*)
+ libdir=$ac_optarg ;;
+
+ -libexecdir | --libexecdir | --libexecdi | --libexecd | --libexec \
+ | --libexe | --libex | --libe)
+ ac_prev=libexecdir ;;
+ -libexecdir=* | --libexecdir=* | --libexecdi=* | --libexecd=* | --libexec=* \
+ | --libexe=* | --libex=* | --libe=*)
+ libexecdir=$ac_optarg ;;
+
+ -localstatedir | --localstatedir | --localstatedi | --localstated \
+ | --localstate | --localstat | --localsta | --localst \
+ | --locals | --local | --loca | --loc | --lo)
+ ac_prev=localstatedir ;;
+ -localstatedir=* | --localstatedir=* | --localstatedi=* | --localstated=* \
+ | --localstate=* | --localstat=* | --localsta=* | --localst=* \
+ | --locals=* | --local=* | --loca=* | --loc=* | --lo=*)
+ localstatedir=$ac_optarg ;;
+
+ -mandir | --mandir | --mandi | --mand | --man | --ma | --m)
+ ac_prev=mandir ;;
+ -mandir=* | --mandir=* | --mandi=* | --mand=* | --man=* | --ma=* | --m=*)
+ mandir=$ac_optarg ;;
+
+ -nfp | --nfp | --nf)
+ # Obsolete; use --without-fp.
+ with_fp=no ;;
+
+ -no-create | --no-create | --no-creat | --no-crea | --no-cre \
+ | --no-cr | --no-c | -n)
+ no_create=yes ;;
+
+ -no-recursion | --no-recursion | --no-recursio | --no-recursi \
+ | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
+ no_recursion=yes ;;
+
+ -oldincludedir | --oldincludedir | --oldincludedi | --oldincluded \
+ | --oldinclude | --oldinclud | --oldinclu | --oldincl | --oldinc \
+ | --oldin | --oldi | --old | --ol | --o)
+ ac_prev=oldincludedir ;;
+ -oldincludedir=* | --oldincludedir=* | --oldincludedi=* | --oldincluded=* \
+ | --oldinclude=* | --oldinclud=* | --oldinclu=* | --oldincl=* | --oldinc=* \
+ | --oldin=* | --oldi=* | --old=* | --ol=* | --o=*)
+ oldincludedir=$ac_optarg ;;
+
+ -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
+ ac_prev=prefix ;;
+ -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
+ prefix=$ac_optarg ;;
+
+ -program-prefix | --program-prefix | --program-prefi | --program-pref \
+ | --program-pre | --program-pr | --program-p)
+ ac_prev=program_prefix ;;
+ -program-prefix=* | --program-prefix=* | --program-prefi=* \
+ | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
+ program_prefix=$ac_optarg ;;
+
+ -program-suffix | --program-suffix | --program-suffi | --program-suff \
+ | --program-suf | --program-su | --program-s)
+ ac_prev=program_suffix ;;
+ -program-suffix=* | --program-suffix=* | --program-suffi=* \
+ | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
+ program_suffix=$ac_optarg ;;
+
+ -program-transform-name | --program-transform-name \
+ | --program-transform-nam | --program-transform-na \
+ | --program-transform-n | --program-transform- \
+ | --program-transform | --program-transfor \
+ | --program-transfo | --program-transf \
+ | --program-trans | --program-tran \
+ | --progr-tra | --program-tr | --program-t)
+ ac_prev=program_transform_name ;;
+ -program-transform-name=* | --program-transform-name=* \
+ | --program-transform-nam=* | --program-transform-na=* \
+ | --program-transform-n=* | --program-transform-=* \
+ | --program-transform=* | --program-transfor=* \
+ | --program-transfo=* | --program-transf=* \
+ | --program-trans=* | --program-tran=* \
+ | --progr-tra=* | --program-tr=* | --program-t=*)
+ program_transform_name=$ac_optarg ;;
+
+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+ | -silent | --silent | --silen | --sile | --sil)
+ silent=yes ;;
+
+ -sbindir | --sbindir | --sbindi | --sbind | --sbin | --sbi | --sb)
+ ac_prev=sbindir ;;
+ -sbindir=* | --sbindir=* | --sbindi=* | --sbind=* | --sbin=* \
+ | --sbi=* | --sb=*)
+ sbindir=$ac_optarg ;;
+
+ -sharedstatedir | --sharedstatedir | --sharedstatedi \
+ | --sharedstated | --sharedstate | --sharedstat | --sharedsta \
+ | --sharedst | --shareds | --shared | --share | --shar \
+ | --sha | --sh)
+ ac_prev=sharedstatedir ;;
+ -sharedstatedir=* | --sharedstatedir=* | --sharedstatedi=* \
+ | --sharedstated=* | --sharedstate=* | --sharedstat=* | --sharedsta=* \
+ | --sharedst=* | --shareds=* | --shared=* | --share=* | --shar=* \
+ | --sha=* | --sh=*)
+ sharedstatedir=$ac_optarg ;;
+
+ -site | --site | --sit)
+ ac_prev=site ;;
+ -site=* | --site=* | --sit=*)
+ site=$ac_optarg ;;
+
+ -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
+ ac_prev=srcdir ;;
+ -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
+ srcdir=$ac_optarg ;;
+
+ -sysconfdir | --sysconfdir | --sysconfdi | --sysconfd | --sysconf \
+ | --syscon | --sysco | --sysc | --sys | --sy)
+ ac_prev=sysconfdir ;;
+ -sysconfdir=* | --sysconfdir=* | --sysconfdi=* | --sysconfd=* | --sysconf=* \
+ | --syscon=* | --sysco=* | --sysc=* | --sys=* | --sy=*)
+ sysconfdir=$ac_optarg ;;
+
+ -target | --target | --targe | --targ | --tar | --ta | --t)
+ ac_prev=target_alias ;;
+ -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
+ target_alias=$ac_optarg ;;
+
+ -v | -verbose | --verbose | --verbos | --verbo | --verb)
+ verbose=yes ;;
+
+ -version | --version | --versio | --versi | --vers | -V)
+ ac_init_version=: ;;
+
+ -with-* | --with-*)
+ ac_package=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
+ # Reject names that are not valid shell variable names.
+ expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
+ { echo "$as_me: error: invalid package name: $ac_package" >&2
+ { (exit 1); exit 1; }; }
+ ac_package=`echo $ac_package| sed 's/-/_/g'`
+ case $ac_option in
+ *=*) ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`;;
+ *) ac_optarg=yes ;;
+ esac
+ eval "with_$ac_package='$ac_optarg'" ;;
+
+ -without-* | --without-*)
+ ac_package=`expr "x$ac_option" : 'x-*without-\(.*\)'`
+ # Reject names that are not valid shell variable names.
+ expr "x$ac_package" : ".*[^-_$as_cr_alnum]" >/dev/null &&
+ { echo "$as_me: error: invalid package name: $ac_package" >&2
+ { (exit 1); exit 1; }; }
+ ac_package=`echo $ac_package | sed 's/-/_/g'`
+ eval "with_$ac_package=no" ;;
+
+ --x)
+ # Obsolete; use --with-x.
+ with_x=yes ;;
+
+ -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
+ | --x-incl | --x-inc | --x-in | --x-i)
+ ac_prev=x_includes ;;
+ -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
+ | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
+ x_includes=$ac_optarg ;;
+
+ -x-libraries | --x-libraries | --x-librarie | --x-librari \
+ | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
+ ac_prev=x_libraries ;;
+ -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
+ | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
+ x_libraries=$ac_optarg ;;
+
+ -*) { echo "$as_me: error: unrecognized option: $ac_option
+Try \`$0 --help' for more information." >&2
+ { (exit 1); exit 1; }; }
+ ;;
+
+ *=*)
+ ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
+ # Reject names that are not valid shell variable names.
+ expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
+ { echo "$as_me: error: invalid variable name: $ac_envvar" >&2
+ { (exit 1); exit 1; }; }
+ ac_optarg=`echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"`
+ eval "$ac_envvar='$ac_optarg'"
+ export $ac_envvar ;;
+
+ *)
+ # FIXME: should be removed in autoconf 3.0.
+ echo "$as_me: WARNING: you should use --build, --host, --target" >&2
+ expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
+ echo "$as_me: WARNING: invalid host type: $ac_option" >&2
+ : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+ ;;
+
+ esac
+done
+
+if test -n "$ac_prev"; then
+ ac_option=--`echo $ac_prev | sed 's/_/-/g'`
+ { echo "$as_me: error: missing argument to $ac_option" >&2
+ { (exit 1); exit 1; }; }
+fi
+
+# Be sure to have absolute paths.
+for ac_var in exec_prefix prefix
+do
+ eval ac_val=$`echo $ac_var`
+ case $ac_val in
+ [\\/$]* | ?:[\\/]* | NONE | '' ) ;;
+ *) { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
+ { (exit 1); exit 1; }; };;
+ esac
+done
+
+# Be sure to have absolute paths.
+for ac_var in bindir sbindir libexecdir datadir sysconfdir sharedstatedir \
+ localstatedir libdir includedir oldincludedir infodir mandir
+do
+ eval ac_val=$`echo $ac_var`
+ case $ac_val in
+ [\\/$]* | ?:[\\/]* ) ;;
+ *) { echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
+ { (exit 1); exit 1; }; };;
+ esac
+done
+
+# There might be people who depend on the old broken behavior: `$host'
+# used to hold the argument of --host etc.
+# FIXME: To remove some day.
+build=$build_alias
+host=$host_alias
+target=$target_alias
+
+# FIXME: To remove some day.
+if test "x$host_alias" != x; then
+ if test "x$build_alias" = x; then
+ cross_compiling=maybe
+ echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
+ If a cross compiler is detected then cross compile mode will be used." >&2
+ elif test "x$build_alias" != "x$host_alias"; then
+ cross_compiling=yes
+ fi
+fi
+
+ac_tool_prefix=
+test -n "$host_alias" && ac_tool_prefix=$host_alias-
+
+test "$silent" = yes && exec 6>/dev/null
+
+
+# Find the source files, if location was not specified.
+if test -z "$srcdir"; then
+ ac_srcdir_defaulted=yes
+ # Try the directory containing this script, then its parent.
+ ac_confdir=`(dirname "$0") 2>/dev/null ||
+$as_expr X"$0" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$0" : 'X\(//\)[^/]' \| \
+ X"$0" : 'X\(//\)$' \| \
+ X"$0" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$0" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ srcdir=$ac_confdir
+ if test ! -r $srcdir/$ac_unique_file; then
+ srcdir=..
+ fi
+else
+ ac_srcdir_defaulted=no
+fi
+if test ! -r $srcdir/$ac_unique_file; then
+ if test "$ac_srcdir_defaulted" = yes; then
+ { echo "$as_me: error: cannot find sources ($ac_unique_file) in $ac_confdir or .." >&2
+ { (exit 1); exit 1; }; }
+ else
+ { echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
+ { (exit 1); exit 1; }; }
+ fi
+fi
+(cd $srcdir && test -r ./$ac_unique_file) 2>/dev/null ||
+ { echo "$as_me: error: sources are in $srcdir, but \`cd $srcdir' does not work" >&2
+ { (exit 1); exit 1; }; }
+srcdir=`echo "$srcdir" | sed 's%\([^\\/]\)[\\/]*$%\1%'`
+ac_env_build_alias_set=${build_alias+set}
+ac_env_build_alias_value=$build_alias
+ac_cv_env_build_alias_set=${build_alias+set}
+ac_cv_env_build_alias_value=$build_alias
+ac_env_host_alias_set=${host_alias+set}
+ac_env_host_alias_value=$host_alias
+ac_cv_env_host_alias_set=${host_alias+set}
+ac_cv_env_host_alias_value=$host_alias
+ac_env_target_alias_set=${target_alias+set}
+ac_env_target_alias_value=$target_alias
+ac_cv_env_target_alias_set=${target_alias+set}
+ac_cv_env_target_alias_value=$target_alias
+ac_env_CC_set=${CC+set}
+ac_env_CC_value=$CC
+ac_cv_env_CC_set=${CC+set}
+ac_cv_env_CC_value=$CC
+ac_env_CFLAGS_set=${CFLAGS+set}
+ac_env_CFLAGS_value=$CFLAGS
+ac_cv_env_CFLAGS_set=${CFLAGS+set}
+ac_cv_env_CFLAGS_value=$CFLAGS
+ac_env_LDFLAGS_set=${LDFLAGS+set}
+ac_env_LDFLAGS_value=$LDFLAGS
+ac_cv_env_LDFLAGS_set=${LDFLAGS+set}
+ac_cv_env_LDFLAGS_value=$LDFLAGS
+ac_env_CPPFLAGS_set=${CPPFLAGS+set}
+ac_env_CPPFLAGS_value=$CPPFLAGS
+ac_cv_env_CPPFLAGS_set=${CPPFLAGS+set}
+ac_cv_env_CPPFLAGS_value=$CPPFLAGS
+ac_env_CPP_set=${CPP+set}
+ac_env_CPP_value=$CPP
+ac_cv_env_CPP_set=${CPP+set}
+ac_cv_env_CPP_value=$CPP
+
+#
+# Report the --help message.
+#
+if test "$ac_init_help" = "long"; then
+ # Omit some internal or obsolete options to make the list less imposing.
+ # This message is too long to be a string in the A/UX 3.1 sh.
+ cat <<_ACEOF
+\`configure' configures this package to adapt to many kinds of systems.
+
+Usage: $0 [OPTION]... [VAR=VALUE]...
+
+To assign environment variables (e.g., CC, CFLAGS...), specify them as
+VAR=VALUE. See below for descriptions of some of the useful variables.
+
+Defaults for the options are specified in brackets.
+
+Configuration:
+ -h, --help display this help and exit
+ --help=short display options specific to this package
+ --help=recursive display the short help of all the included packages
+ -V, --version display version information and exit
+ -q, --quiet, --silent do not print \`checking...' messages
+ --cache-file=FILE cache test results in FILE [disabled]
+ -C, --config-cache alias for \`--cache-file=config.cache'
+ -n, --no-create do not create output files
+ --srcdir=DIR find the sources in DIR [configure dir or \`..']
+
+_ACEOF
+
+ cat <<_ACEOF
+Installation directories:
+ --prefix=PREFIX install architecture-independent files in PREFIX
+ [$ac_default_prefix]
+ --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
+ [PREFIX]
+
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc. You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
+
+For better control, use the options below.
+
+Fine tuning of the installation directories:
+ --bindir=DIR user executables [EPREFIX/bin]
+ --sbindir=DIR system admin executables [EPREFIX/sbin]
+ --libexecdir=DIR program executables [EPREFIX/libexec]
+ --datadir=DIR read-only architecture-independent data [PREFIX/share]
+ --sysconfdir=DIR read-only single-machine data [PREFIX/etc]
+ --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com]
+ --localstatedir=DIR modifiable single-machine data [PREFIX/var]
+ --libdir=DIR object code libraries [EPREFIX/lib]
+ --includedir=DIR C header files [PREFIX/include]
+ --oldincludedir=DIR C header files for non-gcc [/usr/include]
+ --infodir=DIR info documentation [PREFIX/info]
+ --mandir=DIR man documentation [PREFIX/man]
+_ACEOF
+
+ cat <<\_ACEOF
+
+System types:
+ --build=BUILD configure for building on BUILD [guessed]
+ --host=HOST cross-compile to build programs to run on HOST [BUILD]
+_ACEOF
+fi
+
+if test -n "$ac_init_help"; then
+
+ cat <<\_ACEOF
+
+Optional Features:
+ --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
+ --enable-FEATURE[=ARG] include FEATURE [ARG=yes]
+ --enable-kernel-linux build library to run in Linux kernel context
+ --disable-debug do not compile in dynamic debugging system
+ --enable-generic-aesicm compile in changes for ISMAcryp
+ --enable-syslog use syslog for error reporting
+ --disable-stdout don't use stdout for error reporting
+ --enable-console use /dev/console for error reporting
+ --enable-gdoi enable GDOI key management
+
+Some influential environment variables:
+ CC C compiler command
+ CFLAGS C compiler flags
+ LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a
+ nonstandard directory <lib dir>
+ CPPFLAGS C/C++ preprocessor flags, e.g. -I<include dir> if you have
+ headers in a nonstandard directory <include dir>
+ CPP C preprocessor
+
+Use these variables to override the choices made by `configure' or to help
+it to find libraries and programs with nonstandard names/locations.
+
+_ACEOF
+fi
+
+if test "$ac_init_help" = "recursive"; then
+ # If there are subdirs, report their specific --help.
+ ac_popdir=`pwd`
+ for ac_dir in : $ac_subdirs_all; do test "x$ac_dir" = x: && continue
+ test -d $ac_dir || continue
+ ac_builddir=.
+
+if test "$ac_dir" != .; then
+ ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
+ # A "../" for each directory in $ac_dir_suffix.
+ ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
+else
+ ac_dir_suffix= ac_top_builddir=
+fi
+
+case $srcdir in
+ .) # No --srcdir option. We are building in place.
+ ac_srcdir=.
+ if test -z "$ac_top_builddir"; then
+ ac_top_srcdir=.
+ else
+ ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
+ fi ;;
+ [\\/]* | ?:[\\/]* ) # Absolute path.
+ ac_srcdir=$srcdir$ac_dir_suffix;
+ ac_top_srcdir=$srcdir ;;
+ *) # Relative path.
+ ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
+ ac_top_srcdir=$ac_top_builddir$srcdir ;;
+esac
+
+# Do not use `cd foo && pwd` to compute absolute paths, because
+# the directories may not exist.
+case `pwd` in
+.) ac_abs_builddir="$ac_dir";;
+*)
+ case "$ac_dir" in
+ .) ac_abs_builddir=`pwd`;;
+ [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
+ *) ac_abs_builddir=`pwd`/"$ac_dir";;
+ esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_builddir=${ac_top_builddir}.;;
+*)
+ case ${ac_top_builddir}. in
+ .) ac_abs_top_builddir=$ac_abs_builddir;;
+ [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
+ *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
+ esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_srcdir=$ac_srcdir;;
+*)
+ case $ac_srcdir in
+ .) ac_abs_srcdir=$ac_abs_builddir;;
+ [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
+ *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
+ esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_srcdir=$ac_top_srcdir;;
+*)
+ case $ac_top_srcdir in
+ .) ac_abs_top_srcdir=$ac_abs_builddir;;
+ [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
+ *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
+ esac;;
+esac
+
+ cd $ac_dir
+ # Check for guested configure; otherwise get Cygnus style configure.
+ if test -f $ac_srcdir/configure.gnu; then
+ echo
+ $SHELL $ac_srcdir/configure.gnu --help=recursive
+ elif test -f $ac_srcdir/configure; then
+ echo
+ $SHELL $ac_srcdir/configure --help=recursive
+ elif test -f $ac_srcdir/configure.ac ||
+ test -f $ac_srcdir/configure.in; then
+ echo
+ $ac_configure --help
+ else
+ echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
+ fi
+ cd $ac_popdir
+ done
+fi
+
+test -n "$ac_init_help" && exit 0
+if $ac_init_version; then
+ cat <<\_ACEOF
+
+Copyright (C) 2003 Free Software Foundation, Inc.
+This configure script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it.
+_ACEOF
+ exit 0
+fi
+exec 5>config.log
+cat >&5 <<_ACEOF
+This file contains any messages produced by compilers while
+running configure, to aid debugging if configure makes a mistake.
+
+It was created by $as_me, which was
+generated by GNU Autoconf 2.59. Invocation command line was
+
+ $ $0 $@
+
+_ACEOF
+{
+cat <<_ASUNAME
+## --------- ##
+## Platform. ##
+## --------- ##
+
+hostname = `(hostname || uname -n) 2>/dev/null | sed 1q`
+uname -m = `(uname -m) 2>/dev/null || echo unknown`
+uname -r = `(uname -r) 2>/dev/null || echo unknown`
+uname -s = `(uname -s) 2>/dev/null || echo unknown`
+uname -v = `(uname -v) 2>/dev/null || echo unknown`
+
+/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null || echo unknown`
+/bin/uname -X = `(/bin/uname -X) 2>/dev/null || echo unknown`
+
+/bin/arch = `(/bin/arch) 2>/dev/null || echo unknown`
+/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null || echo unknown`
+/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null || echo unknown`
+hostinfo = `(hostinfo) 2>/dev/null || echo unknown`
+/bin/machine = `(/bin/machine) 2>/dev/null || echo unknown`
+/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null || echo unknown`
+/bin/universe = `(/bin/universe) 2>/dev/null || echo unknown`
+
+_ASUNAME
+
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ echo "PATH: $as_dir"
+done
+
+} >&5
+
+cat >&5 <<_ACEOF
+
+
+## ----------- ##
+## Core tests. ##
+## ----------- ##
+
+_ACEOF
+
+
+# Keep a trace of the command line.
+# Strip out --no-create and --no-recursion so they do not pile up.
+# Strip out --silent because we don't want to record it for future runs.
+# Also quote any args containing shell meta-characters.
+# Make two passes to allow for proper duplicate-argument suppression.
+ac_configure_args=
+ac_configure_args0=
+ac_configure_args1=
+ac_sep=
+ac_must_keep_next=false
+for ac_pass in 1 2
+do
+ for ac_arg
+ do
+ case $ac_arg in
+ -no-create | --no-c* | -n | -no-recursion | --no-r*) continue ;;
+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+ | -silent | --silent | --silen | --sile | --sil)
+ continue ;;
+ *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
+ ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
+ esac
+ case $ac_pass in
+ 1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+ 2)
+ ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+ if test $ac_must_keep_next = true; then
+ ac_must_keep_next=false # Got value, back to normal.
+ else
+ case $ac_arg in
+ *=* | --config-cache | -C | -disable-* | --disable-* \
+ | -enable-* | --enable-* | -gas | --g* | -nfp | --nf* \
+ | -q | -quiet | --q* | -silent | --sil* | -v | -verb* \
+ | -with-* | --with-* | -without-* | --without-* | --x)
+ case "$ac_configure_args0 " in
+ "$ac_configure_args1"*" '$ac_arg' "* ) continue ;;
+ esac
+ ;;
+ -* ) ac_must_keep_next=true ;;
+ esac
+ fi
+ ac_configure_args="$ac_configure_args$ac_sep'$ac_arg'"
+ # Get rid of the leading space.
+ ac_sep=" "
+ ;;
+ esac
+ done
+done
+$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
+$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
+
+# When interrupted or exit'd, cleanup temporary files, and complete
+# config.log. We remove comments because anyway the quotes in there
+# would cause problems or look ugly.
+# WARNING: Be sure not to use single quotes in there, as some shells,
+# such as our DU 5.0 friend, will then `close' the trap.
+trap 'exit_status=$?
+ # Save into config.log some information that might help in debugging.
+ {
+ echo
+
+ cat <<\_ASBOX
+## ---------------- ##
+## Cache variables. ##
+## ---------------- ##
+_ASBOX
+ echo
+ # The following way of writing the cache mishandles newlines in values,
+{
+ (set) 2>&1 |
+ case `(ac_space='"'"' '"'"'; set | grep ac_space) 2>&1` in
+ *ac_space=\ *)
+ sed -n \
+ "s/'"'"'/'"'"'\\\\'"'"''"'"'/g;
+ s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='"'"'\\2'"'"'/p"
+ ;;
+ *)
+ sed -n \
+ "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
+ ;;
+ esac;
+}
+ echo
+
+ cat <<\_ASBOX
+## ----------------- ##
+## Output variables. ##
+## ----------------- ##
+_ASBOX
+ echo
+ for ac_var in $ac_subst_vars
+ do
+ eval ac_val=$`echo $ac_var`
+ echo "$ac_var='"'"'$ac_val'"'"'"
+ done | sort
+ echo
+
+ if test -n "$ac_subst_files"; then
+ cat <<\_ASBOX
+## ------------- ##
+## Output files. ##
+## ------------- ##
+_ASBOX
+ echo
+ for ac_var in $ac_subst_files
+ do
+ eval ac_val=$`echo $ac_var`
+ echo "$ac_var='"'"'$ac_val'"'"'"
+ done | sort
+ echo
+ fi
+
+ if test -s confdefs.h; then
+ cat <<\_ASBOX
+## ----------- ##
+## confdefs.h. ##
+## ----------- ##
+_ASBOX
+ echo
+ sed "/^$/d" confdefs.h | sort
+ echo
+ fi
+ test "$ac_signal" != 0 &&
+ echo "$as_me: caught signal $ac_signal"
+ echo "$as_me: exit $exit_status"
+ } >&5
+ rm -f core *.core &&
+ rm -rf conftest* confdefs* conf$$* $ac_clean_files &&
+ exit $exit_status
+ ' 0
+for ac_signal in 1 2 13 15; do
+ trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+done
+ac_signal=0
+
+# confdefs.h avoids OS command line length limits that DEFS can exceed.
+rm -rf conftest* confdefs.h
+# AIX cpp loses on an empty file, so make sure it contains at least a newline.
+echo >confdefs.h
+
+# Predefined preprocessor variables.
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_NAME "$PACKAGE_NAME"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_TARNAME "$PACKAGE_TARNAME"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_VERSION "$PACKAGE_VERSION"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_STRING "$PACKAGE_STRING"
+_ACEOF
+
+
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
+_ACEOF
+
+
+# Let the site file select an alternate cache file if it wants to.
+# Prefer explicitly selected file to automatically selected ones.
+if test -z "$CONFIG_SITE"; then
+ if test "x$prefix" != xNONE; then
+ CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
+ else
+ CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
+ fi
+fi
+for ac_site_file in $CONFIG_SITE; do
+ if test -r "$ac_site_file"; then
+ { echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
+echo "$as_me: loading site script $ac_site_file" >&6;}
+ sed 's/^/| /' "$ac_site_file" >&5
+ . "$ac_site_file"
+ fi
+done
+
+if test -r "$cache_file"; then
+ # Some versions of bash will fail to source /dev/null (special
+ # files actually), so we avoid doing that.
+ if test -f "$cache_file"; then
+ { echo "$as_me:$LINENO: loading cache $cache_file" >&5
+echo "$as_me: loading cache $cache_file" >&6;}
+ case $cache_file in
+ [\\/]* | ?:[\\/]* ) . $cache_file;;
+ *) . ./$cache_file;;
+ esac
+ fi
+else
+ { echo "$as_me:$LINENO: creating cache $cache_file" >&5
+echo "$as_me: creating cache $cache_file" >&6;}
+ >$cache_file
+fi
+
+# Check that the precious variables saved in the cache have kept the same
+# value.
+ac_cache_corrupted=false
+for ac_var in `(set) 2>&1 |
+ sed -n 's/^ac_env_\([a-zA-Z_0-9]*\)_set=.*/\1/p'`; do
+ eval ac_old_set=\$ac_cv_env_${ac_var}_set
+ eval ac_new_set=\$ac_env_${ac_var}_set
+ eval ac_old_val="\$ac_cv_env_${ac_var}_value"
+ eval ac_new_val="\$ac_env_${ac_var}_value"
+ case $ac_old_set,$ac_new_set in
+ set,)
+ { echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
+ ac_cache_corrupted=: ;;
+ ,set)
+ { echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
+echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
+ ac_cache_corrupted=: ;;
+ ,);;
+ *)
+ if test "x$ac_old_val" != "x$ac_new_val"; then
+ { echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
+ { echo "$as_me:$LINENO: former value: $ac_old_val" >&5
+echo "$as_me: former value: $ac_old_val" >&2;}
+ { echo "$as_me:$LINENO: current value: $ac_new_val" >&5
+echo "$as_me: current value: $ac_new_val" >&2;}
+ ac_cache_corrupted=:
+ fi;;
+ esac
+ # Pass precious variables to config.status.
+ if test "$ac_new_set" = set; then
+ case $ac_new_val in
+ *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\"\']*)
+ ac_arg=$ac_var=`echo "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;;
+ *) ac_arg=$ac_var=$ac_new_val ;;
+ esac
+ case " $ac_configure_args " in
+ *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy.
+ *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+ esac
+ fi
+done
+if $ac_cache_corrupted; then
+ { echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
+echo "$as_me: error: changes in the environment can compromise the build" >&2;}
+ { { echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
+echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+if test -z "$CFLAGS"; then
+ CFLAGS="-Wall -O4 -fexpensive-optimizations -funroll-loops"
+fi
+
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
+set dummy ${ac_tool_prefix}ranlib; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_RANLIB+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$RANLIB"; then
+ ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+
+fi
+fi
+RANLIB=$ac_cv_prog_RANLIB
+if test -n "$RANLIB"; then
+ echo "$as_me:$LINENO: result: $RANLIB" >&5
+echo "${ECHO_T}$RANLIB" >&6
+else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+fi
+if test -z "$ac_cv_prog_RANLIB"; then
+ ac_ct_RANLIB=$RANLIB
+ # Extract the first word of "ranlib", so it can be a program name with args.
+set dummy ranlib; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_RANLIB"; then
+ ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_RANLIB="ranlib"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+
+ test -z "$ac_cv_prog_ac_ct_RANLIB" && ac_cv_prog_ac_ct_RANLIB=":"
+fi
+fi
+ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
+if test -n "$ac_ct_RANLIB"; then
+ echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
+echo "${ECHO_T}$ac_ct_RANLIB" >&6
+else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+ RANLIB=$ac_ct_RANLIB
+else
+ RANLIB="$ac_cv_prog_RANLIB"
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}gcc; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_CC="${ac_tool_prefix}gcc"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
+else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+ ac_ct_CC=$CC
+ # Extract the first word of "gcc", so it can be a program name with args.
+set dummy gcc; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_CC"; then
+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_CC="gcc"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+ echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6
+else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+ CC=$ac_ct_CC
+else
+ CC="$ac_cv_prog_CC"
+fi
+
+if test -z "$CC"; then
+ if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
+set dummy ${ac_tool_prefix}cc; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_CC="${ac_tool_prefix}cc"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
+else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+fi
+if test -z "$ac_cv_prog_CC"; then
+ ac_ct_CC=$CC
+ # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_CC"; then
+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_CC="cc"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+ echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6
+else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+ CC=$ac_ct_CC
+else
+ CC="$ac_cv_prog_CC"
+fi
+
+fi
+if test -z "$CC"; then
+ # Extract the first word of "cc", so it can be a program name with args.
+set dummy cc; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+ ac_prog_rejected=no
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
+ ac_prog_rejected=yes
+ continue
+ fi
+ ac_cv_prog_CC="cc"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+
+if test $ac_prog_rejected = yes; then
+ # We found a bogon in the path, so make sure we never use it.
+ set dummy $ac_cv_prog_CC
+ shift
+ if test $# != 0; then
+ # We chose a different compiler from the bogus one.
+ # However, it has the same basename, so the bogon will be chosen
+ # first if we set CC to just the basename; use the full file name.
+ shift
+ ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@"
+ fi
+fi
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
+else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+fi
+if test -z "$CC"; then
+ if test -n "$ac_tool_prefix"; then
+ for ac_prog in cl
+ do
+ # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
+set dummy $ac_tool_prefix$ac_prog; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$CC"; then
+ ac_cv_prog_CC="$CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+
+fi
+fi
+CC=$ac_cv_prog_CC
+if test -n "$CC"; then
+ echo "$as_me:$LINENO: result: $CC" >&5
+echo "${ECHO_T}$CC" >&6
+else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+ test -n "$CC" && break
+ done
+fi
+if test -z "$CC"; then
+ ac_ct_CC=$CC
+ for ac_prog in cl
+do
+ # Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo "$as_me:$LINENO: checking for $ac_word" >&5
+echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6
+if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test -n "$ac_ct_CC"; then
+ ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_ac_ct_CC="$ac_prog"
+ echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+done
+
+fi
+fi
+ac_ct_CC=$ac_cv_prog_ac_ct_CC
+if test -n "$ac_ct_CC"; then
+ echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+echo "${ECHO_T}$ac_ct_CC" >&6
+else
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+
+ test -n "$ac_ct_CC" && break
+done
+
+ CC=$ac_ct_CC
+fi
+
+fi
+
+
+test -z "$CC" && { { echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&5
+echo "$as_me: error: no acceptable C compiler found in \$PATH
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+
+# Provide some information about the compiler.
+echo "$as_me:$LINENO:" \
+ "checking for C compiler version" >&5
+ac_compiler=`set X $ac_compile; echo $2`
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
+ (eval $ac_compiler --version </dev/null >&5) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5
+ (eval $ac_compiler -v </dev/null >&5) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+{ (eval echo "$as_me:$LINENO: \"$ac_compiler -V </dev/null >&5\"") >&5
+ (eval $ac_compiler -V </dev/null >&5) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files a.out a.exe b.out"
+# Try to create an executable without -o first, disregard a.out.
+# It will help us diagnose broken compilers, and finding out an intuition
+# of exeext.
+echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
+echo $ECHO_N "checking for C compiler default output file name... $ECHO_C" >&6
+ac_link_default=`echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
+if { (eval echo "$as_me:$LINENO: \"$ac_link_default\"") >&5
+ (eval $ac_link_default) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ # Find the output, starting from the most likely. This scheme is
+# not robust to junk in `.', hence go to wildcards (a.*) only as a last
+# resort.
+
+# Be careful to initialize this variable, since it used to be cached.
+# Otherwise an old cache value of `no' led to `EXEEXT = no' in a Makefile.
+ac_cv_exeext=
+# b.out is created by i960 compilers.
+for ac_file in a_out.exe a.exe conftest.exe a.out conftest a.* conftest.* b.out
+do
+ test -f "$ac_file" || continue
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj )
+ ;;
+ conftest.$ac_ext )
+ # This is the source file.
+ ;;
+ [ab].out )
+ # We found the default executable, but exeext='' is most
+ # certainly right.
+ break;;
+ *.* )
+ ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+ # FIXME: I believe we export ac_cv_exeext for Libtool,
+ # but it would be cool to find out if it's true. Does anybody
+ # maintain Libtool? --akim.
+ export ac_cv_exeext
+ break;;
+ * )
+ break;;
+ esac
+done
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { echo "$as_me:$LINENO: error: C compiler cannot create executables
+See \`config.log' for more details." >&5
+echo "$as_me: error: C compiler cannot create executables
+See \`config.log' for more details." >&2;}
+ { (exit 77); exit 77; }; }
+fi
+
+ac_exeext=$ac_cv_exeext
+echo "$as_me:$LINENO: result: $ac_file" >&5
+echo "${ECHO_T}$ac_file" >&6
+
+# Check the compiler produces executables we can run. If not, either
+# the compiler is broken, or we cross compile.
+echo "$as_me:$LINENO: checking whether the C compiler works" >&5
+echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6
+# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
+# If not cross compiling, check that we can run a simple program.
+if test "$cross_compiling" != yes; then
+ if { ac_try='./$ac_file'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ cross_compiling=no
+ else
+ if test "$cross_compiling" = maybe; then
+ cross_compiling=yes
+ else
+ { { echo "$as_me:$LINENO: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+ fi
+fi
+echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+
+rm -f a.out a.exe conftest$ac_cv_exeext b.out
+ac_clean_files=$ac_clean_files_save
+# Check the compiler produces executables we can run. If not, either
+# the compiler is broken, or we cross compile.
+echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
+echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6
+echo "$as_me:$LINENO: result: $cross_compiling" >&5
+echo "${ECHO_T}$cross_compiling" >&6
+
+echo "$as_me:$LINENO: checking for suffix of executables" >&5
+echo $ECHO_N "checking for suffix of executables... $ECHO_C" >&6
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
+for ac_file in conftest.exe conftest conftest.*; do
+ test -f "$ac_file" || continue
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.o | *.obj ) ;;
+ *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
+ export ac_cv_exeext
+ break;;
+ * ) break;;
+ esac
+done
+else
+ { { echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+rm -f conftest$ac_cv_exeext
+echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
+echo "${ECHO_T}$ac_cv_exeext" >&6
+
+rm -f conftest.$ac_ext
+EXEEXT=$ac_cv_exeext
+ac_exeext=$EXEEXT
+echo "$as_me:$LINENO: checking for suffix of object files" >&5
+echo $ECHO_N "checking for suffix of object files... $ECHO_C" >&6
+if test "${ac_cv_objext+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.o conftest.obj
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; then
+ for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do
+ case $ac_file in
+ *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg ) ;;
+ *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'`
+ break;;
+ esac
+done
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+{ { echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute suffix of object files: cannot compile
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+echo "${ECHO_T}$ac_cv_objext" >&6
+OBJEXT=$ac_cv_objext
+ac_objext=$OBJEXT
+echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6
+if test "${ac_cv_c_compiler_gnu+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+#ifndef __GNUC__
+ choke me
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_compiler_gnu=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_compiler_gnu=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_cv_c_compiler_gnu=$ac_compiler_gnu
+
+fi
+echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6
+GCC=`test $ac_compiler_gnu = yes && echo yes`
+ac_test_CFLAGS=${CFLAGS+set}
+ac_save_CFLAGS=$CFLAGS
+CFLAGS="-g"
+echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6
+if test "${ac_cv_prog_cc_g+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_prog_cc_g=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_prog_cc_g=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_g" >&6
+if test "$ac_test_CFLAGS" = set; then
+ CFLAGS=$ac_save_CFLAGS
+elif test $ac_cv_prog_cc_g = yes; then
+ if test "$GCC" = yes; then
+ CFLAGS="-g -O2"
+ else
+ CFLAGS="-g"
+ fi
+else
+ if test "$GCC" = yes; then
+ CFLAGS="-O2"
+ else
+ CFLAGS=
+ fi
+fi
+echo "$as_me:$LINENO: checking for $CC option to accept ANSI C" >&5
+echo $ECHO_N "checking for $CC option to accept ANSI C... $ECHO_C" >&6
+if test "${ac_cv_prog_cc_stdc+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_cv_prog_cc_stdc=no
+ac_save_CC=$CC
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdarg.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
+struct buf { int x; };
+FILE * (*rcsopen) (struct buf *, struct stat *, int);
+static char *e (p, i)
+ char **p;
+ int i;
+{
+ return p[i];
+}
+static char *f (char * (*g) (char **, int), char **p, ...)
+{
+ char *s;
+ va_list v;
+ va_start (v,p);
+ s = g (p, va_arg (v,int));
+ va_end (v);
+ return s;
+}
+
+/* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has
+ function prototypes and stuff, but not '\xHH' hex character constants.
+ These don't provoke an error unfortunately, instead are silently treated
+ as 'x'. The following induces an error, until -std1 is added to get
+ proper ANSI mode. Curiously '\x00'!='x' always comes out true, for an
+ array size at least. It's necessary to write '\x00'==0 to get something
+ that's true only with -std1. */
+int osf4_cc_array ['\x00' == 0 ? 1 : -1];
+
+int test (int i, double x);
+struct s1 {int (*f) (int a);};
+struct s2 {int (*f) (double a);};
+int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
+int argc;
+char **argv;
+int
+main ()
+{
+return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
+ ;
+ return 0;
+}
+_ACEOF
+# Don't try gcc -ansi; that turns off useful extensions and
+# breaks some systems' header files.
+# AIX -qlanglvl=ansi
+# Ultrix and OSF/1 -std1
+# HP-UX 10.20 and later -Ae
+# HP-UX older versions -Aa -D_HPUX_SOURCE
+# SVR4 -Xc -D__EXTENSIONS__
+for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
+do
+ CC="$ac_save_CC $ac_arg"
+ rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_prog_cc_stdc=$ac_arg
+break
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext
+done
+rm -f conftest.$ac_ext conftest.$ac_objext
+CC=$ac_save_CC
+
+fi
+
+case "x$ac_cv_prog_cc_stdc" in
+ x|xno)
+ echo "$as_me:$LINENO: result: none needed" >&5
+echo "${ECHO_T}none needed" >&6 ;;
+ *)
+ echo "$as_me:$LINENO: result: $ac_cv_prog_cc_stdc" >&5
+echo "${ECHO_T}$ac_cv_prog_cc_stdc" >&6
+ CC="$CC $ac_cv_prog_cc_stdc" ;;
+esac
+
+# Some people use a C++ compiler to compile C. Since we use `exit',
+# in C++ we need to declare it. In case someone uses the same compiler
+# for both compiling C and C++ we need to have the C++ compiler decide
+# the declaration of exit, since it's the most demanding environment.
+cat >conftest.$ac_ext <<_ACEOF
+#ifndef __cplusplus
+ choke me
+#endif
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ for ac_declaration in \
+ '' \
+ 'extern "C" void std::exit (int) throw (); using std::exit;' \
+ 'extern "C" void std::exit (int); using std::exit;' \
+ 'extern "C" void exit (int) throw ();' \
+ 'extern "C" void exit (int);' \
+ 'void exit (int);'
+do
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_declaration
+#include <stdlib.h>
+int
+main ()
+{
+exit (42);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+continue
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_declaration
+int
+main ()
+{
+exit (42);
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ break
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+rm -f conftest*
+if test -n "$ac_declaration"; then
+ echo '#ifdef __cplusplus' >>confdefs.h
+ echo $ac_declaration >>confdefs.h
+ echo '#endif' >>confdefs.h
+fi
+
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+ac_aux_dir=
+for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
+ if test -f $ac_dir/install-sh; then
+ ac_aux_dir=$ac_dir
+ ac_install_sh="$ac_aux_dir/install-sh -c"
+ break
+ elif test -f $ac_dir/install.sh; then
+ ac_aux_dir=$ac_dir
+ ac_install_sh="$ac_aux_dir/install.sh -c"
+ break
+ elif test -f $ac_dir/shtool; then
+ ac_aux_dir=$ac_dir
+ ac_install_sh="$ac_aux_dir/shtool install -c"
+ break
+ fi
+done
+if test -z "$ac_aux_dir"; then
+ { { echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&5
+echo "$as_me: error: cannot find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+ac_config_guess="$SHELL $ac_aux_dir/config.guess"
+ac_config_sub="$SHELL $ac_aux_dir/config.sub"
+ac_configure="$SHELL $ac_aux_dir/configure" # This should be Cygnus configure.
+
+# Find a good install program. We prefer a C program (faster),
+# so one script is as good as another. But avoid the broken or
+# incompatible versions:
+# SysV /etc/install, /usr/sbin/install
+# SunOS /usr/etc/install
+# IRIX /sbin/install
+# AIX /bin/install
+# AmigaOS /C/install, which installs bootblocks on floppy discs
+# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag
+# AFS /usr/afsws/bin/install, which mishandles nonexistent args
+# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff"
+# OS/2's system install, which has a completely different semantic
+# ./install, which can be erroneously created by make from ./install.sh.
+echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
+echo $ECHO_N "checking for a BSD-compatible install... $ECHO_C" >&6
+if test -z "$INSTALL"; then
+if test "${ac_cv_path_install+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in
+ ./ | .// | /cC/* | \
+ /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
+ ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
+ /usr/ucb/* ) ;;
+ *)
+ # OSF1 and SCO ODT 3.0 have their own names for install.
+ # Don't use installbsd from OSF since it installs stuff as root
+ # by default.
+ for ac_prog in ginstall scoinst install; do
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
+ if test $ac_prog = install &&
+ grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+ # AIX install. It has an incompatible calling convention.
+ :
+ elif test $ac_prog = install &&
+ grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then
+ # program-specific install script used by HP pwplus--don't use.
+ :
+ else
+ ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c"
+ break 3
+ fi
+ fi
+ done
+ done
+ ;;
+esac
+done
+
+
+fi
+ if test "${ac_cv_path_install+set}" = set; then
+ INSTALL=$ac_cv_path_install
+ else
+ # As a last resort, use the slow shell script. We don't cache a
+ # path for INSTALL within a source directory, because that will
+ # break other packages using the cache if that directory is
+ # removed, or if the path is relative.
+ INSTALL=$ac_install_sh
+ fi
+fi
+echo "$as_me:$LINENO: result: $INSTALL" >&5
+echo "${ECHO_T}$INSTALL" >&6
+
+# Use test -z because SunOS4 sh mishandles braces in ${var-val}.
+# It thinks the first close brace ends the variable substitution.
+test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}'
+
+test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}'
+
+test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644'
+
+
+
+echo "$as_me:$LINENO: checking whether byte ordering is bigendian" >&5
+echo $ECHO_N "checking whether byte ordering is bigendian... $ECHO_C" >&6
+if test "${ac_cv_c_bigendian+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ # See if sys/param.h defines the BYTE_ORDER macro.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <sys/types.h>
+#include <sys/param.h>
+
+int
+main ()
+{
+#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
+ bogus endian macros
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ # It does; now see whether it defined to BIG_ENDIAN or not.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <sys/types.h>
+#include <sys/param.h>
+
+int
+main ()
+{
+#if BYTE_ORDER != BIG_ENDIAN
+ not big endian
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_c_bigendian=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_c_bigendian=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+# It does not; compile a test program.
+if test "$cross_compiling" = yes; then
+ # try to guess the endianness by grepping values into an object file
+ ac_cv_c_bigendian=unknown
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+short ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
+short ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
+void _ascii () { char *s = (char *) ascii_mm; s = (char *) ascii_ii; }
+short ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
+short ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
+void _ebcdic () { char *s = (char *) ebcdic_mm; s = (char *) ebcdic_ii; }
+int
+main ()
+{
+ _ascii (); _ebcdic ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ if grep BIGenDianSyS conftest.$ac_objext >/dev/null ; then
+ ac_cv_c_bigendian=yes
+fi
+if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
+ if test "$ac_cv_c_bigendian" = unknown; then
+ ac_cv_c_bigendian=no
+ else
+ # finding both strings is unlikely to happen, but who knows?
+ ac_cv_c_bigendian=unknown
+ fi
+fi
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+int
+main ()
+{
+ /* Are we little or big endian? From Harbison&Steele. */
+ union
+ {
+ long l;
+ char c[sizeof (long)];
+ } u;
+ u.l = 1;
+ exit (u.c[sizeof (long) - 1] == 1);
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_c_bigendian=no
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_c_bigendian=yes
+fi
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_c_bigendian" >&5
+echo "${ECHO_T}$ac_cv_c_bigendian" >&6
+case $ac_cv_c_bigendian in
+ yes)
+
+cat >>confdefs.h <<\_ACEOF
+#define WORDS_BIGENDIAN 1
+_ACEOF
+ ;;
+ no)
+ ;;
+ *)
+ { { echo "$as_me:$LINENO: error: unknown endianness
+presetting ac_cv_c_bigendian=no (or yes) will help" >&5
+echo "$as_me: error: unknown endianness
+presetting ac_cv_c_bigendian=no (or yes) will help" >&2;}
+ { (exit 1); exit 1; }; } ;;
+esac
+
+
+# Make sure we can run config.sub.
+$ac_config_sub sun4 >/dev/null 2>&1 ||
+ { { echo "$as_me:$LINENO: error: cannot run $ac_config_sub" >&5
+echo "$as_me: error: cannot run $ac_config_sub" >&2;}
+ { (exit 1); exit 1; }; }
+
+echo "$as_me:$LINENO: checking build system type" >&5
+echo $ECHO_N "checking build system type... $ECHO_C" >&6
+if test "${ac_cv_build+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_cv_build_alias=$build_alias
+test -z "$ac_cv_build_alias" &&
+ ac_cv_build_alias=`$ac_config_guess`
+test -z "$ac_cv_build_alias" &&
+ { { echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
+echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
+ { (exit 1); exit 1; }; }
+ac_cv_build=`$ac_config_sub $ac_cv_build_alias` ||
+ { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_build_alias failed" >&5
+echo "$as_me: error: $ac_config_sub $ac_cv_build_alias failed" >&2;}
+ { (exit 1); exit 1; }; }
+
+fi
+echo "$as_me:$LINENO: result: $ac_cv_build" >&5
+echo "${ECHO_T}$ac_cv_build" >&6
+build=$ac_cv_build
+build_cpu=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+build_vendor=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+build_os=`echo $ac_cv_build | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+
+
+echo "$as_me:$LINENO: checking host system type" >&5
+echo $ECHO_N "checking host system type... $ECHO_C" >&6
+if test "${ac_cv_host+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_cv_host_alias=$host_alias
+test -z "$ac_cv_host_alias" &&
+ ac_cv_host_alias=$ac_cv_build_alias
+ac_cv_host=`$ac_config_sub $ac_cv_host_alias` ||
+ { { echo "$as_me:$LINENO: error: $ac_config_sub $ac_cv_host_alias failed" >&5
+echo "$as_me: error: $ac_config_sub $ac_cv_host_alias failed" >&2;}
+ { (exit 1); exit 1; }; }
+
+fi
+echo "$as_me:$LINENO: result: $ac_cv_host" >&5
+echo "${ECHO_T}$ac_cv_host" >&6
+host=$ac_cv_host
+host_cpu=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
+host_vendor=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
+host_os=`echo $ac_cv_host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
+
+
+
+case $host_cpu in
+ i*86 )
+
+cat >>confdefs.h <<\_ACEOF
+#define CPU_CISC 1
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_X86 1
+_ACEOF
+;;
+ * )
+ # CPU_RISC is only supported for big endian machines.
+ if test "$ac_cv_c_bigendian" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define CPU_RISC 1
+_ACEOF
+
+ else
+ cat >>confdefs.h <<\_ACEOF
+#define CPU_CISC 1
+_ACEOF
+
+ fi
+ ;;
+esac
+
+case $host_os in
+ *cygwin*|*mingw* )
+ EXE=.exe
+ HOST_IS_WINDOWS=yes
+ ;;
+ * )
+ EXE=""
+ ;;
+esac
+ # define executable suffix; this is needed for `make clean'
+
+
+# Check whether --enable-kernel-linux or --disable-kernel-linux was given.
+if test "${enable_kernel_linux+set}" = set; then
+ enableval="$enable_kernel_linux"
+
+else
+ enable_kernel_linux=no
+fi;
+echo "$as_me:$LINENO: checking whether to build for Linux kernel context" >&5
+echo $ECHO_N "checking whether to build for Linux kernel context... $ECHO_C" >&6
+if test "$enable_kernel_linux" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define SRTP_KERNEL 1
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
+#define SRTP_KERNEL_LINUX 1
+_ACEOF
+
+fi
+echo "$as_me:$LINENO: result: $enable_kernel_linux" >&5
+echo "${ECHO_T}$enable_kernel_linux" >&6
+
+if test "$cross_compiling" != yes -a "$HOST_IS_WINDOWS" != yes; then
+ echo "$as_me:$LINENO: checking for /dev/urandom" >&5
+echo $ECHO_N "checking for /dev/urandom... $ECHO_C" >&6
+if test "${ac_cv_file__dev_urandom+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ test "$cross_compiling" = yes &&
+ { { echo "$as_me:$LINENO: error: cannot check for file existence when cross compiling" >&5
+echo "$as_me: error: cannot check for file existence when cross compiling" >&2;}
+ { (exit 1); exit 1; }; }
+if test -r "/dev/urandom"; then
+ ac_cv_file__dev_urandom=yes
+else
+ ac_cv_file__dev_urandom=no
+fi
+fi
+echo "$as_me:$LINENO: result: $ac_cv_file__dev_urandom" >&5
+echo "${ECHO_T}$ac_cv_file__dev_urandom" >&6
+if test $ac_cv_file__dev_urandom = yes; then
+ DEV_URANDOM=/dev/urandom
+else
+ echo "$as_me:$LINENO: checking for /dev/random" >&5
+echo $ECHO_N "checking for /dev/random... $ECHO_C" >&6
+if test "${ac_cv_file__dev_random+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ test "$cross_compiling" = yes &&
+ { { echo "$as_me:$LINENO: error: cannot check for file existence when cross compiling" >&5
+echo "$as_me: error: cannot check for file existence when cross compiling" >&2;}
+ { (exit 1); exit 1; }; }
+if test -r "/dev/random"; then
+ ac_cv_file__dev_random=yes
+else
+ ac_cv_file__dev_random=no
+fi
+fi
+echo "$as_me:$LINENO: result: $ac_cv_file__dev_random" >&5
+echo "${ECHO_T}$ac_cv_file__dev_random" >&6
+if test $ac_cv_file__dev_random = yes; then
+ DEV_URANDOM=/dev/random
+fi
+
+fi
+
+fi
+
+echo "$as_me:$LINENO: checking which random device to use" >&5
+echo $ECHO_N "checking which random device to use... $ECHO_C" >&6
+if test "$enable_kernel_linux" = "yes"; then
+ RNG_OBJS=rand_linux_kernel.o
+ echo "$as_me:$LINENO: result: Linux kernel builtin" >&5
+echo "${ECHO_T}Linux kernel builtin" >&6
+else
+ RNG_OBJS=rand_source.o
+ if test -n "$DEV_URANDOM"; then
+
+cat >>confdefs.h <<_ACEOF
+#define DEV_URANDOM "$DEV_URANDOM"
+_ACEOF
+
+ echo "$as_me:$LINENO: result: $DEV_URANDOM" >&5
+echo "${ECHO_T}$DEV_URANDOM" >&6
+ else
+ echo "$as_me:$LINENO: result: standard rand() function..." >&5
+echo "${ECHO_T}standard rand() function..." >&6
+ fi
+fi
+
+
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+ CPP=
+fi
+if test -z "$CPP"; then
+ if test "${ac_cv_prog_CPP+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ # Double quotes because CPP needs to be expanded
+ for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
+ do
+ ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+ # Use a header file that comes with gcc, so configuring glibc
+ # with a fresh cross-compiler works.
+ # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ # <limits.h> exists even on freestanding compilers.
+ # On the NeXT, cc -E runs the code through the compiler's parser,
+ # not just through cpp. "Syntax error" is here to catch this case.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+ Syntax error
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.$ac_ext
+
+ # OK, works on sane cases. Now check whether non-existent headers
+ # can be detected and how.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ # Broken: success on invalid input.
+continue
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+ break
+fi
+
+ done
+ ac_cv_prog_CPP=$CPP
+
+fi
+ CPP=$ac_cv_prog_CPP
+else
+ ac_cv_prog_CPP=$CPP
+fi
+echo "$as_me:$LINENO: result: $CPP" >&5
+echo "${ECHO_T}$CPP" >&6
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+ # Use a header file that comes with gcc, so configuring glibc
+ # with a fresh cross-compiler works.
+ # Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ # <limits.h> exists even on freestanding compilers.
+ # On the NeXT, cc -E runs the code through the compiler's parser,
+ # not just through cpp. "Syntax error" is here to catch this case.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+ Syntax error
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ :
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.$ac_ext
+
+ # OK, works on sane cases. Now check whether non-existent headers
+ # can be detected and how.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <ac_nonexistent.h>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ # Broken: success on invalid input.
+continue
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then
+ :
+else
+ { { echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&5
+echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+echo "$as_me:$LINENO: checking for egrep" >&5
+echo $ECHO_N "checking for egrep... $ECHO_C" >&6
+if test "${ac_cv_prog_egrep+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if echo a | (grep -E '(a|b)') >/dev/null 2>&1
+ then ac_cv_prog_egrep='grep -E'
+ else ac_cv_prog_egrep='egrep'
+ fi
+fi
+echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
+echo "${ECHO_T}$ac_cv_prog_egrep" >&6
+ EGREP=$ac_cv_prog_egrep
+
+
+echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
+if test "${ac_cv_header_stdc+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+#include <float.h>
+
+int
+main ()
+{
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_header_stdc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_header_stdc=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+
+if test $ac_cv_header_stdc = yes; then
+ # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <string.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "memchr" >/dev/null 2>&1; then
+ :
+else
+ ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+ # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <stdlib.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+ $EGREP "free" >/dev/null 2>&1; then
+ :
+else
+ ac_cv_header_stdc=no
+fi
+rm -f conftest*
+
+fi
+
+if test $ac_cv_header_stdc = yes; then
+ # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
+ if test "$cross_compiling" = yes; then
+ :
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <ctype.h>
+#if ((' ' & 0x0FF) == 0x020)
+# define ISLOWER(c) ('a' <= (c) && (c) <= 'z')
+# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c))
+#else
+# define ISLOWER(c) \
+ (('a' <= (c) && (c) <= 'i') \
+ || ('j' <= (c) && (c) <= 'r') \
+ || ('s' <= (c) && (c) <= 'z'))
+# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c))
+#endif
+
+#define XOR(e, f) (((e) && !(f)) || (!(e) && (f)))
+int
+main ()
+{
+ int i;
+ for (i = 0; i < 256; i++)
+ if (XOR (islower (i), ISLOWER (i))
+ || toupper (i) != TOUPPER (i))
+ exit(2);
+ exit (0);
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ :
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+ac_cv_header_stdc=no
+fi
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+fi
+echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+echo "${ECHO_T}$ac_cv_header_stdc" >&6
+if test $ac_cv_header_stdc = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define STDC_HEADERS 1
+_ACEOF
+
+fi
+
+# On IRIX 5.3, sys/types and inttypes.h are conflicting.
+
+
+
+
+
+
+
+
+
+for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
+ inttypes.h stdint.h unistd.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ eval "$as_ac_Header=yes"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_Header=no"
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+for ac_header in stdlib.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in unistd.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in byteswap.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in stdint.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in sys/uio.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in inttypes.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in sys/types.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in machine/types.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in sys/int_types.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+
+
+
+for ac_header in sys/socket.h netinet/in.h arpa/inet.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+for ac_header in windows.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+for ac_header in winsock2.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+fi
+
+done
+
+
+
+for ac_header in syslog.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+else
+ # Is the header compilable?
+echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_header_compiler=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_header_compiler=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6
+
+# Is the header present?
+echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#include <$ac_header>
+_ACEOF
+if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
+ (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } >/dev/null; then
+ if test -s conftest.err; then
+ ac_cpp_err=$ac_c_preproc_warn_flag
+ ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
+ else
+ ac_cpp_err=
+ fi
+else
+ ac_cpp_err=yes
+fi
+if test -z "$ac_cpp_err"; then
+ ac_header_preproc=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_header_preproc=no
+fi
+rm -f conftest.err conftest.$ac_ext
+echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6
+
+# So? What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+ yes:no: )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+ ac_header_preproc=yes
+ ;;
+ no:yes:* )
+ { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+ { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+ (
+ cat <<\_ASBOX
+## ------------------------------------------ ##
+## Report this to the AC_PACKAGE_NAME lists. ##
+## ------------------------------------------ ##
+_ASBOX
+ ) |
+ sed "s/^/$as_me: WARNING: /" >&2
+ ;;
+esac
+echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
+if eval "test \"\${$as_ac_Header+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ eval "$as_ac_Header=\$ac_header_preproc"
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+
+done
+
+
+echo "$as_me:$LINENO: checking for int8_t" >&5
+echo $ECHO_N "checking for int8_t... $ECHO_C" >&6
+if test "${ac_cv_type_int8_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+if ((int8_t *) 0)
+ return 0;
+if (sizeof (int8_t))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_type_int8_t=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_int8_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_int8_t" >&5
+echo "${ECHO_T}$ac_cv_type_int8_t" >&6
+if test $ac_cv_type_int8_t = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_INT8_T 1
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking for uint8_t" >&5
+echo $ECHO_N "checking for uint8_t... $ECHO_C" >&6
+if test "${ac_cv_type_uint8_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+if ((uint8_t *) 0)
+ return 0;
+if (sizeof (uint8_t))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_type_uint8_t=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_uint8_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_uint8_t" >&5
+echo "${ECHO_T}$ac_cv_type_uint8_t" >&6
+if test $ac_cv_type_uint8_t = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_UINT8_T 1
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking for int16_t" >&5
+echo $ECHO_N "checking for int16_t... $ECHO_C" >&6
+if test "${ac_cv_type_int16_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+if ((int16_t *) 0)
+ return 0;
+if (sizeof (int16_t))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_type_int16_t=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_int16_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_int16_t" >&5
+echo "${ECHO_T}$ac_cv_type_int16_t" >&6
+if test $ac_cv_type_int16_t = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_INT16_T 1
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking for uint16_t" >&5
+echo $ECHO_N "checking for uint16_t... $ECHO_C" >&6
+if test "${ac_cv_type_uint16_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+if ((uint16_t *) 0)
+ return 0;
+if (sizeof (uint16_t))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_type_uint16_t=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_uint16_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_uint16_t" >&5
+echo "${ECHO_T}$ac_cv_type_uint16_t" >&6
+if test $ac_cv_type_uint16_t = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_UINT16_T 1
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking for int32_t" >&5
+echo $ECHO_N "checking for int32_t... $ECHO_C" >&6
+if test "${ac_cv_type_int32_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+if ((int32_t *) 0)
+ return 0;
+if (sizeof (int32_t))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_type_int32_t=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_int32_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_int32_t" >&5
+echo "${ECHO_T}$ac_cv_type_int32_t" >&6
+if test $ac_cv_type_int32_t = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_INT32_T 1
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking for uint32_t" >&5
+echo $ECHO_N "checking for uint32_t... $ECHO_C" >&6
+if test "${ac_cv_type_uint32_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+if ((uint32_t *) 0)
+ return 0;
+if (sizeof (uint32_t))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_type_uint32_t=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_uint32_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_uint32_t" >&5
+echo "${ECHO_T}$ac_cv_type_uint32_t" >&6
+if test $ac_cv_type_uint32_t = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_UINT32_T 1
+_ACEOF
+
+
+fi
+echo "$as_me:$LINENO: checking for uint64_t" >&5
+echo $ECHO_N "checking for uint64_t... $ECHO_C" >&6
+if test "${ac_cv_type_uint64_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+if ((uint64_t *) 0)
+ return 0;
+if (sizeof (uint64_t))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_type_uint64_t=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_uint64_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_uint64_t" >&5
+echo "${ECHO_T}$ac_cv_type_uint64_t" >&6
+if test $ac_cv_type_uint64_t = yes; then
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_UINT64_T 1
+_ACEOF
+
+
+fi
+
+echo "$as_me:$LINENO: checking for unsigned long" >&5
+echo $ECHO_N "checking for unsigned long... $ECHO_C" >&6
+if test "${ac_cv_type_unsigned_long+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+if ((unsigned long *) 0)
+ return 0;
+if (sizeof (unsigned long))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_type_unsigned_long=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_unsigned_long=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_unsigned_long" >&5
+echo "${ECHO_T}$ac_cv_type_unsigned_long" >&6
+
+echo "$as_me:$LINENO: checking size of unsigned long" >&5
+echo $ECHO_N "checking size of unsigned long... $ECHO_C" >&6
+if test "${ac_cv_sizeof_unsigned_long+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "$ac_cv_type_unsigned_long" = yes; then
+ # The cast to unsigned long works around a bug in the HP C Compiler
+ # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+ # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+ # This bug is HP SR number 8606223364.
+ if test "$cross_compiling" = yes; then
+ # Depending upon the size, compute the lo and hi bounds.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (unsigned long))) >= 0)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_lo=0 ac_mid=0
+ while :; do
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (unsigned long))) <= $ac_mid)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_hi=$ac_mid; break
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_lo=`expr $ac_mid + 1`
+ if test $ac_lo -le $ac_mid; then
+ ac_lo= ac_hi=
+ break
+ fi
+ ac_mid=`expr 2 '*' $ac_mid + 1`
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ done
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (unsigned long))) < 0)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_hi=-1 ac_mid=-1
+ while :; do
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (unsigned long))) >= $ac_mid)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_lo=$ac_mid; break
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_hi=`expr '(' $ac_mid ')' - 1`
+ if test $ac_mid -le $ac_hi; then
+ ac_lo= ac_hi=
+ break
+ fi
+ ac_mid=`expr 2 '*' $ac_mid`
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ done
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_lo= ac_hi=
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+ ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (unsigned long))) <= $ac_mid)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_hi=$ac_mid
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_lo=`expr '(' $ac_mid ')' + 1`
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in
+?*) ac_cv_sizeof_unsigned_long=$ac_lo;;
+'') { { echo "$as_me:$LINENO: error: cannot compute sizeof (unsigned long), 77
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute sizeof (unsigned long), 77
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; } ;;
+esac
+else
+ if test "$cross_compiling" = yes; then
+ { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+long longval () { return (long) (sizeof (unsigned long)); }
+unsigned long ulongval () { return (long) (sizeof (unsigned long)); }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+ FILE *f = fopen ("conftest.val", "w");
+ if (! f)
+ exit (1);
+ if (((long) (sizeof (unsigned long))) < 0)
+ {
+ long i = longval ();
+ if (i != ((long) (sizeof (unsigned long))))
+ exit (1);
+ fprintf (f, "%ld\n", i);
+ }
+ else
+ {
+ unsigned long i = ulongval ();
+ if (i != ((long) (sizeof (unsigned long))))
+ exit (1);
+ fprintf (f, "%lu\n", i);
+ }
+ exit (ferror (f) || fclose (f) != 0);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_sizeof_unsigned_long=`cat conftest.val`
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+{ { echo "$as_me:$LINENO: error: cannot compute sizeof (unsigned long), 77
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute sizeof (unsigned long), 77
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+rm -f conftest.val
+else
+ ac_cv_sizeof_unsigned_long=0
+fi
+fi
+echo "$as_me:$LINENO: result: $ac_cv_sizeof_unsigned_long" >&5
+echo "${ECHO_T}$ac_cv_sizeof_unsigned_long" >&6
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_UNSIGNED_LONG $ac_cv_sizeof_unsigned_long
+_ACEOF
+
+
+echo "$as_me:$LINENO: checking for unsigned long long" >&5
+echo $ECHO_N "checking for unsigned long long... $ECHO_C" >&6
+if test "${ac_cv_type_unsigned_long_long+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+if ((unsigned long long *) 0)
+ return 0;
+if (sizeof (unsigned long long))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_type_unsigned_long_long=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_unsigned_long_long=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_unsigned_long_long" >&5
+echo "${ECHO_T}$ac_cv_type_unsigned_long_long" >&6
+
+echo "$as_me:$LINENO: checking size of unsigned long long" >&5
+echo $ECHO_N "checking size of unsigned long long... $ECHO_C" >&6
+if test "${ac_cv_sizeof_unsigned_long_long+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ if test "$ac_cv_type_unsigned_long_long" = yes; then
+ # The cast to unsigned long works around a bug in the HP C Compiler
+ # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+ # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+ # This bug is HP SR number 8606223364.
+ if test "$cross_compiling" = yes; then
+ # Depending upon the size, compute the lo and hi bounds.
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (unsigned long long))) >= 0)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_lo=0 ac_mid=0
+ while :; do
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (unsigned long long))) <= $ac_mid)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_hi=$ac_mid; break
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_lo=`expr $ac_mid + 1`
+ if test $ac_lo -le $ac_mid; then
+ ac_lo= ac_hi=
+ break
+ fi
+ ac_mid=`expr 2 '*' $ac_mid + 1`
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ done
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (unsigned long long))) < 0)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_hi=-1 ac_mid=-1
+ while :; do
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (unsigned long long))) >= $ac_mid)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_lo=$ac_mid; break
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_hi=`expr '(' $ac_mid ')' - 1`
+ if test $ac_mid -le $ac_hi; then
+ ac_lo= ac_hi=
+ break
+ fi
+ ac_mid=`expr 2 '*' $ac_mid`
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+ done
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_lo= ac_hi=
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+# Binary search between lo and hi bounds.
+while test "x$ac_lo" != "x$ac_hi"; do
+ ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo`
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+static int test_array [1 - 2 * !(((long) (sizeof (unsigned long long))) <= $ac_mid)];
+test_array [0] = 0
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_hi=$ac_mid
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_lo=`expr '(' $ac_mid ')' + 1`
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+case $ac_lo in
+?*) ac_cv_sizeof_unsigned_long_long=$ac_lo;;
+'') { { echo "$as_me:$LINENO: error: cannot compute sizeof (unsigned long long), 77
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute sizeof (unsigned long long), 77
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; } ;;
+esac
+else
+ if test "$cross_compiling" = yes; then
+ { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot run test program while cross compiling
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+long longval () { return (long) (sizeof (unsigned long long)); }
+unsigned long ulongval () { return (long) (sizeof (unsigned long long)); }
+#include <stdio.h>
+#include <stdlib.h>
+int
+main ()
+{
+
+ FILE *f = fopen ("conftest.val", "w");
+ if (! f)
+ exit (1);
+ if (((long) (sizeof (unsigned long long))) < 0)
+ {
+ long i = longval ();
+ if (i != ((long) (sizeof (unsigned long long))))
+ exit (1);
+ fprintf (f, "%ld\n", i);
+ }
+ else
+ {
+ unsigned long i = ulongval ();
+ if (i != ((long) (sizeof (unsigned long long))))
+ exit (1);
+ fprintf (f, "%lu\n", i);
+ }
+ exit (ferror (f) || fclose (f) != 0);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_sizeof_unsigned_long_long=`cat conftest.val`
+else
+ echo "$as_me: program exited with status $ac_status" >&5
+echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+( exit $ac_status )
+{ { echo "$as_me:$LINENO: error: cannot compute sizeof (unsigned long long), 77
+See \`config.log' for more details." >&5
+echo "$as_me: error: cannot compute sizeof (unsigned long long), 77
+See \`config.log' for more details." >&2;}
+ { (exit 1); exit 1; }; }
+fi
+rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+fi
+fi
+rm -f conftest.val
+else
+ ac_cv_sizeof_unsigned_long_long=0
+fi
+fi
+echo "$as_me:$LINENO: result: $ac_cv_sizeof_unsigned_long_long" >&5
+echo "${ECHO_T}$ac_cv_sizeof_unsigned_long_long" >&6
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF_UNSIGNED_LONG_LONG $ac_cv_sizeof_unsigned_long_long
+_ACEOF
+
+
+
+echo "$as_me:$LINENO: checking for an ANSI C-conforming const" >&5
+echo $ECHO_N "checking for an ANSI C-conforming const... $ECHO_C" >&6
+if test "${ac_cv_c_const+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+/* FIXME: Include the comments suggested by Paul. */
+#ifndef __cplusplus
+ /* Ultrix mips cc rejects this. */
+ typedef int charset[2];
+ const charset x;
+ /* SunOS 4.1.1 cc rejects this. */
+ char const *const *ccp;
+ char **p;
+ /* NEC SVR4.0.2 mips cc rejects this. */
+ struct point {int x, y;};
+ static struct point const zero = {0,0};
+ /* AIX XL C 1.02.0.0 rejects this.
+ It does not let you subtract one const X* pointer from another in
+ an arm of an if-expression whose if-part is not a constant
+ expression */
+ const char *g = "string";
+ ccp = &g + (g ? g-g : 0);
+ /* HPUX 7.0 cc rejects these. */
+ ++ccp;
+ p = (char**) ccp;
+ ccp = (char const *const *) p;
+ { /* SCO 3.2v4 cc rejects this. */
+ char *t;
+ char const *s = 0 ? (char *) 0 : (char const *) 0;
+
+ *t++ = 0;
+ }
+ { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */
+ int x[] = {25, 17};
+ const int *foo = &x[0];
+ ++foo;
+ }
+ { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
+ typedef const int *iptr;
+ iptr p = 0;
+ ++p;
+ }
+ { /* AIX XL C 1.02.0.0 rejects this saying
+ "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
+ struct s { int j; const int *ap[3]; };
+ struct s *b; b->j = 5;
+ }
+ { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
+ const int foo = 10;
+ }
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_c_const=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_c_const=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_c_const" >&5
+echo "${ECHO_T}$ac_cv_c_const" >&6
+if test $ac_cv_c_const = no; then
+
+cat >>confdefs.h <<\_ACEOF
+#define const
+_ACEOF
+
+fi
+
+echo "$as_me:$LINENO: checking for inline" >&5
+echo $ECHO_N "checking for inline... $ECHO_C" >&6
+if test "${ac_cv_c_inline+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_cv_c_inline=no
+for ac_kw in inline __inline__ __inline; do
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+#ifndef __cplusplus
+typedef int foo_t;
+static $ac_kw foo_t static_foo () {return 0; }
+$ac_kw foo_t foo () {return 0; }
+#endif
+
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_c_inline=$ac_kw; break
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+done
+
+fi
+echo "$as_me:$LINENO: result: $ac_cv_c_inline" >&5
+echo "${ECHO_T}$ac_cv_c_inline" >&6
+
+
+case $ac_cv_c_inline in
+ inline | yes) ;;
+ *)
+ case $ac_cv_c_inline in
+ no) ac_val=;;
+ *) ac_val=$ac_cv_c_inline;;
+ esac
+ cat >>confdefs.h <<_ACEOF
+#ifndef __cplusplus
+#define inline $ac_val
+#endif
+_ACEOF
+ ;;
+esac
+
+echo "$as_me:$LINENO: checking for size_t" >&5
+echo $ECHO_N "checking for size_t... $ECHO_C" >&6
+if test "${ac_cv_type_size_t+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+if ((size_t *) 0)
+ return 0;
+if (sizeof (size_t))
+ return 0;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_type_size_t=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_type_size_t=no
+fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: $ac_cv_type_size_t" >&5
+echo "${ECHO_T}$ac_cv_type_size_t" >&6
+if test $ac_cv_type_size_t = yes; then
+ :
+else
+
+cat >>confdefs.h <<_ACEOF
+#define size_t unsigned
+_ACEOF
+
+fi
+
+
+
+
+
+for ac_func in socket inet_aton usleep
+do
+as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
+echo "$as_me:$LINENO: checking for $ac_func" >&5
+echo $ECHO_N "checking for $ac_func... $ECHO_C" >&6
+if eval "test \"\${$as_ac_var+set}\" = set"; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
+ For example, HP-UX 11i <limits.h> declares gettimeofday. */
+#define $ac_func innocuous_$ac_func
+
+/* System header to define __stub macros and hopefully few prototypes,
+ which can conflict with char $ac_func (); below.
+ Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+ <limits.h> exists even on freestanding compilers. */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $ac_func
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char $ac_func ();
+/* The GNU C library defines this for functions which it implements
+ to always fail with ENOSYS. Some functions are actually named
+ something starting with __ and the normal name is an alias. */
+#if defined (__stub_$ac_func) || defined (__stub___$ac_func)
+choke me
+#else
+char (*f) () = $ac_func;
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+int
+main ()
+{
+return f != $ac_func;
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ eval "$as_ac_var=yes"
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+eval "$as_ac_var=no"
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_var'}'`" >&5
+echo "${ECHO_T}`eval echo '${'$as_ac_var'}'`" >&6
+if test `eval echo '${'$as_ac_var'}'` = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+
+if test "x$ac_cv_func_socket" = "xno"; then
+
+echo "$as_me:$LINENO: checking for socket in -lsocket" >&5
+echo $ECHO_N "checking for socket in -lsocket... $ECHO_C" >&6
+if test "${ac_cv_lib_socket_socket+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ ac_check_lib_save_LIBS=$LIBS
+LIBS="-lsocket $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+/* Override any gcc2 internal prototype to avoid an error. */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+ builtin and then its argument prototype would still apply. */
+char socket ();
+int
+main ()
+{
+socket ();
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_lib_socket_socket=yes
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_socket_socket=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_socket_socket" >&5
+echo "${ECHO_T}$ac_cv_lib_socket_socket" >&6
+if test $ac_cv_lib_socket_socket = yes; then
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBSOCKET 1
+_ACEOF
+
+ LIBS="-lsocket $LIBS"
+
+fi
+
+ echo "$as_me:$LINENO: checking for socket in -lwsock32" >&5
+echo $ECHO_N "checking for socket in -lwsock32... $ECHO_C" >&6
+ SAVELIBS="$LIBS"
+ LIBS="$LIBS -lwsock32"
+ cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+#include <winsock2.h>
+
+int
+main ()
+{
+
+socket(0, 0, 0);
+
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+ (eval $ac_link) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest$ac_exeext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
+ ac_cv_func_socket=yes
+ echo "$as_me:$LINENO: result: yes" >&5
+echo "${ECHO_T}yes" >&6
+else
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+LIBS="$SAVELIBS"
+ echo "$as_me:$LINENO: result: no" >&5
+echo "${ECHO_T}no" >&6
+fi
+rm -f conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+fi
+
+echo "$as_me:$LINENO: checking whether to compile in debugging" >&5
+echo $ECHO_N "checking whether to compile in debugging... $ECHO_C" >&6
+# Check whether --enable-debug or --disable-debug was given.
+if test "${enable_debug+set}" = set; then
+ enableval="$enable_debug"
+
+else
+ enable_debug=yes
+fi;
+if test "$enable_debug" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define ENABLE_DEBUGGING 1
+_ACEOF
+
+fi
+echo "$as_me:$LINENO: result: $enable_debug" >&5
+echo "${ECHO_T}$enable_debug" >&6
+
+echo "$as_me:$LINENO: checking whether to use ISMAcryp code" >&5
+echo $ECHO_N "checking whether to use ISMAcryp code... $ECHO_C" >&6
+# Check whether --enable-generic-aesicm or --disable-generic-aesicm was given.
+if test "${enable_generic_aesicm+set}" = set; then
+ enableval="$enable_generic_aesicm"
+
+else
+ enable_generic_aesicm=no
+fi;
+if test "$enable_generic_aesicm" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define GENERIC_AESICM 1
+_ACEOF
+
+fi
+echo "$as_me:$LINENO: result: $enable_generic_aesicm" >&5
+echo "${ECHO_T}$enable_generic_aesicm" >&6
+
+echo "$as_me:$LINENO: checking whether to use syslog for error reporting" >&5
+echo $ECHO_N "checking whether to use syslog for error reporting... $ECHO_C" >&6
+# Check whether --enable-syslog or --disable-syslog was given.
+if test "${enable_syslog+set}" = set; then
+ enableval="$enable_syslog"
+
+else
+ enable_syslog=no
+fi;
+if test "$enable_syslog" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define USE_SYSLOG 1
+_ACEOF
+
+fi
+echo "$as_me:$LINENO: result: $enable_syslog" >&5
+echo "${ECHO_T}$enable_syslog" >&6
+
+echo "$as_me:$LINENO: checking whether to use stdout for error reporting" >&5
+echo $ECHO_N "checking whether to use stdout for error reporting... $ECHO_C" >&6
+# Check whether --enable-stdout or --disable-stdout was given.
+if test "${enable_stdout+set}" = set; then
+ enableval="$enable_stdout"
+
+else
+ enable_stdout=yes
+fi;
+if test "$enable_stdout" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define ERR_REPORTING_STDOUT 1
+_ACEOF
+
+fi
+echo "$as_me:$LINENO: result: $enable_stdout" >&5
+echo "${ECHO_T}$enable_stdout" >&6
+
+echo "$as_me:$LINENO: checking whether to use /dev/console for error reporting" >&5
+echo $ECHO_N "checking whether to use /dev/console for error reporting... $ECHO_C" >&6
+# Check whether --enable-console or --disable-console was given.
+if test "${enable_console+set}" = set; then
+ enableval="$enable_console"
+
+else
+ enable_console=no
+fi;
+if test "$enable_console" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define USE_ERR_REPORTING_FILE 1
+_ACEOF
+
+
+cat >>confdefs.h <<\_ACEOF
+#define ERR_REPORTING_FILE "/dev/console"
+_ACEOF
+
+fi
+echo "$as_me:$LINENO: result: $enable_console" >&5
+echo "${ECHO_T}$enable_console" >&6
+
+echo "$as_me:$LINENO: checking whether to use GDOI key management" >&5
+echo $ECHO_N "checking whether to use GDOI key management... $ECHO_C" >&6
+# Check whether --enable-gdoi or --disable-gdoi was given.
+if test "${enable_gdoi+set}" = set; then
+ enableval="$enable_gdoi"
+
+else
+ enable_gdoi=no
+fi;
+if test "$enable_gdoi" = "yes"; then
+
+cat >>confdefs.h <<\_ACEOF
+#define SRTP_GDOI 1
+_ACEOF
+
+ GDOI_OBJS=gdoi/srtp+gdoi.o
+
+fi
+echo "$as_me:$LINENO: result: $enable_gdoi" >&5
+echo "${ECHO_T}$enable_gdoi" >&6
+
+ ac_config_headers="$ac_config_headers crypto/include/config.h:config_in.h"
+
+
+ ac_config_files="$ac_config_files Makefile crypto/Makefile doc/Makefile"
+cat >confcache <<\_ACEOF
+# This file is a shell script that caches the results of configure
+# tests run on this system so they can be shared between configure
+# scripts and configure runs, see configure's option --config-cache.
+# It is not useful on other systems. If it contains results you don't
+# want to keep, you may remove or edit it.
+#
+# config.status only pays attention to the cache file if you give it
+# the --recheck option to rerun configure.
+#
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
+# following values.
+
+_ACEOF
+
+# The following way of writing the cache mishandles newlines in values,
+# but we know of no workaround that is simple, portable, and efficient.
+# So, don't put newlines in cache variables' values.
+# Ultrix sh set writes to stderr and can't be redirected directly,
+# and sets the high bit in the cache file unless we assign to the vars.
+{
+ (set) 2>&1 |
+ case `(ac_space=' '; set | grep ac_space) 2>&1` in
+ *ac_space=\ *)
+ # `set' does not quote correctly, so add quotes (double-quote
+ # substitution turns \\\\ into \\, and sed turns \\ into \).
+ sed -n \
+ "s/'/'\\\\''/g;
+ s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
+ ;;
+ *)
+ # `set' quotes correctly as required by POSIX, so do not add quotes.
+ sed -n \
+ "s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1=\\2/p"
+ ;;
+ esac;
+} |
+ sed '
+ t clear
+ : clear
+ s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/
+ t end
+ /^ac_cv_env/!s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/
+ : end' >>confcache
+if diff $cache_file confcache >/dev/null 2>&1; then :; else
+ if test -w $cache_file; then
+ test "x$cache_file" != "x/dev/null" && echo "updating cache $cache_file"
+ cat confcache >$cache_file
+ else
+ echo "not updating unwritable cache $cache_file"
+ fi
+fi
+rm -f confcache
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+# Let make expand exec_prefix.
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+# VPATH may cause trouble with some makes, so we remove $(srcdir),
+# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# trailing colons and then remove the whole line if VPATH becomes empty
+# (actually we leave an empty line to preserve line numbers).
+if test "x$srcdir" = x.; then
+ ac_vpsub='/^[ ]*VPATH[ ]*=/{
+s/:*\$(srcdir):*/:/;
+s/:*\${srcdir}:*/:/;
+s/:*@srcdir@:*/:/;
+s/^\([^=]*=[ ]*\):*/\1/;
+s/:*$//;
+s/^[^=]*=[ ]*$//;
+}'
+fi
+
+DEFS=-DHAVE_CONFIG_H
+
+ac_libobjs=
+ac_ltlibobjs=
+for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
+ # 1. Remove the extension, and $U if already installed.
+ ac_i=`echo "$ac_i" |
+ sed 's/\$U\././;s/\.o$//;s/\.obj$//'`
+ # 2. Add them.
+ ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext"
+ ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo'
+done
+LIBOBJS=$ac_libobjs
+
+LTLIBOBJS=$ac_ltlibobjs
+
+
+
+: ${CONFIG_STATUS=./config.status}
+ac_clean_files_save=$ac_clean_files
+ac_clean_files="$ac_clean_files $CONFIG_STATUS"
+{ echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
+echo "$as_me: creating $CONFIG_STATUS" >&6;}
+cat >$CONFIG_STATUS <<_ACEOF
+#! $SHELL
+# Generated by $as_me.
+# Run this file to recreate the current configuration.
+# Compiler output produced by configure, useful for debugging
+# configure, is in config.log if it exists.
+
+debug=false
+ac_cs_recheck=false
+ac_cs_silent=false
+SHELL=\${CONFIG_SHELL-$SHELL}
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+## --------------------- ##
+## M4sh Initialization. ##
+## --------------------- ##
+
+# Be Bourne compatible
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+ emulate sh
+ NULLCMD=:
+ # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
+ # is contrary to our usage. Disable this feature.
+ alias -g '${1+"$@"}'='"$@"'
+elif test -n "${BASH_VERSION+set}" && (set -o posix) >/dev/null 2>&1; then
+ set -o posix
+fi
+DUALCASE=1; export DUALCASE # for MKS sh
+
+# Support unset when possible.
+if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
+ as_unset=unset
+else
+ as_unset=false
+fi
+
+
+# Work around bugs in pre-3.0 UWIN ksh.
+$as_unset ENV MAIL MAILPATH
+PS1='$ '
+PS2='> '
+PS4='+ '
+
+# NLS nuisances.
+for as_var in \
+ LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
+ LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
+ LC_TELEPHONE LC_TIME
+do
+ if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
+ eval $as_var=C; export $as_var
+ else
+ $as_unset $as_var
+ fi
+done
+
+# Required to use basename.
+if expr a : '\(a\)' >/dev/null 2>&1; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+if (basename /) >/dev/null 2>&1 && test "X`basename / 2>&1`" = "X/"; then
+ as_basename=basename
+else
+ as_basename=false
+fi
+
+
+# Name of the executable.
+as_me=`$as_basename "$0" ||
+$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
+ X"$0" : 'X\(//\)$' \| \
+ X"$0" : 'X\(/\)$' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X/"$0" |
+ sed '/^.*\/\([^/][^/]*\)\/*$/{ s//\1/; q; }
+ /^X\/\(\/\/\)$/{ s//\1/; q; }
+ /^X\/\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+
+
+# PATH needs CR, and LINENO needs CR and PATH.
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
+
+# The user is always right.
+if test "${PATH_SEPARATOR+set}" != set; then
+ echo "#! /bin/sh" >conf$$.sh
+ echo "exit 0" >>conf$$.sh
+ chmod +x conf$$.sh
+ if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
+ PATH_SEPARATOR=';'
+ else
+ PATH_SEPARATOR=:
+ fi
+ rm -f conf$$.sh
+fi
+
+
+ as_lineno_1=$LINENO
+ as_lineno_2=$LINENO
+ as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+ test "x$as_lineno_1" != "x$as_lineno_2" &&
+ test "x$as_lineno_3" = "x$as_lineno_2" || {
+ # Find who we are. Look in the path if we contain no path at all
+ # relative or not.
+ case $0 in
+ *[\\/]* ) as_myself=$0 ;;
+ *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+done
+
+ ;;
+ esac
+ # We did not find ourselves, most probably we were run as `sh COMMAND'
+ # in which case we are not to be found in the path.
+ if test "x$as_myself" = x; then
+ as_myself=$0
+ fi
+ if test ! -f "$as_myself"; then
+ { { echo "$as_me:$LINENO: error: cannot find myself; rerun with an absolute path" >&5
+echo "$as_me: error: cannot find myself; rerun with an absolute path" >&2;}
+ { (exit 1); exit 1; }; }
+ fi
+ case $CONFIG_SHELL in
+ '')
+ as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for as_base in sh bash ksh sh5; do
+ case $as_dir in
+ /*)
+ if ("$as_dir/$as_base" -c '
+ as_lineno_1=$LINENO
+ as_lineno_2=$LINENO
+ as_lineno_3=`(expr $as_lineno_1 + 1) 2>/dev/null`
+ test "x$as_lineno_1" != "x$as_lineno_2" &&
+ test "x$as_lineno_3" = "x$as_lineno_2" ') 2>/dev/null; then
+ $as_unset BASH_ENV || test "${BASH_ENV+set}" != set || { BASH_ENV=; export BASH_ENV; }
+ $as_unset ENV || test "${ENV+set}" != set || { ENV=; export ENV; }
+ CONFIG_SHELL=$as_dir/$as_base
+ export CONFIG_SHELL
+ exec "$CONFIG_SHELL" "$0" ${1+"$@"}
+ fi;;
+ esac
+ done
+done
+;;
+ esac
+
+ # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
+ # uniformly replaced by the line number. The first 'sed' inserts a
+ # line-number line before each line; the second 'sed' does the real
+ # work. The second script uses 'N' to pair each line-number line
+ # with the numbered line, and appends trailing '-' during
+ # substitution so that $LINENO is not a special case at line end.
+ # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
+ # second 'sed' script. Blame Lee E. McMahon for sed's syntax. :-)
+ sed '=' <$as_myself |
+ sed '
+ N
+ s,$,-,
+ : loop
+ s,^\(['$as_cr_digits']*\)\(.*\)[$]LINENO\([^'$as_cr_alnum'_]\),\1\2\1\3,
+ t loop
+ s,-$,,
+ s,^['$as_cr_digits']*\n,,
+ ' >$as_me.lineno &&
+ chmod +x $as_me.lineno ||
+ { { echo "$as_me:$LINENO: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&5
+echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2;}
+ { (exit 1); exit 1; }; }
+
+ # Don't try to exec as it changes $[0], causing all sort of problems
+ # (the dirname of $[0] is not the place where we might find the
+ # original and so on. Autoconf is especially sensible to this).
+ . ./$as_me.lineno
+ # Exit status is that of the last command.
+ exit
+}
+
+
+case `echo "testing\c"; echo 1,2,3`,`echo -n testing; echo 1,2,3` in
+ *c*,-n*) ECHO_N= ECHO_C='
+' ECHO_T=' ' ;;
+ *c*,* ) ECHO_N=-n ECHO_C= ECHO_T= ;;
+ *) ECHO_N= ECHO_C='\c' ECHO_T= ;;
+esac
+
+if expr a : '\(a\)' >/dev/null 2>&1; then
+ as_expr=expr
+else
+ as_expr=false
+fi
+
+rm -f conf$$ conf$$.exe conf$$.file
+echo >conf$$.file
+if ln -s conf$$.file conf$$ 2>/dev/null; then
+ # We could just check for DJGPP; but this test a) works b) is more generic
+ # and c) will remain valid once DJGPP supports symlinks (DJGPP 2.04).
+ if test -f conf$$.exe; then
+ # Don't use ln at all; we don't have any links
+ as_ln_s='cp -p'
+ else
+ as_ln_s='ln -s'
+ fi
+elif ln conf$$.file conf$$ 2>/dev/null; then
+ as_ln_s=ln
+else
+ as_ln_s='cp -p'
+fi
+rm -f conf$$ conf$$.exe conf$$.file
+
+if mkdir -p . 2>/dev/null; then
+ as_mkdir_p=:
+else
+ test -d ./-p && rmdir ./-p
+ as_mkdir_p=false
+fi
+
+as_executable_p="test -f"
+
+# Sed expression to map a string onto a valid CPP name.
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+
+# Sed expression to map a string onto a valid variable name.
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+
+
+# IFS
+# We need space, tab and new line, in precisely that order.
+as_nl='
+'
+IFS=" $as_nl"
+
+# CDPATH.
+$as_unset CDPATH
+
+exec 6>&1
+
+# Open the log real soon, to keep \$[0] and so on meaningful, and to
+# report actual input values of CONFIG_FILES etc. instead of their
+# values after options handling. Logging --version etc. is OK.
+exec 5>>config.log
+{
+ echo
+ sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX
+## Running $as_me. ##
+_ASBOX
+} >&5
+cat >&5 <<_CSEOF
+
+This file was extended by $as_me, which was
+generated by GNU Autoconf 2.59. Invocation command line was
+
+ CONFIG_FILES = $CONFIG_FILES
+ CONFIG_HEADERS = $CONFIG_HEADERS
+ CONFIG_LINKS = $CONFIG_LINKS
+ CONFIG_COMMANDS = $CONFIG_COMMANDS
+ $ $0 $@
+
+_CSEOF
+echo "on `(hostname || uname -n) 2>/dev/null | sed 1q`" >&5
+echo >&5
+_ACEOF
+
+# Files that config.status was made for.
+if test -n "$ac_config_files"; then
+ echo "config_files=\"$ac_config_files\"" >>$CONFIG_STATUS
+fi
+
+if test -n "$ac_config_headers"; then
+ echo "config_headers=\"$ac_config_headers\"" >>$CONFIG_STATUS
+fi
+
+if test -n "$ac_config_links"; then
+ echo "config_links=\"$ac_config_links\"" >>$CONFIG_STATUS
+fi
+
+if test -n "$ac_config_commands"; then
+ echo "config_commands=\"$ac_config_commands\"" >>$CONFIG_STATUS
+fi
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+
+ac_cs_usage="\
+\`$as_me' instantiates files from templates according to the
+current configuration.
+
+Usage: $0 [OPTIONS] [FILE]...
+
+ -h, --help print this help, then exit
+ -V, --version print version number, then exit
+ -q, --quiet do not print progress messages
+ -d, --debug don't remove temporary files
+ --recheck update $as_me by reconfiguring in the same conditions
+ --file=FILE[:TEMPLATE]
+ instantiate the configuration file FILE
+ --header=FILE[:TEMPLATE]
+ instantiate the configuration header FILE
+
+Configuration files:
+$config_files
+
+Configuration headers:
+$config_headers
+
+Report bugs to <bug-autoconf@gnu.org>."
+_ACEOF
+
+cat >>$CONFIG_STATUS <<_ACEOF
+ac_cs_version="\\
+config.status
+configured by $0, generated by GNU Autoconf 2.59,
+ with options \\"`echo "$ac_configure_args" | sed 's/[\\""\`\$]/\\\\&/g'`\\"
+
+Copyright (C) 2003 Free Software Foundation, Inc.
+This config.status script is free software; the Free Software Foundation
+gives unlimited permission to copy, distribute and modify it."
+srcdir=$srcdir
+INSTALL="$INSTALL"
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+# If no file are specified by the user, then we need to provide default
+# value. By we need to know if files were specified by the user.
+ac_need_defaults=:
+while test $# != 0
+do
+ case $1 in
+ --*=*)
+ ac_option=`expr "x$1" : 'x\([^=]*\)='`
+ ac_optarg=`expr "x$1" : 'x[^=]*=\(.*\)'`
+ ac_shift=:
+ ;;
+ -*)
+ ac_option=$1
+ ac_optarg=$2
+ ac_shift=shift
+ ;;
+ *) # This is not an option, so the user has probably given explicit
+ # arguments.
+ ac_option=$1
+ ac_need_defaults=false;;
+ esac
+
+ case $ac_option in
+ # Handling of the options.
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
+ -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
+ ac_cs_recheck=: ;;
+ --version | --vers* | -V )
+ echo "$ac_cs_version"; exit 0 ;;
+ --he | --h)
+ # Conflict between --help and --header
+ { { echo "$as_me:$LINENO: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&5
+echo "$as_me: error: ambiguous option: $1
+Try \`$0 --help' for more information." >&2;}
+ { (exit 1); exit 1; }; };;
+ --help | --hel | -h )
+ echo "$ac_cs_usage"; exit 0 ;;
+ --debug | --d* | -d )
+ debug=: ;;
+ --file | --fil | --fi | --f )
+ $ac_shift
+ CONFIG_FILES="$CONFIG_FILES $ac_optarg"
+ ac_need_defaults=false;;
+ --header | --heade | --head | --hea )
+ $ac_shift
+ CONFIG_HEADERS="$CONFIG_HEADERS $ac_optarg"
+ ac_need_defaults=false;;
+ -q | -quiet | --quiet | --quie | --qui | --qu | --q \
+ | -silent | --silent | --silen | --sile | --sil | --si | --s)
+ ac_cs_silent=: ;;
+
+ # This is an error.
+ -*) { { echo "$as_me:$LINENO: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&5
+echo "$as_me: error: unrecognized option: $1
+Try \`$0 --help' for more information." >&2;}
+ { (exit 1); exit 1; }; } ;;
+
+ *) ac_config_targets="$ac_config_targets $1" ;;
+
+ esac
+ shift
+done
+
+ac_configure_extra_args=
+
+if $ac_cs_silent; then
+ exec 6>/dev/null
+ ac_configure_extra_args="$ac_configure_extra_args --silent"
+fi
+
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
+if \$ac_cs_recheck; then
+ echo "running $SHELL $0 " $ac_configure_args \$ac_configure_extra_args " --no-create --no-recursion" >&6
+ exec $SHELL $0 $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion
+fi
+
+_ACEOF
+
+
+
+
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+for ac_config_target in $ac_config_targets
+do
+ case "$ac_config_target" in
+ # Handling of arguments.
+ "Makefile" ) CONFIG_FILES="$CONFIG_FILES Makefile" ;;
+ "crypto/Makefile" ) CONFIG_FILES="$CONFIG_FILES crypto/Makefile" ;;
+ "doc/Makefile" ) CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
+ "crypto/include/config.h" ) CONFIG_HEADERS="$CONFIG_HEADERS crypto/include/config.h:config_in.h" ;;
+ *) { { echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
+echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
+ { (exit 1); exit 1; }; };;
+ esac
+done
+
+# If the user did not use the arguments to specify the items to instantiate,
+# then the envvar interface is used. Set only those that are not.
+# We use the long form for the default assignment because of an extremely
+# bizarre bug on SunOS 4.1.3.
+if $ac_need_defaults; then
+ test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
+ test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
+fi
+
+# Have a temporary directory for convenience. Make it in the build tree
+# simply because there is no reason to put it here, and in addition,
+# creating and moving files from /tmp can sometimes cause problems.
+# Create a temporary directory, and hook for its removal unless debugging.
+$debug ||
+{
+ trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0
+ trap '{ (exit 1); exit 1; }' 1 2 13 15
+}
+
+# Create a (secure) tmp directory for tmp files.
+
+{
+ tmp=`(umask 077 && mktemp -d -q "./confstatXXXXXX") 2>/dev/null` &&
+ test -n "$tmp" && test -d "$tmp"
+} ||
+{
+ tmp=./confstat$$-$RANDOM
+ (umask 077 && mkdir $tmp)
+} ||
+{
+ echo "$me: cannot create a temporary directory in ." >&2
+ { (exit 1); exit 1; }
+}
+
+_ACEOF
+
+cat >>$CONFIG_STATUS <<_ACEOF
+
+#
+# CONFIG_FILES section.
+#
+
+# No need to generate the scripts if there are no CONFIG_FILES.
+# This happens for instance when ./config.status config.h
+if test -n "\$CONFIG_FILES"; then
+ # Protect against being on the right side of a sed subst in config.status.
+ sed 's/,@/@@/; s/@,/@@/; s/,;t t\$/@;t t/; /@;t t\$/s/[\\\\&,]/\\\\&/g;
+ s/@@/,@/; s/@@/@,/; s/@;t t\$/,;t t/' >\$tmp/subs.sed <<\\CEOF
+s,@SHELL@,$SHELL,;t t
+s,@PATH_SEPARATOR@,$PATH_SEPARATOR,;t t
+s,@PACKAGE_NAME@,$PACKAGE_NAME,;t t
+s,@PACKAGE_TARNAME@,$PACKAGE_TARNAME,;t t
+s,@PACKAGE_VERSION@,$PACKAGE_VERSION,;t t
+s,@PACKAGE_STRING@,$PACKAGE_STRING,;t t
+s,@PACKAGE_BUGREPORT@,$PACKAGE_BUGREPORT,;t t
+s,@exec_prefix@,$exec_prefix,;t t
+s,@prefix@,$prefix,;t t
+s,@program_transform_name@,$program_transform_name,;t t
+s,@bindir@,$bindir,;t t
+s,@sbindir@,$sbindir,;t t
+s,@libexecdir@,$libexecdir,;t t
+s,@datadir@,$datadir,;t t
+s,@sysconfdir@,$sysconfdir,;t t
+s,@sharedstatedir@,$sharedstatedir,;t t
+s,@localstatedir@,$localstatedir,;t t
+s,@libdir@,$libdir,;t t
+s,@includedir@,$includedir,;t t
+s,@oldincludedir@,$oldincludedir,;t t
+s,@infodir@,$infodir,;t t
+s,@mandir@,$mandir,;t t
+s,@build_alias@,$build_alias,;t t
+s,@host_alias@,$host_alias,;t t
+s,@target_alias@,$target_alias,;t t
+s,@DEFS@,$DEFS,;t t
+s,@ECHO_C@,$ECHO_C,;t t
+s,@ECHO_N@,$ECHO_N,;t t
+s,@ECHO_T@,$ECHO_T,;t t
+s,@LIBS@,$LIBS,;t t
+s,@RANLIB@,$RANLIB,;t t
+s,@ac_ct_RANLIB@,$ac_ct_RANLIB,;t t
+s,@CC@,$CC,;t t
+s,@CFLAGS@,$CFLAGS,;t t
+s,@LDFLAGS@,$LDFLAGS,;t t
+s,@CPPFLAGS@,$CPPFLAGS,;t t
+s,@ac_ct_CC@,$ac_ct_CC,;t t
+s,@EXEEXT@,$EXEEXT,;t t
+s,@OBJEXT@,$OBJEXT,;t t
+s,@INSTALL_PROGRAM@,$INSTALL_PROGRAM,;t t
+s,@INSTALL_SCRIPT@,$INSTALL_SCRIPT,;t t
+s,@INSTALL_DATA@,$INSTALL_DATA,;t t
+s,@build@,$build,;t t
+s,@build_cpu@,$build_cpu,;t t
+s,@build_vendor@,$build_vendor,;t t
+s,@build_os@,$build_os,;t t
+s,@host@,$host,;t t
+s,@host_cpu@,$host_cpu,;t t
+s,@host_vendor@,$host_vendor,;t t
+s,@host_os@,$host_os,;t t
+s,@EXE@,$EXE,;t t
+s,@RNG_OBJS@,$RNG_OBJS,;t t
+s,@CPP@,$CPP,;t t
+s,@EGREP@,$EGREP,;t t
+s,@GDOI_OBJS@,$GDOI_OBJS,;t t
+s,@LIBOBJS@,$LIBOBJS,;t t
+s,@LTLIBOBJS@,$LTLIBOBJS,;t t
+CEOF
+
+_ACEOF
+
+ cat >>$CONFIG_STATUS <<\_ACEOF
+ # Split the substitutions into bite-sized pieces for seds with
+ # small command number limits, like on Digital OSF/1 and HP-UX.
+ ac_max_sed_lines=48
+ ac_sed_frag=1 # Number of current file.
+ ac_beg=1 # First line for current file.
+ ac_end=$ac_max_sed_lines # Line after last line for current file.
+ ac_more_lines=:
+ ac_sed_cmds=
+ while $ac_more_lines; do
+ if test $ac_beg -gt 1; then
+ sed "1,${ac_beg}d; ${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
+ else
+ sed "${ac_end}q" $tmp/subs.sed >$tmp/subs.frag
+ fi
+ if test ! -s $tmp/subs.frag; then
+ ac_more_lines=false
+ else
+ # The purpose of the label and of the branching condition is to
+ # speed up the sed processing (if there are no `@' at all, there
+ # is no need to browse any of the substitutions).
+ # These are the two extra sed commands mentioned above.
+ (echo ':t
+ /@[a-zA-Z_][a-zA-Z_0-9]*@/!b' && cat $tmp/subs.frag) >$tmp/subs-$ac_sed_frag.sed
+ if test -z "$ac_sed_cmds"; then
+ ac_sed_cmds="sed -f $tmp/subs-$ac_sed_frag.sed"
+ else
+ ac_sed_cmds="$ac_sed_cmds | sed -f $tmp/subs-$ac_sed_frag.sed"
+ fi
+ ac_sed_frag=`expr $ac_sed_frag + 1`
+ ac_beg=$ac_end
+ ac_end=`expr $ac_end + $ac_max_sed_lines`
+ fi
+ done
+ if test -z "$ac_sed_cmds"; then
+ ac_sed_cmds=cat
+ fi
+fi # test -n "$CONFIG_FILES"
+
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
+for ac_file in : $CONFIG_FILES; do test "x$ac_file" = x: && continue
+ # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
+ case $ac_file in
+ - | *:- | *:-:* ) # input from stdin
+ cat >$tmp/stdin
+ ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+ ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+ *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+ ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+ * ) ac_file_in=$ac_file.in ;;
+ esac
+
+ # Compute @srcdir@, @top_srcdir@, and @INSTALL@ for subdirectories.
+ ac_dir=`(dirname "$ac_file") 2>/dev/null ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$ac_file" : 'X\(//\)[^/]' \| \
+ X"$ac_file" : 'X\(//\)$' \| \
+ X"$ac_file" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$ac_file" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ { if $as_mkdir_p; then
+ mkdir -p "$ac_dir"
+ else
+ as_dir="$ac_dir"
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
+echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+ ac_builddir=.
+
+if test "$ac_dir" != .; then
+ ac_dir_suffix=/`echo "$ac_dir" | sed 's,^\.[\\/],,'`
+ # A "../" for each directory in $ac_dir_suffix.
+ ac_top_builddir=`echo "$ac_dir_suffix" | sed 's,/[^\\/]*,../,g'`
+else
+ ac_dir_suffix= ac_top_builddir=
+fi
+
+case $srcdir in
+ .) # No --srcdir option. We are building in place.
+ ac_srcdir=.
+ if test -z "$ac_top_builddir"; then
+ ac_top_srcdir=.
+ else
+ ac_top_srcdir=`echo $ac_top_builddir | sed 's,/$,,'`
+ fi ;;
+ [\\/]* | ?:[\\/]* ) # Absolute path.
+ ac_srcdir=$srcdir$ac_dir_suffix;
+ ac_top_srcdir=$srcdir ;;
+ *) # Relative path.
+ ac_srcdir=$ac_top_builddir$srcdir$ac_dir_suffix
+ ac_top_srcdir=$ac_top_builddir$srcdir ;;
+esac
+
+# Do not use `cd foo && pwd` to compute absolute paths, because
+# the directories may not exist.
+case `pwd` in
+.) ac_abs_builddir="$ac_dir";;
+*)
+ case "$ac_dir" in
+ .) ac_abs_builddir=`pwd`;;
+ [\\/]* | ?:[\\/]* ) ac_abs_builddir="$ac_dir";;
+ *) ac_abs_builddir=`pwd`/"$ac_dir";;
+ esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_builddir=${ac_top_builddir}.;;
+*)
+ case ${ac_top_builddir}. in
+ .) ac_abs_top_builddir=$ac_abs_builddir;;
+ [\\/]* | ?:[\\/]* ) ac_abs_top_builddir=${ac_top_builddir}.;;
+ *) ac_abs_top_builddir=$ac_abs_builddir/${ac_top_builddir}.;;
+ esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_srcdir=$ac_srcdir;;
+*)
+ case $ac_srcdir in
+ .) ac_abs_srcdir=$ac_abs_builddir;;
+ [\\/]* | ?:[\\/]* ) ac_abs_srcdir=$ac_srcdir;;
+ *) ac_abs_srcdir=$ac_abs_builddir/$ac_srcdir;;
+ esac;;
+esac
+case $ac_abs_builddir in
+.) ac_abs_top_srcdir=$ac_top_srcdir;;
+*)
+ case $ac_top_srcdir in
+ .) ac_abs_top_srcdir=$ac_abs_builddir;;
+ [\\/]* | ?:[\\/]* ) ac_abs_top_srcdir=$ac_top_srcdir;;
+ *) ac_abs_top_srcdir=$ac_abs_builddir/$ac_top_srcdir;;
+ esac;;
+esac
+
+
+ case $INSTALL in
+ [\\/$]* | ?:[\\/]* ) ac_INSTALL=$INSTALL ;;
+ *) ac_INSTALL=$ac_top_builddir$INSTALL ;;
+ esac
+
+ if test x"$ac_file" != x-; then
+ { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+ rm -f "$ac_file"
+ fi
+ # Let's still pretend it is `configure' which instantiates (i.e., don't
+ # use $as_me), people would be surprised to read:
+ # /* config.h. Generated by config.status. */
+ if test x"$ac_file" = x-; then
+ configure_input=
+ else
+ configure_input="$ac_file. "
+ fi
+ configure_input=$configure_input"Generated from `echo $ac_file_in |
+ sed 's,.*/,,'` by configure."
+
+ # First look for the input files in the build tree, otherwise in the
+ # src tree.
+ ac_file_inputs=`IFS=:
+ for f in $ac_file_in; do
+ case $f in
+ -) echo $tmp/stdin ;;
+ [\\/$]*)
+ # Absolute (can't be DOS-style, as IFS=:)
+ test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+ { (exit 1); exit 1; }; }
+ echo "$f";;
+ *) # Relative
+ if test -f "$f"; then
+ # Build tree
+ echo "$f"
+ elif test -f "$srcdir/$f"; then
+ # Source tree
+ echo "$srcdir/$f"
+ else
+ # /dev/null tree
+ { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+ { (exit 1); exit 1; }; }
+ fi;;
+ esac
+ done` || { (exit 1); exit 1; }
+_ACEOF
+cat >>$CONFIG_STATUS <<_ACEOF
+ sed "$ac_vpsub
+$extrasub
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
+:t
+/@[a-zA-Z_][a-zA-Z_0-9]*@/!b
+s,@configure_input@,$configure_input,;t t
+s,@srcdir@,$ac_srcdir,;t t
+s,@abs_srcdir@,$ac_abs_srcdir,;t t
+s,@top_srcdir@,$ac_top_srcdir,;t t
+s,@abs_top_srcdir@,$ac_abs_top_srcdir,;t t
+s,@builddir@,$ac_builddir,;t t
+s,@abs_builddir@,$ac_abs_builddir,;t t
+s,@top_builddir@,$ac_top_builddir,;t t
+s,@abs_top_builddir@,$ac_abs_top_builddir,;t t
+s,@INSTALL@,$ac_INSTALL,;t t
+" $ac_file_inputs | (eval "$ac_sed_cmds") >$tmp/out
+ rm -f $tmp/stdin
+ if test x"$ac_file" != x-; then
+ mv $tmp/out $ac_file
+ else
+ cat $tmp/out
+ rm -f $tmp/out
+ fi
+
+done
+_ACEOF
+cat >>$CONFIG_STATUS <<\_ACEOF
+
+#
+# CONFIG_HEADER section.
+#
+
+# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
+# NAME is the cpp macro being defined and VALUE is the value it is being given.
+#
+# ac_d sets the value in "#define NAME VALUE" lines.
+ac_dA='s,^\([ ]*\)#\([ ]*define[ ][ ]*\)'
+ac_dB='[ ].*$,\1#\2'
+ac_dC=' '
+ac_dD=',;t'
+# ac_u turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
+ac_uA='s,^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
+ac_uB='$,\1#\2define\3'
+ac_uC=' '
+ac_uD=',;t'
+
+for ac_file in : $CONFIG_HEADERS; do test "x$ac_file" = x: && continue
+ # Support "outfile[:infile[:infile...]]", defaulting infile="outfile.in".
+ case $ac_file in
+ - | *:- | *:-:* ) # input from stdin
+ cat >$tmp/stdin
+ ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+ ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+ *:* ) ac_file_in=`echo "$ac_file" | sed 's,[^:]*:,,'`
+ ac_file=`echo "$ac_file" | sed 's,:.*,,'` ;;
+ * ) ac_file_in=$ac_file.in ;;
+ esac
+
+ test x"$ac_file" != x- && { echo "$as_me:$LINENO: creating $ac_file" >&5
+echo "$as_me: creating $ac_file" >&6;}
+
+ # First look for the input files in the build tree, otherwise in the
+ # src tree.
+ ac_file_inputs=`IFS=:
+ for f in $ac_file_in; do
+ case $f in
+ -) echo $tmp/stdin ;;
+ [\\/$]*)
+ # Absolute (can't be DOS-style, as IFS=:)
+ test -f "$f" || { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+ { (exit 1); exit 1; }; }
+ # Do quote $f, to prevent DOS paths from being IFS'd.
+ echo "$f";;
+ *) # Relative
+ if test -f "$f"; then
+ # Build tree
+ echo "$f"
+ elif test -f "$srcdir/$f"; then
+ # Source tree
+ echo "$srcdir/$f"
+ else
+ # /dev/null tree
+ { { echo "$as_me:$LINENO: error: cannot find input file: $f" >&5
+echo "$as_me: error: cannot find input file: $f" >&2;}
+ { (exit 1); exit 1; }; }
+ fi;;
+ esac
+ done` || { (exit 1); exit 1; }
+ # Remove the trailing spaces.
+ sed 's/[ ]*$//' $ac_file_inputs >$tmp/in
+
+_ACEOF
+
+# Transform confdefs.h into two sed scripts, `conftest.defines' and
+# `conftest.undefs', that substitutes the proper values into
+# config.h.in to produce config.h. The first handles `#define'
+# templates, and the second `#undef' templates.
+# And first: Protect against being on the right side of a sed subst in
+# config.status. Protect against being in an unquoted here document
+# in config.status.
+rm -f conftest.defines conftest.undefs
+# Using a here document instead of a string reduces the quoting nightmare.
+# Putting comments in sed scripts is not portable.
+#
+# `end' is used to avoid that the second main sed command (meant for
+# 0-ary CPP macros) applies to n-ary macro definitions.
+# See the Autoconf documentation for `clear'.
+cat >confdef2sed.sed <<\_ACEOF
+s/[\\&,]/\\&/g
+s,[\\$`],\\&,g
+t clear
+: clear
+s,^[ ]*#[ ]*define[ ][ ]*\([^ (][^ (]*\)\(([^)]*)\)[ ]*\(.*\)$,${ac_dA}\1${ac_dB}\1\2${ac_dC}\3${ac_dD},gp
+t end
+s,^[ ]*#[ ]*define[ ][ ]*\([^ ][^ ]*\)[ ]*\(.*\)$,${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD},gp
+: end
+_ACEOF
+# If some macros were called several times there might be several times
+# the same #defines, which is useless. Nevertheless, we may not want to
+# sort them, since we want the *last* AC-DEFINE to be honored.
+uniq confdefs.h | sed -n -f confdef2sed.sed >conftest.defines
+sed 's/ac_d/ac_u/g' conftest.defines >conftest.undefs
+rm -f confdef2sed.sed
+
+# This sed command replaces #undef with comments. This is necessary, for
+# example, in the case of _POSIX_SOURCE, which is predefined and required
+# on some systems where configure will not decide to define it.
+cat >>conftest.undefs <<\_ACEOF
+s,^[ ]*#[ ]*undef[ ][ ]*[a-zA-Z_][a-zA-Z_0-9]*,/* & */,
+_ACEOF
+
+# Break up conftest.defines because some shells have a limit on the size
+# of here documents, and old seds have small limits too (100 cmds).
+echo ' # Handle all the #define templates only if necessary.' >>$CONFIG_STATUS
+echo ' if grep "^[ ]*#[ ]*define" $tmp/in >/dev/null; then' >>$CONFIG_STATUS
+echo ' # If there are no defines, we may have an empty if/fi' >>$CONFIG_STATUS
+echo ' :' >>$CONFIG_STATUS
+rm -f conftest.tail
+while grep . conftest.defines >/dev/null
+do
+ # Write a limited-size here document to $tmp/defines.sed.
+ echo ' cat >$tmp/defines.sed <<CEOF' >>$CONFIG_STATUS
+ # Speed up: don't consider the non `#define' lines.
+ echo '/^[ ]*#[ ]*define/!b' >>$CONFIG_STATUS
+ # Work around the forget-to-reset-the-flag bug.
+ echo 't clr' >>$CONFIG_STATUS
+ echo ': clr' >>$CONFIG_STATUS
+ sed ${ac_max_here_lines}q conftest.defines >>$CONFIG_STATUS
+ echo 'CEOF
+ sed -f $tmp/defines.sed $tmp/in >$tmp/out
+ rm -f $tmp/in
+ mv $tmp/out $tmp/in
+' >>$CONFIG_STATUS
+ sed 1,${ac_max_here_lines}d conftest.defines >conftest.tail
+ rm -f conftest.defines
+ mv conftest.tail conftest.defines
+done
+rm -f conftest.defines
+echo ' fi # grep' >>$CONFIG_STATUS
+echo >>$CONFIG_STATUS
+
+# Break up conftest.undefs because some shells have a limit on the size
+# of here documents, and old seds have small limits too (100 cmds).
+echo ' # Handle all the #undef templates' >>$CONFIG_STATUS
+rm -f conftest.tail
+while grep . conftest.undefs >/dev/null
+do
+ # Write a limited-size here document to $tmp/undefs.sed.
+ echo ' cat >$tmp/undefs.sed <<CEOF' >>$CONFIG_STATUS
+ # Speed up: don't consider the non `#undef'
+ echo '/^[ ]*#[ ]*undef/!b' >>$CONFIG_STATUS
+ # Work around the forget-to-reset-the-flag bug.
+ echo 't clr' >>$CONFIG_STATUS
+ echo ': clr' >>$CONFIG_STATUS
+ sed ${ac_max_here_lines}q conftest.undefs >>$CONFIG_STATUS
+ echo 'CEOF
+ sed -f $tmp/undefs.sed $tmp/in >$tmp/out
+ rm -f $tmp/in
+ mv $tmp/out $tmp/in
+' >>$CONFIG_STATUS
+ sed 1,${ac_max_here_lines}d conftest.undefs >conftest.tail
+ rm -f conftest.undefs
+ mv conftest.tail conftest.undefs
+done
+rm -f conftest.undefs
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+ # Let's still pretend it is `configure' which instantiates (i.e., don't
+ # use $as_me), people would be surprised to read:
+ # /* config.h. Generated by config.status. */
+ if test x"$ac_file" = x-; then
+ echo "/* Generated by configure. */" >$tmp/config.h
+ else
+ echo "/* $ac_file. Generated by configure. */" >$tmp/config.h
+ fi
+ cat $tmp/in >>$tmp/config.h
+ rm -f $tmp/in
+ if test x"$ac_file" != x-; then
+ if diff $ac_file $tmp/config.h >/dev/null 2>&1; then
+ { echo "$as_me:$LINENO: $ac_file is unchanged" >&5
+echo "$as_me: $ac_file is unchanged" >&6;}
+ else
+ ac_dir=`(dirname "$ac_file") 2>/dev/null ||
+$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$ac_file" : 'X\(//\)[^/]' \| \
+ X"$ac_file" : 'X\(//\)$' \| \
+ X"$ac_file" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$ac_file" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ { if $as_mkdir_p; then
+ mkdir -p "$ac_dir"
+ else
+ as_dir="$ac_dir"
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory \"$ac_dir\"" >&5
+echo "$as_me: error: cannot create directory \"$ac_dir\"" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+ rm -f $ac_file
+ mv $tmp/config.h $ac_file
+ fi
+ else
+ cat $tmp/config.h
+ rm -f $tmp/config.h
+ fi
+done
+_ACEOF
+
+cat >>$CONFIG_STATUS <<\_ACEOF
+
+{ (exit 0); exit 0; }
+_ACEOF
+chmod +x $CONFIG_STATUS
+ac_clean_files=$ac_clean_files_save
+
+
+# configure is writing to config.log, and then calls config.status.
+# config.status does its own redirection, appending to config.log.
+# Unfortunately, on DOS this fails, as config.log is still kept open
+# by configure, so config.status won't be able to write to it; its
+# output is simply discarded. So we exec the FD to /dev/null,
+# effectively closing config.log, so it can be properly (re)opened and
+# appended to by config.status. When coming back to configure, we
+# need to make the FD available again.
+if test "$no_create" != yes; then
+ ac_cs_success=:
+ ac_config_status_args=
+ test "$silent" = yes &&
+ ac_config_status_args="$ac_config_status_args --quiet"
+ exec 5>/dev/null
+ $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false
+ exec 5>>config.log
+ # Use ||, not &&, to avoid exiting from the if with $? = 1, which
+ # would make configure fail if this is the last instruction.
+ $ac_cs_success || { (exit 1); exit 1; }
+fi
+
+
+# This is needed when building outside the source dir.
+{ if $as_mkdir_p; then
+ mkdir -p crypto/ae_xfm
+ else
+ as_dir=crypto/ae_xfm
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory crypto/ae_xfm" >&5
+echo "$as_me: error: cannot create directory crypto/ae_xfm" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p crypto/cipher
+ else
+ as_dir=crypto/cipher
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory crypto/cipher" >&5
+echo "$as_me: error: cannot create directory crypto/cipher" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p crypto/hash
+ else
+ as_dir=crypto/hash
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory crypto/hash" >&5
+echo "$as_me: error: cannot create directory crypto/hash" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p crypto/kernel
+ else
+ as_dir=crypto/kernel
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory crypto/kernel" >&5
+echo "$as_me: error: cannot create directory crypto/kernel" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p crypto/math
+ else
+ as_dir=crypto/math
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory crypto/math" >&5
+echo "$as_me: error: cannot create directory crypto/math" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p crypto/replay
+ else
+ as_dir=crypto/replay
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory crypto/replay" >&5
+echo "$as_me: error: cannot create directory crypto/replay" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p crypto/rng
+ else
+ as_dir=crypto/rng
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory crypto/rng" >&5
+echo "$as_me: error: cannot create directory crypto/rng" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p crypto/test
+ else
+ as_dir=crypto/test
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory crypto/test" >&5
+echo "$as_me: error: cannot create directory crypto/test" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p doc
+ else
+ as_dir=doc
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory doc" >&5
+echo "$as_me: error: cannot create directory doc" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p srtp
+ else
+ as_dir=srtp
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory srtp" >&5
+echo "$as_me: error: cannot create directory srtp" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p tables
+ else
+ as_dir=tables
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory tables" >&5
+echo "$as_me: error: cannot create directory tables" >&2;}
+ { (exit 1); exit 1; }; }; }
+
+{ if $as_mkdir_p; then
+ mkdir -p test
+ else
+ as_dir=test
+ as_dirs=
+ while test ! -d "$as_dir"; do
+ as_dirs="$as_dir $as_dirs"
+ as_dir=`(dirname "$as_dir") 2>/dev/null ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+ X"$as_dir" : 'X\(//\)[^/]' \| \
+ X"$as_dir" : 'X\(//\)$' \| \
+ X"$as_dir" : 'X\(/\)' \| \
+ . : '\(.\)' 2>/dev/null ||
+echo X"$as_dir" |
+ sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ s//\1/; q; }
+ /^X\(\/\/\)[^/].*/{ s//\1/; q; }
+ /^X\(\/\/\)$/{ s//\1/; q; }
+ /^X\(\/\).*/{ s//\1/; q; }
+ s/.*/./; q'`
+ done
+ test ! -n "$as_dirs" || mkdir $as_dirs
+ fi || { { echo "$as_me:$LINENO: error: cannot create directory test" >&5
+echo "$as_me: error: cannot create directory test" >&2;}
+ { (exit 1); exit 1; }; }; }
+
diff --git a/configure.in b/configure.in
new file mode 100644
index 0000000..d6ad247
--- /dev/null
+++ b/configure.in
@@ -0,0 +1,209 @@
+dnl Process this file with autoconf to produce a configure script.
+AC_INIT(srtp)
+
+dnl Must come before AC_PROG_CC
+if test -z "$CFLAGS"; then
+ dnl Default value for CFLAGS if not specified.
+ CFLAGS="-Wall -O4 -fexpensive-optimizations -funroll-loops"
+fi
+
+dnl Checks for programs.
+AC_PROG_RANLIB
+AC_PROG_CC
+AC_PROG_INSTALL
+
+dnl Check the byte order
+AC_C_BIGENDIAN
+
+AC_CANONICAL_HOST
+
+dnl check host_cpu type, set defines appropriately
+case $host_cpu in
+ i*86 )
+ AC_DEFINE(CPU_CISC, 1,
+ [Define if building for a CISC machine (e.g. Intel).])
+ AC_DEFINE(HAVE_X86, 1,
+ [Define to use X86 inlined assembly code]);;
+ * )
+ # CPU_RISC is only supported for big endian machines.
+ if test "$ac_cv_c_bigendian" = "yes"; then
+ AC_DEFINE(CPU_RISC, 1,
+ [Define if building for a RISC machine (assume slow byte access).])
+ else
+ AC_DEFINE(CPU_CISC, 1)
+ fi
+ ;;
+esac
+
+dnl Check if we are on a Windows platform.
+case $host_os in
+ *cygwin*|*mingw* )
+ EXE=.exe
+ HOST_IS_WINDOWS=yes
+ ;;
+ * )
+ EXE=""
+ ;;
+esac
+AC_SUBST(EXE) # define executable suffix; this is needed for `make clean'
+
+
+AC_ARG_ENABLE(kernel-linux,
+ [AS_HELP_STRING([--enable-kernel-linux],
+ [build library to run in Linux kernel context])],
+ [], enable_kernel_linux=no)
+AC_MSG_CHECKING(whether to build for Linux kernel context)
+if test "$enable_kernel_linux" = "yes"; then
+ AC_DEFINE(SRTP_KERNEL, 1,
+ [Define to compile for kernel contexts.])
+ AC_DEFINE(SRTP_KERNEL_LINUX, 1,
+ [Define to compile for Linux kernel context.])
+fi
+AC_MSG_RESULT($enable_kernel_linux)
+
+if test "$cross_compiling" != yes -a "$HOST_IS_WINDOWS" != yes; then
+ dnl Check for /dev/urandom
+ AC_CHECK_FILE(/dev/urandom, DEV_URANDOM=/dev/urandom,
+ [AC_CHECK_FILE(/dev/random, DEV_URANDOM=/dev/random)])
+fi
+
+AC_MSG_CHECKING(which random device to use)
+if test "$enable_kernel_linux" = "yes"; then
+ RNG_OBJS=rand_linux_kernel.o
+ AC_MSG_RESULT([Linux kernel builtin])
+else
+ RNG_OBJS=rand_source.o
+ if test -n "$DEV_URANDOM"; then
+ AC_DEFINE_UNQUOTED(DEV_URANDOM, "$DEV_URANDOM",[Path to random device])
+ AC_MSG_RESULT([$DEV_URANDOM])
+ else
+ AC_MSG_RESULT([standard rand() function...])
+ fi
+fi
+AC_SUBST(RNG_OBJS)
+
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_CHECK_HEADERS(stdlib.h)
+AC_CHECK_HEADERS(unistd.h)
+AC_CHECK_HEADERS(byteswap.h)
+AC_CHECK_HEADERS(stdint.h)
+AC_CHECK_HEADERS(sys/uio.h)
+AC_CHECK_HEADERS(inttypes.h)
+AC_CHECK_HEADERS(sys/types.h)
+AC_CHECK_HEADERS(machine/types.h)
+AC_CHECK_HEADERS(sys/int_types.h)
+
+dnl socket() and friends
+AC_CHECK_HEADERS(sys/socket.h netinet/in.h arpa/inet.h)
+AC_CHECK_HEADERS(windows.h, [AC_CHECK_HEADERS(winsock2.h)])
+
+AC_CHECK_HEADERS(syslog.h)
+
+AC_CHECK_TYPES([int8_t,uint8_t,int16_t,uint16_t,int32_t,uint32_t,uint64_t])
+AC_CHECK_SIZEOF(unsigned long)
+AC_CHECK_SIZEOF(unsigned long long)
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_C_INLINE
+AC_TYPE_SIZE_T
+
+dnl Checks for library functions.
+AC_CHECK_FUNCS(socket inet_aton usleep)
+
+dnl Find socket function if not found yet.
+if test "x$ac_cv_func_socket" = "xno"; then
+ AC_CHECK_LIB(socket, socket)
+ AC_MSG_CHECKING([for socket in -lwsock32])
+ SAVELIBS="$LIBS"
+ LIBS="$LIBS -lwsock32"
+ AC_TRY_LINK([
+#include <winsock2.h>
+],[
+socket(0, 0, 0);
+],
+ ac_cv_func_socket=yes
+ AC_MSG_RESULT(yes),
+ LIBS="$SAVELIBS"
+ AC_MSG_RESULT(no))
+fi
+
+AC_MSG_CHECKING(whether to compile in debugging)
+AC_ARG_ENABLE(debug,
+ [AS_HELP_STRING([--disable-debug],
+ [do not compile in dynamic debugging system])],
+ [], enable_debug=yes)
+if test "$enable_debug" = "yes"; then
+ AC_DEFINE(ENABLE_DEBUGGING, 1,
+ [Define to compile in dynamic debugging system.])
+fi
+AC_MSG_RESULT($enable_debug)
+
+AC_MSG_CHECKING(whether to use ISMAcryp code)
+AC_ARG_ENABLE(generic-aesicm,
+ [AS_HELP_STRING([--enable-generic-aesicm],
+ [compile in changes for ISMAcryp])],
+ [], enable_generic_aesicm=no)
+if test "$enable_generic_aesicm" = "yes"; then
+ AC_DEFINE(GENERIC_AESICM, 1, [Define this to use ISMAcryp code.])
+fi
+AC_MSG_RESULT($enable_generic_aesicm)
+
+AC_MSG_CHECKING(whether to use syslog for error reporting)
+AC_ARG_ENABLE(syslog,
+ [AS_HELP_STRING([--enable-syslog], [use syslog for error reporting])],
+ [], enable_syslog=no)
+if test "$enable_syslog" = "yes"; then
+ AC_DEFINE(USE_SYSLOG, 1, [Define to use syslog logging.])
+fi
+AC_MSG_RESULT($enable_syslog)
+
+AC_MSG_CHECKING(whether to use stdout for error reporting)
+AC_ARG_ENABLE(stdout,
+ [AS_HELP_STRING([--disable-stdout], [don't use stdout for error reporting])],
+ [], enable_stdout=yes)
+if test "$enable_stdout" = "yes"; then
+ AC_DEFINE(ERR_REPORTING_STDOUT, 1, [Define to use logging to stdout.])
+fi
+AC_MSG_RESULT($enable_stdout)
+
+AC_MSG_CHECKING(whether to use /dev/console for error reporting)
+AC_ARG_ENABLE(console,
+ [AS_HELP_STRING([--enable-console], [use /dev/console for error reporting])],
+ [], enable_console=no)
+if test "$enable_console" = "yes"; then
+ AC_DEFINE(USE_ERR_REPORTING_FILE, 1, [Write errors to this file])
+ AC_DEFINE(ERR_REPORTING_FILE, "/dev/console", [Report errors to this file.])
+fi
+AC_MSG_RESULT($enable_console)
+
+AC_MSG_CHECKING(whether to use GDOI key management)
+AC_ARG_ENABLE(gdoi,
+ [AS_HELP_STRING([--enable-gdoi], [enable GDOI key management])],
+ [], enable_gdoi=no)
+if test "$enable_gdoi" = "yes"; then
+ AC_DEFINE(SRTP_GDOI, 1, [Define to use GDOI.])
+ GDOI_OBJS=gdoi/srtp+gdoi.o
+ AC_SUBST(GDOI_OBJS)
+fi
+AC_MSG_RESULT($enable_gdoi)
+
+AC_CONFIG_HEADER(crypto/include/config.h:config_in.h)
+
+AC_OUTPUT(Makefile crypto/Makefile doc/Makefile)
+
+# This is needed when building outside the source dir.
+AS_MKDIR_P(crypto/ae_xfm)
+AS_MKDIR_P(crypto/cipher)
+AS_MKDIR_P(crypto/hash)
+AS_MKDIR_P(crypto/kernel)
+AS_MKDIR_P(crypto/math)
+AS_MKDIR_P(crypto/replay)
+AS_MKDIR_P(crypto/rng)
+AS_MKDIR_P(crypto/test)
+AS_MKDIR_P(doc)
+AS_MKDIR_P(srtp)
+AS_MKDIR_P(tables)
+AS_MKDIR_P(test)
diff --git a/crypto/Makefile b/crypto/Makefile
new file mode 100644
index 0000000..d7ac61f
--- /dev/null
+++ b/crypto/Makefile
@@ -0,0 +1,130 @@
+# Makefile for libcryptomodule.a
+#
+# David A. McGrew
+# Cisco Systems, Inc.
+
+srcdir = .
+top_srcdir = ..
+top_builddir = ../
+
+
+CC = gcc
+INCDIR = -Iinclude -I$(srcdir)/include
+DEFS = -DHAVE_CONFIG_H
+CPPFLAGS=
+CFLAGS = -Wall -O4 -fexpensive-optimizations -funroll-loops
+LIBS =
+LDFLAGS = -L.
+COMPILE = $(CC) $(DEFS) $(INCDIR) $(CPPFLAGS) $(CFLAGS)
+CRYPTOLIB = -lcryptomodule
+
+RANLIB = ranlib
+
+# EXE defines the suffix on executables - it's .exe for cygwin, and
+# null on linux, bsd, and OS X and other OSes. we define this so that
+# `make clean` will work on the cygwin platform
+EXE =
+# Random source.
+RNG_OBJS = rand_source.o
+
+ifdef ARCH
+ DEFS += -D$(ARCH)=1
+endif
+
+ifdef sysname
+ DEFS += -D$(sysname)=1
+endif
+
+.PHONY: dummy all runtest clean superclean
+
+dummy : all runtest
+
+# test applications
+
+testapp = test/cipher_driver$(EXE) test/datatypes_driver$(EXE) \
+ test/stat_driver$(EXE) test/sha1_driver$(EXE) \
+ test/kernel_driver$(EXE) test/aes_calc$(EXE) test/rand_gen$(EXE) \
+ test/env$(EXE)
+
+# data values used to test the aes_calc application
+
+k=000102030405060708090a0b0c0d0e0f
+p=00112233445566778899aabbccddeeff
+c=69c4e0d86a7b0430d8cdb78070b4c55a
+
+runtest: libcryptomodule.a $(testapp)
+ test/env$(EXE) # print out information on the build environment
+ @echo "running libcryptomodule test applications..."
+ test `test/aes_calc $k $p` = $c
+ test/cipher_driver$(EXE) -v >/dev/null
+ test/datatypes_driver$(EXE) -v >/dev/null
+ test/stat_driver$(EXE) >/dev/null
+ test/sha1_driver$(EXE) -v >/dev/null
+ test/kernel_driver$(EXE) -v >/dev/null
+ test/rand_gen$(EXE) -n 256 >/dev/null
+ @echo "libcryptomodule test applications passed."
+
+# libcryptomodule.a (the crypto engine)
+
+ciphers = cipher/cipher.o cipher/null_cipher.o \
+ cipher/aes.o cipher/aes_icm.o \
+ cipher/aes_cbc.o
+
+hashes = hash/null_auth.o hash/sha1.o \
+ hash/hmac.o hash/auth.o
+
+math = math/datatypes.o math/stat.o
+
+rng = rng/$(RNG_OBJS) rng/rand_source.o rng/prng.o rng/ctr_prng.o
+
+err = kernel/err.o
+
+kernel = kernel/crypto_kernel.o kernel/alloc.o \
+ kernel/key.o $(rng) $(err)
+
+xfm = ae_xfm/xfm.o
+
+cryptobj = $(ciphers) $(hashes) $(math) $(stat) $(kernel) $(xfm)
+
+# the rule for making object files and test apps
+
+%.o: %.c
+ $(COMPILE) -c $< -o $@
+
+%$(EXE): %.c libcryptomodule.a
+ $(COMPILE) $(LDFLAGS) $< -o $@ $(CRYPTOLIB) $(LIBS)
+
+ifndef AR
+ AR=ar
+endif
+
+# and the crypto module library itself
+
+libcryptomodule.a: $(cryptobj)
+ $(AR) cr libcryptomodule.a $(cryptobj)
+ $(RANLIB) libcryptomodule.a
+
+all: libcryptomodule.a $(testapp)
+
+# housekeeping functions
+
+clean:
+ rm -f libcryptomodule.a
+ rm -f $(testapp) *.o */*.o
+ for a in * .* */*; do if [ -f "$$a~" ] ; then rm $$a~; fi; done;
+ rm -f `find . -name "*.[ch]~*~"`
+ rm -rf latex
+
+superclean: clean
+ rm -f *core TAGS ktrace.out
+
+
+# the target 'package' builds a compressed tar archive of the source code
+
+distname = crypto-$(shell cat VERSION)
+
+package: superclean
+ cd ..; tar cvzf $(distname).tgz crypto/
+
+
+# EOF
diff --git a/crypto/Makefile.in b/crypto/Makefile.in
new file mode 100644
index 0000000..c14dba5
--- /dev/null
+++ b/crypto/Makefile.in
@@ -0,0 +1,130 @@
+# Makefile for libcryptomodule.a
+#
+# David A. McGrew
+# Cisco Systems, Inc.
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+top_builddir = @top_builddir@
+VPATH = @srcdir@
+
+CC = @CC@
+INCDIR = -Iinclude -I$(srcdir)/include
+DEFS = @DEFS@
+CPPFLAGS= @CPPFLAGS@
+CFLAGS = @CFLAGS@
+LIBS = @LIBS@
+LDFLAGS = @LDFLAGS@ -L.
+COMPILE = $(CC) $(DEFS) $(INCDIR) $(CPPFLAGS) $(CFLAGS)
+CRYPTOLIB = -lcryptomodule
+
+RANLIB = @RANLIB@
+
+# EXE defines the suffix on executables - it's .exe for cygwin, and
+# null on linux, bsd, and OS X and other OSes. we define this so that
+# `make clean` will work on the cygwin platform
+EXE = @EXE@
+# Random source.
+RNG_OBJS = @RNG_OBJS@
+
+ifdef ARCH
+ DEFS += -D$(ARCH)=1
+endif
+
+ifdef sysname
+ DEFS += -D$(sysname)=1
+endif
+
+.PHONY: dummy all runtest clean superclean
+
+dummy : all runtest
+
+# test applications
+
+testapp = test/cipher_driver$(EXE) test/datatypes_driver$(EXE) \
+ test/stat_driver$(EXE) test/sha1_driver$(EXE) \
+ test/kernel_driver$(EXE) test/aes_calc$(EXE) test/rand_gen$(EXE) \
+ test/env$(EXE)
+
+# data values used to test the aes_calc application
+
+k=000102030405060708090a0b0c0d0e0f
+p=00112233445566778899aabbccddeeff
+c=69c4e0d86a7b0430d8cdb78070b4c55a
+
+runtest: libcryptomodule.a $(testapp)
+ test/env$(EXE) # print out information on the build environment
+ @echo "running libcryptomodule test applications..."
+ test `test/aes_calc $k $p` = $c
+ test/cipher_driver$(EXE) -v >/dev/null
+ test/datatypes_driver$(EXE) -v >/dev/null
+ test/stat_driver$(EXE) >/dev/null
+ test/sha1_driver$(EXE) -v >/dev/null
+ test/kernel_driver$(EXE) -v >/dev/null
+ test/rand_gen$(EXE) -n 256 >/dev/null
+ @echo "libcryptomodule test applications passed."
+
+# libcryptomodule.a (the crypto engine)
+
+ciphers = cipher/cipher.o cipher/null_cipher.o \
+ cipher/aes.o cipher/aes_icm.o \
+ cipher/aes_cbc.o
+
+hashes = hash/null_auth.o hash/sha1.o \
+ hash/hmac.o hash/auth.o
+
+math = math/datatypes.o math/stat.o
+
+rng = rng/$(RNG_OBJS) rng/rand_source.o rng/prng.o rng/ctr_prng.o
+
+err = kernel/err.o
+
+kernel = kernel/crypto_kernel.o kernel/alloc.o \
+ kernel/key.o $(rng) $(err)
+
+xfm = ae_xfm/xfm.o
+
+cryptobj = $(ciphers) $(hashes) $(math) $(stat) $(kernel) $(xfm)
+
+# the rule for making object files and test apps
+
+%.o: %.c
+ $(COMPILE) -c $< -o $@
+
+%$(EXE): %.c libcryptomodule.a
+ $(COMPILE) $(LDFLAGS) $< -o $@ $(CRYPTOLIB) $(LIBS)
+
+ifndef AR
+ AR=ar
+endif
+
+# and the crypto module library itself
+
+libcryptomodule.a: $(cryptobj)
+ $(AR) cr libcryptomodule.a $(cryptobj)
+ $(RANLIB) libcryptomodule.a
+
+all: libcryptomodule.a $(testapp)
+
+# housekeeping functions
+
+clean:
+ rm -f libcryptomodule.a
+ rm -f $(testapp) *.o */*.o
+ for a in * .* */*; do if [ -f "$$a~" ] ; then rm $$a~; fi; done;
+ rm -f `find . -name "*.[ch]~*~"`
+ rm -rf latex
+
+superclean: clean
+ rm -f *core TAGS ktrace.out
+
+
+# the target 'package' builds a compressed tar archive of the source code
+
+distname = crypto-$(shell cat VERSION)
+
+package: superclean
+ cd ..; tar cvzf $(distname).tgz crypto/
+
+
+# EOF
diff --git a/crypto/VERSION b/crypto/VERSION
new file mode 100644
index 0000000..3eefcb9
--- /dev/null
+++ b/crypto/VERSION
@@ -0,0 +1 @@
+1.0.0
diff --git a/crypto/ae_xfm/xfm.c b/crypto/ae_xfm/xfm.c
new file mode 100644
index 0000000..4765b0a
--- /dev/null
+++ b/crypto/ae_xfm/xfm.c
@@ -0,0 +1,571 @@
+/*
+ * xfm.c
+ *
+ * Crypto transform implementation
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+#include "cryptoalg.h"
+#include "aes_cbc.h"
+#include "hmac.h"
+#include "crypto_kernel.h" /* for crypto_get_random() */
+
+#define KEY_LEN 16
+#define ENC_KEY_LEN 16
+#define MAC_KEY_LEN 16
+#define IV_LEN 16
+#define TAG_LEN 12
+#define MAX_EXPAND 27
+
+err_status_t
+aes_128_cbc_hmac_sha1_96_func(void *key,
+ void *clear,
+ unsigned clear_len,
+ void *iv,
+ void *opaque,
+ unsigned *opaque_len,
+ void *auth_tag) {
+ aes_cbc_ctx_t aes_ctx;
+ hmac_ctx_t hmac_ctx;
+ unsigned char enc_key[ENC_KEY_LEN];
+ unsigned char mac_key[MAC_KEY_LEN];
+ err_status_t status;
+
+ /* check if we're doing authentication only */
+ if ((iv == NULL) && (opaque == NULL) && (opaque_len == NULL)) {
+
+ /* perform authentication only */
+
+ } else if ((iv == NULL) || (opaque == NULL) || (opaque_len == NULL)) {
+
+ /*
+ * bad parameter - we expect either all three pointers to be NULL,
+ * or none of those pointers to be NULL
+ */
+ return err_status_fail;
+
+ } else {
+
+ /* derive encryption and authentication keys from the input key */
+ status = hmac_init(&hmac_ctx, key, KEY_LEN);
+ if (status) return status;
+ status = hmac_compute(&hmac_ctx, "ENC", 3, ENC_KEY_LEN, enc_key);
+ if (status) return status;
+
+ status = hmac_init(&hmac_ctx, key, KEY_LEN);
+ if (status) return status;
+ status = hmac_compute(&hmac_ctx, "MAC", 3, MAC_KEY_LEN, mac_key);
+ if (status) return status;
+
+
+ /* perform encryption and authentication */
+
+ /* set aes key */
+ status = aes_cbc_context_init(&aes_ctx, key, direction_encrypt);
+ if (status) return status;
+
+ /* set iv */
+ status = crypto_get_random(iv, IV_LEN);
+ if (status) return status;
+ status = aes_cbc_set_iv(&aes_ctx, iv);
+
+ /* encrypt the opaque data */
+ status = aes_cbc_nist_encrypt(&aes_ctx, opaque, opaque_len);
+ if (status) return status;
+
+ /* authenticate clear and opaque data */
+ status = hmac_init(&hmac_ctx, mac_key, MAC_KEY_LEN);
+ if (status) return status;
+
+ status = hmac_start(&hmac_ctx);
+ if (status) return status;
+
+ status = hmac_update(&hmac_ctx, clear, clear_len);
+ if (status) return status;
+
+ status = hmac_compute(&hmac_ctx, opaque, *opaque_len, TAG_LEN, auth_tag);
+ if (status) return status;
+
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+aes_128_cbc_hmac_sha1_96_inv(void *key,
+ void *clear,
+ unsigned clear_len,
+ void *iv,
+ void *opaque,
+ unsigned *opaque_len,
+ void *auth_tag) {
+ aes_cbc_ctx_t aes_ctx;
+ hmac_ctx_t hmac_ctx;
+ unsigned char enc_key[ENC_KEY_LEN];
+ unsigned char mac_key[MAC_KEY_LEN];
+ unsigned char tmp_tag[TAG_LEN];
+ unsigned char *tag = auth_tag;
+ err_status_t status;
+ int i;
+
+ /* check if we're doing authentication only */
+ if ((iv == NULL) && (opaque == NULL) && (opaque_len == NULL)) {
+
+ /* perform authentication only */
+
+ } else if ((iv == NULL) || (opaque == NULL) || (opaque_len == NULL)) {
+
+ /*
+ * bad parameter - we expect either all three pointers to be NULL,
+ * or none of those pointers to be NULL
+ */
+ return err_status_fail;
+
+ } else {
+
+ /* derive encryption and authentication keys from the input key */
+ status = hmac_init(&hmac_ctx, key, KEY_LEN);
+ if (status) return status;
+ status = hmac_compute(&hmac_ctx, "ENC", 3, ENC_KEY_LEN, enc_key);
+ if (status) return status;
+
+ status = hmac_init(&hmac_ctx, key, KEY_LEN);
+ if (status) return status;
+ status = hmac_compute(&hmac_ctx, "MAC", 3, MAC_KEY_LEN, mac_key);
+ if (status) return status;
+
+ /* perform encryption and authentication */
+
+ /* set aes key */
+ status = aes_cbc_context_init(&aes_ctx, key, direction_decrypt);
+ if (status) return status;
+
+ /* set iv */
+ status = rand_source_get_octet_string(iv, IV_LEN);
+ if (status) return status;
+ status = aes_cbc_set_iv(&aes_ctx, iv);
+
+ /* encrypt the opaque data */
+ status = aes_cbc_nist_decrypt(&aes_ctx, opaque, opaque_len);
+ if (status) return status;
+
+ /* authenticate clear and opaque data */
+ status = hmac_init(&hmac_ctx, mac_key, MAC_KEY_LEN);
+ if (status) return status;
+
+ status = hmac_start(&hmac_ctx);
+ if (status) return status;
+
+ status = hmac_update(&hmac_ctx, clear, clear_len);
+ if (status) return status;
+
+ status = hmac_compute(&hmac_ctx, opaque, *opaque_len, TAG_LEN, tmp_tag);
+ if (status) return status;
+
+ /* compare the computed tag with the one provided as input */
+ for (i=0; i < TAG_LEN; i++)
+ if (tmp_tag[i] != tag[i])
+ return err_status_auth_fail;
+
+ }
+
+ return err_status_ok;
+}
+
+
+#define ENC 1
+
+#undef DEBUG
+#define DEBUG 0
+
+err_status_t
+aes_128_cbc_hmac_sha1_96_enc(void *key,
+ const void *clear,
+ unsigned clear_len,
+ void *iv,
+ void *opaque,
+ unsigned *opaque_len) {
+ aes_cbc_ctx_t aes_ctx;
+ hmac_ctx_t hmac_ctx;
+ unsigned char enc_key[ENC_KEY_LEN];
+ unsigned char mac_key[MAC_KEY_LEN];
+ unsigned char *auth_tag;
+ err_status_t status;
+
+ /* check if we're doing authentication only */
+ if ((iv == NULL) && (opaque == NULL) && (opaque_len == NULL)) {
+
+ /* perform authentication only */
+
+ } else if ((iv == NULL) || (opaque == NULL) || (opaque_len == NULL)) {
+
+ /*
+ * bad parameter - we expect either all three pointers to be NULL,
+ * or none of those pointers to be NULL
+ */
+ return err_status_fail;
+
+ } else {
+
+#if DEBUG
+ printf("ENC using key %s\n", octet_string_hex_string(key, KEY_LEN));
+#endif
+
+ /* derive encryption and authentication keys from the input key */
+ status = hmac_init(&hmac_ctx, key, KEY_LEN);
+ if (status) return status;
+ status = hmac_compute(&hmac_ctx, "ENC", 3, ENC_KEY_LEN, enc_key);
+ if (status) return status;
+
+ status = hmac_init(&hmac_ctx, key, KEY_LEN);
+ if (status) return status;
+ status = hmac_compute(&hmac_ctx, "MAC", 3, MAC_KEY_LEN, mac_key);
+ if (status) return status;
+
+
+ /* perform encryption and authentication */
+
+ /* set aes key */
+ status = aes_cbc_context_init(&aes_ctx, key, direction_encrypt);
+ if (status) return status;
+
+ /* set iv */
+ status = rand_source_get_octet_string(iv, IV_LEN);
+ if (status) return status;
+ status = aes_cbc_set_iv(&aes_ctx, iv);
+ if (status) return status;
+
+#if DEBUG
+ printf("plaintext len: %d\n", *opaque_len);
+ printf("iv: %s\n", octet_string_hex_string(iv, IV_LEN));
+ printf("plaintext: %s\n", octet_string_hex_string(opaque, *opaque_len));
+#endif
+
+#if ENC
+ /* encrypt the opaque data */
+ status = aes_cbc_nist_encrypt(&aes_ctx, opaque, opaque_len);
+ if (status) return status;
+#endif
+
+#if DEBUG
+ printf("ciphertext len: %d\n", *opaque_len);
+ printf("ciphertext: %s\n", octet_string_hex_string(opaque, *opaque_len));
+#endif
+
+ /*
+ * authenticate clear and opaque data, then write the
+ * authentication tag to the location immediately following the
+ * ciphertext
+ */
+ status = hmac_init(&hmac_ctx, mac_key, MAC_KEY_LEN);
+ if (status) return status;
+
+ status = hmac_start(&hmac_ctx);
+ if (status) return status;
+
+ status = hmac_update(&hmac_ctx, clear, clear_len);
+ if (status) return status;
+#if DEBUG
+ printf("hmac input: %s\n",
+ octet_string_hex_string(clear, clear_len));
+#endif
+ auth_tag = (unsigned char *)opaque;
+ auth_tag += *opaque_len;
+ status = hmac_compute(&hmac_ctx, opaque, *opaque_len, TAG_LEN, auth_tag);
+ if (status) return status;
+#if DEBUG
+ printf("hmac input: %s\n",
+ octet_string_hex_string(opaque, *opaque_len));
+#endif
+ /* bump up the opaque_len to reflect the authentication tag */
+ *opaque_len += TAG_LEN;
+
+#if DEBUG
+ printf("prot data len: %d\n", *opaque_len);
+ printf("prot data: %s\n", octet_string_hex_string(opaque, *opaque_len));
+#endif
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+aes_128_cbc_hmac_sha1_96_dec(void *key,
+ const void *clear,
+ unsigned clear_len,
+ void *iv,
+ void *opaque,
+ unsigned *opaque_len) {
+ aes_cbc_ctx_t aes_ctx;
+ hmac_ctx_t hmac_ctx;
+ unsigned char enc_key[ENC_KEY_LEN];
+ unsigned char mac_key[MAC_KEY_LEN];
+ unsigned char tmp_tag[TAG_LEN];
+ unsigned char *auth_tag;
+ unsigned ciphertext_len;
+ err_status_t status;
+ int i;
+
+ /* check if we're doing authentication only */
+ if ((iv == NULL) && (opaque == NULL) && (opaque_len == NULL)) {
+
+ /* perform authentication only */
+
+ } else if ((iv == NULL) || (opaque == NULL) || (opaque_len == NULL)) {
+
+ /*
+ * bad parameter - we expect either all three pointers to be NULL,
+ * or none of those pointers to be NULL
+ */
+ return err_status_fail;
+
+ } else {
+#if DEBUG
+ printf("DEC using key %s\n", octet_string_hex_string(key, KEY_LEN));
+#endif
+
+ /* derive encryption and authentication keys from the input key */
+ status = hmac_init(&hmac_ctx, key, KEY_LEN);
+ if (status) return status;
+ status = hmac_compute(&hmac_ctx, "ENC", 3, ENC_KEY_LEN, enc_key);
+ if (status) return status;
+
+ status = hmac_init(&hmac_ctx, key, KEY_LEN);
+ if (status) return status;
+ status = hmac_compute(&hmac_ctx, "MAC", 3, MAC_KEY_LEN, mac_key);
+ if (status) return status;
+
+#if DEBUG
+ printf("prot data len: %d\n", *opaque_len);
+ printf("prot data: %s\n", octet_string_hex_string(opaque, *opaque_len));
+#endif
+
+ /*
+ * set the protected data length to that of the ciphertext, by
+ * subtracting out the length of the authentication tag
+ */
+ ciphertext_len = *opaque_len - TAG_LEN;
+
+#if DEBUG
+ printf("ciphertext len: %d\n", ciphertext_len);
+#endif
+ /* verify the authentication tag */
+
+ /*
+ * compute the authentication tag for the clear and opaque data,
+ * and write it to a temporary location
+ */
+ status = hmac_init(&hmac_ctx, mac_key, MAC_KEY_LEN);
+ if (status) return status;
+
+ status = hmac_start(&hmac_ctx);
+ if (status) return status;
+
+ status = hmac_update(&hmac_ctx, clear, clear_len);
+ if (status) return status;
+
+#if DEBUG
+ printf("hmac input: %s\n",
+ octet_string_hex_string(clear, clear_len));
+#endif
+
+ status = hmac_compute(&hmac_ctx, opaque, ciphertext_len, TAG_LEN, tmp_tag);
+ if (status) return status;
+
+#if DEBUG
+ printf("hmac input: %s\n",
+ octet_string_hex_string(opaque, ciphertext_len));
+#endif
+
+ /*
+ * compare the computed tag with the one provided as input (which
+ * immediately follows the ciphertext)
+ */
+ auth_tag = (unsigned char *)opaque;
+ auth_tag += ciphertext_len;
+#if DEBUG
+ printf("auth_tag: %s\n", octet_string_hex_string(auth_tag, TAG_LEN));
+ printf("tmp_tag: %s\n", octet_string_hex_string(tmp_tag, TAG_LEN));
+#endif
+ for (i=0; i < TAG_LEN; i++) {
+ if (tmp_tag[i] != auth_tag[i])
+ return err_status_auth_fail;
+ }
+
+ /* bump down the opaque_len to reflect the authentication tag */
+ *opaque_len -= TAG_LEN;
+
+ /* decrypt the confidential data */
+ status = aes_cbc_context_init(&aes_ctx, key, direction_decrypt);
+ if (status) return status;
+ status = aes_cbc_set_iv(&aes_ctx, iv);
+ if (status) return status;
+
+#if DEBUG
+ printf("ciphertext: %s\n", octet_string_hex_string(opaque, *opaque_len));
+ printf("iv: %s\n", octet_string_hex_string(iv, IV_LEN));
+#endif
+
+#if ENC
+ status = aes_cbc_nist_decrypt(&aes_ctx, opaque, &ciphertext_len);
+ if (status) return status;
+#endif
+
+#if DEBUG
+ printf("plaintext len: %d\n", ciphertext_len);
+ printf("plaintext: %s\n",
+ octet_string_hex_string(opaque, ciphertext_len));
+#endif
+
+ /* indicate the length of the plaintext */
+ *opaque_len = ciphertext_len;
+ }
+
+ return err_status_ok;
+}
+
+cryptoalg_ctx_t cryptoalg_ctx = {
+ aes_128_cbc_hmac_sha1_96_enc,
+ aes_128_cbc_hmac_sha1_96_dec,
+ KEY_LEN,
+ IV_LEN,
+ TAG_LEN,
+ MAX_EXPAND,
+};
+
+cryptoalg_t cryptoalg = &cryptoalg_ctx;
+
+#define NULL_TAG_LEN 12
+
+err_status_t
+null_enc(void *key,
+ const void *clear,
+ unsigned clear_len,
+ void *iv,
+ void *opaque,
+ unsigned *opaque_len) {
+ int i;
+ unsigned char *auth_tag;
+ unsigned char *init_vec = iv;
+
+ /* check if we're doing authentication only */
+ if ((iv == NULL) && (opaque == NULL) && (opaque_len == NULL)) {
+
+ /* perform authentication only */
+
+ } else if ((iv == NULL) || (opaque == NULL) || (opaque_len == NULL)) {
+
+ /*
+ * bad parameter - we expect either all three pointers to be NULL,
+ * or none of those pointers to be NULL
+ */
+ return err_status_fail;
+
+ } else {
+
+#if DEBUG
+ printf("NULL ENC using key %s\n", octet_string_hex_string(key, KEY_LEN));
+ printf("NULL_TAG_LEN: %d\n", NULL_TAG_LEN);
+ printf("plaintext len: %d\n", *opaque_len);
+#endif
+ for (i=0; i < IV_LEN; i++)
+ init_vec[i] = i + (i * 16);
+#if DEBUG
+ printf("iv: %s\n",
+ octet_string_hex_string(iv, IV_LEN));
+ printf("plaintext: %s\n",
+ octet_string_hex_string(opaque, *opaque_len));
+#endif
+ auth_tag = opaque;
+ auth_tag += *opaque_len;
+ for (i=0; i < NULL_TAG_LEN; i++)
+ auth_tag[i] = i + (i * 16);
+ *opaque_len += NULL_TAG_LEN;
+#if DEBUG
+ printf("protected data len: %d\n", *opaque_len);
+ printf("protected data: %s\n",
+ octet_string_hex_string(opaque, *opaque_len));
+#endif
+
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+null_dec(void *key,
+ const void *clear,
+ unsigned clear_len,
+ void *iv,
+ void *opaque,
+ unsigned *opaque_len) {
+ unsigned char *auth_tag;
+
+ /* check if we're doing authentication only */
+ if ((iv == NULL) && (opaque == NULL) && (opaque_len == NULL)) {
+
+ /* perform authentication only */
+
+ } else if ((iv == NULL) || (opaque == NULL) || (opaque_len == NULL)) {
+
+ /*
+ * bad parameter - we expect either all three pointers to be NULL,
+ * or none of those pointers to be NULL
+ */
+ return err_status_fail;
+
+ } else {
+
+#if DEBUG
+ printf("NULL DEC using key %s\n", octet_string_hex_string(key, KEY_LEN));
+
+ printf("protected data len: %d\n", *opaque_len);
+ printf("protected data: %s\n",
+ octet_string_hex_string(opaque, *opaque_len));
+#endif
+ auth_tag = opaque;
+ auth_tag += (*opaque_len - NULL_TAG_LEN);
+#if DEBUG
+ printf("iv: %s\n", octet_string_hex_string(iv, IV_LEN));
+#endif
+ *opaque_len -= NULL_TAG_LEN;
+#if DEBUG
+ printf("plaintext len: %d\n", *opaque_len);
+ printf("plaintext: %s\n",
+ octet_string_hex_string(opaque, *opaque_len));
+#endif
+ }
+
+ return err_status_ok;
+}
+
+cryptoalg_ctx_t null_cryptoalg_ctx = {
+ null_enc,
+ null_dec,
+ KEY_LEN,
+ IV_LEN,
+ NULL_TAG_LEN,
+ MAX_EXPAND,
+};
+
+cryptoalg_t null_cryptoalg = &null_cryptoalg_ctx;
+
+int
+cryptoalg_get_id(cryptoalg_t c) {
+ if (c == cryptoalg)
+ return 1;
+ return 0;
+}
+
+cryptoalg_t
+cryptoalg_find_by_id(int id) {
+ switch(id) {
+ case 1:
+ return cryptoalg;
+ default:
+ break;
+ }
+ return 0;
+}
diff --git a/crypto/cipher/aes.c b/crypto/cipher/aes.c
new file mode 100644
index 0000000..f1286c3
--- /dev/null
+++ b/crypto/cipher/aes.c
@@ -0,0 +1,1951 @@
+/*
+ * aes.c
+ *
+ * An implemnetation of the AES block cipher.
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "aes.h"
+#include "err.h"
+
+/*
+ * we use the tables T0, T1, T2, T3, and T4 to compute AES, and
+ * the tables U0, U1, U2, and U4 to compute its inverse
+ *
+ * different tables are used on little-endian (Intel, VMS) and
+ * big-endian processors (everything else)
+ *
+ * these tables are computed using the program tables/aes_tables; use
+ * this program to generate different tables for porting or
+ * optimization on a different platform
+ */
+
+#ifndef WORDS_BIGENDIAN
+
+static uint32_t T0[256] = {
+ 0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6,
+ 0xdf2f2ff, 0xbd6b6bd6, 0xb16f6fde, 0x54c5c591,
+ 0x50303060, 0x3010102, 0xa96767ce, 0x7d2b2b56,
+ 0x19fefee7, 0x62d7d7b5, 0xe6abab4d, 0x9a7676ec,
+ 0x45caca8f, 0x9d82821f, 0x40c9c989, 0x877d7dfa,
+ 0x15fafaef, 0xeb5959b2, 0xc947478e, 0xbf0f0fb,
+ 0xecadad41, 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45,
+ 0xbf9c9c23, 0xf7a4a453, 0x967272e4, 0x5bc0c09b,
+ 0xc2b7b775, 0x1cfdfde1, 0xae93933d, 0x6a26264c,
+ 0x5a36366c, 0x413f3f7e, 0x2f7f7f5, 0x4fcccc83,
+ 0x5c343468, 0xf4a5a551, 0x34e5e5d1, 0x8f1f1f9,
+ 0x937171e2, 0x73d8d8ab, 0x53313162, 0x3f15152a,
+ 0xc040408, 0x52c7c795, 0x65232346, 0x5ec3c39d,
+ 0x28181830, 0xa1969637, 0xf05050a, 0xb59a9a2f,
+ 0x907070e, 0x36121224, 0x9b80801b, 0x3de2e2df,
+ 0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea,
+ 0x1b090912, 0x9e83831d, 0x742c2c58, 0x2e1a1a34,
+ 0x2d1b1b36, 0xb26e6edc, 0xee5a5ab4, 0xfba0a05b,
+ 0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, 0xceb3b37d,
+ 0x7b292952, 0x3ee3e3dd, 0x712f2f5e, 0x97848413,
+ 0xf55353a6, 0x68d1d1b9, 0x0, 0x2cededc1,
+ 0x60202040, 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6,
+ 0xbe6a6ad4, 0x46cbcb8d, 0xd9bebe67, 0x4b393972,
+ 0xde4a4a94, 0xd44c4c98, 0xe85858b0, 0x4acfcf85,
+ 0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed,
+ 0xc5434386, 0xd74d4d9a, 0x55333366, 0x94858511,
+ 0xcf45458a, 0x10f9f9e9, 0x6020204, 0x817f7ffe,
+ 0xf05050a0, 0x443c3c78, 0xba9f9f25, 0xe3a8a84b,
+ 0xf35151a2, 0xfea3a35d, 0xc0404080, 0x8a8f8f05,
+ 0xad92923f, 0xbc9d9d21, 0x48383870, 0x4f5f5f1,
+ 0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142,
+ 0x30101020, 0x1affffe5, 0xef3f3fd, 0x6dd2d2bf,
+ 0x4ccdcd81, 0x140c0c18, 0x35131326, 0x2fececc3,
+ 0xe15f5fbe, 0xa2979735, 0xcc444488, 0x3917172e,
+ 0x57c4c493, 0xf2a7a755, 0x827e7efc, 0x473d3d7a,
+ 0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6,
+ 0xa06060c0, 0x98818119, 0xd14f4f9e, 0x7fdcdca3,
+ 0x66222244, 0x7e2a2a54, 0xab90903b, 0x8388880b,
+ 0xca46468c, 0x29eeeec7, 0xd3b8b86b, 0x3c141428,
+ 0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad,
+ 0x3be0e0db, 0x56323264, 0x4e3a3a74, 0x1e0a0a14,
+ 0xdb494992, 0xa06060c, 0x6c242448, 0xe45c5cb8,
+ 0x5dc2c29f, 0x6ed3d3bd, 0xefacac43, 0xa66262c4,
+ 0xa8919139, 0xa4959531, 0x37e4e4d3, 0x8b7979f2,
+ 0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda,
+ 0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949,
+ 0xb46c6cd8, 0xfa5656ac, 0x7f4f4f3, 0x25eaeacf,
+ 0xaf6565ca, 0x8e7a7af4, 0xe9aeae47, 0x18080810,
+ 0xd5baba6f, 0x887878f0, 0x6f25254a, 0x722e2e5c,
+ 0x241c1c38, 0xf1a6a657, 0xc7b4b473, 0x51c6c697,
+ 0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e,
+ 0xdd4b4b96, 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f,
+ 0x907070e0, 0x423e3e7c, 0xc4b5b571, 0xaa6666cc,
+ 0xd8484890, 0x5030306, 0x1f6f6f7, 0x120e0e1c,
+ 0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969,
+ 0x91868617, 0x58c1c199, 0x271d1d3a, 0xb99e9e27,
+ 0x38e1e1d9, 0x13f8f8eb, 0xb398982b, 0x33111122,
+ 0xbb6969d2, 0x70d9d9a9, 0x898e8e07, 0xa7949433,
+ 0xb69b9b2d, 0x221e1e3c, 0x92878715, 0x20e9e9c9,
+ 0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5,
+ 0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a,
+ 0xdabfbf65, 0x31e6e6d7, 0xc6424284, 0xb86868d0,
+ 0xc3414182, 0xb0999929, 0x772d2d5a, 0x110f0f1e,
+ 0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, 0x3a16162c,
+};
+
+static uint32_t T1[256] = {
+ 0x6363c6a5, 0x7c7cf884, 0x7777ee99, 0x7b7bf68d,
+ 0xf2f2ff0d, 0x6b6bd6bd, 0x6f6fdeb1, 0xc5c59154,
+ 0x30306050, 0x1010203, 0x6767cea9, 0x2b2b567d,
+ 0xfefee719, 0xd7d7b562, 0xabab4de6, 0x7676ec9a,
+ 0xcaca8f45, 0x82821f9d, 0xc9c98940, 0x7d7dfa87,
+ 0xfafaef15, 0x5959b2eb, 0x47478ec9, 0xf0f0fb0b,
+ 0xadad41ec, 0xd4d4b367, 0xa2a25ffd, 0xafaf45ea,
+ 0x9c9c23bf, 0xa4a453f7, 0x7272e496, 0xc0c09b5b,
+ 0xb7b775c2, 0xfdfde11c, 0x93933dae, 0x26264c6a,
+ 0x36366c5a, 0x3f3f7e41, 0xf7f7f502, 0xcccc834f,
+ 0x3434685c, 0xa5a551f4, 0xe5e5d134, 0xf1f1f908,
+ 0x7171e293, 0xd8d8ab73, 0x31316253, 0x15152a3f,
+ 0x404080c, 0xc7c79552, 0x23234665, 0xc3c39d5e,
+ 0x18183028, 0x969637a1, 0x5050a0f, 0x9a9a2fb5,
+ 0x7070e09, 0x12122436, 0x80801b9b, 0xe2e2df3d,
+ 0xebebcd26, 0x27274e69, 0xb2b27fcd, 0x7575ea9f,
+ 0x909121b, 0x83831d9e, 0x2c2c5874, 0x1a1a342e,
+ 0x1b1b362d, 0x6e6edcb2, 0x5a5ab4ee, 0xa0a05bfb,
+ 0x5252a4f6, 0x3b3b764d, 0xd6d6b761, 0xb3b37dce,
+ 0x2929527b, 0xe3e3dd3e, 0x2f2f5e71, 0x84841397,
+ 0x5353a6f5, 0xd1d1b968, 0x00000000, 0xededc12c,
+ 0x20204060, 0xfcfce31f, 0xb1b179c8, 0x5b5bb6ed,
+ 0x6a6ad4be, 0xcbcb8d46, 0xbebe67d9, 0x3939724b,
+ 0x4a4a94de, 0x4c4c98d4, 0x5858b0e8, 0xcfcf854a,
+ 0xd0d0bb6b, 0xefefc52a, 0xaaaa4fe5, 0xfbfbed16,
+ 0x434386c5, 0x4d4d9ad7, 0x33336655, 0x85851194,
+ 0x45458acf, 0xf9f9e910, 0x2020406, 0x7f7ffe81,
+ 0x5050a0f0, 0x3c3c7844, 0x9f9f25ba, 0xa8a84be3,
+ 0x5151a2f3, 0xa3a35dfe, 0x404080c0, 0x8f8f058a,
+ 0x92923fad, 0x9d9d21bc, 0x38387048, 0xf5f5f104,
+ 0xbcbc63df, 0xb6b677c1, 0xdadaaf75, 0x21214263,
+ 0x10102030, 0xffffe51a, 0xf3f3fd0e, 0xd2d2bf6d,
+ 0xcdcd814c, 0xc0c1814, 0x13132635, 0xececc32f,
+ 0x5f5fbee1, 0x979735a2, 0x444488cc, 0x17172e39,
+ 0xc4c49357, 0xa7a755f2, 0x7e7efc82, 0x3d3d7a47,
+ 0x6464c8ac, 0x5d5dbae7, 0x1919322b, 0x7373e695,
+ 0x6060c0a0, 0x81811998, 0x4f4f9ed1, 0xdcdca37f,
+ 0x22224466, 0x2a2a547e, 0x90903bab, 0x88880b83,
+ 0x46468cca, 0xeeeec729, 0xb8b86bd3, 0x1414283c,
+ 0xdedea779, 0x5e5ebce2, 0xb0b161d, 0xdbdbad76,
+ 0xe0e0db3b, 0x32326456, 0x3a3a744e, 0xa0a141e,
+ 0x494992db, 0x6060c0a, 0x2424486c, 0x5c5cb8e4,
+ 0xc2c29f5d, 0xd3d3bd6e, 0xacac43ef, 0x6262c4a6,
+ 0x919139a8, 0x959531a4, 0xe4e4d337, 0x7979f28b,
+ 0xe7e7d532, 0xc8c88b43, 0x37376e59, 0x6d6ddab7,
+ 0x8d8d018c, 0xd5d5b164, 0x4e4e9cd2, 0xa9a949e0,
+ 0x6c6cd8b4, 0x5656acfa, 0xf4f4f307, 0xeaeacf25,
+ 0x6565caaf, 0x7a7af48e, 0xaeae47e9, 0x8081018,
+ 0xbaba6fd5, 0x7878f088, 0x25254a6f, 0x2e2e5c72,
+ 0x1c1c3824, 0xa6a657f1, 0xb4b473c7, 0xc6c69751,
+ 0xe8e8cb23, 0xdddda17c, 0x7474e89c, 0x1f1f3e21,
+ 0x4b4b96dd, 0xbdbd61dc, 0x8b8b0d86, 0x8a8a0f85,
+ 0x7070e090, 0x3e3e7c42, 0xb5b571c4, 0x6666ccaa,
+ 0x484890d8, 0x3030605, 0xf6f6f701, 0xe0e1c12,
+ 0x6161c2a3, 0x35356a5f, 0x5757aef9, 0xb9b969d0,
+ 0x86861791, 0xc1c19958, 0x1d1d3a27, 0x9e9e27b9,
+ 0xe1e1d938, 0xf8f8eb13, 0x98982bb3, 0x11112233,
+ 0x6969d2bb, 0xd9d9a970, 0x8e8e0789, 0x949433a7,
+ 0x9b9b2db6, 0x1e1e3c22, 0x87871592, 0xe9e9c920,
+ 0xcece8749, 0x5555aaff, 0x28285078, 0xdfdfa57a,
+ 0x8c8c038f, 0xa1a159f8, 0x89890980, 0xd0d1a17,
+ 0xbfbf65da, 0xe6e6d731, 0x424284c6, 0x6868d0b8,
+ 0x414182c3, 0x999929b0, 0x2d2d5a77, 0xf0f1e11,
+ 0xb0b07bcb, 0x5454a8fc, 0xbbbb6dd6, 0x16162c3a,
+};
+
+static uint32_t T2[256] = {
+ 0x63c6a563, 0x7cf8847c, 0x77ee9977, 0x7bf68d7b,
+ 0xf2ff0df2, 0x6bd6bd6b, 0x6fdeb16f, 0xc59154c5,
+ 0x30605030, 0x1020301, 0x67cea967, 0x2b567d2b,
+ 0xfee719fe, 0xd7b562d7, 0xab4de6ab, 0x76ec9a76,
+ 0xca8f45ca, 0x821f9d82, 0xc98940c9, 0x7dfa877d,
+ 0xfaef15fa, 0x59b2eb59, 0x478ec947, 0xf0fb0bf0,
+ 0xad41ecad, 0xd4b367d4, 0xa25ffda2, 0xaf45eaaf,
+ 0x9c23bf9c, 0xa453f7a4, 0x72e49672, 0xc09b5bc0,
+ 0xb775c2b7, 0xfde11cfd, 0x933dae93, 0x264c6a26,
+ 0x366c5a36, 0x3f7e413f, 0xf7f502f7, 0xcc834fcc,
+ 0x34685c34, 0xa551f4a5, 0xe5d134e5, 0xf1f908f1,
+ 0x71e29371, 0xd8ab73d8, 0x31625331, 0x152a3f15,
+ 0x4080c04, 0xc79552c7, 0x23466523, 0xc39d5ec3,
+ 0x18302818, 0x9637a196, 0x50a0f05, 0x9a2fb59a,
+ 0x70e0907, 0x12243612, 0x801b9b80, 0xe2df3de2,
+ 0xebcd26eb, 0x274e6927, 0xb27fcdb2, 0x75ea9f75,
+ 0x9121b09, 0x831d9e83, 0x2c58742c, 0x1a342e1a,
+ 0x1b362d1b, 0x6edcb26e, 0x5ab4ee5a, 0xa05bfba0,
+ 0x52a4f652, 0x3b764d3b, 0xd6b761d6, 0xb37dceb3,
+ 0x29527b29, 0xe3dd3ee3, 0x2f5e712f, 0x84139784,
+ 0x53a6f553, 0xd1b968d1, 0x0, 0xedc12ced,
+ 0x20406020, 0xfce31ffc, 0xb179c8b1, 0x5bb6ed5b,
+ 0x6ad4be6a, 0xcb8d46cb, 0xbe67d9be, 0x39724b39,
+ 0x4a94de4a, 0x4c98d44c, 0x58b0e858, 0xcf854acf,
+ 0xd0bb6bd0, 0xefc52aef, 0xaa4fe5aa, 0xfbed16fb,
+ 0x4386c543, 0x4d9ad74d, 0x33665533, 0x85119485,
+ 0x458acf45, 0xf9e910f9, 0x2040602, 0x7ffe817f,
+ 0x50a0f050, 0x3c78443c, 0x9f25ba9f, 0xa84be3a8,
+ 0x51a2f351, 0xa35dfea3, 0x4080c040, 0x8f058a8f,
+ 0x923fad92, 0x9d21bc9d, 0x38704838, 0xf5f104f5,
+ 0xbc63dfbc, 0xb677c1b6, 0xdaaf75da, 0x21426321,
+ 0x10203010, 0xffe51aff, 0xf3fd0ef3, 0xd2bf6dd2,
+ 0xcd814ccd, 0xc18140c, 0x13263513, 0xecc32fec,
+ 0x5fbee15f, 0x9735a297, 0x4488cc44, 0x172e3917,
+ 0xc49357c4, 0xa755f2a7, 0x7efc827e, 0x3d7a473d,
+ 0x64c8ac64, 0x5dbae75d, 0x19322b19, 0x73e69573,
+ 0x60c0a060, 0x81199881, 0x4f9ed14f, 0xdca37fdc,
+ 0x22446622, 0x2a547e2a, 0x903bab90, 0x880b8388,
+ 0x468cca46, 0xeec729ee, 0xb86bd3b8, 0x14283c14,
+ 0xdea779de, 0x5ebce25e, 0xb161d0b, 0xdbad76db,
+ 0xe0db3be0, 0x32645632, 0x3a744e3a, 0xa141e0a,
+ 0x4992db49, 0x60c0a06, 0x24486c24, 0x5cb8e45c,
+ 0xc29f5dc2, 0xd3bd6ed3, 0xac43efac, 0x62c4a662,
+ 0x9139a891, 0x9531a495, 0xe4d337e4, 0x79f28b79,
+ 0xe7d532e7, 0xc88b43c8, 0x376e5937, 0x6ddab76d,
+ 0x8d018c8d, 0xd5b164d5, 0x4e9cd24e, 0xa949e0a9,
+ 0x6cd8b46c, 0x56acfa56, 0xf4f307f4, 0xeacf25ea,
+ 0x65caaf65, 0x7af48e7a, 0xae47e9ae, 0x8101808,
+ 0xba6fd5ba, 0x78f08878, 0x254a6f25, 0x2e5c722e,
+ 0x1c38241c, 0xa657f1a6, 0xb473c7b4, 0xc69751c6,
+ 0xe8cb23e8, 0xdda17cdd, 0x74e89c74, 0x1f3e211f,
+ 0x4b96dd4b, 0xbd61dcbd, 0x8b0d868b, 0x8a0f858a,
+ 0x70e09070, 0x3e7c423e, 0xb571c4b5, 0x66ccaa66,
+ 0x4890d848, 0x3060503, 0xf6f701f6, 0xe1c120e,
+ 0x61c2a361, 0x356a5f35, 0x57aef957, 0xb969d0b9,
+ 0x86179186, 0xc19958c1, 0x1d3a271d, 0x9e27b99e,
+ 0xe1d938e1, 0xf8eb13f8, 0x982bb398, 0x11223311,
+ 0x69d2bb69, 0xd9a970d9, 0x8e07898e, 0x9433a794,
+ 0x9b2db69b, 0x1e3c221e, 0x87159287, 0xe9c920e9,
+ 0xce8749ce, 0x55aaff55, 0x28507828, 0xdfa57adf,
+ 0x8c038f8c, 0xa159f8a1, 0x89098089, 0xd1a170d,
+ 0xbf65dabf, 0xe6d731e6, 0x4284c642, 0x68d0b868,
+ 0x4182c341, 0x9929b099, 0x2d5a772d, 0xf1e110f,
+ 0xb07bcbb0, 0x54a8fc54, 0xbb6dd6bb, 0x162c3a16,
+};
+
+static uint32_t T3[256] = {
+ 0xc6a56363, 0xf8847c7c, 0xee997777, 0xf68d7b7b,
+ 0xff0df2f2, 0xd6bd6b6b, 0xdeb16f6f, 0x9154c5c5,
+ 0x60503030, 0x2030101, 0xcea96767, 0x567d2b2b,
+ 0xe719fefe, 0xb562d7d7, 0x4de6abab, 0xec9a7676,
+ 0x8f45caca, 0x1f9d8282, 0x8940c9c9, 0xfa877d7d,
+ 0xef15fafa, 0xb2eb5959, 0x8ec94747, 0xfb0bf0f0,
+ 0x41ecadad, 0xb367d4d4, 0x5ffda2a2, 0x45eaafaf,
+ 0x23bf9c9c, 0x53f7a4a4, 0xe4967272, 0x9b5bc0c0,
+ 0x75c2b7b7, 0xe11cfdfd, 0x3dae9393, 0x4c6a2626,
+ 0x6c5a3636, 0x7e413f3f, 0xf502f7f7, 0x834fcccc,
+ 0x685c3434, 0x51f4a5a5, 0xd134e5e5, 0xf908f1f1,
+ 0xe2937171, 0xab73d8d8, 0x62533131, 0x2a3f1515,
+ 0x80c0404, 0x9552c7c7, 0x46652323, 0x9d5ec3c3,
+ 0x30281818, 0x37a19696, 0xa0f0505, 0x2fb59a9a,
+ 0xe090707, 0x24361212, 0x1b9b8080, 0xdf3de2e2,
+ 0xcd26ebeb, 0x4e692727, 0x7fcdb2b2, 0xea9f7575,
+ 0x121b0909, 0x1d9e8383, 0x58742c2c, 0x342e1a1a,
+ 0x362d1b1b, 0xdcb26e6e, 0xb4ee5a5a, 0x5bfba0a0,
+ 0xa4f65252, 0x764d3b3b, 0xb761d6d6, 0x7dceb3b3,
+ 0x527b2929, 0xdd3ee3e3, 0x5e712f2f, 0x13978484,
+ 0xa6f55353, 0xb968d1d1, 0x0, 0xc12ceded,
+ 0x40602020, 0xe31ffcfc, 0x79c8b1b1, 0xb6ed5b5b,
+ 0xd4be6a6a, 0x8d46cbcb, 0x67d9bebe, 0x724b3939,
+ 0x94de4a4a, 0x98d44c4c, 0xb0e85858, 0x854acfcf,
+ 0xbb6bd0d0, 0xc52aefef, 0x4fe5aaaa, 0xed16fbfb,
+ 0x86c54343, 0x9ad74d4d, 0x66553333, 0x11948585,
+ 0x8acf4545, 0xe910f9f9, 0x4060202, 0xfe817f7f,
+ 0xa0f05050, 0x78443c3c, 0x25ba9f9f, 0x4be3a8a8,
+ 0xa2f35151, 0x5dfea3a3, 0x80c04040, 0x58a8f8f,
+ 0x3fad9292, 0x21bc9d9d, 0x70483838, 0xf104f5f5,
+ 0x63dfbcbc, 0x77c1b6b6, 0xaf75dada, 0x42632121,
+ 0x20301010, 0xe51affff, 0xfd0ef3f3, 0xbf6dd2d2,
+ 0x814ccdcd, 0x18140c0c, 0x26351313, 0xc32fecec,
+ 0xbee15f5f, 0x35a29797, 0x88cc4444, 0x2e391717,
+ 0x9357c4c4, 0x55f2a7a7, 0xfc827e7e, 0x7a473d3d,
+ 0xc8ac6464, 0xbae75d5d, 0x322b1919, 0xe6957373,
+ 0xc0a06060, 0x19988181, 0x9ed14f4f, 0xa37fdcdc,
+ 0x44662222, 0x547e2a2a, 0x3bab9090, 0xb838888,
+ 0x8cca4646, 0xc729eeee, 0x6bd3b8b8, 0x283c1414,
+ 0xa779dede, 0xbce25e5e, 0x161d0b0b, 0xad76dbdb,
+ 0xdb3be0e0, 0x64563232, 0x744e3a3a, 0x141e0a0a,
+ 0x92db4949, 0xc0a0606, 0x486c2424, 0xb8e45c5c,
+ 0x9f5dc2c2, 0xbd6ed3d3, 0x43efacac, 0xc4a66262,
+ 0x39a89191, 0x31a49595, 0xd337e4e4, 0xf28b7979,
+ 0xd532e7e7, 0x8b43c8c8, 0x6e593737, 0xdab76d6d,
+ 0x18c8d8d, 0xb164d5d5, 0x9cd24e4e, 0x49e0a9a9,
+ 0xd8b46c6c, 0xacfa5656, 0xf307f4f4, 0xcf25eaea,
+ 0xcaaf6565, 0xf48e7a7a, 0x47e9aeae, 0x10180808,
+ 0x6fd5baba, 0xf0887878, 0x4a6f2525, 0x5c722e2e,
+ 0x38241c1c, 0x57f1a6a6, 0x73c7b4b4, 0x9751c6c6,
+ 0xcb23e8e8, 0xa17cdddd, 0xe89c7474, 0x3e211f1f,
+ 0x96dd4b4b, 0x61dcbdbd, 0xd868b8b, 0xf858a8a,
+ 0xe0907070, 0x7c423e3e, 0x71c4b5b5, 0xccaa6666,
+ 0x90d84848, 0x6050303, 0xf701f6f6, 0x1c120e0e,
+ 0xc2a36161, 0x6a5f3535, 0xaef95757, 0x69d0b9b9,
+ 0x17918686, 0x9958c1c1, 0x3a271d1d, 0x27b99e9e,
+ 0xd938e1e1, 0xeb13f8f8, 0x2bb39898, 0x22331111,
+ 0xd2bb6969, 0xa970d9d9, 0x7898e8e, 0x33a79494,
+ 0x2db69b9b, 0x3c221e1e, 0x15928787, 0xc920e9e9,
+ 0x8749cece, 0xaaff5555, 0x50782828, 0xa57adfdf,
+ 0x38f8c8c, 0x59f8a1a1, 0x9808989, 0x1a170d0d,
+ 0x65dabfbf, 0xd731e6e6, 0x84c64242, 0xd0b86868,
+ 0x82c34141, 0x29b09999, 0x5a772d2d, 0x1e110f0f,
+ 0x7bcbb0b0, 0xa8fc5454, 0x6dd6bbbb, 0x2c3a1616,
+};
+
+static uint32_t U0[256] = {
+ 0x50a7f451, 0x5365417e, 0xc3a4171a, 0x965e273a,
+ 0xcb6bab3b, 0xf1459d1f, 0xab58faac, 0x9303e34b,
+ 0x55fa3020, 0xf66d76ad, 0x9176cc88, 0x254c02f5,
+ 0xfcd7e54f, 0xd7cb2ac5, 0x80443526, 0x8fa362b5,
+ 0x495ab1de, 0x671bba25, 0x980eea45, 0xe1c0fe5d,
+ 0x2752fc3, 0x12f04c81, 0xa397468d, 0xc6f9d36b,
+ 0xe75f8f03, 0x959c9215, 0xeb7a6dbf, 0xda595295,
+ 0x2d83bed4, 0xd3217458, 0x2969e049, 0x44c8c98e,
+ 0x6a89c275, 0x78798ef4, 0x6b3e5899, 0xdd71b927,
+ 0xb64fe1be, 0x17ad88f0, 0x66ac20c9, 0xb43ace7d,
+ 0x184adf63, 0x82311ae5, 0x60335197, 0x457f5362,
+ 0xe07764b1, 0x84ae6bbb, 0x1ca081fe, 0x942b08f9,
+ 0x58684870, 0x19fd458f, 0x876cde94, 0xb7f87b52,
+ 0x23d373ab, 0xe2024b72, 0x578f1fe3, 0x2aab5566,
+ 0x728ebb2, 0x3c2b52f, 0x9a7bc586, 0xa50837d3,
+ 0xf2872830, 0xb2a5bf23, 0xba6a0302, 0x5c8216ed,
+ 0x2b1ccf8a, 0x92b479a7, 0xf0f207f3, 0xa1e2694e,
+ 0xcdf4da65, 0xd5be0506, 0x1f6234d1, 0x8afea6c4,
+ 0x9d532e34, 0xa055f3a2, 0x32e18a05, 0x75ebf6a4,
+ 0x39ec830b, 0xaaef6040, 0x69f715e, 0x51106ebd,
+ 0xf98a213e, 0x3d06dd96, 0xae053edd, 0x46bde64d,
+ 0xb58d5491, 0x55dc471, 0x6fd40604, 0xff155060,
+ 0x24fb9819, 0x97e9bdd6, 0xcc434089, 0x779ed967,
+ 0xbd42e8b0, 0x888b8907, 0x385b19e7, 0xdbeec879,
+ 0x470a7ca1, 0xe90f427c, 0xc91e84f8, 0x0,
+ 0x83868009, 0x48ed2b32, 0xac70111e, 0x4e725a6c,
+ 0xfbff0efd, 0x5638850f, 0x1ed5ae3d, 0x27392d36,
+ 0x64d90f0a, 0x21a65c68, 0xd1545b9b, 0x3a2e3624,
+ 0xb1670a0c, 0xfe75793, 0xd296eeb4, 0x9e919b1b,
+ 0x4fc5c080, 0xa220dc61, 0x694b775a, 0x161a121c,
+ 0xaba93e2, 0xe52aa0c0, 0x43e0223c, 0x1d171b12,
+ 0xb0d090e, 0xadc78bf2, 0xb9a8b62d, 0xc8a91e14,
+ 0x8519f157, 0x4c0775af, 0xbbdd99ee, 0xfd607fa3,
+ 0x9f2601f7, 0xbcf5725c, 0xc53b6644, 0x347efb5b,
+ 0x7629438b, 0xdcc623cb, 0x68fcedb6, 0x63f1e4b8,
+ 0xcadc31d7, 0x10856342, 0x40229713, 0x2011c684,
+ 0x7d244a85, 0xf83dbbd2, 0x1132f9ae, 0x6da129c7,
+ 0x4b2f9e1d, 0xf330b2dc, 0xec52860d, 0xd0e3c177,
+ 0x6c16b32b, 0x99b970a9, 0xfa489411, 0x2264e947,
+ 0xc48cfca8, 0x1a3ff0a0, 0xd82c7d56, 0xef903322,
+ 0xc74e4987, 0xc1d138d9, 0xfea2ca8c, 0x360bd498,
+ 0xcf81f5a6, 0x28de7aa5, 0x268eb7da, 0xa4bfad3f,
+ 0xe49d3a2c, 0xd927850, 0x9bcc5f6a, 0x62467e54,
+ 0xc2138df6, 0xe8b8d890, 0x5ef7392e, 0xf5afc382,
+ 0xbe805d9f, 0x7c93d069, 0xa92dd56f, 0xb31225cf,
+ 0x3b99acc8, 0xa77d1810, 0x6e639ce8, 0x7bbb3bdb,
+ 0x97826cd, 0xf418596e, 0x1b79aec, 0xa89a4f83,
+ 0x656e95e6, 0x7ee6ffaa, 0x8cfbc21, 0xe6e815ef,
+ 0xd99be7ba, 0xce366f4a, 0xd4099fea, 0xd67cb029,
+ 0xafb2a431, 0x31233f2a, 0x3094a5c6, 0xc066a235,
+ 0x37bc4e74, 0xa6ca82fc, 0xb0d090e0, 0x15d8a733,
+ 0x4a9804f1, 0xf7daec41, 0xe50cd7f, 0x2ff69117,
+ 0x8dd64d76, 0x4db0ef43, 0x544daacc, 0xdf0496e4,
+ 0xe3b5d19e, 0x1b886a4c, 0xb81f2cc1, 0x7f516546,
+ 0x4ea5e9d, 0x5d358c01, 0x737487fa, 0x2e410bfb,
+ 0x5a1d67b3, 0x52d2db92, 0x335610e9, 0x1347d66d,
+ 0x8c61d79a, 0x7a0ca137, 0x8e14f859, 0x893c13eb,
+ 0xee27a9ce, 0x35c961b7, 0xede51ce1, 0x3cb1477a,
+ 0x59dfd29c, 0x3f73f255, 0x79ce1418, 0xbf37c773,
+ 0xeacdf753, 0x5baafd5f, 0x146f3ddf, 0x86db4478,
+ 0x81f3afca, 0x3ec468b9, 0x2c342438, 0x5f40a3c2,
+ 0x72c31d16, 0xc25e2bc, 0x8b493c28, 0x41950dff,
+ 0x7101a839, 0xdeb30c08, 0x9ce4b4d8, 0x90c15664,
+ 0x6184cb7b, 0x70b632d5, 0x745c6c48, 0x4257b8d0,
+};
+
+static uint32_t U1[256] = {
+ 0xa7f45150, 0x65417e53, 0xa4171ac3, 0x5e273a96,
+ 0x6bab3bcb, 0x459d1ff1, 0x58faacab, 0x3e34b93,
+ 0xfa302055, 0x6d76adf6, 0x76cc8891, 0x4c02f525,
+ 0xd7e54ffc, 0xcb2ac5d7, 0x44352680, 0xa362b58f,
+ 0x5ab1de49, 0x1bba2567, 0xeea4598, 0xc0fe5de1,
+ 0x752fc302, 0xf04c8112, 0x97468da3, 0xf9d36bc6,
+ 0x5f8f03e7, 0x9c921595, 0x7a6dbfeb, 0x595295da,
+ 0x83bed42d, 0x217458d3, 0x69e04929, 0xc8c98e44,
+ 0x89c2756a, 0x798ef478, 0x3e58996b, 0x71b927dd,
+ 0x4fe1beb6, 0xad88f017, 0xac20c966, 0x3ace7db4,
+ 0x4adf6318, 0x311ae582, 0x33519760, 0x7f536245,
+ 0x7764b1e0, 0xae6bbb84, 0xa081fe1c, 0x2b08f994,
+ 0x68487058, 0xfd458f19, 0x6cde9487, 0xf87b52b7,
+ 0xd373ab23, 0x24b72e2, 0x8f1fe357, 0xab55662a,
+ 0x28ebb207, 0xc2b52f03, 0x7bc5869a, 0x837d3a5,
+ 0x872830f2, 0xa5bf23b2, 0x6a0302ba, 0x8216ed5c,
+ 0x1ccf8a2b, 0xb479a792, 0xf207f3f0, 0xe2694ea1,
+ 0xf4da65cd, 0xbe0506d5, 0x6234d11f, 0xfea6c48a,
+ 0x532e349d, 0x55f3a2a0, 0xe18a0532, 0xebf6a475,
+ 0xec830b39, 0xef6040aa, 0x9f715e06, 0x106ebd51,
+ 0x8a213ef9, 0x6dd963d, 0x53eddae, 0xbde64d46,
+ 0x8d5491b5, 0x5dc47105, 0xd406046f, 0x155060ff,
+ 0xfb981924, 0xe9bdd697, 0x434089cc, 0x9ed96777,
+ 0x42e8b0bd, 0x8b890788, 0x5b19e738, 0xeec879db,
+ 0xa7ca147, 0xf427ce9, 0x1e84f8c9, 0x0,
+ 0x86800983, 0xed2b3248, 0x70111eac, 0x725a6c4e,
+ 0xff0efdfb, 0x38850f56, 0xd5ae3d1e, 0x392d3627,
+ 0xd90f0a64, 0xa65c6821, 0x545b9bd1, 0x2e36243a,
+ 0x670a0cb1, 0xe757930f, 0x96eeb4d2, 0x919b1b9e,
+ 0xc5c0804f, 0x20dc61a2, 0x4b775a69, 0x1a121c16,
+ 0xba93e20a, 0x2aa0c0e5, 0xe0223c43, 0x171b121d,
+ 0xd090e0b, 0xc78bf2ad, 0xa8b62db9, 0xa91e14c8,
+ 0x19f15785, 0x775af4c, 0xdd99eebb, 0x607fa3fd,
+ 0x2601f79f, 0xf5725cbc, 0x3b6644c5, 0x7efb5b34,
+ 0x29438b76, 0xc623cbdc, 0xfcedb668, 0xf1e4b863,
+ 0xdc31d7ca, 0x85634210, 0x22971340, 0x11c68420,
+ 0x244a857d, 0x3dbbd2f8, 0x32f9ae11, 0xa129c76d,
+ 0x2f9e1d4b, 0x30b2dcf3, 0x52860dec, 0xe3c177d0,
+ 0x16b32b6c, 0xb970a999, 0x489411fa, 0x64e94722,
+ 0x8cfca8c4, 0x3ff0a01a, 0x2c7d56d8, 0x903322ef,
+ 0x4e4987c7, 0xd138d9c1, 0xa2ca8cfe, 0xbd49836,
+ 0x81f5a6cf, 0xde7aa528, 0x8eb7da26, 0xbfad3fa4,
+ 0x9d3a2ce4, 0x9278500d, 0xcc5f6a9b, 0x467e5462,
+ 0x138df6c2, 0xb8d890e8, 0xf7392e5e, 0xafc382f5,
+ 0x805d9fbe, 0x93d0697c, 0x2dd56fa9, 0x1225cfb3,
+ 0x99acc83b, 0x7d1810a7, 0x639ce86e, 0xbb3bdb7b,
+ 0x7826cd09, 0x18596ef4, 0xb79aec01, 0x9a4f83a8,
+ 0x6e95e665, 0xe6ffaa7e, 0xcfbc2108, 0xe815efe6,
+ 0x9be7bad9, 0x366f4ace, 0x99fead4, 0x7cb029d6,
+ 0xb2a431af, 0x233f2a31, 0x94a5c630, 0x66a235c0,
+ 0xbc4e7437, 0xca82fca6, 0xd090e0b0, 0xd8a73315,
+ 0x9804f14a, 0xdaec41f7, 0x50cd7f0e, 0xf691172f,
+ 0xd64d768d, 0xb0ef434d, 0x4daacc54, 0x496e4df,
+ 0xb5d19ee3, 0x886a4c1b, 0x1f2cc1b8, 0x5165467f,
+ 0xea5e9d04, 0x358c015d, 0x7487fa73, 0x410bfb2e,
+ 0x1d67b35a, 0xd2db9252, 0x5610e933, 0x47d66d13,
+ 0x61d79a8c, 0xca1377a, 0x14f8598e, 0x3c13eb89,
+ 0x27a9ceee, 0xc961b735, 0xe51ce1ed, 0xb1477a3c,
+ 0xdfd29c59, 0x73f2553f, 0xce141879, 0x37c773bf,
+ 0xcdf753ea, 0xaafd5f5b, 0x6f3ddf14, 0xdb447886,
+ 0xf3afca81, 0xc468b93e, 0x3424382c, 0x40a3c25f,
+ 0xc31d1672, 0x25e2bc0c, 0x493c288b, 0x950dff41,
+ 0x1a83971, 0xb30c08de, 0xe4b4d89c, 0xc1566490,
+ 0x84cb7b61, 0xb632d570, 0x5c6c4874, 0x57b8d042,
+};
+
+static uint32_t U2[256] = {
+ 0xf45150a7, 0x417e5365, 0x171ac3a4, 0x273a965e,
+ 0xab3bcb6b, 0x9d1ff145, 0xfaacab58, 0xe34b9303,
+ 0x302055fa, 0x76adf66d, 0xcc889176, 0x2f5254c,
+ 0xe54ffcd7, 0x2ac5d7cb, 0x35268044, 0x62b58fa3,
+ 0xb1de495a, 0xba25671b, 0xea45980e, 0xfe5de1c0,
+ 0x2fc30275, 0x4c8112f0, 0x468da397, 0xd36bc6f9,
+ 0x8f03e75f, 0x9215959c, 0x6dbfeb7a, 0x5295da59,
+ 0xbed42d83, 0x7458d321, 0xe0492969, 0xc98e44c8,
+ 0xc2756a89, 0x8ef47879, 0x58996b3e, 0xb927dd71,
+ 0xe1beb64f, 0x88f017ad, 0x20c966ac, 0xce7db43a,
+ 0xdf63184a, 0x1ae58231, 0x51976033, 0x5362457f,
+ 0x64b1e077, 0x6bbb84ae, 0x81fe1ca0, 0x8f9942b,
+ 0x48705868, 0x458f19fd, 0xde94876c, 0x7b52b7f8,
+ 0x73ab23d3, 0x4b72e202, 0x1fe3578f, 0x55662aab,
+ 0xebb20728, 0xb52f03c2, 0xc5869a7b, 0x37d3a508,
+ 0x2830f287, 0xbf23b2a5, 0x302ba6a, 0x16ed5c82,
+ 0xcf8a2b1c, 0x79a792b4, 0x7f3f0f2, 0x694ea1e2,
+ 0xda65cdf4, 0x506d5be, 0x34d11f62, 0xa6c48afe,
+ 0x2e349d53, 0xf3a2a055, 0x8a0532e1, 0xf6a475eb,
+ 0x830b39ec, 0x6040aaef, 0x715e069f, 0x6ebd5110,
+ 0x213ef98a, 0xdd963d06, 0x3eddae05, 0xe64d46bd,
+ 0x5491b58d, 0xc471055d, 0x6046fd4, 0x5060ff15,
+ 0x981924fb, 0xbdd697e9, 0x4089cc43, 0xd967779e,
+ 0xe8b0bd42, 0x8907888b, 0x19e7385b, 0xc879dbee,
+ 0x7ca1470a, 0x427ce90f, 0x84f8c91e, 0x0,
+ 0x80098386, 0x2b3248ed, 0x111eac70, 0x5a6c4e72,
+ 0xefdfbff, 0x850f5638, 0xae3d1ed5, 0x2d362739,
+ 0xf0a64d9, 0x5c6821a6, 0x5b9bd154, 0x36243a2e,
+ 0xa0cb167, 0x57930fe7, 0xeeb4d296, 0x9b1b9e91,
+ 0xc0804fc5, 0xdc61a220, 0x775a694b, 0x121c161a,
+ 0x93e20aba, 0xa0c0e52a, 0x223c43e0, 0x1b121d17,
+ 0x90e0b0d, 0x8bf2adc7, 0xb62db9a8, 0x1e14c8a9,
+ 0xf1578519, 0x75af4c07, 0x99eebbdd, 0x7fa3fd60,
+ 0x1f79f26, 0x725cbcf5, 0x6644c53b, 0xfb5b347e,
+ 0x438b7629, 0x23cbdcc6, 0xedb668fc, 0xe4b863f1,
+ 0x31d7cadc, 0x63421085, 0x97134022, 0xc6842011,
+ 0x4a857d24, 0xbbd2f83d, 0xf9ae1132, 0x29c76da1,
+ 0x9e1d4b2f, 0xb2dcf330, 0x860dec52, 0xc177d0e3,
+ 0xb32b6c16, 0x70a999b9, 0x9411fa48, 0xe9472264,
+ 0xfca8c48c, 0xf0a01a3f, 0x7d56d82c, 0x3322ef90,
+ 0x4987c74e, 0x38d9c1d1, 0xca8cfea2, 0xd498360b,
+ 0xf5a6cf81, 0x7aa528de, 0xb7da268e, 0xad3fa4bf,
+ 0x3a2ce49d, 0x78500d92, 0x5f6a9bcc, 0x7e546246,
+ 0x8df6c213, 0xd890e8b8, 0x392e5ef7, 0xc382f5af,
+ 0x5d9fbe80, 0xd0697c93, 0xd56fa92d, 0x25cfb312,
+ 0xacc83b99, 0x1810a77d, 0x9ce86e63, 0x3bdb7bbb,
+ 0x26cd0978, 0x596ef418, 0x9aec01b7, 0x4f83a89a,
+ 0x95e6656e, 0xffaa7ee6, 0xbc2108cf, 0x15efe6e8,
+ 0xe7bad99b, 0x6f4ace36, 0x9fead409, 0xb029d67c,
+ 0xa431afb2, 0x3f2a3123, 0xa5c63094, 0xa235c066,
+ 0x4e7437bc, 0x82fca6ca, 0x90e0b0d0, 0xa73315d8,
+ 0x4f14a98, 0xec41f7da, 0xcd7f0e50, 0x91172ff6,
+ 0x4d768dd6, 0xef434db0, 0xaacc544d, 0x96e4df04,
+ 0xd19ee3b5, 0x6a4c1b88, 0x2cc1b81f, 0x65467f51,
+ 0x5e9d04ea, 0x8c015d35, 0x87fa7374, 0xbfb2e41,
+ 0x67b35a1d, 0xdb9252d2, 0x10e93356, 0xd66d1347,
+ 0xd79a8c61, 0xa1377a0c, 0xf8598e14, 0x13eb893c,
+ 0xa9ceee27, 0x61b735c9, 0x1ce1ede5, 0x477a3cb1,
+ 0xd29c59df, 0xf2553f73, 0x141879ce, 0xc773bf37,
+ 0xf753eacd, 0xfd5f5baa, 0x3ddf146f, 0x447886db,
+ 0xafca81f3, 0x68b93ec4, 0x24382c34, 0xa3c25f40,
+ 0x1d1672c3, 0xe2bc0c25, 0x3c288b49, 0xdff4195,
+ 0xa8397101, 0xc08deb3, 0xb4d89ce4, 0x566490c1,
+ 0xcb7b6184, 0x32d570b6, 0x6c48745c, 0xb8d04257,
+};
+
+static uint32_t U3[256] = {
+ 0x5150a7f4, 0x7e536541, 0x1ac3a417, 0x3a965e27,
+ 0x3bcb6bab, 0x1ff1459d, 0xacab58fa, 0x4b9303e3,
+ 0x2055fa30, 0xadf66d76, 0x889176cc, 0xf5254c02,
+ 0x4ffcd7e5, 0xc5d7cb2a, 0x26804435, 0xb58fa362,
+ 0xde495ab1, 0x25671bba, 0x45980eea, 0x5de1c0fe,
+ 0xc302752f, 0x8112f04c, 0x8da39746, 0x6bc6f9d3,
+ 0x3e75f8f, 0x15959c92, 0xbfeb7a6d, 0x95da5952,
+ 0xd42d83be, 0x58d32174, 0x492969e0, 0x8e44c8c9,
+ 0x756a89c2, 0xf478798e, 0x996b3e58, 0x27dd71b9,
+ 0xbeb64fe1, 0xf017ad88, 0xc966ac20, 0x7db43ace,
+ 0x63184adf, 0xe582311a, 0x97603351, 0x62457f53,
+ 0xb1e07764, 0xbb84ae6b, 0xfe1ca081, 0xf9942b08,
+ 0x70586848, 0x8f19fd45, 0x94876cde, 0x52b7f87b,
+ 0xab23d373, 0x72e2024b, 0xe3578f1f, 0x662aab55,
+ 0xb20728eb, 0x2f03c2b5, 0x869a7bc5, 0xd3a50837,
+ 0x30f28728, 0x23b2a5bf, 0x2ba6a03, 0xed5c8216,
+ 0x8a2b1ccf, 0xa792b479, 0xf3f0f207, 0x4ea1e269,
+ 0x65cdf4da, 0x6d5be05, 0xd11f6234, 0xc48afea6,
+ 0x349d532e, 0xa2a055f3, 0x532e18a, 0xa475ebf6,
+ 0xb39ec83, 0x40aaef60, 0x5e069f71, 0xbd51106e,
+ 0x3ef98a21, 0x963d06dd, 0xddae053e, 0x4d46bde6,
+ 0x91b58d54, 0x71055dc4, 0x46fd406, 0x60ff1550,
+ 0x1924fb98, 0xd697e9bd, 0x89cc4340, 0x67779ed9,
+ 0xb0bd42e8, 0x7888b89, 0xe7385b19, 0x79dbeec8,
+ 0xa1470a7c, 0x7ce90f42, 0xf8c91e84, 0x0,
+ 0x9838680, 0x3248ed2b, 0x1eac7011, 0x6c4e725a,
+ 0xfdfbff0e, 0xf563885, 0x3d1ed5ae, 0x3627392d,
+ 0xa64d90f, 0x6821a65c, 0x9bd1545b, 0x243a2e36,
+ 0xcb1670a, 0x930fe757, 0xb4d296ee, 0x1b9e919b,
+ 0x804fc5c0, 0x61a220dc, 0x5a694b77, 0x1c161a12,
+ 0xe20aba93, 0xc0e52aa0, 0x3c43e022, 0x121d171b,
+ 0xe0b0d09, 0xf2adc78b, 0x2db9a8b6, 0x14c8a91e,
+ 0x578519f1, 0xaf4c0775, 0xeebbdd99, 0xa3fd607f,
+ 0xf79f2601, 0x5cbcf572, 0x44c53b66, 0x5b347efb,
+ 0x8b762943, 0xcbdcc623, 0xb668fced, 0xb863f1e4,
+ 0xd7cadc31, 0x42108563, 0x13402297, 0x842011c6,
+ 0x857d244a, 0xd2f83dbb, 0xae1132f9, 0xc76da129,
+ 0x1d4b2f9e, 0xdcf330b2, 0xdec5286, 0x77d0e3c1,
+ 0x2b6c16b3, 0xa999b970, 0x11fa4894, 0x472264e9,
+ 0xa8c48cfc, 0xa01a3ff0, 0x56d82c7d, 0x22ef9033,
+ 0x87c74e49, 0xd9c1d138, 0x8cfea2ca, 0x98360bd4,
+ 0xa6cf81f5, 0xa528de7a, 0xda268eb7, 0x3fa4bfad,
+ 0x2ce49d3a, 0x500d9278, 0x6a9bcc5f, 0x5462467e,
+ 0xf6c2138d, 0x90e8b8d8, 0x2e5ef739, 0x82f5afc3,
+ 0x9fbe805d, 0x697c93d0, 0x6fa92dd5, 0xcfb31225,
+ 0xc83b99ac, 0x10a77d18, 0xe86e639c, 0xdb7bbb3b,
+ 0xcd097826, 0x6ef41859, 0xec01b79a, 0x83a89a4f,
+ 0xe6656e95, 0xaa7ee6ff, 0x2108cfbc, 0xefe6e815,
+ 0xbad99be7, 0x4ace366f, 0xead4099f, 0x29d67cb0,
+ 0x31afb2a4, 0x2a31233f, 0xc63094a5, 0x35c066a2,
+ 0x7437bc4e, 0xfca6ca82, 0xe0b0d090, 0x3315d8a7,
+ 0xf14a9804, 0x41f7daec, 0x7f0e50cd, 0x172ff691,
+ 0x768dd64d, 0x434db0ef, 0xcc544daa, 0xe4df0496,
+ 0x9ee3b5d1, 0x4c1b886a, 0xc1b81f2c, 0x467f5165,
+ 0x9d04ea5e, 0x15d358c, 0xfa737487, 0xfb2e410b,
+ 0xb35a1d67, 0x9252d2db, 0xe9335610, 0x6d1347d6,
+ 0x9a8c61d7, 0x377a0ca1, 0x598e14f8, 0xeb893c13,
+ 0xceee27a9, 0xb735c961, 0xe1ede51c, 0x7a3cb147,
+ 0x9c59dfd2, 0x553f73f2, 0x1879ce14, 0x73bf37c7,
+ 0x53eacdf7, 0x5f5baafd, 0xdf146f3d, 0x7886db44,
+ 0xca81f3af, 0xb93ec468, 0x382c3424, 0xc25f40a3,
+ 0x1672c31d, 0xbc0c25e2, 0x288b493c, 0xff41950d,
+ 0x397101a8, 0x8deb30c, 0xd89ce4b4, 0x6490c156,
+ 0x7b6184cb, 0xd570b632, 0x48745c6c, 0xd04257b8,
+};
+
+#else /* assume big endian */
+
+static uint32_t T0[256] = {
+ 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d,
+ 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554,
+ 0x60303050, 0x2010103, 0xce6767a9, 0x562b2b7d,
+ 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a,
+ 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87,
+ 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b,
+ 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea,
+ 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b,
+ 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a,
+ 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f,
+ 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108,
+ 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f,
+ 0x804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e,
+ 0x30181828, 0x379696a1, 0xa05050f, 0x2f9a9ab5,
+ 0xe070709, 0x24121236, 0x1b80809b, 0xdfe2e23d,
+ 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f,
+ 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e,
+ 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb,
+ 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce,
+ 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497,
+ 0xa65353f5, 0xb9d1d168, 0x0, 0xc1eded2c,
+ 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed,
+ 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b,
+ 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a,
+ 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16,
+ 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594,
+ 0x8a4545cf, 0xe9f9f910, 0x4020206, 0xfe7f7f81,
+ 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3,
+ 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x58f8f8a,
+ 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504,
+ 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163,
+ 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d,
+ 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f,
+ 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739,
+ 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47,
+ 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395,
+ 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f,
+ 0x44222266, 0x542a2a7e, 0x3b9090ab, 0xb888883,
+ 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c,
+ 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76,
+ 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e,
+ 0x924949db, 0xc06060a, 0x4824246c, 0xb85c5ce4,
+ 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6,
+ 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b,
+ 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7,
+ 0x18d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0,
+ 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25,
+ 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818,
+ 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72,
+ 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651,
+ 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21,
+ 0x964b4bdd, 0x61bdbddc, 0xd8b8b86, 0xf8a8a85,
+ 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa,
+ 0x904848d8, 0x6030305, 0xf7f6f601, 0x1c0e0e12,
+ 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0,
+ 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9,
+ 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133,
+ 0xd26969bb, 0xa9d9d970, 0x78e8e89, 0x339494a7,
+ 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920,
+ 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a,
+ 0x38c8c8f, 0x59a1a1f8, 0x9898980, 0x1a0d0d17,
+ 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8,
+ 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11,
+ 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a,
+};
+
+static uint32_t T1[256] = {
+ 0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b,
+ 0xdfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5,
+ 0x50603030, 0x3020101, 0xa9ce6767, 0x7d562b2b,
+ 0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676,
+ 0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d,
+ 0x15effafa, 0xebb25959, 0xc98e4747, 0xbfbf0f0,
+ 0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf,
+ 0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0,
+ 0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626,
+ 0x5a6c3636, 0x417e3f3f, 0x2f5f7f7, 0x4f83cccc,
+ 0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x8f9f1f1,
+ 0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515,
+ 0xc080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3,
+ 0x28301818, 0xa1379696, 0xf0a0505, 0xb52f9a9a,
+ 0x90e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2,
+ 0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575,
+ 0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a,
+ 0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0,
+ 0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3,
+ 0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484,
+ 0xf5a65353, 0x68b9d1d1, 0x0, 0x2cc1eded,
+ 0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b,
+ 0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939,
+ 0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf,
+ 0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb,
+ 0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585,
+ 0xcf8a4545, 0x10e9f9f9, 0x6040202, 0x81fe7f7f,
+ 0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8,
+ 0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f,
+ 0xad3f9292, 0xbc219d9d, 0x48703838, 0x4f1f5f5,
+ 0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121,
+ 0x30201010, 0x1ae5ffff, 0xefdf3f3, 0x6dbfd2d2,
+ 0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec,
+ 0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717,
+ 0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d,
+ 0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373,
+ 0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc,
+ 0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888,
+ 0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414,
+ 0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb,
+ 0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a,
+ 0xdb924949, 0xa0c0606, 0x6c482424, 0xe4b85c5c,
+ 0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262,
+ 0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979,
+ 0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d,
+ 0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9,
+ 0xb4d86c6c, 0xfaac5656, 0x7f3f4f4, 0x25cfeaea,
+ 0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808,
+ 0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e,
+ 0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6,
+ 0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f,
+ 0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a,
+ 0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666,
+ 0xd8904848, 0x5060303, 0x1f7f6f6, 0x121c0e0e,
+ 0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9,
+ 0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e,
+ 0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111,
+ 0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494,
+ 0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9,
+ 0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf,
+ 0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d,
+ 0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868,
+ 0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f,
+ 0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616,
+};
+
+static uint32_t T2[256] = {
+ 0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b,
+ 0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5,
+ 0x30506030, 0x1030201, 0x67a9ce67, 0x2b7d562b,
+ 0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76,
+ 0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d,
+ 0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0,
+ 0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af,
+ 0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0,
+ 0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26,
+ 0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc,
+ 0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1,
+ 0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15,
+ 0x40c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3,
+ 0x18283018, 0x96a13796, 0x50f0a05, 0x9ab52f9a,
+ 0x7090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2,
+ 0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75,
+ 0x91b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a,
+ 0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0,
+ 0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3,
+ 0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384,
+ 0x53f5a653, 0xd168b9d1, 0x0, 0xed2cc1ed,
+ 0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b,
+ 0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239,
+ 0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf,
+ 0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb,
+ 0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185,
+ 0x45cf8a45, 0xf910e9f9, 0x2060402, 0x7f81fe7f,
+ 0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8,
+ 0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f,
+ 0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5,
+ 0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221,
+ 0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2,
+ 0xcd4c81cd, 0xc14180c, 0x13352613, 0xec2fc3ec,
+ 0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17,
+ 0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d,
+ 0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673,
+ 0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc,
+ 0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88,
+ 0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814,
+ 0xde79a7de, 0x5ee2bc5e, 0xb1d160b, 0xdb76addb,
+ 0xe03bdbe0, 0x32566432, 0x3a4e743a, 0xa1e140a,
+ 0x49db9249, 0x60a0c06, 0x246c4824, 0x5ce4b85c,
+ 0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462,
+ 0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279,
+ 0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d,
+ 0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9,
+ 0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea,
+ 0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x8181008,
+ 0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e,
+ 0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6,
+ 0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f,
+ 0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a,
+ 0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66,
+ 0x48d89048, 0x3050603, 0xf601f7f6, 0xe121c0e,
+ 0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9,
+ 0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e,
+ 0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211,
+ 0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394,
+ 0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9,
+ 0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df,
+ 0x8c8f038c, 0xa1f859a1, 0x89800989, 0xd171a0d,
+ 0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068,
+ 0x41c38241, 0x99b02999, 0x2d775a2d, 0xf111e0f,
+ 0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16,
+};
+
+static uint32_t T3[256] = {
+ 0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6,
+ 0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491,
+ 0x30305060, 0x1010302, 0x6767a9ce, 0x2b2b7d56,
+ 0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec,
+ 0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa,
+ 0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb,
+ 0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45,
+ 0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b,
+ 0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c,
+ 0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83,
+ 0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9,
+ 0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a,
+ 0x4040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d,
+ 0x18182830, 0x9696a137, 0x5050f0a, 0x9a9ab52f,
+ 0x707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf,
+ 0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea,
+ 0x9091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34,
+ 0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b,
+ 0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d,
+ 0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713,
+ 0x5353f5a6, 0xd1d168b9, 0x0, 0xeded2cc1,
+ 0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6,
+ 0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72,
+ 0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85,
+ 0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed,
+ 0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411,
+ 0x4545cf8a, 0xf9f910e9, 0x2020604, 0x7f7f81fe,
+ 0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b,
+ 0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05,
+ 0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1,
+ 0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342,
+ 0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf,
+ 0xcdcd4c81, 0xc0c1418, 0x13133526, 0xecec2fc3,
+ 0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e,
+ 0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a,
+ 0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6,
+ 0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3,
+ 0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b,
+ 0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28,
+ 0xdede79a7, 0x5e5ee2bc, 0xb0b1d16, 0xdbdb76ad,
+ 0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0xa0a1e14,
+ 0x4949db92, 0x6060a0c, 0x24246c48, 0x5c5ce4b8,
+ 0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4,
+ 0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2,
+ 0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da,
+ 0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049,
+ 0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf,
+ 0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x8081810,
+ 0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c,
+ 0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197,
+ 0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e,
+ 0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f,
+ 0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc,
+ 0x4848d890, 0x3030506, 0xf6f601f7, 0xe0e121c,
+ 0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069,
+ 0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927,
+ 0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322,
+ 0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733,
+ 0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9,
+ 0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5,
+ 0x8c8c8f03, 0xa1a1f859, 0x89898009, 0xd0d171a,
+ 0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0,
+ 0x4141c382, 0x9999b029, 0x2d2d775a, 0xf0f111e,
+ 0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c,
+};
+
+static uint32_t U0[256] = {
+ 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96,
+ 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393,
+ 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25,
+ 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f,
+ 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1,
+ 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6,
+ 0x38f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da,
+ 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844,
+ 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd,
+ 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4,
+ 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45,
+ 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94,
+ 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7,
+ 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a,
+ 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5,
+ 0x302887f2, 0x23bfa5b2, 0x2036aba, 0xed16825c,
+ 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1,
+ 0x65daf4cd, 0x605bed5, 0xd134621f, 0xc4a6fe8a,
+ 0x342e539d, 0xa2f355a0, 0x58ae132, 0xa4f6eb75,
+ 0xb83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051,
+ 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46,
+ 0x91548db5, 0x71c45d05, 0x406d46f, 0x605015ff,
+ 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77,
+ 0xb0e842bd, 0x7898b88, 0xe7195b38, 0x79c8eedb,
+ 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x0,
+ 0x9808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e,
+ 0xfd0efffb, 0xf853856, 0x3daed51e, 0x362d3927,
+ 0xa0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a,
+ 0xc0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e,
+ 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16,
+ 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d,
+ 0xe090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8,
+ 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd,
+ 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34,
+ 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163,
+ 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120,
+ 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d,
+ 0x1d9e2f4b, 0xdcb230f3, 0xd8652ec, 0x77c1e3d0,
+ 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422,
+ 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef,
+ 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36,
+ 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4,
+ 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662,
+ 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5,
+ 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3,
+ 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b,
+ 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8,
+ 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6,
+ 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6,
+ 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0,
+ 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815,
+ 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f,
+ 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df,
+ 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f,
+ 0x9d5eea04, 0x18c355d, 0xfa877473, 0xfb0b412e,
+ 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713,
+ 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89,
+ 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c,
+ 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf,
+ 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86,
+ 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f,
+ 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541,
+ 0x39a80171, 0x80cb3de, 0xd8b4e49c, 0x6456c190,
+ 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742
+};
+
+static uint32_t U1[256] = {
+ 0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e,
+ 0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303,
+ 0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c,
+ 0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3,
+ 0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0,
+ 0x2c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9,
+ 0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259,
+ 0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8,
+ 0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971,
+ 0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a,
+ 0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f,
+ 0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b,
+ 0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8,
+ 0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab,
+ 0x7b2eb28, 0x32fb5c2, 0x9a86c57b, 0xa5d33708,
+ 0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682,
+ 0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2,
+ 0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe,
+ 0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb,
+ 0x390b83ec, 0xaa4060ef, 0x65e719f, 0x51bd6e10,
+ 0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd,
+ 0xb591548d, 0x571c45d, 0x6f0406d4, 0xff605015,
+ 0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e,
+ 0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee,
+ 0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x0,
+ 0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72,
+ 0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39,
+ 0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e,
+ 0xb10c0a67, 0xf9357e7, 0xd2b4ee96, 0x9e1b9b91,
+ 0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a,
+ 0xae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17,
+ 0xb0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9,
+ 0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60,
+ 0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e,
+ 0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1,
+ 0xcad731dc, 0x10426385, 0x40139722, 0x2084c611,
+ 0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1,
+ 0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3,
+ 0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964,
+ 0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390,
+ 0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b,
+ 0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf,
+ 0xe42c3a9d, 0xd507892, 0x9b6a5fcc, 0x62547e46,
+ 0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af,
+ 0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512,
+ 0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb,
+ 0x9cd2678, 0xf46e5918, 0x1ec9ab7, 0xa8834f9a,
+ 0x65e6956e, 0x7eaaffe6, 0x821bccf, 0xe6ef15e8,
+ 0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c,
+ 0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266,
+ 0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8,
+ 0x4af10498, 0xf741ecda, 0xe7fcd50, 0x2f1791f6,
+ 0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604,
+ 0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551,
+ 0x49d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41,
+ 0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647,
+ 0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c,
+ 0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1,
+ 0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737,
+ 0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db,
+ 0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340,
+ 0x72161dc3, 0xcbce225, 0x8b283c49, 0x41ff0d95,
+ 0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1,
+ 0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857
+};
+
+static uint32_t U2[256] = {
+ 0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27,
+ 0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x3934be3,
+ 0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502,
+ 0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562,
+ 0x5a49deb1, 0x1b6725ba, 0xe9845ea, 0xc0e15dfe,
+ 0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3,
+ 0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552,
+ 0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9,
+ 0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9,
+ 0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce,
+ 0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253,
+ 0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908,
+ 0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b,
+ 0xd323ab73, 0x2e2724b, 0x8f57e31f, 0xab2a6655,
+ 0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x8a5d337,
+ 0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16,
+ 0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69,
+ 0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6,
+ 0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6,
+ 0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e,
+ 0x8af93e21, 0x63d96dd, 0x5aedd3e, 0xbd464de6,
+ 0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050,
+ 0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9,
+ 0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8,
+ 0xa47a17c, 0xfe97c42, 0x1ec9f884, 0x0,
+ 0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a,
+ 0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d,
+ 0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436,
+ 0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b,
+ 0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12,
+ 0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b,
+ 0xd0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e,
+ 0x198557f1, 0x74caf75, 0xddbbee99, 0x60fda37f,
+ 0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb,
+ 0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4,
+ 0xdccad731, 0x85104263, 0x22401397, 0x112084c6,
+ 0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729,
+ 0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1,
+ 0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9,
+ 0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233,
+ 0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0xb3698d4,
+ 0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad,
+ 0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e,
+ 0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3,
+ 0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25,
+ 0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b,
+ 0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f,
+ 0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15,
+ 0x9bd9bae7, 0x36ce4a6f, 0x9d4ea9f, 0x7cd629b0,
+ 0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2,
+ 0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7,
+ 0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791,
+ 0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x4dfe496,
+ 0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665,
+ 0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b,
+ 0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6,
+ 0x618c9ad7, 0xc7a37a1, 0x148e59f8, 0x3c89eb13,
+ 0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47,
+ 0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7,
+ 0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844,
+ 0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3,
+ 0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d,
+ 0x17139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456,
+ 0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8
+};
+
+static uint32_t U3[256] = {
+ 0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a,
+ 0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b,
+ 0x30fa5520, 0x766df6ad, 0xcc769188, 0x24c25f5,
+ 0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5,
+ 0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d,
+ 0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b,
+ 0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95,
+ 0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e,
+ 0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27,
+ 0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d,
+ 0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562,
+ 0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x82b94f9,
+ 0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752,
+ 0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66,
+ 0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3,
+ 0x2887f230, 0xbfa5b223, 0x36aba02, 0x16825ced,
+ 0xcf1c2b8a, 0x79b492a7, 0x7f2f0f3, 0x69e2a14e,
+ 0xdaf4cd65, 0x5bed506, 0x34621fd1, 0xa6fe8ac4,
+ 0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4,
+ 0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd,
+ 0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d,
+ 0x548db591, 0xc45d0571, 0x6d46f04, 0x5015ff60,
+ 0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767,
+ 0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79,
+ 0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x0,
+ 0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c,
+ 0xefffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736,
+ 0xfd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24,
+ 0xa67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b,
+ 0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c,
+ 0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12,
+ 0x90d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814,
+ 0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3,
+ 0x1269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b,
+ 0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8,
+ 0x31dccad7, 0x63851042, 0x97224013, 0xc6112084,
+ 0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7,
+ 0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077,
+ 0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247,
+ 0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22,
+ 0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698,
+ 0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f,
+ 0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254,
+ 0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582,
+ 0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf,
+ 0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb,
+ 0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883,
+ 0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef,
+ 0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629,
+ 0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035,
+ 0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533,
+ 0x4984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17,
+ 0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4,
+ 0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46,
+ 0x5eea049d, 0x8c355d01, 0x877473fa, 0xb412efb,
+ 0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d,
+ 0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb,
+ 0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a,
+ 0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73,
+ 0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678,
+ 0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2,
+ 0x1dc37216, 0xe2250cbc, 0x3c498b28, 0xd9541ff,
+ 0xa8017139, 0xcb3de08, 0xb4e49cd8, 0x56c19064,
+ 0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0
+};
+
+#endif
+
+/*
+ * the following tables (aes_sbox, aes_inv_sbox, T4, U4) are
+ * endian-neutral
+ */
+
+static uint8_t
+aes_sbox[256] = {
+ 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5,
+ 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
+ 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0,
+ 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
+ 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc,
+ 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
+ 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a,
+ 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
+ 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0,
+ 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
+ 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b,
+ 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
+ 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85,
+ 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
+ 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5,
+ 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
+ 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17,
+ 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
+ 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88,
+ 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
+ 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c,
+ 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
+ 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9,
+ 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
+ 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6,
+ 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
+ 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e,
+ 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
+ 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94,
+ 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
+ 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68,
+ 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
+};
+
+#ifndef CPU_RISC
+static uint8_t
+aes_inv_sbox[256] = {
+ 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38,
+ 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
+ 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87,
+ 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
+ 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d,
+ 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
+ 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2,
+ 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
+ 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16,
+ 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
+ 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda,
+ 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
+ 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a,
+ 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
+ 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02,
+ 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
+ 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea,
+ 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
+ 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85,
+ 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
+ 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89,
+ 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
+ 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20,
+ 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
+ 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31,
+ 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
+ 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d,
+ 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
+ 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0,
+ 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
+ 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26,
+ 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
+};
+#endif /* ! CPU_RISC */
+
+#ifdef CPU_RISC
+static uint32_t
+T4[256] = {
+ 0x63636363, 0x7c7c7c7c, 0x77777777, 0x7b7b7b7b,
+ 0xf2f2f2f2, 0x6b6b6b6b, 0x6f6f6f6f, 0xc5c5c5c5,
+ 0x30303030, 0x01010101, 0x67676767, 0x2b2b2b2b,
+ 0xfefefefe, 0xd7d7d7d7, 0xabababab, 0x76767676,
+ 0xcacacaca, 0x82828282, 0xc9c9c9c9, 0x7d7d7d7d,
+ 0xfafafafa, 0x59595959, 0x47474747, 0xf0f0f0f0,
+ 0xadadadad, 0xd4d4d4d4, 0xa2a2a2a2, 0xafafafaf,
+ 0x9c9c9c9c, 0xa4a4a4a4, 0x72727272, 0xc0c0c0c0,
+ 0xb7b7b7b7, 0xfdfdfdfd, 0x93939393, 0x26262626,
+ 0x36363636, 0x3f3f3f3f, 0xf7f7f7f7, 0xcccccccc,
+ 0x34343434, 0xa5a5a5a5, 0xe5e5e5e5, 0xf1f1f1f1,
+ 0x71717171, 0xd8d8d8d8, 0x31313131, 0x15151515,
+ 0x04040404, 0xc7c7c7c7, 0x23232323, 0xc3c3c3c3,
+ 0x18181818, 0x96969696, 0x05050505, 0x9a9a9a9a,
+ 0x07070707, 0x12121212, 0x80808080, 0xe2e2e2e2,
+ 0xebebebeb, 0x27272727, 0xb2b2b2b2, 0x75757575,
+ 0x09090909, 0x83838383, 0x2c2c2c2c, 0x1a1a1a1a,
+ 0x1b1b1b1b, 0x6e6e6e6e, 0x5a5a5a5a, 0xa0a0a0a0,
+ 0x52525252, 0x3b3b3b3b, 0xd6d6d6d6, 0xb3b3b3b3,
+ 0x29292929, 0xe3e3e3e3, 0x2f2f2f2f, 0x84848484,
+ 0x53535353, 0xd1d1d1d1, 0x00000000, 0xedededed,
+ 0x20202020, 0xfcfcfcfc, 0xb1b1b1b1, 0x5b5b5b5b,
+ 0x6a6a6a6a, 0xcbcbcbcb, 0xbebebebe, 0x39393939,
+ 0x4a4a4a4a, 0x4c4c4c4c, 0x58585858, 0xcfcfcfcf,
+ 0xd0d0d0d0, 0xefefefef, 0xaaaaaaaa, 0xfbfbfbfb,
+ 0x43434343, 0x4d4d4d4d, 0x33333333, 0x85858585,
+ 0x45454545, 0xf9f9f9f9, 0x02020202, 0x7f7f7f7f,
+ 0x50505050, 0x3c3c3c3c, 0x9f9f9f9f, 0xa8a8a8a8,
+ 0x51515151, 0xa3a3a3a3, 0x40404040, 0x8f8f8f8f,
+ 0x92929292, 0x9d9d9d9d, 0x38383838, 0xf5f5f5f5,
+ 0xbcbcbcbc, 0xb6b6b6b6, 0xdadadada, 0x21212121,
+ 0x10101010, 0xffffffff, 0xf3f3f3f3, 0xd2d2d2d2,
+ 0xcdcdcdcd, 0x0c0c0c0c, 0x13131313, 0xecececec,
+ 0x5f5f5f5f, 0x97979797, 0x44444444, 0x17171717,
+ 0xc4c4c4c4, 0xa7a7a7a7, 0x7e7e7e7e, 0x3d3d3d3d,
+ 0x64646464, 0x5d5d5d5d, 0x19191919, 0x73737373,
+ 0x60606060, 0x81818181, 0x4f4f4f4f, 0xdcdcdcdc,
+ 0x22222222, 0x2a2a2a2a, 0x90909090, 0x88888888,
+ 0x46464646, 0xeeeeeeee, 0xb8b8b8b8, 0x14141414,
+ 0xdededede, 0x5e5e5e5e, 0x0b0b0b0b, 0xdbdbdbdb,
+ 0xe0e0e0e0, 0x32323232, 0x3a3a3a3a, 0x0a0a0a0a,
+ 0x49494949, 0x06060606, 0x24242424, 0x5c5c5c5c,
+ 0xc2c2c2c2, 0xd3d3d3d3, 0xacacacac, 0x62626262,
+ 0x91919191, 0x95959595, 0xe4e4e4e4, 0x79797979,
+ 0xe7e7e7e7, 0xc8c8c8c8, 0x37373737, 0x6d6d6d6d,
+ 0x8d8d8d8d, 0xd5d5d5d5, 0x4e4e4e4e, 0xa9a9a9a9,
+ 0x6c6c6c6c, 0x56565656, 0xf4f4f4f4, 0xeaeaeaea,
+ 0x65656565, 0x7a7a7a7a, 0xaeaeaeae, 0x08080808,
+ 0xbabababa, 0x78787878, 0x25252525, 0x2e2e2e2e,
+ 0x1c1c1c1c, 0xa6a6a6a6, 0xb4b4b4b4, 0xc6c6c6c6,
+ 0xe8e8e8e8, 0xdddddddd, 0x74747474, 0x1f1f1f1f,
+ 0x4b4b4b4b, 0xbdbdbdbd, 0x8b8b8b8b, 0x8a8a8a8a,
+ 0x70707070, 0x3e3e3e3e, 0xb5b5b5b5, 0x66666666,
+ 0x48484848, 0x03030303, 0xf6f6f6f6, 0x0e0e0e0e,
+ 0x61616161, 0x35353535, 0x57575757, 0xb9b9b9b9,
+ 0x86868686, 0xc1c1c1c1, 0x1d1d1d1d, 0x9e9e9e9e,
+ 0xe1e1e1e1, 0xf8f8f8f8, 0x98989898, 0x11111111,
+ 0x69696969, 0xd9d9d9d9, 0x8e8e8e8e, 0x94949494,
+ 0x9b9b9b9b, 0x1e1e1e1e, 0x87878787, 0xe9e9e9e9,
+ 0xcececece, 0x55555555, 0x28282828, 0xdfdfdfdf,
+ 0x8c8c8c8c, 0xa1a1a1a1, 0x89898989, 0x0d0d0d0d,
+ 0xbfbfbfbf, 0xe6e6e6e6, 0x42424242, 0x68686868,
+ 0x41414141, 0x99999999, 0x2d2d2d2d, 0x0f0f0f0f,
+ 0xb0b0b0b0, 0x54545454, 0xbbbbbbbb, 0x16161616
+};
+
+static uint32_t U4[256] = {
+ 0x52525252, 0x9090909, 0x6a6a6a6a, 0xd5d5d5d5,
+ 0x30303030, 0x36363636, 0xa5a5a5a5, 0x38383838,
+ 0xbfbfbfbf, 0x40404040, 0xa3a3a3a3, 0x9e9e9e9e,
+ 0x81818181, 0xf3f3f3f3, 0xd7d7d7d7, 0xfbfbfbfb,
+ 0x7c7c7c7c, 0xe3e3e3e3, 0x39393939, 0x82828282,
+ 0x9b9b9b9b, 0x2f2f2f2f, 0xffffffff, 0x87878787,
+ 0x34343434, 0x8e8e8e8e, 0x43434343, 0x44444444,
+ 0xc4c4c4c4, 0xdededede, 0xe9e9e9e9, 0xcbcbcbcb,
+ 0x54545454, 0x7b7b7b7b, 0x94949494, 0x32323232,
+ 0xa6a6a6a6, 0xc2c2c2c2, 0x23232323, 0x3d3d3d3d,
+ 0xeeeeeeee, 0x4c4c4c4c, 0x95959595, 0xb0b0b0b,
+ 0x42424242, 0xfafafafa, 0xc3c3c3c3, 0x4e4e4e4e,
+ 0x8080808, 0x2e2e2e2e, 0xa1a1a1a1, 0x66666666,
+ 0x28282828, 0xd9d9d9d9, 0x24242424, 0xb2b2b2b2,
+ 0x76767676, 0x5b5b5b5b, 0xa2a2a2a2, 0x49494949,
+ 0x6d6d6d6d, 0x8b8b8b8b, 0xd1d1d1d1, 0x25252525,
+ 0x72727272, 0xf8f8f8f8, 0xf6f6f6f6, 0x64646464,
+ 0x86868686, 0x68686868, 0x98989898, 0x16161616,
+ 0xd4d4d4d4, 0xa4a4a4a4, 0x5c5c5c5c, 0xcccccccc,
+ 0x5d5d5d5d, 0x65656565, 0xb6b6b6b6, 0x92929292,
+ 0x6c6c6c6c, 0x70707070, 0x48484848, 0x50505050,
+ 0xfdfdfdfd, 0xedededed, 0xb9b9b9b9, 0xdadadada,
+ 0x5e5e5e5e, 0x15151515, 0x46464646, 0x57575757,
+ 0xa7a7a7a7, 0x8d8d8d8d, 0x9d9d9d9d, 0x84848484,
+ 0x90909090, 0xd8d8d8d8, 0xabababab, 0x0,
+ 0x8c8c8c8c, 0xbcbcbcbc, 0xd3d3d3d3, 0xa0a0a0a,
+ 0xf7f7f7f7, 0xe4e4e4e4, 0x58585858, 0x5050505,
+ 0xb8b8b8b8, 0xb3b3b3b3, 0x45454545, 0x6060606,
+ 0xd0d0d0d0, 0x2c2c2c2c, 0x1e1e1e1e, 0x8f8f8f8f,
+ 0xcacacaca, 0x3f3f3f3f, 0xf0f0f0f, 0x2020202,
+ 0xc1c1c1c1, 0xafafafaf, 0xbdbdbdbd, 0x3030303,
+ 0x1010101, 0x13131313, 0x8a8a8a8a, 0x6b6b6b6b,
+ 0x3a3a3a3a, 0x91919191, 0x11111111, 0x41414141,
+ 0x4f4f4f4f, 0x67676767, 0xdcdcdcdc, 0xeaeaeaea,
+ 0x97979797, 0xf2f2f2f2, 0xcfcfcfcf, 0xcececece,
+ 0xf0f0f0f0, 0xb4b4b4b4, 0xe6e6e6e6, 0x73737373,
+ 0x96969696, 0xacacacac, 0x74747474, 0x22222222,
+ 0xe7e7e7e7, 0xadadadad, 0x35353535, 0x85858585,
+ 0xe2e2e2e2, 0xf9f9f9f9, 0x37373737, 0xe8e8e8e8,
+ 0x1c1c1c1c, 0x75757575, 0xdfdfdfdf, 0x6e6e6e6e,
+ 0x47474747, 0xf1f1f1f1, 0x1a1a1a1a, 0x71717171,
+ 0x1d1d1d1d, 0x29292929, 0xc5c5c5c5, 0x89898989,
+ 0x6f6f6f6f, 0xb7b7b7b7, 0x62626262, 0xe0e0e0e,
+ 0xaaaaaaaa, 0x18181818, 0xbebebebe, 0x1b1b1b1b,
+ 0xfcfcfcfc, 0x56565656, 0x3e3e3e3e, 0x4b4b4b4b,
+ 0xc6c6c6c6, 0xd2d2d2d2, 0x79797979, 0x20202020,
+ 0x9a9a9a9a, 0xdbdbdbdb, 0xc0c0c0c0, 0xfefefefe,
+ 0x78787878, 0xcdcdcdcd, 0x5a5a5a5a, 0xf4f4f4f4,
+ 0x1f1f1f1f, 0xdddddddd, 0xa8a8a8a8, 0x33333333,
+ 0x88888888, 0x7070707, 0xc7c7c7c7, 0x31313131,
+ 0xb1b1b1b1, 0x12121212, 0x10101010, 0x59595959,
+ 0x27272727, 0x80808080, 0xecececec, 0x5f5f5f5f,
+ 0x60606060, 0x51515151, 0x7f7f7f7f, 0xa9a9a9a9,
+ 0x19191919, 0xb5b5b5b5, 0x4a4a4a4a, 0xd0d0d0d,
+ 0x2d2d2d2d, 0xe5e5e5e5, 0x7a7a7a7a, 0x9f9f9f9f,
+ 0x93939393, 0xc9c9c9c9, 0x9c9c9c9c, 0xefefefef,
+ 0xa0a0a0a0, 0xe0e0e0e0, 0x3b3b3b3b, 0x4d4d4d4d,
+ 0xaeaeaeae, 0x2a2a2a2a, 0xf5f5f5f5, 0xb0b0b0b0,
+ 0xc8c8c8c8, 0xebebebeb, 0xbbbbbbbb, 0x3c3c3c3c,
+ 0x83838383, 0x53535353, 0x99999999, 0x61616161,
+ 0x17171717, 0x2b2b2b2b, 0x4040404, 0x7e7e7e7e,
+ 0xbabababa, 0x77777777, 0xd6d6d6d6, 0x26262626,
+ 0xe1e1e1e1, 0x69696969, 0x14141414, 0x63636363,
+ 0x55555555, 0x21212121, 0xc0c0c0c, 0x7d7d7d7d
+};
+#endif /* CPU_RISC */
+
+
+/* aes internals */
+
+extern debug_module_t mod_aes_icm;
+
+void
+aes_expand_encryption_key(const v128_t *key,
+ aes_expanded_key_t expanded_key) {
+ int i;
+ gf2_8 rc;
+
+ /* initialize round constant */
+ rc = 1;
+
+ expanded_key[0].v32[0] = key->v32[0];
+ expanded_key[0].v32[1] = key->v32[1];
+ expanded_key[0].v32[2] = key->v32[2];
+ expanded_key[0].v32[3] = key->v32[3];
+
+#if 0
+ debug_print(mod_aes_icm,
+ "expanded key[0]: %s", v128_hex_string(&expanded_key[0]));
+#endif
+
+ /* loop over round keys */
+ for (i=1; i < 11; i++) {
+
+ /* munge first word of round key */
+ expanded_key[i].v8[0] = aes_sbox[expanded_key[i-1].v8[13]] ^ rc;
+ expanded_key[i].v8[1] = aes_sbox[expanded_key[i-1].v8[14]];
+ expanded_key[i].v8[2] = aes_sbox[expanded_key[i-1].v8[15]];
+ expanded_key[i].v8[3] = aes_sbox[expanded_key[i-1].v8[12]];
+
+ expanded_key[i].v32[0] ^= expanded_key[i-1].v32[0];
+
+ /* set remaining 32 bit words to the exor of the one previous with
+ * the one four words previous */
+
+ expanded_key[i].v32[1] =
+ expanded_key[i].v32[0] ^ expanded_key[i-1].v32[1];
+
+ expanded_key[i].v32[2] =
+ expanded_key[i].v32[1] ^ expanded_key[i-1].v32[2];
+
+ expanded_key[i].v32[3] =
+ expanded_key[i].v32[2] ^ expanded_key[i-1].v32[3];
+
+#if 0
+ debug_print2(mod_aes_icm,
+ "expanded key[%d]: %s", i,v128_hex_string(&expanded_key[i]));
+#endif
+
+ /* modify round constant */
+ rc = gf2_8_shift(rc);
+
+ }
+}
+
+void
+aes_expand_decryption_key(const v128_t *key,
+ aes_expanded_key_t expanded_key) {
+ int i;
+
+ aes_expand_encryption_key(key, expanded_key);
+
+ /* invert the order of the round keys */
+ for (i=0; i < 5; i++) {
+ v128_t tmp;
+ v128_copy(&tmp, &expanded_key[10-i]);
+ v128_copy(&expanded_key[10-i], &expanded_key[i]);
+ v128_copy(&expanded_key[i], &tmp);
+ }
+
+ /*
+ * apply the inverse mixColumn transform to the round keys (except
+ * for the first and the last)
+ *
+ * mixColumn is implemented by using the tables U0, U1, U2, U3,
+ * followed by the T4 table (which cancels out the use of the sbox
+ * in the U-tables)
+ */
+ for (i=1; i < 10; i++) {
+#ifdef CPU_RISC
+ uint32_t tmp;
+
+ tmp = expanded_key[i].v32[0];
+ expanded_key[i].v32[0] =
+ U0[T4[(tmp >> 24) ] & 0xff] ^
+ U1[T4[(tmp >> 16) & 0xff] & 0xff] ^
+ U2[T4[(tmp >> 8) & 0xff] & 0xff] ^
+ U3[T4[(tmp) & 0xff] & 0xff];
+
+ tmp = expanded_key[i].v32[1];
+ expanded_key[i].v32[1] =
+ U0[T4[(tmp >> 24) ] & 0xff] ^
+ U1[T4[(tmp >> 16) & 0xff] & 0xff] ^
+ U2[T4[(tmp >> 8) & 0xff] & 0xff] ^
+ U3[T4[(tmp) & 0xff] & 0xff];
+
+ tmp = expanded_key[i].v32[2];
+ expanded_key[i].v32[2] =
+ U0[T4[(tmp >> 24) ] & 0xff] ^
+ U1[T4[(tmp >> 16) & 0xff] & 0xff] ^
+ U2[T4[(tmp >> 8) & 0xff] & 0xff] ^
+ U3[T4[(tmp) & 0xff] & 0xff];
+
+ tmp = expanded_key[i].v32[3];
+ expanded_key[i].v32[3] =
+ U0[T4[(tmp >> 24) ] & 0xff] ^
+ U1[T4[(tmp >> 16) & 0xff] & 0xff] ^
+ U2[T4[(tmp >> 8) & 0xff] & 0xff] ^
+ U3[T4[(tmp) & 0xff] & 0xff];
+#else /* assume CPU_CISC */
+
+ uint32_t c0, c1, c2, c3;
+
+ c0 = U0[aes_sbox[expanded_key[i].v8[0]]]
+ ^ U1[aes_sbox[expanded_key[i].v8[1]]]
+ ^ U2[aes_sbox[expanded_key[i].v8[2]]]
+ ^ U3[aes_sbox[expanded_key[i].v8[3]]];
+
+ c1 = U0[aes_sbox[expanded_key[i].v8[4]]]
+ ^ U1[aes_sbox[expanded_key[i].v8[5]]]
+ ^ U2[aes_sbox[expanded_key[i].v8[6]]]
+ ^ U3[aes_sbox[expanded_key[i].v8[7]]];
+
+ c2 = U0[aes_sbox[expanded_key[i].v8[8]]]
+ ^ U1[aes_sbox[expanded_key[i].v8[9]]]
+ ^ U2[aes_sbox[expanded_key[i].v8[10]]]
+ ^ U3[aes_sbox[expanded_key[i].v8[11]]];
+
+ c3 = U0[aes_sbox[expanded_key[i].v8[12]]]
+ ^ U1[aes_sbox[expanded_key[i].v8[13]]]
+ ^ U2[aes_sbox[expanded_key[i].v8[14]]]
+ ^ U3[aes_sbox[expanded_key[i].v8[15]]];
+
+ expanded_key[i].v32[0] = c0;
+ expanded_key[i].v32[1] = c1;
+ expanded_key[i].v32[2] = c2;
+ expanded_key[i].v32[3] = c3;
+
+#endif
+ }
+}
+
+#ifdef CPU_CISC
+
+
+static inline void
+aes_round(v128_t *state, const v128_t *round_key) {
+ uint32_t column0, column1, column2, column3;
+
+ /* compute the columns of the output square in terms of the octets
+ of state, using the tables T0, T1, T2, T3 */
+
+ column0 = T0[state->v8[0]] ^ T1[state->v8[5]]
+ ^ T2[state->v8[10]] ^ T3[state->v8[15]];
+
+ column1 = T0[state->v8[4]] ^ T1[state->v8[9]]
+ ^ T2[state->v8[14]] ^ T3[state->v8[3]];
+
+ column2 = T0[state->v8[8]] ^ T1[state->v8[13]]
+ ^ T2[state->v8[2]] ^ T3[state->v8[7]];
+
+ column3 = T0[state->v8[12]] ^ T1[state->v8[1]]
+ ^ T2[state->v8[6]] ^ T3[state->v8[11]];
+
+ state->v32[0] = column0 ^ round_key->v32[0];
+ state->v32[1] = column1 ^ round_key->v32[1];
+ state->v32[2] = column2 ^ round_key->v32[2];
+ state->v32[3] = column3 ^ round_key->v32[3];
+
+}
+
+
+static inline void
+aes_inv_round(v128_t *state, const v128_t *round_key) {
+ uint32_t column0, column1, column2, column3;
+
+ /* compute the columns of the output square in terms of the octets
+ of state, using the tables U0, U1, U2, U3 */
+
+ column0 = U0[state->v8[0]] ^ U1[state->v8[13]]
+ ^ U2[state->v8[10]] ^ U3[state->v8[7]];
+
+ column1 = U0[state->v8[4]] ^ U1[state->v8[1]]
+ ^ U2[state->v8[14]] ^ U3[state->v8[11]];
+
+ column2 = U0[state->v8[8]] ^ U1[state->v8[5]]
+ ^ U2[state->v8[2]] ^ U3[state->v8[15]];
+
+ column3 = U0[state->v8[12]] ^ U1[state->v8[9]]
+ ^ U2[state->v8[6]] ^ U3[state->v8[3]];
+
+ state->v32[0] = column0 ^ round_key->v32[0];
+ state->v32[1] = column1 ^ round_key->v32[1];
+ state->v32[2] = column2 ^ round_key->v32[2];
+ state->v32[3] = column3 ^ round_key->v32[3];
+
+}
+
+static inline void
+aes_final_round(v128_t *state, const v128_t *round_key) {
+ uint8_t tmp;
+
+ /* byte substitutions and row shifts */
+ /* first row - no shift */
+ state->v8[0] = aes_sbox[state->v8[0]];
+ state->v8[4] = aes_sbox[state->v8[4]];
+ state->v8[8] = aes_sbox[state->v8[8]];
+ state->v8[12] = aes_sbox[state->v8[12]];
+
+ /* second row - shift one left */
+ tmp = aes_sbox[state->v8[1]];
+ state->v8[1] = aes_sbox[state->v8[5]];
+ state->v8[5] = aes_sbox[state->v8[9]];
+ state->v8[9] = aes_sbox[state->v8[13]];
+ state->v8[13] = tmp;
+
+ /* third row - shift two left */
+ tmp = aes_sbox[state->v8[10]];
+ state->v8[10] = aes_sbox[state->v8[2]];
+ state->v8[2] = tmp;
+ tmp = aes_sbox[state->v8[14]];
+ state->v8[14] = aes_sbox[state->v8[6]];
+ state->v8[6] = tmp;
+
+ /* fourth row - shift three left */
+ tmp = aes_sbox[state->v8[15]];
+ state->v8[15] = aes_sbox[state->v8[11]];
+ state->v8[11] = aes_sbox[state->v8[7]];
+ state->v8[7] = aes_sbox[state->v8[3]];
+ state->v8[3] = tmp;
+
+ v128_xor_eq(state, round_key);
+}
+
+static inline void
+aes_inv_final_round(v128_t *state, const v128_t *round_key) {
+ uint8_t tmp;
+
+ /* byte substitutions and row shifts */
+ /* first row - no shift */
+ state->v8[0] = aes_inv_sbox[state->v8[0]];
+ state->v8[4] = aes_inv_sbox[state->v8[4]];
+ state->v8[8] = aes_inv_sbox[state->v8[8]];
+ state->v8[12] = aes_inv_sbox[state->v8[12]];
+
+ /* second row - shift one right */
+ tmp = aes_inv_sbox[state->v8[13]];
+ state->v8[13] = aes_inv_sbox[state->v8[9]];
+ state->v8[9] = aes_inv_sbox[state->v8[5]];
+ state->v8[5] = aes_inv_sbox[state->v8[1]];
+ state->v8[1] = tmp;
+
+ /* third row - shift two right */
+ tmp = aes_inv_sbox[state->v8[2]];
+ state->v8[2] = aes_inv_sbox[state->v8[10]];
+ state->v8[10] = tmp;
+ tmp = aes_inv_sbox[state->v8[6]];
+ state->v8[6] = aes_inv_sbox[state->v8[14]];
+ state->v8[14] = tmp;
+
+ /* fourth row - shift three right */
+ tmp = aes_inv_sbox[state->v8[3]];
+ state->v8[3] = aes_inv_sbox[state->v8[7]];
+ state->v8[7] = aes_inv_sbox[state->v8[11]];
+ state->v8[11] = aes_inv_sbox[state->v8[15]];
+ state->v8[15] = tmp;
+
+ v128_xor_eq(state, round_key);
+}
+
+
+#elif CPU_RISC
+
+static inline void
+aes_round(v128_t *state, const v128_t *round_key) {
+ uint32_t column0, column1, column2, column3;
+
+ /* compute the columns of the output square in terms of the octets
+ of state, using the tables T0, T1, T2, T3 */
+#ifdef WORDS_BIGENDIAN
+ column0 = T0[state->v32[0] >> 24] ^ T1[(state->v32[1] >> 16) & 0xff]
+ ^ T2[(state->v32[2] >> 8) & 0xff] ^ T3[state->v32[3] & 0xff];
+
+ column1 = T0[state->v32[1] >> 24] ^ T1[(state->v32[2] >> 16) & 0xff]
+ ^ T2[(state->v32[3] >> 8) & 0xff] ^ T3[state->v32[0] & 0xff];
+
+ column2 = T0[state->v32[2] >> 24] ^ T1[(state->v32[3] >> 16) & 0xff]
+ ^ T2[(state->v32[0] >> 8) & 0xff] ^ T3[state->v32[1] & 0xff];
+
+ column3 = T0[state->v32[3] >> 24] ^ T1[(state->v32[0] >> 16) & 0xff]
+ ^ T2[(state->v32[1] >> 8) & 0xff] ^ T3[state->v32[2] & 0xff];
+#else
+ column0 = T0[state->v32[0] & 0xff] ^ T1[(state->v32[1] >> 8) & 0xff]
+ ^ T2[(state->v32[2] >> 16) & 0xff] ^ T3[state->v32[3] >> 24];
+
+ column1 = T0[state->v32[1] & 0xff] ^ T1[(state->v32[2] >> 8) & 0xff]
+ ^ T2[(state->v32[3] >> 16) & 0xff] ^ T3[state->v32[0] >> 24];
+
+ column2 = T0[state->v32[2] & 0xff] ^ T1[(state->v32[3] >> 8) & 0xff]
+ ^ T2[(state->v32[0] >> 16) & 0xff] ^ T3[state->v32[1] >> 24];
+
+ column3 = T0[state->v32[3] & 0xff] ^ T1[(state->v32[0] >> 8) & 0xff]
+ ^ T2[(state->v32[1] >> 16) & 0xff] ^ T3[state->v32[2] >> 24];
+#endif /* WORDS_BIGENDIAN */
+
+ state->v32[0] = column0 ^ round_key->v32[0];
+ state->v32[1] = column1 ^ round_key->v32[1];
+ state->v32[2] = column2 ^ round_key->v32[2];
+ state->v32[3] = column3 ^ round_key->v32[3];
+
+}
+
+static inline void
+aes_inv_round(v128_t *state, const v128_t *round_key) {
+ uint32_t column0, column1, column2, column3;
+
+ /* compute the columns of the output square in terms of the octets
+ of state, using the tables U0, U1, U2, U3 */
+
+#ifdef WORDS_BIGENDIAN
+ /* FIX! WRong indexes */
+ column0 = U0[state->v32[0] >> 24] ^ U1[(state->v32[3] >> 16) & 0xff]
+ ^ U2[(state->v32[2] >> 8) & 0xff] ^ U3[state->v32[1] & 0xff];
+
+ column1 = U0[state->v32[1] >> 24] ^ U1[(state->v32[0] >> 16) & 0xff]
+ ^ U2[(state->v32[3] >> 8) & 0xff] ^ U3[state->v32[2] & 0xff];
+
+ column2 = U0[state->v32[2] >> 24] ^ U1[(state->v32[1] >> 16) & 0xff]
+ ^ U2[(state->v32[0] >> 8) & 0xff] ^ U3[state->v32[3] & 0xff];
+
+ column3 = U0[state->v32[3] >> 24] ^ U1[(state->v32[2] >> 16) & 0xff]
+ ^ U2[(state->v32[1] >> 8) & 0xff] ^ U3[state->v32[0] & 0xff];
+#else
+ column0 = U0[state->v32[0] & 0xff] ^ U1[(state->v32[1] >> 8) & 0xff]
+ ^ U2[(state->v32[2] >> 16) & 0xff] ^ U3[state->v32[3] >> 24];
+
+ column1 = U0[state->v32[1] & 0xff] ^ U1[(state->v32[2] >> 8) & 0xff]
+ ^ U2[(state->v32[3] >> 16) & 0xff] ^ U3[state->v32[0] >> 24];
+
+ column2 = U0[state->v32[2] & 0xff] ^ U1[(state->v32[3] >> 8) & 0xff]
+ ^ U2[(state->v32[0] >> 16) & 0xff] ^ U3[state->v32[1] >> 24];
+
+ column3 = U0[state->v32[3] & 0xff] ^ U1[(state->v32[0] >> 8) & 0xff]
+ ^ U2[(state->v32[1] >> 16) & 0xff] ^ U3[state->v32[2] >> 24];
+#endif /* WORDS_BIGENDIAN */
+
+ state->v32[0] = column0 ^ round_key->v32[0];
+ state->v32[1] = column1 ^ round_key->v32[1];
+ state->v32[2] = column2 ^ round_key->v32[2];
+ state->v32[3] = column3 ^ round_key->v32[3];
+
+}
+
+static inline void
+aes_final_round(v128_t *state, const v128_t *round_key) {
+ uint32_t tmp0, tmp1, tmp2, tmp3;
+
+ tmp0 = (T4[(state->v32[0] >> 24)] & 0xff000000)
+ ^ (T4[(state->v32[1] >> 16) & 0xff] & 0x00ff0000)
+ ^ (T4[(state->v32[2] >> 8) & 0xff] & 0x0000ff00)
+ ^ (T4[(state->v32[3] ) & 0xff] & 0x000000ff)
+ ^ round_key->v32[0];
+
+ tmp1 = (T4[(state->v32[1] >> 24)] & 0xff000000)
+ ^ (T4[(state->v32[2] >> 16) & 0xff] & 0x00ff0000)
+ ^ (T4[(state->v32[3] >> 8) & 0xff] & 0x0000ff00)
+ ^ (T4[(state->v32[0] ) & 0xff] & 0x000000ff)
+ ^ round_key->v32[1];
+
+ tmp2 = (T4[(state->v32[2] >> 24)] & 0xff000000)
+ ^ (T4[(state->v32[3] >> 16) & 0xff] & 0x00ff0000)
+ ^ (T4[(state->v32[0] >> 8) & 0xff] & 0x0000ff00)
+ ^ (T4[(state->v32[1] ) & 0xff] & 0x000000ff)
+ ^ round_key->v32[2];
+
+ tmp3 = (T4[(state->v32[3] >> 24)] & 0xff000000)
+ ^ (T4[(state->v32[0] >> 16) & 0xff] & 0x00ff0000)
+ ^ (T4[(state->v32[1] >> 8) & 0xff] & 0x0000ff00)
+ ^ (T4[(state->v32[2] ) & 0xff] & 0x000000ff)
+ ^ round_key->v32[3];
+
+ state->v32[0] = tmp0;
+ state->v32[1] = tmp1;
+ state->v32[2] = tmp2;
+ state->v32[3] = tmp3;
+
+}
+
+static inline void
+aes_inv_final_round(v128_t *state, const v128_t *round_key) {
+ uint32_t tmp0, tmp1, tmp2, tmp3;
+
+ tmp0 = (U4[(state->v32[0] >> 24)] & 0xff000000)
+ ^ (U4[(state->v32[3] >> 16) & 0xff] & 0x00ff0000)
+ ^ (U4[(state->v32[2] >> 8) & 0xff] & 0x0000ff00)
+ ^ (U4[(state->v32[1] ) & 0xff] & 0x000000ff)
+ ^ round_key->v32[0];
+
+ tmp1 = (U4[(state->v32[1] >> 24)] & 0xff000000)
+ ^ (U4[(state->v32[0] >> 16) & 0xff] & 0x00ff0000)
+ ^ (U4[(state->v32[3] >> 8) & 0xff] & 0x0000ff00)
+ ^ (U4[(state->v32[2] ) & 0xff] & 0x000000ff)
+ ^ round_key->v32[1];
+
+ tmp2 = (U4[(state->v32[2] >> 24)] & 0xff000000)
+ ^ (U4[(state->v32[1] >> 16) & 0xff] & 0x00ff0000)
+ ^ (U4[(state->v32[0] >> 8) & 0xff] & 0x0000ff00)
+ ^ (U4[(state->v32[3] ) & 0xff] & 0x000000ff)
+ ^ round_key->v32[2];
+
+ tmp3 = (U4[(state->v32[3] >> 24)] & 0xff000000)
+ ^ (U4[(state->v32[2] >> 16) & 0xff] & 0x00ff0000)
+ ^ (U4[(state->v32[1] >> 8) & 0xff] & 0x0000ff00)
+ ^ (U4[(state->v32[0] ) & 0xff] & 0x000000ff)
+ ^ round_key->v32[3];
+
+ state->v32[0] = tmp0;
+ state->v32[1] = tmp1;
+ state->v32[2] = tmp2;
+ state->v32[3] = tmp3;
+
+}
+
+#elif CPU_16 /* assume 16-bit word size on processor */
+
+static inline void
+aes_round(v128_t *state, const v128_t *round_key) {
+ uint32_t column0, column1, column2, column3;
+ uint16_t c
+ /* compute the columns of the output square in terms of the octets
+ of state, using the tables T0, T1, T2, T3 */
+
+ column0 = T0[state->v8[0]] ^ T1[state->v8[5]]
+ ^ T2[state->v8[10]] ^ T3[state->v8[15]];
+
+ column1 = T0[state->v8[4]] ^ T1[state->v8[9]]
+ ^ T2[state->v8[14]] ^ T3[state->v8[3]];
+
+ column2 = T0[state->v8[8]] ^ T1[state->v8[13]]
+ ^ T2[state->v8[2]] ^ T3[state->v8[7]];
+
+ column3 = T0[state->v8[12]] ^ T1[state->v8[1]]
+ ^ T2[state->v8[6]] ^ T3[state->v8[11]];
+
+ state->v32[0] = column0 ^ round_key->v32[0];
+ state->v32[1] = column1 ^ round_key->v32[1];
+ state->v32[2] = column2 ^ round_key->v32[2];
+ state->v32[3] = column3 ^ round_key->v32[3];
+
+}
+
+
+static inline void
+aes_inv_round(v128_t *state, const v128_t *round_key) {
+ uint32_t column0, column1, column2, column3;
+
+ /* compute the columns of the output square in terms of the octets
+ of state, using the tables U0, U1, U2, U3 */
+
+ column0 = U0[state->v8[0]] ^ U1[state->v8[5]]
+ ^ U2[state->v8[10]] ^ U3[state->v8[15]];
+
+ column1 = U0[state->v8[4]] ^ U1[state->v8[9]]
+ ^ U2[state->v8[14]] ^ U3[state->v8[3]];
+
+ column2 = U0[state->v8[8]] ^ U1[state->v8[13]]
+ ^ U2[state->v8[2]] ^ U3[state->v8[7]];
+
+ column3 = U0[state->v8[12]] ^ U1[state->v8[1]]
+ ^ U2[state->v8[6]] ^ U3[state->v8[11]];
+
+ state->v32[0] = column0 ^ round_key->v32[0];
+ state->v32[1] = column1 ^ round_key->v32[1];
+ state->v32[2] = column2 ^ round_key->v32[2];
+ state->v32[3] = column3 ^ round_key->v32[3];
+
+}
+
+static inline void
+aes_final_round(v128_t *state, const v128_t *round_key) {
+ uint8_t tmp;
+
+ /* byte substitutions and row shifts */
+ /* first row - no shift */
+ state->v8[0] = aes_sbox[state->v8[0]];
+ state->v8[4] = aes_sbox[state->v8[4]];
+ state->v8[8] = aes_sbox[state->v8[8]];
+ state->v8[12] = aes_sbox[state->v8[12]];
+
+ /* second row - shift one left */
+ tmp = aes_sbox[state->v8[1]];
+ state->v8[1] = aes_sbox[state->v8[5]];
+ state->v8[5] = aes_sbox[state->v8[9]];
+ state->v8[9] = aes_sbox[state->v8[13]];
+ state->v8[13] = tmp;
+
+ /* third row - shift two left */
+ tmp = aes_sbox[state->v8[10]];
+ state->v8[10] = aes_sbox[state->v8[2]];
+ state->v8[2] = tmp;
+ tmp = aes_sbox[state->v8[14]];
+ state->v8[14] = aes_sbox[state->v8[6]];
+ state->v8[6] = tmp;
+
+ /* fourth row - shift three left */
+ tmp = aes_sbox[state->v8[15]];
+ state->v8[15] = aes_sbox[state->v8[11]];
+ state->v8[11] = aes_sbox[state->v8[7]];
+ state->v8[7] = aes_sbox[state->v8[3]];
+ state->v8[3] = tmp;
+
+ v128_xor_eq(state, round_key);
+}
+
+static inline void
+aes_inv_final_round(v128_t *state, const v128_t *round_key) {
+ uint8_t tmp;
+
+ /* byte substitutions and row shifts */
+ /* first row - no shift */
+ state->v8[0] = aes_inv_sbox[state->v8[0]];
+ state->v8[4] = aes_inv_sbox[state->v8[4]];
+ state->v8[8] = aes_inv_sbox[state->v8[8]];
+ state->v8[12] = aes_inv_sbox[state->v8[12]];
+
+ /* second row - shift one left */
+ tmp = aes_inv_sbox[state->v8[1]];
+ state->v8[1] = aes_inv_sbox[state->v8[5]];
+ state->v8[5] = aes_inv_sbox[state->v8[9]];
+ state->v8[9] = aes_inv_sbox[state->v8[13]];
+ state->v8[13] = tmp;
+
+ /* third row - shift two left */
+ tmp = aes_inv_sbox[state->v8[10]];
+ state->v8[10] = aes_inv_sbox[state->v8[2]];
+ state->v8[2] = tmp;
+ tmp = aes_inv_sbox[state->v8[14]];
+ state->v8[14] = aes_inv_sbox[state->v8[6]];
+ state->v8[6] = tmp;
+
+ /* fourth row - shift three left */
+ tmp = aes_inv_sbox[state->v8[15]];
+ state->v8[15] = aes_inv_sbox[state->v8[11]];
+ state->v8[11] = aes_inv_sbox[state->v8[7]];
+ state->v8[7] = aes_inv_sbox[state->v8[3]];
+ state->v8[3] = tmp;
+
+ v128_xor_eq(state, round_key);
+}
+
+#endif /* CPU type */
+
+
+void
+aes_encrypt(v128_t *plaintext, const aes_expanded_key_t exp_key) {
+
+ /* add in the subkey */
+ v128_xor_eq(plaintext, exp_key + 0);
+
+ /* now do nine rounds */
+ aes_round(plaintext, exp_key + 1);
+ aes_round(plaintext, exp_key + 2);
+ aes_round(plaintext, exp_key + 3);
+ aes_round(plaintext, exp_key + 4);
+ aes_round(plaintext, exp_key + 5);
+ aes_round(plaintext, exp_key + 6);
+ aes_round(plaintext, exp_key + 7);
+ aes_round(plaintext, exp_key + 8);
+ aes_round(plaintext, exp_key + 9);
+ /* the last round is different */
+
+ aes_final_round(plaintext, exp_key + 10);
+}
+
+void
+aes_decrypt(v128_t *plaintext, const aes_expanded_key_t exp_key) {
+
+ /* add in the subkey */
+ v128_xor_eq(plaintext, exp_key + 0);
+
+ /* now do nine rounds */
+ aes_inv_round(plaintext, exp_key + 1);
+ aes_inv_round(plaintext, exp_key + 2);
+ aes_inv_round(plaintext, exp_key + 3);
+ aes_inv_round(plaintext, exp_key + 4);
+ aes_inv_round(plaintext, exp_key + 5);
+ aes_inv_round(plaintext, exp_key + 6);
+ aes_inv_round(plaintext, exp_key + 7);
+ aes_inv_round(plaintext, exp_key + 8);
+ aes_inv_round(plaintext, exp_key + 9);
+ /* the last round is different */
+ aes_inv_final_round(plaintext, exp_key + 10);
+}
diff --git a/crypto/cipher/aes_cbc.c b/crypto/cipher/aes_cbc.c
new file mode 100644
index 0000000..8fc6a32
--- /dev/null
+++ b/crypto/cipher/aes_cbc.c
@@ -0,0 +1,444 @@
+/*
+ * aes_cbc.c
+ *
+ * AES Cipher Block Chaining Mode
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "aes_cbc.h"
+#include "alloc.h"
+
+debug_module_t mod_aes_cbc = {
+ 0, /* debugging is off by default */
+ "aes cbc" /* printable module name */
+};
+
+
+
+err_status_t
+aes_cbc_alloc(cipher_t **c, int key_len) {
+ extern cipher_type_t aes_cbc;
+ uint8_t *pointer;
+ int tmp;
+
+ debug_print(mod_aes_cbc,
+ "allocating cipher with key length %d", key_len);
+
+ if (key_len != 16)
+ return err_status_bad_param;
+
+ /* allocate memory a cipher of type aes_icm */
+ tmp = (sizeof(aes_cbc_ctx_t) + sizeof(cipher_t));
+ pointer = (uint8_t*)crypto_alloc(tmp);
+ if (pointer == NULL)
+ return err_status_alloc_fail;
+
+ /* set pointers */
+ *c = (cipher_t *)pointer;
+ (*c)->type = &aes_cbc;
+ (*c)->state = pointer + sizeof(cipher_t);
+
+ /* increment ref_count */
+ aes_cbc.ref_count++;
+
+ /* set key size */
+ (*c)->key_len = key_len;
+
+ return err_status_ok;
+}
+
+err_status_t
+aes_cbc_dealloc(cipher_t *c) {
+ extern cipher_type_t aes_cbc;
+
+ /* zeroize entire state*/
+ octet_string_set_to_zero((uint8_t *)c,
+ sizeof(aes_cbc_ctx_t) + sizeof(cipher_t));
+
+ /* free memory */
+ crypto_free(c);
+
+ /* decrement ref_count */
+ aes_cbc.ref_count--;
+
+ return err_status_ok;
+}
+
+err_status_t
+aes_cbc_context_init(aes_cbc_ctx_t *c, const uint8_t *key,
+ cipher_direction_t dir) {
+ v128_t tmp_key;
+
+ /* set tmp_key (for alignment) */
+ v128_copy_octet_string(&tmp_key, key);
+
+ debug_print(mod_aes_cbc,
+ "key: %s", v128_hex_string(&tmp_key));
+
+ /* expand key for the appropriate direction */
+ switch (dir) {
+ case (direction_encrypt):
+ aes_expand_encryption_key(&tmp_key, c->expanded_key);
+ break;
+ case (direction_decrypt):
+ aes_expand_decryption_key(&tmp_key, c->expanded_key);
+ break;
+ default:
+ return err_status_bad_param;
+ }
+
+
+ return err_status_ok;
+}
+
+
+err_status_t
+aes_cbc_set_iv(aes_cbc_ctx_t *c, void *iv) {
+ int i;
+/* v128_t *input = iv; */
+ uint8_t *input = (uint8_t*) iv;
+
+ /* set state and 'previous' block to iv */
+ for (i=0; i < 16; i++)
+ c->previous.v8[i] = c->state.v8[i] = input[i];
+
+ debug_print(mod_aes_cbc, "setting iv: %s", v128_hex_string(&c->state));
+
+ return err_status_ok;
+}
+
+err_status_t
+aes_cbc_encrypt(aes_cbc_ctx_t *c,
+ unsigned char *data,
+ unsigned int *bytes_in_data) {
+ int i;
+ unsigned char *input = data; /* pointer to data being read */
+ unsigned char *output = data; /* pointer to data being written */
+ int bytes_to_encr = *bytes_in_data;
+
+ /*
+ * verify that we're 16-octet aligned
+ */
+ if (*bytes_in_data & 0xf)
+ return err_status_bad_param;
+
+ /*
+ * note that we assume that the initialization vector has already
+ * been set, e.g. by calling aes_cbc_set_iv()
+ */
+ debug_print(mod_aes_cbc, "iv: %s",
+ v128_hex_string(&c->state));
+
+ /*
+ * loop over plaintext blocks, exoring state into plaintext then
+ * encrypting and writing to output
+ */
+ while (bytes_to_encr > 0) {
+
+ /* exor plaintext into state */
+ for (i=0; i < 16; i++)
+ c->state.v8[i] ^= *input++;
+
+ debug_print(mod_aes_cbc, "inblock: %s",
+ v128_hex_string(&c->state));
+
+ aes_encrypt(&c->state, c->expanded_key);
+
+ debug_print(mod_aes_cbc, "outblock: %s",
+ v128_hex_string(&c->state));
+
+ /* copy ciphertext to output */
+ for (i=0; i < 16; i++)
+ *output++ = c->state.v8[i];
+
+ bytes_to_encr -= 16;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+aes_cbc_decrypt(aes_cbc_ctx_t *c,
+ unsigned char *data,
+ unsigned int *bytes_in_data) {
+ int i;
+ v128_t state, previous;
+ unsigned char *input = data; /* pointer to data being read */
+ unsigned char *output = data; /* pointer to data being written */
+ int bytes_to_encr = *bytes_in_data;
+ uint8_t tmp;
+
+ /*
+ * verify that we're 16-octet aligned
+ */
+ if (*bytes_in_data & 0x0f)
+ return err_status_bad_param;
+
+ /* set 'previous' block to iv*/
+ for (i=0; i < 16; i++) {
+ previous.v8[i] = c->previous.v8[i];
+ }
+
+ debug_print(mod_aes_cbc, "iv: %s",
+ v128_hex_string(&previous));
+
+ /*
+ * loop over ciphertext blocks, decrypting then exoring with state
+ * then writing plaintext to output
+ */
+ while (bytes_to_encr > 0) {
+
+ /* set state to ciphertext input block */
+ for (i=0; i < 16; i++) {
+ state.v8[i] = *input++;
+ }
+
+ debug_print(mod_aes_cbc, "inblock: %s",
+ v128_hex_string(&state));
+
+ /* decrypt state */
+ aes_decrypt(&state, c->expanded_key);
+
+ debug_print(mod_aes_cbc, "outblock: %s",
+ v128_hex_string(&state));
+
+ /*
+ * exor previous ciphertext block out of plaintext, and write new
+ * plaintext block to output, while copying old ciphertext block
+ * to the 'previous' block
+ */
+ for (i=0; i < 16; i++) {
+ tmp = *output;
+ *output++ = state.v8[i] ^ previous.v8[i];
+ previous.v8[i] = tmp;
+ }
+
+ bytes_to_encr -= 16;
+ }
+
+ return err_status_ok;
+}
+
+
+err_status_t
+aes_cbc_nist_encrypt(aes_cbc_ctx_t *c,
+ unsigned char *data,
+ unsigned int *bytes_in_data) {
+ int i;
+ unsigned char *pad_start;
+ int num_pad_bytes;
+ err_status_t status;
+
+ /*
+ * determine the number of padding bytes that we need to add -
+ * this value is always between 1 and 16, inclusive.
+ */
+ num_pad_bytes = 16 - (*bytes_in_data & 0xf);
+ pad_start = data;
+ pad_start += *bytes_in_data;
+ *pad_start++ = 0xa0;
+ for (i=0; i < num_pad_bytes; i++)
+ *pad_start++ = 0x00;
+
+ /*
+ * increment the data size
+ */
+ *bytes_in_data += num_pad_bytes;
+
+ /*
+ * now cbc encrypt the padded data
+ */
+ status = aes_cbc_encrypt(c, data, bytes_in_data);
+ if (status)
+ return status;
+
+ return err_status_ok;
+}
+
+
+err_status_t
+aes_cbc_nist_decrypt(aes_cbc_ctx_t *c,
+ unsigned char *data,
+ unsigned int *bytes_in_data) {
+ unsigned char *pad_end;
+ int num_pad_bytes;
+ err_status_t status;
+
+ /*
+ * cbc decrypt the padded data
+ */
+ status = aes_cbc_decrypt(c, data, bytes_in_data);
+ if (status)
+ return status;
+
+ /*
+ * determine the number of padding bytes in the decrypted plaintext
+ * - this value is always between 1 and 16, inclusive.
+ */
+ num_pad_bytes = 1;
+ pad_end = data + (*bytes_in_data - 1);
+ while (*pad_end != 0xa0) { /* note: should check padding correctness */
+ pad_end--;
+ num_pad_bytes++;
+ }
+
+ /* decrement data size */
+ *bytes_in_data -= num_pad_bytes;
+
+ return err_status_ok;
+}
+
+
+char
+aes_cbc_description[] = "aes cipher block chaining (cbc) mode";
+
+/*
+ * Test case 0 is derived from FIPS 197 Appendix A; it uses an
+ * all-zero IV, so that the first block encryption matches the test
+ * case in that appendix. This property provides a check of the base
+ * AES encryption and decryption algorithms; if CBC fails on some
+ * particular platform, then you should print out AES intermediate
+ * data and compare with the detailed info provided in that appendix.
+ *
+ */
+
+
+uint8_t aes_cbc_test_case_0_key[16] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
+};
+
+uint8_t aes_cbc_test_case_0_plaintext[64] = {
+ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+ 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff
+};
+
+uint8_t aes_cbc_test_case_0_ciphertext[80] = {
+ 0x69, 0xc4, 0xe0, 0xd8, 0x6a, 0x7b, 0x04, 0x30,
+ 0xd8, 0xcd, 0xb7, 0x80, 0x70, 0xb4, 0xc5, 0x5a,
+ 0x03, 0x35, 0xed, 0x27, 0x67, 0xf2, 0x6d, 0xf1,
+ 0x64, 0x83, 0x2e, 0x23, 0x44, 0x38, 0x70, 0x8b
+
+};
+
+uint8_t aes_cbc_test_case_0_iv[16] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+
+cipher_test_case_t aes_cbc_test_case_0 = {
+ 16, /* octets in key */
+ aes_cbc_test_case_0_key, /* key */
+ aes_cbc_test_case_0_iv, /* initialization vector */
+ 16, /* octets in plaintext */
+ aes_cbc_test_case_0_plaintext, /* plaintext */
+ 32, /* octets in ciphertext */
+ aes_cbc_test_case_0_ciphertext, /* ciphertext */
+ NULL /* pointer to next testcase */
+};
+
+
+/*
+ * this test case is taken directly from Appendix F.2 of NIST Special
+ * Publication SP 800-38A
+ */
+
+uint8_t aes_cbc_test_case_1_key[16] = {
+ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
+ 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,
+};
+
+uint8_t aes_cbc_test_case_1_plaintext[64] = {
+ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
+ 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
+ 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
+ 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
+ 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
+ 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
+ 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
+ 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10
+};
+
+uint8_t aes_cbc_test_case_1_ciphertext[80] = {
+ 0x76, 0x49, 0xab, 0xac, 0x81, 0x19, 0xb2, 0x46,
+ 0xce, 0xe9, 0x8e, 0x9b, 0x12, 0xe9, 0x19, 0x7d,
+ 0x50, 0x86, 0xcb, 0x9b, 0x50, 0x72, 0x19, 0xee,
+ 0x95, 0xdb, 0x11, 0x3a, 0x91, 0x76, 0x78, 0xb2,
+ 0x73, 0xbe, 0xd6, 0xb8, 0xe3, 0xc1, 0x74, 0x3b,
+ 0x71, 0x16, 0xe6, 0x9e, 0x22, 0x22, 0x95, 0x16,
+ 0x3f, 0xf1, 0xca, 0xa1, 0x68, 0x1f, 0xac, 0x09,
+ 0x12, 0x0e, 0xca, 0x30, 0x75, 0x86, 0xe1, 0xa7,
+ 0x39, 0x34, 0x07, 0x03, 0x36, 0xd0, 0x77, 0x99,
+ 0xe0, 0xc4, 0x2f, 0xdd, 0xa8, 0xdf, 0x4c, 0xa3
+};
+
+uint8_t aes_cbc_test_case_1_iv[16] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
+};
+
+cipher_test_case_t aes_cbc_test_case_1 = {
+ 16, /* octets in key */
+ aes_cbc_test_case_1_key, /* key */
+ aes_cbc_test_case_1_iv, /* initialization vector */
+ 64, /* octets in plaintext */
+ aes_cbc_test_case_1_plaintext, /* plaintext */
+ 80, /* octets in ciphertext */
+ aes_cbc_test_case_1_ciphertext, /* ciphertext */
+ &aes_cbc_test_case_0 /* pointer to next testcase */
+};
+
+cipher_type_t aes_cbc = {
+ (cipher_alloc_func_t) aes_cbc_alloc,
+ (cipher_dealloc_func_t) aes_cbc_dealloc,
+ (cipher_init_func_t) aes_cbc_context_init,
+ (cipher_encrypt_func_t) aes_cbc_nist_encrypt,
+ (cipher_decrypt_func_t) aes_cbc_nist_decrypt,
+ (cipher_set_iv_func_t) aes_cbc_set_iv,
+ (char *) aes_cbc_description,
+ (int) 0, /* instance count */
+ (cipher_test_case_t *) &aes_cbc_test_case_0,
+ (debug_module_t *) &mod_aes_cbc
+};
+
+
diff --git a/crypto/cipher/aes_icm.c b/crypto/cipher/aes_icm.c
new file mode 100644
index 0000000..5a38dee
--- /dev/null
+++ b/crypto/cipher/aes_icm.c
@@ -0,0 +1,512 @@
+/*
+ * aes_icm.c
+ *
+ * AES Integer Counter Mode
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#define ALIGN_32 0
+
+#include "aes_icm.h"
+#include "alloc.h"
+
+
+debug_module_t mod_aes_icm = {
+ 0, /* debugging is off by default */
+ "aes icm" /* printable module name */
+};
+
+/*
+ * integer counter mode works as follows:
+ *
+ * 16 bits
+ * <----->
+ * +------+------+------+------+------+------+------+------+
+ * | nonce | pakcet index | ctr |---+
+ * +------+------+------+------+------+------+------+------+ |
+ * |
+ * +------+------+------+------+------+------+------+------+ v
+ * | salt |000000|->(+)
+ * +------+------+------+------+------+------+------+------+ |
+ * |
+ * +---------+
+ * | encrypt |
+ * +---------+
+ * |
+ * +------+------+------+------+------+------+------+------+ |
+ * | keystream block |<--+
+ * +------+------+------+------+------+------+------+------+
+ *
+ * All fields are big-endian
+ *
+ * ctr is the block counter, which increments from zero for
+ * each packet (16 bits wide)
+ *
+ * packet index is distinct for each packet (48 bits wide)
+ *
+ * nonce can be distinct across many uses of the same key, or
+ * can be a fixed value per key, or can be per-packet randomness
+ * (64 bits)
+ *
+ */
+
+err_status_t
+aes_icm_alloc_ismacryp(cipher_t **c, int key_len, int forIsmacryp) {
+ extern cipher_type_t aes_icm;
+ uint8_t *pointer;
+ int tmp;
+
+ debug_print(mod_aes_icm,
+ "allocating cipher with key length %d", key_len);
+
+ /*
+ * Ismacryp, for example, uses 16 byte key + 8 byte
+ * salt so this function is called with key_len = 24.
+ * The check for key_len = 30 does not apply. Our usage
+ * of aes functions with key_len = values other than 30
+ * has not broken anything. Don't know what would be the
+ * effect of skipping this check for srtp in general.
+ */
+ if (!forIsmacryp && key_len != 30)
+ return err_status_bad_param;
+
+ /* allocate memory a cipher of type aes_icm */
+ tmp = (sizeof(aes_icm_ctx_t) + sizeof(cipher_t));
+ pointer = (uint8_t*)crypto_alloc(tmp);
+ if (pointer == NULL)
+ return err_status_alloc_fail;
+
+ /* set pointers */
+ *c = (cipher_t *)pointer;
+ (*c)->type = &aes_icm;
+ (*c)->state = pointer + sizeof(cipher_t);
+
+ /* increment ref_count */
+ aes_icm.ref_count++;
+
+ /* set key size */
+ (*c)->key_len = key_len;
+
+ return err_status_ok;
+}
+
+err_status_t aes_icm_alloc(cipher_t **c, int key_len, int forIsmacryp) {
+ return aes_icm_alloc_ismacryp(c, key_len, 0);
+}
+
+err_status_t
+aes_icm_dealloc(cipher_t *c) {
+ extern cipher_type_t aes_icm;
+
+ /* zeroize entire state*/
+ octet_string_set_to_zero((uint8_t *)c,
+ sizeof(aes_icm_ctx_t) + sizeof(cipher_t));
+
+ /* free memory */
+ crypto_free(c);
+
+ /* decrement ref_count */
+ aes_icm.ref_count--;
+
+ return err_status_ok;
+}
+
+
+/*
+ * aes_icm_context_init(...) initializes the aes_icm_context
+ * using the value in key[].
+ *
+ * the key is the secret key
+ *
+ * the salt is unpredictable (but not necessarily secret) data which
+ * randomizes the starting point in the keystream
+ */
+
+err_status_t
+aes_icm_context_init(aes_icm_ctx_t *c, const uint8_t *key) {
+ v128_t tmp_key;
+ int i;
+
+ /* set counter and initial values to 'offset' value */
+ /* FIX!!! this assumes the salt is at key + 16, and thus that the */
+ /* FIX!!! cipher key length is 16! */
+ for (i = 0; i < 14; i++) {
+ c->counter.v8[i] = key[16 + i];
+ c->offset.v8[i] = key[16 + i];
+ }
+
+ /* force last two octets of the offset to zero (for srtp compatibility) */
+ c->offset.v8[14] = c->offset.v8[15] = 0;
+ c->counter.v8[14] = c->counter.v8[15] = 0;
+
+ /* set tmp_key (for alignment) */
+ v128_copy_octet_string(&tmp_key, key);
+
+ debug_print(mod_aes_icm,
+ "key: %s", v128_hex_string(&tmp_key));
+ debug_print(mod_aes_icm,
+ "offset: %s", v128_hex_string(&c->offset));
+
+ /* expand key */
+ aes_expand_encryption_key(&tmp_key, c->expanded_key);
+
+ /* indicate that the keystream_buffer is empty */
+ c->bytes_in_buffer = 0;
+
+ return err_status_ok;
+}
+
+/*
+ * aes_icm_set_octet(c, i) sets the counter of the context which it is
+ * passed so that the next octet of keystream that will be generated
+ * is the ith octet
+ */
+
+err_status_t
+aes_icm_set_octet(aes_icm_ctx_t *c,
+ uint64_t octet_num) {
+
+#ifdef NO_64BIT_MATH
+ int tail_num = low32(octet_num) & 0x0f;
+ /* 64-bit right-shift 4 */
+ uint64_t block_num = make64(high32(octet_num) >> 4,
+ ((high32(octet_num) & 0x0f)<<(32-4)) |
+ (low32(octet_num) >> 4));
+#else
+ int tail_num = (int)(octet_num % 16);
+ uint64_t block_num = octet_num / 16;
+#endif
+
+
+ /* set counter value */
+ /* FIX - There's no way this is correct */
+ c->counter.v64[0] = c->offset.v64[0];
+#ifdef NO_64BIT_MATH
+ c->counter.v64[0] = make64(high32(c->offset.v64[0]) ^ high32(block_num),
+ low32(c->offset.v64[0]) ^ low32(block_num));
+#else
+ c->counter.v64[0] = c->offset.v64[0] ^ block_num;
+#endif
+
+ debug_print(mod_aes_icm,
+ "set_octet: %s", v128_hex_string(&c->counter));
+
+ /* fill keystream buffer, if needed */
+ if (tail_num) {
+ v128_copy(&c->keystream_buffer, &c->counter);
+ aes_encrypt(&c->keystream_buffer, c->expanded_key);
+ c->bytes_in_buffer = sizeof(v128_t);
+
+ debug_print(mod_aes_icm, "counter: %s",
+ v128_hex_string(&c->counter));
+ debug_print(mod_aes_icm, "ciphertext: %s",
+ v128_hex_string(&c->keystream_buffer));
+
+ /* indicate number of bytes in keystream_buffer */
+ c->bytes_in_buffer = sizeof(v128_t) - tail_num;
+
+ } else {
+
+ /* indicate that keystream_buffer is empty */
+ c->bytes_in_buffer = 0;
+ }
+
+ return err_status_ok;
+}
+
+/*
+ * aes_icm_set_iv(c, iv) sets the counter value to the exor of iv with
+ * the offset
+ */
+
+err_status_t
+aes_icm_set_iv(aes_icm_ctx_t *c, void *iv) {
+ v128_t *nonce = (v128_t *) iv;
+
+ debug_print(mod_aes_icm,
+ "setting iv: %s", v128_hex_string(nonce));
+
+ v128_xor(&c->counter, &c->offset, nonce);
+
+ debug_print(mod_aes_icm,
+ "set_counter: %s", v128_hex_string(&c->counter));
+
+ /* indicate that the keystream_buffer is empty */
+ c->bytes_in_buffer = 0;
+
+ return err_status_ok;
+}
+
+
+
+/*
+ * aes_icm_advance(...) refills the keystream_buffer and
+ * advances the block index of the sicm_context forward by one
+ *
+ * this is an internal, hopefully inlined function
+ */
+
+static inline void
+aes_icm_advance_ismacryp(aes_icm_ctx_t *c, uint8_t forIsmacryp) {
+ /* fill buffer with new keystream */
+ v128_copy(&c->keystream_buffer, &c->counter);
+ aes_encrypt(&c->keystream_buffer, c->expanded_key);
+ c->bytes_in_buffer = sizeof(v128_t);
+
+ debug_print(mod_aes_icm, "counter: %s",
+ v128_hex_string(&c->counter));
+ debug_print(mod_aes_icm, "ciphertext: %s",
+ v128_hex_string(&c->keystream_buffer));
+
+ /* clock counter forward */
+
+ if (forIsmacryp) {
+ uint32_t temp;
+ //alex's clock counter forward
+ temp = ntohl(c->counter.v32[3]);
+ c->counter.v32[3] = htonl(++temp);
+ } else {
+ if (!++(c->counter.v8[15]))
+ ++(c->counter.v8[14]);
+ }
+}
+
+inline void aes_icm_advance(aes_icm_ctx_t *c) {
+ aes_icm_advance_ismacryp(c, 0);
+}
+
+
+/*e
+ * icm_encrypt deals with the following cases:
+ *
+ * bytes_to_encr < bytes_in_buffer
+ * - add keystream into data
+ *
+ * bytes_to_encr > bytes_in_buffer
+ * - add keystream into data until keystream_buffer is depleted
+ * - loop over blocks, filling keystream_buffer and then
+ * adding keystream into data
+ * - fill buffer then add in remaining (< 16) bytes of keystream
+ */
+
+err_status_t
+aes_icm_encrypt_ismacryp(aes_icm_ctx_t *c,
+ unsigned char *buf, unsigned int *enc_len,
+ int forIsmacryp) {
+ unsigned int bytes_to_encr = *enc_len;
+ unsigned int i;
+ uint32_t *b;
+
+ /* check that there's enough segment left but not for ismacryp*/
+ if (!forIsmacryp && (bytes_to_encr + htons(c->counter.v16[7])) > 0xffff)
+ return err_status_terminus;
+
+ debug_print(mod_aes_icm, "block index: %d",
+ htons(c->counter.v16[7]));
+ if (bytes_to_encr <= (unsigned int)c->bytes_in_buffer) {
+
+ /* deal with odd case of small bytes_to_encr */
+ for (i = (sizeof(v128_t) - c->bytes_in_buffer);
+ i < (sizeof(v128_t) - c->bytes_in_buffer + bytes_to_encr); i++)
+ {
+ *buf++ ^= c->keystream_buffer.v8[i];
+ }
+
+ c->bytes_in_buffer -= bytes_to_encr;
+
+ /* return now to avoid the main loop */
+ return err_status_ok;
+
+ } else {
+
+ /* encrypt bytes until the remaining data is 16-byte aligned */
+ for (i=(sizeof(v128_t) - c->bytes_in_buffer); i < sizeof(v128_t); i++)
+ *buf++ ^= c->keystream_buffer.v8[i];
+
+ bytes_to_encr -= c->bytes_in_buffer;
+ c->bytes_in_buffer = 0;
+
+ }
+
+ /* now loop over entire 16-byte blocks of keystream */
+ for (i=0; i < (bytes_to_encr/sizeof(v128_t)); i++) {
+
+ /* fill buffer with new keystream */
+ aes_icm_advance_ismacryp(c, forIsmacryp);
+
+ /*
+ * add keystream into the data buffer (this would be a lot faster
+ * if we could assume 32-bit alignment!)
+ */
+
+#if ALIGN_32
+ b = (uint32_t *)buf;
+ *b++ ^= c->keystream_buffer.v32[0];
+ *b++ ^= c->keystream_buffer.v32[1];
+ *b++ ^= c->keystream_buffer.v32[2];
+ *b++ ^= c->keystream_buffer.v32[3];
+ buf = (uint8_t *)b;
+#else
+ if ((((unsigned long) buf) & 0x03) != 0) {
+ *buf++ ^= c->keystream_buffer.v8[0];
+ *buf++ ^= c->keystream_buffer.v8[1];
+ *buf++ ^= c->keystream_buffer.v8[2];
+ *buf++ ^= c->keystream_buffer.v8[3];
+ *buf++ ^= c->keystream_buffer.v8[4];
+ *buf++ ^= c->keystream_buffer.v8[5];
+ *buf++ ^= c->keystream_buffer.v8[6];
+ *buf++ ^= c->keystream_buffer.v8[7];
+ *buf++ ^= c->keystream_buffer.v8[8];
+ *buf++ ^= c->keystream_buffer.v8[9];
+ *buf++ ^= c->keystream_buffer.v8[10];
+ *buf++ ^= c->keystream_buffer.v8[11];
+ *buf++ ^= c->keystream_buffer.v8[12];
+ *buf++ ^= c->keystream_buffer.v8[13];
+ *buf++ ^= c->keystream_buffer.v8[14];
+ *buf++ ^= c->keystream_buffer.v8[15];
+ } else {
+ b = (uint32_t *)buf;
+ *b++ ^= c->keystream_buffer.v32[0];
+ *b++ ^= c->keystream_buffer.v32[1];
+ *b++ ^= c->keystream_buffer.v32[2];
+ *b++ ^= c->keystream_buffer.v32[3];
+ buf = (uint8_t *)b;
+ }
+#endif /* #if ALIGN_32 */
+
+ }
+
+ /* if there is a tail end of the data, process it */
+ if ((bytes_to_encr & 0xf) != 0) {
+
+ /* fill buffer with new keystream */
+ aes_icm_advance_ismacryp(c, forIsmacryp);
+
+ for (i=0; i < (bytes_to_encr & 0xf); i++)
+ *buf++ ^= c->keystream_buffer.v8[i];
+
+ /* reset the keystream buffer size to right value */
+ c->bytes_in_buffer = sizeof(v128_t) - i;
+ } else {
+
+ /* no tail, so just reset the keystream buffer size to zero */
+ c->bytes_in_buffer = 0;
+
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+aes_icm_encrypt(aes_icm_ctx_t *c, unsigned char *buf, unsigned int *enc_len) {
+ return aes_icm_encrypt_ismacryp(c, buf, enc_len, 0);
+}
+
+err_status_t
+aes_icm_output(aes_icm_ctx_t *c, uint8_t *buffer, int num_octets_to_output) {
+ unsigned int len = num_octets_to_output;
+
+ /* zeroize the buffer */
+ octet_string_set_to_zero(buffer, num_octets_to_output);
+
+ /* exor keystream into buffer */
+ return aes_icm_encrypt(c, buffer, &len);
+}
+
+
+char
+aes_icm_description[] = "aes integer counter mode";
+
+uint8_t aes_icm_test_case_0_key[30] = {
+ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
+ 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c,
+ 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
+ 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd
+};
+
+uint8_t aes_icm_test_case_0_nonce[16] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+uint8_t aes_icm_test_case_0_plaintext[32] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+uint8_t aes_icm_test_case_0_ciphertext[32] = {
+ 0xe0, 0x3e, 0xad, 0x09, 0x35, 0xc9, 0x5e, 0x80,
+ 0xe1, 0x66, 0xb1, 0x6d, 0xd9, 0x2b, 0x4e, 0xb4,
+ 0xd2, 0x35, 0x13, 0x16, 0x2b, 0x02, 0xd0, 0xf7,
+ 0x2a, 0x43, 0xa2, 0xfe, 0x4a, 0x5f, 0x97, 0xab
+};
+
+cipher_test_case_t aes_icm_test_case_0 = {
+ 30, /* octets in key */
+ aes_icm_test_case_0_key, /* key */
+ aes_icm_test_case_0_nonce, /* packet index */
+ 32, /* octets in plaintext */
+ aes_icm_test_case_0_plaintext, /* plaintext */
+ 32, /* octets in ciphertext */
+ aes_icm_test_case_0_ciphertext, /* ciphertext */
+ NULL /* pointer to next testcase */
+};
+
+
+/*
+ * note: the encrypt function is identical to the decrypt function
+ */
+
+cipher_type_t aes_icm = {
+ (cipher_alloc_func_t) aes_icm_alloc,
+ (cipher_dealloc_func_t) aes_icm_dealloc,
+ (cipher_init_func_t) aes_icm_context_init,
+ (cipher_encrypt_func_t) aes_icm_encrypt,
+ (cipher_decrypt_func_t) aes_icm_encrypt,
+ (cipher_set_iv_func_t) aes_icm_set_iv,
+ (char *) aes_icm_description,
+ (int) 0, /* instance count */
+ (cipher_test_case_t *) &aes_icm_test_case_0,
+ (debug_module_t *) &mod_aes_icm
+};
diff --git a/crypto/cipher/cipher.c b/crypto/cipher/cipher.c
new file mode 100644
index 0000000..573c5e2
--- /dev/null
+++ b/crypto/cipher/cipher.c
@@ -0,0 +1,407 @@
+/*
+ * cipher.c
+ *
+ * cipher meta-functions
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "cipher.h"
+#include "rand_source.h" /* used in invertibiltiy tests */
+#include "alloc.h" /* for crypto_alloc(), crypto_free() */
+
+debug_module_t mod_cipher = {
+ 0, /* debugging is off by default */
+ "cipher" /* printable module name */
+};
+
+err_status_t
+cipher_output(cipher_t *c, uint8_t *buffer, int num_octets_to_output) {
+
+ /* zeroize the buffer */
+ octet_string_set_to_zero(buffer, num_octets_to_output);
+
+ /* exor keystream into buffer */
+ return cipher_encrypt(c, buffer, (unsigned int *) &num_octets_to_output);
+}
+
+/* some bookkeeping functions */
+
+int
+cipher_get_key_length(const cipher_t *c) {
+ return c->key_len;
+}
+
+/*
+ * cipher_type_self_test(ct) tests a cipher of type ct against test cases
+ * provided in an array of values of key, salt, xtd_seq_num_t,
+ * plaintext, and ciphertext that is known to be good
+ */
+
+#define SELF_TEST_BUF_OCTETS 128
+#define NUM_RAND_TESTS 128
+#define MAX_KEY_LEN 64
+
+err_status_t
+cipher_type_self_test(const cipher_type_t *ct) {
+ const cipher_test_case_t *test_case = ct->test_data;
+ cipher_t *c;
+ err_status_t status;
+ uint8_t buffer[SELF_TEST_BUF_OCTETS];
+ uint8_t buffer2[SELF_TEST_BUF_OCTETS];
+ unsigned int len;
+ int i, j, case_num = 0;
+
+ debug_print(mod_cipher, "running self-test for cipher %s",
+ ct->description);
+
+ /*
+ * check to make sure that we have at least one test case, and
+ * return an error if we don't - we need to be paranoid here
+ */
+ if (test_case == NULL)
+ return err_status_cant_check;
+
+ /*
+ * loop over all test cases, perform known-answer tests of both the
+ * encryption and decryption functions
+ */
+ while (test_case != NULL) {
+
+ /* allocate cipher */
+ status = cipher_type_alloc(ct, &c, test_case->key_length_octets);
+ if (status)
+ return status;
+
+ /*
+ * test the encrypt function
+ */
+ debug_print(mod_cipher, "testing encryption", NULL);
+
+ /* initialize cipher */
+ status = cipher_init(c, test_case->key, direction_encrypt);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+
+ /* copy plaintext into test buffer */
+ if (test_case->ciphertext_length_octets > SELF_TEST_BUF_OCTETS) {
+ cipher_dealloc(c);
+ return err_status_bad_param;
+ }
+ for (i=0; i < test_case->plaintext_length_octets; i++)
+ buffer[i] = test_case->plaintext[i];
+
+ debug_print(mod_cipher, "plaintext: %s",
+ octet_string_hex_string(buffer,
+ test_case->plaintext_length_octets));
+
+ /* set the initialization vector */
+ status = cipher_set_iv(c, test_case->idx);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+
+ /* encrypt */
+ len = test_case->plaintext_length_octets;
+ status = cipher_encrypt(c, buffer, &len);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+
+ debug_print(mod_cipher, "ciphertext: %s",
+ octet_string_hex_string(buffer,
+ test_case->ciphertext_length_octets));
+
+ /* compare the resulting ciphertext with that in the test case */
+ if (len != test_case->ciphertext_length_octets)
+ return err_status_algo_fail;
+ status = err_status_ok;
+ for (i=0; i < test_case->ciphertext_length_octets; i++)
+ if (buffer[i] != test_case->ciphertext[i]) {
+ status = err_status_algo_fail;
+ debug_print(mod_cipher, "test case %d failed", case_num);
+ debug_print(mod_cipher, "(failure at byte %d)", i);
+ break;
+ }
+ if (status) {
+
+ debug_print(mod_cipher, "c computed: %s",
+ octet_string_hex_string(buffer,
+ 2*test_case->plaintext_length_octets));
+ debug_print(mod_cipher, "c expected: %s",
+ octet_string_hex_string(test_case->ciphertext,
+ 2*test_case->plaintext_length_octets));
+
+ cipher_dealloc(c);
+ return err_status_algo_fail;
+ }
+
+ /*
+ * test the decrypt function
+ */
+ debug_print(mod_cipher, "testing decryption", NULL);
+
+ /* re-initialize cipher for decryption */
+ status = cipher_init(c, test_case->key, direction_decrypt);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+
+ /* copy ciphertext into test buffer */
+ if (test_case->ciphertext_length_octets > SELF_TEST_BUF_OCTETS) {
+ cipher_dealloc(c);
+ return err_status_bad_param;
+ }
+ for (i=0; i < test_case->ciphertext_length_octets; i++)
+ buffer[i] = test_case->ciphertext[i];
+
+ debug_print(mod_cipher, "ciphertext: %s",
+ octet_string_hex_string(buffer,
+ test_case->plaintext_length_octets));
+
+ /* set the initialization vector */
+ status = cipher_set_iv(c, test_case->idx);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+
+ /* decrypt */
+ len = test_case->ciphertext_length_octets;
+ status = cipher_decrypt(c, buffer, &len);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+
+ debug_print(mod_cipher, "plaintext: %s",
+ octet_string_hex_string(buffer,
+ test_case->plaintext_length_octets));
+
+ /* compare the resulting plaintext with that in the test case */
+ if (len != test_case->plaintext_length_octets)
+ return err_status_algo_fail;
+ status = err_status_ok;
+ for (i=0; i < test_case->plaintext_length_octets; i++)
+ if (buffer[i] != test_case->plaintext[i]) {
+ status = err_status_algo_fail;
+ debug_print(mod_cipher, "test case %d failed", case_num);
+ debug_print(mod_cipher, "(failure at byte %d)", i);
+ }
+ if (status) {
+
+ debug_print(mod_cipher, "p computed: %s",
+ octet_string_hex_string(buffer,
+ 2*test_case->plaintext_length_octets));
+ debug_print(mod_cipher, "p expected: %s",
+ octet_string_hex_string(test_case->plaintext,
+ 2*test_case->plaintext_length_octets));
+
+ cipher_dealloc(c);
+ return err_status_algo_fail;
+ }
+
+ /* deallocate the cipher */
+ status = cipher_dealloc(c);
+ if (status)
+ return status;
+
+ /*
+ * the cipher passed the test case, so move on to the next test
+ * case in the list; if NULL, we'l proceed to the next test
+ */
+ test_case = test_case->next_test_case;
+ ++case_num;
+ }
+
+ /* now run some random invertibility tests */
+
+ /* allocate cipher, using paramaters from the first test case */
+ test_case = ct->test_data;
+ status = cipher_type_alloc(ct, &c, test_case->key_length_octets);
+ if (status)
+ return status;
+
+ rand_source_init();
+
+ for (j=0; j < NUM_RAND_TESTS; j++) {
+ unsigned length;
+ int plaintext_len;
+ uint8_t key[MAX_KEY_LEN];
+ uint8_t iv[MAX_KEY_LEN];
+
+ /* choose a length at random (leaving room for IV and padding) */
+ length = rand() % (SELF_TEST_BUF_OCTETS - 64);
+ debug_print(mod_cipher, "random plaintext length %d\n", length);
+ status = rand_source_get_octet_string(buffer, length);
+ if (status) return status;
+
+ debug_print(mod_cipher, "plaintext: %s",
+ octet_string_hex_string(buffer, length));
+
+ /* copy plaintext into second buffer */
+ for (i=0; (unsigned int)i < length; i++)
+ buffer2[i] = buffer[i];
+
+ /* choose a key at random */
+ if (test_case->key_length_octets > MAX_KEY_LEN)
+ return err_status_cant_check;
+ status = rand_source_get_octet_string(key, test_case->key_length_octets);
+ if (status) return status;
+
+ /* chose a random initialization vector */
+ status = rand_source_get_octet_string(iv, MAX_KEY_LEN);
+ if (status) return status;
+
+ /* initialize cipher */
+ status = cipher_init(c, key, direction_encrypt);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+
+ /* set initialization vector */
+ status = cipher_set_iv(c, test_case->idx);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+
+ /* encrypt buffer with cipher */
+ plaintext_len = length;
+ status = cipher_encrypt(c, buffer, &length);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+ debug_print(mod_cipher, "ciphertext: %s",
+ octet_string_hex_string(buffer, length));
+
+ /*
+ * re-initialize cipher for decryption, re-set the iv, then
+ * decrypt the ciphertext
+ */
+ status = cipher_init(c, key, direction_decrypt);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+ status = cipher_set_iv(c, test_case->idx);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+ status = cipher_decrypt(c, buffer, &length);
+ if (status) {
+ cipher_dealloc(c);
+ return status;
+ }
+
+ debug_print(mod_cipher, "plaintext[2]: %s",
+ octet_string_hex_string(buffer, length));
+
+ /* compare the resulting plaintext with the original one */
+ if (length != plaintext_len)
+ return err_status_algo_fail;
+ status = err_status_ok;
+ for (i=0; i < plaintext_len; i++)
+ if (buffer[i] != buffer2[i]) {
+ status = err_status_algo_fail;
+ debug_print(mod_cipher, "random test case %d failed", case_num);
+ debug_print(mod_cipher, "(failure at byte %d)", i);
+ }
+ if (status) {
+ cipher_dealloc(c);
+ return err_status_algo_fail;
+ }
+
+ }
+
+ return err_status_ok;
+}
+
+
+/*
+ * cipher_bits_per_second(c, l, t) computes (an estimate of) the
+ * number of bits that a cipher implementation can encrypt in a second
+ *
+ * c is a cipher (which MUST be allocated and initialized already), l
+ * is the length in octets of the test data to be encrypted, and t is
+ * the number of trials
+ *
+ * if an error is encountered, the value 0 is returned
+ */
+
+uint64_t
+cipher_bits_per_second(cipher_t *c, int octets_in_buffer, int num_trials) {
+ int i;
+ v128_t nonce;
+ clock_t timer;
+ unsigned char *enc_buf;
+ unsigned int len = octets_in_buffer;
+
+ enc_buf = (unsigned char*) crypto_alloc(octets_in_buffer);
+ if (enc_buf == NULL)
+ return 0; /* indicate bad parameters by returning null */
+
+ /* time repeated trials */
+ v128_set_to_zero(&nonce);
+ timer = clock();
+ for(i=0; i < num_trials; i++, nonce.v32[3] = i) {
+ cipher_set_iv(c, &nonce);
+ cipher_encrypt(c, enc_buf, &len);
+ }
+ timer = clock() - timer;
+
+ crypto_free(enc_buf);
+
+ if (timer == 0) {
+ /* Too fast! */
+ return 0;
+ }
+
+ return (uint64_t)CLOCKS_PER_SEC * num_trials * 8 * octets_in_buffer / timer;
+}
diff --git a/crypto/cipher/null_cipher.c b/crypto/cipher/null_cipher.c
new file mode 100644
index 0000000..721f50c
--- /dev/null
+++ b/crypto/cipher/null_cipher.c
@@ -0,0 +1,152 @@
+/*
+ * null_cipher.c
+ *
+ * A null cipher implementation. This cipher leaves the plaintext
+ * unchanged.
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "datatypes.h"
+#include "null_cipher.h"
+#include "alloc.h"
+
+/* the null_cipher uses the cipher debug module */
+
+extern debug_module_t mod_cipher;
+
+err_status_t
+null_cipher_alloc(cipher_t **c, int key_len) {
+ extern cipher_type_t null_cipher;
+ uint8_t *pointer;
+
+ debug_print(mod_cipher,
+ "allocating cipher with key length %d", key_len);
+
+ /* allocate memory a cipher of type null_cipher */
+ pointer = (uint8_t*)crypto_alloc(sizeof(null_cipher_ctx_t) + sizeof(cipher_t));
+ if (pointer == NULL)
+ return err_status_alloc_fail;
+
+ /* set pointers */
+ *c = (cipher_t *)pointer;
+ (*c)->type = &null_cipher;
+ (*c)->state = pointer + sizeof(cipher_t);
+
+ /* set key size */
+ (*c)->key_len = key_len;
+
+ /* increment ref_count */
+ null_cipher.ref_count++;
+
+ return err_status_ok;
+
+}
+
+err_status_t
+null_cipher_dealloc(cipher_t *c) {
+ extern cipher_type_t null_cipher;
+
+ /* zeroize entire state*/
+ octet_string_set_to_zero((uint8_t *)c,
+ sizeof(null_cipher_ctx_t) + sizeof(cipher_t));
+
+ /* free memory of type null_cipher */
+ crypto_free(c);
+
+ /* decrement reference count */
+ null_cipher.ref_count--;
+
+ return err_status_ok;
+
+}
+
+err_status_t
+null_cipher_init(null_cipher_ctx_t *ctx, const uint8_t *key) {
+
+ debug_print(mod_cipher, "initializing null cipher", NULL);
+
+ return err_status_ok;
+}
+
+err_status_t
+null_cipher_set_iv(null_cipher_ctx_t *c, void *iv) {
+ return err_status_ok;
+}
+
+err_status_t
+null_cipher_encrypt(null_cipher_ctx_t *c,
+ unsigned char *buf, unsigned int *bytes_to_encr) {
+ return err_status_ok;
+}
+
+char
+null_cipher_description[] = "null cipher";
+
+cipher_test_case_t
+null_cipher_test_0 = {
+ 0, /* octets in key */
+ NULL, /* key */
+ 0, /* packet index */
+ 0, /* octets in plaintext */
+ NULL, /* plaintext */
+ 0, /* octets in plaintext */
+ NULL, /* ciphertext */
+ NULL /* pointer to next testcase */
+};
+
+
+/*
+ * note: the decrypt function is idential to the encrypt function
+ */
+
+cipher_type_t null_cipher = {
+ (cipher_alloc_func_t) null_cipher_alloc,
+ (cipher_dealloc_func_t) null_cipher_dealloc,
+ (cipher_init_func_t) null_cipher_init,
+ (cipher_encrypt_func_t) null_cipher_encrypt,
+ (cipher_decrypt_func_t) null_cipher_encrypt,
+ (cipher_set_iv_func_t) null_cipher_set_iv,
+ (char *) null_cipher_description,
+ (int) 0,
+ (cipher_test_case_t *) &null_cipher_test_0,
+ (debug_module_t *) NULL
+};
+
diff --git a/crypto/hash/auth.c b/crypto/hash/auth.c
new file mode 100644
index 0000000..8eb722d
--- /dev/null
+++ b/crypto/hash/auth.c
@@ -0,0 +1,173 @@
+/*
+ * auth.c
+ *
+ * some bookkeeping functions for authentication functions
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "auth.h"
+
+/* the debug module for authentiation */
+
+debug_module_t mod_auth = {
+ 0, /* debugging is off by default */
+ "auth func" /* printable name for module */
+};
+
+
+int
+auth_get_key_length(const auth_t *a) {
+ return a->key_len;
+}
+
+int
+auth_get_tag_length(const auth_t *a) {
+ return a->out_len;
+}
+
+int
+auth_get_prefix_length(const auth_t *a) {
+ return a->prefix_len;
+}
+
+int
+auth_type_get_ref_count(const auth_type_t *at) {
+ return at->ref_count;
+}
+
+/*
+ * auth_type_self_test() tests an auth function of type ct against
+ * test cases provided in an array of values of key, data, and tag
+ * that is known to be good
+ */
+
+/* should be big enough for most occasions */
+#define SELF_TEST_TAG_BUF_OCTETS 32
+
+err_status_t
+auth_type_self_test(const auth_type_t *at) {
+ auth_test_case_t *test_case = at->test_data;
+ auth_t *a;
+ err_status_t status;
+ uint8_t tag[SELF_TEST_TAG_BUF_OCTETS];
+ int i, case_num = 0;
+
+ debug_print(mod_auth, "running self-test for auth function %s",
+ at->description);
+
+ /*
+ * check to make sure that we have at least one test case, and
+ * return an error if we don't - we need to be paranoid here
+ */
+ if (test_case == NULL)
+ return err_status_cant_check;
+
+ /* loop over all test cases */
+ while (test_case != NULL) {
+
+ /* check test case parameters */
+ if (test_case->tag_length_octets > SELF_TEST_TAG_BUF_OCTETS)
+ return err_status_bad_param;
+
+ /* allocate auth */
+ status = auth_type_alloc(at, &a, test_case->key_length_octets,
+ test_case->tag_length_octets);
+ if (status)
+ return status;
+
+ /* initialize auth */
+ status = auth_init(a, test_case->key);
+ if (status) {
+ auth_dealloc(a);
+ return status;
+ }
+
+ /* zeroize tag then compute */
+ octet_string_set_to_zero(tag, test_case->tag_length_octets);
+ status = auth_compute(a, test_case->data,
+ test_case->data_length_octets, tag);
+ if (status) {
+ auth_dealloc(a);
+ return status;
+ }
+
+ debug_print(mod_auth, "key: %s",
+ octet_string_hex_string(test_case->key,
+ test_case->key_length_octets));
+ debug_print(mod_auth, "data: %s",
+ octet_string_hex_string(test_case->data,
+ test_case->data_length_octets));
+ debug_print(mod_auth, "tag computed: %s",
+ octet_string_hex_string(tag, test_case->tag_length_octets));
+ debug_print(mod_auth, "tag expected: %s",
+ octet_string_hex_string(test_case->tag,
+ test_case->tag_length_octets));
+
+ /* check the result */
+ status = err_status_ok;
+ for (i=0; i < test_case->tag_length_octets; i++)
+ if (tag[i] != test_case->tag[i]) {
+ status = err_status_algo_fail;
+ debug_print(mod_auth, "test case %d failed", case_num);
+ debug_print(mod_auth, " (mismatch at octet %d)", i);
+ }
+ if (status) {
+ auth_dealloc(a);
+ return err_status_algo_fail;
+ }
+
+ /* deallocate the auth function */
+ status = auth_dealloc(a);
+ if (status)
+ return status;
+
+ /*
+ * the auth function passed the test case, so move on to the next test
+ * case in the list; if NULL, we'll quit and return an OK
+ */
+ test_case = test_case->next_test_case;
+ ++case_num;
+ }
+
+ return err_status_ok;
+}
+
+
diff --git a/crypto/hash/hmac.c b/crypto/hash/hmac.c
new file mode 100644
index 0000000..4336cf0
--- /dev/null
+++ b/crypto/hash/hmac.c
@@ -0,0 +1,267 @@
+/*
+ * hmac.c
+ *
+ * implementation of hmac auth_type_t
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "hmac.h"
+#include "alloc.h"
+
+/* the debug module for authentiation */
+
+debug_module_t mod_hmac = {
+ 0, /* debugging is off by default */
+ "hmac sha-1" /* printable name for module */
+};
+
+
+err_status_t
+hmac_alloc(auth_t **a, int key_len, int out_len) {
+ extern auth_type_t hmac;
+ uint8_t *pointer;
+
+ debug_print(mod_hmac, "allocating auth func with key length %d", key_len);
+ debug_print(mod_hmac, " tag length %d", out_len);
+
+ /*
+ * check key length - note that we don't support keys larger
+ * than 20 bytes yet
+ */
+ if (key_len > 20)
+ return err_status_bad_param;
+
+ /* check output length - should be less than 20 bytes */
+ if (out_len > 20)
+ return err_status_bad_param;
+
+ /* allocate memory for auth and hmac_ctx_t structures */
+ pointer = (uint8_t*)crypto_alloc(sizeof(hmac_ctx_t) + sizeof(auth_t));
+ if (pointer == NULL)
+ return err_status_alloc_fail;
+
+ /* set pointers */
+ *a = (auth_t *)pointer;
+ (*a)->type = &hmac;
+ (*a)->state = pointer + sizeof(auth_t);
+ (*a)->out_len = out_len;
+ (*a)->key_len = key_len;
+ (*a)->prefix_len = 0;
+
+ /* increment global count of all hmac uses */
+ hmac.ref_count++;
+
+ return err_status_ok;
+}
+
+err_status_t
+hmac_dealloc(auth_t *a) {
+ extern auth_type_t hmac;
+
+ /* zeroize entire state*/
+ octet_string_set_to_zero((uint8_t *)a,
+ sizeof(hmac_ctx_t) + sizeof(auth_t));
+
+ /* free memory */
+ crypto_free(a);
+
+ /* decrement global count of all hmac uses */
+ hmac.ref_count--;
+
+ return err_status_ok;
+}
+
+err_status_t
+hmac_init(hmac_ctx_t *state, const uint8_t *key, int key_len) {
+ int i;
+ uint8_t ipad[64];
+
+ /*
+ * check key length - note that we don't support keys larger
+ * than 20 bytes yet
+ */
+ if (key_len > 20)
+ return err_status_bad_param;
+
+ /*
+ * set values of ipad and opad by exoring the key into the
+ * appropriate constant values
+ */
+ for (i=0; i < key_len; i++) {
+ ipad[i] = key[i] ^ 0x36;
+ state->opad[i] = key[i] ^ 0x5c;
+ }
+ /* set the rest of ipad, opad to constant values */
+ for ( ; i < 64; i++) {
+ ipad[i] = 0x36;
+ ((uint8_t *)state->opad)[i] = 0x5c;
+ }
+
+ debug_print(mod_hmac, "ipad: %s", octet_string_hex_string(ipad, 64));
+
+ /* initialize sha1 context */
+ sha1_init(&state->init_ctx);
+
+ /* hash ipad ^ key */
+ sha1_update(&state->init_ctx, ipad, 64);
+ memcpy(&state->ctx, &state->init_ctx, sizeof(sha1_ctx_t));
+
+ return err_status_ok;
+}
+
+err_status_t
+hmac_start(hmac_ctx_t *state) {
+
+ memcpy(&state->ctx, &state->init_ctx, sizeof(sha1_ctx_t));
+
+ return err_status_ok;
+}
+
+err_status_t
+hmac_update(hmac_ctx_t *state, const uint8_t *message, int msg_octets) {
+
+ debug_print(mod_hmac, "input: %s",
+ octet_string_hex_string(message, msg_octets));
+
+ /* hash message into sha1 context */
+ sha1_update(&state->ctx, message, msg_octets);
+
+ return err_status_ok;
+}
+
+err_status_t
+hmac_compute(hmac_ctx_t *state, const void *message,
+ int msg_octets, int tag_len, uint8_t *result) {
+ uint32_t hash_value[5];
+ uint32_t H[5];
+ int i;
+
+ /* check tag length, return error if we can't provide the value expected */
+ if (tag_len > 20)
+ return err_status_bad_param;
+
+ /* hash message, copy output into H */
+ hmac_update(state, (const uint8_t*)message, msg_octets);
+ sha1_final(&state->ctx, H);
+
+ /*
+ * note that we don't need to debug_print() the input, since the
+ * function hmac_update() already did that for us
+ */
+ debug_print(mod_hmac, "intermediate state: %s",
+ octet_string_hex_string((uint8_t *)H, 20));
+
+ /* re-initialize hash context */
+ sha1_init(&state->ctx);
+
+ /* hash opad ^ key */
+ sha1_update(&state->ctx, (uint8_t *)state->opad, 64);
+
+ /* hash the result of the inner hash */
+ sha1_update(&state->ctx, (uint8_t *)H, 20);
+
+ /* the result is returned in the array hash_value[] */
+ sha1_final(&state->ctx, hash_value);
+
+ /* copy hash_value to *result */
+ for (i=0; i < tag_len; i++)
+ result[i] = ((uint8_t *)hash_value)[i];
+
+ debug_print(mod_hmac, "output: %s",
+ octet_string_hex_string((uint8_t *)hash_value, tag_len));
+
+ return err_status_ok;
+}
+
+
+/* begin test case 0 */
+
+uint8_t
+hmac_test_case_0_key[20] = {
+ 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
+ 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
+ 0x0b, 0x0b, 0x0b, 0x0b
+};
+
+uint8_t
+hmac_test_case_0_data[8] = {
+ 0x48, 0x69, 0x20, 0x54, 0x68, 0x65, 0x72, 0x65 /* "Hi There" */
+};
+
+uint8_t
+hmac_test_case_0_tag[20] = {
+ 0xb6, 0x17, 0x31, 0x86, 0x55, 0x05, 0x72, 0x64,
+ 0xe2, 0x8b, 0xc0, 0xb6, 0xfb, 0x37, 0x8c, 0x8e,
+ 0xf1, 0x46, 0xbe, 0x00
+};
+
+auth_test_case_t
+hmac_test_case_0 = {
+ 20, /* octets in key */
+ hmac_test_case_0_key, /* key */
+ 8, /* octets in data */
+ hmac_test_case_0_data, /* data */
+ 20, /* octets in tag */
+ hmac_test_case_0_tag, /* tag */
+ NULL /* pointer to next testcase */
+};
+
+/* end test case 0 */
+
+char hmac_description[] = "hmac sha-1 authentication function";
+
+/*
+ * auth_type_t hmac is the hmac metaobject
+ */
+
+auth_type_t
+hmac = {
+ (auth_alloc_func) hmac_alloc,
+ (auth_dealloc_func) hmac_dealloc,
+ (auth_init_func) hmac_init,
+ (auth_compute_func) hmac_compute,
+ (auth_update_func) hmac_update,
+ (auth_start_func) hmac_start,
+ (char *) hmac_description,
+ (int) 0, /* instance count */
+ (auth_test_case_t *) &hmac_test_case_0,
+ (debug_module_t *) &mod_hmac
+};
+
diff --git a/crypto/hash/null_auth.c b/crypto/hash/null_auth.c
new file mode 100644
index 0000000..d73f3f8
--- /dev/null
+++ b/crypto/hash/null_auth.c
@@ -0,0 +1,159 @@
+/*
+ * null_auth.c
+ *
+ * implements the do-nothing auth algorithm
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "null_auth.h"
+#include "alloc.h"
+
+/* null_auth uses the auth debug module */
+
+extern debug_module_t mod_auth;
+
+err_status_t
+null_auth_alloc(auth_t **a, int key_len, int out_len) {
+ extern auth_type_t null_auth;
+ uint8_t *pointer;
+
+ debug_print(mod_auth, "allocating auth func with key length %d", key_len);
+ debug_print(mod_auth, " tag length %d", out_len);
+
+ /* allocate memory for auth and null_auth_ctx_t structures */
+ pointer = (uint8_t*)crypto_alloc(sizeof(null_auth_ctx_t) + sizeof(auth_t));
+ if (pointer == NULL)
+ return err_status_alloc_fail;
+
+ /* set pointers */
+ *a = (auth_t *)pointer;
+ (*a)->type = &null_auth;
+ (*a)->state = pointer + sizeof (auth_t);
+ (*a)->out_len = out_len;
+ (*a)->prefix_len = out_len;
+ (*a)->key_len = key_len;
+
+ /* increment global count of all null_auth uses */
+ null_auth.ref_count++;
+
+ return err_status_ok;
+}
+
+err_status_t
+null_auth_dealloc(auth_t *a) {
+ extern auth_type_t null_auth;
+
+ /* zeroize entire state*/
+ octet_string_set_to_zero((uint8_t *)a,
+ sizeof(null_auth_ctx_t) + sizeof(auth_t));
+
+ /* free memory */
+ crypto_free(a);
+
+ /* decrement global count of all null_auth uses */
+ null_auth.ref_count--;
+
+ return err_status_ok;
+}
+
+err_status_t
+null_auth_init(null_auth_ctx_t *state, const uint8_t *key, int key_len) {
+
+ /* accept any length of key, and do nothing */
+
+ return err_status_ok;
+}
+
+err_status_t
+null_auth_compute(null_auth_ctx_t *state, uint8_t *message,
+ int msg_octets, int tag_len, uint8_t *result) {
+
+ return err_status_ok;
+}
+
+err_status_t
+null_auth_update(null_auth_ctx_t *state, uint8_t *message,
+ int msg_octets) {
+
+ return err_status_ok;
+}
+
+err_status_t
+null_auth_start(null_auth_ctx_t *state) {
+ return err_status_ok;
+}
+
+/*
+ * auth_type_t - defines description, test case, and null_auth
+ * metaobject
+ */
+
+/* begin test case 0 */
+
+auth_test_case_t
+null_auth_test_case_0 = {
+ 0, /* octets in key */
+ NULL, /* key */
+ 0, /* octets in data */
+ NULL, /* data */
+ 0, /* octets in tag */
+ NULL, /* tag */
+ NULL /* pointer to next testcase */
+};
+
+/* end test case 0 */
+
+char null_auth_description[] = "null authentication function";
+
+auth_type_t
+null_auth = {
+ (auth_alloc_func) null_auth_alloc,
+ (auth_dealloc_func) null_auth_dealloc,
+ (auth_init_func) null_auth_init,
+ (auth_compute_func) null_auth_compute,
+ (auth_update_func) null_auth_update,
+ (auth_start_func) null_auth_start,
+ (char *) null_auth_description,
+ (int) 0, /* instance count */
+ (auth_test_case_t *) &null_auth_test_case_0
+};
diff --git a/crypto/hash/sha1.c b/crypto/hash/sha1.c
new file mode 100644
index 0000000..b9a8d10
--- /dev/null
+++ b/crypto/hash/sha1.c
@@ -0,0 +1,405 @@
+/*
+ * sha1.c
+ *
+ * an implementation of the Secure Hash Algorithm v.1 (SHA-1),
+ * specified in FIPS 180-1
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "sha1.h"
+
+debug_module_t mod_sha1 = {
+ 0, /* debugging is off by default */
+ "sha-1" /* printable module name */
+};
+
+/* SN == Rotate left N bits */
+#define S1(X) ((X << 1) | (X >> 31))
+#define S5(X) ((X << 5) | (X >> 27))
+#define S30(X) ((X << 30) | (X >> 2))
+
+#define f0(B,C,D) ((B & C) | (~B & D))
+#define f1(B,C,D) (B ^ C ^ D)
+#define f2(B,C,D) ((B & C) | (B & D) | (C & D))
+#define f3(B,C,D) (B ^ C ^ D)
+
+/*
+ * nota bene: the variable K0 appears in the curses library, so we
+ * give longer names to these variables to avoid spurious warnings
+ * on systems that uses curses
+ */
+
+uint32_t SHA_K0 = 0x5A827999; /* Kt for 0 <= t <= 19 */
+uint32_t SHA_K1 = 0x6ED9EBA1; /* Kt for 20 <= t <= 39 */
+uint32_t SHA_K2 = 0x8F1BBCDC; /* Kt for 40 <= t <= 59 */
+uint32_t SHA_K3 = 0xCA62C1D6; /* Kt for 60 <= t <= 79 */
+
+void
+sha1(const uint8_t *msg, int octets_in_msg, uint32_t hash_value[5]) {
+ sha1_ctx_t ctx;
+
+ sha1_init(&ctx);
+ sha1_update(&ctx, msg, octets_in_msg);
+ sha1_final(&ctx, hash_value);
+
+}
+
+/*
+ * sha1_core(M, H) computes the core compression function, where M is
+ * the next part of the message (in network byte order) and H is the
+ * intermediate state { H0, H1, ...} (in host byte order)
+ *
+ * this function does not do any of the padding required in the
+ * complete SHA1 function
+ *
+ * this function is used in the SEAL 3.0 key setup routines
+ * (crypto/cipher/seal.c)
+ */
+
+void
+sha1_core(const uint32_t M[16], uint32_t hash_value[5]) {
+ uint32_t H0;
+ uint32_t H1;
+ uint32_t H2;
+ uint32_t H3;
+ uint32_t H4;
+ uint32_t W[80];
+ uint32_t A, B, C, D, E, TEMP;
+ int t;
+
+ /* copy hash_value into H0, H1, H2, H3, H4 */
+ H0 = hash_value[0];
+ H1 = hash_value[1];
+ H2 = hash_value[2];
+ H3 = hash_value[3];
+ H4 = hash_value[4];
+
+ /* copy/xor message into array */
+
+ W[0] = be32_to_cpu(M[0]);
+ W[1] = be32_to_cpu(M[1]);
+ W[2] = be32_to_cpu(M[2]);
+ W[3] = be32_to_cpu(M[3]);
+ W[4] = be32_to_cpu(M[4]);
+ W[5] = be32_to_cpu(M[5]);
+ W[6] = be32_to_cpu(M[6]);
+ W[7] = be32_to_cpu(M[7]);
+ W[8] = be32_to_cpu(M[8]);
+ W[9] = be32_to_cpu(M[9]);
+ W[10] = be32_to_cpu(M[10]);
+ W[11] = be32_to_cpu(M[11]);
+ W[12] = be32_to_cpu(M[12]);
+ W[13] = be32_to_cpu(M[13]);
+ W[14] = be32_to_cpu(M[14]);
+ W[15] = be32_to_cpu(M[15]);
+ TEMP = W[13] ^ W[8] ^ W[2] ^ W[0]; W[16] = S1(TEMP);
+ TEMP = W[14] ^ W[9] ^ W[3] ^ W[1]; W[17] = S1(TEMP);
+ TEMP = W[15] ^ W[10] ^ W[4] ^ W[2]; W[18] = S1(TEMP);
+ TEMP = W[16] ^ W[11] ^ W[5] ^ W[3]; W[19] = S1(TEMP);
+ TEMP = W[17] ^ W[12] ^ W[6] ^ W[4]; W[20] = S1(TEMP);
+ TEMP = W[18] ^ W[13] ^ W[7] ^ W[5]; W[21] = S1(TEMP);
+ TEMP = W[19] ^ W[14] ^ W[8] ^ W[6]; W[22] = S1(TEMP);
+ TEMP = W[20] ^ W[15] ^ W[9] ^ W[7]; W[23] = S1(TEMP);
+ TEMP = W[21] ^ W[16] ^ W[10] ^ W[8]; W[24] = S1(TEMP);
+ TEMP = W[22] ^ W[17] ^ W[11] ^ W[9]; W[25] = S1(TEMP);
+ TEMP = W[23] ^ W[18] ^ W[12] ^ W[10]; W[26] = S1(TEMP);
+ TEMP = W[24] ^ W[19] ^ W[13] ^ W[11]; W[27] = S1(TEMP);
+ TEMP = W[25] ^ W[20] ^ W[14] ^ W[12]; W[28] = S1(TEMP);
+ TEMP = W[26] ^ W[21] ^ W[15] ^ W[13]; W[29] = S1(TEMP);
+ TEMP = W[27] ^ W[22] ^ W[16] ^ W[14]; W[30] = S1(TEMP);
+ TEMP = W[28] ^ W[23] ^ W[17] ^ W[15]; W[31] = S1(TEMP);
+
+ /* process the remainder of the array */
+ for (t=32; t < 80; t++) {
+ TEMP = W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16];
+ W[t] = S1(TEMP);
+ }
+
+ A = H0; B = H1; C = H2; D = H3; E = H4;
+
+ for (t=0; t < 20; t++) {
+ TEMP = S5(A) + f0(B,C,D) + E + W[t] + SHA_K0;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+ for ( ; t < 40; t++) {
+ TEMP = S5(A) + f1(B,C,D) + E + W[t] + SHA_K1;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+ for ( ; t < 60; t++) {
+ TEMP = S5(A) + f2(B,C,D) + E + W[t] + SHA_K2;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+ for ( ; t < 80; t++) {
+ TEMP = S5(A) + f3(B,C,D) + E + W[t] + SHA_K3;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+
+ hash_value[0] = H0 + A;
+ hash_value[1] = H1 + B;
+ hash_value[2] = H2 + C;
+ hash_value[3] = H3 + D;
+ hash_value[4] = H4 + E;
+
+ return;
+}
+
+void
+sha1_init(sha1_ctx_t *ctx) {
+
+ /* initialize state vector */
+ ctx->H[0] = 0x67452301;
+ ctx->H[1] = 0xefcdab89;
+ ctx->H[2] = 0x98badcfe;
+ ctx->H[3] = 0x10325476;
+ ctx->H[4] = 0xc3d2e1f0;
+
+ /* indicate that message buffer is empty */
+ ctx->octets_in_buffer = 0;
+
+ /* reset message bit-count to zero */
+ ctx->num_bits_in_msg = 0;
+
+}
+
+void
+sha1_update(sha1_ctx_t *ctx, const uint8_t *msg, int octets_in_msg) {
+ int i;
+ uint8_t *buf = (uint8_t *)ctx->M;
+
+ /* update message bit-count */
+ ctx->num_bits_in_msg += octets_in_msg * 8;
+
+ /* loop over 16-word blocks of M */
+ while (octets_in_msg > 0) {
+
+ if (octets_in_msg + ctx->octets_in_buffer >= 64) {
+
+ /*
+ * copy words of M into msg buffer until that buffer is full,
+ * converting them into host byte order as needed
+ */
+ octets_in_msg -= (64 - ctx->octets_in_buffer);
+ for (i=ctx->octets_in_buffer; i < 64; i++)
+ buf[i] = *msg++;
+ ctx->octets_in_buffer = 0;
+
+ /* process a whole block */
+
+ debug_print(mod_sha1, "(update) running sha1_core()", NULL);
+
+ sha1_core(ctx->M, ctx->H);
+
+ } else {
+
+ debug_print(mod_sha1, "(update) not running sha1_core()", NULL);
+
+ for (i=ctx->octets_in_buffer;
+ i < (ctx->octets_in_buffer + octets_in_msg); i++)
+ buf[i] = *msg++;
+ ctx->octets_in_buffer += octets_in_msg;
+ octets_in_msg = 0;
+ }
+
+ }
+
+}
+
+/*
+ * sha1_final(ctx, output) computes the result for ctx and copies it
+ * into the twenty octets located at *output
+ */
+
+void
+sha1_final(sha1_ctx_t *ctx, uint32_t *output) {
+ uint32_t A, B, C, D, E, TEMP;
+ uint32_t W[80];
+ int i, t;
+
+ /*
+ * process the remaining octets_in_buffer, padding and terminating as
+ * necessary
+ */
+ {
+ int tail = ctx->octets_in_buffer % 4;
+
+ /* copy/xor message into array */
+ for (i=0; i < (ctx->octets_in_buffer+3)/4; i++)
+ W[i] = be32_to_cpu(ctx->M[i]);
+
+ /* set the high bit of the octet immediately following the message */
+ switch (tail) {
+ case (3):
+ W[i-1] = (be32_to_cpu(ctx->M[i-1]) & 0xffffff00) | 0x80;
+ W[i] = 0x0;
+ break;
+ case (2):
+ W[i-1] = (be32_to_cpu(ctx->M[i-1]) & 0xffff0000) | 0x8000;
+ W[i] = 0x0;
+ break;
+ case (1):
+ W[i-1] = (be32_to_cpu(ctx->M[i-1]) & 0xff000000) | 0x800000;
+ W[i] = 0x0;
+ break;
+ case (0):
+ W[i] = 0x80000000;
+ break;
+ }
+
+ /* zeroize remaining words */
+ for (i++ ; i < 15; i++)
+ W[i] = 0x0;
+
+ /*
+ * if there is room at the end of the word array, then set the
+ * last word to the bit-length of the message; otherwise, set that
+ * word to zero and then we need to do one more run of the
+ * compression algo.
+ */
+ if (ctx->octets_in_buffer < 56)
+ W[15] = ctx->num_bits_in_msg;
+ else if (ctx->octets_in_buffer < 60)
+ W[15] = 0x0;
+
+ /* process the word array */
+ for (t=16; t < 80; t++) {
+ TEMP = W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16];
+ W[t] = S1(TEMP);
+ }
+
+ A = ctx->H[0];
+ B = ctx->H[1];
+ C = ctx->H[2];
+ D = ctx->H[3];
+ E = ctx->H[4];
+
+ for (t=0; t < 20; t++) {
+ TEMP = S5(A) + f0(B,C,D) + E + W[t] + SHA_K0;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+ for ( ; t < 40; t++) {
+ TEMP = S5(A) + f1(B,C,D) + E + W[t] + SHA_K1;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+ for ( ; t < 60; t++) {
+ TEMP = S5(A) + f2(B,C,D) + E + W[t] + SHA_K2;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+ for ( ; t < 80; t++) {
+ TEMP = S5(A) + f3(B,C,D) + E + W[t] + SHA_K3;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+
+ ctx->H[0] += A;
+ ctx->H[1] += B;
+ ctx->H[2] += C;
+ ctx->H[3] += D;
+ ctx->H[4] += E;
+
+ }
+
+ debug_print(mod_sha1, "(final) running sha1_core()", NULL);
+
+ if (ctx->octets_in_buffer >= 56) {
+
+ debug_print(mod_sha1, "(final) running sha1_core() again", NULL);
+
+ /* we need to do one final run of the compression algo */
+
+ /*
+ * set initial part of word array to zeros, and set the
+ * final part to the number of bits in the message
+ */
+ for (i=0; i < 15; i++)
+ W[i] = 0x0;
+ W[15] = ctx->num_bits_in_msg;
+
+ /* process the word array */
+ for (t=16; t < 80; t++) {
+ TEMP = W[t-3] ^ W[t-8] ^ W[t-14] ^ W[t-16];
+ W[t] = S1(TEMP);
+ }
+
+ A = ctx->H[0];
+ B = ctx->H[1];
+ C = ctx->H[2];
+ D = ctx->H[3];
+ E = ctx->H[4];
+
+ for (t=0; t < 20; t++) {
+ TEMP = S5(A) + f0(B,C,D) + E + W[t] + SHA_K0;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+ for ( ; t < 40; t++) {
+ TEMP = S5(A) + f1(B,C,D) + E + W[t] + SHA_K1;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+ for ( ; t < 60; t++) {
+ TEMP = S5(A) + f2(B,C,D) + E + W[t] + SHA_K2;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+ for ( ; t < 80; t++) {
+ TEMP = S5(A) + f3(B,C,D) + E + W[t] + SHA_K3;
+ E = D; D = C; C = S30(B); B = A; A = TEMP;
+ }
+
+ ctx->H[0] += A;
+ ctx->H[1] += B;
+ ctx->H[2] += C;
+ ctx->H[3] += D;
+ ctx->H[4] += E;
+ }
+
+ /* copy result into output buffer */
+ output[0] = be32_to_cpu(ctx->H[0]);
+ output[1] = be32_to_cpu(ctx->H[1]);
+ output[2] = be32_to_cpu(ctx->H[2]);
+ output[3] = be32_to_cpu(ctx->H[3]);
+ output[4] = be32_to_cpu(ctx->H[4]);
+
+ /* indicate that message buffer in context is empty */
+ ctx->octets_in_buffer = 0;
+
+ return;
+}
+
+
+
diff --git a/crypto/include/aes.h b/crypto/include/aes.h
new file mode 100644
index 0000000..d965280
--- /dev/null
+++ b/crypto/include/aes.h
@@ -0,0 +1,84 @@
+/*
+ * aes.h
+ *
+ * header file for the AES block cipher
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef _AES_H
+#define _AES_H
+
+#include "config.h"
+
+#include "datatypes.h"
+#include "gf2_8.h"
+
+/* aes internals */
+
+typedef v128_t aes_expanded_key_t[11];
+
+void
+aes_expand_encryption_key(const v128_t *key,
+ aes_expanded_key_t expanded_key);
+
+void
+aes_expand_decryption_key(const v128_t *key,
+ aes_expanded_key_t expanded_key);
+
+void
+aes_encrypt(v128_t *plaintext, const aes_expanded_key_t exp_key);
+
+void
+aes_decrypt(v128_t *plaintext, const aes_expanded_key_t exp_key);
+
+#if 0
+/*
+ * internal functions
+ */
+
+void
+aes_init_sbox(void);
+
+void
+aes_compute_tables(void);
+#endif
+
+#endif /* _AES_H */
diff --git a/crypto/include/aes_cbc.h b/crypto/include/aes_cbc.h
new file mode 100644
index 0000000..9fb6682
--- /dev/null
+++ b/crypto/include/aes_cbc.h
@@ -0,0 +1,50 @@
+/*
+ * aes_cbc.h
+ *
+ * Header for AES Cipher Blobk Chaining Mode.
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ */
+
+#ifndef AES_CBC_H
+#define AES_CBC_H
+
+#include "aes.h"
+#include "cipher.h"
+
+typedef struct {
+ v128_t state; /* cipher chaining state */
+ v128_t previous; /* previous ciphertext block */
+ aes_expanded_key_t expanded_key; /* the cipher key */
+} aes_cbc_ctx_t;
+
+err_status_t
+aes_cbc_set_key(aes_cbc_ctx_t *c,
+ const unsigned char *key);
+
+err_status_t
+aes_cbc_encrypt(aes_cbc_ctx_t *c,
+ unsigned char *buf,
+ unsigned int *bytes_in_data);
+
+err_status_t
+aes_cbc_context_init(aes_cbc_ctx_t *c, const uint8_t *key,
+ cipher_direction_t dir);
+
+err_status_t
+aes_cbc_set_iv(aes_cbc_ctx_t *c, void *iv);
+
+err_status_t
+aes_cbc_nist_encrypt(aes_cbc_ctx_t *c,
+ unsigned char *data,
+ unsigned int *bytes_in_data);
+
+err_status_t
+aes_cbc_nist_decrypt(aes_cbc_ctx_t *c,
+ unsigned char *data,
+ unsigned int *bytes_in_data);
+
+#endif /* AES_CBC_H */
+
diff --git a/crypto/include/aes_icm.h b/crypto/include/aes_icm.h
new file mode 100644
index 0000000..17a1ddb
--- /dev/null
+++ b/crypto/include/aes_icm.h
@@ -0,0 +1,56 @@
+/*
+ * aes_icm.h
+ *
+ * Header for AES Integer Counter Mode.
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ */
+
+#ifndef AES_ICM_H
+#define AES_ICM_H
+
+#include "aes.h"
+#include "cipher.h"
+
+typedef struct {
+ v128_t counter; /* holds the counter value */
+ v128_t offset; /* initial offset value */
+ v128_t keystream_buffer; /* buffers bytes of keystream */
+ aes_expanded_key_t expanded_key; /* the cipher key */
+ int bytes_in_buffer; /* number of unused bytes in buffer */
+} aes_icm_ctx_t;
+
+
+err_status_t
+aes_icm_context_init(aes_icm_ctx_t *c,
+ const unsigned char *key);
+
+err_status_t
+aes_icm_set_iv(aes_icm_ctx_t *c, void *iv);
+
+err_status_t
+aes_icm_encrypt(aes_icm_ctx_t *c,
+ unsigned char *buf, unsigned int *bytes_to_encr);
+
+err_status_t
+aes_icm_output(aes_icm_ctx_t *c,
+ unsigned char *buf, int bytes_to_output);
+
+err_status_t
+aes_icm_dealloc(cipher_t *c);
+
+err_status_t
+aes_icm_encrypt_ismacryp(aes_icm_ctx_t *c,
+ unsigned char *buf,
+ unsigned int *enc_len,
+ int forIsmacryp);
+
+err_status_t
+aes_icm_alloc_ismacryp(cipher_t **c,
+ int key_len,
+ int forIsmacryp);
+
+#endif /* AES_ICM_H */
+
diff --git a/crypto/include/alloc.h b/crypto/include/alloc.h
new file mode 100644
index 0000000..5980eed
--- /dev/null
+++ b/crypto/include/alloc.h
@@ -0,0 +1,57 @@
+/*
+ * alloc.h
+ *
+ * interface to memory allocation and deallocation, with optional debugging
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef CRYPTO_ALLOC_H
+#define CRYPTO_ALLOC_H
+
+#include "datatypes.h"
+
+void *
+crypto_alloc(size_t size);
+
+void
+crypto_free(void *ptr);
+
+#endif /* CRYPTO_ALLOC_H */
diff --git a/crypto/include/auth.h b/crypto/include/auth.h
new file mode 100644
index 0000000..295b5f6
--- /dev/null
+++ b/crypto/include/auth.h
@@ -0,0 +1,159 @@
+/*
+ * auth.h
+ *
+ * common interface to authentication functions
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef AUTH_H
+#define AUTH_H
+
+#include "datatypes.h"
+#include "err.h" /* error codes */
+
+typedef struct auth_type_t *auth_type_pointer;
+typedef struct auth_t *auth_pointer_t;
+
+typedef err_status_t (*auth_alloc_func)
+ (auth_pointer_t *ap, int key_len, int out_len);
+
+typedef err_status_t (*auth_init_func)
+ (void *state, const uint8_t *key, int key_len);
+
+typedef err_status_t (*auth_dealloc_func)(auth_pointer_t ap);
+
+typedef err_status_t (*auth_compute_func)
+ (void *state, uint8_t *buffer, int octets_to_auth,
+ int tag_len, uint8_t *tag);
+
+typedef err_status_t (*auth_update_func)
+ (void *state, uint8_t *buffer, int octets_to_auth);
+
+typedef err_status_t (*auth_start_func)(void *state);
+
+/* some syntactic sugar on these function types */
+
+#define auth_type_alloc(at, a, klen, outlen) \
+ ((at)->alloc((a), (klen), (outlen)))
+
+#define auth_init(a, key) \
+ (((a)->type)->init((a)->state, (key), ((a)->key_len)))
+
+#define auth_compute(a, buf, len, res) \
+ (((a)->type)->compute((a)->state, (buf), (len), (a)->out_len, (res)))
+
+#define auth_update(a, buf, len) \
+ (((a)->type)->update((a)->state, (buf), (len)))
+
+#define auth_start(a)(((a)->type)->start((a)->state))
+
+#define auth_dealloc(c) (((c)->type)->dealloc(c))
+
+/* functions to get information about a particular auth_t */
+
+int
+auth_get_key_length(const struct auth_t *a);
+
+int
+auth_get_tag_length(const struct auth_t *a);
+
+int
+auth_get_prefix_length(const struct auth_t *a);
+
+/*
+ * auth_test_case_t is a (list of) key/message/tag values that are
+ * known to be correct for a particular cipher. this data can be used
+ * to test an implementation in an on-the-fly self test of the
+ * correcness of the implementation. (see the auth_type_self_test()
+ * function below)
+ */
+
+typedef struct auth_test_case_t {
+ int key_length_octets; /* octets in key */
+ uint8_t *key; /* key */
+ int data_length_octets; /* octets in data */
+ uint8_t *data; /* data */
+ int tag_length_octets; /* octets in tag */
+ uint8_t *tag; /* tag */
+ struct auth_test_case_t *next_test_case; /* pointer to next testcase */
+} auth_test_case_t;
+
+/* auth_type_t */
+
+typedef struct auth_type_t {
+ auth_alloc_func alloc;
+ auth_dealloc_func dealloc;
+ auth_init_func init;
+ auth_compute_func compute;
+ auth_update_func update;
+ auth_start_func start;
+ char *description;
+ int ref_count;
+ auth_test_case_t *test_data;
+ debug_module_t *debug;
+} auth_type_t;
+
+typedef struct auth_t {
+ auth_type_t *type;
+ void *state;
+ int out_len; /* length of output tag in octets */
+ int key_len; /* length of key in octets */
+ int prefix_len; /* length of keystream prefix */
+} auth_t;
+
+/*
+ * auth_type_self_test() tests an auth_type against test cases
+ * provided in an array of values of key/message/tag that is known to
+ * be good
+ */
+
+err_status_t
+auth_type_self_test(const auth_type_t *at);
+
+/*
+ * auth_type_get_ref_count(at) returns the reference count (the number
+ * of instantiations) of the auth_type_t at
+ */
+
+int
+auth_type_get_ref_count(const auth_type_t *at);
+
+#endif /* AUTH_H */
diff --git a/crypto/include/cipher.h b/crypto/include/cipher.h
new file mode 100644
index 0000000..96ee9dc
--- /dev/null
+++ b/crypto/include/cipher.h
@@ -0,0 +1,218 @@
+/*
+ * cipher.h
+ *
+ * common interface to ciphers
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef CIPHER_H
+#define CIPHER_H
+
+#include "datatypes.h"
+#include "rdbx.h" /* for xtd_seq_num_t */
+#include "err.h" /* for error codes */
+
+
+/**
+ * @brief cipher_direction_t defines a particular cipher operation.
+ *
+ * A cipher_direction_t is an enum that describes a particular cipher
+ * operation, i.e. encryption or decryption. For some ciphers, this
+ * distinction does not matter, but for others, it is essential.
+ */
+
+typedef enum {
+ direction_encrypt, /**< encryption (convert plaintext to ciphertext) */
+ direction_decrypt, /**< decryption (convert ciphertext to plaintext) */
+ direction_any /**< encryption or decryption */
+} cipher_direction_t;
+
+/*
+ * the cipher_pointer and cipher_type_pointer definitions are needed
+ * as cipher_t and cipher_type_t are not yet defined
+ */
+
+typedef struct cipher_type_t *cipher_type_pointer_t;
+typedef struct cipher_t *cipher_pointer_t;
+
+/*
+ * a cipher_alloc_func_t allocates (but does not initialize) a cipher_t
+ */
+
+typedef err_status_t (*cipher_alloc_func_t)
+ (cipher_pointer_t *cp, int key_len);
+
+/*
+ * a cipher_init_func_t [re-]initializes a cipher_t with a given key
+ * and direction (i.e., encrypt or decrypt)
+ */
+
+typedef err_status_t (*cipher_init_func_t)
+ (void *state, const uint8_t *key, cipher_direction_t dir);
+
+/* a cipher_dealloc_func_t de-allocates a cipher_t */
+
+typedef err_status_t (*cipher_dealloc_func_t)(cipher_pointer_t cp);
+
+/* a cipher_set_segment_func_t sets the segment index of a cipher_t */
+
+typedef err_status_t (*cipher_set_segment_func_t)
+ (void *state, xtd_seq_num_t idx);
+
+/* a cipher_encrypt_func_t encrypts data in-place */
+
+typedef err_status_t (*cipher_encrypt_func_t)
+ (void *state, uint8_t *buffer, unsigned int *octets_to_encrypt);
+
+/* a cipher_decrypt_func_t decrypts data in-place */
+
+typedef err_status_t (*cipher_decrypt_func_t)
+ (void *state, uint8_t *buffer, unsigned int *octets_to_decrypt);
+
+/*
+ * a cipher_set_nonce_seq_func_t function sets both the nonce
+ * and the extended sequence number
+ */
+
+typedef err_status_t (*cipher_set_iv_func_t)
+ (cipher_pointer_t cp, void *iv);
+
+/*
+ * cipher_test_case_t is a (list of) key, salt, xtd_seq_num_t,
+ * plaintext, and ciphertext values that are known to be correct for a
+ * particular cipher. this data can be used to test an implementation
+ * in an on-the-fly self test of the correcness of the implementation.
+ * (see the cipher_type_self_test() function below)
+ */
+
+typedef struct cipher_test_case_t {
+ int key_length_octets; /* octets in key */
+ uint8_t *key; /* key */
+ uint8_t *idx; /* packet index */
+ int plaintext_length_octets; /* octets in plaintext */
+ uint8_t *plaintext; /* plaintext */
+ int ciphertext_length_octets; /* octets in plaintext */
+ uint8_t *ciphertext; /* ciphertext */
+ struct cipher_test_case_t *next_test_case; /* pointer to next testcase */
+} cipher_test_case_t;
+
+/* cipher_type_t defines the 'metadata' for a particular cipher type */
+
+typedef struct cipher_type_t {
+ cipher_alloc_func_t alloc;
+ cipher_dealloc_func_t dealloc;
+ cipher_init_func_t init;
+ cipher_encrypt_func_t encrypt;
+ cipher_encrypt_func_t decrypt;
+ cipher_set_iv_func_t set_iv;
+ char *description;
+ int ref_count;
+ cipher_test_case_t *test_data;
+ debug_module_t *debug;
+} cipher_type_t;
+
+/*
+ * cipher_t defines an instantiation of a particular cipher, with fixed
+ * key length, key and salt values
+ */
+
+typedef struct cipher_t {
+ cipher_type_t *type;
+ void *state;
+ int key_len;
+#ifdef FORCE_64BIT_ALIGN
+ int pad;
+#endif
+} cipher_t;
+
+/* some syntactic sugar on these function types */
+
+#define cipher_type_alloc(ct, c, klen) ((ct)->alloc((c), (klen)))
+
+#define cipher_dealloc(c) (((c)->type)->dealloc(c))
+
+#define cipher_init(c, k, dir) (((c)->type)->init(((c)->state), (k), (dir)))
+
+#define cipher_encrypt(c, buf, len) \
+ (((c)->type)->encrypt(((c)->state), (buf), (len)))
+
+#define cipher_decrypt(c, buf, len) \
+ (((c)->type)->decrypt(((c)->state), (buf), (len)))
+
+#define cipher_set_iv(c, n) \
+ ((c) ? (((c)->type)->set_iv(((cipher_pointer_t)(c)->state), (n))) : \
+ err_status_no_such_op)
+
+err_status_t
+cipher_output(cipher_t *c, uint8_t *buffer, int num_octets_to_output);
+
+
+/* some bookkeeping functions */
+
+int
+cipher_get_key_length(const cipher_t *c);
+
+
+/*
+ * cipher_type_self_test() tests a cipher against test cases provided in
+ * an array of values of key/xtd_seq_num_t/plaintext/ciphertext
+ * that is known to be good
+ */
+
+err_status_t
+cipher_type_self_test(const cipher_type_t *ct);
+
+
+/*
+ * cipher_bits_per_second(c, l, t) computes (and estimate of) the
+ * number of bits that a cipher implementation can encrypt in a second
+ *
+ * c is a cipher (which MUST be allocated and initialized already), l
+ * is the length in octets of the test data to be encrypted, and t is
+ * the number of trials
+ *
+ * if an error is encountered, then the value 0 is returned
+ */
+
+uint64_t
+cipher_bits_per_second(cipher_t *c, int octets_in_buffer, int num_trials);
+
+#endif /* CIPHER_H */
diff --git a/crypto/include/config.h b/crypto/include/config.h
new file mode 100644
index 0000000..9c66dd1
--- /dev/null
+++ b/crypto/include/config.h
@@ -0,0 +1,202 @@
+/* crypto/include/config.h. Generated by configure. */
+/* config_in.h. Generated from configure.in by autoheader. */
+
+/* Define if building for a CISC machine (e.g. Intel). */
+#define CPU_CISC 1
+
+/* Define if building for a RISC machine (assume slow byte access). */
+/* #undef CPU_RISC */
+
+/* Path to random device */
+#define DEV_URANDOM "/dev/urandom"
+
+/* Define to compile in dynamic debugging system. */
+#define ENABLE_DEBUGGING 1
+
+/* Report errors to this file. */
+/* #undef ERR_REPORTING_FILE */
+
+/* Define to use logging to stdout. */
+#define ERR_REPORTING_STDOUT 1
+
+/* Define this to use ISMAcryp code. */
+/* #undef GENERIC_AESICM */
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#define HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <byteswap.h> header file. */
+#define HAVE_BYTESWAP_H 1
+
+/* Define to 1 if you have the `inet_aton' function. */
+#define HAVE_INET_ATON 1
+
+/* Define to 1 if the system has the type `int16_t'. */
+#define HAVE_INT16_T 1
+
+/* Define to 1 if the system has the type `int32_t'. */
+#define HAVE_INT32_T 1
+
+/* Define to 1 if the system has the type `int8_t'. */
+#define HAVE_INT8_T 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the `socket' library (-lsocket). */
+/* #undef HAVE_LIBSOCKET */
+
+/* Define to 1 if you have the <machine/types.h> header file. */
+/* #undef HAVE_MACHINE_TYPES_H */
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#define HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the `socket' function. */
+#define HAVE_SOCKET 1
+
+/* Define to 1 if you have the <stdint.h> header file. */
+#define HAVE_STDINT_H 1
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#define HAVE_SYSLOG_H 1
+
+/* Define to 1 if you have the <sys/int_types.h> header file. */
+/* #undef HAVE_SYS_INT_TYPES_H */
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#define HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <sys/uio.h> header file. */
+#define HAVE_SYS_UIO_H 1
+
+/* Define to 1 if the system has the type `uint16_t'. */
+#define HAVE_UINT16_T 1
+
+/* Define to 1 if the system has the type `uint32_t'. */
+#define HAVE_UINT32_T 1
+
+/* Define to 1 if the system has the type `uint64_t'. */
+#define HAVE_UINT64_T 1
+
+/* Define to 1 if the system has the type `uint8_t'. */
+#define HAVE_UINT8_T 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to 1 if you have the `usleep' function. */
+#define HAVE_USLEEP 1
+
+/* Define to 1 if you have the <windows.h> header file. */
+/* #undef HAVE_WINDOWS_H */
+
+/* Define to 1 if you have the <winsock2.h> header file. */
+/* #undef HAVE_WINSOCK2_H */
+
+/* Define to use X86 inlined assembly code */
+/* #undef HAVE_X86 */
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT ""
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME ""
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING ""
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME ""
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION ""
+
+/* The size of a `unsigned long', as computed by sizeof. */
+#if defined(__GNUC__) && defined(__LP64__)
+#define SIZEOF_UNSIGNED_LONG 8
+#else
+#define SIZEOF_UNSIGNED_LONG 4
+#endif
+
+/* The size of a `unsigned long long', as computed by sizeof. */
+#define SIZEOF_UNSIGNED_LONG_LONG 8
+
+/* Define to use GDOI. */
+/* #undef SRTP_GDOI */
+
+/* Define to compile for kernel contexts. */
+/* #undef SRTP_KERNEL */
+
+/* Define to compile for Linux kernel context. */
+/* #undef SRTP_KERNEL_LINUX */
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* Write errors to this file */
+/* #undef USE_ERR_REPORTING_FILE */
+
+/* Define to use syslog logging. */
+/* #undef USE_SYSLOG */
+
+/* Define to 1 if your processor stores words with the most significant byte
+ first (like Motorola and SPARC, unlike Intel and VAX). */
+/* #undef WORDS_BIGENDIAN */
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Define to `__inline__' or `__inline' if that's what the C compiler
+ calls it, or to nothing if 'inline' is not supported under any name. */
+#ifndef __cplusplus
+/* #undef inline */
+#endif
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+/* #undef size_t */
+
+/* Adjustments to build under MSVC. */
+#if defined(WIN32)
+#undef DEV_URANDOM
+#undef HAVE_BYTESWAP_H
+#undef HAVE_INT16_T
+#undef HAVE_INT32_T
+#undef HAVE_INT8_T
+#undef HAVE_INTTYPES_H
+#undef HAVE_UINT16_T
+#undef HAVE_UINT32_T
+#undef HAVE_UINT64_T
+#undef HAVE_UINT8_T
+#undef HAVE_NETINET_IN_H
+#define HAVE_WINSOCK2_H
+#undef HAVE_STDINT_H
+#ifndef __cplusplus
+#define inline
+#endif
+typedef short int16_t;
+#elif defined(IOS)
+#undef HAVE_BYTESWAP_H
+/* Adjustments to build on MacOS. */
+#elif defined(OSX)
+#undef DEV_URANDOM
+#undef HAVE_BYTESWAP_H
+#endif
diff --git a/crypto/include/crypto.h b/crypto/include/crypto.h
new file mode 100644
index 0000000..0e9667d
--- /dev/null
+++ b/crypto/include/crypto.h
@@ -0,0 +1,43 @@
+/*
+ * crypto.h
+ *
+ * API for libcrypto
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+#ifndef CRYPTO_H
+#define CRYPTO_H
+
+/**
+ * @brief A cipher_type_id_t is an identifier for a particular cipher
+ * type.
+ *
+ * A cipher_type_id_t is an integer that represents a particular
+ * cipher type, e.g. the Advanced Encryption Standard (AES). A
+ * NULL_CIPHER is avaliable; this cipher leaves the data unchanged,
+ * and can be selected to indicate that no encryption is to take
+ * place.
+ *
+ * @ingroup Ciphers
+ */
+typedef uint32_t cipher_type_id_t;
+
+/**
+ * @brief An auth_type_id_t is an identifier for a particular authentication
+ * function.
+ *
+ * An auth_type_id_t is an integer that represents a particular
+ * authentication function type, e.g. HMAC-SHA1. A NULL_AUTH is
+ * avaliable; this authentication function performs no computation,
+ * and can be selected to indicate that no authentication is to take
+ * place.
+ *
+ * @ingroup Authentication
+ */
+typedef uint32_t auth_type_id_t;
+
+#endif /* CRYPTO_H */
+
+
diff --git a/crypto/include/crypto_kernel.h b/crypto/include/crypto_kernel.h
new file mode 100644
index 0000000..b8cd9be
--- /dev/null
+++ b/crypto/include/crypto_kernel.h
@@ -0,0 +1,258 @@
+/*
+ * crypto_kernel.h
+ *
+ * header for the cryptographic kernel
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef CRYPTO_KERNEL
+#define CRYPTO_KERNEL
+
+#include "rand_source.h"
+#include "prng.h"
+#include "cipher.h"
+#include "auth.h"
+#include "cryptoalg.h"
+#include "stat.h"
+#include "err.h"
+#include "crypto_types.h"
+#include "key.h"
+#include "crypto.h"
+
+/*
+ * crypto_kernel_state_t defines the possible states:
+ *
+ * insecure - not yet initialized
+ * secure - initialized and passed self-tests
+ */
+
+typedef enum {
+ crypto_kernel_state_insecure,
+ crypto_kernel_state_secure
+} crypto_kernel_state_t;
+
+/*
+ * linked list of cipher types
+ */
+
+typedef struct kernel_cipher_type {
+ cipher_type_id_t id;
+ cipher_type_t *cipher_type;
+ struct kernel_cipher_type *next;
+} kernel_cipher_type_t;
+
+/*
+ * linked list of auth types
+ */
+
+typedef struct kernel_auth_type {
+ auth_type_id_t id;
+ auth_type_t *auth_type;
+ struct kernel_auth_type *next;
+} kernel_auth_type_t;
+
+/*
+ * linked list of debug modules
+ */
+
+typedef struct kernel_debug_module {
+ debug_module_t *mod;
+ struct kernel_debug_module *next;
+} kernel_debug_module_t;
+
+
+/*
+ * crypto_kernel_t is the data structure for the crypto kernel
+ *
+ * note that there is *exactly one* instance of this data type,
+ * a global variable defined in crypto_kernel.c
+ */
+
+typedef struct {
+ crypto_kernel_state_t state; /* current state of kernel */
+ kernel_cipher_type_t *cipher_type_list; /* list of all cipher types */
+ kernel_auth_type_t *auth_type_list; /* list of all auth func types */
+ kernel_debug_module_t *debug_module_list; /* list of all debug modules */
+} crypto_kernel_t;
+
+
+/*
+ * crypto_kernel_t external api
+ */
+
+
+/*
+ * The function crypto_kernel_init() initialized the crypto kernel and
+ * runs the self-test operations on the random number generators and
+ * crypto algorithms. Possible return values are:
+ *
+ * err_status_ok initialization successful
+ * <other> init failure
+ *
+ * If any value other than err_status_ok is returned, the
+ * crypto_kernel MUST NOT be used.
+ */
+
+err_status_t
+crypto_kernel_init(void);
+
+
+/*
+ * The function crypto_kernel_shutdown() de-initializes the
+ * crypto_kernel, zeroizes keys and other cryptographic material, and
+ * deallocates any dynamically allocated memory. Possible return
+ * values are:
+ *
+ * err_status_ok shutdown successful
+ * <other> shutdown failure
+ *
+ */
+
+err_status_t
+crypto_kernel_shutdown(void);
+
+/*
+ * The function crypto_kernel_stats() checks the the crypto_kernel,
+ * running tests on the ciphers, auth funcs, and rng, and prints out a
+ * status report. Possible return values are:
+ *
+ * err_status_ok all tests were passed
+ * <other> a test failed
+ *
+ */
+
+err_status_t
+crypto_kernel_status(void);
+
+
+/*
+ * crypto_kernel_list_debug_modules() outputs a list of debugging modules
+ *
+ */
+
+err_status_t
+crypto_kernel_list_debug_modules(void);
+
+/*
+ * crypto_kernel_load_cipher_type()
+ *
+ */
+
+err_status_t
+crypto_kernel_load_cipher_type(cipher_type_t *ct, cipher_type_id_t id);
+
+err_status_t
+crypto_kernel_load_auth_type(auth_type_t *ct, auth_type_id_t id);
+
+err_status_t
+crypto_kernel_load_debug_module(debug_module_t *new_dm);
+
+/*
+ * crypto_kernel_alloc_cipher(id, cp, key_len);
+ *
+ * allocates a cipher of type id at location *cp, with key length
+ * key_len octets. Return values are:
+ *
+ * err_status_ok no problems
+ * err_status_alloc_fail an allocation failure occured
+ * err_status_fail couldn't find cipher with identifier 'id'
+ */
+
+err_status_t
+crypto_kernel_alloc_cipher(cipher_type_id_t id,
+ cipher_pointer_t *cp,
+ int key_len);
+
+/*
+ * crypto_kernel_alloc_auth(id, ap, key_len, tag_len);
+ *
+ * allocates an auth function of type id at location *ap, with key
+ * length key_len octets and output tag length of tag_len. Return
+ * values are:
+ *
+ * err_status_ok no problems
+ * err_status_alloc_fail an allocation failure occured
+ * err_status_fail couldn't find auth with identifier 'id'
+ */
+
+err_status_t
+crypto_kernel_alloc_auth(auth_type_id_t id,
+ auth_pointer_t *ap,
+ int key_len,
+ int tag_len);
+
+
+/*
+ * crypto_kernel_set_debug_module(mod_name, v)
+ *
+ * sets dynamic debugging to the value v (0 for off, 1 for on) for the
+ * debug module with the name mod_name
+ *
+ * returns err_status_ok on success, err_status_fail otherwise
+ */
+
+err_status_t
+crypto_kernel_set_debug_module(char *mod_name, int v);
+
+/**
+ * @brief writes a random octet string.
+ *
+ * The function call crypto_get_random(dest, len) writes len octets of
+ * random data to the location to which dest points, and returns an
+ * error code. This error code @b must be checked, and if a failure is
+ * reported, the data in the buffer @b must @b not be used.
+ *
+ * @warning If the return code is not checked, then non-random
+ * data may be in the buffer. This function will fail
+ * unless it is called after crypto_kernel_init().
+ *
+ * @return
+ * - err_status_ok if no problems occured.
+ * - [other] a problem occured, and no assumptions should
+ * be made about the contents of the destination
+ * buffer.
+ *
+ * @ingroup SRTP
+ */
+err_status_t
+crypto_get_random(unsigned char *buffer, unsigned int length);
+
+#endif /* CRYPTO_KERNEL */
diff --git a/crypto/include/crypto_math.h b/crypto/include/crypto_math.h
new file mode 100644
index 0000000..52f0837
--- /dev/null
+++ b/crypto/include/crypto_math.h
@@ -0,0 +1,239 @@
+/*
+ * math.h
+ *
+ * crypto math operations and data types
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef MATH_H
+#define MATH_H
+
+#include "datatypes.h"
+
+unsigned char
+v32_weight(v32_t a);
+
+unsigned char
+v32_distance(v32_t x, v32_t y);
+
+unsigned int
+v32_dot_product(v32_t a, v32_t b);
+
+char *
+v16_bit_string(v16_t x);
+
+char *
+v32_bit_string(v32_t x);
+
+char *
+v64_bit_string(const v64_t *x);
+
+char *
+octet_hex_string(uint8_t x);
+
+char *
+v16_hex_string(v16_t x);
+
+char *
+v32_hex_string(v32_t x);
+
+char *
+v64_hex_string(const v64_t *x);
+
+int
+hex_char_to_nibble(uint8_t c);
+
+int
+is_hex_string(char *s);
+
+v16_t
+hex_string_to_v16(char *s);
+
+v32_t
+hex_string_to_v32(char *s);
+
+v64_t
+hex_string_to_v64(char *s);
+
+/* the matrix A[] is stored in column format, i.e., A[i] is
+ the ith column of the matrix */
+
+uint8_t
+A_times_x_plus_b(uint8_t A[8], uint8_t x, uint8_t b);
+
+void
+v16_copy_octet_string(v16_t *x, const uint8_t s[2]);
+
+void
+v32_copy_octet_string(v32_t *x, const uint8_t s[4]);
+
+void
+v64_copy_octet_string(v64_t *x, const uint8_t s[8]);
+
+void
+v128_add(v128_t *z, v128_t *x, v128_t *y);
+
+int
+octet_string_is_eq(uint8_t *a, uint8_t *b, int len);
+
+void
+octet_string_set_to_zero(uint8_t *s, int len);
+
+
+
+/*
+ * the matrix A[] is stored in column format, i.e., A[i] is the ith
+ * column of the matrix
+*/
+uint8_t
+A_times_x_plus_b(uint8_t A[8], uint8_t x, uint8_t b);
+
+
+#if 0
+#if WORDS_BIGENDIAN
+
+#define _v128_add(z, x, y) { \
+ uint64_t tmp; \
+ \
+ tmp = x->v32[3] + y->v32[3]; \
+ z->v32[3] = (uint32_t) tmp; \
+ \
+ tmp = x->v32[2] + y->v32[2] + (tmp >> 32); \
+ z->v32[2] = (uint32_t) tmp; \
+ \
+ tmp = x->v32[1] + y->v32[1] + (tmp >> 32); \
+ z->v32[1] = (uint32_t) tmp; \
+ \
+ tmp = x->v32[0] + y->v32[0] + (tmp >> 32); \
+ z->v32[0] = (uint32_t) tmp; \
+}
+
+#else /* assume little endian architecture */
+
+#define _v128_add(z, x, y) { \
+ uint64_t tmp; \
+ \
+ tmp = htonl(x->v32[3]) + htonl(y->v32[3]); \
+ z->v32[3] = ntohl((uint32_t) tmp); \
+ \
+ tmp = htonl(x->v32[2]) + htonl(y->v32[2]) \
+ + htonl(tmp >> 32); \
+ z->v32[2] = ntohl((uint32_t) tmp); \
+ \
+ tmp = htonl(x->v32[1]) + htonl(y->v32[1]) \
+ + htonl(tmp >> 32); \
+ z->v32[1] = ntohl((uint32_t) tmp); \
+ \
+ tmp = htonl(x->v32[0]) + htonl(y->v32[0]) \
+ + htonl(tmp >> 32); \
+ z->v32[0] = ntohl((uint32_t) tmp); \
+}
+
+#endif /* WORDS_BIGENDIAN */
+#endif
+
+#ifdef DATATYPES_USE_MACROS /* little functions are really macros */
+
+#define v128_set_to_zero(z) _v128_set_to_zero(z)
+#define v128_copy(z, x) _v128_copy(z, x)
+#define v128_xor(z, x, y) _v128_xor(z, x, y)
+#define v128_and(z, x, y) _v128_and(z, x, y)
+#define v128_or(z, x, y) _v128_or(z, x, y)
+#define v128_complement(x) _v128_complement(x)
+#define v128_is_eq(x, y) _v128_is_eq(x, y)
+#define v128_xor_eq(x, y) _v128_xor_eq(x, y)
+#define v128_get_bit(x, i) _v128_get_bit(x, i)
+#define v128_set_bit(x, i) _v128_set_bit(x, i)
+#define v128_clear_bit(x, i) _v128_clear_bit(x, i)
+#define v128_set_bit_to(x, i, y) _v128_set_bit_to(x, i, y)
+
+#else
+
+void
+v128_set_to_zero(v128_t *x);
+
+int
+v128_is_eq(const v128_t *x, const v128_t *y);
+
+void
+v128_copy(v128_t *x, const v128_t *y);
+
+void
+v128_xor(v128_t *z, v128_t *x, v128_t *y);
+
+void
+v128_and(v128_t *z, v128_t *x, v128_t *y);
+
+void
+v128_or(v128_t *z, v128_t *x, v128_t *y);
+
+void
+v128_complement(v128_t *x);
+
+int
+v128_get_bit(const v128_t *x, int i);
+
+void
+v128_set_bit(v128_t *x, int i) ;
+
+void
+v128_clear_bit(v128_t *x, int i);
+
+void
+v128_set_bit_to(v128_t *x, int i, int y);
+
+#endif /* DATATYPES_USE_MACROS */
+
+/*
+ * octet_string_is_eq(a,b, len) returns 1 if the length len strings a
+ * and b are not equal, returns 0 otherwise
+ */
+
+int
+octet_string_is_eq(uint8_t *a, uint8_t *b, int len);
+
+void
+octet_string_set_to_zero(uint8_t *s, int len);
+
+
+#endif /* MATH_H */
+
+
+
diff --git a/crypto/include/crypto_types.h b/crypto/include/crypto_types.h
new file mode 100644
index 0000000..0ce50f4
--- /dev/null
+++ b/crypto/include/crypto_types.h
@@ -0,0 +1,206 @@
+/*
+ * crypto_types.h
+ *
+ * constants for cipher types and auth func types
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef CRYPTO_TYPES_H
+#define CRYPTO_TYPES_H
+
+/**
+ * @defgroup Algos Cryptographic Algorithms
+ *
+ *
+ * This library provides several different cryptographic algorithms,
+ * each of which can be selected by using the cipher_type_id_t and
+ * auth_type_id_t. These algorithms are documented below.
+ *
+ * Authentication functions that use the Universal Security Transform
+ * (UST) must be used in conjunction with a cipher other than the null
+ * cipher. These functions require a per-message pseudorandom input
+ * that is generated by the cipher.
+ *
+ * The identifiers STRONGHOLD_AUTH and STRONGHOLD_CIPHER identify the
+ * strongest available authentication function and cipher,
+ * respectively. They are resolved at compile time to the strongest
+ * available algorithm. The stronghold algorithms can serve as did
+ * the keep of a medieval fortification; they provide the strongest
+ * defense (or the last refuge).
+ *
+ * @{
+ */
+
+/**
+ * @defgroup Ciphers Cipher Types
+ *
+ * @brief Each cipher type is identified by an unsigned integer. The
+ * cipher types available in this edition of libSRTP are given
+ * by the #defines below.
+ *
+ * A cipher_type_id_t is an identifier for a cipher_type; only values
+ * given by the #defines above (or those present in the file
+ * crypto_types.h) should be used.
+ *
+ * The identifier STRONGHOLD_CIPHER indicates the strongest available
+ * cipher, allowing an application to choose the strongest available
+ * algorithm without any advance knowledge about the avaliable
+ * algorithms.
+ *
+ * @{
+ */
+
+/**
+ * @brief The null cipher performs no encryption.
+ *
+ * The NULL_CIPHER leaves its inputs unaltered, during both the
+ * encryption and decryption operations. This cipher can be chosen
+ * to indicate that no encryption is to be performed.
+ */
+#define NULL_CIPHER 0
+
+/**
+ * @brief AES-128 Integer Counter Mode (AES ICM)
+ *
+ * AES-128 ICM is the variant of counter mode that is used by Secure RTP.
+ * This cipher uses a 16-octet key and a 30-octet offset (or salt) value.
+ */
+#define AES_128_ICM 1
+
+/**
+ * @brief SEAL 3.0
+ *
+ * SEAL is the Software-Optimized Encryption Algorithm of Coppersmith
+ * and Rogaway. Nota bene: this cipher is IBM proprietary.
+ */
+#define SEAL 2
+
+/**
+ * @brief AES-128 Integer Counter Mode (AES ICM)
+ *
+ * AES-128 ICM is the variant of counter mode that is used by Secure RTP.
+ * This cipher uses a 16-octet key and a 30-octet offset (or salt) value.
+ */
+#define AES_128_CBC 3
+
+/**
+ * @brief Strongest available cipher.
+ *
+ * This identifier resolves to the strongest cipher type available.
+ */
+#define STRONGHOLD_CIPHER AES_128_ICM
+
+/**
+ * @}
+ */
+
+
+
+/**
+ * @defgroup Authentication Authentication Function Types
+ *
+ * @brief Each authentication function type is identified by an
+ * unsigned integer. The authentication function types available in
+ * this edition of libSRTP are given by the #defines below.
+ *
+ * An auth_type_id_t is an identifier for an authentication function type;
+ * only values given by the #defines above (or those present in the
+ * file crypto_types.h) should be used.
+ *
+ * The identifier STRONGHOLD_AUTH indicates the strongest available
+ * authentication function, allowing an application to choose the
+ * strongest available algorithm without any advance knowledge about
+ * the avaliable algorithms. The stronghold algorithms can serve as
+ * did the keep of a medieval fortification; they provide the
+ * strongest defense (or the last refuge).
+ *
+ * @{
+ */
+
+/**
+ * @brief The null authentication function performs no authentication.
+ *
+ * The NULL_AUTH function does nothing, and can be selected to indicate
+ * that authentication should not be performed.
+ */
+#define NULL_AUTH 0
+
+/**
+ * @brief UST with TMMH Version 2
+ *
+ * UST_TMMHv2 implements the Truncated Multi-Modular Hash using
+ * UST. This function must be used in conjunction with a cipher other
+ * than the null cipher.
+ * with a cipher.
+ */
+#define UST_TMMHv2 1
+
+/**
+ * @brief (UST) AES-128 XORMAC
+ *
+ * UST_AES_128_XMAC implements AES-128 XORMAC, using UST. Nota bene:
+ * the XORMAC algorithm is IBM proprietary.
+ */
+#define UST_AES_128_XMAC 2
+
+/**
+ * @brief HMAC-SHA1
+ *
+ * HMAC_SHA1 implements the Hash-based MAC using the NIST Secure
+ * Hash Algorithm version 1 (SHA1).
+ */
+#define HMAC_SHA1 3
+
+/**
+ * @brief Strongest available authentication function.
+ *
+ * This identifier resolves to the strongest available authentication
+ * function.
+ */
+#define STRONGHOLD_AUTH HMAC_SHA1
+
+/**
+ * @}
+ */
+/**
+ * @}
+ */
+
+#endif /* CRYPTO_TYPES_H */
diff --git a/crypto/include/cryptoalg.h b/crypto/include/cryptoalg.h
new file mode 100644
index 0000000..d9f0441
--- /dev/null
+++ b/crypto/include/cryptoalg.h
@@ -0,0 +1,133 @@
+/*
+ * cryptoalg.h
+ *
+ * API for authenticated encryption crypto algorithms
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef CRYPTOALG_H
+#define CRYPTOALG_H
+
+#include "err.h"
+
+/**
+ * @defgroup Crypto Cryptography
+ *
+ * Zed uses a simple interface to a cryptographic transform.
+ *
+ * @{
+ */
+
+/**
+ * @brief applies a crypto algorithm
+ *
+ * The function pointer cryptoalg_func_t points to a function that
+ * implements a crypto transform, and provides a uniform API for
+ * accessing crypto mechanisms.
+ *
+ * @param key location of secret key
+ *
+ * @param clear data to be authenticated but not encrypted
+ *
+ * @param clear_len length of data to be authenticated but not encrypted
+ *
+ * @param iv location to write the Initialization Vector (IV)
+ *
+ * @param protect location of the data to be encrypted and
+ * authenticated (before the function call), and the ciphertext
+ * and authentication tag (after the call)
+ *
+ * @param protected_len location of the length of the data to be
+ * encrypted and authenticated (before the function call), and the
+ * length of the ciphertext (after the call)
+ *
+ */
+
+typedef err_status_t (*cryptoalg_func_t)
+ (void *key,
+ const void *clear,
+ unsigned clear_len,
+ void *iv,
+ void *protect,
+ unsigned *protected_len);
+
+typedef
+err_status_t (*cryptoalg_inv_t)
+ (void *key, /* location of secret key */
+ const void *clear, /* data to be authenticated only */
+ unsigned clear_len, /* length of data to be authenticated only */
+ void *iv, /* location of iv */
+ void *opaque, /* data to be decrypted and authenticated */
+ unsigned *opaque_len /* location of the length of data to be
+ * decrypted and authd (before and after)
+ */
+ );
+
+typedef struct cryptoalg_ctx_t {
+ cryptoalg_func_t enc;
+ cryptoalg_inv_t dec;
+ unsigned key_len;
+ unsigned iv_len;
+ unsigned auth_tag_len;
+ unsigned max_expansion;
+} cryptoalg_ctx_t;
+
+typedef cryptoalg_ctx_t *cryptoalg_t;
+
+#define cryptoalg_get_key_len(cryptoalg) ((cryptoalg)->key_len)
+
+#define cryptoalg_get_iv_len(cryptoalg) ((cryptoalg)->iv_len)
+
+#define cryptoalg_get_auth_tag_len(cryptoalg) ((cryptoalg)->auth_tag_len)
+
+int
+cryptoalg_get_id(cryptoalg_t c);
+
+cryptoalg_t
+cryptoalg_find_by_id(int id);
+
+
+/**
+ * @}
+ */
+
+#endif /* CRYPTOALG_H */
+
+
diff --git a/crypto/include/datatypes.h b/crypto/include/datatypes.h
new file mode 100644
index 0000000..f6ef3af
--- /dev/null
+++ b/crypto/include/datatypes.h
@@ -0,0 +1,506 @@
+/*
+ * datatypes.h
+ *
+ * data types for bit vectors and finite fields
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef _DATATYPES_H
+#define _DATATYPES_H
+
+#include "integers.h" /* definitions of uint32_t, et cetera */
+#include "alloc.h"
+
+#include <stdarg.h>
+
+#ifndef SRTP_KERNEL
+# include <stdio.h>
+# include <string.h>
+# include <time.h>
+# ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+# elif defined HAVE_WINSOCK2_H
+# include <winsock2.h>
+# endif
+#endif
+
+
+/* if DATATYPES_USE_MACROS is defined, then little functions are macros */
+#define DATATYPES_USE_MACROS
+
+typedef union {
+ uint8_t v8[2];
+ uint16_t value;
+} v16_t;
+
+typedef union {
+ uint8_t v8[4];
+ uint16_t v16[2];
+ uint32_t value;
+} v32_t;
+
+typedef union {
+ uint8_t v8[8];
+ uint16_t v16[4];
+ uint32_t v32[2];
+ uint64_t value;
+} v64_t;
+
+typedef union {
+ uint8_t v8[16];
+ uint16_t v16[8];
+ uint32_t v32[4];
+ uint64_t v64[2];
+} v128_t;
+
+
+
+/* some useful and simple math functions */
+
+#define pow_2(X) ( (unsigned int)1 << (X) ) /* 2^X */
+
+#define pow_minus_one(X) ( (X) ? -1 : 1 ) /* (-1)^X */
+
+
+/*
+ * octet_get_weight(x) returns the hamming weight (number of bits equal to
+ * one) in the octet x
+ */
+
+int
+octet_get_weight(uint8_t octet);
+
+char *
+octet_bit_string(uint8_t x);
+
+#define MAX_PRINT_STRING_LEN 1024
+
+char *
+octet_string_hex_string(const void *str, int length);
+
+char *
+v128_bit_string(v128_t *x);
+
+char *
+v128_hex_string(v128_t *x);
+
+uint8_t
+nibble_to_hex_char(uint8_t nibble);
+
+char *
+char_to_hex_string(char *x, int num_char);
+
+uint8_t
+hex_string_to_octet(char *s);
+
+/*
+ * hex_string_to_octet_string(raw, hex, len) converts the hexadecimal
+ * string at *hex (of length len octets) to the equivalent raw data
+ * and writes it to *raw.
+ *
+ * if a character in the hex string that is not a hexadeciaml digit
+ * (0123456789abcdefABCDEF) is encountered, the function stops writing
+ * data to *raw
+ *
+ * the number of hex digits copied (which is two times the number of
+ * octets in *raw) is returned
+ */
+
+int
+hex_string_to_octet_string(char *raw, char *hex, int len);
+
+v128_t
+hex_string_to_v128(char *s);
+
+void
+v128_copy_octet_string(v128_t *x, const uint8_t s[16]);
+
+void
+v128_left_shift(v128_t *x, int index);
+
+void
+v128_right_shift(v128_t *x, int index);
+
+/*
+ * the following macros define the data manipulation functions
+ *
+ * If DATATYPES_USE_MACROS is defined, then these macros are used
+ * directly (and function call overhead is avoided). Otherwise,
+ * the macros are used through the functions defined in datatypes.c
+ * (and the compiler provides better warnings).
+ */
+
+#define _v128_set_to_zero(x) \
+( \
+ (x)->v32[0] = 0, \
+ (x)->v32[1] = 0, \
+ (x)->v32[2] = 0, \
+ (x)->v32[3] = 0 \
+)
+
+#define _v128_copy(x, y) \
+( \
+ (x)->v32[0] = (y)->v32[0], \
+ (x)->v32[1] = (y)->v32[1], \
+ (x)->v32[2] = (y)->v32[2], \
+ (x)->v32[3] = (y)->v32[3] \
+)
+
+#define _v128_xor(z, x, y) \
+( \
+ (z)->v32[0] = (x)->v32[0] ^ (y)->v32[0], \
+ (z)->v32[1] = (x)->v32[1] ^ (y)->v32[1], \
+ (z)->v32[2] = (x)->v32[2] ^ (y)->v32[2], \
+ (z)->v32[3] = (x)->v32[3] ^ (y)->v32[3] \
+)
+
+#define _v128_and(z, x, y) \
+( \
+ (z)->v32[0] = (x)->v32[0] & (y)->v32[0], \
+ (z)->v32[1] = (x)->v32[1] & (y)->v32[1], \
+ (z)->v32[2] = (x)->v32[2] & (y)->v32[2], \
+ (z)->v32[3] = (x)->v32[3] & (y)->v32[3] \
+)
+
+#define _v128_or(z, x, y) \
+( \
+ (z)->v32[0] = (x)->v32[0] | (y)->v32[0], \
+ (z)->v32[1] = (x)->v32[1] | (y)->v32[1], \
+ (z)->v32[2] = (x)->v32[2] | (y)->v32[2], \
+ (z)->v32[3] = (x)->v32[3] | (y)->v32[3] \
+)
+
+#define _v128_complement(x) \
+( \
+ (x)->v32[0] = ~(x)->v32[0], \
+ (x)->v32[1] = ~(x)->v32[1], \
+ (x)->v32[2] = ~(x)->v32[2], \
+ (x)->v32[3] = ~(x)->v32[3] \
+)
+
+/* ok for NO_64BIT_MATH if it can compare uint64_t's (even as structures) */
+#define _v128_is_eq(x, y) \
+ (((x)->v64[0] == (y)->v64[0]) && ((x)->v64[1] == (y)->v64[1]))
+
+
+#ifdef NO_64BIT_MATH
+#define _v128_xor_eq(z, x) \
+( \
+ (z)->v32[0] ^= (x)->v32[0], \
+ (z)->v32[1] ^= (x)->v32[1], \
+ (z)->v32[2] ^= (x)->v32[2], \
+ (z)->v32[3] ^= (x)->v32[3] \
+)
+#else
+#define _v128_xor_eq(z, x) \
+( \
+ (z)->v64[0] ^= (x)->v64[0], \
+ (z)->v64[1] ^= (x)->v64[1] \
+)
+#endif
+
+/* NOTE! This assumes an odd ordering! */
+/* This will not be compatible directly with math on some processors */
+/* bit 0 is first 32-bit word, low order bit. in little-endian, that's
+ the first byte of the first 32-bit word. In big-endian, that's
+ the 3rd byte of the first 32-bit word */
+/* The get/set bit code is used by the replay code ONLY, and it doesn't
+ really care which bit is which. AES does care which bit is which, but
+ doesn't use the 128-bit get/set or 128-bit shifts */
+
+#define _v128_get_bit(x, bit) \
+( \
+ ((((x)->v32[(bit) >> 5]) >> ((bit) & 31)) & 1) \
+)
+
+#define _v128_set_bit(x, bit) \
+( \
+ (((x)->v32[(bit) >> 5]) |= ((uint32_t)1 << ((bit) & 31))) \
+)
+
+#define _v128_clear_bit(x, bit) \
+( \
+ (((x)->v32[(bit) >> 5]) &= ~((uint32_t)1 << ((bit) & 31))) \
+)
+
+#define _v128_set_bit_to(x, bit, value) \
+( \
+ (value) ? _v128_set_bit(x, bit) : \
+ _v128_clear_bit(x, bit) \
+)
+
+
+#if 0
+/* nothing uses this */
+#ifdef WORDS_BIGENDIAN
+
+#define _v128_add(z, x, y) { \
+ uint64_t tmp; \
+ \
+ tmp = x->v32[3] + y->v32[3]; \
+ z->v32[3] = (uint32_t) tmp; \
+ \
+ tmp = x->v32[2] + y->v32[2] + (tmp >> 32); \
+ z->v32[2] = (uint32_t) tmp; \
+ \
+ tmp = x->v32[1] + y->v32[1] + (tmp >> 32); \
+ z->v32[1] = (uint32_t) tmp; \
+ \
+ tmp = x->v32[0] + y->v32[0] + (tmp >> 32); \
+ z->v32[0] = (uint32_t) tmp; \
+}
+
+#else /* assume little endian architecture */
+
+#define _v128_add(z, x, y) { \
+ uint64_t tmp; \
+ \
+ tmp = htonl(x->v32[3]) + htonl(y->v32[3]); \
+ z->v32[3] = ntohl((uint32_t) tmp); \
+ \
+ tmp = htonl(x->v32[2]) + htonl(y->v32[2]) \
+ + htonl(tmp >> 32); \
+ z->v32[2] = ntohl((uint32_t) tmp); \
+ \
+ tmp = htonl(x->v32[1]) + htonl(y->v32[1]) \
+ + htonl(tmp >> 32); \
+ z->v32[1] = ntohl((uint32_t) tmp); \
+ \
+ tmp = htonl(x->v32[0]) + htonl(y->v32[0]) \
+ + htonl(tmp >> 32); \
+ z->v32[0] = ntohl((uint32_t) tmp); \
+}
+#endif /* WORDS_BIGENDIAN */
+#endif /* 0 */
+
+
+#ifdef DATATYPES_USE_MACROS /* little functions are really macros */
+
+#define v128_set_to_zero(z) _v128_set_to_zero(z)
+#define v128_copy(z, x) _v128_copy(z, x)
+#define v128_xor(z, x, y) _v128_xor(z, x, y)
+#define v128_and(z, x, y) _v128_and(z, x, y)
+#define v128_or(z, x, y) _v128_or(z, x, y)
+#define v128_complement(x) _v128_complement(x)
+#define v128_is_eq(x, y) _v128_is_eq(x, y)
+#define v128_xor_eq(x, y) _v128_xor_eq(x, y)
+#define v128_get_bit(x, i) _v128_get_bit(x, i)
+#define v128_set_bit(x, i) _v128_set_bit(x, i)
+#define v128_clear_bit(x, i) _v128_clear_bit(x, i)
+#define v128_set_bit_to(x, i, y) _v128_set_bit_to(x, i, y)
+
+#else
+
+void
+v128_set_to_zero(v128_t *x);
+
+int
+v128_is_eq(const v128_t *x, const v128_t *y);
+
+void
+v128_copy(v128_t *x, const v128_t *y);
+
+void
+v128_xor(v128_t *z, v128_t *x, v128_t *y);
+
+void
+v128_and(v128_t *z, v128_t *x, v128_t *y);
+
+void
+v128_or(v128_t *z, v128_t *x, v128_t *y);
+
+void
+v128_complement(v128_t *x);
+
+int
+v128_get_bit(const v128_t *x, int i);
+
+void
+v128_set_bit(v128_t *x, int i) ;
+
+void
+v128_clear_bit(v128_t *x, int i);
+
+void
+v128_set_bit_to(v128_t *x, int i, int y);
+
+#endif /* DATATYPES_USE_MACROS */
+
+/*
+ * octet_string_is_eq(a,b, len) returns 1 if the length len strings a
+ * and b are not equal, returns 0 otherwise
+ */
+
+int
+octet_string_is_eq(uint8_t *a, uint8_t *b, int len);
+
+void
+octet_string_set_to_zero(uint8_t *s, int len);
+
+
+#ifndef SRTP_KERNEL_LINUX
+
+/*
+ * Convert big endian integers to CPU byte order.
+ */
+#ifdef WORDS_BIGENDIAN
+/* Nothing to do. */
+# define be32_to_cpu(x) (x)
+# define be64_to_cpu(x) (x)
+#elif defined(HAVE_BYTESWAP_H)
+/* We have (hopefully) optimized versions in byteswap.h */
+# include <byteswap.h>
+# define be32_to_cpu(x) bswap_32((x))
+# define be64_to_cpu(x) bswap_64((x))
+#else
+
+#if defined(__GNUC__) && defined(HAVE_X86)
+/* Fall back. */
+static inline uint32_t be32_to_cpu(uint32_t v) {
+ /* optimized for x86. */
+ asm("bswap %0" : "=r" (v) : "0" (v));
+ return v;
+}
+# else /* HAVE_X86 */
+# ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+# elif defined HAVE_WINSOCK2_H
+# include <winsock2.h>
+# endif
+# define be32_to_cpu(x) ntohl((x))
+# endif /* HAVE_X86 */
+
+static inline uint64_t be64_to_cpu(uint64_t v) {
+# ifdef NO_64BIT_MATH
+ /* use the make64 functions to do 64-bit math */
+ v = make64(htonl(low32(v)),htonl(high32(v)));
+# else
+ /* use the native 64-bit math */
+ v= (uint64_t)((be32_to_cpu((uint32_t)(v >> 32))) | (((uint64_t)be32_to_cpu((uint32_t)v)) << 32));
+# endif
+ return v;
+}
+
+#endif /* ! SRTP_KERNEL_LINUX */
+
+#endif /* WORDS_BIGENDIAN */
+
+/*
+ * functions manipulating bitvector_t
+ *
+ * A bitvector_t consists of an array of words and an integer
+ * representing the number of significant bits stored in the array.
+ * The bits are packed as follows: the least significant bit is that
+ * of word[0], while the most significant bit is the nth most
+ * significant bit of word[m], where length = bits_per_word * m + n.
+ *
+ */
+
+#define bits_per_word 32
+#define bytes_per_word 4
+
+typedef struct {
+ uint32_t length;
+ uint32_t *word;
+} bitvector_t;
+
+
+#define _bitvector_get_bit(v, bit_index) \
+( \
+ ((((v)->word[((bit_index) >> 5)]) >> ((bit_index) & 31)) & 1) \
+)
+
+
+#define _bitvector_set_bit(v, bit_index) \
+( \
+ (((v)->word[((bit_index) >> 5)] |= ((uint32_t)1 << ((bit_index) & 31)))) \
+)
+
+#define _bitvector_clear_bit(v, bit_index) \
+( \
+ (((v)->word[((bit_index) >> 5)] &= ~((uint32_t)1 << ((bit_index) & 31)))) \
+)
+
+#define _bitvector_get_length(v) \
+( \
+ ((v)->length) \
+)
+
+#ifdef DATATYPES_USE_MACROS /* little functions are really macros */
+
+#define bitvector_get_bit(v, bit_index) _bitvector_get_bit(v, bit_index)
+#define bitvector_set_bit(v, bit_index) _bitvector_set_bit(v, bit_index)
+#define bitvector_clear_bit(v, bit_index) _bitvector_clear_bit(v, bit_index)
+#define bitvector_get_length(v) _bitvector_get_length(v)
+
+#else
+
+int
+bitvector_get_bit(const bitvector_t *v, int bit_index);
+
+void
+bitvector_set_bit(bitvector_t *v, int bit_index);
+
+void
+bitvector_clear_bit(bitvector_t *v, int bit_index);
+
+unsigned long
+bitvector_get_length(const bitvector_t *v);
+
+#endif
+
+int
+bitvector_alloc(bitvector_t *v, unsigned long length);
+
+void
+bitvector_dealloc(bitvector_t *v);
+
+void
+bitvector_set_to_zero(bitvector_t *x);
+
+void
+bitvector_left_shift(bitvector_t *x, int index);
+
+char *
+bitvector_bit_string(bitvector_t *x, char* buf, int len);
+
+#endif /* _DATATYPES_H */
diff --git a/crypto/include/err.h b/crypto/include/err.h
new file mode 100644
index 0000000..1a6e170
--- /dev/null
+++ b/crypto/include/err.h
@@ -0,0 +1,174 @@
+/*
+ * err.h
+ *
+ * error status codes
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef ERR_H
+#define ERR_H
+
+#include "datatypes.h"
+
+/**
+ * @defgroup Error Error Codes
+ *
+ * Error status codes are represented by the enumeration err_status_t.
+ *
+ * @{
+ */
+
+
+/*
+ * @brief err_status_t defines error codes.
+ *
+ * The enumeration err_status_t defines error codes. Note that the
+ * value of err_status_ok is equal to zero, which can simplify error
+ * checking somewhat.
+ *
+ */
+typedef enum {
+ err_status_ok = 0, /**< nothing to report */
+ err_status_fail = 1, /**< unspecified failure */
+ err_status_bad_param = 2, /**< unsupported parameter */
+ err_status_alloc_fail = 3, /**< couldn't allocate memory */
+ err_status_dealloc_fail = 4, /**< couldn't deallocate properly */
+ err_status_init_fail = 5, /**< couldn't initialize */
+ err_status_terminus = 6, /**< can't process as much data as requested */
+ err_status_auth_fail = 7, /**< authentication failure */
+ err_status_cipher_fail = 8, /**< cipher failure */
+ err_status_replay_fail = 9, /**< replay check failed (bad index) */
+ err_status_replay_old = 10, /**< replay check failed (index too old) */
+ err_status_algo_fail = 11, /**< algorithm failed test routine */
+ err_status_no_such_op = 12, /**< unsupported operation */
+ err_status_no_ctx = 13, /**< no appropriate context found */
+ err_status_cant_check = 14, /**< unable to perform desired validation */
+ err_status_key_expired = 15, /**< can't use key any more */
+ err_status_socket_err = 16, /**< error in use of socket */
+ err_status_signal_err = 17, /**< error in use POSIX signals */
+ err_status_nonce_bad = 18, /**< nonce check failed */
+ err_status_read_fail = 19, /**< couldn't read data */
+ err_status_write_fail = 20, /**< couldn't write data */
+ err_status_parse_err = 21, /**< error pasring data */
+ err_status_encode_err = 22, /**< error encoding data */
+ err_status_semaphore_err = 23,/**< error while using semaphores */
+ err_status_pfkey_err = 24 /**< error while using pfkey */
+} err_status_t;
+
+/**
+ * @}
+ */
+
+typedef enum {
+ err_level_emergency = 0,
+ err_level_alert,
+ err_level_critical,
+ err_level_error,
+ err_level_warning,
+ err_level_notice,
+ err_level_info,
+ err_level_debug,
+ err_level_none
+} err_reporting_level_t;
+
+/*
+ * err_reporting_init prepares the error system. If
+ * ERR_REPORTING_SYSLOG is defined, it will open syslog.
+ *
+ * The ident argument is a string that will be prepended to
+ * all syslog messages. It is conventionally argv[0].
+ */
+
+err_status_t
+err_reporting_init(char *ident);
+
+#ifdef SRTP_KERNEL_LINUX
+extern err_reporting_level_t err_level;
+#else
+
+/*
+ * keydaemon_report_error reports a 'printf' formatted error
+ * string, followed by a an arg list. The priority argument
+ * is equivalent to that defined for syslog.
+ *
+ * Errors will be reported to ERR_REPORTING_FILE, if defined, and to
+ * syslog, if ERR_REPORTING_SYSLOG is defined.
+ *
+ */
+
+void
+err_report(int priority, char *format, ...);
+#endif /* ! SRTP_KERNEL_LINUX */
+
+
+/*
+ * debug_module_t defines a debug module
+ */
+
+typedef struct {
+ int on; /* 1 if debugging is on, 0 if it is off */
+ char *name; /* printable name for debug module */
+} debug_module_t;
+
+#ifdef ENABLE_DEBUGGING
+
+#define debug_on(mod) (mod).on = 1
+
+#define debug_off(mod) (mod).on = 0
+
+/* use err_report() to report debug message */
+#define debug_print(mod, format, arg) \
+ if (mod.on) err_report(err_level_debug, ("%s: " format "\n"), mod.name, arg)
+#define debug_print2(mod, format, arg1,arg2) \
+ if (mod.on) err_report(err_level_debug, ("%s: " format "\n"), mod.name, arg1,arg2)
+
+#else
+
+/* define macros to do nothing */
+#define debug_print(mod, format, arg)
+
+#define debug_on(mod)
+
+#define debug_off(mod)
+
+#endif
+
+#endif /* ERR_H */
diff --git a/crypto/include/gf2_8.h b/crypto/include/gf2_8.h
new file mode 100644
index 0000000..098d37c
--- /dev/null
+++ b/crypto/include/gf2_8.h
@@ -0,0 +1,79 @@
+/*
+ * gf2_8.h
+ *
+ * GF(256) implementation
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef GF2_8_H
+#define GF2_8_H
+
+#include "datatypes.h" /* for uint8_t definition */
+
+typedef uint8_t gf2_8;
+
+#define gf2_8_field_polynomial 0x1B
+
+/*
+ * gf2_8_shift(x) returns
+ */
+
+/*
+ * gf2_8_shift(z) returns the result of the GF(2^8) 'multiply by x'
+ * operation, using the field representation from AES; that is, the
+ * next gf2_8 value in the cyclic representation of that field. The
+ * value z should be an uint8_t.
+ */
+
+#define gf2_8_shift(z) (((z) & 128) ? \
+ (((z) << 1) ^ gf2_8_field_polynomial) : ((z) << 1))
+
+gf2_8
+gf2_8_compute_inverse(gf2_8 x);
+
+void
+test_gf2_8(void);
+
+gf2_8
+gf2_8_multiply(gf2_8 x, gf2_8 y);
+
+#endif /* GF2_8_H */
diff --git a/crypto/include/hmac.h b/crypto/include/hmac.h
new file mode 100644
index 0000000..262c0e2
--- /dev/null
+++ b/crypto/include/hmac.h
@@ -0,0 +1,78 @@
+/*
+ * hmac.h
+ *
+ * interface to hmac auth_type_t
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ */
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef HMAC_H
+#define HMAC_H
+
+#include "auth.h"
+#include "sha1.h"
+
+typedef struct {
+ uint8_t opad[64];
+ sha1_ctx_t ctx;
+ sha1_ctx_t init_ctx;
+} hmac_ctx_t;
+
+err_status_t
+hmac_alloc(auth_t **a, int key_len, int out_len);
+
+err_status_t
+hmac_dealloc(auth_t *a);
+
+err_status_t
+hmac_init(hmac_ctx_t *state, const uint8_t *key, int key_len);
+
+err_status_t
+hmac_start(hmac_ctx_t *state);
+
+err_status_t
+hmac_update(hmac_ctx_t *state, const uint8_t *message, int msg_octets);
+
+err_status_t
+hmac_compute(hmac_ctx_t *state, const void *message,
+ int msg_octets, int tag_len, uint8_t *result);
+
+
+#endif /* HMAC_H */
diff --git a/crypto/include/integers.h b/crypto/include/integers.h
new file mode 100644
index 0000000..3515d13
--- /dev/null
+++ b/crypto/include/integers.h
@@ -0,0 +1,146 @@
+/*
+ * integers.h
+ *
+ * defines integer types (or refers to their definitions)
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef INTEGERS_H
+#define INTEGERS_H
+
+#include "config.h" /* configuration file, using autoconf */
+
+#ifdef SRTP_KERNEL
+
+#include "kernel_compat.h"
+
+#else /* SRTP_KERNEL */
+
+/* use standard integer definitions, if they're available */
+#ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+#endif
+#ifdef HAVE_STDINT_H
+# include <stdint.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_INT_TYPES_H
+# include <sys/int_types.h> /* this exists on Sun OS */
+#endif
+#ifdef HAVE_MACHINE_TYPES_H
+# include <machine/types.h>
+#endif
+
+/* Can we do 64 bit integers? */
+#ifndef HAVE_UINT64_T
+# if SIZEOF_UNSIGNED_LONG == 8
+typedef unsigned long uint64_t;
+# elif SIZEOF_UNSIGNED_LONG_LONG == 8
+typedef unsigned long long uint64_t;
+# else
+# define NO_64BIT_MATH 1
+# endif
+#endif
+
+/* Reasonable defaults for 32 bit machines - you may need to
+ * edit these definitions for your own machine. */
+#ifndef HAVE_UINT8_T
+typedef unsigned char uint8_t;
+#endif
+#ifndef HAVE_UINT16_T
+typedef unsigned short int uint16_t;
+#endif
+#ifndef HAVE_UINT32_T
+typedef unsigned int uint32_t;
+#endif
+
+#ifdef NO_64BIT_MATH
+typedef double uint64_t;
+/* assert that sizeof(double) == 8 */
+extern uint64_t make64(uint32_t high, uint32_t low);
+extern uint32_t high32(uint64_t value);
+extern uint32_t low32(uint64_t value);
+#endif
+
+#endif /* SRTP_KERNEL */
+
+/* These macros are to load and store 32-bit values from un-aligned
+ addresses. This is required for processors that do not allow unaligned
+ loads. */
+#ifdef ALIGNMENT_32BIT_REQUIRED
+/* Note that if it's in a variable, you can memcpy it */
+#ifdef WORDS_BIGENDIAN
+#define PUT_32(addr,value) \
+ { \
+ ((unsigned char *) (addr))[0] = (value >> 24); \
+ ((unsigned char *) (addr))[1] = (value >> 16) & 0xff; \
+ ((unsigned char *) (addr))[2] = (value >> 8) & 0xff; \
+ ((unsigned char *) (addr))[3] = (value) & 0xff; \
+ }
+#define GET_32(addr) ((((unsigned char *) (addr))[0] << 24) | \
+ (((unsigned char *) (addr))[1] << 16) | \
+ (((unsigned char *) (addr))[2] << 8) | \
+ (((unsigned char *) (addr))[3]))
+#else
+#define PUT_32(addr,value) \
+ { \
+ ((unsigned char *) (addr))[3] = (value >> 24); \
+ ((unsigned char *) (addr))[2] = (value >> 16) & 0xff; \
+ ((unsigned char *) (addr))[1] = (value >> 8) & 0xff; \
+ ((unsigned char *) (addr))[0] = (value) & 0xff; \
+ }
+#define GET_32(addr) ((((unsigned char *) (addr))[3] << 24) | \
+ (((unsigned char *) (addr))[2] << 16) | \
+ (((unsigned char *) (addr))[1] << 8) | \
+ (((unsigned char *) (addr))[0]))
+#endif // WORDS_BIGENDIAN
+#else
+#define PUT_32(addr,value) *(((uint32_t *) (addr)) = (value)
+#define GET_32(addr) (*(((uint32_t *) (addr)))
+#endif
+
+#endif /* INTEGERS_H */
diff --git a/crypto/include/kernel_compat.h b/crypto/include/kernel_compat.h
new file mode 100644
index 0000000..59d1898
--- /dev/null
+++ b/crypto/include/kernel_compat.h
@@ -0,0 +1,84 @@
+/*
+ * kernel_compat.h
+ *
+ * Compatibility stuff for building in kernel context where standard
+ * C headers and library are not available.
+ *
+ * Marcus Sundberg
+ * Ingate Systems AB
+ */
+/*
+ *
+ * Copyright(c) 2005 Ingate Systems AB
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the author(s) nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef KERNEL_COMPAT_H
+#define KERNEL_COMPAT_H
+
+#ifdef SRTP_KERNEL_LINUX
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/sched.h>
+#include <linux/random.h>
+#include <linux/byteorder/generic.h>
+
+
+#define err_report(priority, ...) \
+ do {\
+ if (priority <= err_level) {\
+ printk(__VA_ARGS__);\
+ }\
+ }while(0)
+
+#define clock() (jiffies)
+#define time(x) (jiffies)
+
+/* rand() implementation. */
+#define RAND_MAX 32767
+
+static inline int rand(void)
+{
+ uint32_t temp;
+ get_random_bytes(&temp, sizeof(temp));
+ return temp % (RAND_MAX+1);
+}
+
+/* stdio/stdlib implementation. */
+#define printf(...) printk(__VA_ARGS__)
+#define exit(n) panic("%s:%d: exit(%d)\n", __FILE__, __LINE__, (n))
+
+#endif /* SRTP_KERNEL_LINUX */
+
+#endif /* KERNEL_COMPAT_H */
diff --git a/crypto/include/key.h b/crypto/include/key.h
new file mode 100644
index 0000000..e7e0744
--- /dev/null
+++ b/crypto/include/key.h
@@ -0,0 +1,82 @@
+/*
+ * key.h
+ *
+ * key usage limits enforcement
+ *
+ * David A. Mcgrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef KEY_H
+#define KEY_H
+
+#include "rdbx.h" /* for xtd_seq_num_t */
+#include "err.h"
+
+typedef struct key_limit_ctx_t *key_limit_t;
+
+typedef enum {
+ key_event_normal,
+ key_event_soft_limit,
+ key_event_hard_limit
+} key_event_t;
+
+err_status_t
+key_limit_set(key_limit_t key, const xtd_seq_num_t s);
+
+err_status_t
+key_limit_clone(key_limit_t original, key_limit_t *new_key);
+
+err_status_t
+key_limit_check(const key_limit_t key);
+
+key_event_t
+key_limit_update(key_limit_t key);
+
+typedef enum {
+ key_state_normal,
+ key_state_past_soft_limit,
+ key_state_expired
+} key_state_t;
+
+typedef struct key_limit_ctx_t {
+ xtd_seq_num_t num_left;
+ key_state_t state;
+} key_limit_ctx_t;
+
+#endif /* KEY_H */
diff --git a/crypto/include/null_auth.h b/crypto/include/null_auth.h
new file mode 100644
index 0000000..44f9a4a
--- /dev/null
+++ b/crypto/include/null_auth.h
@@ -0,0 +1,68 @@
+/*
+ * null-auth.h
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef NULL_AUTH_H
+#define NULL_AUTH_H
+
+#include "auth.h"
+
+typedef struct {
+ char foo;
+} null_auth_ctx_t;
+
+err_status_t
+null_auth_alloc(auth_t **a, int key_len, int out_len);
+
+err_status_t
+null_auth_dealloc(auth_t *a);
+
+err_status_t
+null_auth_init(null_auth_ctx_t *state, const uint8_t *key, int key_len);
+
+err_status_t
+null_auth_compute (null_auth_ctx_t *state, uint8_t *message,
+ int msg_octets, int tag_len, uint8_t *result);
+
+
+#endif /* NULL_AUTH_H */
diff --git a/crypto/include/null_cipher.h b/crypto/include/null_cipher.h
new file mode 100644
index 0000000..7d6bbdd
--- /dev/null
+++ b/crypto/include/null_cipher.h
@@ -0,0 +1,80 @@
+/*
+ * null-cipher.h
+ *
+ * header file for the null cipher
+ *
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef NULL_CIPHER_H
+#define NULL_CIPHER_H
+
+#include "datatypes.h"
+#include "cipher.h"
+
+typedef struct {
+ char foo ;/* empty, for now */
+} null_cipher_ctx_t;
+
+
+/*
+ * none of these functions do anything (though future versions may keep
+ * track of bytes encrypted, number of instances, and/or other info).
+ */
+
+err_status_t
+null_cipher_init(null_cipher_ctx_t *c, const uint8_t *key);
+
+err_status_t
+null_cipher_set_segment(null_cipher_ctx_t *c,
+ unsigned long index);
+
+err_status_t
+null_cipher_encrypt(null_cipher_ctx_t *c,
+ unsigned char *buf, unsigned int *bytes_to_encr);
+
+
+err_status_t
+null_cipher_encrypt_aligned(null_cipher_ctx_t *c,
+ unsigned char *buf, int bytes_to_encr);
+
+#endif /* NULL_CIPHER_H */
diff --git a/crypto/include/prng.h b/crypto/include/prng.h
new file mode 100644
index 0000000..fb96b5e
--- /dev/null
+++ b/crypto/include/prng.h
@@ -0,0 +1,54 @@
+/*
+ * prng.h
+ *
+ * pseudorandom source
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+#ifndef PRNG_H
+#define PRNG_H
+
+#include "rand_source.h" /* for rand_source_func_t definition */
+#include "aes.h" /* for aes */
+#include "aes_icm.h" /* for aes ctr */
+
+#define MAX_PRNG_OUT_LEN 0xffffffffU
+
+/*
+ * x917_prng is an ANSI X9.17-like AES-based PRNG
+ */
+
+typedef struct {
+ v128_t state; /* state data */
+ aes_expanded_key_t key; /* secret key */
+ uint32_t octet_count; /* number of octets output since last init */
+ rand_source_func_t rand; /* random source for re-initialization */
+} x917_prng_t;
+
+err_status_t
+x917_prng_init(rand_source_func_t random_source);
+
+err_status_t
+x917_prng_get_octet_string(uint8_t *dest, uint32_t len);
+
+
+/*
+ * ctr_prng is an AES-CTR based PRNG
+ */
+
+typedef struct {
+ uint32_t octet_count; /* number of octets output since last init */
+ aes_icm_ctx_t state; /* state data */
+ rand_source_func_t rand; /* random source for re-initialization */
+} ctr_prng_t;
+
+err_status_t
+ctr_prng_init(rand_source_func_t random_source);
+
+err_status_t
+ctr_prng_get_octet_string(void *dest, uint32_t len);
+
+
+#endif
diff --git a/crypto/include/rand_source.h b/crypto/include/rand_source.h
new file mode 100644
index 0000000..b4c2110
--- /dev/null
+++ b/crypto/include/rand_source.h
@@ -0,0 +1,91 @@
+/*
+ * rand_source.h
+ *
+ * implements a random source based on /dev/random
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef RAND_SOURCE
+#define RAND_SOURCE
+
+#include "err.h"
+#include "datatypes.h"
+
+err_status_t
+rand_source_init(void);
+
+/*
+ * rand_source_get_octet_string() writes a random octet string.
+ *
+ * The function call rand_source_get_octet_string(dest, len) writes
+ * len octets of random data to the location to which dest points,
+ * and returns an error code. This error code should be checked,
+ * and if a failure is reported, the data in the buffer MUST NOT
+ * be used.
+ *
+ * warning: If the return code is not checked, then non-random
+ * data may inadvertently be used.
+ *
+ * returns:
+ * - err_status_ok if no problems occured.
+ * - [other] a problem occured, and no assumptions should
+ * be made about the contents of the destination
+ * buffer.
+ */
+
+err_status_t
+rand_source_get_octet_string(void *dest, uint32_t length);
+
+err_status_t
+rand_source_deinit(void);
+
+/*
+ * function prototype for a random source function
+ *
+ * A rand_source_func_t writes num_octets at the location indicated by
+ * dest and returns err_status_ok. Any other return value indicates
+ * failure.
+ */
+
+typedef err_status_t (*rand_source_func_t)
+ (void *dest, uint32_t num_octets);
+
+#endif /* RAND_SOURCE */
diff --git a/crypto/include/rdb.h b/crypto/include/rdb.h
new file mode 100644
index 0000000..5a26c5e
--- /dev/null
+++ b/crypto/include/rdb.h
@@ -0,0 +1,94 @@
+/*
+ * replay-database.h
+ *
+ * interface for a replay database for packet security
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+
+#ifndef REPLAY_DB_H
+#define REPLAY_DB_H
+
+#include "integers.h" /* for uint32_t */
+#include "datatypes.h" /* for v128_t */
+#include "err.h" /* for err_status_t */
+
+/*
+ * if the ith least significant bit is one, then the packet index
+ * window_end-i is in the database
+ */
+
+typedef struct {
+ uint32_t window_start; /* packet index of the first bit in bitmask */
+ v128_t bitmask;
+} rdb_t;
+
+#define rdb_bits_in_bitmask (8*sizeof(v128_t))
+
+/*
+ * rdb init
+ *
+ * initalizes rdb
+ *
+ * returns err_status_ok on success, err_status_t_fail otherwise
+ */
+
+err_status_t
+rdb_init(rdb_t *rdb);
+
+
+/*
+ * rdb_check
+ *
+ * checks to see if index appears in rdb
+ *
+ * returns err_status_fail if the index already appears in rdb,
+ * returns err_status_ok otherwise
+ */
+
+err_status_t
+rdb_check(const rdb_t *rdb, uint32_t index);
+
+/*
+ * rdb_add_index
+ *
+ * adds index to rdb_t (and does *not* check if index appears in db)
+ *
+ * returns err_status_ok on success, err_status_fail otherwise
+ *
+ */
+
+err_status_t
+rdb_add_index(rdb_t *rdb, uint32_t index);
+
+/*
+ * the functions rdb_increment() and rdb_get_value() are for use by
+ * senders, not receivers - DO NOT use these functions on the same
+ * rdb_t upon which rdb_add_index is used!
+ */
+
+
+/*
+ * rdb_increment(db) increments the sequence number in db, if it is
+ * not too high
+ *
+ * return values:
+ *
+ * err_status_ok no problem
+ * err_status_key_expired sequence number too high
+ *
+ */
+err_status_t
+rdb_increment(rdb_t *rdb);
+
+/*
+ * rdb_get_value(db) returns the current sequence number of db
+ */
+
+uint32_t
+rdb_get_value(const rdb_t *rdb);
+
+
+#endif /* REPLAY_DB_H */
diff --git a/crypto/include/rdbx.h b/crypto/include/rdbx.h
new file mode 100644
index 0000000..1e581d1
--- /dev/null
+++ b/crypto/include/rdbx.h
@@ -0,0 +1,186 @@
+/*
+ * rdbx.h
+ *
+ * replay database with extended packet indices, using a rollover counter
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ */
+
+#ifndef RDBX_H
+#define RDBX_H
+
+#include "datatypes.h"
+#include "err.h"
+
+/* #define ROC_TEST */
+
+#ifndef ROC_TEST
+
+typedef uint16_t sequence_number_t; /* 16 bit sequence number */
+typedef uint32_t rollover_counter_t; /* 32 bit rollover counter */
+
+#else /* use small seq_num and roc datatypes for testing purposes */
+
+typedef unsigned char sequence_number_t; /* 8 bit sequence number */
+typedef uint16_t rollover_counter_t; /* 16 bit rollover counter */
+
+#endif
+
+#define seq_num_median (1 << (8*sizeof(sequence_number_t) - 1))
+#define seq_num_max (1 << (8*sizeof(sequence_number_t)))
+
+/*
+ * An xtd_seq_num_t is a 64-bit unsigned integer used as an 'extended'
+ * sequence number.
+ */
+
+typedef uint64_t xtd_seq_num_t;
+
+
+/*
+ * An rdbx_t is a replay database with extended range; it uses an
+ * xtd_seq_num_t and a bitmask of recently received indices.
+ */
+
+typedef struct {
+ xtd_seq_num_t index;
+ bitvector_t bitmask;
+} rdbx_t;
+
+
+/*
+ * rdbx_init(rdbx_ptr, ws)
+ *
+ * initializes the rdbx pointed to by its argument with the window size ws,
+ * setting the rollover counter and sequence number to zero
+ */
+
+err_status_t
+rdbx_init(rdbx_t *rdbx, unsigned long ws);
+
+
+/*
+ * rdbx_uninit(rdbx_ptr)
+ *
+ * frees memory associated with the rdbx
+ */
+
+err_status_t
+rdbx_uninit(rdbx_t *rdbx);
+
+
+/*
+ * rdbx_estimate_index(rdbx, guess, s)
+ *
+ * given an rdbx and a sequence number s (from a newly arrived packet),
+ * sets the contents of *guess to contain the best guess of the packet
+ * index to which s corresponds, and returns the difference between
+ * *guess and the locally stored synch info
+ */
+
+int
+rdbx_estimate_index(const rdbx_t *rdbx,
+ xtd_seq_num_t *guess,
+ sequence_number_t s);
+
+/*
+ * rdbx_check(rdbx, delta);
+ *
+ * rdbx_check(&r, delta) checks to see if the xtd_seq_num_t
+ * which is at rdbx->window_start + delta is in the rdb
+ *
+ */
+
+err_status_t
+rdbx_check(const rdbx_t *rdbx, int difference);
+
+/*
+ * replay_add_index(rdbx, delta)
+ *
+ * adds the xtd_seq_num_t at rdbx->window_start + delta to replay_db
+ * (and does *not* check if that xtd_seq_num_t appears in db)
+ *
+ * this function should be called *only* after replay_check has
+ * indicated that the index does not appear in the rdbx, and a mutex
+ * should protect the rdbx between these calls if necessary.
+ */
+
+err_status_t
+rdbx_add_index(rdbx_t *rdbx, int delta);
+
+
+/*
+ * rdbx_set_roc(rdbx, roc) initalizes the rdbx_t at the location rdbx
+ * to have the rollover counter value roc. If that value is less than
+ * the current rollover counter value, then the function returns
+ * err_status_replay_old; otherwise, err_status_ok is returned.
+ *
+ */
+
+err_status_t
+rdbx_set_roc(rdbx_t *rdbx, uint32_t roc);
+
+/*
+ * rdbx_get_roc(rdbx) returns the value of the rollover counter for
+ * the rdbx_t pointed to by rdbx
+ *
+ */
+
+xtd_seq_num_t
+rdbx_get_packet_index(const rdbx_t *rdbx);
+
+/*
+ * xtd_seq_num_t functions - these are *internal* functions of rdbx, and
+ * shouldn't be used to manipulate rdbx internal values. use the rdbx
+ * api instead!
+ */
+
+/*
+ * rdbx_get_ws(rdbx_ptr)
+ *
+ * gets the window size which was used to initialize the rdbx
+ */
+
+unsigned long
+rdbx_get_window_size(const rdbx_t *rdbx);
+
+
+/* index_init(&pi) initializes a packet index pi (sets it to zero) */
+
+void
+index_init(xtd_seq_num_t *pi);
+
+/* index_advance(&pi, s) advances a xtd_seq_num_t forward by s */
+
+void
+index_advance(xtd_seq_num_t *pi, sequence_number_t s);
+
+
+/*
+ * index_guess(local, guess, s)
+ *
+ * given a xtd_seq_num_t local (which represents the highest
+ * known-to-be-good index) and a sequence number s (from a newly
+ * arrived packet), sets the contents of *guess to contain the best
+ * guess of the packet index to which s corresponds, and returns the
+ * difference between *guess and *local
+ */
+
+int
+index_guess(const xtd_seq_num_t *local,
+ xtd_seq_num_t *guess,
+ sequence_number_t s);
+
+
+#endif /* RDBX_H */
+
+
+
+
+
+
+
+
+
diff --git a/crypto/include/sha1.h b/crypto/include/sha1.h
new file mode 100644
index 0000000..e3af4d4
--- /dev/null
+++ b/crypto/include/sha1.h
@@ -0,0 +1,108 @@
+/*
+ * sha1.h
+ *
+ * interface to the Secure Hash Algorithm v.1 (SHA-1), specified in
+ * FIPS 180-1
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef SHA1_H
+#define SHA1_H
+
+#include "err.h"
+#include "datatypes.h"
+
+typedef struct {
+ uint32_t H[5]; /* state vector */
+ uint32_t M[16]; /* message buffer */
+ int octets_in_buffer; /* octets of message in buffer */
+ uint32_t num_bits_in_msg; /* total number of bits in message */
+} sha1_ctx_t;
+
+/*
+ * sha1(&ctx, msg, len, output) hashes the len octets starting at msg
+ * into the SHA1 context, then writes the result to the 20 octets at
+ * output
+ *
+ */
+
+void
+sha1(const uint8_t *message, int octets_in_msg, uint32_t output[5]);
+
+/*
+ * sha1_init(&ctx) initializes the SHA1 context ctx
+ *
+ * sha1_update(&ctx, msg, len) hashes the len octets starting at msg
+ * into the SHA1 context
+ *
+ * sha1_final(&ctx, output) performs the final processing of the SHA1
+ * context and writes the result to the 20 octets at output
+ *
+ */
+
+void
+sha1_init(sha1_ctx_t *ctx);
+
+void
+sha1_update(sha1_ctx_t *ctx, const uint8_t *M, int octets_in_msg);
+
+void
+sha1_final(sha1_ctx_t *ctx, uint32_t output[5]);
+
+/*
+ * The sha1_core function is INTERNAL to SHA-1, but it is declared
+ * here because it is also used by the cipher SEAL 3.0 in its key
+ * setup algorithm.
+ */
+
+/*
+ * sha1_core(M, H) computes the core sha1 compression function, where M is
+ * the next part of the message and H is the intermediate state {H0,
+ * H1, ...}
+ *
+ * this function does not do any of the padding required in the
+ * complete sha1 function
+ */
+
+void
+sha1_core(const uint32_t M[16], uint32_t hash_value[5]);
+
+#endif /* SHA1_H */
diff --git a/crypto/include/stat.h b/crypto/include/stat.h
new file mode 100644
index 0000000..e28b131
--- /dev/null
+++ b/crypto/include/stat.h
@@ -0,0 +1,69 @@
+/*
+ * stats.h
+ *
+ * interface to statistical test functions
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright(c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef STAT_H
+#define STAT_H
+
+#include "datatypes.h" /* for uint8_t */
+#include "err.h" /* for err_status_t */
+#include "rand_source.h" /* for rand_source_func_t definition */
+
+err_status_t
+stat_test_monobit(uint8_t *data);
+
+err_status_t
+stat_test_poker(uint8_t *data);
+
+err_status_t
+stat_test_runs(uint8_t *data);
+
+err_status_t
+stat_test_rand_source(rand_source_func_t rs);
+
+err_status_t
+stat_test_rand_source_with_repetition(rand_source_func_t source, unsigned num_trials);
+
+#endif /* STAT_H */
diff --git a/crypto/include/xfm.h b/crypto/include/xfm.h
new file mode 100644
index 0000000..5837149
--- /dev/null
+++ b/crypto/include/xfm.h
@@ -0,0 +1,139 @@
+/*
+ * xfm.h
+ *
+ * interface for abstract crypto transform
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+#ifndef XFM_H
+#define XFM_H
+
+#include "crypto_kernel.h"
+#include "err.h"
+
+/**
+ * @defgroup Crypto Cryptography
+ *
+ * A simple interface to an abstract cryptographic transform that
+ * provides both confidentiality and message authentication.
+ *
+ * @{
+ */
+
+/**
+ * @brief applies a crypto transform
+ *
+ * The function pointer xfm_func_t points to a function that
+ * implements a crypto transform, and provides a uniform API for
+ * accessing crypto mechanisms.
+ *
+ * @param key location of secret key
+ *
+ * @param clear data to be authenticated only
+ *
+ * @param clear_len length of data to be authenticated only
+ *
+ * @param iv location to write the Initialization Vector (IV)
+ *
+ * @param protect location of the data to be encrypted and
+ * authenticated (before the function call), and the ciphertext
+ * and authentication tag (after the call)
+ *
+ * @param protected_len location of the length of the data to be
+ * encrypted and authenticated (before the function call), and the
+ * length of the ciphertext (after the call)
+ *
+ * @param auth_tag location to write auth tag
+ */
+
+typedef err_status_t (*xfm_func_t)
+ (void *key,
+ void *clear,
+ unsigned clear_len,
+ void *iv,
+ void *protect,
+ unsigned *protected_len,
+ void *auth_tag
+ );
+
+typedef
+err_status_t (*xfm_inv_t)
+ (void *key, /* location of secret key */
+ void *clear, /* data to be authenticated only */
+ unsigned clear_len, /* length of data to be authenticated only */
+ void *iv, /* location of iv */
+ void *opaque, /* data to be decrypted and authenticated */
+ unsigned *opaque_len, /* location of the length of data to be
+ * decrypted and authd (before and after)
+ */
+ void *auth_tag /* location of auth tag */
+ );
+
+typedef struct xfm_ctx_t {
+ xfm_func_t func;
+ xfm_inv_t inv;
+ unsigned key_len;
+ unsigned iv_len;
+ unsigned auth_tag_len;
+} xfm_ctx_t;
+
+typedef xfm_ctx_t *xfm_t;
+
+#define xfm_get_key_len(xfm) ((xfm)->key_len)
+
+#define xfm_get_iv_len(xfm) ((xfm)->iv_len)
+
+#define xfm_get_auth_tag_len(xfm) ((xfm)->auth_tag_len)
+
+
+/* cryptoalgo - 5/28 */
+
+typedef err_status_t (*cryptoalg_func_t)
+ (void *key,
+ void *clear,
+ unsigned clear_len,
+ void *iv,
+ void *opaque,
+ unsigned *opaque_len
+ );
+
+typedef
+err_status_t (*cryptoalg_inv_t)
+ (void *key, /* location of secret key */
+ void *clear, /* data to be authenticated only */
+ unsigned clear_len, /* length of data to be authenticated only */
+ void *iv, /* location of iv */
+ void *opaque, /* data to be decrypted and authenticated */
+ unsigned *opaque_len /* location of the length of data to be
+ * decrypted and authd (before and after)
+ */
+ );
+
+typedef struct cryptoalg_ctx_t {
+ cryptoalg_func_t enc;
+ cryptoalg_inv_t dec;
+ unsigned key_len;
+ unsigned iv_len;
+ unsigned auth_tag_len;
+ unsigned max_expansion;
+} cryptoalg_ctx_t;
+
+typedef cryptoalg_ctx_t *cryptoalg_t;
+
+#define cryptoalg_get_key_len(cryptoalg) ((cryptoalg)->key_len)
+
+#define cryptoalg_get_iv_len(cryptoalg) ((cryptoalg)->iv_len)
+
+#define cryptoalg_get_auth_tag_len(cryptoalg) ((cryptoalg)->auth_tag_len)
+
+
+
+/**
+ * @}
+ */
+
+#endif /* XFM_H */
+
+
diff --git a/crypto/kernel/alloc.c b/crypto/kernel/alloc.c
new file mode 100644
index 0000000..5dd0947
--- /dev/null
+++ b/crypto/kernel/alloc.c
@@ -0,0 +1,119 @@
+/*
+ * alloc.c
+ *
+ * memory allocation and deallocation
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "alloc.h"
+#include "crypto_kernel.h"
+
+/* the debug module for memory allocation */
+
+debug_module_t mod_alloc = {
+ 0, /* debugging is off by default */
+ "alloc" /* printable name for module */
+};
+
+/*
+ * Nota bene: the debugging statements for crypto_alloc() and
+ * crypto_free() have identical prefixes, which include the addresses
+ * of the memory locations on which they are operating. This fact can
+ * be used to locate memory leaks, by turning on memory debugging,
+ * grepping for 'alloc', then matching alloc and free calls by
+ * address.
+ */
+
+#ifdef SRTP_KERNEL_LINUX
+
+#include <linux/interrupt.h>
+
+void *
+crypto_alloc(size_t size) {
+ void *ptr;
+
+ ptr = kmalloc(size, in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
+
+ if (ptr) {
+ debug_print(mod_alloc, "(location: %p) allocated", ptr);
+ } else
+ debug_print(mod_alloc, "allocation failed (asked for %d bytes)\n", size);
+
+ return ptr;
+}
+
+void
+crypto_free(void *ptr) {
+
+ debug_print(mod_alloc, "(location: %p) freed", ptr);
+
+ kfree(ptr);
+}
+
+
+#elif defined(HAVE_STDLIB_H)
+
+void *
+crypto_alloc(size_t size) {
+ void *ptr;
+
+ ptr = malloc(size);
+
+ if (ptr) {
+ debug_print(mod_alloc, "(location: %p) allocated", ptr);
+ } else
+ debug_print(mod_alloc, "allocation failed (asked for %d bytes)\n", size);
+
+ return ptr;
+}
+
+void
+crypto_free(void *ptr) {
+
+ debug_print(mod_alloc, "(location: %p) freed", ptr);
+
+ free(ptr);
+}
+
+#else /* we need to define our own memory allocation routines */
+
+#error no memory allocation defined yet
+
+#endif
diff --git a/crypto/kernel/crypto_kernel.c b/crypto/kernel/crypto_kernel.c
new file mode 100644
index 0000000..230dda6
--- /dev/null
+++ b/crypto/kernel/crypto_kernel.c
@@ -0,0 +1,523 @@
+/*
+ * crypto_kernel.c
+ *
+ * header for the cryptographic kernel
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "alloc.h"
+
+#include "crypto_kernel.h"
+
+/* the debug module for the crypto_kernel */
+
+debug_module_t mod_crypto_kernel = {
+ 0, /* debugging is off by default */
+ "crypto kernel" /* printable name for module */
+};
+
+/*
+ * other debug modules that can be included in the kernel
+ */
+
+extern debug_module_t mod_auth;
+extern debug_module_t mod_cipher;
+extern debug_module_t mod_stat;
+extern debug_module_t mod_alloc;
+
+/*
+ * cipher types that can be included in the kernel
+ */
+
+extern cipher_type_t null_cipher;
+extern cipher_type_t aes_icm;
+extern cipher_type_t aes_cbc;
+
+
+/*
+ * auth func types that can be included in the kernel
+ */
+
+extern auth_type_t null_auth;
+extern auth_type_t hmac;
+
+/* crypto_kernel is a global variable, the only one of its datatype */
+
+crypto_kernel_t
+crypto_kernel = {
+ crypto_kernel_state_insecure, /* start off in insecure state */
+ NULL, /* no cipher types yet */
+ NULL, /* no auth types yet */
+ NULL /* no debug modules yet */
+};
+
+#define MAX_RNG_TRIALS 25
+
+err_status_t
+crypto_kernel_init() {
+ err_status_t status;
+
+ /* check the security state */
+ if (crypto_kernel.state == crypto_kernel_state_secure) {
+
+ /*
+ * we're already in the secure state, but we've been asked to
+ * re-initialize, so we just re-run the self-tests and then return
+ */
+ return crypto_kernel_status();
+ }
+
+ /* initialize error reporting system */
+ status = err_reporting_init("crypto");
+ if (status)
+ return status;
+
+ /* load debug modules */
+ status = crypto_kernel_load_debug_module(&mod_crypto_kernel);
+ if (status)
+ return status;
+ status = crypto_kernel_load_debug_module(&mod_auth);
+ if (status)
+ return status;
+ status = crypto_kernel_load_debug_module(&mod_cipher);
+ if (status)
+ return status;
+ status = crypto_kernel_load_debug_module(&mod_stat);
+ if (status)
+ return status;
+ status = crypto_kernel_load_debug_module(&mod_alloc);
+ if (status)
+ return status;
+
+ /* initialize random number generator */
+ status = rand_source_init();
+ if (status)
+ return status;
+
+ /* run FIPS-140 statistical tests on rand_source */
+ status = stat_test_rand_source_with_repetition(rand_source_get_octet_string, MAX_RNG_TRIALS);
+ if (status)
+ return status;
+
+ /* initialize pseudorandom number generator */
+ status = ctr_prng_init(rand_source_get_octet_string);
+ if (status)
+ return status;
+
+ /* run FIPS-140 statistical tests on ctr_prng */
+ status = stat_test_rand_source_with_repetition(ctr_prng_get_octet_string, MAX_RNG_TRIALS);
+ if (status)
+ return status;
+
+ /* load cipher types */
+ status = crypto_kernel_load_cipher_type(&null_cipher, NULL_CIPHER);
+ if (status)
+ return status;
+ status = crypto_kernel_load_cipher_type(&aes_icm, AES_128_ICM);
+ if (status)
+ return status;
+ status = crypto_kernel_load_cipher_type(&aes_cbc, AES_128_CBC);
+ if (status)
+ return status;
+
+ /* load auth func types */
+ status = crypto_kernel_load_auth_type(&null_auth, NULL_AUTH);
+ if (status)
+ return status;
+ status = crypto_kernel_load_auth_type(&hmac, HMAC_SHA1);
+ if (status)
+ return status;
+
+ /* change state to secure */
+ crypto_kernel.state = crypto_kernel_state_secure;
+
+ return err_status_ok;
+}
+
+err_status_t
+crypto_kernel_status() {
+ err_status_t status;
+ kernel_cipher_type_t *ctype = crypto_kernel.cipher_type_list;
+ kernel_auth_type_t *atype = crypto_kernel.auth_type_list;
+ kernel_debug_module_t *dm = crypto_kernel.debug_module_list;
+
+ /* run FIPS-140 statistical tests on rand_source */
+ printf("testing rand_source...");
+ status = stat_test_rand_source_with_repetition(rand_source_get_octet_string, MAX_RNG_TRIALS);
+ if (status) {
+ printf("failed\n");
+ crypto_kernel.state = crypto_kernel_state_insecure;
+ return status;
+ }
+ printf("passed\n");
+
+ /* for each cipher type, describe and test */
+ while(ctype != NULL) {
+ printf("cipher: %s\n", ctype->cipher_type->description);
+ printf(" instance count: %d\n", ctype->cipher_type->ref_count);
+ printf(" self-test: ");
+ status = cipher_type_self_test(ctype->cipher_type);
+ if (status) {
+ printf("failed with error code %d\n", status);
+ exit(status);
+ }
+ printf("passed\n");
+ ctype = ctype->next;
+ }
+
+ /* for each auth type, describe and test */
+ while(atype != NULL) {
+ printf("auth func: %s\n", atype->auth_type->description);
+ printf(" instance count: %d\n", atype->auth_type->ref_count);
+ printf(" self-test: ");
+ status = auth_type_self_test(atype->auth_type);
+ if (status) {
+ printf("failed with error code %d\n", status);
+ exit(status);
+ }
+ printf("passed\n");
+ atype = atype->next;
+ }
+
+ /* describe each debug module */
+ printf("debug modules loaded:\n");
+ while (dm != NULL) {
+ printf(" %s ", dm->mod->name);
+ if (dm->mod->on)
+ printf("(on)\n");
+ else
+ printf("(off)\n");
+ dm = dm->next;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+crypto_kernel_list_debug_modules() {
+ kernel_debug_module_t *dm = crypto_kernel.debug_module_list;
+
+ /* describe each debug module */
+ printf("debug modules loaded:\n");
+ while (dm != NULL) {
+ printf(" %s ", dm->mod->name);
+ if (dm->mod->on)
+ printf("(on)\n");
+ else
+ printf("(off)\n");
+ dm = dm->next;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+crypto_kernel_shutdown() {
+ err_status_t status;
+
+ /*
+ * free dynamic memory used in crypto_kernel at present
+ */
+
+ /* walk down cipher type list, freeing memory */
+ while (crypto_kernel.cipher_type_list != NULL) {
+ kernel_cipher_type_t *ctype = crypto_kernel.cipher_type_list;
+ crypto_kernel.cipher_type_list = ctype->next;
+ debug_print(mod_crypto_kernel,
+ "freeing memory for cipher %s",
+ ctype->cipher_type->description);
+ crypto_free(ctype);
+ }
+
+ /* walk down authetication module list, freeing memory */
+ while (crypto_kernel.auth_type_list != NULL) {
+ kernel_auth_type_t *atype = crypto_kernel.auth_type_list;
+ crypto_kernel.auth_type_list = atype->next;
+ debug_print(mod_crypto_kernel,
+ "freeing memory for authentication %s",
+ atype->auth_type->description);
+ crypto_free(atype);
+ }
+
+ /* walk down debug module list, freeing memory */
+ while (crypto_kernel.debug_module_list != NULL) {
+ kernel_debug_module_t *kdm = crypto_kernel.debug_module_list;
+ crypto_kernel.debug_module_list = kdm->next;
+ debug_print(mod_crypto_kernel,
+ "freeing memory for debug module %s",
+ kdm->mod->name);
+ crypto_free(kdm);
+ }
+
+ /* de-initialize random number generator */ status = rand_source_deinit();
+ if (status)
+ return status;
+
+ /* return to insecure state */
+ crypto_kernel.state = crypto_kernel_state_insecure;
+
+ return err_status_ok;
+}
+
+err_status_t
+crypto_kernel_load_cipher_type(cipher_type_t *new_ct, cipher_type_id_t id) {
+ kernel_cipher_type_t *ctype, *new_ctype;
+ err_status_t status;
+
+ /* defensive coding */
+ if (new_ct == NULL)
+ return err_status_bad_param;
+
+ /* check cipher type by running self-test */
+ status = cipher_type_self_test(new_ct);
+ if (status) {
+ return status;
+ }
+
+ /* walk down list, checking if this type is in the list already */
+ ctype = crypto_kernel.cipher_type_list;
+ while (ctype != NULL) {
+ if ((new_ct == ctype->cipher_type) || (id == ctype->id))
+ return err_status_bad_param;
+ ctype = ctype->next;
+ }
+
+ /* put new_ct at the head of the list */
+ /* allocate memory */
+ new_ctype = (kernel_cipher_type_t *) crypto_alloc(sizeof(kernel_cipher_type_t));
+ if (new_ctype == NULL)
+ return err_status_alloc_fail;
+
+ /* set fields */
+ new_ctype->cipher_type = new_ct;
+ new_ctype->id = id;
+ new_ctype->next = crypto_kernel.cipher_type_list;
+
+ /* set head of list to new cipher type */
+ crypto_kernel.cipher_type_list = new_ctype;
+
+ /* load debug module, if there is one present */
+ if (new_ct->debug != NULL)
+ crypto_kernel_load_debug_module(new_ct->debug);
+ /* we could check for errors here */
+
+ return err_status_ok;
+}
+
+err_status_t
+crypto_kernel_load_auth_type(auth_type_t *new_at, auth_type_id_t id) {
+ kernel_auth_type_t *atype, *new_atype;
+ err_status_t status;
+
+ /* defensive coding */
+ if (new_at == NULL)
+ return err_status_bad_param;
+
+ /* check auth type by running self-test */
+ status = auth_type_self_test(new_at);
+ if (status) {
+ return status;
+ }
+
+ /* walk down list, checking if this type is in the list already */
+ atype = crypto_kernel.auth_type_list;
+ while (atype != NULL) {
+ if ((new_at == atype->auth_type) || (id == atype->id))
+ return err_status_bad_param;
+ atype = atype->next;
+ }
+
+ /* put new_at at the head of the list */
+ /* allocate memory */
+ new_atype = (kernel_auth_type_t *)crypto_alloc(sizeof(kernel_auth_type_t));
+ if (new_atype == NULL)
+ return err_status_alloc_fail;
+
+ /* set fields */
+ new_atype->auth_type = new_at;
+ new_atype->id = id;
+ new_atype->next = crypto_kernel.auth_type_list;
+
+ /* set head of list to new auth type */
+ crypto_kernel.auth_type_list = new_atype;
+
+ /* load debug module, if there is one present */
+ if (new_at->debug != NULL)
+ crypto_kernel_load_debug_module(new_at->debug);
+ /* we could check for errors here */
+
+ return err_status_ok;
+
+}
+
+
+cipher_type_t *
+crypto_kernel_get_cipher_type(cipher_type_id_t id) {
+ kernel_cipher_type_t *ctype;
+
+ /* walk down list, looking for id */
+ ctype = crypto_kernel.cipher_type_list;
+ while (ctype != NULL) {
+ if (id == ctype->id)
+ return ctype->cipher_type;
+ ctype = ctype->next;
+ }
+
+ /* haven't found the right one, indicate failure by returning NULL */
+ return NULL;
+}
+
+
+err_status_t
+crypto_kernel_alloc_cipher(cipher_type_id_t id,
+ cipher_pointer_t *cp,
+ int key_len) {
+ cipher_type_t *ct;
+
+ /*
+ * if the crypto_kernel is not yet initialized, we refuse to allocate
+ * any ciphers - this is a bit extra-paranoid
+ */
+ if (crypto_kernel.state != crypto_kernel_state_secure)
+ return err_status_init_fail;
+
+ ct = crypto_kernel_get_cipher_type(id);
+ if (!ct)
+ return err_status_fail;
+
+ return ((ct)->alloc(cp, key_len));
+}
+
+
+
+auth_type_t *
+crypto_kernel_get_auth_type(auth_type_id_t id) {
+ kernel_auth_type_t *atype;
+
+ /* walk down list, looking for id */
+ atype = crypto_kernel.auth_type_list;
+ while (atype != NULL) {
+ if (id == atype->id)
+ return atype->auth_type;
+ atype = atype->next;
+ }
+
+ /* haven't found the right one, indicate failure by returning NULL */
+ return NULL;
+}
+
+err_status_t
+crypto_kernel_alloc_auth(auth_type_id_t id,
+ auth_pointer_t *ap,
+ int key_len,
+ int tag_len) {
+ auth_type_t *at;
+
+ /*
+ * if the crypto_kernel is not yet initialized, we refuse to allocate
+ * any auth functions - this is a bit extra-paranoid
+ */
+ if (crypto_kernel.state != crypto_kernel_state_secure)
+ return err_status_init_fail;
+
+ at = crypto_kernel_get_auth_type(id);
+ if (!at)
+ return err_status_fail;
+
+ return ((at)->alloc(ap, key_len, tag_len));
+}
+
+err_status_t
+crypto_kernel_load_debug_module(debug_module_t *new_dm) {
+ kernel_debug_module_t *kdm, *new;
+
+ /* defensive coding */
+ if (new_dm == NULL)
+ return err_status_bad_param;
+
+ /* walk down list, checking if this type is in the list already */
+ kdm = crypto_kernel.debug_module_list;
+ while (kdm != NULL) {
+ if (strncmp(new_dm->name, kdm->mod->name, 64) == 0)
+ return err_status_bad_param;
+ kdm = kdm->next;
+ }
+
+ /* put new_dm at the head of the list */
+ /* allocate memory */
+ new = (kernel_debug_module_t *)crypto_alloc(sizeof(kernel_debug_module_t));
+ if (new == NULL)
+ return err_status_alloc_fail;
+
+ /* set fields */
+ new->mod = new_dm;
+ new->next = crypto_kernel.debug_module_list;
+
+ /* set head of list to new cipher type */
+ crypto_kernel.debug_module_list = new;
+
+ return err_status_ok;
+}
+
+err_status_t
+crypto_kernel_set_debug_module(char *name, int on) {
+ kernel_debug_module_t *kdm;
+
+ /* walk down list, checking if this type is in the list already */
+ kdm = crypto_kernel.debug_module_list;
+ while (kdm != NULL) {
+ if (strncmp(name, kdm->mod->name, 64) == 0) {
+ kdm->mod->on = on;
+ return err_status_ok;
+ }
+ kdm = kdm->next;
+ }
+
+ return err_status_fail;
+}
+
+err_status_t
+crypto_get_random(unsigned char *buffer, unsigned int length) {
+ if (crypto_kernel.state == crypto_kernel_state_secure)
+ return ctr_prng_get_octet_string(buffer, length);
+ else
+ return err_status_fail;
+}
diff --git a/crypto/kernel/err.c b/crypto/kernel/err.c
new file mode 100644
index 0000000..4a3a858
--- /dev/null
+++ b/crypto/kernel/err.c
@@ -0,0 +1,148 @@
+/*
+ * err.c
+ *
+ * error status reporting functions
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "err.h"
+
+#ifdef ERR_REPORTING_SYSLOG
+# ifdef HAVE_SYSLOG_H
+# include <syslog.h>
+# endif
+#endif
+
+
+/* err_level reflects the level of errors that are reported */
+
+err_reporting_level_t err_level = err_level_none;
+
+#ifdef SRTP_KERNEL_LINUX
+err_status_t
+err_reporting_init(char *ident) {
+
+ return err_status_ok;
+}
+
+#else /* SRTP_KERNEL_LINUX */
+
+/* err_file is the FILE to which errors are reported */
+
+static FILE *err_file = NULL;
+
+err_status_t
+err_reporting_init(char *ident) {
+#ifdef ERR_REPORTING_SYSLOG
+ openlog(ident, LOG_PID, LOG_AUTHPRIV);
+#endif
+
+ /*
+ * Believe it or not, openlog doesn't return an error on failure.
+ * But then, neither does the syslog() call...
+ */
+
+#ifdef ERR_REPORTING_STDOUT
+ err_file = stdout;
+#elif defined(USE_ERR_REPORTING_FILE)
+ /* open file for error reporting */
+ err_file = fopen(ERR_REPORTING_FILE, "w");
+ if (err_file == NULL)
+ return err_status_init_fail;
+#endif
+
+ return err_status_ok;
+}
+
+void
+err_report(int priority, char *format, ...) {
+ va_list args;
+
+ if (priority <= err_level) {
+
+ va_start(args, format);
+ if (err_file != NULL) {
+ vfprintf(err_file, format, args);
+ /* fprintf(err_file, "\n"); */
+ }
+#ifdef ERR_REPORTING_SYSLOG
+ if (1) { /* FIXME: Make this a runtime option. */
+ int syslogpri;
+
+ switch (priority) {
+ case err_level_emergency:
+ syslogpri = LOG_EMERG;
+ break;
+ case err_level_alert:
+ syslogpri = LOG_ALERT;
+ break;
+ case err_level_critical:
+ syslogpri = LOG_CRIT;
+ break;
+ case err_level_error:
+ syslogpri = LOG_ERR;
+ break;
+ case err_level_warning:
+ syslogpri = LOG_WARNING;
+ break;
+ case err_level_notice:
+ syslogpri = LOG_NOTICE;
+ break;
+ case err_level_info:
+ syslogpri = LOG_INFO;
+ break;
+ case err_level_debug:
+ case err_level_none:
+ default:
+ syslogpri = LOG_DEBUG;
+ break;
+ }
+
+ vsyslog(syslogpri, format, args);
+#endif
+ va_end(args);
+ }
+}
+#endif /* SRTP_KERNEL_LINUX */
+
+void
+err_reporting_set_level(err_reporting_level_t lvl) {
+ err_level = lvl;
+}
diff --git a/crypto/kernel/key.c b/crypto/kernel/key.c
new file mode 100644
index 0000000..9f63b22
--- /dev/null
+++ b/crypto/kernel/key.c
@@ -0,0 +1,115 @@
+/*
+ * key.c
+ *
+ * key usage limits enforcement
+ *
+ * David A. Mcgrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "key.h"
+
+#define soft_limit 0x10000
+
+err_status_t
+key_limit_set(key_limit_t key, const xtd_seq_num_t s) {
+#ifdef NO_64BIT_MATH
+ if (high32(s) == 0 && low32(s) < soft_limit)
+ return err_status_bad_param;
+#else
+ if (s < soft_limit)
+ return err_status_bad_param;
+#endif
+ key->num_left = s;
+ key->state = key_state_normal;
+ return err_status_ok;
+}
+
+err_status_t
+key_limit_clone(key_limit_t original, key_limit_t *new_key) {
+ if (original == NULL)
+ return err_status_bad_param;
+ *new_key = original;
+ return err_status_ok;
+}
+
+err_status_t
+key_limit_check(const key_limit_t key) {
+ if (key->state == key_state_expired)
+ return err_status_key_expired;
+ return err_status_ok;
+}
+
+key_event_t
+key_limit_update(key_limit_t key) {
+#ifdef NO_64BIT_MATH
+ if (low32(key->num_left) == 0)
+ {
+ // carry
+ key->num_left = make64(high32(key->num_left)-1,low32(key->num_left) - 1);
+ }
+ else
+ {
+ // no carry
+ key->num_left = make64(high32(key->num_left),low32(key->num_left) - 1);
+ }
+ if (high32(key->num_left) != 0 || low32(key->num_left) >= soft_limit) {
+ return key_event_normal; /* we're above the soft limit */
+ }
+#else
+ key->num_left--;
+ if (key->num_left >= soft_limit) {
+ return key_event_normal; /* we're above the soft limit */
+ }
+#endif
+ if (key->state == key_state_normal) {
+ /* we just passed the soft limit, so change the state */
+ key->state = key_state_past_soft_limit;
+ }
+#ifdef NO_64BIT_MATH
+ if (low32(key->num_left) == 0 && high32(key->num_left == 0))
+#else
+ if (key->num_left < 1)
+#endif
+ { /* we just hit the hard limit */
+ key->state = key_state_expired;
+ return key_event_hard_limit;
+ }
+ return key_event_soft_limit;
+}
+
diff --git a/crypto/math/datatypes.c b/crypto/math/datatypes.c
new file mode 100644
index 0000000..65446c3
--- /dev/null
+++ b/crypto/math/datatypes.c
@@ -0,0 +1,718 @@
+/*
+ * datatypes.c
+ *
+ * data types for finite fields and functions for input, output, and
+ * manipulation
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "datatypes.h"
+
+int
+octet_weight[256] = {
+ 0, 1, 1, 2, 1, 2, 2, 3,
+ 1, 2, 2, 3, 2, 3, 3, 4,
+ 1, 2, 2, 3, 2, 3, 3, 4,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 1, 2, 2, 3, 2, 3, 3, 4,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 1, 2, 2, 3, 2, 3, 3, 4,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 4, 5, 5, 6, 5, 6, 6, 7,
+ 1, 2, 2, 3, 2, 3, 3, 4,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 4, 5, 5, 6, 5, 6, 6, 7,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 4, 5, 5, 6, 5, 6, 6, 7,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 4, 5, 5, 6, 5, 6, 6, 7,
+ 4, 5, 5, 6, 5, 6, 6, 7,
+ 5, 6, 6, 7, 6, 7, 7, 8
+};
+
+int
+octet_get_weight(uint8_t octet) {
+ extern int octet_weight[256];
+
+ return octet_weight[octet];
+}
+
+/*
+ * bit_string is a buffer that is used to hold output strings, e.g.
+ * for printing.
+ */
+
+/* the value MAX_PRINT_STRING_LEN is defined in datatypes.h */
+
+char bit_string[MAX_PRINT_STRING_LEN];
+
+uint8_t
+nibble_to_hex_char(uint8_t nibble) {
+ char buf[16] = {'0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
+ return buf[nibble & 0xF];
+}
+
+char *
+octet_string_hex_string(const void *s, int length) {
+ const uint8_t *str = (const uint8_t *)s;
+ int i;
+
+ /* double length, since one octet takes two hex characters */
+ length *= 2;
+
+ /* truncate string if it would be too long */
+ if (length > MAX_PRINT_STRING_LEN)
+ length = MAX_PRINT_STRING_LEN-1;
+
+ for (i=0; i < length; i+=2) {
+ bit_string[i] = nibble_to_hex_char(*str >> 4);
+ bit_string[i+1] = nibble_to_hex_char(*str++ & 0xF);
+ }
+ bit_string[i] = 0; /* null terminate string */
+ return bit_string;
+}
+
+inline int
+hex_char_to_nibble(uint8_t c) {
+ switch(c) {
+ case ('0'): return 0x0;
+ case ('1'): return 0x1;
+ case ('2'): return 0x2;
+ case ('3'): return 0x3;
+ case ('4'): return 0x4;
+ case ('5'): return 0x5;
+ case ('6'): return 0x6;
+ case ('7'): return 0x7;
+ case ('8'): return 0x8;
+ case ('9'): return 0x9;
+ case ('a'): return 0xa;
+ case ('A'): return 0xa;
+ case ('b'): return 0xb;
+ case ('B'): return 0xb;
+ case ('c'): return 0xc;
+ case ('C'): return 0xc;
+ case ('d'): return 0xd;
+ case ('D'): return 0xd;
+ case ('e'): return 0xe;
+ case ('E'): return 0xe;
+ case ('f'): return 0xf;
+ case ('F'): return 0xf;
+ default: return -1; /* this flags an error */
+ }
+ /* NOTREACHED */
+ return -1; /* this keeps compilers from complaining */
+}
+
+int
+is_hex_string(char *s) {
+ while(*s != 0)
+ if (hex_char_to_nibble(*s++) == -1)
+ return 0;
+ return 1;
+}
+
+/*
+ * hex_string_to_octet_string converts a hexadecimal string
+ * of length 2 * len to a raw octet string of length len
+ */
+
+int
+hex_string_to_octet_string(char *raw, char *hex, int len) {
+ uint8_t x;
+ int tmp;
+ int hex_len;
+
+ hex_len = 0;
+ while (hex_len < len) {
+ tmp = hex_char_to_nibble(hex[0]);
+ if (tmp == -1)
+ return hex_len;
+ x = (tmp << 4);
+ hex_len++;
+ tmp = hex_char_to_nibble(hex[1]);
+ if (tmp == -1)
+ return hex_len;
+ x |= (tmp & 0xff);
+ hex_len++;
+ *raw++ = x;
+ hex += 2;
+ }
+ return hex_len;
+}
+
+char *
+v128_hex_string(v128_t *x) {
+ int i, j;
+
+ for (i=j=0; i < 16; i++) {
+ bit_string[j++] = nibble_to_hex_char(x->v8[i] >> 4);
+ bit_string[j++] = nibble_to_hex_char(x->v8[i] & 0xF);
+ }
+
+ bit_string[j] = 0; /* null terminate string */
+ return bit_string;
+}
+
+char *
+v128_bit_string(v128_t *x) {
+ int j, index;
+ uint32_t mask;
+
+ for (j=index=0; j < 4; j++) {
+ for (mask=0x80000000; mask > 0; mask >>= 1) {
+ if (x->v32[j] & mask)
+ bit_string[index] = '1';
+ else
+ bit_string[index] = '0';
+ ++index;
+ }
+ }
+ bit_string[128] = 0; /* null terminate string */
+
+ return bit_string;
+}
+
+void
+v128_copy_octet_string(v128_t *x, const uint8_t s[16]) {
+#ifdef ALIGNMENT_32BIT_REQUIRED
+ if ((((uint32_t) &s[0]) & 0x3) != 0)
+#endif
+ {
+ x->v8[0] = s[0];
+ x->v8[1] = s[1];
+ x->v8[2] = s[2];
+ x->v8[3] = s[3];
+ x->v8[4] = s[4];
+ x->v8[5] = s[5];
+ x->v8[6] = s[6];
+ x->v8[7] = s[7];
+ x->v8[8] = s[8];
+ x->v8[9] = s[9];
+ x->v8[10] = s[10];
+ x->v8[11] = s[11];
+ x->v8[12] = s[12];
+ x->v8[13] = s[13];
+ x->v8[14] = s[14];
+ x->v8[15] = s[15];
+ }
+#ifdef ALIGNMENT_32BIT_REQUIRED
+ else
+ {
+ v128_t *v = (v128_t *) &s[0];
+
+ v128_copy(x,v);
+ }
+#endif
+}
+
+#ifndef DATATYPES_USE_MACROS /* little functions are not macros */
+
+void
+v128_set_to_zero(v128_t *x) {
+ _v128_set_to_zero(x);
+}
+
+void
+v128_copy(v128_t *x, const v128_t *y) {
+ _v128_copy(x, y);
+}
+
+void
+v128_xor(v128_t *z, v128_t *x, v128_t *y) {
+ _v128_xor(z, x, y);
+}
+
+void
+v128_and(v128_t *z, v128_t *x, v128_t *y) {
+ _v128_and(z, x, y);
+}
+
+void
+v128_or(v128_t *z, v128_t *x, v128_t *y) {
+ _v128_or(z, x, y);
+}
+
+void
+v128_complement(v128_t *x) {
+ _v128_complement(x);
+}
+
+int
+v128_is_eq(const v128_t *x, const v128_t *y) {
+ return _v128_is_eq(x, y);
+}
+
+int
+v128_xor_eq(v128_t *x, const v128_t *y) {
+ return _v128_xor_eq(x, y);
+}
+
+int
+v128_get_bit(const v128_t *x, int i) {
+ return _v128_get_bit(x, i);
+}
+
+void
+v128_set_bit(v128_t *x, int i) {
+ _v128_set_bit(x, i);
+}
+
+void
+v128_clear_bit(v128_t *x, int i){
+ _v128_clear_bit(x, i);
+}
+
+void
+v128_set_bit_to(v128_t *x, int i, int y){
+ _v128_set_bit_to(x, i, y);
+}
+
+
+#endif /* DATATYPES_USE_MACROS */
+
+void
+v128_right_shift(v128_t *x, int index) {
+ const int base_index = index >> 5;
+ const int bit_index = index & 31;
+ int i, from;
+ uint32_t b;
+
+ if (index > 127) {
+ v128_set_to_zero(x);
+ return;
+ }
+
+ if (bit_index == 0) {
+
+ /* copy each word from left size to right side */
+ x->v32[4-1] = x->v32[4-1-base_index];
+ for (i=4-1; i > base_index; i--)
+ x->v32[i-1] = x->v32[i-1-base_index];
+
+ } else {
+
+ /* set each word to the "or" of the two bit-shifted words */
+ for (i = 4; i > base_index; i--) {
+ from = i-1 - base_index;
+ b = x->v32[from] << bit_index;
+ if (from > 0)
+ b |= x->v32[from-1] >> (32-bit_index);
+ x->v32[i-1] = b;
+ }
+
+ }
+
+ /* now wrap up the final portion */
+ for (i=0; i < base_index; i++)
+ x->v32[i] = 0;
+
+}
+
+void
+v128_left_shift(v128_t *x, int index) {
+ int i;
+ const int base_index = index >> 5;
+ const int bit_index = index & 31;
+
+ if (index > 127) {
+ v128_set_to_zero(x);
+ return;
+ }
+
+ if (bit_index == 0) {
+ for (i=0; i < 4 - base_index; i++)
+ x->v32[i] = x->v32[i+base_index];
+ } else {
+ for (i=0; i < 4 - base_index - 1; i++)
+ x->v32[i] = (x->v32[i+base_index] >> bit_index) ^
+ (x->v32[i+base_index+1] << (32 - bit_index));
+ x->v32[4 - base_index-1] = x->v32[4-1] >> bit_index;
+ }
+
+ /* now wrap up the final portion */
+ for (i = 4 - base_index; i < 4; i++)
+ x->v32[i] = 0;
+
+}
+
+/* functions manipulating bitvector_t */
+
+#ifndef DATATYPES_USE_MACROS /* little functions are not macros */
+
+int
+bitvector_get_bit(const bitvector_t *v, int bit_index)
+{
+ return _bitvector_get_bit(v, bit_index);
+}
+
+void
+bitvector_set_bit(bitvector_t *v, int bit_index)
+{
+ _bitvector_set_bit(v, bit_index);
+}
+
+void
+bitvector_clear_bit(bitvector_t *v, int bit_index)
+{
+ _bitvector_clear_bit(v, bit_index);
+}
+
+
+#endif /* DATATYPES_USE_MACROS */
+
+int
+bitvector_alloc(bitvector_t *v, unsigned long length) {
+ unsigned long l;
+
+ /* Round length up to a multiple of bits_per_word */
+ length = (length + bits_per_word - 1) & ~(unsigned long)((bits_per_word - 1));
+
+ l = length / bits_per_word * bytes_per_word;
+
+ /* allocate memory, then set parameters */
+ if (l == 0)
+ v->word = NULL;
+ else {
+ v->word = (uint32_t*)crypto_alloc(l);
+ if (v->word == NULL) {
+ v->word = NULL;
+ v->length = 0;
+ return -1;
+ }
+ }
+ v->length = length;
+
+ /* initialize bitvector to zero */
+ bitvector_set_to_zero(v);
+
+ return 0;
+}
+
+
+void
+bitvector_dealloc(bitvector_t *v) {
+ if (v->word != NULL)
+ crypto_free(v->word);
+ v->word = NULL;
+ v->length = 0;
+}
+
+void
+bitvector_set_to_zero(bitvector_t *x)
+{
+ /* C99 guarantees that memset(0) will set the value 0 for uint32_t */
+ memset(x->word, 0, x->length >> 3);
+}
+
+char *
+bitvector_bit_string(bitvector_t *x, char* buf, int len) {
+ int j, index;
+ uint32_t mask;
+
+ for (j=index=0; j < (int)(x->length>>5) && index < len-1; j++) {
+ for (mask=0x80000000; mask > 0; mask >>= 1) {
+ if (x->word[j] & mask)
+ buf[index] = '1';
+ else
+ buf[index] = '0';
+ ++index;
+ if (index >= len-1)
+ break;
+ }
+ }
+ buf[index] = 0; /* null terminate string */
+
+ return buf;
+}
+
+void
+bitvector_left_shift(bitvector_t *x, int index) {
+ int i;
+ const int base_index = index >> 5;
+ const int bit_index = index & 31;
+ const int word_length = x->length >> 5;
+
+ if (index >= (int)x->length) {
+ bitvector_set_to_zero(x);
+ return;
+ }
+
+ if (bit_index == 0) {
+ for (i=0; i < word_length - base_index; i++)
+ x->word[i] = x->word[i+base_index];
+ } else {
+ for (i=0; i < word_length - base_index - 1; i++)
+ x->word[i] = (x->word[i+base_index] >> bit_index) ^
+ (x->word[i+base_index+1] << (32 - bit_index));
+ x->word[word_length - base_index-1] = x->word[word_length-1] >> bit_index;
+ }
+
+ /* now wrap up the final portion */
+ for (i = word_length - base_index; i < word_length; i++)
+ x->word[i] = 0;
+
+}
+
+
+int
+octet_string_is_eq(uint8_t *a, uint8_t *b, int len) {
+ uint8_t *end = b + len;
+ while (b < end)
+ if (*a++ != *b++)
+ return 1;
+ return 0;
+}
+
+void
+octet_string_set_to_zero(uint8_t *s, int len) {
+ uint8_t *end = s + len;
+
+ do {
+ *s = 0;
+ } while (++s < end);
+
+}
+
+
+/*
+ * From RFC 1521: The Base64 Alphabet
+ *
+ * Value Encoding Value Encoding Value Encoding Value Encoding
+ * 0 A 17 R 34 i 51 z
+ * 1 B 18 S 35 j 52 0
+ * 2 C 19 T 36 k 53 1
+ * 3 D 20 U 37 l 54 2
+ * 4 E 21 V 38 m 55 3
+ * 5 F 22 W 39 n 56 4
+ * 6 G 23 X 40 o 57 5
+ * 7 H 24 Y 41 p 58 6
+ * 8 I 25 Z 42 q 59 7
+ * 9 J 26 a 43 r 60 8
+ * 10 K 27 b 44 s 61 9
+ * 11 L 28 c 45 t 62 +
+ * 12 M 29 d 46 u 63 /
+ * 13 N 30 e 47 v
+ * 14 O 31 f 48 w (pad) =
+ * 15 P 32 g 49 x
+ * 16 Q 33 h 50 y
+ */
+
+int
+base64_char_to_sextet(uint8_t c) {
+ switch(c) {
+ case 'A':
+ return 0;
+ case 'B':
+ return 1;
+ case 'C':
+ return 2;
+ case 'D':
+ return 3;
+ case 'E':
+ return 4;
+ case 'F':
+ return 5;
+ case 'G':
+ return 6;
+ case 'H':
+ return 7;
+ case 'I':
+ return 8;
+ case 'J':
+ return 9;
+ case 'K':
+ return 10;
+ case 'L':
+ return 11;
+ case 'M':
+ return 12;
+ case 'N':
+ return 13;
+ case 'O':
+ return 14;
+ case 'P':
+ return 15;
+ case 'Q':
+ return 16;
+ case 'R':
+ return 17;
+ case 'S':
+ return 18;
+ case 'T':
+ return 19;
+ case 'U':
+ return 20;
+ case 'V':
+ return 21;
+ case 'W':
+ return 22;
+ case 'X':
+ return 23;
+ case 'Y':
+ return 24;
+ case 'Z':
+ return 25;
+ case 'a':
+ return 26;
+ case 'b':
+ return 27;
+ case 'c':
+ return 28;
+ case 'd':
+ return 29;
+ case 'e':
+ return 30;
+ case 'f':
+ return 31;
+ case 'g':
+ return 32;
+ case 'h':
+ return 33;
+ case 'i':
+ return 34;
+ case 'j':
+ return 35;
+ case 'k':
+ return 36;
+ case 'l':
+ return 37;
+ case 'm':
+ return 38;
+ case 'n':
+ return 39;
+ case 'o':
+ return 40;
+ case 'p':
+ return 41;
+ case 'q':
+ return 42;
+ case 'r':
+ return 43;
+ case 's':
+ return 44;
+ case 't':
+ return 45;
+ case 'u':
+ return 46;
+ case 'v':
+ return 47;
+ case 'w':
+ return 48;
+ case 'x':
+ return 49;
+ case 'y':
+ return 50;
+ case 'z':
+ return 51;
+ case '0':
+ return 52;
+ case '1':
+ return 53;
+ case '2':
+ return 54;
+ case '3':
+ return 55;
+ case '4':
+ return 56;
+ case '5':
+ return 57;
+ case '6':
+ return 58;
+ case '7':
+ return 59;
+ case '8':
+ return 60;
+ case '9':
+ return 61;
+ case '+':
+ return 62;
+ case '/':
+ return 63;
+ case '=':
+ return 64;
+ default:
+ break;
+ }
+ return -1;
+}
+
+/*
+ * base64_string_to_octet_string converts a hexadecimal string
+ * of length 2 * len to a raw octet string of length len
+ */
+
+int
+base64_string_to_octet_string(char *raw, char *base64, int len) {
+ uint8_t x;
+ int tmp;
+ int base64_len;
+
+ base64_len = 0;
+ while (base64_len < len) {
+ tmp = base64_char_to_sextet(base64[0]);
+ if (tmp == -1)
+ return base64_len;
+ x = (tmp << 6);
+ base64_len++;
+ tmp = base64_char_to_sextet(base64[1]);
+ if (tmp == -1)
+ return base64_len;
+ x |= (tmp & 0xffff);
+ base64_len++;
+ *raw++ = x;
+ base64 += 2;
+ }
+ return base64_len;
+}
diff --git a/crypto/math/gf2_8.c b/crypto/math/gf2_8.c
new file mode 100644
index 0000000..8a112ba
--- /dev/null
+++ b/crypto/math/gf2_8.c
@@ -0,0 +1,83 @@
+/*
+ * gf2_8.c
+ *
+ * GF(256) finite field implementation, with the representation used
+ * in the AES cipher.
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "datatypes.h"
+#include "gf2_8.h"
+
+/* gf2_8_shift() moved to gf2_8.h as an inline function */
+
+inline gf2_8
+gf2_8_multiply(gf2_8 x, gf2_8 y) {
+ gf2_8 z = 0;
+
+ if (y & 1) z ^= x; x = gf2_8_shift(x);
+ if (y & 2) z ^= x; x = gf2_8_shift(x);
+ if (y & 4) z ^= x; x = gf2_8_shift(x);
+ if (y & 8) z ^= x; x = gf2_8_shift(x);
+ if (y & 16) z ^= x; x = gf2_8_shift(x);
+ if (y & 32) z ^= x; x = gf2_8_shift(x);
+ if (y & 64) z ^= x; x = gf2_8_shift(x);
+ if (y & 128) z ^= x;
+
+ return z;
+}
+
+
+/* this should use the euclidean algorithm */
+
+gf2_8
+gf2_8_compute_inverse(gf2_8 x) {
+ unsigned int i;
+
+ if (x == 0) return 0; /* zero is a special case */
+ for (i=0; i < 256; i++)
+ if (gf2_8_multiply((gf2_8) i, x) == 1)
+ return (gf2_8) i;
+
+ return 0;
+}
+
diff --git a/crypto/math/math.c b/crypto/math/math.c
new file mode 100644
index 0000000..31cc3d3
--- /dev/null
+++ b/crypto/math/math.c
@@ -0,0 +1,802 @@
+/*
+ * math.c
+ *
+ * crypto math operations and data types
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "crypto_math.h"
+
+int
+octet_weight[256] = {
+ 0, 1, 1, 2, 1, 2, 2, 3,
+ 1, 2, 2, 3, 2, 3, 3, 4,
+ 1, 2, 2, 3, 2, 3, 3, 4,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 1, 2, 2, 3, 2, 3, 3, 4,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 1, 2, 2, 3, 2, 3, 3, 4,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 4, 5, 5, 6, 5, 6, 6, 7,
+ 1, 2, 2, 3, 2, 3, 3, 4,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 4, 5, 5, 6, 5, 6, 6, 7,
+ 2, 3, 3, 4, 3, 4, 4, 5,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 4, 5, 5, 6, 5, 6, 6, 7,
+ 3, 4, 4, 5, 4, 5, 5, 6,
+ 4, 5, 5, 6, 5, 6, 6, 7,
+ 4, 5, 5, 6, 5, 6, 6, 7,
+ 5, 6, 6, 7, 6, 7, 7, 8
+};
+
+int
+low_bit[256] = {
+ -1, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 4, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 5, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 4, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 6, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 4, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 5, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 4, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 7, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 4, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 5, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 4, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 6, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 4, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 5, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0,
+ 4, 0, 1, 0, 2, 0, 1, 0,
+ 3, 0, 1, 0, 2, 0, 1, 0
+};
+
+
+int
+high_bit[256] = {
+ -1, 0, 1, 1, 2, 2, 2, 2,
+ 3, 3, 3, 3, 3, 3, 3, 3,
+ 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4,
+ 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5,
+ 5, 5, 5, 5, 5, 5, 5, 5,
+ 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6,
+ 6, 6, 6, 6, 6, 6, 6, 6,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7,
+ 7, 7, 7, 7, 7, 7, 7, 7
+};
+
+int
+octet_get_weight(uint8_t octet) {
+ extern int octet_weight[256];
+
+ return octet_weight[octet];
+}
+
+unsigned char
+v32_weight(v32_t a) {
+ unsigned int wt = 0;
+
+ wt += octet_weight[a.v8[0]]; /* note: endian-ness makes no difference */
+ wt += octet_weight[a.v8[1]];
+ wt += octet_weight[a.v8[2]];
+ wt += octet_weight[a.v8[3]];
+
+ return wt;
+}
+
+inline unsigned char
+v32_distance(v32_t x, v32_t y) {
+ x.value ^= y.value;
+ return v32_weight(x);
+}
+
+unsigned int
+v32_dot_product(v32_t a, v32_t b) {
+ a.value &= b.value;
+ return v32_weight(a) & 1;
+}
+
+/*
+ * _bit_string returns a NULL-terminated character string suitable for
+ * printing
+ */
+
+#define MAX_STRING_LENGTH 1024
+
+char bit_string[MAX_STRING_LENGTH];
+
+char *
+octet_bit_string(uint8_t x) {
+ int mask, index;
+
+ for (mask = 1, index = 0; mask < 256; mask <<= 1)
+ if ((x & mask) == 0)
+ bit_string[index++] = '0';
+ else
+ bit_string[index++] = '1';
+
+ bit_string[index++] = 0; /* NULL terminate string */
+
+ return bit_string;
+}
+
+char *
+v16_bit_string(v16_t x) {
+ int i, mask, index;
+
+ for (i = index = 0; i < 2; i++) {
+ for (mask = 1; mask < 256; mask <<= 1)
+ if ((x.v8[i] & mask) == 0)
+ bit_string[index++] = '0';
+ else
+ bit_string[index++] = '1';
+ }
+ bit_string[index++] = 0; /* NULL terminate string */
+ return bit_string;
+}
+
+char *
+v32_bit_string(v32_t x) {
+ int i, mask, index;
+
+ for (i = index = 0; i < 4; i++) {
+ for (mask = 128; mask > 0; mask >>= 1)
+ if ((x.v8[i] & mask) == 0)
+ bit_string[index++] = '0';
+ else
+ bit_string[index++] = '1';
+ }
+ bit_string[index++] = 0; /* NULL terminate string */
+ return bit_string;
+}
+
+char *
+v64_bit_string(const v64_t *x) {
+ int i, mask, index;
+
+ for (i = index = 0; i < 8; i++) {
+ for (mask = 1; mask < 256; mask <<= 1)
+ if ((x->v8[i] & mask) == 0)
+ bit_string[index++] = '0';
+ else
+ bit_string[index++] = '1';
+ }
+ bit_string[index++] = 0; /* NULL terminate string */
+ return bit_string;
+}
+
+char *
+v128_bit_string(v128_t *x) {
+ int j, index;
+ uint32_t mask;
+
+ for (j=index=0; j < 4; j++) {
+ for (mask=0x80000000; mask > 0; mask >>= 1) {
+ if (x->v32[j] & mask)
+ bit_string[index] = '1';
+ else
+ bit_string[index] = '0';
+ ++index;
+ }
+ }
+ bit_string[128] = 0; /* null terminate string */
+
+ return bit_string;
+}
+
+uint8_t
+nibble_to_hex_char(uint8_t nibble) {
+ char buf[16] = {'0', '1', '2', '3', '4', '5', '6', '7',
+ '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
+ return buf[nibble & 0xF];
+}
+
+char *
+octet_hex_string(uint8_t x) {
+
+ bit_string[0] = nibble_to_hex_char(x >> 4);
+ bit_string[1] = nibble_to_hex_char(x & 0xF);
+
+ bit_string[2] = 0; /* null terminate string */
+ return bit_string;
+}
+
+char *
+octet_string_hex_string(const void *str, int length) {
+ const uint8_t *s = str;
+ int i;
+
+ /* double length, since one octet takes two hex characters */
+ length *= 2;
+
+ /* truncate string if it would be too long */
+ if (length > MAX_STRING_LENGTH)
+ length = MAX_STRING_LENGTH-1;
+
+ for (i=0; i < length; i+=2) {
+ bit_string[i] = nibble_to_hex_char(*s >> 4);
+ bit_string[i+1] = nibble_to_hex_char(*s++ & 0xF);
+ }
+ bit_string[i] = 0; /* null terminate string */
+ return bit_string;
+}
+
+char *
+v16_hex_string(v16_t x) {
+ int i, j;
+
+ for (i=j=0; i < 2; i++) {
+ bit_string[j++] = nibble_to_hex_char(x.v8[i] >> 4);
+ bit_string[j++] = nibble_to_hex_char(x.v8[i] & 0xF);
+ }
+
+ bit_string[j] = 0; /* null terminate string */
+ return bit_string;
+}
+
+char *
+v32_hex_string(v32_t x) {
+ int i, j;
+
+ for (i=j=0; i < 4; i++) {
+ bit_string[j++] = nibble_to_hex_char(x.v8[i] >> 4);
+ bit_string[j++] = nibble_to_hex_char(x.v8[i] & 0xF);
+ }
+
+ bit_string[j] = 0; /* null terminate string */
+ return bit_string;
+}
+
+char *
+v64_hex_string(const v64_t *x) {
+ int i, j;
+
+ for (i=j=0; i < 8; i++) {
+ bit_string[j++] = nibble_to_hex_char(x->v8[i] >> 4);
+ bit_string[j++] = nibble_to_hex_char(x->v8[i] & 0xF);
+ }
+
+ bit_string[j] = 0; /* null terminate string */
+ return bit_string;
+}
+
+char *
+v128_hex_string(v128_t *x) {
+ int i, j;
+
+ for (i=j=0; i < 16; i++) {
+ bit_string[j++] = nibble_to_hex_char(x->v8[i] >> 4);
+ bit_string[j++] = nibble_to_hex_char(x->v8[i] & 0xF);
+ }
+
+ bit_string[j] = 0; /* null terminate string */
+ return bit_string;
+}
+
+char *
+char_to_hex_string(char *x, int num_char) {
+ int i, j;
+
+ if (num_char >= 16)
+ num_char = 16;
+ for (i=j=0; i < num_char; i++) {
+ bit_string[j++] = nibble_to_hex_char(x[i] >> 4);
+ bit_string[j++] = nibble_to_hex_char(x[i] & 0xF);
+ }
+
+ bit_string[j] = 0; /* null terminate string */
+ return bit_string;
+}
+
+int
+hex_char_to_nibble(uint8_t c) {
+ switch(c) {
+ case ('0'): return 0x0;
+ case ('1'): return 0x1;
+ case ('2'): return 0x2;
+ case ('3'): return 0x3;
+ case ('4'): return 0x4;
+ case ('5'): return 0x5;
+ case ('6'): return 0x6;
+ case ('7'): return 0x7;
+ case ('8'): return 0x8;
+ case ('9'): return 0x9;
+ case ('a'): return 0xa;
+ case ('A'): return 0xa;
+ case ('b'): return 0xb;
+ case ('B'): return 0xb;
+ case ('c'): return 0xc;
+ case ('C'): return 0xc;
+ case ('d'): return 0xd;
+ case ('D'): return 0xd;
+ case ('e'): return 0xe;
+ case ('E'): return 0xe;
+ case ('f'): return 0xf;
+ case ('F'): return 0xf;
+ default: return -1; /* this flags an error */
+ }
+ /* NOTREACHED */
+ return -1; /* this keeps compilers from complaining */
+}
+
+int
+is_hex_string(char *s) {
+ while(*s != 0)
+ if (hex_char_to_nibble(*s++) == -1)
+ return 0;
+ return 1;
+}
+
+uint8_t
+hex_string_to_octet(char *s) {
+ uint8_t x;
+
+ x = (hex_char_to_nibble(s[0]) << 4)
+ | hex_char_to_nibble(s[1] & 0xFF);
+
+ return x;
+}
+
+/*
+ * hex_string_to_octet_string converts a hexadecimal string
+ * of length 2 * len to a raw octet string of length len
+ */
+
+int
+hex_string_to_octet_string(char *raw, char *hex, int len) {
+ uint8_t x;
+ int tmp;
+ int hex_len;
+
+ hex_len = 0;
+ while (hex_len < len) {
+ tmp = hex_char_to_nibble(hex[0]);
+ if (tmp == -1)
+ return hex_len;
+ x = (tmp << 4);
+ hex_len++;
+ tmp = hex_char_to_nibble(hex[1]);
+ if (tmp == -1)
+ return hex_len;
+ x |= (tmp & 0xff);
+ hex_len++;
+ *raw++ = x;
+ hex += 2;
+ }
+ return hex_len;
+}
+
+v16_t
+hex_string_to_v16(char *s) {
+ v16_t x;
+ int i, j;
+
+ for (i=j=0; i < 4; i += 2, j++) {
+ x.v8[j] = (hex_char_to_nibble(s[i]) << 4)
+ | hex_char_to_nibble(s[i+1] & 0xFF);
+ }
+ return x;
+}
+
+v32_t
+hex_string_to_v32(char *s) {
+ v32_t x;
+ int i, j;
+
+ for (i=j=0; i < 8; i += 2, j++) {
+ x.v8[j] = (hex_char_to_nibble(s[i]) << 4)
+ | hex_char_to_nibble(s[i+1] & 0xFF);
+ }
+ return x;
+}
+
+v64_t
+hex_string_to_v64(char *s) {
+ v64_t x;
+ int i, j;
+
+ for (i=j=0; i < 16; i += 2, j++) {
+ x.v8[j] = (hex_char_to_nibble(s[i]) << 4)
+ | hex_char_to_nibble(s[i+1] & 0xFF);
+ }
+ return x;
+}
+
+v128_t
+hex_string_to_v128(char *s) {
+ v128_t x;
+ int i, j;
+
+ for (i=j=0; i < 32; i += 2, j++) {
+ x.v8[j] = (hex_char_to_nibble(s[i]) << 4)
+ | hex_char_to_nibble(s[i+1] & 0xFF);
+ }
+ return x;
+}
+
+
+
+/*
+ * the matrix A[] is stored in column format, i.e., A[i] is the ith
+ * column of the matrix
+ */
+
+uint8_t
+A_times_x_plus_b(uint8_t A[8], uint8_t x, uint8_t b) {
+ int index = 0;
+ unsigned mask;
+
+ for (mask=1; mask < 256; mask *= 2) {
+ if (x & mask)
+ b^= A[index];
+ ++index;
+ }
+
+ return b;
+}
+
+inline void
+v16_copy_octet_string(v16_t *x, const uint8_t s[2]) {
+ x->v8[0] = s[0];
+ x->v8[1] = s[1];
+}
+
+inline void
+v32_copy_octet_string(v32_t *x, const uint8_t s[4]) {
+ x->v8[0] = s[0];
+ x->v8[1] = s[1];
+ x->v8[2] = s[2];
+ x->v8[3] = s[3];
+}
+
+inline void
+v64_copy_octet_string(v64_t *x, const uint8_t s[8]) {
+ x->v8[0] = s[0];
+ x->v8[1] = s[1];
+ x->v8[2] = s[2];
+ x->v8[3] = s[3];
+ x->v8[4] = s[4];
+ x->v8[5] = s[5];
+ x->v8[6] = s[6];
+ x->v8[7] = s[7];
+}
+
+void
+v128_copy_octet_string(v128_t *x, const uint8_t s[16]) {
+ x->v8[0] = s[0];
+ x->v8[1] = s[1];
+ x->v8[2] = s[2];
+ x->v8[3] = s[3];
+ x->v8[4] = s[4];
+ x->v8[5] = s[5];
+ x->v8[6] = s[6];
+ x->v8[7] = s[7];
+ x->v8[8] = s[8];
+ x->v8[9] = s[9];
+ x->v8[10] = s[10];
+ x->v8[11] = s[11];
+ x->v8[12] = s[12];
+ x->v8[13] = s[13];
+ x->v8[14] = s[14];
+ x->v8[15] = s[15];
+
+}
+
+#ifndef DATATYPES_USE_MACROS /* little functions are not macros */
+
+void
+v128_set_to_zero(v128_t *x) {
+ _v128_set_to_zero(x);
+}
+
+void
+v128_copy(v128_t *x, const v128_t *y) {
+ _v128_copy(x, y);
+}
+
+void
+v128_xor(v128_t *z, v128_t *x, v128_t *y) {
+ _v128_xor(z, x, y);
+}
+
+void
+v128_and(v128_t *z, v128_t *x, v128_t *y) {
+ _v128_and(z, x, y);
+}
+
+void
+v128_or(v128_t *z, v128_t *x, v128_t *y) {
+ _v128_or(z, x, y);
+}
+
+void
+v128_complement(v128_t *x) {
+ _v128_complement(x);
+}
+
+int
+v128_is_eq(const v128_t *x, const v128_t *y) {
+ return _v128_is_eq(x, y);
+}
+
+int
+v128_get_bit(const v128_t *x, int i) {
+ return _v128_get_bit(x, i);
+}
+
+void
+v128_set_bit(v128_t *x, int i) {
+ _v128_set_bit(x, i);
+}
+
+void
+v128_clear_bit(v128_t *x, int i){
+ _v128_clear_bit(x, i);
+}
+
+void
+v128_set_bit_to(v128_t *x, int i, int y){
+ _v128_set_bit_to(x, i, y);
+}
+
+
+#endif /* DATATYPES_USE_MACROS */
+
+
+inline void
+v128_left_shift2(v128_t *x, int num_bits) {
+ int i;
+ int word_shift = num_bits >> 5;
+ int bit_shift = num_bits & 31;
+
+ for (i=0; i < (4-word_shift); i++) {
+ x->v32[i] = x->v32[i+word_shift] << bit_shift;
+ }
+
+ for ( ; i < word_shift; i++) {
+ x->v32[i] = 0;
+ }
+
+}
+
+void
+v128_right_shift(v128_t *x, int index) {
+ const int base_index = index >> 5;
+ const int bit_index = index & 31;
+ int i, from;
+ uint32_t b;
+
+ if (index > 127) {
+ v128_set_to_zero(x);
+ return;
+ }
+
+ if (bit_index == 0) {
+
+ /* copy each word from left size to right side */
+ x->v32[4-1] = x->v32[4-1-base_index];
+ for (i=4-1; i > base_index; i--)
+ x->v32[i-1] = x->v32[i-1-base_index];
+
+ } else {
+
+ /* set each word to the "or" of the two bit-shifted words */
+ for (i = 4; i > base_index; i--) {
+ from = i-1 - base_index;
+ b = x->v32[from] << bit_index;
+ if (from > 0)
+ b |= x->v32[from-1] >> (32-bit_index);
+ x->v32[i-1] = b;
+ }
+
+ }
+
+ /* now wrap up the final portion */
+ for (i=0; i < base_index; i++)
+ x->v32[i] = 0;
+
+}
+
+void
+v128_left_shift(v128_t *x, int index) {
+ int i;
+ const int base_index = index >> 5;
+ const int bit_index = index & 31;
+
+ if (index > 127) {
+ v128_set_to_zero(x);
+ return;
+ }
+
+ if (bit_index == 0) {
+ for (i=0; i < 4 - base_index; i++)
+ x->v32[i] = x->v32[i+base_index];
+ } else {
+ for (i=0; i < 4 - base_index - 1; i++)
+ x->v32[i] = (x->v32[i+base_index] << bit_index) ^
+ (x->v32[i+base_index+1] >> (32 - bit_index));
+ x->v32[4 - base_index-1] = x->v32[4-1] << bit_index;
+ }
+
+ /* now wrap up the final portion */
+ for (i = 4 - base_index; i < 4; i++)
+ x->v32[i] = 0;
+
+}
+
+
+#if 0
+void
+v128_add(v128_t *z, v128_t *x, v128_t *y) {
+ /* integer addition modulo 2^128 */
+
+#ifdef WORDS_BIGENDIAN
+ uint64_t tmp;
+
+ tmp = x->v32[3] + y->v32[3];
+ z->v32[3] = (uint32_t) tmp;
+
+ tmp = x->v32[2] + y->v32[2] + (tmp >> 32);
+ z->v32[2] = (uint32_t) tmp;
+
+ tmp = x->v32[1] + y->v32[1] + (tmp >> 32);
+ z->v32[1] = (uint32_t) tmp;
+
+ tmp = x->v32[0] + y->v32[0] + (tmp >> 32);
+ z->v32[0] = (uint32_t) tmp;
+
+#else /* assume little endian architecture */
+ uint64_t tmp;
+
+ tmp = htonl(x->v32[3]) + htonl(y->v32[3]);
+ z->v32[3] = ntohl((uint32_t) tmp);
+
+ tmp = htonl(x->v32[2]) + htonl(y->v32[2]) + htonl(tmp >> 32);
+ z->v32[2] = ntohl((uint32_t) tmp);
+
+ tmp = htonl(x->v32[1]) + htonl(y->v32[1]) + htonl(tmp >> 32);
+ z->v32[1] = ntohl((uint32_t) tmp);
+
+ tmp = htonl(x->v32[0]) + htonl(y->v32[0]) + htonl(tmp >> 32);
+ z->v32[0] = ntohl((uint32_t) tmp);
+
+#endif /* WORDS_BIGENDIAN */
+
+}
+#endif
+
+int
+octet_string_is_eq(uint8_t *a, uint8_t *b, int len) {
+ uint8_t *end = b + len;
+ while (b < end)
+ if (*a++ != *b++)
+ return 1;
+ return 0;
+}
+
+void
+octet_string_set_to_zero(uint8_t *s, int len) {
+ uint8_t *end = s + len;
+
+ do {
+ *s = 0;
+ } while (++s < end);
+
+}
+
+
+/* functions below not yet tested! */
+
+int
+v32_low_bit(v32_t *w) {
+ int value;
+
+ value = low_bit[w->v8[0]];
+ if (value != -1)
+ return value;
+ value = low_bit[w->v8[1]];
+ if (value != -1)
+ return value + 8;
+ value = low_bit[w->v8[2]];
+ if (value != -1)
+ return value + 16;
+ value = low_bit[w->v8[3]];
+ if (value == -1)
+ return -1;
+ return value + 24;
+}
+
+/* high_bit not done yet */
+
+
+
+
+
diff --git a/crypto/math/stat.c b/crypto/math/stat.c
new file mode 100644
index 0000000..5e46c20
--- /dev/null
+++ b/crypto/math/stat.c
@@ -0,0 +1,367 @@
+/*
+ * stats.c
+ *
+ * statistical tests for randomness (FIPS 140-2, Section 4.9)
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+#include "stat.h"
+
+debug_module_t mod_stat = {
+ 0, /* debugging is off by default */
+ (char *)"stat test" /* printable module name */
+};
+
+/*
+ * each test assumes that 20,000 bits (2500 octets) of data is
+ * provided as input
+ */
+
+#define STAT_TEST_DATA_LEN 2500
+
+err_status_t
+stat_test_monobit(uint8_t *data) {
+ uint8_t *data_end = data + STAT_TEST_DATA_LEN;
+ uint16_t ones_count;
+
+ ones_count = 0;
+ while (data < data_end) {
+ ones_count += octet_get_weight(*data);
+ data++;
+ }
+
+ debug_print(mod_stat, "bit count: %d", ones_count);
+
+ if ((ones_count < 9725) || (ones_count > 10275))
+ return err_status_algo_fail;
+
+ return err_status_ok;
+}
+
+err_status_t
+stat_test_poker(uint8_t *data) {
+ int i;
+ uint8_t *data_end = data + STAT_TEST_DATA_LEN;
+ double poker;
+ uint16_t f[16] = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0
+ };
+
+ while (data < data_end) {
+ f[*data & 0x0f]++; /* increment freq. count for low nibble */
+ f[(*data) >> 4]++; /* increment freq. count for high nibble */
+ data++;
+ }
+
+ poker = 0.0;
+ for (i=0; i < 16; i++)
+ poker += (double) f[i] * f[i];
+
+ poker *= (16.0 / 5000.0);
+ poker -= 5000.0;
+
+ debug_print(mod_stat, "poker test: %f\n", poker);
+
+ if ((poker < 2.16) || (poker > 46.17))
+ return err_status_algo_fail;
+
+ return err_status_ok;
+}
+
+
+/*
+ * runs[i] holds the number of runs of size (i-1)
+ */
+
+err_status_t
+stat_test_runs(uint8_t *data) {
+ uint8_t *data_end = data + STAT_TEST_DATA_LEN;
+ uint16_t runs[6] = { 0, 0, 0, 0, 0, 0 };
+ uint16_t gaps[6] = { 0, 0, 0, 0, 0, 0 };
+ uint16_t lo_value[6] = { 2315, 1114, 527, 240, 103, 103 };
+ uint16_t hi_value[6] = { 2685, 1386, 723, 384, 209, 209 };
+ int state = 0;
+ uint16_t mask;
+ int i;
+
+ /*
+ * the state variable holds the number of bits in the
+ * current run (or gap, if negative)
+ */
+
+ while (data < data_end) {
+
+ /* loop over the bits of this byte */
+ for (mask = 1; mask < 256; mask <<= 1) {
+ if (*data & mask) {
+
+ /* next bit is a one */
+ if (state > 0) {
+
+ /* prefix is a run, so increment the run-count */
+ state++;
+
+ /* check for long runs */
+ if (state > 25) {
+ debug_print(mod_stat, ">25 runs: %d", state);
+ return err_status_algo_fail;
+ }
+
+ } else if (state < 0) {
+
+ /* prefix is a gap */
+ if (state < -25) {
+ debug_print(mod_stat, ">25 gaps: %d", state);
+ return err_status_algo_fail; /* long-runs test failed */
+ }
+ if (state < -6) {
+ state = -6; /* group together gaps > 5 */
+ }
+ gaps[-1-state]++; /* increment gap count */
+ state = 1; /* set state at one set bit */
+ } else {
+
+ /* state is zero; this happens only at initialization */
+ state = 1;
+ }
+ } else {
+
+ /* next bit is a zero */
+ if (state > 0) {
+
+ /* prefix is a run */
+ if (state > 25) {
+ debug_print(mod_stat, ">25 runs (2): %d", state);
+ return err_status_algo_fail; /* long-runs test failed */
+ }
+ if (state > 6) {
+ state = 6; /* group together runs > 5 */
+ }
+ runs[state-1]++; /* increment run count */
+ state = -1; /* set state at one zero bit */
+ } else if (state < 0) {
+
+ /* prefix is a gap, so increment gap-count (decrement state) */
+ state--;
+
+ /* check for long gaps */
+ if (state < -25) {
+ debug_print(mod_stat, ">25 gaps (2): %d", state);
+ return err_status_algo_fail;
+ }
+
+ } else {
+
+ /* state is zero; this happens only at initialization */
+ state = -1;
+ }
+ }
+ }
+
+ /* move along to next octet */
+ data++;
+ }
+
+ if (mod_stat.on) {
+ debug_print(mod_stat, "runs test", NULL);
+ for (i=0; i < 6; i++)
+ debug_print(mod_stat, " runs[]: %d", runs[i]);
+ for (i=0; i < 6; i++)
+ debug_print(mod_stat, " gaps[]: %d", gaps[i]);
+ }
+
+ /* check run and gap counts against the fixed limits */
+ for (i=0; i < 6; i++)
+ if ( (runs[i] < lo_value[i] ) || (runs[i] > hi_value[i])
+ || (gaps[i] < lo_value[i] ) || (gaps[i] > hi_value[i]))
+ return err_status_algo_fail;
+
+
+ return err_status_ok;
+}
+
+
+/*
+ * the function stat_test_rand_source applys the FIPS-140-2 statistical
+ * tests to the random source defined by rs
+ *
+ */
+
+#define RAND_SRC_BUF_OCTETS 50 /* this value MUST divide 2500! */
+
+err_status_t
+stat_test_rand_source(rand_source_func_t get_rand_bytes) {
+ int i;
+ double poker;
+ uint8_t *data, *data_end;
+ uint16_t f[16] = {
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0
+ };
+ uint8_t buffer[RAND_SRC_BUF_OCTETS];
+ err_status_t status;
+ int ones_count = 0;
+ uint16_t runs[6] = { 0, 0, 0, 0, 0, 0 };
+ uint16_t gaps[6] = { 0, 0, 0, 0, 0, 0 };
+ uint16_t lo_value[6] = { 2315, 1114, 527, 240, 103, 103 };
+ uint16_t hi_value[6] = { 2685, 1386, 723, 384, 209, 209 };
+ int state = 0;
+ uint16_t mask;
+
+ /* counters for monobit, poker, and runs tests are initialized above */
+
+ /* main loop: fill buffer, update counters for stat tests */
+ for (i=0; i < 2500; i+=RAND_SRC_BUF_OCTETS) {
+
+ /* fill data buffer */
+ status = get_rand_bytes(buffer, RAND_SRC_BUF_OCTETS);
+ if (status) {
+ debug_print(mod_stat, "couldn't get rand bytes: %d",status);
+ return status;
+ }
+
+#if 0
+ debug_print(mod_stat, "%s",
+ octet_string_hex_string(buffer, RAND_SRC_BUF_OCTETS));
+#endif
+
+ data = buffer;
+ data_end = data + RAND_SRC_BUF_OCTETS;
+ while (data < data_end) {
+
+ /* update monobit test counter */
+ ones_count += octet_get_weight(*data);
+
+ /* update poker test counters */
+ f[*data & 0x0f]++; /* increment freq. count for low nibble */
+ f[(*data) >> 4]++; /* increment freq. count for high nibble */
+
+ /* update runs test counters */
+ /* loop over the bits of this byte */
+ for (mask = 1; mask < 256; mask <<= 1) {
+ if (*data & mask) {
+
+ /* next bit is a one */
+ if (state > 0) {
+
+ /* prefix is a run, so increment the run-count */
+ state++;
+
+ /* check for long runs */
+ if (state > 25) {
+ debug_print(mod_stat, ">25 runs (3): %d", state);
+ return err_status_algo_fail;
+ }
+
+ } else if (state < 0) {
+
+ /* prefix is a gap */
+ if (state < -25) {
+ debug_print(mod_stat, ">25 gaps (3): %d", state);
+ return err_status_algo_fail; /* long-runs test failed */
+ }
+ if (state < -6) {
+ state = -6; /* group together gaps > 5 */
+ }
+ gaps[-1-state]++; /* increment gap count */
+ state = 1; /* set state at one set bit */
+ } else {
+
+ /* state is zero; this happens only at initialization */
+ state = 1;
+ }
+ } else {
+
+ /* next bit is a zero */
+ if (state > 0) {
+
+ /* prefix is a run */
+ if (state > 25) {
+ debug_print(mod_stat, ">25 runs (4): %d", state);
+ return err_status_algo_fail; /* long-runs test failed */
+ }
+ if (state > 6) {
+ state = 6; /* group together runs > 5 */
+ }
+ runs[state-1]++; /* increment run count */
+ state = -1; /* set state at one zero bit */
+ } else if (state < 0) {
+
+ /* prefix is a gap, so increment gap-count (decrement state) */
+ state--;
+
+ /* check for long gaps */
+ if (state < -25) {
+ debug_print(mod_stat, ">25 gaps (4): %d", state);
+ return err_status_algo_fail;
+ }
+
+ } else {
+
+ /* state is zero; this happens only at initialization */
+ state = -1;
+ }
+ }
+ }
+
+ /* advance data pointer */
+ data++;
+ }
+ }
+
+ /* check to see if test data is within bounds */
+
+ /* check monobit test data */
+
+ debug_print(mod_stat, "stat: bit count: %d", ones_count);
+
+ if ((ones_count < 9725) || (ones_count > 10275)) {
+ debug_print(mod_stat, "stat: failed monobit test %d", ones_count);
+ return err_status_algo_fail;
+ }
+
+ /* check poker test data */
+ poker = 0.0;
+ for (i=0; i < 16; i++)
+ poker += (double) f[i] * f[i];
+
+ poker *= (16.0 / 5000.0);
+ poker -= 5000.0;
+
+ debug_print(mod_stat, "stat: poker test: %f", poker);
+
+ if ((poker < 2.16) || (poker > 46.17)) {
+ debug_print(mod_stat, "stat: failed poker test", NULL);
+ return err_status_algo_fail;
+ }
+
+ /* check run and gap counts against the fixed limits */
+ for (i=0; i < 6; i++)
+ if ((runs[i] < lo_value[i] ) || (runs[i] > hi_value[i])
+ || (gaps[i] < lo_value[i] ) || (gaps[i] > hi_value[i])) {
+ debug_print(mod_stat, "stat: failed run/gap test", NULL);
+ return err_status_algo_fail;
+ }
+
+ debug_print(mod_stat, "passed random stat test", NULL);
+ return err_status_ok;
+}
+
+err_status_t
+stat_test_rand_source_with_repetition(rand_source_func_t source, unsigned num_trials) {
+ unsigned int i;
+ err_status_t err = err_status_algo_fail;
+
+ for (i=0; i < num_trials; i++) {
+ err = stat_test_rand_source(source);
+ if (err == err_status_ok) {
+ return err_status_ok;
+ }
+ debug_print(mod_stat, "failed stat test (try number %d)\n", i);
+ }
+
+ return err;
+}
diff --git a/crypto/replay/rdb.c b/crypto/replay/rdb.c
new file mode 100644
index 0000000..215f2ab
--- /dev/null
+++ b/crypto/replay/rdb.c
@@ -0,0 +1,137 @@
+/*
+ * rdb.c
+ *
+ * Implements a replay database for packet security
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "rdb.h"
+
+
+/*
+ * this implementation of a replay database works as follows:
+ *
+ * window_start is the index of the first packet in the window
+ * bitmask a bit-buffer, containing the most recently entered
+ * index as the leftmost bit
+ *
+ */
+
+/* rdb_init initalizes rdb */
+
+err_status_t
+rdb_init(rdb_t *rdb) {
+ v128_set_to_zero(&rdb->bitmask);
+ rdb->window_start = 0;
+ return err_status_ok;
+}
+
+/*
+ * rdb_check checks to see if index appears in rdb
+ */
+
+err_status_t
+rdb_check(const rdb_t *rdb, uint32_t index) {
+
+ /* if the index appears after (or at very end of) the window, its good */
+ if (index >= rdb->window_start + rdb_bits_in_bitmask)
+ return err_status_ok;
+
+ /* if the index appears before the window, its bad */
+ if (index < rdb->window_start)
+ return err_status_replay_old;
+
+ /* otherwise, the index appears within the window, so check the bitmask */
+ if (v128_get_bit(&rdb->bitmask, (index - rdb->window_start)) == 1)
+ return err_status_replay_fail;
+
+ /* otherwise, the index is okay */
+ return err_status_ok;
+}
+
+/*
+ * rdb_add_index adds index to rdb_t (and does *not* check if
+ * index appears in db)
+ *
+ * this function should be called only after rdb_check has
+ * indicated that the index does not appear in the rdb, e.g., a mutex
+ * should protect the rdb between these calls
+ */
+
+err_status_t
+rdb_add_index(rdb_t *rdb, uint32_t index) {
+ int delta;
+
+ /* here we *assume* that index > rdb->window_start */
+
+ delta = (index - rdb->window_start);
+ if (delta < rdb_bits_in_bitmask) {
+
+ /* if the index is within the window, set the appropriate bit */
+ v128_set_bit(&rdb->bitmask, delta);
+
+ } else {
+
+ delta -= rdb_bits_in_bitmask - 1;
+
+ /* shift the window forward by delta bits*/
+ v128_left_shift(&rdb->bitmask, delta);
+ v128_set_bit(&rdb->bitmask, rdb_bits_in_bitmask - 1);
+ rdb->window_start += delta;
+
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+rdb_increment(rdb_t *rdb) {
+
+ if (rdb->window_start++ > 0x7fffffff)
+ return err_status_key_expired;
+ return err_status_ok;
+}
+
+uint32_t
+rdb_get_value(const rdb_t *rdb) {
+ return rdb->window_start;
+}
diff --git a/crypto/replay/rdbx.c b/crypto/replay/rdbx.c
new file mode 100644
index 0000000..633d0ba
--- /dev/null
+++ b/crypto/replay/rdbx.c
@@ -0,0 +1,361 @@
+/*
+ * rdbx.c
+ *
+ * a replay database with extended range, using a rollover counter
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "rdbx.h"
+
+
+/*
+ * from draft-ietf-avt-srtp-00.txt:
+ *
+ * A receiver reconstructs the index i of a packet with sequence
+ * number s using the estimate
+ *
+ * i = 65,536 * t + s,
+ *
+ * where t is chosen from the set { r-1, r, r+1 } such that i is
+ * closest to the value 65,536 * r + s_l. If the value r+1 is used,
+ * then the rollover counter r in the cryptographic context is
+ * incremented by one (if the packet containing s is authentic).
+ */
+
+
+
+/*
+ * rdbx implementation notes
+ *
+ * A xtd_seq_num_t is essentially a sequence number for which some of
+ * the data on the wire are implicit. It logically consists of a
+ * rollover counter and a sequence number; the sequence number is the
+ * explicit part, and the rollover counter is the implicit part.
+ *
+ * Upon receiving a sequence_number (e.g. in a newly received SRTP
+ * packet), the complete xtd_seq_num_t can be estimated by using a
+ * local xtd_seq_num_t as a basis. This is done using the function
+ * index_guess(&local, &guess, seq_from_packet). This function
+ * returns the difference of the guess and the local value. The local
+ * xtd_seq_num_t can be moved forward to the guess using the function
+ * index_advance(&guess, delta), where delta is the difference.
+ *
+ *
+ * A rdbx_t consists of a xtd_seq_num_t and a bitmask. The index is highest
+ * sequence number that has been received, and the bitmask indicates
+ * which of the recent indicies have been received as well. The
+ * highest bit in the bitmask corresponds to the index in the bitmask.
+ */
+
+
+void
+index_init(xtd_seq_num_t *pi) {
+#ifdef NO_64BIT_MATH
+ *pi = make64(0,0);
+#else
+ *pi = 0;
+#endif
+}
+
+void
+index_advance(xtd_seq_num_t *pi, sequence_number_t s) {
+#ifdef NO_64BIT_MATH
+ /* a > ~b means a+b will generate a carry */
+ /* s is uint16 here */
+ *pi = make64(high32(*pi) + (s > ~low32(*pi) ? 1 : 0),low32(*pi) + s);
+#else
+ *pi += s;
+#endif
+}
+
+
+/*
+ * index_guess(local, guess, s)
+ *
+ * given a xtd_seq_num_t local (which represents the last
+ * known-to-be-good received xtd_seq_num_t) and a sequence number s
+ * (from a newly arrived packet), sets the contents of *guess to
+ * contain the best guess of the packet index to which s corresponds,
+ * and returns the difference between *guess and *local
+ *
+ * nota bene - the output is a signed integer, DON'T cast it to a
+ * unsigned integer!
+ */
+
+int
+index_guess(const xtd_seq_num_t *local,
+ xtd_seq_num_t *guess,
+ sequence_number_t s) {
+#ifdef NO_64BIT_MATH
+ uint32_t local_roc = ((high32(*local) << 16) |
+ (low32(*local) >> 16));
+ uint16_t local_seq = (uint16_t) (low32(*local));
+#else
+ uint32_t local_roc = (uint32_t)(*local >> 16);
+ uint16_t local_seq = (uint16_t) *local;
+#endif
+#ifdef NO_64BIT_MATH
+ uint32_t guess_roc = ((high32(*guess) << 16) |
+ (low32(*guess) >> 16));
+ uint16_t guess_seq = (uint16_t) (low32(*guess));
+#else
+ uint32_t guess_roc = (uint32_t)(*guess >> 16);
+ uint16_t guess_seq = (uint16_t) *guess;
+#endif
+ int difference;
+
+ if (local_seq < seq_num_median) {
+ if (s - local_seq > seq_num_median) {
+ guess_roc = local_roc - 1;
+ // The return value is the relative difference from local_seq to s.
+ // The original value is negation of its purpose. According to document
+ // http://www.ietf.org/rfc/rfc3711.txt, when this condition is true, the
+ // resulting new index should be (local_roc-1, s). But original logic
+ // will end up positive difference and rdbx_check would pass. Hence after
+ // rdbx_add_index would make local index to be the wrong value because
+ // local index should not be updated in this case. For example, when
+ // local index is (1, 100) and next sequence is 65530, the wrong updated
+ // index would be (1, 205).
+ difference = s - local_seq - seq_num_max;
+ } else {
+ guess_roc = local_roc;
+ difference = s - local_seq;
+ }
+ } else {
+ if (local_seq - seq_num_median > s) {
+ guess_roc = local_roc+1;
+ difference = seq_num_max - local_seq + s;
+ } else {
+ difference = s - local_seq;
+ guess_roc = local_roc;
+ }
+ }
+ guess_seq = s;
+
+ /* Note: guess_roc is 32 bits, so this generates a 48-bit result! */
+#ifdef NO_64BIT_MATH
+ *guess = make64(guess_roc >> 16,
+ (guess_roc << 16) | guess_seq);
+#else
+ *guess = (((uint64_t) guess_roc) << 16) | guess_seq;
+#endif
+
+ return difference;
+}
+
+/*
+ * rdbx
+ *
+ */
+
+
+/*
+ * rdbx_init(&r, ws) initializes the rdbx_t pointed to by r with window size ws
+ */
+
+err_status_t
+rdbx_init(rdbx_t *rdbx, unsigned long ws) {
+ if (ws == 0)
+ return err_status_bad_param;
+
+ if (bitvector_alloc(&rdbx->bitmask, ws) != 0)
+ return err_status_alloc_fail;
+
+ index_init(&rdbx->index);
+
+ return err_status_ok;
+}
+
+/*
+ * rdbx_uninit(&r) uninitializes the rdbx_t pointed to by r
+ */
+
+err_status_t
+rdbx_uninit(rdbx_t *rdbx) {
+ bitvector_dealloc(&rdbx->bitmask);
+
+ return err_status_ok;
+}
+
+/*
+ * rdbx_set_roc(rdbx, roc) initalizes the rdbx_t at the location rdbx
+ * to have the rollover counter value roc. If that value is less than
+ * the current rollover counter value, then the function returns
+ * err_status_replay_old; otherwise, err_status_ok is returned.
+ *
+ */
+
+err_status_t
+rdbx_set_roc(rdbx_t *rdbx, uint32_t roc) {
+ bitvector_set_to_zero(&rdbx->bitmask);
+
+#ifdef NO_64BIT_MATH
+ #error not yet implemented
+#else
+
+ /* make sure that we're not moving backwards */
+ if (roc < (rdbx->index >> 16))
+ return err_status_replay_old;
+
+ rdbx->index &= 0xffff; /* retain lowest 16 bits */
+ rdbx->index |= ((uint64_t)roc) << 16; /* set ROC */
+#endif
+
+ return err_status_ok;
+}
+
+/*
+ * rdbx_get_packet_index(rdbx) returns the value of the packet index
+ * for the rdbx_t pointed to by rdbx
+ *
+ */
+
+xtd_seq_num_t
+rdbx_get_packet_index(const rdbx_t *rdbx) {
+ return rdbx->index;
+}
+
+/*
+ * rdbx_get_window_size(rdbx) returns the value of the window size
+ * for the rdbx_t pointed to by rdbx
+ *
+ */
+
+unsigned long
+rdbx_get_window_size(const rdbx_t *rdbx) {
+ return bitvector_get_length(&rdbx->bitmask);
+}
+
+/*
+ * rdbx_check(&r, delta) checks to see if the xtd_seq_num_t
+ * which is at rdbx->index + delta is in the rdb
+ */
+
+err_status_t
+rdbx_check(const rdbx_t *rdbx, int delta) {
+
+ if (delta > 0) { /* if delta is positive, it's good */
+ return err_status_ok;
+ } else if ((int)(bitvector_get_length(&rdbx->bitmask) - 1) + delta < 0) {
+ /* if delta is lower than the bitmask, it's bad */
+ return err_status_replay_old;
+ } else if (bitvector_get_bit(&rdbx->bitmask,
+ (int)(bitvector_get_length(&rdbx->bitmask) - 1) + delta) == 1) {
+ /* delta is within the window, so check the bitmask */
+ return err_status_replay_fail;
+ }
+ /* otherwise, the index is okay */
+
+ return err_status_ok;
+}
+
+/*
+ * rdbx_add_index adds the xtd_seq_num_t at rdbx->window_start + d to
+ * replay_db (and does *not* check if that xtd_seq_num_t appears in db)
+ *
+ * this function should be called only after replay_check has
+ * indicated that the index does not appear in the rdbx, e.g., a mutex
+ * should protect the rdbx between these calls if need be
+ */
+
+err_status_t
+rdbx_add_index(rdbx_t *rdbx, int delta) {
+
+ if (delta > 0) {
+ /* shift forward by delta */
+ index_advance(&rdbx->index, delta);
+ bitvector_left_shift(&rdbx->bitmask, delta);
+ bitvector_set_bit(&rdbx->bitmask, bitvector_get_length(&rdbx->bitmask) - 1);
+ } else {
+ /* delta is in window, so flip bit in bitmask */
+ bitvector_set_bit(&rdbx->bitmask, -delta);
+ }
+
+ /* note that we need not consider the case that delta == 0 */
+
+ return err_status_ok;
+}
+
+
+
+/*
+ * rdbx_estimate_index(rdbx, guess, s)
+ *
+ * given an rdbx and a sequence number s (from a newly arrived packet),
+ * sets the contents of *guess to contain the best guess of the packet
+ * index to which s corresponds, and returns the difference between
+ * *guess and the locally stored synch info
+ */
+
+int
+rdbx_estimate_index(const rdbx_t *rdbx,
+ xtd_seq_num_t *guess,
+ sequence_number_t s) {
+
+ /*
+ * if the sequence number and rollover counter in the rdbx are
+ * non-zero, then use the index_guess(...) function, otherwise, just
+ * set the rollover counter to zero (since the index_guess(...)
+ * function might incorrectly guess that the rollover counter is
+ * 0xffffffff)
+ */
+
+#ifdef NO_64BIT_MATH
+ /* seq_num_median = 0x8000 */
+ if (high32(rdbx->index) > 0 ||
+ low32(rdbx->index) > seq_num_median)
+#else
+ if (rdbx->index > seq_num_median)
+#endif
+ return index_guess(&rdbx->index, guess, s);
+
+#ifdef NO_64BIT_MATH
+ *guess = make64(0,(uint32_t) s);
+#else
+ *guess = s;
+#endif
+
+#ifdef NO_64BIT_MATH
+ return s - (uint16_t) low32(rdbx->index);
+#else
+ return s - (uint16_t) rdbx->index;
+#endif
+}
diff --git a/crypto/replay/ut_sim.c b/crypto/replay/ut_sim.c
new file mode 100644
index 0000000..43c411e
--- /dev/null
+++ b/crypto/replay/ut_sim.c
@@ -0,0 +1,105 @@
+/*
+ * ut_sim.c
+ *
+ * an unreliable transport simulator
+ * (for testing replay databases and suchlike)
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "ut_sim.h"
+
+
+int
+ut_compar(const void *a, const void *b) {
+ return rand() > (RAND_MAX/2) ? -1 : 1;
+}
+
+void
+ut_init(ut_connection *utc) {
+ int i;
+ utc->index = 0;
+
+ for (i=0; i < UT_BUF; i++)
+ utc->buffer[i] = i;
+
+ qsort(utc->buffer, UT_BUF, sizeof(uint32_t), ut_compar);
+
+ utc->index = UT_BUF - 1;
+}
+
+uint32_t
+ut_next_index(ut_connection *utc) {
+ uint32_t tmp;
+
+ tmp = utc->buffer[0];
+ utc->index++;
+ utc->buffer[0] = utc->index;
+
+ qsort(utc->buffer, UT_BUF, sizeof(uint32_t), ut_compar);
+
+ return tmp;
+}
+
+
+
+#ifdef UT_TEST
+
+#include <stdio.h>
+
+int
+main() {
+ uint32_t i, irecvd, idiff;
+ ut_connection utc;
+
+ ut_init(&utc);
+
+ for (i=0; i < 1000; i++) {
+ irecvd = ut_next_index(&utc);
+ idiff = i - irecvd;
+ printf("%lu\t%lu\t%d\n", i, irecvd, idiff);
+ }
+
+ return 0;
+}
+
+
+#endif
diff --git a/crypto/rng/ctr_prng.c b/crypto/rng/ctr_prng.c
new file mode 100644
index 0000000..ab76df3
--- /dev/null
+++ b/crypto/rng/ctr_prng.c
@@ -0,0 +1,108 @@
+/*
+ * ctr_prng.c
+ *
+ * counter mode based pseudorandom source
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "prng.h"
+
+/* single, global prng structure */
+
+ctr_prng_t ctr_prng;
+
+err_status_t
+ctr_prng_init(rand_source_func_t random_source) {
+ uint8_t tmp_key[32];
+ err_status_t status;
+
+ /* initialize output count to zero */
+ ctr_prng.octet_count = 0;
+
+ /* set random source */
+ ctr_prng.rand = random_source;
+
+ /* initialize secret key from random source */
+ status = random_source(tmp_key, 32);
+ if (status)
+ return status;
+
+ /* initialize aes ctr context with random key */
+ status = aes_icm_context_init(&ctr_prng.state, tmp_key);
+ if (status)
+ return status;
+
+ return err_status_ok;
+}
+
+err_status_t
+ctr_prng_get_octet_string(void *dest, uint32_t len) {
+ err_status_t status;
+
+ /*
+ * if we need to re-initialize the prng, do so now
+ *
+ * avoid 32-bit overflows by subtracting instead of adding
+ */
+ if (ctr_prng.octet_count > MAX_PRNG_OUT_LEN - len) {
+ status = ctr_prng_init(ctr_prng.rand);
+ if (status)
+ return status;
+ }
+ ctr_prng.octet_count += len;
+
+ /*
+ * write prng output
+ */
+ status = aes_icm_output(&ctr_prng.state, (uint8_t*)dest, len);
+ if (status)
+ return status;
+
+ return err_status_ok;
+}
+
+err_status_t
+ctr_prng_deinit(void) {
+
+ /* nothing */
+
+ return err_status_ok;
+}
diff --git a/crypto/rng/prng.c b/crypto/rng/prng.c
new file mode 100644
index 0000000..69350a4
--- /dev/null
+++ b/crypto/rng/prng.c
@@ -0,0 +1,180 @@
+/*
+ * prng.c
+ *
+ * pseudorandom source
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "prng.h"
+
+/* single, global prng structure */
+
+x917_prng_t x917_prng;
+
+err_status_t
+x917_prng_init(rand_source_func_t random_source) {
+ v128_t tmp_key;
+ err_status_t status;
+
+ /* initialize output count to zero */
+ x917_prng.octet_count = 0;
+
+ /* set random source */
+ x917_prng.rand = random_source;
+
+ /* initialize secret key from random source */
+ status = random_source((uint8_t *)&tmp_key, 16);
+ if (status)
+ return status;
+
+ /* expand aes key */
+ aes_expand_encryption_key(&tmp_key, x917_prng.key);
+
+ /* initialize prng state from random source */
+ status = x917_prng.rand((uint8_t *)&x917_prng.state, 16);
+ if (status)
+ return status;
+
+ return err_status_ok;
+}
+
+err_status_t
+x917_prng_get_octet_string(uint8_t *dest, uint32_t len) {
+ uint32_t t;
+ v128_t buffer;
+ uint32_t i, tail_len;
+ err_status_t status;
+
+ /*
+ * if we need to re-initialize the prng, do so now
+ *
+ * avoid overflows by subtracting instead of adding
+ */
+ if (x917_prng.octet_count > MAX_PRNG_OUT_LEN - len) {
+ status = x917_prng_init(x917_prng.rand);
+ if (status)
+ return status;
+ }
+ x917_prng.octet_count += len;
+
+ /* find out the time */
+ t = (uint32_t)time(NULL);
+
+ /* loop until we have output enough data */
+ for (i=0; i < len/16; i++) {
+
+ /* exor time into state */
+ x917_prng.state.v32[0] ^= t;
+
+ /* copy state into buffer */
+ v128_copy(&buffer, &x917_prng.state);
+
+ /* apply aes to buffer */
+ aes_encrypt(&buffer, x917_prng.key);
+
+ /* write data to output */
+ *dest++ = buffer.v8[0];
+ *dest++ = buffer.v8[1];
+ *dest++ = buffer.v8[2];
+ *dest++ = buffer.v8[3];
+ *dest++ = buffer.v8[4];
+ *dest++ = buffer.v8[5];
+ *dest++ = buffer.v8[6];
+ *dest++ = buffer.v8[7];
+ *dest++ = buffer.v8[8];
+ *dest++ = buffer.v8[9];
+ *dest++ = buffer.v8[10];
+ *dest++ = buffer.v8[11];
+ *dest++ = buffer.v8[12];
+ *dest++ = buffer.v8[13];
+ *dest++ = buffer.v8[14];
+ *dest++ = buffer.v8[15];
+
+ /* exor time into buffer */
+ buffer.v32[0] ^= t;
+
+ /* encrypt buffer */
+ aes_encrypt(&buffer, x917_prng.key);
+
+ /* copy buffer into state */
+ v128_copy(&x917_prng.state, &buffer);
+
+ }
+
+ /* if we need to output any more octets, we'll do so now */
+ tail_len = len % 16;
+ if (tail_len) {
+
+ /* exor time into state */
+ x917_prng.state.v32[0] ^= t;
+
+ /* copy value into buffer */
+ v128_copy(&buffer, &x917_prng.state);
+
+ /* apply aes to buffer */
+ aes_encrypt(&buffer, x917_prng.key);
+
+ /* write data to output */
+ for (i=0; i < tail_len; i++) {
+ *dest++ = buffer.v8[i];
+ }
+
+ /* now update the state one more time */
+
+ /* exor time into buffer */
+ buffer.v32[0] ^= t;
+
+ /* encrypt buffer */
+ aes_encrypt(&buffer, x917_prng.key);
+
+ /* copy buffer into state */
+ v128_copy(&x917_prng.state, &buffer);
+
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+x917_prng_deinit(void) {
+
+ return err_status_ok;
+}
diff --git a/crypto/rng/rand_linux_kernel.c b/crypto/rng/rand_linux_kernel.c
new file mode 100644
index 0000000..c51978e
--- /dev/null
+++ b/crypto/rng/rand_linux_kernel.c
@@ -0,0 +1,65 @@
+/*
+ * rand_linux_kernel.c
+ *
+ * implements a random source using Linux kernel functions
+ *
+ * Marcus Sundberg
+ * Ingate Systems AB
+ */
+/*
+ *
+ * Copyright(c) 2005 Ingate Systems AB
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the author(s) nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "config.h"
+#include "rand_source.h"
+
+
+err_status_t
+rand_source_init(void) {
+ return err_status_ok;
+}
+
+err_status_t
+rand_source_get_octet_string(void *dest, uint32_t len) {
+
+ get_random_bytes(dest, len);
+
+ return err_status_ok;
+}
+
+err_status_t
+rand_source_deinit(void) {
+ return err_status_ok;
+}
diff --git a/crypto/rng/rand_source.c b/crypto/rng/rand_source.c
new file mode 100644
index 0000000..6f844c5
--- /dev/null
+++ b/crypto/rng/rand_source.c
@@ -0,0 +1,151 @@
+/*
+ * rand_source.c
+ *
+ * implements a random source based on /dev/random
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "config.h"
+
+#ifdef DEV_URANDOM
+# include <fcntl.h> /* for open() */
+# include <unistd.h> /* for close() */
+#elif defined(HAVE_RAND_S)
+# define _CRT_RAND_S
+# include <stdlib.h>
+#else
+# include <stdio.h>
+#endif
+
+#include "rand_source.h"
+
+
+/*
+ * global dev_rand_fdes is file descriptor for /dev/random
+ *
+ * This variable is also used to indicate that the random source has
+ * been initialized. When this variable is set to the value of the
+ * #define RAND_SOURCE_NOT_READY, it indicates that the random source
+ * is not ready to be used. The value of the #define
+ * RAND_SOURCE_READY is for use whenever that variable is used as an
+ * indicator of the state of the random source, but not as a file
+ * descriptor.
+ */
+
+#define RAND_SOURCE_NOT_READY (-1)
+#define RAND_SOURCE_READY (17)
+
+static int dev_random_fdes = RAND_SOURCE_NOT_READY;
+
+
+err_status_t
+rand_source_init(void) {
+ if (dev_random_fdes >= 0) {
+ /* already open */
+ return err_status_ok;
+ }
+#ifdef DEV_URANDOM
+ /* open random source for reading */
+ dev_random_fdes = open(DEV_URANDOM, O_RDONLY);
+ if (dev_random_fdes < 0)
+ return err_status_init_fail;
+#elif defined(HAVE_RAND_S)
+ dev_random_fdes = RAND_SOURCE_READY;
+#else
+ /* no random source available; let the user know */
+ fprintf(stderr, "WARNING: no real random source present!\n");
+ dev_random_fdes = RAND_SOURCE_READY;
+#endif
+ return err_status_ok;
+}
+
+err_status_t
+rand_source_get_octet_string(void *dest, uint32_t len) {
+
+ /*
+ * read len octets from /dev/random to dest, and
+ * check return value to make sure enough octets were
+ * written
+ */
+#ifdef DEV_URANDOM
+ if (read(dev_random_fdes, dest, len) != len)
+ return err_status_fail;
+#elif defined(HAVE_RAND_S)
+ uint8_t *dst = (uint8_t *)dest;
+ while (len)
+ {
+ unsigned int val;
+ errno_t err = rand_s(&val);
+
+ if (err != 0)
+ return err_status_fail;
+
+ *dst++ = val & 0xff;
+ len--;
+ }
+#else
+ /* Generic C-library (rand()) version */
+ /* This is a random source of last resort */
+ uint8_t *dst = (uint8_t *)dest;
+ while (len)
+ {
+ int val = rand();
+ /* rand() returns 0-32767 (ugh) */
+ /* Is this a good enough way to get random bytes?
+ It is if it passes FIPS-140... */
+ *dst++ = val & 0xff;
+ len--;
+ }
+#endif
+ return err_status_ok;
+}
+
+err_status_t
+rand_source_deinit(void) {
+ if (dev_random_fdes < 0)
+ return err_status_dealloc_fail; /* well, we haven't really failed, *
+ * but there is something wrong */
+#ifdef DEV_URANDOM
+ close(dev_random_fdes);
+#endif
+ dev_random_fdes = RAND_SOURCE_NOT_READY;
+
+ return err_status_ok;
+}
diff --git a/crypto/test/aes_calc.c b/crypto/test/aes_calc.c
new file mode 100644
index 0000000..2fac07a
--- /dev/null
+++ b/crypto/test/aes_calc.c
@@ -0,0 +1,111 @@
+/*
+ * aes_calc.c
+ *
+ * A simple AES calculator for generating AES encryption values
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+
+ Example usage (with first NIST FIPS 197 test case):
+
+[sh]$ test/aes_calc 000102030405060708090a0b0c0d0e0f 00112233445566778899aabbccddeeff -v
+ plaintext: 00112233445566778899aabbccddeeff
+ key: 000102030405060708090a0b0c0d0e0f
+ ciphertext: 69c4e0d86a7b0430d8cdb78070b4c55a
+
+ */
+
+#include "aes.h"
+#include <stdio.h>
+#include <string.h>
+
+void
+usage(char *prog_name) {
+ printf("usage: %s <key> <plaintext> [-v]\n", prog_name);
+ exit(255);
+}
+
+#define AES_KEY_LEN 16
+
+int
+main (int argc, char *argv[]) {
+ v128_t data, key;
+ aes_expanded_key_t exp_key;
+ int len;
+ int verbose;
+
+ if (argc == 3) {
+ /* we're not in verbose mode */
+ verbose = 0;
+ } else if (argc == 4) {
+ if (strncmp(argv[3], "-v", 2) == 0) {
+ /* we're in verbose mode */
+ verbose = 1;
+ } else {
+ /* unrecognized flag, complain and exit */
+ usage(argv[0]);
+ }
+ } else {
+ /* we've been fed the wrong number of arguments - compain and exit */
+ usage(argv[0]);
+ }
+
+ /* read in key, checking length */
+ if (strlen(argv[1]) > AES_KEY_LEN*2) {
+ fprintf(stderr,
+ "error: too many digits in key "
+ "(should be %d hexadecimal digits, found %u)\n",
+ AES_KEY_LEN*2, (unsigned)strlen(argv[1]));
+ exit(1);
+ }
+ len = hex_string_to_octet_string((char *)&key, argv[1], AES_KEY_LEN*2);
+ /* check that hex string is the right length */
+ if (len < AES_KEY_LEN*2) {
+ fprintf(stderr,
+ "error: too few digits in key "
+ "(should be %d hexadecimal digits, found %d)\n",
+ AES_KEY_LEN*2, len);
+ exit(1);
+ }
+
+ /* read in plaintext, checking length */
+ if (strlen(argv[2]) > 16*2) {
+ fprintf(stderr,
+ "error: too many digits in plaintext "
+ "(should be %d hexadecimal digits, found %u)\n",
+ 16*2, (unsigned)strlen(argv[2]));
+ exit(1);
+ }
+ len = hex_string_to_octet_string((char *)(&data), argv[2], 16*2);
+ /* check that hex string is the right length */
+ if (len < 16*2) {
+ fprintf(stderr,
+ "error: too few digits in plaintext "
+ "(should be %d hexadecimal digits, found %d)\n",
+ 16*2, len);
+ exit(1);
+ }
+
+ if (verbose) {
+ /* print out plaintext */
+ printf("plaintext:\t%s\n", octet_string_hex_string((uint8_t *)&data, 16));
+ }
+
+ /* encrypt plaintext */
+ aes_expand_encryption_key(&key, exp_key);
+
+ aes_encrypt(&data, exp_key);
+
+ /* write ciphertext to output */
+ if (verbose) {
+ printf("key:\t\t%s\n", v128_hex_string(&key));
+ printf("ciphertext:\t");
+ }
+ printf("%s\n", v128_hex_string(&data));
+
+ return 0;
+}
+
diff --git a/crypto/test/auth_driver.c b/crypto/test/auth_driver.c
new file mode 100644
index 0000000..cd8a75d
--- /dev/null
+++ b/crypto/test/auth_driver.c
@@ -0,0 +1,200 @@
+/*
+ * auth_driver.c
+ *
+ * a driver for auth functions
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include <stdio.h> /* for printf() */
+#include <stdlib.h> /* for xalloc() */
+#include <unistd.h> /* for getopt() */
+
+#include "auth.h"
+#include "null_auth.h"
+
+#define PRINT_DEBUG_DATA 0
+
+extern auth_type_t tmmhv2;
+
+const uint16_t msg0[9] = {
+ 0x6015, 0xf141, 0x5ba1, 0x29a0, 0xf604, 0xd1c, 0x2d9, 0xaa8a, 0x7931
+};
+
+/* key1 is for TAG_WORDS = 2 */
+
+const uint16_t key1[47] = {
+ 0xe627, 0x6a01, 0x5ea7, 0xf27a, 0xc536, 0x2192, 0x11be, 0xea35,
+ 0xdb9d, 0x63d6, 0xfa8a, 0xfc45, 0xe08b, 0xd216, 0xced2, 0x7853,
+ 0x1a82, 0x22f5, 0x90fb, 0x1c29, 0x708e, 0xd06f, 0x82c3, 0xbee6,
+ 0x4f21, 0x6f33, 0x65c0, 0xd211, 0xc25e, 0x9138, 0x4fa3, 0x7c1f,
+ 0x61ac, 0x3489, 0x2976, 0x8c19, 0x8252, 0xddbf, 0xcad3, 0xc28f,
+ 0x68d6, 0x58dd, 0x504f, 0x2bbf, 0x0278, 0x70b7, 0xcfca
+};
+
+double
+auth_bits_per_second(auth_t *h, int msg_len);
+
+
+void
+usage(char *prog_name) {
+ printf("usage: %s [ -t | -v ]\n", prog_name);
+ exit(255);
+}
+
+#define MAX_MSG_LEN 2048
+
+int
+main (int argc, char *argv[]) {
+ auth_t *a = NULL;
+ err_status_t status;
+ int i;
+ int c;
+ unsigned do_timing_test = 0;
+ unsigned do_validation = 0;
+
+ /* process input arguments */
+ while (1) {
+ c = getopt(argc, argv, "tv");
+ if (c == -1)
+ break;
+ switch (c) {
+ case 't':
+ do_timing_test = 1;
+ break;
+ case 'v':
+ do_validation = 1;
+ break;
+ default:
+ usage(argv[0]);
+ }
+ }
+
+ printf("auth driver\nDavid A. McGrew\nCisco Systems, Inc.\n");
+
+ if (!do_validation && !do_timing_test)
+ usage(argv[0]);
+
+ if (do_validation) {
+ printf("running self-test for %s...", tmmhv2.description);
+ status = tmmhv2_add_big_test();
+ if (status) {
+ printf("tmmhv2_add_big_test failed with error code %d\n", status);
+ exit(status);
+ }
+ status = auth_type_self_test(&tmmhv2);
+ if (status) {
+ printf("failed with error code %d\n", status);
+ exit(status);
+ }
+ printf("passed\n");
+ }
+
+ if (do_timing_test) {
+
+ /* tmmhv2 timing test */
+ status = auth_type_alloc(&tmmhv2, &a, 94, 4);
+ if (status) {
+ fprintf(stderr, "can't allocate tmmhv2\n");
+ exit(status);
+ }
+ status = auth_init(a, (uint8_t *)key1);
+ if (status) {
+ printf("error initializaing auth function\n");
+ exit(status);
+ }
+
+ printf("timing %s (tag length %d)\n",
+ tmmhv2.description, auth_get_tag_length(a));
+ for (i=8; i <= MAX_MSG_LEN; i *= 2)
+ printf("msg len: %d\tgigabits per second: %f\n",
+ i, auth_bits_per_second(a, i) / 1E9);
+
+ status = auth_dealloc(a);
+ if (status) {
+ printf("error deallocating auth function\n");
+ exit(status);
+ }
+
+ }
+
+ return 0;
+}
+
+#define NUM_TRIALS 100000
+
+#include <time.h>
+
+double
+auth_bits_per_second(auth_t *a, int msg_len_octets) {
+ int i;
+ clock_t timer;
+ uint8_t *result;
+ int msg_len = (msg_len_octets + 1)/2;
+ uint16_t *msg_string;
+
+ /* create random message */
+ msg_string = (uint16_t *) crypto_alloc(msg_len_octets);
+ if (msg_string == NULL)
+ return 0.0; /* indicate failure */
+ for (i=0; i < msg_len; i++)
+ msg_string[i] = (uint16_t) random();
+
+ /* allocate temporary storage for authentication tag */
+ result = crypto_alloc(auth_get_tag_length(a));
+ if (result == NULL) {
+ free(msg_string);
+ return 0.0; /* indicate failure */
+ }
+
+ timer = clock();
+ for (i=0; i < NUM_TRIALS; i++) {
+ auth_compute(a, (uint8_t *)msg_string, msg_len_octets, (uint8_t *)result);
+ }
+ timer = clock() - timer;
+
+ free(msg_string);
+ free(result);
+
+ return (double) NUM_TRIALS * 8 * msg_len_octets * CLOCKS_PER_SEC / timer;
+}
+
+
diff --git a/crypto/test/cipher_driver.c b/crypto/test/cipher_driver.c
new file mode 100644
index 0000000..25ca90a
--- /dev/null
+++ b/crypto/test/cipher_driver.c
@@ -0,0 +1,491 @@
+/*
+ * cipher_driver.c
+ *
+ * A driver for the generic cipher type
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h> /* for printf() */
+#include <stdlib.h> /* for rand() */
+#include <string.h> /* for memset() */
+#include <unistd.h> /* for getopt() */
+#include "cipher.h"
+#include "aes_icm.h"
+#include "null_cipher.h"
+
+#define PRINT_DEBUG 0
+
+void
+cipher_driver_test_throughput(cipher_t *c);
+
+err_status_t
+cipher_driver_self_test(cipher_type_t *ct);
+
+
+/*
+ * cipher_driver_test_buffering(ct) tests the cipher's output
+ * buffering for correctness by checking the consistency of succesive
+ * calls
+ */
+
+err_status_t
+cipher_driver_test_buffering(cipher_t *c);
+
+
+/*
+ * functions for testing cipher cache thrash
+ */
+err_status_t
+cipher_driver_test_array_throughput(cipher_type_t *ct,
+ int klen, int num_cipher);
+
+void
+cipher_array_test_throughput(cipher_t *ca[], int num_cipher);
+
+uint64_t
+cipher_array_bits_per_second(cipher_t *cipher_array[], int num_cipher,
+ unsigned octets_in_buffer, int num_trials);
+
+err_status_t
+cipher_array_delete(cipher_t *cipher_array[], int num_cipher);
+
+err_status_t
+cipher_array_alloc_init(cipher_t ***cipher_array, int num_ciphers,
+ cipher_type_t *ctype, int klen);
+
+void
+usage(char *prog_name) {
+ printf("usage: %s [ -t | -v | -a ]\n", prog_name);
+ exit(255);
+}
+
+void
+check_status(err_status_t s) {
+ if (s) {
+ printf("error (code %d)\n", s);
+ exit(s);
+ }
+ return;
+}
+
+/*
+ * null_cipher, aes_icm, and aes_cbc are the cipher meta-objects
+ * defined in the files in crypto/cipher subdirectory. these are
+ * declared external so that we can use these cipher types here
+ */
+
+extern cipher_type_t null_cipher;
+extern cipher_type_t aes_icm;
+extern cipher_type_t aes_cbc;
+
+int
+main(int argc, char *argv[]) {
+ cipher_t *c = NULL;
+ err_status_t status;
+ unsigned char test_key[20] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ 0x10, 0x11, 0x12, 0x13
+ };
+ int q;
+ unsigned do_timing_test = 0;
+ unsigned do_validation = 0;
+ unsigned do_array_timing_test = 0;
+
+ /* process input arguments */
+ while (1) {
+ q = getopt(argc, argv, "tva");
+ if (q == -1)
+ break;
+ switch (q) {
+ case 't':
+ do_timing_test = 1;
+ break;
+ case 'v':
+ do_validation = 1;
+ break;
+ case 'a':
+ do_array_timing_test = 1;
+ break;
+ default:
+ usage(argv[0]);
+ }
+ }
+
+ printf("cipher test driver\n"
+ "David A. McGrew\n"
+ "Cisco Systems, Inc.\n");
+
+ if (!do_validation && !do_timing_test && !do_array_timing_test)
+ usage(argv[0]);
+
+ /* arry timing (cache thrash) test */
+ if (do_array_timing_test) {
+ int max_num_cipher = 1 << 16; /* number of ciphers in cipher_array */
+ int num_cipher;
+
+ for (num_cipher=1; num_cipher < max_num_cipher; num_cipher *=8)
+ cipher_driver_test_array_throughput(&null_cipher, 0, num_cipher);
+
+ for (num_cipher=1; num_cipher < max_num_cipher; num_cipher *=8)
+ cipher_driver_test_array_throughput(&aes_icm, 30, num_cipher);
+
+ for (num_cipher=1; num_cipher < max_num_cipher; num_cipher *=8)
+ cipher_driver_test_array_throughput(&aes_cbc, 16, num_cipher);
+
+ }
+
+ if (do_validation) {
+ cipher_driver_self_test(&null_cipher);
+ cipher_driver_self_test(&aes_icm);
+ cipher_driver_self_test(&aes_cbc);
+ }
+
+ /* do timing and/or buffer_test on null_cipher */
+ status = cipher_type_alloc(&null_cipher, &c, 0);
+ check_status(status);
+
+ status = cipher_init(c, NULL, direction_encrypt);
+ check_status(status);
+
+ if (do_timing_test)
+ cipher_driver_test_throughput(c);
+ if (do_validation) {
+ status = cipher_driver_test_buffering(c);
+ check_status(status);
+ }
+ status = cipher_dealloc(c);
+ check_status(status);
+
+
+ /* run the throughput test on the aes_icm cipher */
+ status = cipher_type_alloc(&aes_icm, &c, 30);
+ if (status) {
+ fprintf(stderr, "error: can't allocate cipher\n");
+ exit(status);
+ }
+
+ status = cipher_init(c, test_key, direction_encrypt);
+ check_status(status);
+
+ if (do_timing_test)
+ cipher_driver_test_throughput(c);
+
+ if (do_validation) {
+ status = cipher_driver_test_buffering(c);
+ check_status(status);
+ }
+
+ status = cipher_dealloc(c);
+ check_status(status);
+
+ return 0;
+}
+
+void
+cipher_driver_test_throughput(cipher_t *c) {
+ int i;
+ int min_enc_len = 32;
+ int max_enc_len = 2048; /* should be a power of two */
+ int num_trials = 100000;
+
+ printf("timing %s throughput:\n", c->type->description);
+ fflush(stdout);
+ for (i=min_enc_len; i <= max_enc_len; i = i * 2)
+ printf("msg len: %d\tgigabits per second: %f\n",
+ i, cipher_bits_per_second(c, i, num_trials) / 1e9);
+
+}
+
+err_status_t
+cipher_driver_self_test(cipher_type_t *ct) {
+ err_status_t status;
+
+ printf("running cipher self-test for %s...", ct->description);
+ status = cipher_type_self_test(ct);
+ if (status) {
+ printf("failed with error code %d\n", status);
+ exit(status);
+ }
+ printf("passed\n");
+
+ return err_status_ok;
+}
+
+/*
+ * cipher_driver_test_buffering(ct) tests the cipher's output
+ * buffering for correctness by checking the consistency of succesive
+ * calls
+ */
+
+err_status_t
+cipher_driver_test_buffering(cipher_t *c) {
+ int i, j, num_trials = 1000;
+ unsigned len, buflen = 1024;
+ uint8_t buffer0[buflen], buffer1[buflen], *current, *end;
+ uint8_t idx[16] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x34
+ };
+ err_status_t status;
+
+ printf("testing output buffering for cipher %s...",
+ c->type->description);
+
+ for (i=0; i < num_trials; i++) {
+
+ /* set buffers to zero */
+ for (j=0; j < buflen; j++)
+ buffer0[j] = buffer1[j] = 0;
+
+ /* initialize cipher */
+ status = cipher_set_iv(c, idx);
+ if (status)
+ return status;
+
+ /* generate 'reference' value by encrypting all at once */
+ status = cipher_encrypt(c, buffer0, &buflen);
+ if (status)
+ return status;
+
+ /* re-initialize cipher */
+ status = cipher_set_iv(c, idx);
+ if (status)
+ return status;
+
+ /* now loop over short lengths until buffer1 is encrypted */
+ current = buffer1;
+ end = buffer1 + buflen;
+ while (current < end) {
+
+ /* choose a short length */
+ len = rand() & 0x01f;
+
+ /* make sure that len doesn't cause us to overreach the buffer */
+ if (current + len > end)
+ len = end - current;
+
+ status = cipher_encrypt(c, current, &len);
+ if (status)
+ return status;
+
+ /* advance pointer into buffer1 to reflect encryption */
+ current += len;
+
+ /* if buffer1 is all encrypted, break out of loop */
+ if (current == end)
+ break;
+ }
+
+ /* compare buffers */
+ for (j=0; j < buflen; j++)
+ if (buffer0[j] != buffer1[j]) {
+#if PRINT_DEBUG
+ printf("test case %d failed at byte %d\n", i, j);
+ printf("computed: %s\n", octet_string_hex_string(buffer1, buflen));
+ printf("expected: %s\n", octet_string_hex_string(buffer0, buflen));
+#endif
+ return err_status_algo_fail;
+ }
+ }
+
+ printf("passed\n");
+
+ return err_status_ok;
+}
+
+
+/*
+ * The function cipher_test_throughput_array() tests the effect of CPU
+ * cache thrash on cipher throughput.
+ *
+ * cipher_array_alloc_init(ctype, array, num_ciphers) creates an array
+ * of cipher_t of type ctype
+ */
+
+err_status_t
+cipher_array_alloc_init(cipher_t ***ca, int num_ciphers,
+ cipher_type_t *ctype, int klen) {
+ int i, j;
+ err_status_t status;
+ uint8_t *key;
+ cipher_t **cipher_array;
+
+ /* allocate array of pointers to ciphers */
+ cipher_array = (cipher_t **) malloc(sizeof(cipher_t *) * num_ciphers);
+ if (cipher_array == NULL)
+ return err_status_alloc_fail;
+
+ /* set ca to location of cipher_array */
+ *ca = cipher_array;
+
+ /* allocate key */
+ key = crypto_alloc(klen);
+ if (key == NULL) {
+ free(cipher_array);
+ return err_status_alloc_fail;
+ }
+
+ /* allocate and initialize an array of ciphers */
+ for (i=0; i < num_ciphers; i++) {
+
+ /* allocate cipher */
+ status = cipher_type_alloc(ctype, cipher_array, klen);
+ if (status)
+ return status;
+
+ /* generate random key and initialize cipher */
+ for (j=0; j < klen; j++)
+ key[j] = (uint8_t) rand();
+ status = cipher_init(*cipher_array, key, direction_encrypt);
+ if (status)
+ return status;
+
+/* printf("%dth cipher is at %p\n", i, *cipher_array); */
+/* printf("%dth cipher description: %s\n", i, */
+/* (*cipher_array)->type->description); */
+
+ /* advance cipher array pointer */
+ cipher_array++;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+cipher_array_delete(cipher_t *cipher_array[], int num_cipher) {
+ int i;
+
+ for (i=0; i < num_cipher; i++) {
+ cipher_dealloc(cipher_array[i]);
+ }
+
+ free(cipher_array);
+
+ return err_status_ok;
+}
+
+
+/*
+ * cipher_array_bits_per_second(c, l, t) computes (an estimate of) the
+ * number of bits that a cipher implementation can encrypt in a second
+ * when distinct keys are used to encrypt distinct messages
+ *
+ * c is a cipher (which MUST be allocated an initialized already), l
+ * is the length in octets of the test data to be encrypted, and t is
+ * the number of trials
+ *
+ * if an error is encountered, the value 0 is returned
+ */
+
+uint64_t
+cipher_array_bits_per_second(cipher_t *cipher_array[], int num_cipher,
+ unsigned octets_in_buffer, int num_trials) {
+ int i;
+ v128_t nonce;
+ clock_t timer;
+ unsigned char *enc_buf;
+ int cipher_index = 0;
+
+
+ enc_buf = crypto_alloc(octets_in_buffer);
+ if (enc_buf == NULL)
+ return 0; /* indicate bad parameters by returning null */
+
+ /* time repeated trials */
+ v128_set_to_zero(&nonce);
+ timer = clock();
+ for(i=0; i < num_trials; i++, nonce.v32[3] = i) {
+
+ /* choose a cipher at random from the array*/
+ cipher_index = (*((uint32_t *)enc_buf)) % num_cipher;
+
+ /* encrypt buffer with cipher */
+ cipher_set_iv(cipher_array[cipher_index], &nonce);
+ cipher_encrypt(cipher_array[cipher_index], enc_buf, &octets_in_buffer);
+ }
+ timer = clock() - timer;
+
+ free(enc_buf);
+
+ if (timer == 0) {
+ /* Too fast! */
+ return 0;
+ }
+
+ return CLOCKS_PER_SEC * num_trials * 8 * octets_in_buffer / timer;
+}
+
+void
+cipher_array_test_throughput(cipher_t *ca[], int num_cipher) {
+ int i;
+ int min_enc_len = 16;
+ int max_enc_len = 2048; /* should be a power of two */
+ int num_trials = 10000;
+
+ printf("timing %s throughput with array size %d:\n",
+ (ca[0])->type->description, num_cipher);
+ fflush(stdout);
+ for (i=min_enc_len; i <= max_enc_len; i = i * 4)
+ printf("msg len: %d\tgigabits per second: %f\n", i,
+ cipher_array_bits_per_second(ca, num_cipher, i, num_trials) / 1e9);
+
+}
+
+err_status_t
+cipher_driver_test_array_throughput(cipher_type_t *ct,
+ int klen, int num_cipher) {
+ cipher_t **ca = NULL;
+ err_status_t status;
+
+ status = cipher_array_alloc_init(&ca, num_cipher, ct, klen);
+ if (status) {
+ printf("error: cipher_array_alloc_init() failed with error code %d\n",
+ status);
+ return status;
+ }
+
+ cipher_array_test_throughput(ca, num_cipher);
+
+ cipher_array_delete(ca, num_cipher);
+
+ return err_status_ok;
+}
diff --git a/crypto/test/datatypes_driver.c b/crypto/test/datatypes_driver.c
new file mode 100644
index 0000000..f186652
--- /dev/null
+++ b/crypto/test/datatypes_driver.c
@@ -0,0 +1,237 @@
+/*
+ * datatypes_driver.c
+ *
+ * a test driver for crypto/math datatypes
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include <stdio.h> /* for printf() */
+#include <string.h> /* for strlen() */
+#include "datatypes.h"
+
+void
+byte_order(void);
+
+void
+test_hex_string_funcs(void);
+
+void
+print_string(char *s);
+
+void
+test_bswap(void);
+
+int
+main (void) {
+
+ /*
+ * this program includes various and sundry tests for fundamental
+ * datatypes. it's a grab-bag of throwaway code, retained only in
+ * case of future problems
+ */
+
+ int i, j;
+ v128_t x;
+ char *r =
+ "The Moving Finger writes; and, having writ,\n"
+ "Moves on: nor all thy Piety nor Wit\n"
+ "Shall lure it back to cancel half a Line,\n"
+ "Nor all thy Tears wash out a Word of it.";
+ char *s = "incomplet";
+
+ print_string(r);
+ print_string(s);
+
+ byte_order();
+ test_hex_string_funcs();
+
+ for (j=0; j < 128; j++) {
+ v128_set_to_zero(&x);
+ /* x.v32[0] = (1 << j); */
+ v128_set_bit(&x, j);
+ printf("%s\n", v128_bit_string(&x));
+ v128_clear_bit(&x, j);
+ printf("%s\n", v128_bit_string(&x));
+
+ }
+
+ printf("----------------------------------------------\n");
+ v128_set_to_zero(&x);
+ for (i=0; i < 128; i++) {
+ v128_set_bit(&x, i);
+ }
+ printf("%s\n", v128_bit_string(&x));
+
+ printf("----------------------------------------------\n");
+ v128_set_to_zero(&x);
+ v128_set_bit(&x, 0);
+ for (i=0; i < 128; i++) {
+ printf("%s\n", v128_bit_string(&x));
+ v128_right_shift(&x, 1);
+ }
+ printf("----------------------------------------------\n");
+ v128_set_to_zero(&x);
+ v128_set_bit(&x, 127);
+ for (i=0; i < 128; i++) {
+ printf("%s\n", v128_bit_string(&x));
+ v128_left_shift(&x, 1);
+ }
+ printf("----------------------------------------------\n");
+ for (i=0; i < 128; i++) {
+ v128_set_to_zero(&x);
+ v128_set_bit(&x, 127);
+ v128_left_shift(&x, i);
+ printf("%s\n", v128_bit_string(&x));
+ }
+ printf("----------------------------------------------\n");
+ v128_set_to_zero(&x);
+ for (i=0; i < 128; i+=2) {
+ v128_set_bit(&x, i);
+ }
+ printf("bit_string: { %s }\n", v128_bit_string(&x));
+ printf("get_bit: { ");
+ for (i=0; i < 128; i++) {
+ if (v128_get_bit(&x, i) == 1)
+ printf("1");
+ else
+ printf("0");
+ }
+ printf(" } \n");
+
+ test_bswap();
+
+ return 0;
+}
+
+
+/* byte_order() prints out byte ordering of datatypes */
+
+void
+byte_order(void) {
+ int i;
+ v128_t e;
+#if 0
+ v16_t b;
+ v32_t c;
+ v64_t d;
+
+ for (i=0; i < sizeof(b); i++)
+ b.octet[i] = i;
+ for (i=0; i < sizeof(c); i++)
+ c.octet[i] = i;
+ for (i=0; i < sizeof(d); i++)
+ d.octet[i] = i;
+
+ printf("v128_t:\t%s\n", v128_hex_string(&e));
+ printf("v64_t:\t%s\n", v64_hex_string(&d));
+ printf("v32_t:\t%s\n", v32_hex_string(c));
+ printf("v16_t:\t%s\n", v16_hex_string(b));
+
+ c.value = 0x01020304;
+ printf("v32_t:\t%s\n", v32_hex_string(c));
+ b.value = 0x0102;
+ printf("v16_t:\t%s\n", v16_hex_string(b));
+
+ printf("uint16_t ordering:\n");
+
+ c.value = 0x00010002;
+ printf("v32_t:\t%x%x\n", c.v16[0], c.v16[1]);
+#endif
+
+ printf("byte ordering of crypto/math datatypes:\n");
+ for (i=0; i < sizeof(e); i++)
+ e.v8[i] = i;
+ printf("v128_t: %s\n", v128_hex_string(&e));
+
+}
+
+void
+test_hex_string_funcs(void) {
+ char hex1[] = "abadcafe";
+ char hex2[] = "0123456789abcdefqqqqq";
+ char raw[10];
+ int len;
+
+ len = hex_string_to_octet_string(raw, hex1, strlen(hex1));
+ printf("computed length: %d\tstring: %s\n", len,
+ octet_string_hex_string(raw, len/2));
+ printf("expected length: %u\tstring: %s\n", (unsigned)strlen(hex1), hex1);
+
+ len = hex_string_to_octet_string(raw, hex2, strlen(hex2));
+ printf("computed length: %d\tstring: %s\n", len,
+ octet_string_hex_string(raw, len/2));
+ printf("expected length: %d\tstring: %s\n", 16, "0123456789abcdef");
+
+}
+
+void
+print_string(char *s) {
+ int i;
+ printf("%s\n", s);
+ printf("strlen(s) = %u\n", (unsigned)strlen(s));
+ printf("{ ");
+ for (i=0; i < strlen(s); i++) {
+ printf("0x%x, ", s[i]);
+ if (((i+1) % 8) == 0)
+ printf("\n ");
+ }
+ printf("}\n");
+}
+
+void
+test_bswap(void) {
+ uint32_t x = 0x11223344;
+ uint64_t y = 0x1122334455667788LL;
+
+ printf("before: %0x\nafter: %0x\n", x, be32_to_cpu(x));
+ printf("before: %0llx\nafter: %0llx\n", (unsigned long long)y,
+ (unsigned long long)be64_to_cpu(y));
+
+ y = 1234;
+
+ printf("1234: %0llx\n", (unsigned long long)y);
+ printf("as octet string: %s\n",
+ octet_string_hex_string((uint8_t *) &y, 8));
+ y = be64_to_cpu(y);
+ printf("bswapped octet string: %s\n",
+ octet_string_hex_string((uint8_t *) &y, 8));
+}
diff --git a/crypto/test/env.c b/crypto/test/env.c
new file mode 100644
index 0000000..37a6e27
--- /dev/null
+++ b/crypto/test/env.c
@@ -0,0 +1,99 @@
+/*
+ * env.c
+ *
+ * prints out a brief report on the build environment
+ *
+ * David McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h> /* for srtcmp() */
+#include "config.h"
+
+int
+main(void) {
+ int err_count = 0;
+ char *str;
+
+#ifdef WORDS_BIGENDIAN
+ printf("CPU set to big-endian\t\t\t(WORDS_BIGENDIAN == 1)\n");
+#else
+ printf("CPU set to little-endian\t\t(WORDS_BIGENDIAN == 0)\n");
+#endif
+
+#ifdef CPU_RISC
+ printf("CPU set to RISC\t\t\t\t(CPU_RISC == 1)\n");
+#elif defined(CPU_CISC)
+ printf("CPU set to CISC\t\t\t\t(CPU_CISC == 1)\n");
+#else
+ printf("CPU set to an unknown type, probably due to a configuration error\n");
+ err_count++;
+#endif
+
+#ifdef CPU_ALTIVEC
+ printf("CPU set to ALTIVEC\t\t\t\t(CPU_ALTIVEC == 0)\n");
+#endif
+
+#ifndef NO_64BIT_MATH
+ printf("using native 64-bit type\t\t(NO_64_BIT_MATH == 0)\n");
+#else
+ printf("using built-in 64-bit math\t\t(NO_64_BIT_MATH == 1)\n");
+#endif
+
+#ifdef ERR_REPORTING_STDOUT
+ printf("using stdout for error reporting\t(ERR_REPORTING_STDOUT == 1)\n");
+#endif
+
+#ifdef DEV_URANDOM
+ str = DEV_URANDOM;
+#else
+ str = "";
+#endif
+ printf("using %s as a random source\t(DEV_URANDOM == %s)\n",
+ str, str);
+ if (strcmp("", str) == 0) {
+ err_count++;
+ }
+
+ if (err_count)
+ printf("warning: configuration is probably in error "
+ "(found %d problems)\n", err_count);
+
+ return err_count;
+}
diff --git a/crypto/test/kernel_driver.c b/crypto/test/kernel_driver.c
new file mode 100644
index 0000000..8ef8a5f
--- /dev/null
+++ b/crypto/test/kernel_driver.c
@@ -0,0 +1,126 @@
+/*
+ * kernel_driver.c
+ *
+ * a test driver for the crypto_kernel
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include <stdio.h> /* for printf() */
+#include <unistd.h> /* for getopt() */
+#include "crypto_kernel.h"
+
+void
+usage(char *prog_name) {
+ printf("usage: %s [ -v ][ -d debug_module ]*\n", prog_name);
+ exit(255);
+}
+
+int
+main (int argc, char *argv[]) {
+ extern char *optarg;
+ int q;
+ int do_validation = 0;
+ err_status_t status;
+
+ if (argc == 1)
+ usage(argv[0]);
+
+ /* initialize kernel - we need to do this before anything else */
+ status = crypto_kernel_init();
+ if (status) {
+ printf("error: crypto_kernel init failed\n");
+ exit(1);
+ }
+ printf("crypto_kernel successfully initalized\n");
+
+ /* process input arguments */
+ while (1) {
+ q = getopt(argc, argv, "vd:");
+ if (q == -1)
+ break;
+ switch (q) {
+ case 'v':
+ do_validation = 1;
+ break;
+ case 'd':
+ status = crypto_kernel_set_debug_module(optarg, 1);
+ if (status) {
+ printf("error: set debug module (%s) failed\n", optarg);
+ exit(1);
+ }
+ break;
+ default:
+ usage(argv[0]);
+ }
+ }
+
+ if (do_validation) {
+ printf("checking crypto_kernel status...\n");
+ status = crypto_kernel_status();
+ if (status) {
+ printf("failed\n");
+ exit(1);
+ }
+ printf("crypto_kernel passed self-tests\n");
+ }
+
+ status = crypto_kernel_shutdown();
+ if (status) {
+ printf("error: crypto_kernel shutdown failed\n");
+ exit(1);
+ }
+ printf("crypto_kernel successfully shut down\n");
+
+ return 0;
+}
+
+/*
+ * crypto_kernel_cipher_test() is a test of the cipher interface
+ * of the crypto_kernel
+ */
+
+err_status_t
+crypto_kernel_cipher_test(void) {
+
+ /* not implemented yet! */
+
+ return err_status_ok;
+}
diff --git a/crypto/test/rand_gen.c b/crypto/test/rand_gen.c
new file mode 100644
index 0000000..ccea097
--- /dev/null
+++ b/crypto/test/rand_gen.c
@@ -0,0 +1,140 @@
+/*
+ * rand_gen.c
+ *
+ * a random source (random number generator)
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include <stdio.h> /* for printf() */
+#include <unistd.h> /* for getopt() */
+#include "crypto_kernel.h"
+
+/*
+ * MAX_PRINT_STRING_LEN is defined in datatypes.h, and is the length
+ * of the largest hexadecimal string that can be generated by the
+ * function octet_string_hex_string().
+ */
+
+#define BUF_LEN (MAX_PRINT_STRING_LEN/2)
+
+void
+usage(char *prog_name) {
+ printf("usage: %s -n <num_bytes> [-l][ -d debug_module ]*\n"
+ " -n <num> output <num> random bytes, where <num>"
+ " is between zero and %d\n"
+ " -l list the avaliable debug modules\n"
+ " -d <mod> turn on debugging module <mod>\n",
+ prog_name, BUF_LEN);
+ exit(255);
+}
+
+int
+main (int argc, char *argv[]) {
+ extern char *optarg;
+ int q;
+ int num_octets = 0;
+ unsigned do_list_mods = 0;
+ err_status_t status;
+
+ if (argc == 1)
+ usage(argv[0]);
+
+ /* initialize kernel - we need to do this before anything else */
+ status = crypto_kernel_init();
+ if (status) {
+ printf("error: crypto_kernel init failed\n");
+ exit(1);
+ }
+
+ /* process input arguments */
+ while (1) {
+ q = getopt(argc, argv, "ld:n:");
+ if (q == -1)
+ break;
+ switch (q) {
+ case 'd':
+ status = crypto_kernel_set_debug_module(optarg, 1);
+ if (status) {
+ printf("error: set debug module (%s) failed\n", optarg);
+ exit(1);
+ }
+ break;
+ case 'l':
+ do_list_mods = 1;
+ break;
+ case 'n':
+ num_octets = atoi(optarg);
+ if (num_octets < 0 || num_octets > BUF_LEN)
+ usage(argv[0]);
+ break;
+ default:
+ usage(argv[0]);
+ }
+ }
+
+ if (do_list_mods) {
+ status = crypto_kernel_list_debug_modules();
+ if (status) {
+ printf("error: list of debug modules failed\n");
+ exit(1);
+ }
+ }
+
+ if (num_octets > 0) {
+ uint8_t buffer[BUF_LEN];
+
+ status = crypto_get_random(buffer, num_octets);
+ if (status) {
+ printf("error: failure in random source\n");
+ } else {
+ printf("%s\n", octet_string_hex_string(buffer, num_octets));
+ }
+ }
+
+ status = crypto_kernel_shutdown();
+ if (status) {
+ printf("error: crypto_kernel shutdown failed\n");
+ exit(1);
+ }
+
+ return 0;
+}
+
diff --git a/crypto/test/sha1_driver.c b/crypto/test/sha1_driver.c
new file mode 100644
index 0000000..f7cb6ca
--- /dev/null
+++ b/crypto/test/sha1_driver.c
@@ -0,0 +1,533 @@
+/*
+ * sha1_driver.c
+ *
+ * a test driver for SHA-1
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h>
+#include "sha1.h"
+
+#define SHA_PASS 0
+#define SHA_FAIL 1
+
+#define MAX_HASH_DATA_LEN 1024
+#define MAX_HASH_OUT_LEN 20
+
+typedef struct hash_test_case_t {
+ unsigned data_len; /* number of octets in data */
+ unsigned hash_len; /* number of octets output by hash */
+ uint8_t data[MAX_HASH_DATA_LEN]; /* message data */
+ uint8_t hash[MAX_HASH_OUT_LEN]; /* expected hash output */
+ struct hash_test_case_t *next_test_case;
+} hash_test_case_t;
+
+hash_test_case_t *sha1_test_case_list;
+
+err_status_t
+hash_test_case_add(hash_test_case_t **list_ptr,
+ char *hex_data,
+ unsigned data_len,
+ char *hex_hash,
+ unsigned hash_len) {
+ hash_test_case_t *list_head = *list_ptr;
+ hash_test_case_t *test_case;
+ unsigned tmp_len;
+
+ test_case = malloc(sizeof(hash_test_case_t));
+ if (test_case == NULL)
+ return err_status_alloc_fail;
+
+ tmp_len = hex_string_to_octet_string((char *)test_case->data, hex_data, data_len*2);
+ if (tmp_len != data_len*2)
+ return err_status_parse_err;
+
+ tmp_len = hex_string_to_octet_string((char *)test_case->hash, hex_hash, hash_len*2);
+ if (tmp_len != hash_len*2)
+ return err_status_parse_err;
+
+ test_case->data_len = data_len;
+ test_case->hash_len = hash_len;
+
+ /* add the new test case to the head of the list */
+ test_case->next_test_case = list_head;
+ *list_ptr = test_case;
+
+ return err_status_ok;
+}
+
+err_status_t
+sha1_test_case_validate(const hash_test_case_t *test_case) {
+ sha1_ctx_t ctx;
+ uint32_t hash_value[5];
+
+ if (test_case == NULL)
+ return err_status_bad_param;
+
+ if (test_case->hash_len != 20)
+ return err_status_bad_param;
+ if (test_case->data_len > MAX_HASH_DATA_LEN)
+ return err_status_bad_param;
+
+ sha1_init(&ctx);
+ sha1_update(&ctx, test_case->data, test_case->data_len);
+ sha1_final(&ctx, hash_value);
+ if (0 == memcmp(test_case->hash, hash_value, 20)) {
+#if VERBOSE
+ printf("PASSED: reference value: %s\n",
+ octet_string_hex_string((uint8_t *)test_case->hash, 20));
+ printf("PASSED: computed value: %s\n",
+ octet_string_hex_string((uint8_t *)hash_value, 20));
+#endif
+ return err_status_ok;
+ }
+
+ printf("reference value: %s\n",
+ octet_string_hex_string((uint8_t *)test_case->hash, 20));
+ printf("computed value: %s\n",
+ octet_string_hex_string((uint8_t *)hash_value, 20));
+
+ return err_status_algo_fail;
+
+}
+
+struct hex_sha1_test_case_t {
+ unsigned bit_len;
+ char hex_data[MAX_HASH_DATA_LEN*2];
+ char hex_hash[40];
+};
+
+err_status_t
+sha1_add_test_cases() {
+ int i;
+ err_status_t err;
+
+ /*
+ * these test cases are taken from the "SHA-1 Sample Vectors"
+ * provided by NIST at http://csrc.nist.gov/cryptval/shs.html
+ */
+
+ struct hex_sha1_test_case_t tc[] = {
+ {
+ 0,
+ "",
+ "da39a3ee5e6b4b0d3255bfef95601890afd80709"
+ },
+ {
+ 8,
+ "a8",
+ "99f2aa95e36f95c2acb0eaf23998f030638f3f15"
+ },
+ {
+ 16,
+ "3000",
+ "f944dcd635f9801f7ac90a407fbc479964dec024"
+ },
+ {
+ 24,
+ "42749e",
+ "a444319e9b6cc1e8464c511ec0969c37d6bb2619"
+ },
+ {
+ 32,
+ "9fc3fe08",
+ "16a0ff84fcc156fd5d3ca3a744f20a232d172253"
+ },
+ {
+ 40,
+ "b5c1c6f1af",
+ "fec9deebfcdedaf66dda525e1be43597a73a1f93"
+ },
+ {
+ 48,
+ "e47571e5022e",
+ "8ce051181f0ed5e9d0c498f6bc4caf448d20deb5"
+ },
+ {
+ 56,
+ "3e1b28839fb758",
+ "67da53837d89e03bf652ef09c369a3415937cfd3"
+ },
+ {
+ 64,
+ "a81350cbb224cb90",
+ "305e4ff9888ad855a78573cddf4c5640cce7e946"
+ },
+ {
+ 72, "c243d167923dec3ce1",
+ "5902b77b3265f023f9bbc396ba1a93fa3509bde7"
+ },
+ {
+ 80,
+ "50ac18c59d6a37a29bf4",
+ "fcade5f5d156bf6f9af97bdfa9c19bccfb4ff6ab"
+ },
+ {
+ 88,
+ "98e2b611ad3b1cccf634f6",
+ "1d20fbe00533c10e3cbd6b27088a5de0c632c4b5"
+ },
+ {
+ 96,
+ "73fe9afb68e1e8712e5d4eec",
+ "7e1b7e0f7a8f3455a9c03e9580fd63ae205a2d93"
+ },
+ {
+ 104,
+ "9e701ed7d412a9226a2a130e66",
+ "706f0677146307b20bb0e8d6311e329966884d13"
+ },
+ {
+ 112,
+ "6d3ee90413b0a7cbf69e5e6144ca",
+ "a7241a703aaf0d53fe142f86bf2e849251fa8dff"
+ },
+ {
+ 120,
+ "fae24d56514efcb530fd4802f5e71f",
+ "400f53546916d33ad01a5e6df66822dfbdc4e9e6"
+ },
+ {
+ 128,
+ "c5a22dd6eda3fe2bdc4ddb3ce6b35fd1",
+ "fac8ab93c1ae6c16f0311872b984f729dc928ccd"
+ },
+ {
+ 136,
+ "d98cded2adabf08fda356445c781802d95",
+ "fba6d750c18da58f6e2aab10112b9a5ef3301b3b"
+ },
+ {
+ 144,
+ "bcc6d7087a84f00103ccb32e5f5487a751a2",
+ "29d27c2d44c205c8107f0351b05753ac708226b6"
+ },
+ {
+ 152,
+ "36ecacb1055434190dbbc556c48bafcb0feb0d",
+ "b971bfc1ebd6f359e8d74cb7ecfe7f898d0ba845"
+ },
+ {
+ 160,
+ "5ff9edb69e8f6bbd498eb4537580b7fba7ad31d0",
+ "96d08c430094b9fcc164ad2fb6f72d0a24268f68"
+ },
+ {
+ 168, "c95b441d8270822a46a798fae5defcf7b26abace36",
+ "a287ea752a593d5209e287881a09c49fa3f0beb1"
+ },
+ {
+ 176,
+ "83104c1d8a55b28f906f1b72cb53f68cbb097b44f860",
+ "a06c713779cbd88519ed4a585ac0cb8a5e9d612b"
+ },
+ {
+ 184,
+ "755175528d55c39c56493d697b790f099a5ce741f7754b",
+ "bff7d52c13a3688132a1d407b1ab40f5b5ace298"
+ },
+ {
+ 192,
+ "088fc38128bbdb9fd7d65228b3184b3faac6c8715f07272f",
+ "c7566b91d7b6f56bdfcaa9781a7b6841aacb17e9"
+ },
+ {
+ 200,
+ "a4a586eb9245a6c87e3adf1009ac8a49f46c07e14185016895",
+ "ffa30c0b5c550ea4b1e34f8a60ec9295a1e06ac1"
+ },
+ {
+ 208,
+ "8e7c555270c006092c2a3189e2a526b873e2e269f0fb28245256",
+ "29e66ed23e914351e872aa761df6e4f1a07f4b81"
+ },
+ {
+ 216,
+ "a5f3bfa6bb0ba3b59f6b9cbdef8a558ec565e8aa3121f405e7f2f0",
+ "b28cf5e5b806a01491d41f69bd9248765c5dc292"
+ },
+ {
+ 224,
+ "589054f0d2bd3c2c85b466bfd8ce18e6ec3e0b87d944cd093ba36469",
+ "60224fb72c46069652cd78bcd08029ef64da62f3"
+ },
+ {
+ 232,
+ "a0abb12083b5bbc78128601bf1cbdbc0fdf4b862b24d899953d8da0ff3",
+ "b72c4a86f72608f24c05f3b9088ef92fba431df7"
+ },
+ {
+ 240,
+ "82143f4cea6fadbf998e128a8811dc75301cf1db4f079501ea568da68eeb",
+ "73779ad5d6b71b9b8328ef7220ff12eb167076ac"
+ },
+ {
+ 248,
+ "9f1231dd6df1ff7bc0b0d4f989d048672683ce35d956d2f57913046267e6f3",
+ "a09671d4452d7cf50015c914a1e31973d20cc1a0"
+ },
+ {
+ 256,
+ "041c512b5eed791f80d3282f3a28df263bb1df95e1239a7650e5670fc2187919",
+ "e88cdcd233d99184a6fd260b8fca1b7f7687aee0"
+ },
+ {
+ 264,
+ "17e81f6ae8c2e5579d69dafa6e070e7111461552d314b691e7a3e7a4feb3fae418",
+ "010def22850deb1168d525e8c84c28116cb8a269"
+ },
+ {
+ 272,
+ "d15976b23a1d712ad28fad04d805f572026b54dd64961fda94d5355a0cc98620cf77",
+ "aeaa40ba1717ed5439b1e6ea901b294ba500f9ad"
+ },
+ {
+ 280,
+ "09fce4d434f6bd32a44e04b848ff50ec9f642a8a85b37a264dc73f130f22838443328f",
+ "c6433791238795e34f080a5f1f1723f065463ca0"
+ },
+ {
+ 288, "f17af27d776ec82a257d8d46d2b46b639462c56984cc1be9c1222eadb8b26594a25c709d",
+ "e21e22b89c1bb944a32932e6b2a2f20d491982c3"
+ },
+ {
+ 296,
+ "b13ce635d6f8758143ffb114f2f601cb20b6276951416a2f94fbf4ad081779d79f4f195b22",
+ "575323a9661f5d28387964d2ba6ab92c17d05a8a"
+ },
+ {
+ 304,
+ "5498793f60916ff1c918dde572cdea76da8629ba4ead6d065de3dfb48de94d234cc1c5002910",
+ "feb44494af72f245bfe68e86c4d7986d57c11db7"
+ },
+ {
+ 312,
+ "498a1e0b39fa49582ae688cd715c86fbaf8a81b8b11b4d1594c49c902d197c8ba8a621fd6e3be5",
+ "cff2290b3648ba2831b98dde436a72f9ebf51eee"
+ },
+ {
+ 320,
+ "3a36ae71521f9af628b3e34dcb0d4513f84c78ee49f10416a98857150b8b15cb5c83afb4b570376e",
+ "9b4efe9d27b965905b0c3dab67b8d7c9ebacd56c"
+ },
+ {
+ 328,
+ "dcc76b40ae0ea3ba253e92ac50fcde791662c5b6c948538cffc2d95e9de99cac34dfca38910db2678f",
+ "afedb0ff156205bcd831cbdbda43db8b0588c113"
+ },
+ {
+ 336,
+ "5b5ec6ec4fd3ad9c4906f65c747fd4233c11a1736b6b228b92e90cddabb0c7c2fcf9716d3fad261dff33",
+ "8deb1e858f88293a5e5e4d521a34b2a4efa70fc4"
+ },
+ {
+ 344,
+ "df48a37b29b1d6de4e94717d60cdb4293fcf170bba388bddf7a9035a15d433f20fd697c3e4c8b8c5f590ab",
+ "95cbdac0f74afa69cebd0e5c7defbc6faf0cbeaf"
+ },
+ {
+ 352,
+ "1f179b3b82250a65e1b0aee949e218e2f45c7a8dbfd6ba08de05c55acfc226b48c68d7f7057e5675cd96fcfc",
+ "f0307bcb92842e5ae0cd4f4f14f3df7f877fbef2"
+ },
+ {
+ 360,
+ "ee3d72da3a44d971578972a8e6780ce64941267e0f7d0179b214fa97855e1790e888e09fbe3a70412176cb3b54",
+ "7b13bb0dbf14964bd63b133ac85e22100542ef55"
+ },
+ {
+ 368,
+ "d4d4c7843d312b30f610b3682254c8be96d5f6684503f8fbfbcd15774fc1b084d3741afb8d24aaa8ab9c104f7258",
+ "c314d2b6cf439be678d2a74e890d96cfac1c02ed"
+ },
+ {
+ 376,
+ "32c094944f5936a190a0877fb9178a7bf60ceae36fd530671c5b38c5dbd5e6a6c0d615c2ac8ad04b213cc589541cf6",
+ "4d0be361e410b47a9d67d8ce0bb6a8e01c53c078"
+ },
+ {
+ 384,
+ "e5d3180c14bf27a5409fa12b104a8fd7e9639609bfde6ee82bbf9648be2546d29688a65e2e3f3da47a45ac14343c9c02",
+ "e5353431ffae097f675cbf498869f6fbb6e1c9f2"
+ },
+ {
+ 392,
+ "e7b6e4b69f724327e41e1188a37f4fe38b1dba19cbf5a7311d6e32f1038e97ab506ee05aebebc1eed09fc0e357109818b9",
+ "b8720a7068a085c018ab18961de2765aa6cd9ac4"
+ },
+ {
+ 400,
+ "bc880cb83b8ac68ef2fedc2da95e7677ce2aa18b0e2d8b322701f67af7d5e7a0d96e9e33326ccb7747cfff0852b961bfd475",
+ "b0732181568543ba85f2b6da602b4b065d9931aa"
+ },
+ {
+ 408,
+ "235ea9c2ba7af25400f2e98a47a291b0bccdaad63faa2475721fda5510cc7dad814bce8dabb611790a6abe56030b798b75c944",
+ "9c22674cf3222c3ba921672694aafee4ce67b96b"
+ },
+ {
+ 416,
+ "07e3e29fed63104b8410f323b975fd9fba53f636af8c4e68a53fb202ca35dd9ee07cb169ec5186292e44c27e5696a967f5e67709",
+ "d128335f4cecca9066cdae08958ce656ff0b4cfc"
+ },
+ {
+ 424,
+ "65d2a1dd60a517eb27bfbf530cf6a5458f9d5f4730058bd9814379547f34241822bf67e6335a6d8b5ed06abf8841884c636a25733f",
+ "0b67c57ac578de88a2ae055caeaec8bb9b0085a0"
+ },
+ {
+ 432,
+ "dcc86b3bd461615bab739d8daafac231c0f462e819ad29f9f14058f3ab5b75941d4241ea2f17ebb8a458831b37a9b16dead4a76a9b0e",
+ "c766f912a89d4ccda88e0cce6a713ef5f178b596"
+ },
+ {
+ 440,
+ "4627d54f0568dc126b62a8c35fb46a9ac5024400f2995e51635636e1afc4373dbb848eb32df23914230560b82477e9c3572647a7f2bb92",
+ "9aa3925a9dcb177b15ccff9b78e70cf344858779"
+ },
+ {
+ 448,
+ "ba531affd4381168ef24d8b275a84d9254c7f5cc55fded53aa8024b2c5c5c8aa7146fe1d1b83d62b70467e9a2e2cb67b3361830adbab28d7",
+ "4811fa30042fc076acf37c8e2274d025307e5943"
+ },
+ {
+ 456,
+ "8764dcbcf89dcf4282eb644e3d568bdccb4b13508bfa7bfe0ffc05efd1390be22109969262992d377691eb4f77f3d59ea8466a74abf57b2ef4",
+ "6743018450c9730761ee2b130df9b91c1e118150"
+ },
+ {
+ 464,
+ "497d9df9ddb554f3d17870b1a31986c1be277bc44feff713544217a9f579623d18b5ffae306c25a45521d2759a72c0459b58957255ab592f3be4",
+ "71ad4a19d37d92a5e6ef3694ddbeb5aa61ada645"
+ },
+ {
+ 472,
+ "72c3c2e065aefa8d9f7a65229e818176eef05da83f835107ba90ec2e95472e73e538f783b416c04654ba8909f26a12db6e5c4e376b7615e4a25819",
+ "a7d9dc68dacefb7d6116186048cb355cc548e11d"
+ },
+ {
+ 480,
+ "7cc9894454d0055ab5069a33984e2f712bef7e3124960d33559f5f3b81906bb66fe64da13c153ca7f5cabc89667314c32c01036d12ecaf5f9a78de98",
+ "142e429f0522ba5abf5131fa81df82d355b96909"
+ },
+ {
+ 488,
+ "74e8404d5a453c5f4d306f2cfa338ca65501c840ddab3fb82117933483afd6913c56aaf8a0a0a6b2a342fc3d9dc7599f4a850dfa15d06c61966d74ea59",
+ "ef72db70dcbcab991e9637976c6faf00d22caae9"
+ },
+ {
+ 496,
+ "46fe5ed326c8fe376fcc92dc9e2714e2240d3253b105adfbb256ff7a19bc40975c604ad7c0071c4fd78a7cb64786e1bece548fa4833c04065fe593f6fb10",
+ "f220a7457f4588d639dc21407c942e9843f8e26b"
+ },
+ {
+ 504,
+ "836dfa2524d621cf07c3d2908835de859e549d35030433c796b81272fd8bc0348e8ddbc7705a5ad1fdf2155b6bc48884ac0cd376925f069a37849c089c8645",
+ "ddd2117b6e309c233ede85f962a0c2fc215e5c69"
+ },
+ {
+ 512,
+ "7e3a4c325cb9c52b88387f93d01ae86d42098f5efa7f9457388b5e74b6d28b2438d42d8b64703324d4aa25ab6aad153ae30cd2b2af4d5e5c00a8a2d0220c6116",
+ "a3054427cdb13f164a610b348702724c808a0dcc"
+ }
+ };
+
+
+ for (i=0; i < 65; i++) {
+ err = hash_test_case_add(&sha1_test_case_list,
+ tc[i].hex_data,
+ tc[i].bit_len/8,
+ tc[i].hex_hash, 20);
+ if (err) {
+ printf("error adding hash test case (code %d)\n", err);
+ return err;
+ }
+ }
+
+ return err_status_ok;
+}
+
+
+err_status_t
+sha1_validate(void) {
+ hash_test_case_t *test_case;
+ err_status_t err;
+
+ err = sha1_add_test_cases();
+ if (err) {
+ printf("error adding SHA1 test cases (error code %d)\n", err);
+ return err;
+ }
+
+ if (sha1_test_case_list == NULL)
+ return err_status_cant_check;
+
+ test_case = sha1_test_case_list;
+ while (test_case != NULL) {
+ err = sha1_test_case_validate(test_case);
+ if (err) {
+ printf("error validating hash test case (error code %d)\n", err);
+ return err;
+ }
+ test_case = test_case->next_test_case;
+ }
+
+ return err_status_ok;
+}
+
+
+
+int
+main (void) {
+ err_status_t err;
+
+ printf("sha1 test driver\n");
+
+ err = sha1_validate();
+ if (err) {
+ printf("SHA1 did not pass validation testing\n");
+ return 1;
+ }
+ printf("SHA1 passed validation tests\n");
+
+ return 0;
+
+}
diff --git a/crypto/test/stat_driver.c b/crypto/test/stat_driver.c
new file mode 100644
index 0000000..09cc44a
--- /dev/null
+++ b/crypto/test/stat_driver.c
@@ -0,0 +1,101 @@
+/*
+ * stat-driver.c
+ *
+ * test driver for the stat_test functions
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+
+#include <stdio.h> /* for printf() */
+
+#include "err.h"
+#include "stat.h"
+
+#include "cipher.h"
+
+typedef struct {
+ void *state;
+} random_source_t;
+
+err_status_t
+random_source_alloc(void);
+
+void
+err_check(err_status_t s) {
+ if (s) {
+ printf("error (code %d)\n", s);
+ exit(1);
+ }
+}
+
+int
+main (int argc, char *argv[]) {
+ uint8_t buffer[2500];
+ unsigned int buf_len = 2500;
+ int i, j;
+ extern cipher_type_t aes_icm;
+ cipher_t *c;
+ uint8_t key[30] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05
+ };
+ v128_t nonce;
+ int num_trials = 500;
+ int num_fail;
+
+ printf("statistical tests driver\n");
+
+ for (i=0; i < 2500; i++)
+ buffer[i] = 0;
+
+ /* run tests */
+ printf("running stat_tests on all-null buffer, expecting failure\n");
+ printf("monobit %d\n", stat_test_monobit(buffer));
+ printf("poker %d\n", stat_test_poker(buffer));
+ printf("runs %d\n", stat_test_runs(buffer));
+
+ for (i=0; i < 2500; i++)
+ buffer[i] = rand();
+ printf("running stat_tests on rand(), expecting success\n");
+ printf("monobit %d\n", stat_test_monobit(buffer));
+ printf("poker %d\n", stat_test_poker(buffer));
+ printf("runs %d\n", stat_test_runs(buffer));
+
+ printf("running stat_tests on AES-128-ICM, expecting success\n");
+ /* set buffer to cipher output */
+ for (i=0; i < 2500; i++)
+ buffer[i] = 0;
+ err_check(cipher_type_alloc(&aes_icm, &c, 30));
+ err_check(cipher_init(c, key, direction_encrypt));
+ err_check(cipher_set_iv(c, &nonce));
+ err_check(cipher_encrypt(c, buffer, &buf_len));
+ /* run tests on cipher outout */
+ printf("monobit %d\n", stat_test_monobit(buffer));
+ printf("poker %d\n", stat_test_poker(buffer));
+ printf("runs %d\n", stat_test_runs(buffer));
+
+ printf("runs test (please be patient): ");
+ fflush(stdout);
+ num_fail = 0;
+ v128_set_to_zero(&nonce);
+ for(j=0; j < num_trials; j++) {
+ for (i=0; i < 2500; i++)
+ buffer[i] = 0;
+ nonce.v32[3] = i;
+ err_check(cipher_set_iv(c, &nonce));
+ err_check(cipher_encrypt(c, buffer, &buf_len));
+ if (stat_test_runs(buffer)) {
+ num_fail++;
+ }
+ }
+
+ printf("%d failures in %d tests\n", num_fail, num_trials);
+ printf("(nota bene: a small fraction of stat_test failures does not \n"
+ "indicate that the random source is invalid)\n");
+
+ return 0;
+}
diff --git a/doc/Doxyfile b/doc/Doxyfile
new file mode 100644
index 0000000..c6e6a6d
--- /dev/null
+++ b/doc/Doxyfile
@@ -0,0 +1,1042 @@
+# Doxyfile 1.3-rc3
+
+# This file describes the settings to be used by the documentation system
+# doxygen (www.doxygen.org) for a project
+#
+# All text after a hash (#) is considered a comment and will be ignored
+# The format is:
+# TAG = value [value, ...]
+# For lists items can also be appended using:
+# TAG += value [value, ...]
+# Values that contain spaces should be placed between quotes (" ")
+
+#---------------------------------------------------------------------------
+# General configuration options
+#---------------------------------------------------------------------------
+
+# The PROJECT_NAME tag is a single word (or a sequence of words surrounded
+# by quotes) that should identify the project.
+
+PROJECT_NAME = libSRTP
+
+# The PROJECT_NUMBER tag can be used to enter a project or revision number.
+# This could be handy for archiving the generated documentation or
+# if some version control system is used.
+
+PROJECT_NUMBER = 1.3.22
+
+# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute)
+# base path where the generated documentation will be put.
+# If a relative path is entered, it will be relative to the location
+# where doxygen was started. If left blank the current directory will be used.
+
+OUTPUT_DIRECTORY =
+
+# The OUTPUT_LANGUAGE tag is used to specify the language in which all
+# documentation generated by doxygen is written. Doxygen will use this
+# information to generate all constant output in the proper language.
+# The default language is English, other supported languages are:
+# Brazilian, Catalan, Chinese, Chinese-Traditional, Croatian, Czech, Danish, Dutch,
+# Finnish, French, German, Greek, Hungarian, Italian, Japanese, Japanese-en
+# (Japanese with english messages), Korean, Norwegian, Polish, Portuguese,
+# Romanian, Russian, Serbian, Slovak, Slovene, Spanish, Swedish and Ukrainian.
+
+OUTPUT_LANGUAGE = English
+
+# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in
+# documentation are documented, even if no documentation was available.
+# Private class members and static file members will be hidden unless
+# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES
+
+EXTRACT_ALL = NO
+
+# If the EXTRACT_PRIVATE tag is set to YES all private members of a class
+# will be included in the documentation.
+
+EXTRACT_PRIVATE = NO
+
+# If the EXTRACT_STATIC tag is set to YES all static members of a file
+# will be included in the documentation.
+
+EXTRACT_STATIC = NO
+
+# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs)
+# defined locally in source files will be included in the documentation.
+# If set to NO only classes defined in header files are included.
+
+EXTRACT_LOCAL_CLASSES = YES
+
+# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all
+# undocumented members of documented classes, files or namespaces.
+# If set to NO (the default) these members will be included in the
+# various overviews, but no documentation section is generated.
+# This option has no effect if EXTRACT_ALL is enabled.
+
+HIDE_UNDOC_MEMBERS = YES
+
+# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all
+# undocumented classes that are normally visible in the class hierarchy.
+# If set to NO (the default) these class will be included in the various
+# overviews. This option has no effect if EXTRACT_ALL is enabled.
+
+HIDE_UNDOC_CLASSES = NO
+
+# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all
+# friend (class|struct|union) declarations.
+# If set to NO (the default) these declarations will be included in the
+# documentation.
+
+HIDE_FRIEND_COMPOUNDS = NO
+
+# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any
+# documentation blocks found inside the body of a function.
+# If set to NO (the default) these blocks will be appended to the
+# function's detailed documentation block.
+
+HIDE_IN_BODY_DOCS = NO
+
+# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will
+# include brief member descriptions after the members that are listed in
+# the file and class documentation (similar to JavaDoc).
+# Set to NO to disable this.
+
+BRIEF_MEMBER_DESC = YES
+
+# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend
+# the brief description of a member or function before the detailed description.
+# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the
+# brief descriptions will be completely suppressed.
+
+REPEAT_BRIEF = NO
+
+# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then
+# Doxygen will generate a detailed section even if there is only a brief
+# description.
+
+ALWAYS_DETAILED_SEC = NO
+
+# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show
+# all inherited members of a class in the documentation of that class
+# as if those members were ordinary class members. Constructors,
+# destructors and assignment operators of the base classes will not be
+# shown.
+
+INLINE_INHERITED_MEMB = NO
+
+# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full
+# path before files name in the file list and in the header files. If set
+# to NO the shortest path that makes the file name unique will be used.
+
+FULL_PATH_NAMES = NO
+
+# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag
+# can be used to strip a user defined part of the path. Stripping is
+# only done if one of the specified strings matches the left-hand part of
+# the path. It is allowed to use relative paths in the argument list.
+
+STRIP_FROM_PATH =
+
+# The INTERNAL_DOCS tag determines if documentation
+# that is typed after a \internal command is included. If the tag is set
+# to NO (the default) then the documentation will be excluded.
+# Set it to YES to include the internal documentation.
+
+INTERNAL_DOCS = NO
+
+# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate
+# file names in lower case letters. If set to YES upper case letters are also
+# allowed. This is useful if you have classes or files whose names only differ
+# in case and if your file system supports case sensitive file names. Windows
+# users are adviced to set this option to NO.
+
+CASE_SENSE_NAMES = YES
+
+# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter
+# (but less readable) file names. This can be useful is your file systems
+# doesn't support long names like on DOS, Mac, or CD-ROM.
+
+SHORT_NAMES = NO
+
+# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen
+# will show members with their full class and namespace scopes in the
+# documentation. If set to YES the scope will be hidden.
+
+HIDE_SCOPE_NAMES = NO
+
+# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen
+# will generate a verbatim copy of the header file for each class for
+# which an include is specified. Set to NO to disable this.
+
+VERBATIM_HEADERS = YES
+
+# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen
+# will put list of the files that are included by a file in the documentation
+# of that file.
+
+SHOW_INCLUDE_FILES = NO
+
+# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen
+# will interpret the first line (until the first dot) of a JavaDoc-style
+# comment as the brief description. If set to NO, the JavaDoc
+# comments will behave just like the Qt-style comments (thus requiring an
+# explict @brief command for a brief description.
+
+JAVADOC_AUTOBRIEF = NO
+
+# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen
+# treat a multi-line C++ special comment block (i.e. a block of //! or ///
+# comments) as a brief description. This used to be the default behaviour.
+# The new default is to treat a multi-line C++ comment block as a detailed
+# description. Set this tag to YES if you prefer the old behaviour instead.
+
+MULTILINE_CPP_IS_BRIEF = NO
+
+# If the DETAILS_AT_TOP tag is set to YES then Doxygen
+# will output the detailed description near the top, like JavaDoc.
+# If set to NO, the detailed description appears after the member
+# documentation.
+
+DETAILS_AT_TOP = NO
+
+# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented
+# member inherits the documentation from any documented member that it
+# reimplements.
+
+INHERIT_DOCS = YES
+
+# If the INLINE_INFO tag is set to YES (the default) then a tag [inline]
+# is inserted in the documentation for inline members.
+
+INLINE_INFO = YES
+
+# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen
+# will sort the (detailed) documentation of file and class members
+# alphabetically by member name. If set to NO the members will appear in
+# declaration order.
+
+SORT_MEMBER_DOCS = YES
+
+# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC
+# tag is set to YES, then doxygen will reuse the documentation of the first
+# member in the group (if any) for the other members of the group. By default
+# all members of a group must be documented explicitly.
+
+DISTRIBUTE_GROUP_DOC = NO
+
+# The TAB_SIZE tag can be used to set the number of spaces in a tab.
+# Doxygen uses this value to replace tabs by spaces in code fragments.
+
+TAB_SIZE = 3
+
+# The GENERATE_TODOLIST tag can be used to enable (YES) or
+# disable (NO) the todo list. This list is created by putting \todo
+# commands in the documentation.
+
+GENERATE_TODOLIST = YES
+
+# The GENERATE_TESTLIST tag can be used to enable (YES) or
+# disable (NO) the test list. This list is created by putting \test
+# commands in the documentation.
+
+GENERATE_TESTLIST = YES
+
+# The GENERATE_BUGLIST tag can be used to enable (YES) or
+# disable (NO) the bug list. This list is created by putting \bug
+# commands in the documentation.
+
+GENERATE_BUGLIST = YES
+
+# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or
+# disable (NO) the deprecated list. This list is created by putting
+# \deprecated commands in the documentation.
+
+GENERATE_DEPRECATEDLIST= YES
+
+# This tag can be used to specify a number of aliases that acts
+# as commands in the documentation. An alias has the form "name=value".
+# For example adding "sideeffect=\par Side Effects:\n" will allow you to
+# put the command \sideeffect (or @sideeffect) in the documentation, which
+# will result in a user defined paragraph with heading "Side Effects:".
+# You can put \n's in the value part of an alias to insert newlines.
+
+ALIASES =
+
+# The ENABLED_SECTIONS tag can be used to enable conditional
+# documentation sections, marked by \if sectionname ... \endif.
+
+ENABLED_SECTIONS =
+
+# The MAX_INITIALIZER_LINES tag determines the maximum number of lines
+# the initial value of a variable or define consist of for it to appear in
+# the documentation. If the initializer consists of more lines than specified
+# here it will be hidden. Use a value of 0 to hide initializers completely.
+# The appearance of the initializer of individual variables and defines in the
+# documentation can be controlled using \showinitializer or \hideinitializer
+# command in the documentation regardless of this setting.
+
+MAX_INITIALIZER_LINES = 30
+
+# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C sources
+# only. Doxygen will then generate output that is more tailored for C.
+# For instance some of the names that are used will be different. The list
+# of all members will be omitted, etc.
+
+OPTIMIZE_OUTPUT_FOR_C = YES
+
+# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java sources
+# only. Doxygen will then generate output that is more tailored for Java.
+# For instance namespaces will be presented as packages, qualified scopes
+# will look different, etc.
+
+OPTIMIZE_OUTPUT_JAVA = NO
+
+# Set the SHOW_USED_FILES tag to NO to disable the list of files generated
+# at the bottom of the documentation of classes and structs. If set to YES the
+# list will mention the files that were used to generate the documentation.
+
+SHOW_USED_FILES = YES
+
+#---------------------------------------------------------------------------
+# configuration options related to warning and progress messages
+#---------------------------------------------------------------------------
+
+# The QUIET tag can be used to turn on/off the messages that are generated
+# by doxygen. Possible values are YES and NO. If left blank NO is used.
+
+QUIET = NO
+
+# The WARNINGS tag can be used to turn on/off the warning messages that are
+# generated by doxygen. Possible values are YES and NO. If left blank
+# NO is used.
+
+WARNINGS = YES
+
+# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings
+# for undocumented members. If EXTRACT_ALL is set to YES then this flag will
+# automatically be disabled.
+
+WARN_IF_UNDOCUMENTED = YES
+
+# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for
+# potential errors in the documentation, such as not documenting some
+# parameters in a documented function, or documenting parameters that
+# don't exist or using markup commands wrongly.
+
+WARN_IF_DOC_ERROR = YES
+
+# The WARN_FORMAT tag determines the format of the warning messages that
+# doxygen can produce. The string should contain the $file, $line, and $text
+# tags, which will be replaced by the file and line number from which the
+# warning originated and the warning text.
+
+WARN_FORMAT = "$file:$line: $text"
+
+# The WARN_LOGFILE tag can be used to specify a file to which warning
+# and error messages should be written. If left blank the output is written
+# to stderr.
+
+WARN_LOGFILE =
+
+#---------------------------------------------------------------------------
+# configuration options related to the input files
+#---------------------------------------------------------------------------
+
+# The INPUT tag can be used to specify the files and/or directories that contain
+# documented source files. You may enter file names like "myfile.cpp" or
+# directories like "/usr/src/myproject". Separate the files or directories
+# with spaces.
+
+INPUT = intro.txt ../include/srtp.h ../crypto/include/crypto_types.h ../crypto/include/err.h ../crypto/include/crypto.h crypto_kernel.txt
+
+# If the value of the INPUT tag contains directories, you can use the
+# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
+# and *.h) to filter out the source-files in the directories. If left
+# blank the following patterns are tested:
+# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx *.hpp
+# *.h++ *.idl *.odl
+
+FILE_PATTERNS =
+
+# The RECURSIVE tag can be used to turn specify whether or not subdirectories
+# should be searched for input files as well. Possible values are YES and NO.
+# If left blank NO is used.
+
+RECURSIVE = NO
+
+# The EXCLUDE tag can be used to specify files and/or directories that should
+# excluded from the INPUT source files. This way you can easily exclude a
+# subdirectory from a directory tree whose root is specified with the INPUT tag.
+
+EXCLUDE =
+
+# The EXCLUDE_SYMLINKS tag can be used select whether or not files or directories
+# that are symbolic links (a Unix filesystem feature) are excluded from the input.
+
+EXCLUDE_SYMLINKS = NO
+
+# If the value of the INPUT tag contains directories, you can use the
+# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude
+# certain files from those directories.
+
+EXCLUDE_PATTERNS =
+
+# The EXAMPLE_PATH tag can be used to specify one or more files or
+# directories that contain example code fragments that are included (see
+# the \include command).
+
+EXAMPLE_PATH =
+
+# If the value of the EXAMPLE_PATH tag contains directories, you can use the
+# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp
+# and *.h) to filter out the source-files in the directories. If left
+# blank all files are included.
+
+EXAMPLE_PATTERNS =
+
+# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be
+# searched for input files to be used with the \include or \dontinclude
+# commands irrespective of the value of the RECURSIVE tag.
+# Possible values are YES and NO. If left blank NO is used.
+
+EXAMPLE_RECURSIVE = NO
+
+# The IMAGE_PATH tag can be used to specify one or more files or
+# directories that contain image that are included in the documentation (see
+# the \image command).
+
+IMAGE_PATH =
+
+# The INPUT_FILTER tag can be used to specify a program that doxygen should
+# invoke to filter for each input file. Doxygen will invoke the filter program
+# by executing (via popen()) the command <filter> <input-file>, where <filter>
+# is the value of the INPUT_FILTER tag, and <input-file> is the name of an
+# input file. Doxygen will then use the output that the filter program writes
+# to standard output.
+
+INPUT_FILTER =
+
+# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using
+# INPUT_FILTER) will be used to filter the input files when producing source
+# files to browse (i.e. when SOURCE_BROWSER is set to YES).
+
+FILTER_SOURCE_FILES = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to source browsing
+#---------------------------------------------------------------------------
+
+# If the SOURCE_BROWSER tag is set to YES then a list of source files will
+# be generated. Documented entities will be cross-referenced with these sources.
+
+SOURCE_BROWSER = NO
+
+# Setting the INLINE_SOURCES tag to YES will include the body
+# of functions and classes directly in the documentation.
+
+INLINE_SOURCES = NO
+
+# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct
+# doxygen to hide any special comment blocks from generated source code
+# fragments. Normal C and C++ comments will always remain visible.
+
+STRIP_CODE_COMMENTS = YES
+
+# If the REFERENCED_BY_RELATION tag is set to YES (the default)
+# then for each documented function all documented
+# functions referencing it will be listed.
+
+REFERENCED_BY_RELATION = YES
+
+# If the REFERENCES_RELATION tag is set to YES (the default)
+# then for each documented function all documented entities
+# called/used by that function will be listed.
+
+REFERENCES_RELATION = YES
+
+#---------------------------------------------------------------------------
+# configuration options related to the alphabetical class index
+#---------------------------------------------------------------------------
+
+# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index
+# of all compounds will be generated. Enable this if the project
+# contains a lot of classes, structs, unions or interfaces.
+
+ALPHABETICAL_INDEX = NO
+
+# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then
+# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns
+# in which this list will be split (can be a number in the range [1..20])
+
+COLS_IN_ALPHA_INDEX = 5
+
+# In case all classes in a project start with a common prefix, all
+# classes will be put under the same header in the alphabetical index.
+# The IGNORE_PREFIX tag can be used to specify one or more prefixes that
+# should be ignored while generating the index headers.
+
+IGNORE_PREFIX =
+
+#---------------------------------------------------------------------------
+# configuration options related to the HTML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_HTML tag is set to YES (the default) Doxygen will
+# generate HTML output.
+
+GENERATE_HTML = NO
+
+# The HTML_OUTPUT tag is used to specify where the HTML docs will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `html' will be used as the default path.
+
+HTML_OUTPUT = html
+
+# The HTML_FILE_EXTENSION tag can be used to specify the file extension for
+# each generated HTML page (for example: .htm,.php,.asp). If it is left blank
+# doxygen will generate files with .html extension.
+
+HTML_FILE_EXTENSION = .html
+
+# The HTML_HEADER tag can be used to specify a personal HTML header for
+# each generated HTML page. If it is left blank doxygen will generate a
+# standard header.
+
+HTML_HEADER =
+
+# The HTML_FOOTER tag can be used to specify a personal HTML footer for
+# each generated HTML page. If it is left blank doxygen will generate a
+# standard footer.
+
+HTML_FOOTER =
+
+# The HTML_STYLESHEET tag can be used to specify a user defined cascading
+# style sheet that is used by each HTML page. It can be used to
+# fine-tune the look of the HTML output. If the tag is left blank doxygen
+# will generate a default style sheet
+
+HTML_STYLESHEET =
+
+# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes,
+# files or namespaces will be aligned in HTML using tables. If set to
+# NO a bullet list will be used.
+
+HTML_ALIGN_MEMBERS = YES
+
+# If the GENERATE_HTMLHELP tag is set to YES, additional index files
+# will be generated that can be used as input for tools like the
+# Microsoft HTML help workshop to generate a compressed HTML help file (.chm)
+# of the generated HTML documentation.
+
+GENERATE_HTMLHELP = NO
+
+# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can
+# be used to specify the file name of the resulting .chm file. You
+# can add a path in front of the file if the result should not be
+# written to the html output dir.
+
+CHM_FILE =
+
+# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can
+# be used to specify the location (absolute path including file name) of
+# the HTML help compiler (hhc.exe). If non empty doxygen will try to run
+# the html help compiler on the generated index.hhp.
+
+HHC_LOCATION =
+
+# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag
+# controls if a separate .chi index file is generated (YES) or that
+# it should be included in the master .chm file (NO).
+
+GENERATE_CHI = NO
+
+# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag
+# controls whether a binary table of contents is generated (YES) or a
+# normal table of contents (NO) in the .chm file.
+
+BINARY_TOC = NO
+
+# The TOC_EXPAND flag can be set to YES to add extra items for group members
+# to the contents of the Html help documentation and to the tree view.
+
+TOC_EXPAND = NO
+
+# The DISABLE_INDEX tag can be used to turn on/off the condensed index at
+# top of each HTML page. The value NO (the default) enables the index and
+# the value YES disables it.
+
+DISABLE_INDEX = NO
+
+# This tag can be used to set the number of enum values (range [1..20])
+# that doxygen will group on one line in the generated HTML documentation.
+
+ENUM_VALUES_PER_LINE = 4
+
+# If the GENERATE_TREEVIEW tag is set to YES, a side panel will be
+# generated containing a tree-like index structure (just like the one that
+# is generated for HTML Help). For this to work a browser that supports
+# JavaScript, DHTML, CSS and frames is required (for instance Mozilla,
+# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are
+# probably better off using the HTML help feature.
+
+GENERATE_TREEVIEW = NO
+
+# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be
+# used to set the initial width (in pixels) of the frame in which the tree
+# is shown.
+
+TREEVIEW_WIDTH = 250
+
+#---------------------------------------------------------------------------
+# configuration options related to the LaTeX output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will
+# generate Latex output.
+
+GENERATE_LATEX = YES
+
+# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `latex' will be used as the default path.
+
+LATEX_OUTPUT = latex
+
+# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be
+# invoked. If left blank `latex' will be used as the default command name.
+
+LATEX_CMD_NAME = latex
+
+# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to
+# generate index for LaTeX. If left blank `makeindex' will be used as the
+# default command name.
+
+MAKEINDEX_CMD_NAME = makeindex
+
+# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact
+# LaTeX documents. This may be useful for small projects and may help to
+# save some trees in general.
+
+COMPACT_LATEX = NO
+
+# The PAPER_TYPE tag can be used to set the paper type that is used
+# by the printer. Possible values are: a4, a4wide, letter, legal and
+# executive. If left blank a4wide will be used.
+
+PAPER_TYPE = letter
+
+# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX
+# packages that should be included in the LaTeX output.
+
+EXTRA_PACKAGES =
+
+# The LATEX_HEADER tag can be used to specify a personal LaTeX header for
+# the generated latex document. The header should contain everything until
+# the first chapter. If it is left blank doxygen will generate a
+# standard header. Notice: only use this tag if you know what you are doing!
+
+LATEX_HEADER = header.tex
+
+# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated
+# is prepared for conversion to pdf (using ps2pdf). The pdf file will
+# contain links (just like the HTML output) instead of page references
+# This makes the output suitable for online browsing using a pdf viewer.
+
+PDF_HYPERLINKS = YES
+
+# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of
+# plain latex in the generated Makefile. Set this option to YES to get a
+# higher quality PDF documentation.
+
+USE_PDFLATEX = YES
+
+# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode.
+# command to the generated LaTeX files. This will instruct LaTeX to keep
+# running if errors occur, instead of asking the user for help.
+# This option is also used when generating formulas in HTML.
+
+LATEX_BATCHMODE = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the RTF output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output
+# The RTF output is optimised for Word 97 and may not look very pretty with
+# other RTF readers or editors.
+
+GENERATE_RTF = NO
+
+# The RTF_OUTPUT tag is used to specify where the RTF docs will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `rtf' will be used as the default path.
+
+RTF_OUTPUT = rtf
+
+# If the COMPACT_RTF tag is set to YES Doxygen generates more compact
+# RTF documents. This may be useful for small projects and may help to
+# save some trees in general.
+
+COMPACT_RTF = NO
+
+# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated
+# will contain hyperlink fields. The RTF file will
+# contain links (just like the HTML output) instead of page references.
+# This makes the output suitable for online browsing using WORD or other
+# programs which support those fields.
+# Note: wordpad (write) and others do not support links.
+
+RTF_HYPERLINKS = NO
+
+# Load stylesheet definitions from file. Syntax is similar to doxygen's
+# config file, i.e. a series of assigments. You only have to provide
+# replacements, missing definitions are set to their default value.
+
+RTF_STYLESHEET_FILE =
+
+# Set optional variables used in the generation of an rtf document.
+# Syntax is similar to doxygen's config file.
+
+RTF_EXTENSIONS_FILE =
+
+#---------------------------------------------------------------------------
+# configuration options related to the man page output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_MAN tag is set to YES (the default) Doxygen will
+# generate man pages
+
+GENERATE_MAN = NO
+
+# The MAN_OUTPUT tag is used to specify where the man pages will be put.
+# If a relative path is entered the value of OUTPUT_DIRECTORY will be
+# put in front of it. If left blank `man' will be used as the default path.
+
+MAN_OUTPUT = man
+
+# The MAN_EXTENSION tag determines the extension that is added to
+# the generated man pages (default is the subroutine's section .3)
+
+MAN_EXTENSION = .3
+
+# If the MAN_LINKS tag is set to YES and Doxygen generates man output,
+# then it will generate one additional man file for each entity
+# documented in the real man page(s). These additional files
+# only source the real man page, but without them the man command
+# would be unable to find the correct page. The default is NO.
+
+MAN_LINKS = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the XML output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_XML tag is set to YES Doxygen will
+# generate an XML file that captures the structure of
+# the code including all documentation. Note that this
+# feature is still experimental and incomplete at the
+# moment.
+
+GENERATE_XML = NO
+
+# The XML_SCHEMA tag can be used to specify an XML schema,
+# which can be used by a validating XML parser to check the
+# syntax of the XML files.
+
+XML_SCHEMA =
+
+# The XML_DTD tag can be used to specify an XML DTD,
+# which can be used by a validating XML parser to check the
+# syntax of the XML files.
+
+XML_DTD =
+
+#---------------------------------------------------------------------------
+# configuration options for the AutoGen Definitions output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will
+# generate an AutoGen Definitions (see autogen.sf.net) file
+# that captures the structure of the code including all
+# documentation. Note that this feature is still experimental
+# and incomplete at the moment.
+
+GENERATE_AUTOGEN_DEF = NO
+
+#---------------------------------------------------------------------------
+# configuration options related to the Perl module output
+#---------------------------------------------------------------------------
+
+# If the GENERATE_PERLMOD tag is set to YES Doxygen will
+# generate a Perl module file that captures the structure of
+# the code including all documentation. Note that this
+# feature is still experimental and incomplete at the
+# moment.
+
+GENERATE_PERLMOD = NO
+
+# If the PERLMOD_LATEX tag is set to YES Doxygen will generate
+# the necessary Makefile rules, Perl scripts and LaTeX code to be able
+# to generate PDF and DVI output from the Perl module output.
+
+PERLMOD_LATEX = NO
+
+# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be
+# nicely formatted so it can be parsed by a human reader. This is useful
+# if you want to understand what is going on. On the other hand, if this
+# tag is set to NO the size of the Perl module output will be much smaller
+# and Perl will parse it just the same.
+
+PERLMOD_PRETTY = YES
+
+# The names of the make variables in the generated doxyrules.make file
+# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX.
+# This is useful so different doxyrules.make files included by the same
+# Makefile don't overwrite each other's variables.
+
+PERLMOD_MAKEVAR_PREFIX =
+
+#---------------------------------------------------------------------------
+# Configuration options related to the preprocessor
+#---------------------------------------------------------------------------
+
+# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will
+# evaluate all C-preprocessor directives found in the sources and include
+# files.
+
+ENABLE_PREPROCESSING = YES
+
+# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro
+# names in the source code. If set to NO (the default) only conditional
+# compilation will be performed. Macro expansion can be done in a controlled
+# way by setting EXPAND_ONLY_PREDEF to YES.
+
+MACRO_EXPANSION = NO
+
+# If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES
+# then the macro expansion is limited to the macros specified with the
+# PREDEFINED and EXPAND_AS_PREDEFINED tags.
+
+EXPAND_ONLY_PREDEF = NO
+
+# If the SEARCH_INCLUDES tag is set to YES (the default) the includes files
+# in the INCLUDE_PATH (see below) will be search if a #include is found.
+
+SEARCH_INCLUDES = YES
+
+# The INCLUDE_PATH tag can be used to specify one or more directories that
+# contain include files that are not input files but should be processed by
+# the preprocessor.
+
+INCLUDE_PATH =
+
+# You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard
+# patterns (like *.h and *.hpp) to filter out the header-files in the
+# directories. If left blank, the patterns specified with FILE_PATTERNS will
+# be used.
+
+INCLUDE_FILE_PATTERNS =
+
+# The PREDEFINED tag can be used to specify one or more macro names that
+# are defined before the preprocessor is started (similar to the -D option of
+# gcc). The argument of the tag is a list of macros of the form: name
+# or name=definition (no spaces). If the definition and the = are
+# omitted =1 is assumed.
+
+PREDEFINED =
+
+# If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then
+# this tag can be used to specify a list of macro names that should be expanded.
+# The macro definition that is found in the sources will be used.
+# Use the PREDEFINED tag if you want to use a different macro definition.
+
+EXPAND_AS_DEFINED =
+
+# If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then
+# doxygen's preprocessor will remove all function-like macros that are alone
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+# function macros are typically used for boiler-plate code, and will confuse the
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+
+SKIP_FUNCTION_MACROS = YES
+
+#---------------------------------------------------------------------------
+# Configuration::addtions related to external references
+#---------------------------------------------------------------------------
+
+# The TAGFILES tag can be used to specify one or more tagfiles.
+
+TAGFILES =
+
+# When a file name is specified after GENERATE_TAGFILE, doxygen will create
+# a tag file that is based on the input files it reads.
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+GENERATE_TAGFILE =
+
+# If the ALLEXTERNALS tag is set to YES all external classes will be listed
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+
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+# If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed
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+EXTERNAL_GROUPS = YES
+
+# The PERL_PATH should be the absolute path and name of the perl script
+# interpreter (i.e. the result of `which perl').
+
+PERL_PATH = /usr/bin/perl
+
+#---------------------------------------------------------------------------
+# Configuration options related to the dot tool
+#---------------------------------------------------------------------------
+
+# If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will
+# generate a inheritance diagram (in Html, RTF and LaTeX) for classes with base or
+# super classes. Setting the tag to NO turns the diagrams off. Note that this
+# option is superceded by the HAVE_DOT option below. This is only a fallback. It is
+# recommended to install and use dot, since it yield more powerful graphs.
+
+CLASS_DIAGRAMS = YES
+
+# If set to YES, the inheritance and collaboration graphs will hide
+# inheritance and usage relations if the target is undocumented
+# or is not a class.
+
+HIDE_UNDOC_RELATIONS = YES
+
+# If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is
+# available from the path. This tool is part of Graphviz, a graph visualization
+# toolkit from AT&T and Lucent Bell Labs. The other options in this section
+# have no effect if this option is set to NO (the default)
+
+HAVE_DOT = NO
+
+# If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen
+# will generate a graph for each documented class showing the direct and
+# indirect inheritance relations. Setting this tag to YES will force the
+# the CLASS_DIAGRAMS tag to NO.
+
+CLASS_GRAPH = YES
+
+# If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen
+# will generate a graph for each documented class showing the direct and
+# indirect implementation dependencies (inheritance, containment, and
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+
+COLLABORATION_GRAPH = YES
+
+# If set to YES, the inheritance and collaboration graphs will show the
+# relations between templates and their instances.
+
+TEMPLATE_RELATIONS = YES
+
+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT
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+# file showing the direct and indirect include dependencies of the file with
+# other documented files.
+
+INCLUDE_GRAPH = YES
+
+# If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and
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+# documented header file showing the documented files that directly or
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+INCLUDED_BY_GRAPH = YES
+
+# If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen
+# will graphical hierarchy of all classes instead of a textual one.
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+# The DOT_IMAGE_FORMAT tag can be used to set the image format of the images
+# generated by dot. Possible values are png, jpg, or gif
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+DOT_IMAGE_FORMAT = png
+
+# The tag DOT_PATH can be used to specify the path where the dot tool can be
+# found. If left blank, it is assumed the dot tool can be found on the path.
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+
+# The DOTFILE_DIRS tag can be used to specify one or more directories that
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+# \dotfile command).
+
+DOTFILE_DIRS =
+
+# The MAX_DOT_GRAPH_WIDTH tag can be used to set the maximum allowed width
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+# large images.
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+
+# If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will
+# generate a legend page explaining the meaning of the various boxes and
+# arrows in the dot generated graphs.
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+GENERATE_LEGEND = YES
+
+# If the DOT_CLEANUP tag is set to YES (the default) Doxygen will
+# remove the intermedate dot files that are used to generate
+# the various graphs.
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+DOT_CLEANUP = YES
+
+#---------------------------------------------------------------------------
+# Configuration::addtions related to the search engine
+#---------------------------------------------------------------------------
+
+# The SEARCHENGINE tag specifies whether or not a search engine should be
+# used. If set to NO the values of all tags below this one will be ignored.
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+
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+
+# The CGI_URL tag should be the absolute URL to the directory where the
+# cgi binaries are located. See the documentation of your http daemon for
+# details.
+
+CGI_URL =
+
+# The DOC_URL tag should be the absolute URL to the directory where the
+# documentation is located. If left blank the absolute path to the
+# documentation, with file:// prepended to it, will be used.
+
+DOC_URL =
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+# The DOC_ABSPATH tag should be the absolute path to the directory where the
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+# will be used.
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diff --git a/doc/Makefile b/doc/Makefile
new file mode 100644
index 0000000..d4c0845
--- /dev/null
+++ b/doc/Makefile
@@ -0,0 +1,44 @@
+# Makefile for libSRTP documentation
+#
+# David A. McGrew
+# Cisco Systems, Inc.
+#
+# This makefile does not use the autoconf system; we don't really need
+# it. We just run doxygen then latex. If you don't have either of
+# these, then there is no way that you can make your own
+# documentation. Of course, you can just go online at pick up the
+# documentation from http://srtp.sourceforge.net.
+
+srcdir = .
+top_srcdir = ..
+top_builddir = ../
+
+
+# Determine the version of the library
+
+version = $(shell cat $(top_srcdir)/VERSION)
+
+
+.PHONY: libsrtpdoc cryptodoc clean
+libsrtpdoc:
+ @if test ! -e Doxyfile; then \
+ echo "*** Sorry, can't build doc outside source dir"; exit 1; \
+ fi
+ sed 's/LIBSRTPVERSION/$(version)/' header.template > header.tex
+ doxygen
+ sed 's/\subsection/\section/' latex/index.tex > latex/index.tmp
+ mv latex/index.tmp latex/index.tex
+ cd latex; make
+ cp latex/refman.pdf libsrtp.pdf
+
+
+cryptodoc: clean
+ doxygen crypto.dox
+ cd latex; make
+ cp latex/refman.pdf crypto.pdf
+
+clean:
+ rm -rf latex/ header.tex
+ for a in * ; do \
+ if [ -f "$$a~" ] ; then rm -f $$a~; fi; \
+ done;
diff --git a/doc/Makefile.in b/doc/Makefile.in
new file mode 100644
index 0000000..5b4b6bd
--- /dev/null
+++ b/doc/Makefile.in
@@ -0,0 +1,44 @@
+# Makefile for libSRTP documentation
+#
+# David A. McGrew
+# Cisco Systems, Inc.
+#
+# This makefile does not use the autoconf system; we don't really need
+# it. We just run doxygen then latex. If you don't have either of
+# these, then there is no way that you can make your own
+# documentation. Of course, you can just go online at pick up the
+# documentation from http://srtp.sourceforge.net.
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+top_builddir = @top_builddir@
+VPATH = @srcdir@
+
+# Determine the version of the library
+
+version = $(shell cat $(top_srcdir)/VERSION)
+
+
+.PHONY: libsrtpdoc cryptodoc clean
+libsrtpdoc:
+ @if test ! -e Doxyfile; then \
+ echo "*** Sorry, can't build doc outside source dir"; exit 1; \
+ fi
+ sed 's/LIBSRTPVERSION/$(version)/' header.template > header.tex
+ doxygen
+ sed 's/\subsection/\section/' latex/index.tex > latex/index.tmp
+ mv latex/index.tmp latex/index.tex
+ cd latex; make
+ cp latex/refman.pdf libsrtp.pdf
+
+
+cryptodoc: clean
+ doxygen crypto.dox
+ cd latex; make
+ cp latex/refman.pdf crypto.pdf
+
+clean:
+ rm -rf latex/ header.tex
+ for a in * ; do \
+ if [ -f "$$a~" ] ; then rm -f $$a~; fi; \
+ done;
diff --git a/doc/crypto_kernel.txt b/doc/crypto_kernel.txt
new file mode 100644
index 0000000..b0d033f
--- /dev/null
+++ b/doc/crypto_kernel.txt
@@ -0,0 +1,76 @@
+/**
+
+@defgroup CryptoKernel Cryptographic Kernel
+
+All of the cryptographic functions are contained in a kernel.
+
+*/
+
+/**
+
+@defgroup CipherImplementations Ciphers
+@ingroup CryptoKernel
+
+@brief A generic cipher type enables cipher agility, that is, the
+ability to write code that runs with multiple cipher types.
+Ciphers can be used through the crypto kernel, or can be accessed
+directly, if need be.
+
+@{
+
+*/
+
+/**
+ * @brief Allocates a cipher of a particular type.
+ * @warning May be implemented as a macro.
+ */
+err_status_t
+cipher_type_alloc(cipher_type_t *ctype, cipher_t **cipher,
+ unsigned key_len);
+
+/**
+ * @brief Initialized a cipher to use a particular key. May
+ * be invoked more than once on the same cipher.
+ * @warning May be implemented as a macro.
+ */
+
+err_status_t
+cipher_init(cipher_t *cipher, const uint8_t *key);
+
+/**
+ * @brief Sets the initialization vector of a given cipher.
+ * @warning May be implemented as a macro.
+ */
+
+err_status_t
+cipher_set_iv(cipher_t *cipher, void *iv);
+
+/**
+ * @brief Encrypts a buffer with a given cipher.
+ * @warning May be implemented as a macro.
+ */
+
+err_status_t
+cipher_encrypt(cipher_t *cipher, void *buf, unsigned int *len);
+
+/**
+ * @brief Sets a buffer to the keystream generated by the cipher.
+ * @warning May be implemented as a macro.
+ */
+err_status_t
+cipher_output(cipher_t *c, uint8_t *buffer, int num_octets_to_output);
+
+/**
+ * @brief Deallocates a cipher.
+ * @warning May be implemented as a macro.
+ */
+err_status_t
+cipher_dealloc(cipher_t *cipher);
+
+
+
+/**
+ * @}
+ */
+
+ */
\ No newline at end of file
diff --git a/doc/draft-irtf-cfrg-icm-00.txt b/doc/draft-irtf-cfrg-icm-00.txt
new file mode 100644
index 0000000..ddfce33
--- /dev/null
+++ b/doc/draft-irtf-cfrg-icm-00.txt
Binary files differ
diff --git a/doc/header.template b/doc/header.template
new file mode 100644
index 0000000..2c0b96d
--- /dev/null
+++ b/doc/header.template
@@ -0,0 +1,115 @@
+% header.tex
+%
+% header file for the libSRTP documentation - based on the header
+% file generated by doxygen, with the initial chapters of the
+% original libSRTP documentation tacked on
+%
+\documentclass[letterpaper]{book}
+\usepackage{makeidx}
+\usepackage{fancyhdr}
+\usepackage{graphicx}
+\usepackage{multicol}
+\usepackage{float}
+\usepackage{textcomp}
+\usepackage{alltt}
+\usepackage{times}
+\usepackage{graphicx}
+\ifx\pdfoutput\undefined
+\usepackage[ps2pdf,
+ pagebackref=true,
+ colorlinks=true,
+ linkcolor=blue
+ ]{hyperref}
+\else
+\usepackage[pdftex,
+ pagebackref=true,
+ colorlinks=true,
+ linkcolor=blue
+ ]{hyperref}
+\fi
+\usepackage{doxygen}
+\makeindex
+\setcounter{tocdepth}{1}
+\renewcommand{\footrulewidth}{0.4pt}
+
+% these lengths are from DAM
+\textwidth = 6.5 in
+%\textheight = 9 in
+\oddsidemargin = 0.0 in
+\evensidemargin = 0.0 in
+\topmargin = 0.0 in
+\headheight = 0.0 in
+%\headsep = 0.0 in
+\parskip = 0.2in
+\parindent = 0.0in
+
+% these header and footer definitions from DAM
+\lhead{libSRTP}
+\chead{}
+\rhead{\rightmark}
+%\rhead{\slshape }
+\lfoot{}
+\cfoot{ \thepage }
+\rfoot{}
+%\fancyhead[LE,RO]{\rightmark }
+%\fancyhead[LO,RE]{\slshape }
+
+% let's use the palatino font
+\fontfamily{ppl}
+\selectfont
+
+
+\begin{document}
+\begin{titlepage}
+\vspace*{4cm}
+%\begin{center}
+{\Huge
+libSRTP LIBSRTPVERSION Overview and Reference Manual\\
+ \hrulefill
+}\\
+\vspace*{0cm}
+\begin{flushright}
+{\Large David A. McGrew \\ \texttt{mcgrew@cisco.com} }\\
+\vspace*{0.5cm}
+\end{flushright}
+%\end{center}
+
+%\includegraphics[scale=.8]{phone}
+
+\end{titlepage}
+
+
+\clearemptydoublepage
+\vspace*{3cm}
+{\LARGE Preface}
+\vspace{1cm}
+
+The original implementation and documentation of libSRTP was written
+by David McGrew of Cisco Systems, Inc. in order to promote the use,
+understanding, and interoperability of Secure RTP. Michael Jerris
+contributed support for building under MSVC. Andris Pavenis
+contributed many important fixes. Brian West contributed changes to
+enable dynamic linking. Yves Shumann reported documentation bugs.
+Randell Jesup contributed a working SRTCP implementation and other
+fixes. Alex Vanzella and Will Clark contributed changes so that the
+AES ICM implementation can be used for ISMA media encryption. Steve
+Underwood contributed x86\_64 portability changes. We also give
+thanks to Fredrik Thulin, Brian Weis, Mark Baugher, Jeff Chan, Bill
+Simon, Douglas Smith, Bill May, Richard Preistley, Joe Tardo and
+others for contributions, comments, and corrections.
+
+This reference material in this documenation was generated using the
+\texttt{doxygen} utility for automatic documentation of source code.
+
+\copyright 2001-2005 by David A. McGrew, Cisco Systems, Inc.
+\thispagestyle{empty}
+
+\clearemptydoublepage
+\pagenumbering{roman}
+\tableofcontents
+%\clearemptydoublepage
+
+\clearemptydoublepage
+\pagenumbering{arabic}
+
+
diff --git a/doc/intro.txt b/doc/intro.txt
new file mode 100644
index 0000000..f315599
--- /dev/null
+++ b/doc/intro.txt
@@ -0,0 +1,395 @@
+/**
+
+@mainpage Introduction to libSRTP
+
+This document describes libSRTP, the Open Source Secure RTP library
+from Cisco Systems, Inc. RTP is the Real-time Transport Protocol, an
+IETF standard for the transport of real-time data such as telephony,
+audio, and video, defined by RFC1889. Secure RTP (SRTP) is an RTP
+profile for providing confidentiality to RTP data and authentication
+to the RTP header and payload. SRTP is an IETF Proposed Standard, and
+is defined in RFC 3711, and was developed in the IETF Audio/Video
+Transport (AVT) Working Group. This library supports all of the
+mandatory features of SRTP, but not all of the optional features. See
+the @ref Features section for more detailed information.
+
+This document is organized as follows. The first chapter provides
+background material on SRTP and overview of libSRTP. The following
+chapters provide a detailed reference to the libSRTP API and related
+functions. The reference material is created automatically (using the
+doxygen utility) from comments embedded in some of the C header
+files. The documentation is organized into modules in order to improve
+its clarity. These modules do not directly correspond to files. An
+underlying cryptographic kernel provides much of the basic
+functionality of libSRTP, but is mostly undocumented because it does
+its work behind the scenes.
+
+@section LICENSE License and Disclaimer
+
+libSRTP is distributed under the following license, which is included
+in the source code distribution. It is reproduced in the manual in
+case you got the library from another source.
+
+@latexonly
+\begin{quote}
+Copyright (c) 2001-2005 Cisco Systems, Inc. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+\begin{itemize}
+\item Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+\item Redistributions in binary form must reproduce the above
+ copyright notice, this list of conditions and the following
+ disclaimer in the documentation and/or other materials provided
+ with the distribution.
+\item Neither the name of the Cisco Systems, Inc. nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+\end{itemize}
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+OF THE POSSIBILITY OF SUCH DAMAGE.
+\end{quote}
+@endlatexonly
+
+@section Features Supported Features
+
+This library supports all of the mandatory-to-implement features of
+SRTP (as defined by the most recent Internet Draft). Some of these
+features can be selected (or de-selected) at run time by setting an
+appropriate policy; this is done using the structure srtp_policy_t.
+Some other behaviors of the protocol can be adapted by defining an
+approriate event handler for the exceptional events; see the @ref
+SRTPevents section.
+
+Some options that are not included in the specification are supported.
+Most notably, the TMMH authentication function is included, though it
+was removed from the SRTP Internet Draft during the summer of 2002.
+
+
+@latexonly
+Some options that are described in the SRTP specification are not
+supported. This includes
+\begin{itemize}
+\item the Master Key Index (MKI),
+\item key derivation rates other than zero,
+\item the cipher F8,
+\item anti-replay lists with sizes other than 128,
+\item the use of the packet index to select between master keys.
+\end{itemize}
+@endlatexonly
+
+The user should be aware that it is possible to misuse this libary,
+and that the result may be that the security level it provides is
+inadequate. If you are implementing a feature using this library, you
+will want to read the Security Considerations section of the Internet
+Draft. In addition, it is important that you read and understand the
+terms outlined in the @ref LICENSE section.
+
+
+@section Installing Installing and Building libSRTP
+
+@latexonly
+
+To install libSRTP, download the latest release of the distribution
+from \texttt{srtp.sourceforge.net}. The format of the names of the
+distributions are \texttt{srtp-A.B.C.tgz}, where \texttt{A} is the
+version number, \texttt{B} is the major release number, \texttt{C} is
+the minor release number, and \texttt{tgz} is the file
+extension\footnote{The extension \texttt{.tgz} is identical to
+\texttt{tar.gz}, and indicates a compressed tar file.} You probably
+want to get the most recent release. Unpack the distribution and
+extract the source files; the directory into which the soruce files
+will go is named \texttt{srtp}.
+
+libSRTP uses the GNU \texttt{autoconf} and \texttt{make}
+utilities\footnote{BSD make will not work; if both versions of make
+are on your platform, you can invoke GNU make as \texttt{gmake}.}. In
+the \texttt{srtp} directory, run the configure script and then make:
+\begin{verbatim}
+ ./configure [ options ]
+ make
+\end{verbatim}
+The configure script accepts the following options:
+\begin{quote}
+\begin{description}
+\item[--help] provides a usage summary.
+\item[--disable-debug] compiles libSRTP without the runtime
+ dynamic debugging system.
+\item[--enable-generic-aesicm] compile in changes for ismacryp
+\item[--enable-syslog] use syslog for error reporting.
+\item[--disable-stdout] diables stdout for error reporting.
+\item[--enable-console] use \texttt{/dev/console} for error reporting
+\item[--gdoi] use GDOI key management (disabled at present).
+\end{description}
+\end{quote}
+
+By default, dynamic debbuging is enabled and stdout is used for
+debugging. You can use the configure options to have the debugging
+output sent to syslog or the system console. Alternatively, you can
+define ERR\_REPORTING\_FILE in \texttt{include/conf.h} to be any other
+file that can be opened by libSRTP, and debug messages will be sent to
+it.
+
+This package has been tested on the following platforms: Mac OS X
+(powerpc-apple-darwin1.4), Cygwin (i686-pc-cygwin), Solaris
+(sparc-sun-solaris2.6), RedHat Linux 7.1 and 9 (i686-pc-linux), and
+OpenBSD (sparc-unknown-openbsd2.7).
+
+
+@endlatexonly
+
+@section Applications Applications
+
+@latexonly
+
+Several test drivers and a simple and portable srtp application are
+included in the \texttt{test/} subdirectory.
+
+\begin{center}
+\begin{tabular}{ll}
+\hline
+Test driver & Function tested \\
+\hline
+kernel\_driver & crypto kernel (ciphers, auth funcs, rng) \\
+srtp\_driver & srtp in-memory tests (does not use the network) \\
+rdbx\_driver & rdbx (extended replay database) \\
+roc\_driver & extended sequence number functions \\
+replay\_driver & replay database \\
+cipher\_driver & ciphers \\
+auth\_driver & hash functions \\
+\hline
+\end{tabular}
+\end{center}
+
+The app rtpw is a simple rtp application which reads words from
+/usr/dict/words and then sends them out one at a time using [s]rtp.
+Manual srtp keying uses the -k option; automated key management
+using gdoi will be added later.
+
+The usage for rtpw is
+
+\texttt{rtpw [[-d $<$debug$>$]* [-k $<$key$>$ [-a][-e]] [-s | -r] dest\_ip
+dest\_port][-l]}
+
+Either the -s (sender) or -r (receiver) option must be chosen. The
+values dest\_ip, dest\_port are the IP address and UDP port to which
+the dictionary will be sent, respectively. The options are:
+\begin{center}
+\begin{tabular}{ll}
+ -s & (S)RTP sender - causes app to send words \\
+ -r & (S)RTP receive - causes app to receve words \\
+ -k $<$key$>$ & use SRTP master key $<$key$>$, where the
+ key is a hexadecimal value (without the
+ leading "0x") \\
+ -e & encrypt/decrypt (for data confidentiality)
+ (requires use of -k option as well)\\
+ -a & message authentication
+ (requires use of -k option as well) \\
+ -l & list the avaliable debug modules \\
+ -d $<$debug$>$ & turn on debugging for module $<$debug$>$ \\
+\end{tabular}
+\end{center}
+
+In order to get a random 30-byte value for use as a key/salt pair, you
+can use the \texttt{rand\_gen} utility in the \texttt{test/}
+subdirectory.
+
+An example of an SRTP session using two rtpw programs follows:
+
+\begin{verbatim}
+[sh1] set k=`test/rand_gen -n 30`
+[sh1] echo $k
+c1eec3717da76195bb878578790af71c4ee9f859e197a414a78d5abc7451
+[sh1]$ test/rtpw -s -k $k -ea 0.0.0.0 9999
+Security services: confidentiality message authentication
+set master key/salt to C1EEC3717DA76195BB878578790AF71C/4EE9F859E197A414A78D5ABC7451
+setting SSRC to 2078917053
+sending word: A
+sending word: a
+sending word: aa
+sending word: aal
+sending word: aalii
+sending word: aam
+sending word: Aani
+sending word: aardvark
+...
+
+[sh2] set k=c1eec3717da76195bb878578790af71c4ee9f859e197a414a78d5abc7451
+[sh2]$ test/rtpw -r -k $k -ea 0.0.0.0 9999
+security services: confidentiality message authentication
+set master key/salt to C1EEC3717DA76195BB878578790AF71C/4EE9F859E197A414A78D5ABC7451
+19 octets received from SSRC 2078917053 word: A
+19 octets received from SSRC 2078917053 word: a
+20 octets received from SSRC 2078917053 word: aa
+21 octets received from SSRC 2078917053 word: aal
+...
+\end{verbatim}
+
+
+@endlatexonly
+
+
+@section Review Secure RTP Background
+
+In this section we review SRTP and introduce some terms that are used
+in libSRTP. An RTP session is defined by a pair of destination
+transport addresses, that is, a network address plus a pair of UDP
+ports for RTP and RTCP. RTCP, the RTP control protocol, is used to
+coordinate between the participants in an RTP session, e.g. to provide
+feedback from receivers to senders. An @e SRTP @e session is
+similarly defined; it is just an RTP session for which the SRTP
+profile is being used. An SRTP session consists of the traffic sent
+to the SRTP or SRTCP destination transport addresses. Each
+participant in a session is identified by a synchronization source
+(SSRC) identifier. Some participants may not send any SRTP traffic;
+they are called receivers, even though they send out SRTCP traffic,
+such as receiver reports.
+
+RTP allows multiple sources to send RTP and RTCP traffic during the
+same session. The synchronization source identifier (SSRC) is used to
+distinguish these sources. In libSRTP, we call the SRTP and SRTCP
+traffic from a particular source a @e stream. Each stream has its own
+SSRC, sequence number, rollover counter, and other data. A particular
+choice of options, cryptographic mechanisms, and keys is called a @e
+policy. Each stream within a session can have a distinct policy
+applied to it. A session policy is a collection of stream policies.
+
+A single policy can be used for all of the streams in a given session,
+though the case in which a single @e key is shared across multiple
+streams requires care. When key sharing is used, the SSRC values that
+identify the streams @b must be distinct. This requirement can be
+enforced by using the convention that each SRTP and SRTCP key is used
+for encryption by only a single sender. In other words, the key is
+shared only across streams that originate from a particular device (of
+course, other SRTP participants will need to use the key for
+decryption). libSRTP supports this enforcement by detecting the case
+in which a key is used for both inbound and outbound data.
+
+
+@section Overview libSRTP Overview
+
+libSRTP provides functions for protecting RTP and RTCP. RTP packets
+can be encrypted and authenticated (using the srtp_protect()
+function), turning them into SRTP packets. Similarly, SRTP packets
+can be decrypted and have their authentication verified (using the
+srtp_unprotect() function), turning them into RTP packets. Similar
+functions apply security to RTCP packets.
+
+The typedef srtp_stream_t points to a structure holding all of the
+state associated with an SRTP stream, including the keys and
+parameters for cipher and message authentication functions and the
+anti-replay data. A particular srtp_stream_t holds the information
+needed to protect a particular RTP and RTCP stream. This datatype
+is intentionally opaque in order to better seperate the libSRTP
+API from its implementation.
+
+Within an SRTP session, there can be multiple streams, each
+originating from a particular sender. Each source uses a distinct
+stream context to protect the RTP and RTCP stream that it is
+originating. The typedef srtp_t points to a structure holding all of
+the state associated with an SRTP session. There can be multiple
+stream contexts associated with a single srtp_t. A stream context
+cannot exist indepent from an srtp_t, though of course an srtp_t can
+be created that contains only a single stream context. A device
+participating in an SRTP session must have a stream context for each
+source in that session, so that it can process the data that it
+receives from each sender.
+
+
+In libSRTP, a session is created using the function srtp_create().
+The policy to be implemented in the session is passed into this
+function as an srtp_policy_t structure. A single one of these
+structures describes the policy of a single stream. These structures
+can also be linked together to form an entire session policy. A linked
+list of srtp_policy_t structures is equivalent to a session policy.
+In such a policy, we refer to a single srtp_policy_t as an @e element.
+
+An srtp_policy_t strucutre contains two crypto_policy_t structures
+that describe the cryptograhic policies for RTP and RTCP, as well as
+the SRTP master key and the SSRC value. The SSRC describes what to
+protect (e.g. which stream), and the crypto_policy_t structures
+describe how to protect it. The key is contained in a policy element
+because it simplifies the interface to the library. In many cases, it
+is desirable to use the same cryptographic policies across all of the
+streams in a session, but to use a distinct key for each stream. A
+crypto_policy_t structure can be initialized by using either the
+crypto_policy_set_rtp_default() or crypto_policy_set_rtcp_default()
+functions, which set a crypto policy structure to the default policies
+for RTP and RTCP protection, respectively.
+
+@section Example Example Code
+
+This section provides a simple example of how to use libSRTP. The
+example code lacks error checking, but is functional. Here we assume
+that the value ssrc is already set to describe the SSRC of the stream
+that we are sending, and that the functions get_rtp_packet() and
+send_srtp_packet() are available to us. The former puts an RTP packet
+into the buffer and returns the number of octets written to that
+buffer. The latter sends the RTP packet in the buffer, given the
+length as its second argument.
+
+@verbatim
+ srtp_t session;
+ srtp_policy_t policy;
+ uint8_t key[30];
+
+ // initialize libSRTP
+ srtp_init();
+
+ // set policy to describe a policy for an SRTP stream
+ crypto_policy_set_rtp_default(&policy.rtp);
+ crypto_policy_set_rtcp_default(&policy.rtcp);
+ policy.ssrc = ssrc;
+ policy.key = key;
+ policy.next = NULL;
+
+ // set key to random value
+ crypto_get_random(key, 30);
+
+ // allocate and initialize the SRTP session
+ srtp_create(&session, policy);
+
+ // main loop: get rtp packets, send srtp packets
+ while (1) {
+ char rtp_buffer[2048];
+ unsigned len;
+
+ len = get_rtp_packet(rtp_buffer);
+ srtp_protect(session, rtp_buffer, &len);
+ send_srtp_packet(rtp_buffer, len);
+ }
+@endverbatim
+
+@section ISMAcryp ISMA Encryption Support
+
+The Internet Streaming Media Alliance (ISMA) specifies a way
+to pre-encrypt a media file prior to streaming. This method
+is an alternative to SRTP encryption, which is potentially
+useful when a particular media file will be streamed
+multiple times. The specification is available online
+at http://www.isma.tv/specreq.nsf/SpecRequest.
+
+libSRTP provides the encryption and decryption functions needed for ISMAcryp
+in the library @t libaesicm.a, which is included in the default
+Makefile target. This library is used by the MPEG4IP project; see
+http://mpeg4ip.sourceforge.net/.
+
+Note that ISMAcryp does not provide authentication for
+RTP nor RTCP, nor confidentiality for RTCP.
+ISMAcryp RECOMMENDS the use of SRTP message authentication for ISMAcryp
+streams while using ISMAcryp encryption to protect the media itself.
+
+
+ */
diff --git a/doc/libsrtp.pdf b/doc/libsrtp.pdf
new file mode 100644
index 0000000..99ddff1
--- /dev/null
+++ b/doc/libsrtp.pdf
Binary files differ
diff --git a/doc/references.txt b/doc/references.txt
new file mode 100644
index 0000000..2ec9d43
--- /dev/null
+++ b/doc/references.txt
@@ -0,0 +1,21 @@
+SRTP and ICM References
+September, 2005
+
+This document provides references for the various cryptographic
+functions used in libSRTP and libaesicm.
+
+Secure RTP is defined in RFC 3711, which is included in this
+distribution for convenience. The counter mode definition is in
+Section 4.1.1 of the SRTP draft.
+
+SHA-1 is defined in FIPS-180-1, available online at the NIST website.
+
+HMAC is defined in RFC2104, and HMAC-SHA1 test vectors are available
+in RFC2202, which are available online at http://www.ietf.org/rfc/
+
+ICM is defined by draft-irtf-cfrg-icm-00.txt, and its application in
+ISMAcryp (the Internet Streaming Media Alliance 1.0 Encryption and
+Authentication) is defined in that specification. It is available
+from http://www.isma.tv/.
+
+
diff --git a/doc/rfc3711.txt b/doc/rfc3711.txt
new file mode 100644
index 0000000..ecc0648
--- /dev/null
+++ b/doc/rfc3711.txt
@@ -0,0 +1,3139 @@
+
+
+
+
+
+
+Network Working Group M. Baugher
+Request for Comments: 3711 D. McGrew
+Category: Standards Track Cisco Systems, Inc.
+ M. Naslund
+ E. Carrara
+ K. Norrman
+ Ericsson Research
+ March 2004
+
+
+ The Secure Real-time Transport Protocol (SRTP)
+
+Status of this Memo
+
+ This document specifies an Internet standards track protocol for the
+ Internet community, and requests discussion and suggestions for
+ improvements. Please refer to the current edition of the "Internet
+ Official Protocol Standards" (STD 1) for the standardization state
+ and status of this protocol. Distribution of this memo is unlimited.
+
+Copyright Notice
+
+ Copyright (C) The Internet Society (2004). All Rights Reserved.
+
+Abstract
+
+ This document describes the Secure Real-time Transport Protocol
+ (SRTP), a profile of the Real-time Transport Protocol (RTP), which
+ can provide confidentiality, message authentication, and replay
+ protection to the RTP traffic and to the control traffic for RTP, the
+ Real-time Transport Control Protocol (RTCP).
+
+Table of Contents
+
+ 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
+ 1.1. Notational Conventions . . . . . . . . . . . . . . . . . 3
+ 2. Goals and Features . . . . . . . . . . . . . . . . . . . . . . 4
+ 2.1. Features . . . . . . . . . . . . . . . . . . . . . . . . 5
+ 3. SRTP Framework . . . . . . . . . . . . . . . . . . . . . . . . 5
+ 3.1. Secure RTP . . . . . . . . . . . . . . . . . . . . . . . 6
+ 3.2. SRTP Cryptographic Contexts. . . . . . . . . . . . . . . 7
+ 3.2.1. Transform-independent parameters . . . . . . . . 8
+ 3.2.2. Transform-dependent parameters . . . . . . . . . 10
+ 3.2.3. Mapping SRTP Packets to Cryptographic Contexts . 10
+ 3.3. SRTP Packet Processing . . . . . . . . . . . . . . . . . 11
+ 3.3.1. Packet Index Determination, and ROC, s_l Update. 13
+ 3.3.2. Replay Protection. . . . . . . . . . . . . . . . 15
+ 3.4. Secure RTCP . . . . . . . . . . . . . . . . . . . . . . . 15
+
+
+
+Baugher, et al. Standards Track [Page 1]
+
+RFC 3711 SRTP March 2004
+
+
+ 4. Pre-Defined Cryptographic Transforms . . . . . . . . . . . . . 19
+ 4.1. Encryption . . . . . . . . . . . . . . . . . . . . . . . 19
+ 4.1.1. AES in Counter Mode. . . . . . . . . . . . . . . 21
+ 4.1.2. AES in f8-mode . . . . . . . . . . . . . . . . . 22
+ 4.1.3. NULL Cipher. . . . . . . . . . . . . . . . . . . 25
+ 4.2. Message Authentication and Integrity . . . . . . . . . . 25
+ 4.2.1. HMAC-SHA1. . . . . . . . . . . . . . . . . . . . 25
+ 4.3. Key Derivation . . . . . . . . . . . . . . . . . . . . . 26
+ 4.3.1. Key Derivation Algorithm . . . . . . . . . . . . 26
+ 4.3.2. SRTCP Key Derivation . . . . . . . . . . . . . . 28
+ 4.3.3. AES-CM PRF . . . . . . . . . . . . . . . . . . . 28
+ 5. Default and mandatory-to-implement Transforms. . . . . . . . . 28
+ 5.1. Encryption: AES-CM and NULL. . . . . . . . . . . . . . . 29
+ 5.2. Message Authentication/Integrity: HMAC-SHA1. . . . . . . 29
+ 5.3. Key Derivation: AES-CM PRF . . . . . . . . . . . . . . . 29
+ 6. Adding SRTP Transforms . . . . . . . . . . . . . . . . . . . . 29
+ 7. Rationale. . . . . . . . . . . . . . . . . . . . . . . . . . . 30
+ 7.1. Key derivation . . . . . . . . . . . . . . . . . . . . . 30
+ 7.2. Salting key. . . . . . . . . . . . . . . . . . . . . . . 30
+ 7.3. Message Integrity from Universal Hashing . . . . . . . . 31
+ 7.4. Data Origin Authentication Considerations. . . . . . . . 31
+ 7.5. Short and Zero-length Message Authentication . . . . . . 32
+ 8. Key Management Considerations. . . . . . . . . . . . . . . . . 33
+ 8.1. Re-keying . . . . . . . . . . . . . . . . . . . . . . . 34
+ 8.1.1. Use of the <From, To> for re-keying. . . . . . . 34
+ 8.2. Key Management parameters. . . . . . . . . . . . . . . . 35
+ 9. Security Considerations. . . . . . . . . . . . . . . . . . . . 37
+ 9.1. SSRC collision and two-time pad. . . . . . . . . . . . . 37
+ 9.2. Key Usage. . . . . . . . . . . . . . . . . . . . . . . . 38
+ 9.3. Confidentiality of the RTP Payload . . . . . . . . . . . 39
+ 9.4. Confidentiality of the RTP Header. . . . . . . . . . . . 40
+ 9.5. Integrity of the RTP payload and header. . . . . . . . . 40
+ 9.5.1. Risks of Weak or Null Message Authentication. . . 42
+ 9.5.2. Implicit Header Authentication . . . . . . . . . 43
+ 10. Interaction with Forward Error Correction mechanisms. . . . . 43
+ 11. Scenarios . . . . . . . . . . . . . . . . . . . . . . . . . . 43
+ 11.1. Unicast. . . . . . . . . . . . . . . . . . . . . . . . . 43
+ 11.2. Multicast (one sender) . . . . . . . . . . . . . . . . . 44
+ 11.3. Re-keying and access control . . . . . . . . . . . . . . 45
+ 11.4. Summary of basic scenarios . . . . . . . . . . . . . . . 46
+ 12. IANA Considerations. . . . . . . . . . . . . . . . . . . . . . 46
+ 13. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . 47
+ 14. References . . . . . . . . . . . . . . . . . . . . . . . . . . 47
+ 14.1. Normative References . . . . . . . . . . . . . . . . . . 47
+ 14.2. Informative References . . . . . . . . . . . . . . . . . 48
+ Appendix A: Pseudocode for Index Determination . . . . . . . . . . 51
+ Appendix B: Test Vectors . . . . . . . . . . . . . . . . . . . . . 51
+ B.1. AES-f8 Test Vectors. . . . . . . . . . . . . . . . . . . 51
+
+
+
+Baugher, et al. Standards Track [Page 2]
+
+RFC 3711 SRTP March 2004
+
+
+ B.2. AES-CM Test Vectors. . . . . . . . . . . . . . . . . . . 52
+ B.3. Key Derivation Test Vectors. . . . . . . . . . . . . . . 53
+ Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 55
+ Full Copyright Statement . . . . . . . . . . . . . . . . . . . . . 56
+
+1. Introduction
+
+ This document describes the Secure Real-time Transport Protocol
+ (SRTP), a profile of the Real-time Transport Protocol (RTP), which
+ can provide confidentiality, message authentication, and replay
+ protection to the RTP traffic and to the control traffic for RTP,
+ RTCP (the Real-time Transport Control Protocol) [RFC3350].
+
+ SRTP provides a framework for encryption and message authentication
+ of RTP and RTCP streams (Section 3). SRTP defines a set of default
+ cryptographic transforms (Sections 4 and 5), and it allows new
+ transforms to be introduced in the future (Section 6). With
+ appropriate key management (Sections 7 and 8), SRTP is secure
+ (Sections 9) for unicast and multicast RTP applications (Section 11).
+
+ SRTP can achieve high throughput and low packet expansion. SRTP
+ proves to be a suitable protection for heterogeneous environments
+ (mix of wired and wireless networks). To get such features, default
+ transforms are described, based on an additive stream cipher for
+ encryption, a keyed-hash based function for message authentication,
+ and an "implicit" index for sequencing/synchronization based on the
+ RTP sequence number for SRTP and an index number for Secure RTCP
+ (SRTCP).
+
+1.1. Notational Conventions
+
+ The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
+ "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
+ document are to be interpreted as described in [RFC2119]. The
+ terminology conforms to [RFC2828] with the following exception. For
+ simplicity we use the term "random" throughout the document to denote
+ randomly or pseudo-randomly generated values. Large amounts of
+ random bits may be difficult to obtain, and for the security of SRTP,
+ pseudo-randomness is sufficient [RFC1750].
+
+ By convention, the adopted representation is the network byte order,
+ i.e., the left most bit (octet) is the most significant one. By XOR
+ we mean bitwise addition modulo 2 of binary strings, and || denotes
+ concatenation. In other words, if C = A || B, then the most
+ significant bits of C are the bits of A, and the least significant
+ bits of C equal the bits of B. Hexadecimal numbers are prefixed by
+ 0x.
+
+
+
+
+Baugher, et al. Standards Track [Page 3]
+
+RFC 3711 SRTP March 2004
+
+
+ The word "encryption" includes also use of the NULL algorithm (which
+ in practice does leave the data in the clear).
+
+ With slight abuse of notation, we use the terms "message
+ authentication" and "authentication tag" as is common practice, even
+ though in some circumstances, e.g., group communication, the service
+ provided is actually only integrity protection and not data origin
+ authentication.
+
+2. Goals and Features
+
+ The security goals for SRTP are to ensure:
+
+ * the confidentiality of the RTP and RTCP payloads, and
+
+ * the integrity of the entire RTP and RTCP packets, together with
+ protection against replayed packets.
+
+ These security services are optional and independent from each other,
+ except that SRTCP integrity protection is mandatory (malicious or
+ erroneous alteration of RTCP messages could otherwise disrupt the
+ processing of the RTP stream).
+
+ Other, functional, goals for the protocol are:
+
+ * a framework that permits upgrading with new cryptographic
+ transforms,
+
+ * low bandwidth cost, i.e., a framework preserving RTP header
+ compression efficiency,
+
+ and, asserted by the pre-defined transforms:
+
+ * a low computational cost,
+
+ * a small footprint (i.e., small code size and data memory for
+ keying information and replay lists),
+
+ * limited packet expansion to support the bandwidth economy goal,
+
+ * independence from the underlying transport, network, and physical
+ layers used by RTP, in particular high tolerance to packet loss
+ and re-ordering.
+
+ These properties ensure that SRTP is a suitable protection scheme for
+ RTP/RTCP in both wired and wireless scenarios.
+
+
+
+
+
+Baugher, et al. Standards Track [Page 4]
+
+RFC 3711 SRTP March 2004
+
+
+2.1. Features
+
+ Besides the above mentioned direct goals, SRTP provides for some
+ additional features. They have been introduced to lighten the burden
+ on key management and to further increase security. They include:
+
+ * A single "master key" can provide keying material for
+ confidentiality and integrity protection, both for the SRTP stream
+ and the corresponding SRTCP stream. This is achieved with a key
+ derivation function (see Section 4.3), providing "session keys"
+ for the respective security primitive, securely derived from the
+ master key.
+
+ * In addition, the key derivation can be configured to periodically
+ refresh the session keys, which limits the amount of ciphertext
+ produced by a fixed key, available for an adversary to
+ cryptanalyze.
+
+ * "Salting keys" are used to protect against pre-computation and
+ time-memory tradeoff attacks [MF00] [BS00].
+
+ Detailed rationale for these features can be found in Section 7.
+
+3. SRTP Framework
+
+ RTP is the Real-time Transport Protocol [RFC3550]. We define SRTP as
+ a profile of RTP. This profile is an extension to the RTP
+ Audio/Video Profile [RFC3551]. Except where explicitly noted, all
+ aspects of that profile apply, with the addition of the SRTP security
+ features. Conceptually, we consider SRTP to be a "bump in the stack"
+ implementation which resides between the RTP application and the
+ transport layer. SRTP intercepts RTP packets and then forwards an
+ equivalent SRTP packet on the sending side, and intercepts SRTP
+ packets and passes an equivalent RTP packet up the stack on the
+ receiving side.
+
+ Secure RTCP (SRTCP) provides the same security services to RTCP as
+ SRTP does to RTP. SRTCP message authentication is MANDATORY and
+ thereby protects the RTCP fields to keep track of membership, provide
+ feedback to RTP senders, or maintain packet sequence counters. SRTCP
+ is described in Section 3.4.
+
+
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 5]
+
+RFC 3711 SRTP March 2004
+
+
+3.1. Secure RTP
+
+ The format of an SRTP packet is illustrated in Figure 1.
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<+
+ |V=2|P|X| CC |M| PT | sequence number | |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | timestamp | |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | synchronization source (SSRC) identifier | |
+ +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ |
+ | contributing source (CSRC) identifiers | |
+ | .... | |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | RTP extension (OPTIONAL) | |
+ +>+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | | payload ... | |
+ | | +-------------------------------+ |
+ | | | RTP padding | RTP pad count | |
+ +>+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<+
+ | ~ SRTP MKI (OPTIONAL) ~ |
+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | : authentication tag (RECOMMENDED) : |
+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | |
+ +- Encrypted Portion* Authenticated Portion ---+
+
+ Figure 1. The format of an SRTP packet. *Encrypted Portion is the
+ same size as the plaintext for the Section 4 pre-defined transforms.
+
+ The "Encrypted Portion" of an SRTP packet consists of the encryption
+ of the RTP payload (including RTP padding when present) of the
+ equivalent RTP packet. The Encrypted Portion MAY be the exact size
+ of the plaintext or MAY be larger. Figure 1 shows the RTP payload
+ including any possible padding for RTP [RFC3550].
+
+ None of the pre-defined encryption transforms uses any padding; for
+ these, the RTP and SRTP payload sizes match exactly. New transforms
+ added to SRTP (following Section 6) may require padding, and may
+ hence produce larger payloads. RTP provides its own padding format
+ (as seen in Fig. 1), which due to the padding indicator in the RTP
+ header has merits in terms of compactness relative to paddings using
+ prefix-free codes. This RTP padding SHALL be the default method for
+ transforms requiring padding. Transforms MAY specify other padding
+ methods, and MUST then specify the amount, format, and processing of
+ their padding. It is important to note that encryption transforms
+
+
+
+Baugher, et al. Standards Track [Page 6]
+
+RFC 3711 SRTP March 2004
+
+
+ that use padding are vulnerable to subtle attacks, especially when
+ message authentication is not used [V02]. Each specification for a
+ new encryption transform needs to carefully consider and describe the
+ security implications of the padding that it uses. Message
+ authentication codes define their own padding, so this default does
+ not apply to authentication transforms.
+
+ The OPTIONAL MKI and the RECOMMENDED authentication tag are the only
+ fields defined by SRTP that are not in RTP. Only 8-bit alignment is
+ assumed.
+
+ MKI (Master Key Identifier): configurable length, OPTIONAL. The
+ MKI is defined, signaled, and used by key management. The
+ MKI identifies the master key from which the session
+ key(s) were derived that authenticate and/or encrypt the
+ particular packet. Note that the MKI SHALL NOT identify
+ the SRTP cryptographic context, which is identified
+ according to Section 3.2.3. The MKI MAY be used by key
+ management for the purposes of re-keying, identifying a
+ particular master key within the cryptographic context
+ (Section 3.2.1).
+
+ Authentication tag: configurable length, RECOMMENDED. The
+ authentication tag is used to carry message authentication
+ data. The Authenticated Portion of an SRTP packet
+ consists of the RTP header followed by the Encrypted
+ Portion of the SRTP packet. Thus, if both encryption and
+ authentication are applied, encryption SHALL be applied
+ before authentication on the sender side and conversely on
+ the receiver side. The authentication tag provides
+ authentication of the RTP header and payload, and it
+ indirectly provides replay protection by authenticating
+ the sequence number. Note that the MKI is not integrity
+ protected as this does not provide any extra protection.
+
+3.2. SRTP Cryptographic Contexts
+
+ Each SRTP stream requires the sender and receiver to maintain
+ cryptographic state information. This information is called the
+ "cryptographic context".
+
+ SRTP uses two types of keys: session keys and master keys. By a
+ "session key", we mean a key which is used directly in a
+ cryptographic transform (e.g., encryption or message authentication),
+ and by a "master key", we mean a random bit string (given by the key
+ management protocol) from which session keys are derived in a
+
+
+
+
+
+Baugher, et al. Standards Track [Page 7]
+
+RFC 3711 SRTP March 2004
+
+
+ cryptographically secure way. The master key(s) and other parameters
+ in the cryptographic context are provided by key management
+ mechanisms external to SRTP, see Section 8.
+
+3.2.1. Transform-independent parameters
+
+ Transform-independent parameters are present in the cryptographic
+ context independently of the particular encryption or authentication
+ transforms that are used. The transform-independent parameters of
+ the cryptographic context for SRTP consist of:
+
+ * a 32-bit unsigned rollover counter (ROC), which records how many
+ times the 16-bit RTP sequence number has been reset to zero after
+ passing through 65,535. Unlike the sequence number (SEQ), which
+ SRTP extracts from the RTP packet header, the ROC is maintained by
+ SRTP as described in Section 3.3.1.
+
+ We define the index of the SRTP packet corresponding to a given
+ ROC and RTP sequence number to be the 48-bit quantity
+
+ i = 2^16 * ROC + SEQ.
+
+ * for the receiver only, a 16-bit sequence number s_l, which can be
+ thought of as the highest received RTP sequence number (see
+ Section 3.3.1 for its handling), which SHOULD be authenticated
+ since message authentication is RECOMMENDED,
+
+ * an identifier for the encryption algorithm, i.e., the cipher and
+ its mode of operation,
+
+ * an identifier for the message authentication algorithm,
+
+ * a replay list, maintained by the receiver only (when
+ authentication and replay protection are provided), containing
+ indices of recently received and authenticated SRTP packets,
+
+ * an MKI indicator (0/1) as to whether an MKI is present in SRTP and
+ SRTCP packets,
+
+ * if the MKI indicator is set to one, the length (in octets) of the
+ MKI field, and (for the sender) the actual value of the currently
+ active MKI (the value of the MKI indicator and length MUST be kept
+ fixed for the lifetime of the context),
+
+ * the master key(s), which MUST be random and kept secret,
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 8]
+
+RFC 3711 SRTP March 2004
+
+
+ * for each master key, there is a counter of the number of SRTP
+ packets that have been processed (sent) with that master key
+ (essential for security, see Sections 3.3.1 and 9),
+
+ * non-negative integers n_e, and n_a, determining the length of the
+ session keys for encryption, and message authentication.
+
+ In addition, for each master key, an SRTP stream MAY use the
+ following associated values:
+
+ * a master salt, to be used in the key derivation of session keys.
+ This value, when used, MUST be random, but MAY be public. Use of
+ master salt is strongly RECOMMENDED, see Section 9.2. A "NULL"
+ salt is treated as 00...0.
+
+ * an integer in the set {1,2,4,...,2^24}, the "key_derivation_rate",
+ where an unspecified value is treated as zero. The constraint to
+ be a power of 2 simplifies the session-key derivation
+ implementation, see Section 4.3.
+
+ * an MKI value,
+
+ * <From, To> values, specifying the lifetime for a master key,
+ expressed in terms of the two 48-bit index values inside whose
+ range (including the range end-points) the master key is valid.
+ For the use of <From, To>, see Section 8.1.1. <From, To> is an
+ alternative to the MKI and assumes that a master key is in one-
+ to-one correspondence with the SRTP session key on which the
+ <From, To> range is defined.
+
+ SRTCP SHALL by default share the crypto context with SRTP, except:
+
+ * no rollover counter and s_l-value need to be maintained as the
+ RTCP index is explicitly carried in each SRTCP packet,
+
+ * a separate replay list is maintained (when replay protection is
+ provided),
+
+ * SRTCP maintains a separate counter for its master key (even if the
+ master key is the same as that for SRTP, see below), as a means to
+ maintain a count of the number of SRTCP packets that have been
+ processed with that key.
+
+ Note in particular that the master key(s) MAY be shared between SRTP
+ and the corresponding SRTCP, if the pre-defined transforms (including
+ the key derivation) are used but the session key(s) MUST NOT be so
+ shared.
+
+
+
+
+Baugher, et al. Standards Track [Page 9]
+
+RFC 3711 SRTP March 2004
+
+
+ In addition, there can be cases (see Sections 8 and 9.1) where
+ several SRTP streams within a given RTP session, identified by their
+ synchronization source (SSRCs, which is part of the RTP header),
+ share most of the crypto context parameters (including possibly
+ master and session keys). In such cases, just as in the normal
+ SRTP/SRTCP parameter sharing above, separate replay lists and packet
+ counters for each stream (SSRC) MUST still be maintained. Also,
+ separate SRTP indices MUST then be maintained.
+
+ A summary of parameters, pre-defined transforms, and default values
+ for the above parameters (and other SRTP parameters) can be found in
+ Sections 5 and 8.2.
+
+3.2.2. Transform-dependent parameters
+
+ All encryption, authentication/integrity, and key derivation
+ parameters are defined in the transforms section (Section 4).
+ Typical examples of such parameters are block size of ciphers,
+ session keys, data for the Initialization Vector (IV) formation, etc.
+ Future SRTP transform specifications MUST include a section to list
+ the additional cryptographic context's parameters for that transform,
+ if any.
+
+3.2.3. Mapping SRTP Packets to Cryptographic Contexts
+
+ Recall that an RTP session for each participant is defined [RFC3550]
+ by a pair of destination transport addresses (one network address
+ plus a port pair for RTP and RTCP), and that a multimedia session is
+ defined as a collection of RTP sessions. For example, a particular
+ multimedia session could include an audio RTP session, a video RTP
+ session, and a text RTP session.
+
+ A cryptographic context SHALL be uniquely identified by the triplet
+ context identifier:
+
+ context id = <SSRC, destination network address, destination
+ transport port number>
+
+ where the destination network address and the destination transport
+ port are the ones in the SRTP packet. It is assumed that, when
+ presented with this information, the key management returns a context
+ with the information as described in Section 3.2.
+
+ As noted above, SRTP and SRTCP by default share the bulk of the
+ parameters in the cryptographic context. Thus, retrieving the crypto
+ context parameters for an SRTCP stream in practice may imply a
+ binding to the correspondent SRTP crypto context. It is up to the
+ implementation to assure such binding, since the RTCP port may not be
+
+
+
+Baugher, et al. Standards Track [Page 10]
+
+RFC 3711 SRTP March 2004
+
+
+ directly deducible from the RTP port only. Alternatively, the key
+ management may choose to provide separate SRTP- and SRTCP- contexts,
+ duplicating the common parameters (such as master key(s)). The
+ latter approach then also enables SRTP and SRTCP to use, e.g.,
+ distinct transforms, if so desired. Similar considerations arise
+ when multiple SRTP streams, forming part of one single RTP session,
+ share keys and other parameters.
+
+ If no valid context can be found for a packet corresponding to a
+ certain context identifier, that packet MUST be discarded.
+
+3.3. SRTP Packet Processing
+
+ The following applies to SRTP. SRTCP is described in Section 3.4.
+
+ Assuming initialization of the cryptographic context(s) has taken
+ place via key management, the sender SHALL do the following to
+ construct an SRTP packet:
+
+ 1. Determine which cryptographic context to use as described in
+ Section 3.2.3.
+
+ 2. Determine the index of the SRTP packet using the rollover counter,
+ the highest sequence number in the cryptographic context, and the
+ sequence number in the RTP packet, as described in Section 3.3.1.
+
+ 3. Determine the master key and master salt. This is done using the
+ index determined in the previous step or the current MKI in the
+ cryptographic context, according to Section 8.1.
+
+ 4. Determine the session keys and session salt (if they are used by
+ the transform) as described in Section 4.3, using master key,
+ master salt, key_derivation_rate, and session key-lengths in the
+ cryptographic context with the index, determined in Steps 2 and 3.
+
+ 5. Encrypt the RTP payload to produce the Encrypted Portion of the
+ packet (see Section 4.1, for the defined ciphers). This step uses
+ the encryption algorithm indicated in the cryptographic context,
+ the session encryption key and the session salt (if used) found in
+ Step 4 together with the index found in Step 2.
+
+ 6. If the MKI indicator is set to one, append the MKI to the packet.
+
+ 7. For message authentication, compute the authentication tag for the
+ Authenticated Portion of the packet, as described in Section 4.2.
+ This step uses the current rollover counter, the authentication
+
+
+
+
+
+Baugher, et al. Standards Track [Page 11]
+
+RFC 3711 SRTP March 2004
+
+
+ algorithm indicated in the cryptographic context, and the session
+ authentication key found in Step 4. Append the authentication tag
+ to the packet.
+
+ 8. If necessary, update the ROC as in Section 3.3.1, using the packet
+ index determined in Step 2.
+
+ To authenticate and decrypt an SRTP packet, the receiver SHALL do the
+ following:
+
+ 1. Determine which cryptographic context to use as described in
+ Section 3.2.3.
+
+ 2. Run the algorithm in Section 3.3.1 to get the index of the SRTP
+ packet. The algorithm uses the rollover counter and highest
+ sequence number in the cryptographic context with the sequence
+ number in the SRTP packet, as described in Section 3.3.1.
+
+ 3. Determine the master key and master salt. If the MKI indicator in
+ the context is set to one, use the MKI in the SRTP packet,
+ otherwise use the index from the previous step, according to
+ Section 8.1.
+
+ 4. Determine the session keys, and session salt (if used by the
+ transform) as described in Section 4.3, using master key, master
+ salt, key_derivation_rate and session key-lengths in the
+ cryptographic context with the index, determined in Steps 2 and 3.
+
+ 5. For message authentication and replay protection, first check if
+ the packet has been replayed (Section 3.3.2), using the Replay
+ List and the index as determined in Step 2. If the packet is
+ judged to be replayed, then the packet MUST be discarded, and the
+ event SHOULD be logged.
+
+ Next, perform verification of the authentication tag, using the
+ rollover counter from Step 2, the authentication algorithm
+ indicated in the cryptographic context, and the session
+ authentication key from Step 4. If the result is "AUTHENTICATION
+ FAILURE" (see Section 4.2), the packet MUST be discarded from
+ further processing and the event SHOULD be logged.
+
+ 6. Decrypt the Encrypted Portion of the packet (see Section 4.1, for
+ the defined ciphers), using the decryption algorithm indicated in
+ the cryptographic context, the session encryption key and salt (if
+ used) found in Step 4 with the index from Step 2.
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 12]
+
+RFC 3711 SRTP March 2004
+
+
+ 7. Update the rollover counter and highest sequence number, s_l, in
+ the cryptographic context as in Section 3.3.1, using the packet
+ index estimated in Step 2. If replay protection is provided, also
+ update the Replay List as described in Section 3.3.2.
+
+ 8. When present, remove the MKI and authentication tag fields from
+ the packet.
+
+3.3.1. Packet Index Determination, and ROC, s_l Update
+
+ SRTP implementations use an "implicit" packet index for sequencing,
+ i.e., not all of the index is explicitly carried in the SRTP packet.
+ For the pre-defined transforms, the index i is used in replay
+ protection (Section 3.3.2), encryption (Section 4.1), message
+ authentication (Section 4.2), and for the key derivation (Section
+ 4.3).
+
+ When the session starts, the sender side MUST set the rollover
+ counter, ROC, to zero. Each time the RTP sequence number, SEQ, wraps
+ modulo 2^16, the sender side MUST increment ROC by one, modulo 2^32
+ (see security aspects below). The sender's packet index is then
+ defined as
+
+ i = 2^16 * ROC + SEQ.
+
+ Receiver-side implementations use the RTP sequence number to
+ determine the correct index of a packet, which is the location of the
+ packet in the sequence of all SRTP packets. A robust approach for
+ the proper use of a rollover counter requires its handling and use to
+ be well defined. In particular, out-of-order RTP packets with
+ sequence numbers close to 2^16 or zero must be properly handled.
+
+ The index estimate is based on the receiver's locally maintained ROC
+ and s_l values. At the setup of the session, the ROC MUST be set to
+ zero. Receivers joining an on-going session MUST be given the
+ current ROC value using out-of-band signaling such as key-management
+ signaling. Furthermore, the receiver SHALL initialize s_l to the RTP
+ sequence number (SEQ) of the first observed SRTP packet (unless the
+ initial value is provided by out of band signaling such as key
+ management).
+
+ On consecutive SRTP packets, the receiver SHOULD estimate the index
+ as
+ i = 2^16 * v + SEQ,
+
+ where v is chosen from the set { ROC-1, ROC, ROC+1 } (modulo 2^32)
+ such that i is closest (in modulo 2^48 sense) to the value 2^16 * ROC
+ + s_l (see Appendix A for pseudocode).
+
+
+
+Baugher, et al. Standards Track [Page 13]
+
+RFC 3711 SRTP March 2004
+
+
+ After the packet has been processed and authenticated (when enabled
+ for SRTP packets for the session), the receiver MUST use v to
+ conditionally update its s_l and ROC variables as follows. If
+ v=(ROC-1) mod 2^32, then there is no update to s_l or ROC. If v=ROC,
+ then s_l is set to SEQ if and only if SEQ is larger than the current
+ s_l; there is no change to ROC. If v=(ROC+1) mod 2^32, then s_l is
+ set to SEQ and ROC is set to v.
+
+ After a re-keying occurs (changing to a new master key), the rollover
+ counter always maintains its sequence of values, i.e., it MUST NOT be
+ reset to zero.
+
+ As the rollover counter is 32 bits long and the sequence number is 16
+ bits long, the maximum number of packets belonging to a given SRTP
+ stream that can be secured with the same key is 2^48 using the pre-
+ defined transforms. After that number of SRTP packets have been sent
+ with a given (master or session) key, the sender MUST NOT send any
+ more packets with that key. (There exists a similar limit for SRTCP,
+ which in practice may be more restrictive, see Section 9.2.) This
+ limitation enforces a security benefit by providing an upper bound on
+ the amount of traffic that can pass before cryptographic keys are
+ changed. Re-keying (see Section 8.1) MUST be triggered, before this
+ amount of traffic, and MAY be triggered earlier, e.g., for increased
+ security and access control to media. Recurring key derivation by
+ means of a non-zero key_derivation_rate (see Section 4.3), also gives
+ stronger security but does not change the above absolute maximum
+ value.
+
+ On the receiver side, there is a caveat to updating s_l and ROC: if
+ message authentication is not present, neither the initialization of
+ s_l, nor the ROC update can be made completely robust. The
+ receiver's "implicit index" approach works for the pre-defined
+ transforms as long as the reorder and loss of the packets are not too
+ great and bit-errors do not occur in unfortunate ways. In
+ particular, 2^15 packets would need to be lost, or a packet would
+ need to be 2^15 packets out of sequence before synchronization is
+ lost. Such drastic loss or reorder is likely to disrupt the RTP
+ application itself.
+
+ The algorithm for the index estimate and ROC update is a matter of
+ implementation, and should take into consideration the environment
+ (e.g., packet loss rate) and the cases when synchronization is likely
+ to be lost, e.g., when the initial sequence number (randomly chosen
+ by RTP) is not known in advance (not sent in the key management
+ protocol) but may be near to wrap modulo 2^16.
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 14]
+
+RFC 3711 SRTP March 2004
+
+
+ A more elaborate and more robust scheme than the one given above is
+ the handling of RTP's own "rollover counter", see Appendix A.1 of
+ [RFC3550].
+
+3.3.2. Replay Protection
+
+ Secure replay protection is only possible when integrity protection
+ is present. It is RECOMMENDED to use replay protection, both for RTP
+ and RTCP, as integrity protection alone cannot assure security
+ against replay attacks.
+
+ A packet is "replayed" when it is stored by an adversary, and then
+ re-injected into the network. When message authentication is
+ provided, SRTP protects against such attacks through a Replay List.
+ Each SRTP receiver maintains a Replay List, which conceptually
+ contains the indices of all of the packets which have been received
+ and authenticated. In practice, the list can use a "sliding window"
+ approach, so that a fixed amount of storage suffices for replay
+ protection. Packet indices which lag behind the packet index in the
+ context by more than SRTP-WINDOW-SIZE can be assumed to have been
+ received, where SRTP-WINDOW-SIZE is a receiver-side, implementation-
+ dependent parameter and MUST be at least 64, but which MAY be set to
+ a higher value.
+
+ The receiver checks the index of an incoming packet against the
+ replay list and the window. Only packets with index ahead of the
+ window, or, inside the window but not already received, SHALL be
+ accepted.
+
+ After the packet has been authenticated (if necessary the window is
+ first moved ahead), the replay list SHALL be updated with the new
+ index.
+
+ The Replay List can be efficiently implemented by using a bitmap to
+ represent which packets have been received, as described in the
+ Security Architecture for IP [RFC2401].
+
+3.4. Secure RTCP
+
+ Secure RTCP follows the definition of Secure RTP. SRTCP adds three
+ mandatory new fields (the SRTCP index, an "encrypt-flag", and the
+ authentication tag) and one optional field (the MKI) to the RTCP
+ packet definition. The three mandatory fields MUST be appended to an
+ RTCP packet in order to form an equivalent SRTCP packet. The added
+ fields follow any other profile-specific extensions.
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 15]
+
+RFC 3711 SRTP March 2004
+
+
+ According to Section 6.1 of [RFC3550], there is a REQUIRED packet
+ format for compound packets. SRTCP MUST be given packets according
+ to that requirement in the sense that the first part MUST be a sender
+ report or a receiver report. However, the RTCP encryption prefix (a
+ random 32-bit quantity) specified in that Section MUST NOT be used
+ since, as is stated there, it is only applicable to the encryption
+ method specified in [RFC3550] and is not needed by the cryptographic
+ mechanisms used in SRTP.
+
+ 0 1 2 3
+ 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<+
+ |V=2|P| RC | PT=SR or RR | length | |
+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | SSRC of sender | |
+ +>+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ |
+ | ~ sender info ~ |
+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | ~ report block 1 ~ |
+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | ~ report block 2 ~ |
+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | ~ ... ~ |
+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | |V=2|P| SC | PT=SDES=202 | length | |
+ | +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ |
+ | | SSRC/CSRC_1 | |
+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | ~ SDES items ~ |
+ | +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ |
+ | ~ ... ~ |
+ +>+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ |
+ | |E| SRTCP index | |
+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<+
+ | ~ SRTCP MKI (OPTIONAL) ~ |
+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | : authentication tag : |
+ | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |
+ | |
+ +-- Encrypted Portion Authenticated Portion -----+
+
+
+ Figure 2. An example of the format of a Secure RTCP packet,
+ consisting of an underlying RTCP compound packet with a Sender Report
+ and SDES packet.
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 16]
+
+RFC 3711 SRTP March 2004
+
+
+ The Encrypted Portion of an SRTCP packet consists of the encryption
+ (Section 4.1) of the RTCP payload of the equivalent compound RTCP
+ packet, from the first RTCP packet, i.e., from the ninth (9) octet to
+ the end of the compound packet. The Authenticated Portion of an
+ SRTCP packet consists of the entire equivalent (eventually compound)
+ RTCP packet, the E flag, and the SRTCP index (after any encryption
+ has been applied to the payload).
+
+ The added fields are:
+
+ E-flag: 1 bit, REQUIRED
+ The E-flag indicates if the current SRTCP packet is
+ encrypted or unencrypted. Section 9.1 of [RFC3550] allows
+ the split of a compound RTCP packet into two lower-layer
+ packets, one to be encrypted and one to be sent in the
+ clear. The E bit set to "1" indicates encrypted packet, and
+ "0" indicates non-encrypted packet.
+
+ SRTCP index: 31 bits, REQUIRED
+ The SRTCP index is a 31-bit counter for the SRTCP packet.
+ The index is explicitly included in each packet, in contrast
+ to the "implicit" index approach used for SRTP. The SRTCP
+ index MUST be set to zero before the first SRTCP packet is
+ sent, and MUST be incremented by one, modulo 2^31, after
+ each SRTCP packet is sent. In particular, after a re-key,
+ the SRTCP index MUST NOT be reset to zero again.
+
+ Authentication Tag: configurable length, REQUIRED
+ The authentication tag is used to carry message
+ authentication data.
+
+ MKI: configurable length, OPTIONAL
+ The MKI is the Master Key Indicator, and functions according
+ to the MKI definition in Section 3.
+
+ SRTCP uses the cryptographic context parameters and packet processing
+ of SRTP by default, with the following changes:
+
+ * The receiver does not need to "estimate" the index, as it is
+ explicitly signaled in the packet.
+
+ * Pre-defined SRTCP encryption is as specified in Section 4.1, but
+ using the definition of the SRTCP Encrypted Portion given in this
+ section, and using the SRTCP index as the index i. The encryption
+ transform and related parameters SHALL by default be the same
+ selected for the protection of the associated SRTP stream(s),
+ while the NULL algorithm SHALL be applied to the RTCP packets not
+ to be encrypted. SRTCP may have a different encryption transform
+
+
+
+Baugher, et al. Standards Track [Page 17]
+
+RFC 3711 SRTP March 2004
+
+
+ than the one used by the corresponding SRTP. The expected use for
+ this feature is when the former has NULL-encryption and the latter
+ has a non NULL-encryption.
+
+ The E-flag is assigned a value by the sender depending on whether the
+ packet was encrypted or not.
+
+ * SRTCP decryption is performed as in Section 4, but only if the E
+ flag is equal to 1. If so, the Encrypted Portion is decrypted,
+ using the SRTCP index as the index i. In case the E-flag is 0,
+ the payload is simply left unmodified.
+
+ * SRTCP replay protection is as defined in Section 3.3.2, but using
+ the SRTCP index as the index i and a separate Replay List that is
+ specific to SRTCP.
+
+ * The pre-defined SRTCP authentication tag is specified as in
+ Section 4.2, but with the Authenticated Portion of the SRTCP
+ packet given in this section (which includes the index). The
+ authentication transform and related parameters (e.g., key size)
+ SHALL by default be the same as selected for the protection of the
+ associated SRTP stream(s).
+
+ * In the last step of the processing, only the sender needs to
+ update the value of the SRTCP index by incrementing it modulo 2^31
+ and for security reasons the sender MUST also check the number of
+ SRTCP packets processed, see Section 9.2.
+
+ Message authentication for RTCP is REQUIRED, as it is the control
+ protocol (e.g., it has a BYE packet) for RTP.
+
+ Precautions must be taken so that the packet expansion in SRTCP (due
+ to the added fields) does not cause SRTCP messages to use more than
+ their share of RTCP bandwidth. To avoid this, the following two
+ measures MUST be taken:
+
+ 1. When initializing the RTCP variable "avg_rtcp_size" defined in
+ chapter 6.3 of [RFC3550], it MUST include the size of the fields
+ that will be added by SRTCP (index, E-bit, authentication tag, and
+ when present, the MKI).
+
+ 2. When updating the "avg_rtcp_size" using the variable "packet_size"
+ (section 6.3.3 of [RFC3550]), the value of "packet_size" MUST
+ include the size of the additional fields added by SRTCP.
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 18]
+
+RFC 3711 SRTP March 2004
+
+
+ With these measures in place the SRTCP messages will not use more
+ than the allotted bandwidth. The effect of the size of the added
+ fields on the SRTCP traffic will be that messages will be sent with
+ longer packet intervals. The increase in the intervals will be
+ directly proportional to size of the added fields. For the pre-
+ defined transforms, the size of the added fields will be at least 14
+ octets, and upper bounded depending on MKI and the authentication tag
+ sizes.
+
+4. Pre-Defined Cryptographic Transforms
+
+ While there are numerous encryption and message authentication
+ algorithms that can be used in SRTP, below we define default
+ algorithms in order to avoid the complexity of specifying the
+ encodings for the signaling of algorithm and parameter identifiers.
+ The defined algorithms have been chosen as they fulfill the goals
+ listed in Section 2. Recommendations on how to extend SRTP with new
+ transforms are given in Section 6.
+
+4.1. Encryption
+
+ The following parameters are common to both pre-defined, non-NULL,
+ encryption transforms specified in this section.
+
+ * BLOCK_CIPHER-MODE indicates the block cipher used and its mode of
+ operation
+ * n_b is the bit-size of the block for the block cipher
+ * k_e is the session encryption key
+ * n_e is the bit-length of k_e
+ * k_s is the session salting key
+ * n_s is the bit-length of k_s
+ * SRTP_PREFIX_LENGTH is the octet length of the keystream prefix, a
+ non-negative integer, specified by the message authentication code
+ in use.
+
+ The distinct session keys and salts for SRTP/SRTCP are by default
+ derived as specified in Section 4.3.
+
+ The encryption transforms defined in SRTP map the SRTP packet index
+ and secret key into a pseudo-random keystream segment. Each
+ keystream segment encrypts a single RTP packet. The process of
+ encrypting a packet consists of generating the keystream segment
+ corresponding to the packet, and then bitwise exclusive-oring that
+ keystream segment onto the payload of the RTP packet to produce the
+ Encrypted Portion of the SRTP packet. In case the payload size is
+ not an integer multiple of n_b bits, the excess (least significant)
+ bits of the keystream are simply discarded. Decryption is done the
+ same way, but swapping the roles of the plaintext and ciphertext.
+
+
+
+Baugher, et al. Standards Track [Page 19]
+
+RFC 3711 SRTP March 2004
+
+
+ +----+ +------------------+---------------------------------+
+ | KG |-->| Keystream Prefix | Keystream Suffix |---+
+ +----+ +------------------+---------------------------------+ |
+ |
+ +---------------------------------+ v
+ | Payload of RTP Packet |->(*)
+ +---------------------------------+ |
+ |
+ +---------------------------------+ |
+ | Encrypted Portion of SRTP Packet|<--+
+ +---------------------------------+
+
+ Figure 3: Default SRTP Encryption Processing. Here KG denotes the
+ keystream generator, and (*) denotes bitwise exclusive-or.
+
+ The definition of how the keystream is generated, given the index,
+ depends on the cipher and its mode of operation. Below, two such
+ keystream generators are defined. The NULL cipher is also defined,
+ to be used when encryption of RTP is not required.
+
+ The SRTP definition of the keystream is illustrated in Figure 3. The
+ initial octets of each keystream segment MAY be reserved for use in a
+ message authentication code, in which case the keystream used for
+ encryption starts immediately after the last reserved octet. The
+ initial reserved octets are called the "keystream prefix" (not to be
+ confused with the "encryption prefix" of [RFC3550, Section 6.1]), and
+ the remaining octets are called the "keystream suffix". The
+ keystream prefix MUST NOT be used for encryption. The process is
+ illustrated in Figure 3.
+
+ The number of octets in the keystream prefix is denoted as
+ SRTP_PREFIX_LENGTH. The keystream prefix is indicated by a positive,
+ non-zero value of SRTP_PREFIX_LENGTH. This means that, even if
+ confidentiality is not to be provided, the keystream generator output
+ may still need to be computed for packet authentication, in which
+ case the default keystream generator (mode) SHALL be used.
+
+ The default cipher is the Advanced Encryption Standard (AES) [AES],
+ and we define two modes of running AES, (1) Segmented Integer Counter
+ Mode AES and (2) AES in f8-mode. In the remainder of this section,
+ let E(k,x) be AES applied to key k and input block x.
+
+
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 20]
+
+RFC 3711 SRTP March 2004
+
+
+4.1.1. AES in Counter Mode
+
+ Conceptually, counter mode [AES-CTR] consists of encrypting
+ successive integers. The actual definition is somewhat more
+ complicated, in order to randomize the starting point of the integer
+ sequence. Each packet is encrypted with a distinct keystream
+ segment, which SHALL be computed as follows.
+
+ A keystream segment SHALL be the concatenation of the 128-bit output
+ blocks of the AES cipher in the encrypt direction, using key k = k_e,
+ in which the block indices are in increasing order. Symbolically,
+ each keystream segment looks like
+
+ E(k, IV) || E(k, IV + 1 mod 2^128) || E(k, IV + 2 mod 2^128) ...
+
+ where the 128-bit integer value IV SHALL be defined by the SSRC, the
+ SRTP packet index i, and the SRTP session salting key k_s, as below.
+
+ IV = (k_s * 2^16) XOR (SSRC * 2^64) XOR (i * 2^16)
+
+ Each of the three terms in the XOR-sum above is padded with as many
+ leading zeros as needed to make the operation well-defined,
+ considered as a 128-bit value.
+
+ The inclusion of the SSRC allows the use of the same key to protect
+ distinct SRTP streams within the same RTP session, see the security
+ caveats in Section 9.1.
+
+ In the case of SRTCP, the SSRC of the first header of the compound
+ packet MUST be used, i SHALL be the 31-bit SRTCP index and k_e, k_s
+ SHALL be replaced by the SRTCP encryption session key and salt.
+
+ Note that the initial value, IV, is fixed for each packet and is
+ formed by "reserving" 16 zeros in the least significant bits for the
+ purpose of the counter. The number of blocks of keystream generated
+ for any fixed value of IV MUST NOT exceed 2^16 to avoid keystream
+ re-use, see below. The AES has a block size of 128 bits, so 2^16
+ output blocks are sufficient to generate the 2^23 bits of keystream
+ needed to encrypt the largest possible RTP packet (except for IPv6
+ "jumbograms" [RFC2675], which are not likely to be used for RTP-based
+ multimedia traffic). This restriction on the maximum bit-size of the
+ packet that can be encrypted ensures the security of the encryption
+ method by limiting the effectiveness of probabilistic attacks [BDJR].
+
+ For a particular Counter Mode key, each IV value used as an input
+ MUST be distinct, in order to avoid the security exposure of a two-
+ time pad situation (Section 9.1). To satisfy this constraint, an
+ implementation MUST ensure that the combination of the SRTP packet
+
+
+
+Baugher, et al. Standards Track [Page 21]
+
+RFC 3711 SRTP March 2004
+
+
+ index of ROC || SEQ, and the SSRC used in the construction of the IV
+ are distinct for any particular key. The failure to ensure this
+ uniqueness could be catastrophic for Secure RTP. This is in contrast
+ to the situation for RTP itself, which may be able to tolerate such
+ failures. It is RECOMMENDED that, if a dedicated security module is
+ present, the RTP sequence numbers and SSRC either be generated or
+ checked by that module (i.e., sequence-number and SSRC processing in
+ an SRTP system needs to be protected as well as the key).
+
+4.1.2. AES in f8-mode
+
+ To encrypt UMTS (Universal Mobile Telecommunications System, as 3G
+ networks) data, a solution (see [f8-a] [f8-b]) known as the f8-
+ algorithm has been developed. On a high level, the proposed scheme
+ is a variant of Output Feedback Mode (OFB) [HAC], with a more
+ elaborate initialization and feedback function. As in normal OFB,
+ the core consists of a block cipher. We also define here the use of
+ AES as a block cipher to be used in what we shall call "f8-mode of
+ operation" RTP encryption. The AES f8-mode SHALL use the same
+ default sizes for session key and salt as AES counter mode.
+
+ Figure 4 shows the structure of block cipher, E, running in f8-mode.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 22]
+
+RFC 3711 SRTP March 2004
+
+
+ IV
+ |
+ v
+ +------+
+ | |
+ +--->| E |
+ | +------+
+ | |
+ m -> (*) +-----------+-------------+-- ... ------+
+ | IV' | | | |
+ | | j=1 -> (*) j=2 -> (*) ... j=L-1 ->(*)
+ | | | | |
+ | | +-> (*) +-> (*) ... +-> (*)
+ | | | | | | | |
+ | v | v | v | v
+ | +------+ | +------+ | +------+ | +------+
+ k_e ---+--->| E | | | E | | | E | | | E |
+ | | | | | | | | | | |
+ +------+ | +------+ | +------+ | +------+
+ | | | | | | |
+ +------+ +--------+ +-- ... ----+ |
+ | | | |
+ v v v v
+ S(0) S(1) S(2) . . . S(L-1)
+
+ Figure 4. f8-mode of operation (asterisk, (*), denotes bitwise XOR).
+ The figure represents the KG in Figure 3, when AES-f8 is used.
+
+4.1.2.1. f8 Keystream Generation
+
+ The Initialization Vector (IV) SHALL be determined as described in
+ Section 4.1.2.2 (and in Section 4.1.2.3 for SRTCP).
+
+ Let IV', S(j), and m denote n_b-bit blocks. The keystream,
+ S(0) ||... || S(L-1), for an N-bit message SHALL be defined by
+ setting IV' = E(k_e XOR m, IV), and S(-1) = 00..0. For
+ j = 0,1,..,L-1 where L = N/n_b (rounded up to nearest integer if it
+ is not already an integer) compute
+
+ S(j) = E(k_e, IV' XOR j XOR S(j-1))
+
+ Notice that the IV is not used directly. Instead it is fed through E
+ under another key to produce an internal, "masked" value (denoted
+ IV') to prevent an attacker from gaining known input/output pairs.
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 23]
+
+RFC 3711 SRTP March 2004
+
+
+ The role of the internal counter, j, is to prevent short keystream
+ cycles. The value of the key mask m SHALL be
+
+ m = k_s || 0x555..5,
+
+ i.e., the session salting key, appended by the binary pattern 0101..
+ to fill out the entire desired key size, n_e.
+
+ The sender SHOULD NOT generate more than 2^32 blocks, which is
+ sufficient to generate 2^39 bits of keystream. Unlike counter mode,
+ there is no absolute threshold above (below) which f8 is guaranteed
+ to be insecure (secure). The above bound has been chosen to limit,
+ with sufficient security margin, the probability of degenerative
+ behavior in the f8 keystream generation.
+
+4.1.2.2. f8 SRTP IV Formation
+
+ The purpose of the following IV formation is to provide a feature
+ which we call implicit header authentication (IHA), see Section 9.5.
+
+ The SRTP IV for 128-bit block AES-f8 SHALL be formed in the following
+ way:
+
+ IV = 0x00 || M || PT || SEQ || TS || SSRC || ROC
+
+ M, PT, SEQ, TS, SSRC SHALL be taken from the RTP header; ROC is from
+ the cryptographic context.
+
+ The presence of the SSRC as part of the IV allows AES-f8 to be used
+ when a master key is shared between multiple streams within the same
+ RTP session, see Section 9.1.
+
+4.1.2.3. f8 SRTCP IV Formation
+
+ The SRTCP IV for 128-bit block AES-f8 SHALL be formed in the
+ following way:
+
+ IV= 0..0 || E || SRTCP index || V || P || RC || PT || length || SSRC
+
+ where V, P, RC, PT, length, SSRC SHALL be taken from the first header
+ in the RTCP compound packet. E and SRTCP index are the 1-bit and
+ 31-bit fields added to the packet.
+
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 24]
+
+RFC 3711 SRTP March 2004
+
+
+4.1.3. NULL Cipher
+
+ The NULL cipher is used when no confidentiality for RTP/RTCP is
+ requested. The keystream can be thought of as "000..0", i.e., the
+ encryption SHALL simply copy the plaintext input into the ciphertext
+ output.
+
+4.2. Message Authentication and Integrity
+
+ Throughout this section, M will denote data to be integrity
+ protected. In the case of SRTP, M SHALL consist of the Authenticated
+ Portion of the packet (as specified in Figure 1) concatenated with
+ the ROC, M = Authenticated Portion || ROC; in the case of SRTCP, M
+ SHALL consist of the Authenticated Portion (as specified in Figure 2)
+ only.
+
+ Common parameters:
+
+ * AUTH_ALG is the authentication algorithm
+ * k_a is the session message authentication key
+ * n_a is the bit-length of the authentication key
+ * n_tag is the bit-length of the output authentication tag
+ * SRTP_PREFIX_LENGTH is the octet length of the keystream prefix as
+ defined above, a parameter of AUTH_ALG
+
+ The distinct session authentication keys for SRTP/SRTCP are by
+ default derived as specified in Section 4.3.
+
+ The values of n_a, n_tag, and SRTP_PREFIX_LENGTH MUST be fixed for
+ any particular fixed value of the key.
+
+ We describe the process of computing authentication tags as follows.
+ The sender computes the tag of M and appends it to the packet. The
+ SRTP receiver verifies a message/authentication tag pair by computing
+ a new authentication tag over M using the selected algorithm and key,
+ and then compares it to the tag associated with the received message.
+ If the two tags are equal, then the message/tag pair is valid;
+ otherwise, it is invalid and the error audit message "AUTHENTICATION
+ FAILURE" MUST be returned.
+
+4.2.1. HMAC-SHA1
+
+ The pre-defined authentication transform for SRTP is HMAC-SHA1
+ [RFC2104]. With HMAC-SHA1, the SRTP_PREFIX_LENGTH (Figure 3) SHALL
+ be 0. For SRTP (respectively SRTCP), the HMAC SHALL be applied to
+ the session authentication key and M as specified above, i.e.,
+ HMAC(k_a, M). The HMAC output SHALL then be truncated to the n_tag
+ left-most bits.
+
+
+
+Baugher, et al. Standards Track [Page 25]
+
+RFC 3711 SRTP March 2004
+
+
+4.3. Key Derivation
+
+4.3.1. Key Derivation Algorithm
+
+ Regardless of the encryption or message authentication transform that
+ is employed (it may be an SRTP pre-defined transform or newly
+ introduced according to Section 6), interoperable SRTP
+ implementations MUST use the SRTP key derivation to generate session
+ keys. Once the key derivation rate is properly signaled at the start
+ of the session, there is no need for extra communication between the
+ parties that use SRTP key derivation.
+
+ packet index ---+
+ |
+ v
+ +-----------+ master +--------+ session encr_key
+ | ext | key | |---------->
+ | key mgmt |-------->| key | session auth_key
+ | (optional | | deriv |---------->
+ | rekey) |-------->| | session salt_key
+ | | master | |---------->
+ +-----------+ salt +--------+
+
+ Figure 5: SRTP key derivation.
+
+ At least one initial key derivation SHALL be performed by SRTP, i.e.,
+ the first key derivation is REQUIRED. Further applications of the
+ key derivation MAY be performed, according to the
+ "key_derivation_rate" value in the cryptographic context. The key
+ derivation function SHALL initially be invoked before the first
+ packet and then, when r > 0, a key derivation is performed whenever
+ index mod r equals zero. This can be thought of as "refreshing" the
+ session keys. The value of "key_derivation_rate" MUST be kept fixed
+ for the lifetime of the associated master key.
+
+ Interoperable SRTP implementations MAY also derive session salting
+ keys for encryption transforms, as is done in both of the pre-
+ defined transforms.
+
+ Let m and n be positive integers. A pseudo-random function family is
+ a set of keyed functions {PRF_n(k,x)} such that for the (secret)
+ random key k, given m-bit x, PRF_n(k,x) is an n-bit string,
+ computationally indistinguishable from random n-bit strings, see
+ [HAC]. For the purpose of key derivation in SRTP, a secure PRF with
+ m = 128 (or more) MUST be used, and a default PRF transform is
+ defined in Section 4.3.3.
+
+
+
+
+
+Baugher, et al. Standards Track [Page 26]
+
+RFC 3711 SRTP March 2004
+
+
+ Let "a DIV t" denote integer division of a by t, rounded down, and
+ with the convention that "a DIV 0 = 0" for all a. We also make the
+ convention of treating "a DIV t" as a bit string of the same length
+ as a, and thus "a DIV t" will in general have leading zeros.
+
+ Key derivation SHALL be defined as follows in terms of <label>, an
+ 8-bit constant (see below), master_salt and key_derivation_rate, as
+ determined in the cryptographic context, and index, the packet index
+ (i.e., the 48-bit ROC || SEQ for SRTP):
+
+ * Let r = index DIV key_derivation_rate (with DIV as defined above).
+
+ * Let key_id = <label> || r.
+
+ * Let x = key_id XOR master_salt, where key_id and master_salt are
+ aligned so that their least significant bits agree (right-
+ alignment).
+
+ <label> MUST be unique for each type of key to be derived. We
+ currently define <label> 0x00 to 0x05 (see below), and future
+ extensions MAY specify new values in the range 0x06 to 0xff for other
+ purposes. The n-bit SRTP key (or salt) for this packet SHALL then be
+ derived from the master key, k_master as follows:
+
+ PRF_n(k_master, x).
+
+ (The PRF may internally specify additional formatting and padding of
+ x, see e.g., Section 4.3.3 for the default PRF.)
+
+ The session keys and salt SHALL now be derived using:
+
+ - k_e (SRTP encryption): <label> = 0x00, n = n_e.
+
+ - k_a (SRTP message authentication): <label> = 0x01, n = n_a.
+
+ - k_s (SRTP salting key): <label> = 0x02, n = n_s.
+
+ where n_e, n_s, and n_a are from the cryptographic context.
+
+ The master key and master salt MUST be random, but the master salt
+ MAY be public.
+
+ Note that for a key_derivation_rate of 0, the application of the key
+ derivation SHALL take place exactly once.
+
+ The definition of DIV above is purely for notational convenience.
+ For a non-zero t among the set of allowed key derivation rates, "a
+ DIV t" can be implemented as a right-shift by the base-2 logarithm of
+
+
+
+Baugher, et al. Standards Track [Page 27]
+
+RFC 3711 SRTP March 2004
+
+
+ t. The derivation operation is further facilitated if the rates are
+ chosen to be powers of 256, but that granularity was considered too
+ coarse to be a requirement of this specification.
+
+ The upper limit on the number of packets that can be secured using
+ the same master key (see Section 9.2) is independent of the key
+ derivation.
+
+4.3.2. SRTCP Key Derivation
+
+ SRTCP SHALL by default use the same master key (and master salt) as
+ SRTP. To do this securely, the following changes SHALL be done to
+ the definitions in Section 4.3.1 when applying session key derivation
+ for SRTCP.
+
+ Replace the SRTP index by the 32-bit quantity: 0 || SRTCP index
+ (i.e., excluding the E-bit, replacing it with a fixed 0-bit), and use
+ <label> = 0x03 for the SRTCP encryption key, <label> = 0x04 for the
+ SRTCP authentication key, and, <label> = 0x05 for the SRTCP salting
+ key.
+
+4.3.3. AES-CM PRF
+
+ The currently defined PRF, keyed by 128, 192, or 256 bit master key,
+ has input block size m = 128 and can produce n-bit outputs for n up
+ to 2^23. PRF_n(k_master,x) SHALL be AES in Counter Mode as described
+ in Section 4.1.1, applied to key k_master, and IV equal to (x*2^16),
+ and with the output keystream truncated to the n first (left-most)
+ bits. (Requiring n/128, rounded up, applications of AES.)
+
+5. Default and mandatory-to-implement Transforms
+
+ The default transforms also are mandatory-to-implement transforms in
+ SRTP. Of course, "mandatory-to-implement" does not imply
+ "mandatory-to-use". Table 1 summarizes the pre-defined transforms.
+ The default values below are valid for the pre-defined transforms.
+
+ mandatory-to-impl. optional default
+
+ encryption AES-CM, NULL AES-f8 AES-CM
+ message integrity HMAC-SHA1 - HMAC-SHA1
+ key derivation (PRF) AES-CM - AES-CM
+
+ Table 1: Mandatory-to-implement, optional and default transforms in
+ SRTP and SRTCP.
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 28]
+
+RFC 3711 SRTP March 2004
+
+
+5.1. Encryption: AES-CM and NULL
+
+ AES running in Segmented Integer Counter Mode, as defined in Section
+ 4.1.1, SHALL be the default encryption algorithm. The default key
+ lengths SHALL be 128-bit for the session encryption key (n_e). The
+ default session salt key-length (n_s) SHALL be 112 bits.
+
+ The NULL cipher SHALL also be mandatory-to-implement.
+
+5.2. Message Authentication/Integrity: HMAC-SHA1
+
+ HMAC-SHA1, as defined in Section 4.2.1, SHALL be the default message
+ authentication code. The default session authentication key-length
+ (n_a) SHALL be 160 bits, the default authentication tag length
+ (n_tag) SHALL be 80 bits, and the SRTP_PREFIX_LENGTH SHALL be zero
+ for HMAC-SHA1. In addition, for SRTCP, the pre-defined HMAC-SHA1
+ MUST NOT be applied with a value of n_tag, nor n_a, that are smaller
+ than these defaults. For SRTP, smaller values are NOT RECOMMENDED,
+ but MAY be used after careful consideration of the issues in Section
+ 7.5 and 9.5.
+
+5.3. Key Derivation: AES-CM PRF
+
+ The AES Counter Mode based key derivation and PRF defined in Sections
+ 4.3.1 to 4.3.3, using a 128-bit master key, SHALL be the default
+ method for generating session keys. The default master salt length
+ SHALL be 112 bits and the default key-derivation rate SHALL be zero.
+
+6. Adding SRTP Transforms
+
+ Section 4 provides examples of the level of detail needed for
+ defining transforms. Whenever a new transform is to be added to
+ SRTP, a companion standard track RFC MUST be written to exactly
+ define how the new transform can be used with SRTP (and SRTCP). Such
+ a companion RFC SHOULD avoid overlap with the SRTP protocol document.
+ Note however, that it MAY be necessary to extend the SRTP or SRTCP
+ cryptographic context definition with new parameters (including fixed
+ or default values), add steps to the packet processing, or even add
+ fields to the SRTP/SRTCP packets. The companion RFC SHALL explain
+ any known issues regarding interactions between the transform and
+ other aspects of SRTP.
+
+ Each new transform document SHOULD specify its key attributes, e.g.,
+ size of keys (minimum, maximum, recommended), format of keys,
+ recommended/required processing of input keying material,
+ requirements/recommendations on key lifetime, re-keying and key
+ derivation, whether sharing of keys between SRTP and SRTCP is allowed
+ or not, etc.
+
+
+
+Baugher, et al. Standards Track [Page 29]
+
+RFC 3711 SRTP March 2004
+
+
+ An added message integrity transform SHOULD define a minimum
+ acceptable key/tag size for SRTCP, equivalent in strength to the
+ minimum values as defined in Section 5.2.
+
+7. Rationale
+
+ This section explains the rationale behind several important features
+ of SRTP.
+
+7.1. Key derivation
+
+ Key derivation reduces the burden on the key establishment. As many
+ as six different keys are needed per crypto context (SRTP and SRTCP
+ encryption keys and salts, SRTP and SRTCP authentication keys), but
+ these are derived from a single master key in a cryptographically
+ secure way. Thus, the key management protocol needs to exchange only
+ one master key (plus master salt when required), and then SRTP itself
+ derives all the necessary session keys (via the first, mandatory
+ application of the key derivation function).
+
+ Multiple applications of the key derivation function are optional,
+ but will give security benefits when enabled. They prevent an
+ attacker from obtaining large amounts of ciphertext produced by a
+ single fixed session key. If the attacker was able to collect a
+ large amount of ciphertext for a certain session key, he might be
+ helped in mounting certain attacks.
+
+ Multiple applications of the key derivation function provide
+ backwards and forward security in the sense that a compromised
+ session key does not compromise other session keys derived from the
+ same master key. This means that the attacker who is able to recover
+ a certain session key, is anyway not able to have access to messages
+ secured under previous and later session keys (derived from the same
+ master key). (Note that, of course, a leaked master key reveals all
+ the session keys derived from it.)
+
+ Considerations arise with high-rate key refresh, especially in large
+ multicast settings, see Section 11.
+
+7.2. Salting key
+
+ The master salt guarantees security against off-line key-collision
+ attacks on the key derivation that might otherwise reduce the
+ effective key size [MF00].
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 30]
+
+RFC 3711 SRTP March 2004
+
+
+ The derived session salting key used in the encryption, has been
+ introduced to protect against some attacks on additive stream
+ ciphers, see Section 9.2. The explicit inclusion method of the salt
+ in the IV has been selected for ease of hardware implementation.
+
+7.3. Message Integrity from Universal Hashing
+
+ The particular definition of the keystream given in Section 4.1 (the
+ keystream prefix) is to give provision for particular universal hash
+ functions, suitable for message authentication in the Wegman-Carter
+ paradigm [WC81]. Such functions are provably secure, simple, quick,
+ and especially appropriate for Digital Signal Processors and other
+ processors with a fast multiply operation.
+
+ No authentication transforms are currently provided in SRTP other
+ than HMAC-SHA1. Future transforms, like the above mentioned
+ universal hash functions, MAY be added following the guidelines in
+ Section 6.
+
+7.4. Data Origin Authentication Considerations
+
+ Note that in pair-wise communications, integrity and data origin
+ authentication are provided together. However, in group scenarios
+ where the keys are shared between members, the MAC tag only proves
+ that a member of the group sent the packet, but does not prevent
+ against a member impersonating another. Data origin authentication
+ (DOA) for multicast and group RTP sessions is a hard problem that
+ needs a solution; while some promising proposals are being
+ investigated [PCST1] [PCST2], more work is needed to rigorously
+ specify these technologies. Thus SRTP data origin authentication in
+ groups is for further study.
+
+ DOA can be done otherwise using signatures. However, this has high
+ impact in terms of bandwidth and processing time, therefore we do not
+ offer this form of authentication in the pre-defined packet-integrity
+ transform.
+
+ The presence of mixers and translators does not allow data origin
+ authentication in case the RTP payload and/or the RTP header are
+ manipulated. Note that these types of middle entities also disrupt
+ end-to-end confidentiality (as the IV formation depends e.g., on the
+ RTP header preservation). A certain trust model may choose to trust
+ the mixers/translators to decrypt/re-encrypt the media (this would
+ imply breaking the end-to-end security, with related security
+ implications).
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 31]
+
+RFC 3711 SRTP March 2004
+
+
+7.5. Short and Zero-length Message Authentication
+
+ As shown in Figure 1, the authentication tag is RECOMMENDED in SRTP.
+ A full 80-bit authentication-tag SHOULD be used, but a shorter tag or
+ even a zero-length tag (i.e., no message authentication) MAY be used
+ under certain conditions to support either of the following two
+ application environments.
+
+ 1. Strong authentication can be impractical in environments where
+ bandwidth preservation is imperative. An important special
+ case is wireless communication systems, in which bandwidth is a
+ scarce and expensive resource. Studies have shown that for
+ certain applications and link technologies, additional bytes
+ may result in a significant decrease in spectrum efficiency
+ [SWO]. Considerable effort has been made to design IP header
+ compression techniques to improve spectrum efficiency
+ [RFC3095]. A typical voice application produces 20 byte
+ samples, and the RTP, UDP and IP headers need to be jointly
+ compressed to one or two bytes on average in order to obtain
+ acceptable wireless bandwidth economy [RFC3095]. In this case,
+ strong authentication would impose nearly fifty percent
+ overhead.
+
+ 2. Authentication is impractical for applications that use data
+ links with fixed-width fields that cannot accommodate the
+ expansion due to the authentication tag. This is the case for
+ some important existing wireless channels. For example, zero-
+ byte header compression is used to adapt EVRC/SMV voice with
+ the legacy IS-95 bearer channel in CDMA2000 VoIP services. It
+ was found that not a single additional octet could be added to
+ the data, which motivated the creation of a zero-byte profile
+ for ROHC [RFC3242].
+
+ A short tag is secure for a restricted set of applications. Consider
+ a voice telephony application, for example, such as a G.729 audio
+ codec with a 20-millisecond packetization interval, protected by a
+ 32-bit message authentication tag. The likelihood of any given
+ packet being successfully forged is only one in 2^32. Thus an
+ adversary can control no more than 20 milliseconds of audio output
+ during a 994-day period, on average. In contrast, the effect of a
+ single forged packet can be much larger if the application is
+ stateful. A codec that uses relative or predictive compression
+ across packets will propagate the maliciously generated state,
+ affecting a longer duration of output.
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 32]
+
+RFC 3711 SRTP March 2004
+
+
+ Certainly not all SRTP or telephony applications meet the criteria
+ for short or zero-length authentication tags. Section 9.5.1
+ discusses the risks of weak or no message authentication, and section
+ 9.5 describes the circumstances when it is acceptable and when it is
+ unacceptable.
+
+8. Key Management Considerations
+
+ There are emerging key management standards [MIKEY] [KEYMGT] [SDMS]
+ for establishing an SRTP cryptographic context (e.g., an SRTP master
+ key). Both proprietary and open-standard key management methods are
+ likely to be used for telephony applications [MIKEY] [KINK] and
+ multicast applications [GDOI]. This section provides guidance for
+ key management systems that service SRTP session.
+
+ For initialization, an interoperable SRTP implementation SHOULD be
+ given the SSRC and MAY be given the initial RTP sequence number for
+ the RTP stream by key management (thus, key management has a
+ dependency on RTP operational parameters). Sending the RTP sequence
+ number in the key management may be useful e.g., when the initial
+ sequence number is close to wrapping (to avoid synchronization
+ problems), and to communicate the current sequence number to a
+ joining endpoint (to properly initialize its replay list).
+
+ If the pre-defined transforms are used, SRTP allows sharing of the
+ same master key between SRTP/SRTCP streams belonging to the same RTP
+ session.
+
+ First, sharing between SRTP streams belonging to the same RTP session
+ is secure if the design of the synchronization mechanism, i.e., the
+ IV, avoids keystream re-use (the two-time pad, Section 9.1). This is
+ taken care of by the fact that RTP provides for unique SSRCs for
+ streams belonging to the same RTP session. See Section 9.1 for
+ further discussion.
+
+ Second, sharing between SRTP and the corresponding SRTCP is secure.
+ The fact that an SRTP stream and its associated SRTCP stream both
+ carry the same SSRC does not constitute a problem for the two-time
+ pad due to the key derivation. Thus, SRTP and SRTCP corresponding to
+ one RTP session MAY share master keys (as they do by default).
+
+ Note that message authentication also has a dependency on SSRC
+ uniqueness that is unrelated to the problem of keystream reuse: SRTP
+ streams authenticated under the same key MUST have a distinct SSRC in
+ order to identify the sender of the message. This requirement is
+ needed because the SSRC is the cryptographically authenticated field
+
+
+
+
+
+Baugher, et al. Standards Track [Page 33]
+
+RFC 3711 SRTP March 2004
+
+
+ used to distinguish between different SRTP streams. Were two streams
+ to use identical SSRC values, then an adversary could substitute
+ messages from one stream into the other without detection.
+
+ SRTP/SRTCP MUST NOT share master keys under any other circumstances
+ than the ones given above, i.e., between SRTP and its corresponding
+ SRTCP, and, between streams belonging to the same RTP session.
+
+8.1. Re-keying
+
+ The recommended way for a particular key management system to provide
+ re-key within SRTP is by associating a master key in a crypto context
+ with an MKI.
+
+ This provides for easy master key retrieval (see Scenarios in Section
+ 11), but has the disadvantage of adding extra bits to each packet.
+ As noted in Section 7.5, some wireless links do not cater for added
+ bits, therefore SRTP also defines a more economic way of triggering
+ re-keying, via use of <From, To>, which works in some specific,
+ simple scenarios (see Section 8.1.1).
+
+ SRTP senders SHALL count the amount of SRTP and SRTCP traffic being
+ used for a master key and invoke key management to re-key if needed
+ (Section 9.2). These interactions are defined by the key management
+ interface to SRTP and are not defined by this protocol specification.
+
+8.1.1. Use of the <From, To> for re-keying
+
+ In addition to the use of the MKI, SRTP defines another optional
+ mechanism for master key retrieval, the <From, To>. The <From, To>
+ specifies the range of SRTP indices (a pair of sequence number and
+ ROC) within which a certain master key is valid, and is (when used)
+ part of the crypto context. By looking at the 48-bit SRTP index of
+ the current SRTP packet, the corresponding master key can be found by
+ determining which From-To interval it belongs to. For SRTCP, the
+ most recently observed/used SRTP index (which can be obtained from
+ the cryptographic context) is used for this purpose, even though
+ SRTCP has its own (31-bit) index (see caveat below).
+
+ This method, compared to the MKI, has the advantage of identifying
+ the master key and defining its lifetime without adding extra bits to
+ each packet. This could be useful, as already noted, for some
+ wireless links that do not cater for added bits. However, its use
+ SHOULD be limited to specific, very simple scenarios. We recommend
+ to limit its use when the RTP session is a simple unidirectional or
+ bi-directional stream. This is because in case of multiple streams,
+ it is difficult to trigger the re-key based on the <From, To> of a
+ single RTP stream. For example, if several streams share a master
+
+
+
+Baugher, et al. Standards Track [Page 34]
+
+RFC 3711 SRTP March 2004
+
+
+ key, there is no simple one-to-one correspondence between the index
+ sequence space of a certain stream, and the index sequence space on
+ which the <From, To> values are based. Consequently, when a master
+ key is shared between streams, one of these streams MUST be
+ designated by key management as the one whose index space defines the
+ re-keying points. Also, the re-key triggering on SRTCP is based on
+ the correspondent SRTP stream, i.e., when the SRTP stream changes the
+ master key, so does the correspondent SRTCP. This becomes obviously
+ more and more complex with multiple streams.
+
+ The default values for the <From, To> are "from the first observed
+ packet" and "until further notice". However, the maximum limit of
+ SRTP/SRTCP packets that are sent under each given master/session key
+ (Section 9.2) MUST NOT be exceeded.
+
+ In case the <From, To> is used as key retrieval, then the MKI is not
+ inserted in the packet (and its indicator in the crypto context is
+ zero). However, using the MKI does not exclude using <From, To> key
+ lifetime simultaneously. This can for instance be useful to signal
+ at the sender side at which point in time an MKI is to be made
+ active.
+
+8.2. Key Management parameters
+
+ The table below lists all SRTP parameters that key management can
+ supply. For reference, it also provides a summary of the default and
+ mandatory-to-support values for an SRTP implementation as described
+ in Section 5.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 35]
+
+RFC 3711 SRTP March 2004
+
+
+ Parameter Mandatory-to-support Default
+ --------- -------------------- -------
+
+ SRTP and SRTCP encr transf. AES_CM, NULL AES_CM
+ (Other possible values: AES_f8)
+
+ SRTP and SRTCP auth transf. HMAC-SHA1 HMAC-SHA1
+
+ SRTP and SRTCP auth params:
+ n_tag (tag length) 80 80
+ SRTP prefix_length 0 0
+
+ Key derivation PRF AES_CM AES_CM
+
+ Key material params
+ (for each master key):
+ master key length 128 128
+ n_e (encr session key length) 128 128
+ n_a (auth session key length) 160 160
+ master salt key
+ length of the master salt 112 112
+ n_s (session salt key length) 112 112
+ key derivation rate 0 0
+
+ key lifetime
+ SRTP-packets-max-lifetime 2^48 2^48
+ SRTCP-packets-max-lifetime 2^31 2^31
+ from-to-lifetime <From, To>
+ MKI indicator 0 0
+ length of the MKI 0 0
+ value of the MKI
+
+ Crypto context index params:
+ SSRC value
+ ROC
+ SEQ
+ SRTCP Index
+ Transport address
+ Port number
+
+ Relation to other RTP profiles:
+ sender's order between FEC and SRTP FEC-SRTP FEC-SRTP
+ (see Section 10)
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 36]
+
+RFC 3711 SRTP March 2004
+
+
+9. Security Considerations
+
+9.1. SSRC collision and two-time pad
+
+ Any fixed keystream output, generated from the same key and index
+ MUST only be used to encrypt once. Re-using such keystream (jokingly
+ called a "two-time pad" system by cryptographers), can seriously
+ compromise security. The NSA's VENONA project [C99] provides a
+ historical example of such a compromise. It is REQUIRED that
+ automatic key management be used for establishing and maintaining
+ SRTP and SRTCP keying material; this requirement is to avoid
+ keystream reuse, which is more likely to occur with manual key
+ management. Furthermore, in SRTP, a "two-time pad" is avoided by
+ requiring the key, or some other parameter of cryptographic
+ significance, to be unique per RTP/RTCP stream and packet. The pre-
+ defined SRTP transforms accomplish packet-uniqueness by including the
+ packet index and stream-uniqueness by inclusion of the SSRC.
+
+ The pre-defined transforms (AES-CM and AES-f8) allow master keys to
+ be shared across streams belonging to the same RTP session by the
+ inclusion of the SSRC in the IV. A master key MUST NOT be shared
+ among different RTP sessions.
+
+ Thus, the SSRC MUST be unique between all the RTP streams within the
+ same RTP session that share the same master key. RTP itself provides
+ an algorithm for detecting SSRC collisions within the same RTP
+ session. Thus, temporary collisions could lead to temporary two-time
+ pad, in the unfortunate event that SSRCs collide at a point in time
+ when the streams also have identical sequence numbers (occurring with
+ probability roughly 2^(-48)). Therefore, the key management SHOULD
+ take care of avoiding such SSRC collisions by including the SSRCs to
+ be used in the session as negotiation parameters, proactively
+ assuring their uniqueness. This is a strong requirements in
+ scenarios where for example, there are multiple senders that can
+ start to transmit simultaneously, before SSRC collision are detected
+ at the RTP level.
+
+ Note also that even with distinct SSRCs, extensive use of the same
+ key might improve chances of probabilistic collision and time-
+ memory-tradeoff attacks succeeding.
+
+ As described, master keys MAY be shared between streams belonging to
+ the same RTP session, but it is RECOMMENDED that each SSRC have its
+ own master key. When master keys are shared among SSRC participants
+ and SSRCs are managed by a key management module as recommended
+ above, the RECOMMENDED policy for an SSRC collision error is for the
+ participant to leave the SRTP session as it is a sign of malfunction.
+
+
+
+
+Baugher, et al. Standards Track [Page 37]
+
+RFC 3711 SRTP March 2004
+
+
+9.2. Key Usage
+
+ The effective key size is determined (upper bounded) by the size of
+ the master key and, for encryption, the size of the salting key. Any
+ additive stream cipher is vulnerable to attacks that use statistical
+ knowledge about the plaintext source to enable key collision and
+ time-memory tradeoff attacks [MF00] [H80] [BS00]. These attacks take
+ advantage of commonalities among plaintexts, and provide a way for a
+ cryptanalyst to amortize the computational effort of decryption over
+ many keys, or over many bytes of output, thus reducing the effective
+ key size of the cipher. A detailed analysis of these attacks and
+ their applicability to the encryption of Internet traffic is provided
+ in [MF00]. In summary, the effective key size of SRTP when used in a
+ security system in which m distinct keys are used, is equal to the
+ key size of the cipher less the logarithm (base two) of m.
+ Protection against such attacks can be provided simply by increasing
+ the size of the keys used, which here can be accomplished by the use
+ of the salting key. Note that the salting key MUST be random but MAY
+ be public. A salt size of (the suggested) size 112 bits protects
+ against attacks in scenarios where at most 2^112 keys are in use.
+ This is sufficient for all practical purposes.
+
+ Implementations SHOULD use keys that are as large as possible.
+ Please note that in many cases increasing the key size of a cipher
+ does not affect the throughput of that cipher.
+
+ The use of the SRTP and SRTCP indices in the pre-defined transforms
+ fixes the maximum number of packets that can be secured with the same
+ key. This limit is fixed to 2^48 SRTP packets for an SRTP stream,
+ and 2^31 SRTCP packets, when SRTP and SRTCP are considered
+ independently. Due to for example re-keying, reaching this limit may
+ or may not coincide with wrapping of the indices, and thus the sender
+ MUST keep packet counts. However, when the session keys for related
+ SRTP and SRTCP streams are derived from the same master key (the
+ default behavior, Section 4.3), the upper bound that has to be
+ considered is in practice the minimum of the two quantities. That
+ is, when 2^48 SRTP packets or 2^31 SRTCP packets have been secured
+ with the same key (whichever occurs before), the key management MUST
+ be called to provide new master key(s) (previously stored and used
+ keys MUST NOT be used again), or the session MUST be terminated. If
+ a sender of RTCP discovers that the sender of SRTP (or SRTCP) has not
+ updated the master or session key prior to sending 2^48 SRTP (or 2^31
+ SRTCP) packets belonging to the same SRTP (SRTCP) stream, it is up to
+ the security policy of the RTCP sender how to behave, e.g., whether
+ an RTCP BYE-packet should be sent and/or if the event should be
+ logged.
+
+
+
+
+
+Baugher, et al. Standards Track [Page 38]
+
+RFC 3711 SRTP March 2004
+
+
+ Note: in most typical applications (assuming at least one RTCP packet
+ for every 128,000 RTP packets), it will be the SRTCP index that first
+ reaches the upper limit, although the time until this occurs is very
+ long: even at 200 SRTCP packets/sec, the 2^31 index space of SRTCP is
+ enough to secure approximately 4 months of communication.
+
+ Note that if the master key is to be shared between SRTP streams
+ within the same RTP session (Section 9.1), although the above bounds
+ are on a per stream (i.e., per SSRC) basis, the sender MUST base re-
+ key decision on the stream whose sequence number space is the first
+ to be exhausted.
+
+ Key derivation limits the amount of plaintext that is encrypted with
+ a fixed session key, and made available to an attacker for analysis,
+ but key derivation does not extend the master key's lifetime. To see
+ this, simply consider our requirements to avoid two-time pad: two
+ distinct packets MUST either be processed with distinct IVs, or with
+ distinct session keys, and both the distinctness of IV and of the
+ session keys are (for the pre-defined transforms) dependent on the
+ distinctness of the packet indices.
+
+ Note that with the key derivation, the effective key size is at most
+ that of the master key, even if the derived session key is
+ considerably longer. With the pre-defined authentication transform,
+ the session authentication key is 160 bits, but the master key by
+ default is only 128 bits. This design choice was made to comply with
+ certain recommendations in [RFC2104] so that an existing HMAC
+ implementation can be plugged into SRTP without problems. Since the
+ default tag size is 80 bits, it is, for the applications in mind,
+ also considered acceptable from security point of view. Users having
+ concerns about this are RECOMMENDED to instead use a 192 bit master
+ key in the key derivation. It was, however, chosen not to mandate
+ 192-bit keys since existing AES implementations to be used in the
+ key-derivation may not always support key-lengths other than 128
+ bits. Since AES is not defined (or properly analyzed) for use with
+ 160 bit keys it is NOT RECOMMENDED that ad-hoc key-padding schemes
+ are used to pad shorter keys to 192 or 256 bits.
+
+9.3. Confidentiality of the RTP Payload
+
+ SRTP's pre-defined ciphers are "seekable" stream ciphers, i.e.,
+ ciphers able to efficiently seek to arbitrary locations in their
+ keystream (so that the encryption or decryption of one packet does
+ not depend on preceding packets). By using seekable stream ciphers,
+ SRTP avoids the denial of service attacks that are possible on stream
+ ciphers that lack this property. It is important to be aware that,
+ as with any stream cipher, the exact length of the payload is
+ revealed by the encryption. This means that it may be possible to
+
+
+
+Baugher, et al. Standards Track [Page 39]
+
+RFC 3711 SRTP March 2004
+
+
+ deduce certain "formatting bits" of the payload, as the length of the
+ codec output might vary due to certain parameter settings etc. This,
+ in turn, implies that the corresponding bit of the keystream can be
+ deduced. However, if the stream cipher is secure (counter mode and
+ f8 are provably secure under certain assumptions [BDJR] [KSYH] [IK]),
+ knowledge of a few bits of the keystream will not aid an attacker in
+ predicting subsequent keystream bits. Thus, the payload length (and
+ information deducible from this) will leak, but nothing else.
+
+ As some RTP packet could contain highly predictable data, e.g., SID,
+ it is important to use a cipher designed to resist known plaintext
+ attacks (which is the current practice).
+
+9.4. Confidentiality of the RTP Header
+
+ In SRTP, RTP headers are sent in the clear to allow for header
+ compression. This means that data such as payload type,
+ synchronization source identifier, and timestamp are available to an
+ eavesdropper. Moreover, since RTP allows for future extensions of
+ headers, we cannot foresee what kind of possibly sensitive
+ information might also be "leaked".
+
+ SRTP is a low-cost method, which allows header compression to reduce
+ bandwidth. It is up to the endpoints' policies to decide about the
+ security protocol to employ. If one really needs to protect headers,
+ and is allowed to do so by the surrounding environment, then one
+ should also look at alternatives, e.g., IPsec [RFC2401].
+
+9.5. Integrity of the RTP payload and header
+
+ SRTP messages are subject to attacks on their integrity and source
+ identification, and these risks are discussed in Section 9.5.1. To
+ protect against these attacks, each SRTP stream SHOULD be protected
+ by HMAC-SHA1 [RFC2104] with an 80-bit output tag and a 160-bit key,
+ or a message authentication code with equivalent strength. Secure
+ RTP SHOULD NOT be used without message authentication, except under
+ the circumstances described in this section. It is important to note
+ that encryption algorithms, including AES Counter Mode and f8, do not
+ provide message authentication. SRTCP MUST NOT be used with weak (or
+ NULL) authentication.
+
+ SRTP MAY be used with weak authentication (e.g., a 32-bit
+ authentication tag), or with no authentication (the NULL
+ authentication algorithm). These options allow SRTP to be used to
+ provide confidentiality in situations where
+
+ * weak or null authentication is an acceptable security risk, and
+ * it is impractical to provide strong message authentication.
+
+
+
+Baugher, et al. Standards Track [Page 40]
+
+RFC 3711 SRTP March 2004
+
+
+ These conditions are described below and in Section 7.5. Note that
+ both conditions MUST hold in order for weak or null authentication to
+ be used. The risks associated with exercising the weak or null
+ authentication options need to be considered by a security audit
+ prior to their use for a particular application or environment given
+ the risks, which are discussed in Section 9.5.1.
+
+ Weak authentication is acceptable when the RTP application is such
+ that the effect of a small fraction of successful forgeries is
+ negligible. If the application is stateless, then the effect of a
+ single forged RTP packet is limited to the decoding of that
+ particular packet. Under this condition, the size of the
+ authentication tag MUST ensure that only a negligible fraction of the
+ packets passed to the RTP application by the SRTP receiver can be
+ forgeries. This fraction is negligible when an adversary, if given
+ control of the forged packets, is not able to make a significant
+ impact on the output of the RTP application (see the example of
+ Section 7.5).
+
+ Weak or null authentication MAY be acceptable when it is unlikely
+ that an adversary can modify ciphertext so that it decrypts to an
+ intelligible value. One important case is when it is difficult for
+ an adversary to acquire the RTP plaintext data, since for many
+ codecs, an adversary that does not know the input signal cannot
+ manipulate the output signal in a controlled way. In many cases it
+ may be difficult for the adversary to determine the actual value of
+ the plaintext. For example, a hidden snooping device might be
+ required in order to know a live audio or video signal. The
+ adversary's signal must have a quality equivalent to or greater than
+ that of the signal under attack, since otherwise the adversary would
+ not have enough information to encode that signal with the codec used
+ by the victim. Plaintext prediction may also be especially difficult
+ for an interactive application such as a telephone call.
+
+ Weak or null authentication MUST NOT be used when the RTP application
+ makes data forwarding or access control decisions based on the RTP
+ data. In such a case, an attacker may be able to subvert
+ confidentiality by causing the receiver to forward data to an
+ attacker. See Section 3 of [B96] for a real-life example of such
+ attacks.
+
+ Null authentication MUST NOT be used when a replay attack, in which
+ an adversary stores packets then replays them later in the session,
+ could have a non-negligible impact on the receiver. An example of a
+ successful replay attack is the storing of the output of a
+ surveillance camera for a period of time, later followed by the
+
+
+
+
+
+Baugher, et al. Standards Track [Page 41]
+
+RFC 3711 SRTP March 2004
+
+
+ injection of that output to the monitoring station to avoid
+ surveillance. Encryption does not protect against this attack, and
+ non-null authentication is REQUIRED in order to defeat it.
+
+ If existential message forgery is an issue, i.e., when the accuracy
+ of the received data is of non-negligible importance, null
+ authentication MUST NOT be used.
+
+9.5.1. Risks of Weak or Null Message Authentication
+
+ During a security audit considering the use of weak or null
+ authentication, it is important to keep in mind the following attacks
+ which are possible when no message authentication algorithm is used.
+
+ An attacker who cannot predict the plaintext is still always able to
+ modify the message sent between the sender and the receiver so that
+ it decrypts to a random plaintext value, or to send a stream of bogus
+ packets to the receiver that will decrypt to random plaintext values.
+ This attack is essentially a denial of service attack, though in the
+ absence of message authentication, the RTP application will have
+ inputs that are bit-wise correlated with the true value. Some
+ multimedia codecs and common operating systems will crash when such
+ data are accepted as valid video data. This denial of service attack
+ may be a much larger threat than that due to an attacker dropping,
+ delaying, or re-ordering packets.
+
+ An attacker who cannot predict the plaintext can still replay a
+ previous message with certainty that the receiver will accept it.
+ Applications with stateless codecs might be robust against this type
+ of attack, but for other, more complex applications these attacks may
+ be far more grave.
+
+ An attacker who can predict the plaintext can modify the ciphertext
+ so that it will decrypt to any value of her choosing. With an
+ additive stream cipher, an attacker will always be able to change
+ individual bits.
+
+ An attacker may be able to subvert confidentiality due to the lack of
+ authentication when a data forwarding or access control decision is
+ made on decrypted but unauthenticated plaintext. This is because the
+ receiver may be fooled into forwarding data to an attacker, leading
+ to an indirect breach of confidentiality (see Section 3 of [B96]).
+ This is because data-forwarding decisions are made on the decrypted
+ plaintext; information in the plaintext will determine to what subnet
+ (or process) the plaintext is forwarded in ESP [RFC2401] tunnel mode
+ (respectively, transport mode). When Secure RTP is used without
+
+
+
+
+
+Baugher, et al. Standards Track [Page 42]
+
+RFC 3711 SRTP March 2004
+
+
+ message authentication, it should be verified that the application
+ does not make data forwarding or access control decisions based on
+ the decrypted plaintext.
+
+ Some cipher modes of operation that require padding, e.g., standard
+ cipher block chaining (CBC) are very sensitive to attacks on
+ confidentiality if certain padding types are used in the absence of
+ integrity. The attack [V02] shows that this is indeed the case for
+ the standard RTP padding as discussed in reference to Figure 1, when
+ used together with CBC mode. Later transform additions to SRTP MUST
+ therefore carefully consider the risk of using this padding without
+ proper integrity protection.
+
+9.5.2. Implicit Header Authentication
+
+ The IV formation of the f8-mode gives implicit authentication (IHA)
+ of the RTP header, even when message authentication is not used.
+ When IHA is used, an attacker that modifies the value of the RTP
+ header will cause the decryption process at the receiver to produce
+ random plaintext values. While this protection is not equivalent to
+ message authentication, it may be useful for some applications.
+
+10. Interaction with Forward Error Correction mechanisms
+
+ The default processing when using Forward Error Correction (e.g., RFC
+ 2733) processing with SRTP SHALL be to perform FEC processing prior
+ to SRTP processing on the sender side and to perform SRTP processing
+ prior to FEC processing on the receiver side. Any change to this
+ ordering (reversing it, or, placing FEC between SRTP encryption and
+ SRTP authentication) SHALL be signaled out of band.
+
+11. Scenarios
+
+ SRTP can be used as security protocol for the RTP/RTCP traffic in
+ many different scenarios. SRTP has a number of configuration
+ options, in particular regarding key usage, and can have impact on
+ the total performance of the application according to the way it is
+ used. Hence, the use of SRTP is dependent on the kind of scenario
+ and application it is used with. In the following, we briefly
+ illustrate some use cases for SRTP, and give some guidelines for
+ recommended setting of its options.
+
+11.1. Unicast
+
+ A typical example would be a voice call or video-on-demand
+ application.
+
+
+
+
+
+Baugher, et al. Standards Track [Page 43]
+
+RFC 3711 SRTP March 2004
+
+
+ Consider one bi-directional RTP stream, as one RTP session. It is
+ possible for the two parties to share the same master key in the two
+ directions according to the principles of Section 9.1. The first
+ round of the key derivation splits the master key into any or all of
+ the following session keys (according to the provided security
+ functions):
+
+ SRTP_encr_key, SRTP_auth_key, SRTCP_encr_key, and SRTCP_auth key.
+
+ (For simplicity, we omit discussion of the salts, which are also
+ derived.) In this scenario, it will in most cases suffice to have a
+ single master key with the default lifetime. This guarantees
+ sufficiently long lifetime of the keys and a minimum set of keys in
+ place for most practical purposes. Also, in this case RTCP
+ protection can be applied smoothly. Under these assumptions, use of
+ the MKI can be omitted. As the key-derivation in combination with
+ large difference in the packet rate in the respective directions may
+ require simultaneous storage of several session keys, if storage is
+ an issue, we recommended to use low-rate key derivation.
+
+ The same considerations can be extended to the unicast scenario with
+ multiple RTP sessions, where each session would have a distinct
+ master key.
+
+11.2. Multicast (one sender)
+
+ Just as with (unprotected) RTP, a scalability issue arises in big
+ groups due to the possibly very large amount of SRTCP Receiver
+ Reports that the sender might need to process. In SRTP, the sender
+ may have to keep state (the cryptographic context) for each receiver,
+ or more precisely, for the SRTCP used to protect Receiver Reports.
+ The overhead increases proportionally to the size of the group. In
+ particular, re-keying requires special concern, see below.
+
+ Consider first a small group of receivers. There are a few possible
+ setups with the distribution of master keys among the receivers.
+ Given a single RTP session, one possibility is that the receivers
+ share the same master key as per Section 9.1 to secure all their
+ respective RTCP traffic. This shared master key could then be the
+ same one used by the sender to protect its outbound SRTP traffic.
+ Alternatively, it could be a master key shared only among the
+ receivers and used solely for their SRTCP traffic. Both alternatives
+ require the receivers to trust each other.
+
+ Considering SRTCP and key storage, it is recommended to use low-rate
+ (or zero) key_derivation (except the mandatory initial one), so that
+ the sender does not need to store too many session keys (each SRTCP
+ stream might otherwise have a different session key at a given point
+
+
+
+Baugher, et al. Standards Track [Page 44]
+
+RFC 3711 SRTP March 2004
+
+
+ in time, as the SRTCP sources send at different times). Thus, in
+ case key derivation is wanted for SRTP, the cryptographic context for
+ SRTP can be kept separate from the SRTCP crypto context, so that it
+ is possible to have a key_derivation_rate of 0 for SRTCP and a non-
+ zero value for SRTP.
+
+ Use of the MKI for re-keying is RECOMMENDED for most applications
+ (see Section 8.1).
+
+ If there are more than one SRTP/SRTCP stream (within the same RTP
+ session) that share the master key, the upper limit of 2^48 SRTP
+ packets / 2^31 SRTCP packets means that, before one of the streams
+ reaches its maximum number of packets, re-keying MUST be triggered on
+ ALL streams sharing the master key. (From strict security point of
+ view, only the stream reaching the maximum would need to be re-keyed,
+ but then the streams would no longer be sharing master key, which is
+ the intention.) A local policy at the sender side should force
+ rekeying in a way that the maximum packet limit is not reached on any
+ of the streams. Use of the MKI for re-keying is RECOMMENDED.
+
+ In large multicast with one sender, the same considerations as for
+ the small group multicast hold. The biggest issue in this scenario
+ is the additional load placed at the sender side, due to the state
+ (cryptographic contexts) that has to be maintained for each receiver,
+ sending back RTCP Receiver Reports. At minimum, a replay window
+ might need to be maintained for each RTCP source.
+
+11.3. Re-keying and access control
+
+ Re-keying may occur due to access control (e.g., when a member is
+ removed during a multicast RTP session), or for pure cryptographic
+ reasons (e.g., the key is at the end of its lifetime). When using
+ SRTP default transforms, the master key MUST be replaced before any
+ of the index spaces are exhausted for any of the streams protected by
+ one and the same master key.
+
+ How key management re-keys SRTP implementations is out of scope, but
+ it is clear that there are straightforward ways to manage keys for a
+ multicast group. In one-sender multicast, for example, it is
+ typically the responsibility of the sender to determine when a new
+ key is needed. The sender is the one entity that can keep track of
+ when the maximum number of packets has been sent, as receivers may
+ join and leave the session at any time, there may be packet loss and
+ delay etc. In scenarios other than one-sender multicast, other
+ methods can be used. Here, one must take into consideration that key
+ exchange can be a costly operation, taking several seconds for a
+ single exchange. Hence, some time before the master key is
+ exhausted/expires, out-of-band key management is initiated, resulting
+
+
+
+Baugher, et al. Standards Track [Page 45]
+
+RFC 3711 SRTP March 2004
+
+
+ in a new master key that is shared with the receiver(s). In any
+ event, to maintain synchronization when switching to the new key,
+ group policy might choose between using the MKI and the <From, To>,
+ as described in Section 8.1.
+
+ For access control purposes, the <From, To> periods are set at the
+ desired granularity, dependent on the packet rate. High rate re-
+ keying can be problematic for SRTCP in some large-group scenarios.
+ As mentioned, there are potential problems in using the SRTP index,
+ rather than the SRTCP index, for determining the master key. In
+ particular, for short periods during switching of master keys, it may
+ be the case that SRTCP packets are not under the current master key
+ of the correspondent SRTP. Therefore, using the MKI for re-keying in
+ such scenarios will produce better results.
+
+11.4. Summary of basic scenarios
+
+ The description of these scenarios highlights some recommendations on
+ the use of SRTP, mainly related to re-keying and large scale
+ multicast:
+
+ - Do not use fast re-keying with the <From, To> feature. It may, in
+ particular, give problems in retrieving the correct SRTCP key, if
+ an SRTCP packet arrives close to the re-keying time. The MKI
+ SHOULD be used in this case.
+
+ - If multiple SRTP streams in the same RTP session share the same
+ master key, also moderate rate re-keying MAY have the same
+ problems, and the MKI SHOULD be used.
+
+ - Though offering increased security, a non-zero key_derivation_rate
+ is NOT RECOMMENDED when trying to minimize the number of keys in
+ use with multiple streams.
+
+12. IANA Considerations
+
+ The RTP specification establishes a registry of profile names for use
+ by higher-level control protocols, such as the Session Description
+ Protocol (SDP), to refer to transport methods. This profile
+ registers the name "RTP/SAVP".
+
+ SRTP uses cryptographic transforms which a key management protocol
+ signals. It is the task of each particular key management protocol
+ to register the cryptographic transforms or suites of transforms with
+ IANA. The key management protocol conveys these protocol numbers,
+ not SRTP, and each key management protocol chooses the numbering
+ scheme and syntax that it requires.
+
+
+
+
+Baugher, et al. Standards Track [Page 46]
+
+RFC 3711 SRTP March 2004
+
+
+ Specification of a key management protocol for SRTP is out of scope
+ here. Section 8.2, however, provides guidance on the parameters that
+ need to be defined for the default and mandatory transforms.
+
+13. Acknowledgements
+
+ David Oran (Cisco) and Rolf Blom (Ericsson) are co-authors of this
+ document but their valuable contributions are acknowledged here to
+ keep the length of the author list down.
+
+ The authors would in addition like to thank Magnus Westerlund, Brian
+ Weis, Ghyslain Pelletier, Morgan Lindqvist, Robert Fairlie-
+ Cuninghame, Adrian Perrig, the AVT WG and in particular the chairmen
+ Colin Perkins and Stephen Casner, the Transport and Security Area
+ Directors, and Eric Rescorla for their reviews and support.
+
+14. References
+
+14.1. Normative References
+
+ [AES] NIST, "Advanced Encryption Standard (AES)", FIPS PUB 197,
+ http://www.nist.gov/aes/
+
+ [RFC2104] Krawczyk, H., Bellare, M. and R. Canetti, "HMAC: Keyed-
+ Hashing for Message Authentication", RFC 2104, February
+ 1997.
+
+ [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
+ Requirement Levels", BCP 14, RFC 2119, March 1997.
+
+ [RFC2401] Kent, S. and R. Atkinson, "Security Architecture for
+ Internet Protocol", RFC 2401, November 1998.
+
+ [RFC2828] Shirey, R., "Internet Security Glossary", FYI 36, RFC 2828,
+ May 2000.
+
+ [RFC3550] Schulzrinne, H., Casner, S., Frederick, R. and V. Jacobson,
+ "RTP: A Transport Protocol for Real-time Applications", RFC
+ 3550, July 2003.
+
+ [RFC3551] Schulzrinne, H. and S. Casner, "RTP Profile for Audio and
+ Video Conferences with Minimal Control", RFC 3551, July
+ 2003.
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 47]
+
+RFC 3711 SRTP March 2004
+
+
+14.2. Informative References
+
+ [AES-CTR] Lipmaa, H., Rogaway, P. and D. Wagner, "CTR-Mode
+ Encryption", NIST, http://csrc.nist.gov/encryption/modes/
+ workshop1/papers/lipmaa-ctr.pdf
+
+ [B96] Bellovin, S., "Problem Areas for the IP Security
+ Protocols," in Proceedings of the Sixth Usenix Unix
+ Security Symposium, pp. 1-16, San Jose, CA, July 1996
+ (http://www.research.att.com/~smb/papers/index.html).
+
+ [BDJR] Bellare, M., Desai, A., Jokipii, E. and P. Rogaway, "A
+ Concrete Treatment of Symmetric Encryption: Analysis of DES
+ Modes of Operation", Proceedings 38th IEEE FOCS, pp. 394-
+ 403, 1997.
+
+ [BS00] Biryukov, A. and A. Shamir, "Cryptanalytic Time/Memory/Data
+ Tradeoffs for Stream Ciphers", Proceedings, ASIACRYPT 2000,
+ LNCS 1976, pp. 1-13, Springer Verlag.
+
+ [C99] Crowell, W. P., "Introduction to the VENONA Project",
+ http://www.nsa.gov:8080/docs/venona/index.html.
+
+ [CTR] Dworkin, M., NIST Special Publication 800-38A,
+ "Recommendation for Block Cipher Modes of Operation:
+ Methods and Techniques", 2001.
+ http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-
+ 38a.pdf.
+
+ [f8-a] 3GPP TS 35.201 V4.1.0 (2001-12) Technical Specification 3rd
+ Generation Partnership Project; Technical Specification
+ Group Services and System Aspects; 3G Security;
+ Specification of the 3GPP Confidentiality and Integrity
+ Algorithms; Document 1: f8 and f9 Specification (Release
+ 4).
+
+ [f8-b] 3GPP TR 33.908 V4.0.0 (2001-09) Technical Report 3rd
+ Generation Partnership Project; Technical Specification
+ Group Services and System Aspects; 3G Security; General
+ Report on the Design, Specification and Evaluation of 3GPP
+ Standard Confidentiality and Integrity Algorithms (Release
+ 4).
+
+ [GDOI] Baugher, M., Weis, B., Hardjono, T. and H. Harney, "The
+ Group Domain of Interpretation, RFC 3547, July 2003.
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 48]
+
+RFC 3711 SRTP March 2004
+
+
+ [HAC] Menezes, A., Van Oorschot, P. and S. Vanstone, "Handbook
+ of Applied Cryptography", CRC Press, 1997, ISBN 0-8493-
+ 8523-7.
+
+ [H80] Hellman, M. E., "A cryptanalytic time-memory trade-off",
+ IEEE Transactions on Information Theory, July 1980, pp.
+ 401-406.
+
+ [IK] T. Iwata and T. Kohno: "New Security Proofs for the 3GPP
+ Confidentiality and Integrity Algorithms", Proceedings of
+ FSE 2004.
+
+ [KINK] Thomas, M. and J. Vilhuber, "Kerberized Internet
+ Negotiation of Keys (KINK)", Work in Progress.
+
+ [KEYMGT] Arrko, J., et al., "Key Management Extensions for Session
+ Description Protocol (SDP) and Real Time Streaming Protocol
+ (RTSP)", Work in Progress.
+
+ [KSYH] Kang, J-S., Shin, S-U., Hong, D. and O. Yi, "Provable
+ Security of KASUMI and 3GPP Encryption Mode f8",
+ Proceedings Asiacrypt 2001, Springer Verlag LNCS 2248, pp.
+ 255-271, 2001.
+
+ [MIKEY] Arrko, J., et. al., "MIKEY: Multimedia Internet KEYing",
+ Work in Progress.
+
+ [MF00] McGrew, D. and S. Fluhrer, "Attacks on Encryption of
+ Redundant Plaintext and Implications on Internet Security",
+ the Proceedings of the Seventh Annual Workshop on Selected
+ Areas in Cryptography (SAC 2000), Springer-Verlag.
+
+ [PCST1] Perrig, A., Canetti, R., Tygar, D. and D. Song, "Efficient
+ and Secure Source Authentication for Multicast", in Proc.
+ of Network and Distributed System Security Symposium NDSS
+ 2001, pp. 35-46, 2001.
+
+ [PCST2] Perrig, A., Canetti, R., Tygar, D. and D. Song, "Efficient
+ Authentication and Signing of Multicast Streams over Lossy
+ Channels", in Proc. of IEEE Security and Privacy Symposium
+ S&P2000, pp. 56-73, 2000.
+
+ [RFC1750] Eastlake, D., Crocker, S. and J. Schiller, "Randomness
+ Recommendations for Security", RFC 1750, December 1994.
+
+ [RFC2675] Borman, D., Deering, S. and R. Hinden, "IPv6 Jumbograms",
+ RFC 2675, August 1999.
+
+
+
+
+Baugher, et al. Standards Track [Page 49]
+
+RFC 3711 SRTP March 2004
+
+
+ [RFC3095] Bormann, C., Burmeister, C., Degermark, M., Fukuhsima, H.,
+ Hannu, H., Jonsson, L-E., Hakenberg, R., Koren, T., Le, K.,
+ Liu, Z., Martensson, A., Miyazaki, A., Svanbro, K., Wiebke,
+ T., Yoshimura, T. and H. Zheng, "RObust Header Compression:
+ Framework and Four Profiles: RTP, UDP, ESP, and
+ uncompressed (ROHC)", RFC 3095, July 2001.
+
+ [RFC3242] Jonsson, L-E. and G. Pelletier, "RObust Header Compression
+ (ROHC): A Link-Layer Assisted Profile for IP/UDP/RTP ", RFC
+ 3242, April 2002.
+
+ [SDMS] Andreasen, F., Baugher, M. and D. Wing, "Session
+ Description Protocol Security Descriptions for Media
+ Streams", Work in Progress.
+
+ [SWO] Svanbro, K., Wiorek, J. and B. Olin, "Voice-over-IP-over-
+ wireless", Proc. PIMRC 2000, London, Sept. 2000.
+
+ [V02] Vaudenay, S., "Security Flaws Induced by CBC Padding -
+ Application to SSL, IPsec, WTLS...", Advances in
+ Cryptology, EUROCRYPT'02, LNCS 2332, pp. 534-545.
+
+ [WC81] Wegman, M. N., and J.L. Carter, "New Hash Functions and
+ Their Use in Authentication and Set Equality", JCSS 22,
+ 265-279, 1981.
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 50]
+
+RFC 3711 SRTP March 2004
+
+
+Appendix A: Pseudocode for Index Determination
+
+ The following is an example of pseudo-code for the algorithm to
+ determine the index i of an SRTP packet with sequence number SEQ. In
+ the following, signed arithmetic is assumed.
+
+ if (s_l < 32,768)
+ if (SEQ - s_l > 32,768)
+ set v to (ROC-1) mod 2^32
+ else
+ set v to ROC
+ endif
+ else
+ if (s_l - 32,768 > SEQ)
+ set v to (ROC+1) mod 2^32
+ else
+ set v to ROC
+ endif
+ endif
+ return SEQ + v*65,536
+
+Appendix B: Test Vectors
+
+ All values are in hexadecimal.
+
+B.1. AES-f8 Test Vectors
+
+ SRTP PREFIX LENGTH : 0
+
+ RTP packet header : 806e5cba50681de55c621599
+
+ RTP packet payload : 70736575646f72616e646f6d6e657373
+ 20697320746865206e65787420626573
+ 74207468696e67
+
+ ROC : d462564a
+ key : 234829008467be186c3de14aae72d62c
+ salt key : 32f2870d
+ key-mask (m) : 32f2870d555555555555555555555555
+ key XOR key-mask : 11baae0dd132eb4d3968b41ffb278379
+
+ IV : 006e5cba50681de55c621599d462564a
+ IV' : 595b699bbd3bc0df26062093c1ad8f73
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 51]
+
+RFC 3711 SRTP March 2004
+
+
+ j = 0
+ IV' xor j : 595b699bbd3bc0df26062093c1ad8f73
+ S(-1) : 00000000000000000000000000000000
+ IV' xor S(-1) xor j : 595b699bbd3bc0df26062093c1ad8f73
+ S(0) : 71ef82d70a172660240709c7fbb19d8e
+ plaintext : 70736575646f72616e646f6d6e657373
+ ciphertext : 019ce7a26e7854014a6366aa95d4eefd
+
+ j = 1
+ IV' xor j : 595b699bbd3bc0df26062093c1ad8f72
+ S(0) : 71ef82d70a172660240709c7fbb19d8e
+ IV' xor S(0) xor j : 28b4eb4cb72ce6bf020129543a1c12fc
+ S(1) : 3abd640a60919fd43bd289a09649b5fc
+ plaintext : 20697320746865206e65787420626573
+ ciphertext : 1ad4172a14f9faf455b7f1d4b62bd08f
+
+ j = 2
+ IV' xor j : 595b699bbd3bc0df26062093c1ad8f71
+ S(1) : 3abd640a60919fd43bd289a09649b5fc
+ IV' xor S(1) xor j : 63e60d91ddaa5f0b1dd4a93357e43a8d
+ S(2) : 220c7a8715266565b09ecc8a2a62b11b
+ plaintext : 74207468696e67
+ ciphertext : 562c0eef7c4802
+
+B.2. AES-CM Test Vectors
+
+ Keystream segment length: 1044512 octets (65282 AES blocks)
+ Session Key: 2B7E151628AED2A6ABF7158809CF4F3C
+ Rollover Counter: 00000000
+ Sequence Number: 0000
+ SSRC: 00000000
+ Session Salt: F0F1F2F3F4F5F6F7F8F9FAFBFCFD0000 (already shifted)
+ Offset: F0F1F2F3F4F5F6F7F8F9FAFBFCFD0000
+
+ Counter Keystream
+
+ F0F1F2F3F4F5F6F7F8F9FAFBFCFD0000 E03EAD0935C95E80E166B16DD92B4EB4
+ F0F1F2F3F4F5F6F7F8F9FAFBFCFD0001 D23513162B02D0F72A43A2FE4A5F97AB
+ F0F1F2F3F4F5F6F7F8F9FAFBFCFD0002 41E95B3BB0A2E8DD477901E4FCA894C0
+ ... ...
+ F0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF EC8CDF7398607CB0F2D21675EA9EA1E4
+ F0F1F2F3F4F5F6F7F8F9FAFBFCFDFF00 362B7C3C6773516318A077D7FC5073AE
+ F0F1F2F3F4F5F6F7F8F9FAFBFCFDFF01 6A2CC3787889374FBEB4C81B17BA6C44
+
+ Nota Bene: this test case is contrived so that the latter part of the
+ keystream segment coincides with the test case in Section F.5.1 of
+ [CTR].
+
+
+
+
+Baugher, et al. Standards Track [Page 52]
+
+RFC 3711 SRTP March 2004
+
+
+B.3. Key Derivation Test Vectors
+
+ This section provides test data for the default key derivation
+ function, which uses AES-128 in Counter Mode. In the following, we
+ walk through the initial key derivation for the AES-128 Counter Mode
+ cipher, which requires a 16 octet session encryption key and a 14
+ octet session salt, and an authentication function which requires a
+ 94-octet session authentication key. These values are called the
+ cipher key, the cipher salt, and the auth key in the following.
+ Since this is the initial key derivation and the key derivation rate
+ is equal to zero, the value of (index DIV key_derivation_rate) is
+ zero (actually, a six-octet string of zeros). In the following, we
+ shorten key_derivation_rate to kdr.
+
+ The inputs to the key derivation function are the 16 octet master key
+ and the 14 octet master salt:
+
+ master key: E1F97A0D3E018BE0D64FA32C06DE4139
+ master salt: 0EC675AD498AFEEBB6960B3AABE6
+
+ We first show how the cipher key is generated. The input block for
+ AES-CM is generated by exclusive-oring the master salt with the
+ concatenation of the encryption key label 0x00 with (index DIV kdr),
+ then padding on the right with two null octets (which implements the
+ multiply-by-2^16 operation, see Section 4.3.3). The resulting value
+ is then AES-CM- encrypted using the master key to get the cipher key.
+
+ index DIV kdr: 000000000000
+ label: 00
+ master salt: 0EC675AD498AFEEBB6960B3AABE6
+ -----------------------------------------------
+ xor: 0EC675AD498AFEEBB6960B3AABE6 (x, PRF input)
+
+ x*2^16: 0EC675AD498AFEEBB6960B3AABE60000 (AES-CM input)
+
+ cipher key: C61E7A93744F39EE10734AFE3FF7A087 (AES-CM output)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 53]
+
+RFC 3711 SRTP March 2004
+
+
+ Next, we show how the cipher salt is generated. The input block for
+ AES-CM is generated by exclusive-oring the master salt with the
+ concatenation of the encryption salt label. That value is padded and
+ encrypted as above.
+
+ index DIV kdr: 000000000000
+ label: 02
+ master salt: 0EC675AD498AFEEBB6960B3AABE6
+
+ ----------------------------------------------
+ xor: 0EC675AD498AFEE9B6960B3AABE6 (x, PRF input)
+
+ x*2^16: 0EC675AD498AFEE9B6960B3AABE60000 (AES-CM input)
+
+ 30CBBC08863D8C85D49DB34A9AE17AC6 (AES-CM ouptut)
+
+ cipher salt: 30CBBC08863D8C85D49DB34A9AE1
+
+ We now show how the auth key is generated. The input block for AES-
+ CM is generated as above, but using the authentication key label.
+
+ index DIV kdr: 000000000000
+ label: 01
+ master salt: 0EC675AD498AFEEBB6960B3AABE6
+ -----------------------------------------------
+ xor: 0EC675AD498AFEEAB6960B3AABE6 (x, PRF input)
+
+ x*2^16: 0EC675AD498AFEEAB6960B3AABE60000 (AES-CM input)
+
+ Below, the auth key is shown on the left, while the corresponding AES
+ input blocks are shown on the right.
+
+ auth key AES input blocks
+ CEBE321F6FF7716B6FD4AB49AF256A15 0EC675AD498AFEEAB6960B3AABE60000
+ 6D38BAA48F0A0ACF3C34E2359E6CDBCE 0EC675AD498AFEEAB6960B3AABE60001
+ E049646C43D9327AD175578EF7227098 0EC675AD498AFEEAB6960B3AABE60002
+ 6371C10C9A369AC2F94A8C5FBCDDDC25 0EC675AD498AFEEAB6960B3AABE60003
+ 6D6E919A48B610EF17C2041E47403576 0EC675AD498AFEEAB6960B3AABE60004
+ 6B68642C59BBFC2F34DB60DBDFB2 0EC675AD498AFEEAB6960B3AABE60005
+
+
+
+
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 54]
+
+RFC 3711 SRTP March 2004
+
+
+Authors' Addresses
+
+ Questions and comments should be directed to the authors and
+ avt@ietf.org:
+
+ Mark Baugher
+ Cisco Systems, Inc.
+ 5510 SW Orchid Street
+ Portland, OR 97219 USA
+
+ Phone: +1 408-853-4418
+ EMail: mbaugher@cisco.com
+
+
+ Elisabetta Carrara
+ Ericsson Research
+ SE-16480 Stockholm
+ Sweden
+
+ Phone: +46 8 50877040
+ EMail: elisabetta.carrara@ericsson.com
+
+
+ David A. McGrew
+ Cisco Systems, Inc.
+ San Jose, CA 95134-1706
+ USA
+
+ Phone: +1 301-349-5815
+ EMail: mcgrew@cisco.com
+
+
+ Mats Naslund
+ Ericsson Research
+ SE-16480 Stockholm
+ Sweden
+
+ Phone: +46 8 58533739
+ EMail: mats.naslund@ericsson.com
+
+
+ Karl Norrman
+ Ericsson Research
+ SE-16480 Stockholm
+ Sweden
+
+ Phone: +46 8 4044502
+ EMail: karl.norrman@ericsson.com
+
+
+
+Baugher, et al. Standards Track [Page 55]
+
+RFC 3711 SRTP March 2004
+
+
+Full Copyright Statement
+
+ Copyright (C) The Internet Society (2004). This document is subject
+ to the rights, licenses and restrictions contained in BCP 78 and
+ except as set forth therein, the authors retain all their rights.
+
+ This document and the information contained herein are provided on an
+ "AS IS" basis and THE CONTRIBUTOR, THE ORGANIZATION HE/SHE REPRESENTS
+ OR IS SPONSORED BY (IF ANY), THE INTERNET SOCIETY AND THE INTERNET
+ ENGINEERING TASK FORCE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED,
+ INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE
+ INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED
+ WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+
+Intellectual Property
+
+ The IETF takes no position regarding the validity or scope of any
+ Intellectual Property Rights or other rights that might be claimed to
+ pertain to the implementation or use of the technology described in
+ this document or the extent to which any license under such rights
+ might or might not be available; nor does it represent that it has
+ made any independent effort to identify any such rights. Information
+ on the procedures with respect to rights in RFC documents can be
+ found in BCP 78 and BCP 79.
+
+ Copies of IPR disclosures made to the IETF Secretariat and any
+ assurances of licenses to be made available, or the result of an
+ attempt made to obtain a general license or permission for the use of
+ such proprietary rights by implementers or users of this
+ specification can be obtained from the IETF on-line IPR repository at
+ http://www.ietf.org/ipr.
+
+ The IETF invites any interested party to bring to its attention any
+ copyrights, patents or patent applications, or other proprietary
+ rights that may cover technology that may be required to implement
+ this standard. Please address the information to the IETF at ietf-
+ ipr@ietf.org.
+
+Acknowledgement
+
+ Funding for the RFC Editor function is currently provided by the
+ Internet Society.
+
+
+
+
+
+
+
+
+
+Baugher, et al. Standards Track [Page 56]
+
diff --git a/googlepatches/google-10-srtp-ios-fixes.pack b/googlepatches/google-10-srtp-ios-fixes.pack
new file mode 100644
index 0000000..53d0c88
--- /dev/null
+++ b/googlepatches/google-10-srtp-ios-fixes.pack
@@ -0,0 +1,99 @@
+Change 19593349 by seh@seh-gcomm_android on 2011/02/18 16:57:20 *pending*
+
+ Merge in changes from GComm for mobile's version.
+
+ PRESUBMIT=passed
+ R=astor,hta,juberti,mikaelp,tschmelcher
+ CC=a2a-mobile
+ DELTA=7 (3 added, 0 deleted, 4 changed)
+ OCL=19593349
+
+Affected files ...
+
+... //depot/google3/third_party/libsrtp/README.google#6 edit
+... //depot/google3/third_party/libsrtp/crypto/ae_xfm/xfm.c#4 edit
+... //depot/google3/third_party/libsrtp/crypto/cipher/aes_icm.c#4 edit
+... //depot/google3/third_party/libsrtp/crypto/include/config.h#5 edit
+... //depot/google3/third_party/libsrtp/srtp/ekt.c#3 edit
+
+==== //depot/google3/third_party/libsrtp/README.google#6 - /Users/seh/dev/source/gcomm_android/google3/third_party/libsrtp/README.google ====
+# action=edit type=text
+--- google3/third_party/libsrtp/README.google 2011-02-18 17:17:34.000000000 -0800
++++ google3/third_party/libsrtp/README.google 2011-02-18 17:31:53.000000000 -0800
+@@ -19,3 +19,6 @@
+ - applied a security fix to not accept unencrypted SRTP unless specified by policy.
+ - applied a fix to not crash when receiving a RTCP packet that had a much larger sequence number than the previous RTCP packet
+ - all patches are stored individually in the googlepatches subdirectory
++- iOS related changes.
++ undefine HAVE_BYTESWAP_H in config.h
++ Fix debug build compile errors: added static keyword to inline methods and undefined DEBUG before #define DEBUG
+\ No newline at end of file
+==== //depot/google3/third_party/libsrtp/crypto/ae_xfm/xfm.c#4 - /Users/seh/dev/source/gcomm_android/google3/third_party/libsrtp/crypto/ae_xfm/xfm.c ====
+# action=edit type=text
+--- google3/third_party/libsrtp/crypto/ae_xfm/xfm.c 2011-02-18 16:57:41.000000000 -0800
++++ google3/third_party/libsrtp/crypto/ae_xfm/xfm.c 2011-02-18 16:09:33.000000000 -0800
+@@ -177,6 +177,7 @@
+
+ #define ENC 1
+
++#undef DEBUG
+ #define DEBUG 0
+
+ err_status_t
+==== //depot/google3/third_party/libsrtp/crypto/cipher/aes_icm.c#4 - /Users/seh/dev/source/gcomm_android/google3/third_party/libsrtp/crypto/cipher/aes_icm.c ====
+# action=edit type=text
+--- google3/third_party/libsrtp/crypto/cipher/aes_icm.c 2011-02-18 16:57:41.000000000 -0800
++++ google3/third_party/libsrtp/crypto/cipher/aes_icm.c 2011-02-18 16:47:09.000000000 -0800
+@@ -285,7 +285,7 @@
+ * this is an internal, hopefully inlined function
+ */
+
+-inline void
++static inline void
+ aes_icm_advance_ismacryp(aes_icm_ctx_t *c, uint8_t forIsmacryp) {
+ /* fill buffer with new keystream */
+ v128_copy(&c->keystream_buffer, &c->counter);
+==== //depot/google3/third_party/libsrtp/crypto/include/config.h#5 - /Users/seh/dev/source/gcomm_android/google3/third_party/libsrtp/crypto/include/config.h ====
+# action=edit type=text
+--- google3/third_party/libsrtp/crypto/include/config.h 2011-02-18 16:57:41.000000000 -0800
++++ google3/third_party/libsrtp/crypto/include/config.h 2011-02-18 16:41:52.000000000 -0800
+@@ -193,6 +193,8 @@
+ #define inline
+ #endif
+ typedef short int16_t;
++#elif defined(IOS)
++#undef HAVE_BYTESWAP_H
+ /* Adjustments to build on MacOS. */
+ #elif defined(OSX)
+ #undef DEV_URANDOM
+==== //depot/google3/third_party/libsrtp/srtp/ekt.c#3 - /Users/seh/dev/source/gcomm_android/google3/third_party/libsrtp/srtp/ekt.c ====
+# action=edit type=text
+--- google3/third_party/libsrtp/srtp/ekt.c 2011-02-18 16:57:41.000000000 -0800
++++ google3/third_party/libsrtp/srtp/ekt.c 2011-02-18 16:51:58.000000000 -0800
+@@ -90,7 +90,7 @@
+ return 0;
+ }
+
+-inline ekt_spi_t
++static inline ekt_spi_t
+ srtcp_packet_get_ekt_spi(const uint8_t *packet_start, unsigned pkt_octet_len) {
+ const uint8_t *spi_location;
+
+@@ -99,7 +99,7 @@
+ return *((const ekt_spi_t *)spi_location);
+ }
+
+-inline uint32_t
++static inline uint32_t
+ srtcp_packet_get_ekt_roc(const uint8_t *packet_start, unsigned pkt_octet_len) {
+ const uint8_t *roc_location;
+
+@@ -108,7 +108,7 @@
+ return *((const uint32_t *)roc_location);
+ }
+
+-inline const uint8_t *
++static inline const uint8_t *
+ srtcp_packet_get_emk_location(const uint8_t *packet_start,
+ unsigned pkt_octet_len) {
+ const uint8_t *location;
diff --git a/googlepatches/google-11-srtp-replay-fix.patch b/googlepatches/google-11-srtp-replay-fix.patch
new file mode 100644
index 0000000..46d3f7f
--- /dev/null
+++ b/googlepatches/google-11-srtp-replay-fix.patch
@@ -0,0 +1,107 @@
+==== //depot/google3/third_party/libsrtp/README.google#8 - None ====
+# action=edit type=text
+--- google3/third_party/libsrtp/README.google 2011-02-22 19:05:30.000000000 -0800
++++ google3/third_party/libsrtp/README.google 2011-05-27 17:56:49.000000000 -0700
+@@ -21,4 +21,6 @@
+ - all patches are stored individually in the googlepatches subdirectory
+ - iOS related changes.
+ undefine HAVE_BYTESWAP_H in config.h
+- Fix debug build compile errors: added static keyword to inline methods and undefined DEBUG before #define DEBUG
+\ No newline at end of file
++ Fix debug build compile errors: added static keyword to inline methods and undefined DEBUG before #define DEBUG
++- Fixed a bug related to replay detection when sequence number rolls back
++ arround 0. (Currently contacting libsrtp developers for upstream.)
+==== //depot/google3/third_party/libsrtp/crypto/replay/rdbx.c#5 - None ====
+# action=edit type=text
+--- google3/third_party/libsrtp/crypto/replay/rdbx.c 2010-02-25 06:36:30.000000000 -0800
++++ google3/third_party/libsrtp/crypto/replay/rdbx.c 2011-05-27 17:56:49.000000000 -0700
+@@ -145,7 +145,16 @@
+ if (local_seq < seq_num_median) {
+ if (s - local_seq > seq_num_median) {
+ guess_roc = local_roc - 1;
+- difference = seq_num_max - s + local_seq;
++ // The return value is the relative difference from local_seq to s.
++ // The original value is negation of its purpose. According to document
++ // http://www.ietf.org/rfc/rfc3711.txt, when this condition is true, the
++ // resulting new index should be (local_roc-1, s). But original logic
++ // will end up positive difference and rdbx_check would pass. Hence after
++ // rdbx_add_index would make local index to be the wrong value because
++ // local index should not be updated in this case. For example, when
++ // local index is (1, 100) and next sequence is 65530, the wrong updated
++ // index would be (1, 205).
++ difference = s - local_seq - seq_num_max;
+ } else {
+ guess_roc = local_roc;
+ difference = s - local_seq;
+==== //depot/google3/third_party/libsrtp/test/rdbx_driver.c#5 - None ====
+# action=edit type=text
+--- google3/third_party/libsrtp/test/rdbx_driver.c 2010-02-25 06:36:30.000000000 -0800
++++ google3/third_party/libsrtp/test/rdbx_driver.c 2011-05-27 17:56:49.000000000 -0700
+@@ -226,7 +226,7 @@
+ * test sequential insertion
+ */
+ printf("\ttesting sequential insertion...");
+- for (idx=0; idx < num_trials; idx++) {
++ for (idx=0; idx < (uint32_t)num_trials; idx++) {
+ status = rdbx_check_add(&rdbx, idx);
+ if (status)
+ return status;
+@@ -245,7 +245,7 @@
+ printf("warning: no false positive tests performed\n");
+ }
+ printf("\ttesting for false positives...");
+- for (idx=0; idx < num_fp_trials; idx++) {
++ for (idx=0; idx < (uint32_t)num_fp_trials; idx++) {
+ status = rdbx_check_expect_failure(&rdbx, idx);
+ if (status)
+ return status;
+@@ -269,12 +269,34 @@
+ ut_init(&utc);
+
+ printf("\ttesting non-sequential insertion...");
+- for (idx=0; idx < num_trials; idx++) {
++ for (idx=0; idx < (uint32_t)num_trials; idx++) {
+ ircvd = ut_next_index(&utc);
+ status = rdbx_check_unordered(&rdbx, ircvd);
+ if (status)
+ return status;
+ }
++ printf("passed\n");
++
++ /*
++ * test a replay condition close to zero.
++ */
++ rdbx_uninit(&rdbx);
++
++ if (rdbx_init(&rdbx, ws) != err_status_ok) {
++ printf("replay_init failed\n");
++ return err_status_init_fail;
++ }
++
++ printf("\ttesting replay close to zero...");
++ status = rdbx_check_add(&rdbx, 1);
++ if (status)
++ return status;
++ status = rdbx_check_expect_failure(&rdbx, 64500);
++ if (status)
++ return status;
++ status = rdbx_check_add(&rdbx, 2);
++ if (status)
++ return status;
+ printf("passed\n");
+
+ rdbx_uninit(&rdbx);
+@@ -303,7 +325,7 @@
+
+ failures = 0;
+ timer = clock();
+- for(i=0; i < num_trials; i++) {
++ for(i=0; i < (uint32_t)num_trials; i++) {
+
+ delta = index_guess(&rdbx.index, &est, i);
+
+@@ -321,4 +343,3 @@
+
+ return (double) CLOCKS_PER_SEC * num_trials / timer;
+ }
+-
diff --git a/googlepatches/google-12-srtp-hide-aes-tables-main.patch b/googlepatches/google-12-srtp-hide-aes-tables-main.patch
new file mode 100644
index 0000000..4f571bf
--- /dev/null
+++ b/googlepatches/google-12-srtp-hide-aes-tables-main.patch
@@ -0,0 +1,50 @@
+Change 22848094 by param@param-gcomm-server on 2011/07/29 11:51:00 *pending*
+
+ Make main in aes_tables hidable.
+
+ PRESUBMIT=passed
+ R=tschmelcher,jacobly
+ CC=a2a-mobile,third-party-owners
+ DELTA=7 (7 added, 0 deleted, 0 changed)
+ OCL=22848094
+ BUG=5096975
+
+Affected files ...
+
+... //depot/google3/third_party/libsrtp/README.google#9 edit
+... //depot/google3/third_party/libsrtp/tables/aes_tables.c#4 edit
+
+==== //depot/google3/third_party/libsrtp/README.google#9 - /home/param/sources/gcomm-server/google3/third_party/libsrtp/README.google ====
+# action=edit type=text
+--- google3/third_party/libsrtp/README.google 2011-07-22 15:49:10.000000000 -0700
++++ google3/third_party/libsrtp/README.google 2011-08-08 11:37:50.000000000 -0700
+@@ -25,3 +25,7 @@
+ - Fixed a bug related to replay detection when sequence number rolls back
+ arround 0. (Currently contacting libsrtp developers for upstream.)
+ - Adding public.mk and Android.mk for building android flavour of libsrtp.
++- Make main in tables/aes_tables.c hidable. If it is present, it conflicts
++ with main in the application and cause link error when all_load flag is
++ present for the linker command. Can be now hidden using flag
++ HIDE_AES_TABLES_MAIN
+==== //depot/google3/third_party/libsrtp/tables/aes_tables.c#4 - /home/param/sources/gcomm-server/google3/third_party/libsrtp/tables/aes_tables.c ====
+# action=edit type=text
+--- google3/third_party/libsrtp/tables/aes_tables.c 2010-02-25 06:36:30.000000000 -0800
++++ google3/third_party/libsrtp/tables/aes_tables.c 2011-07-29 11:52:25.000000000 -0700
+@@ -198,6 +198,8 @@
+
+ #define TABLES_32BIT 1
+
++#ifndef HIDE_AES_TABLES_MAIN
++
+ int
+ main(void) {
+ int i;
+@@ -309,6 +311,8 @@
+
+ return 0;
+ }
++
++#endif // HIDE_AES_TABLES_MAIN
+
+ #if AES_INVERSE_TEST
+
diff --git a/googlepatches/google-5-buffer-overflow.patch b/googlepatches/google-5-buffer-overflow.patch
new file mode 100644
index 0000000..88d23ce
--- /dev/null
+++ b/googlepatches/google-5-buffer-overflow.patch
@@ -0,0 +1,35 @@
+diff --git a/google3/third_party/libsrtp/crypto/cipher/aes_icm.c b/google3/third_party/libsrtp/crypto/cipher/aes_icm.c
+index d333899..45714c0 100644
+--- a/google3/third_party/libsrtp/crypto/cipher/aes_icm.c
++++ b/google3/third_party/libsrtp/crypto/cipher/aes_icm.c
+@@ -164,18 +164,20 @@ aes_icm_dealloc(cipher_t *c) {
+ err_status_t
+ aes_icm_context_init(aes_icm_ctx_t *c, const uint8_t *key) {
+ v128_t tmp_key;
++ int i;
+
+ /* set counter and initial values to 'offset' value */
+ /* FIX!!! this assumes the salt is at key + 16, and thus that the */
+- /* FIX!!! cipher key length is 16! Also note this copies past the
+- end of the 'key' array by 2 bytes! */
+- v128_copy_octet_string(&c->counter, key + 16);
+- v128_copy_octet_string(&c->offset, key + 16);
++ /* FIX!!! cipher key length is 16! */
++ for (i = 0; i < 14; i++) {
++ c->counter.v8[i] = key[16 + i];
++ c->offset.v8[i] = key[16 + i];
++ }
+
+ /* force last two octets of the offset to zero (for srtp compatibility) */
+ c->offset.v8[14] = c->offset.v8[15] = 0;
+ c->counter.v8[14] = c->counter.v8[15] = 0;
+-
++
+ /* set tmp_key (for alignment) */
+ v128_copy_octet_string(&tmp_key, key);
+
+@@ -508,4 +510,3 @@ cipher_type_t aes_icm = {
+ (cipher_test_case_t *) &aes_icm_test_case_0,
+ (debug_module_t *) &mod_aes_icm
+ };
+-
diff --git a/googlepatches/google-6-srtp-driver-fix.patch b/googlepatches/google-6-srtp-driver-fix.patch
new file mode 100644
index 0000000..7d82e74
--- /dev/null
+++ b/googlepatches/google-6-srtp-driver-fix.patch
@@ -0,0 +1,29 @@
+diff --git a/google3/third_party/libsrtp/test/srtp_driver.c b/google3/third_party/libsrtp/test/srtp_driver.c
+index 9bd4c66..f6a84f9 100644
+--- a/google3/third_party/libsrtp/test/srtp_driver.c
++++ b/google3/third_party/libsrtp/test/srtp_driver.c
+@@ -138,7 +138,7 @@ debug_module_t mod_driver = {
+
+ int
+ main (int argc, char *argv[]) {
+- char q;
++ int q;
+ unsigned do_timing_test = 0;
+ unsigned do_rejection_test = 0;
+ unsigned do_codec_timing = 0;
+@@ -169,13 +169,13 @@ main (int argc, char *argv[]) {
+ if (status) {
+ printf("error: load of srtp_driver debug module failed "
+ "with error code %d\n", status);
+- exit(1);
++ exit(1);
+ }
+
+ /* process input arguments */
+ while (1) {
+ q = getopt_s(argc, argv, "trcvld:");
+- if (q == -1)
++ if (q == -1)
+ break;
+ switch (q) {
+ case 't':
diff --git a/googlepatches/google-7-srtp-security-fix.patch b/googlepatches/google-7-srtp-security-fix.patch
new file mode 100644
index 0000000..54e3e9e
--- /dev/null
+++ b/googlepatches/google-7-srtp-security-fix.patch
@@ -0,0 +1,91 @@
+diff --git a/google3/third_party/libsrtp/crypto/include/integers.h b/google3/third_party/libsrtp/crypto/include/integers.h
+index 7010efd..3515d13 100644
+--- a/google3/third_party/libsrtp/crypto/include/integers.h
++++ b/google3/third_party/libsrtp/crypto/include/integers.h
+@@ -98,7 +98,6 @@ typedef unsigned short int uint16_t;
+ typedef unsigned int uint32_t;
+ #endif
+
+-
+ #ifdef NO_64BIT_MATH
+ typedef double uint64_t;
+ /* assert that sizeof(double) == 8 */
+diff --git a/google3/third_party/libsrtp/include/srtp.h b/google3/third_party/libsrtp/include/srtp.h
+index 7f17853..bbaac95 100644
+--- a/google3/third_party/libsrtp/include/srtp.h
++++ b/google3/third_party/libsrtp/include/srtp.h
+@@ -50,10 +50,6 @@
+ extern "C" {
+ #endif
+
+-#ifdef _MSC_VER
+-#pragma pack(4)
+-#endif
+-
+ #include "crypto_kernel.h"
+
+ /**
+@@ -930,10 +926,6 @@ srtp_install_event_handler(srtp_event_handler_func_t func);
+ #define SRTCP_E_BYTE_BIT 0x80
+ #define SRTCP_INDEX_MASK 0x7fffffff
+
+-#ifdef _MSC_VER
+-#pragma pack()
+-#endif
+-
+ #ifdef __cplusplus
+ }
+ #endif
+diff --git a/google3/third_party/libsrtp/srtp/srtp.c b/google3/third_party/libsrtp/srtp/srtp.c
+index 6010dd4..3fc52ee 100644
+--- a/google3/third_party/libsrtp/srtp/srtp.c
++++ b/google3/third_party/libsrtp/srtp/srtp.c
+@@ -1657,6 +1657,8 @@ srtp_unprotect_rtcp(srtp_t ctx, void *srtcp_hdr, int *pkt_octet_len) {
+ srtp_stream_ctx_t *stream;
+ int prefix_len;
+ uint32_t seq_num;
++ int e_bit_in_packet; /* whether the E-bit was found in the packet */
++ int sec_serv_confidentiality; /* whether confidentiality was requested */
+
+ /* we assume the hdr is 32-bit aligned to start */
+ /*
+@@ -1694,7 +1696,10 @@ srtp_unprotect_rtcp(srtp_t ctx, void *srtcp_hdr, int *pkt_octet_len) {
+ return err_status_no_ctx;
+ }
+ }
+-
++
++ sec_serv_confidentiality = stream->rtcp_services == sec_serv_conf ||
++ stream->rtcp_services == sec_serv_conf_and_auth;
++
+ /* get tag length from stream context */
+ tag_len = auth_get_tag_length(stream->rtcp_auth);
+
+@@ -1714,8 +1719,12 @@ srtp_unprotect_rtcp(srtp_t ctx, void *srtcp_hdr, int *pkt_octet_len) {
+ */
+ trailer = (uint32_t *) ((char *) hdr +
+ *pkt_octet_len -(tag_len + sizeof(srtcp_trailer_t)));
+- if (*((unsigned char *) trailer) & SRTCP_E_BYTE_BIT) {
+- enc_start = (uint32_t *)hdr + uint32s_in_rtcp_header;
++ e_bit_in_packet = (*((unsigned char *) trailer) & SRTCP_E_BYTE_BIT) == SRTCP_E_BYTE_BIT;
++ if (e_bit_in_packet != sec_serv_confidentiality) {
++ return err_status_cant_check;
++ }
++ if (sec_serv_confidentiality) {
++ enc_start = (uint32_t *)hdr + uint32s_in_rtcp_header;
+ } else {
+ enc_octet_len = 0;
+ enc_start = NULL; /* this indicates that there's no encryption */
+diff --git a/google3/third_party/libsrtp/test/srtp_driver.c b/google3/third_party/libsrtp/test/srtp_driver.c
+index f6a84f9..3c97072 100644
+--- a/google3/third_party/libsrtp/test/srtp_driver.c
++++ b/google3/third_party/libsrtp/test/srtp_driver.c
+@@ -1246,7 +1246,7 @@ srtp_create_big_policy(srtp_policy_t **list) {
+ * loop over policy list, mallocing a new list and copying values
+ * into it (and incrementing the SSRC value as we go along)
+ */
+- tmp = NULL;
++ tmp = p = NULL;
+ while (policy_array[i] != NULL) {
+ p = (srtp_policy_t*) malloc(sizeof(srtp_policy_t));
+ if (p == NULL)
diff --git a/googlepatches/google-8-rdb-crash.patch b/googlepatches/google-8-rdb-crash.patch
new file mode 100644
index 0000000..0286603
--- /dev/null
+++ b/googlepatches/google-8-rdb-crash.patch
@@ -0,0 +1,11 @@
+--- rdb.c Thu Mar 25 17:38:24 2010
++++ rgb.bak Fri Mar 19 17:50:47 2010
+@@ -115,7 +115,7 @@ rdb_add_index(rdb_t *rdb, uint32_t index
+
+ /* shift the window forward by delta bits*/
+ v128_left_shift(&rdb->bitmask, delta);
+- v128_set_bit(&rdb->bitmask, rdb_bits_in_bitmask-delta);
++ v128_set_bit(&rdb->bitmask, rdb_bits_in_bitmask - 1);
+ rdb->window_start += delta;
+
+ }
diff --git a/googlepatches/google-9-rdbx-leak-plug.patch b/googlepatches/google-9-rdbx-leak-plug.patch
new file mode 100644
index 0000000..f53861d
--- /dev/null
+++ b/googlepatches/google-9-rdbx-leak-plug.patch
@@ -0,0 +1,298 @@
+diff --git a/google3/third_party/libsrtp/include/srtp_priv.h b/google3/third_party/libsrtp/include/srtp_priv.h
+index cf2274e..3bed757 100644
+--- a/google3/third_party/libsrtp/include/srtp_priv.h
++++ b/google3/third_party/libsrtp/include/srtp_priv.h
+@@ -189,6 +189,13 @@ srtp_stream_init(srtp_stream_t srtp,
+
+
+ /*
++ * Uninitializes and Deallocates a stream.
++ */
++err_status_t
++srtp_stream_uninit_and_dealloc(srtp_stream_t stream,
++ srtp_stream_t stream_template);
++
++/*
+ * libsrtp internal datatypes
+ */
+
+diff --git a/google3/third_party/libsrtp/srtp/srtp.c b/google3/third_party/libsrtp/srtp/srtp.c
+index 3fc52ee..314c3e4 100644
+--- a/google3/third_party/libsrtp/srtp/srtp.c
++++ b/google3/third_party/libsrtp/srtp/srtp.c
+@@ -92,35 +92,31 @@ srtp_stream_alloc(srtp_stream_ctx_t **str_ptr,
+ str = (srtp_stream_ctx_t *) crypto_alloc(sizeof(srtp_stream_ctx_t));
+ if (str == NULL)
+ return err_status_alloc_fail;
+- *str_ptr = str;
+-
++ *str_ptr = str;
++
+ /* allocate cipher */
+ stat = crypto_kernel_alloc_cipher(p->rtp.cipher_type,
+ &str->rtp_cipher,
+ p->rtp.cipher_key_len);
+ if (stat) {
+- crypto_free(str);
+- return stat;
++ goto err_rtp_cipher_alloc;
+ }
+
+ /* allocate auth function */
+ stat = crypto_kernel_alloc_auth(p->rtp.auth_type,
+ &str->rtp_auth,
+ p->rtp.auth_key_len,
+- p->rtp.auth_tag_len);
++ p->rtp.auth_tag_len);
++
+ if (stat) {
+- cipher_dealloc(str->rtp_cipher);
+- crypto_free(str);
+- return stat;
++ goto err_rtp_auth_alloc;
+ }
+-
++
+ /* allocate key limit structure */
+ str->limit = (key_limit_ctx_t*) crypto_alloc(sizeof(key_limit_ctx_t));
+ if (str->limit == NULL) {
+- auth_dealloc(str->rtp_auth);
+- cipher_dealloc(str->rtp_cipher);
+- crypto_free(str);
+- return err_status_alloc_fail;
++ stat = err_status_alloc_fail;
++ goto err_limit_alloc;
+ }
+
+ /*
+@@ -129,13 +125,9 @@ srtp_stream_alloc(srtp_stream_ctx_t **str_ptr,
+ */
+ stat = crypto_kernel_alloc_cipher(p->rtcp.cipher_type,
+ &str->rtcp_cipher,
+- p->rtcp.cipher_key_len);
++ p->rtcp.cipher_key_len);
+ if (stat) {
+- auth_dealloc(str->rtp_auth);
+- cipher_dealloc(str->rtp_cipher);
+- crypto_free(str->limit);
+- crypto_free(str);
+- return stat;
++ goto err_rtcp_cipher_alloc;
+ }
+
+ /* allocate auth function */
+@@ -144,33 +136,37 @@ srtp_stream_alloc(srtp_stream_ctx_t **str_ptr,
+ p->rtcp.auth_key_len,
+ p->rtcp.auth_tag_len);
+ if (stat) {
+- cipher_dealloc(str->rtcp_cipher);
+- auth_dealloc(str->rtp_auth);
+- cipher_dealloc(str->rtp_cipher);
+- crypto_free(str->limit);
+- crypto_free(str);
+- return stat;
+- }
++ goto err_rtcp_auth_alloc;
++ }
+
+ /* allocate ekt data associated with stream */
+ stat = ekt_alloc(&str->ekt, p->ekt);
+ if (stat) {
+- auth_dealloc(str->rtcp_auth);
+- cipher_dealloc(str->rtcp_cipher);
+- auth_dealloc(str->rtp_auth);
+- cipher_dealloc(str->rtp_cipher);
+- crypto_free(str->limit);
+- crypto_free(str);
+- return stat;
++ goto err_ekt_alloc;
+ }
+
+ return err_status_ok;
++
++err_ekt_alloc:
++ auth_dealloc(str->rtcp_auth);
++err_rtcp_auth_alloc:
++ cipher_dealloc(str->rtcp_cipher);
++err_rtcp_cipher_alloc:
++ crypto_free(str->limit);
++err_limit_alloc:
++ auth_dealloc(str->rtp_auth);
++err_rtp_auth_alloc:
++ cipher_dealloc(str->rtp_cipher);
++err_rtp_cipher_alloc:
++ crypto_free(str);
++ return stat;
+ }
+
+ err_status_t
+-srtp_stream_dealloc(srtp_t session, srtp_stream_ctx_t *stream) {
++srtp_stream_dealloc(srtp_stream_ctx_t *stream,
++ srtp_stream_ctx_t *stream_template) {
+ err_status_t status;
+-
++
+ /*
+ * we use a conservative deallocation strategy - if any deallocation
+ * fails, then we report that fact without trying to deallocate
+@@ -178,41 +174,29 @@ srtp_stream_dealloc(srtp_t session, srtp_stream_ctx_t *stream) {
+ */
+
+ /* deallocate cipher, if it is not the same as that in template */
+- if (session->stream_template
+- && stream->rtp_cipher == session->stream_template->rtp_cipher) {
+- /* do nothing */
+- } else {
++ if (!stream_template || stream->rtp_cipher != stream_template->rtp_cipher) {
+ status = cipher_dealloc(stream->rtp_cipher);
+ if (status)
+ return status;
+ }
+
+ /* deallocate auth function, if it is not the same as that in template */
+- if (session->stream_template
+- && stream->rtp_auth == session->stream_template->rtp_auth) {
+- /* do nothing */
+- } else {
++ if (!stream_template || stream->rtp_auth != stream_template->rtp_auth) {
+ status = auth_dealloc(stream->rtp_auth);
+ if (status)
+ return status;
+ }
+
+ /* deallocate key usage limit, if it is not the same as that in template */
+- if (session->stream_template
+- && stream->limit == session->stream_template->limit) {
+- /* do nothing */
+- } else {
++ if (!stream_template || stream->limit != stream_template->limit) {
+ crypto_free(stream->limit);
+- }
++ }
+
+- /*
++ /*
+ * deallocate rtcp cipher, if it is not the same as that in
+- * template
++ * template
+ */
+- if (session->stream_template
+- && stream->rtcp_cipher == session->stream_template->rtcp_cipher) {
+- /* do nothing */
+- } else {
++ if (!stream_template || stream->rtcp_cipher != stream_template->rtcp_cipher) {
+ status = cipher_dealloc(stream->rtcp_cipher);
+ if (status)
+ return status;
+@@ -222,17 +206,14 @@ srtp_stream_dealloc(srtp_t session, srtp_stream_ctx_t *stream) {
+ * deallocate rtcp auth function, if it is not the same as that in
+ * template
+ */
+- if (session->stream_template
+- && stream->rtcp_auth == session->stream_template->rtcp_auth) {
+- /* do nothing */
+- } else {
++ if (!stream_template || stream->rtcp_auth != stream_template->rtcp_auth) {
+ status = auth_dealloc(stream->rtcp_auth);
+ if (status)
+ return status;
+ }
+
+ /* DAM - need to deallocate EKT here */
+-
++
+ /* deallocate srtp stream context */
+ crypto_free(stream);
+
+@@ -549,7 +530,12 @@ srtp_stream_init(srtp_stream_ctx_t *srtp,
+ }
+
+ return err_status_ok;
+- }
++}
++
++err_status_t
++srtp_stream_uninit(srtp_stream_ctx_t *srtp) {
++ return rdbx_uninit(&srtp->rtp_rdbx);
++}
+
+
+ /*
+@@ -1201,28 +1187,16 @@ srtp_dealloc(srtp_t session) {
+ stream = session->stream_list;
+ while (stream != NULL) {
+ srtp_stream_t next = stream->next;
+- status = srtp_stream_dealloc(session, stream);
+- if (status)
++ status = srtp_stream_uninit_and_dealloc(stream, session->stream_template);
++ if (status) {
+ return status;
++ }
+ stream = next;
+ }
+-
++
+ /* deallocate stream template, if there is one */
+ if (session->stream_template != NULL) {
+- status = auth_dealloc(session->stream_template->rtcp_auth);
+- if (status)
+- return status;
+- status = cipher_dealloc(session->stream_template->rtcp_cipher);
+- if (status)
+- return status;
+- crypto_free(session->stream_template->limit);
+- status = cipher_dealloc(session->stream_template->rtp_cipher);
+- if (status)
+- return status;
+- status = auth_dealloc(session->stream_template->rtp_auth);
+- if (status)
+- return status;
+- crypto_free(session->stream_template);
++ status = srtp_stream_uninit_and_dealloc(session->stream_template, NULL);
+ }
+
+ /* deallocate session context */
+@@ -1287,7 +1261,6 @@ srtp_add_stream(srtp_t session,
+ crypto_free(tmp);
+ return err_status_bad_param;
+ }
+-
+ return err_status_ok;
+ }
+
+@@ -1334,12 +1307,11 @@ srtp_create(srtp_t *session, /* handle for session */
+ err_status_t
+ srtp_remove_stream(srtp_t session, uint32_t ssrc) {
+ srtp_stream_ctx_t *stream, *last_stream;
+- err_status_t status;
+
+ /* sanity check arguments */
+ if (session == NULL)
+ return err_status_bad_param;
+-
++
+ /* find stream in list; complain if not found */
+ last_stream = stream = session->stream_list;
+ while ((stream != NULL) && (ssrc != stream->ssrc)) {
+@@ -1352,8 +1324,20 @@ srtp_remove_stream(srtp_t session, uint32_t ssrc) {
+ /* remove stream from the list */
+ last_stream->next = stream->next;
+
++ return srtp_stream_uninit_and_dealloc(stream, session->stream_template);
++}
++
++err_status_t
++srtp_stream_uninit_and_dealloc(srtp_stream_ctx_t *stream,
++ srtp_stream_ctx_t *stream_template) {
++ err_status_t status;
++ /* deallocate rdbx data */
++ status = srtp_stream_uninit(stream);
++ if (status)
++ return status;
++
+ /* deallocate the stream */
+- status = srtp_stream_dealloc(session, stream);
++ status = srtp_stream_dealloc(stream, stream_template);
+ if (status)
+ return status;
+
diff --git a/googlepatches/vidyo-1-srtp-win.patch b/googlepatches/vidyo-1-srtp-win.patch
new file mode 100644
index 0000000..cb6da56
--- /dev/null
+++ b/googlepatches/vidyo-1-srtp-win.patch
@@ -0,0 +1,297 @@
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-pristine/config.hw srtp/config.hw
+--- srtp-pristine/config.hw 2007-05-23 13:40:21.000000000 -0400
++++ srtp/config.hw 2009-04-22 17:58:01.000000000 -0400
+@@ -1,7 +1,7 @@
+ /* crypto/include/config.h. Generated by configure. */
+ /* config_in.h. Generated from configure.in by autoheader. */
+
+-#ifdef (_MSC_VER >= 1400)
++#if (_MSC_VER >= 1400)
+ # define HAVE_RAND_S 1
+ #endif
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-pristine/crypto/cipher/aes_icm.c srtp/crypto/cipher/aes_icm.c
+--- srtp-pristine/crypto/cipher/aes_icm.c 2006-07-18 15:45:46.000000000 -0400
++++ srtp/crypto/cipher/aes_icm.c 2009-04-22 17:58:01.000000000 -0400
+@@ -210,7 +210,7 @@ aes_icm_set_octet(aes_icm_ctx_t *c,
+ ((high32(octet_num) & 0x0f)<<(32-4)) |
+ (low32(octet_num) >> 4));
+ #else
+- int tail_num = octet_num % 16;
++ int tail_num = (int)(octet_num % 16);
+ uint64_t block_num = octet_num / 16;
+ #endif
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-pristine/install-win.bat srtp/install-win.bat
+--- srtp-pristine/install-win.bat 1969-12-31 19:00:00.000000000 -0500
++++ srtp/install-win.bat 2009-04-22 17:58:01.000000000 -0400
+@@ -0,0 +1,31 @@
++:: Installs from srtp windows build directory to directory specified on
++:: command line
++
++
++@if "%1"=="" (
++ echo "Usage: %~nx0 destdir"
++ exit /b 1
++) else (
++ set destdir=%1
++)
++
++@if not exist %destdir% (
++ echo %destdir% not found
++ exit /b 1
++)
++
++@for %%d in (include\srtp.h crypto\include\crypto.h Debug\srtp.lib Release\srtp.lib) do (
++ if not exist "%%d" (
++ echo "%%d not found: are you in the right directory?"
++ exit /b 1
++ )
++)
++
++mkdir %destdir%\include
++mkdir %destdir%\include\srtp
++mkdir %destdir%\lib
++
++copy include\*.h %destdir%\include\srtp
++copy crypto\include\*.h %destdir%\include\srtp
++copy Release\srtp.lib %destdir%\lib\srtp.lib
++copy Debug\srtp.lib %destdir%\lib\srtpd.lib
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-pristine/srtp/ekt.c srtp/srtp/ekt.c
+--- srtp-pristine/srtp/ekt.c 2007-06-15 14:36:09.000000000 -0400
++++ srtp/srtp/ekt.c 2009-04-22 18:47:06.000000000 -0400
+@@ -91,27 +91,27 @@ ekt_octets_after_base_tag(ekt_stream_t e
+ }
+
+ inline ekt_spi_t
+-srtcp_packet_get_ekt_spi(const void *packet_start, unsigned pkt_octet_len) {
+- void *spi_location;
++srtcp_packet_get_ekt_spi(const uint8_t *packet_start, unsigned pkt_octet_len) {
++ const uint8_t *spi_location;
+
+ spi_location = packet_start + (pkt_octet_len - EKT_SPI_LEN);
+
+- return *((ekt_spi_t *)spi_location);
++ return *((const ekt_spi_t *)spi_location);
+ }
+
+ inline uint32_t
+-srtcp_packet_get_ekt_roc(const void *packet_start, unsigned pkt_octet_len) {
+- void *roc_location;
++srtcp_packet_get_ekt_roc(const uint8_t *packet_start, unsigned pkt_octet_len) {
++ const uint8_t *roc_location;
+
+ roc_location = packet_start + (pkt_octet_len - EKT_OCTETS_AFTER_ROC);
+
+- return *((uint32_t *)roc_location);
++ return *((const uint32_t *)roc_location);
+ }
+
+-inline void *
+-srtcp_packet_get_emk_location(const void *packet_start,
++inline const uint8_t *
++srtcp_packet_get_emk_location(const uint8_t *packet_start,
+ unsigned pkt_octet_len) {
+- void *location;
++ const uint8_t *location;
+
+ location = packet_start + (pkt_octet_len - EKT_OCTETS_AFTER_BASE_TAG);
+
+@@ -161,7 +161,7 @@ srtp_stream_init_from_ekt(srtp_stream_t
+ const void *srtcp_hdr,
+ unsigned pkt_octet_len) {
+ err_status_t err;
+- uint8_t *master_key;
++ const uint8_t *master_key;
+ srtp_policy_t srtp_policy;
+ unsigned master_key_len;
+ uint32_t roc;
+@@ -179,7 +179,7 @@ srtp_stream_init_from_ekt(srtp_stream_t
+
+ /* decrypt the Encrypted Master Key field */
+ master_key = srtcp_packet_get_emk_location(srtcp_hdr, pkt_octet_len);
+- aes_decrypt_with_raw_key(master_key, stream->ekt->data->ekt_dec_key);
++ aes_decrypt_with_raw_key((void*)master_key, stream->ekt->data->ekt_dec_key);
+
+ /* set the SRTP ROC */
+ roc = srtcp_packet_get_ekt_roc(srtcp_hdr, pkt_octet_len);
+@@ -201,7 +201,7 @@ ekt_write_data(ekt_stream_t ekt,
+ uint32_t roc;
+ uint16_t isn;
+ unsigned emk_len;
+- void *packet;
++ uint8_t *packet;
+
+ /* if the pointer ekt is NULL, then EKT is not in effect */
+ if (!ekt) {
+@@ -211,7 +211,7 @@ ekt_write_data(ekt_stream_t ekt,
+
+ /* write zeros into the location of the base tag */
+ octet_string_set_to_zero(base_tag, base_tag_len);
+- packet = base_tag + base_tag_len;
++ packet = (uint8_t*)base_tag + base_tag_len;
+
+ /* copy encrypted master key into packet */
+ emk_len = ekt_octets_after_base_tag(ekt);
+@@ -221,14 +221,14 @@ ekt_write_data(ekt_stream_t ekt,
+ packet += emk_len;
+
+ /* copy ROC into packet */
+- roc = pkt_index >> 16;
++ roc = (uint32_t)(pkt_index >> 16);
+ *((uint32_t *)packet) = be32_to_cpu(roc);
+ debug_print(mod_srtp, "writing EKT ROC: %s,",
+ octet_string_hex_string(packet, sizeof(roc)));
+ packet += sizeof(roc);
+
+ /* copy ISN into packet */
+- isn = pkt_index;
++ isn = (uint16_t)pkt_index;
+ *((uint16_t *)packet) = htons(isn);
+ debug_print(mod_srtp, "writing EKT ISN: %s,",
+ octet_string_hex_string(packet, sizeof(isn)));
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-pristine/srtp.def srtp/srtp.def
+--- srtp-pristine/srtp.def 2006-05-22 16:46:21.000000000 -0400
++++ srtp/srtp.def 2009-04-22 17:58:01.000000000 -0400
+@@ -89,4 +89,3 @@ aes_icm_encrypt_ismacryp
+ aes_icm_alloc_ismacryp
+ crypto_alloc
+ crypto_free
+-\ No newline at end of file
+\ No newline at end of file
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-pristine/srtp.sln srtp/srtp.sln
+--- srtp-pristine/srtp.sln 1969-12-31 19:00:00.000000000 -0500
++++ srtp/srtp.sln 2009-04-22 17:58:01.000000000 -0400
+@@ -0,0 +1,26 @@
++
++Microsoft Visual Studio Solution File, Format Version 9.00
++# Visual C++ Express 2005
++Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "srtp", "srtp.vcproj", "{EEF031CB-FED8-451E-A471-91EC8D4F6750}"
++EndProject
++Global
++ GlobalSection(SolutionConfigurationPlatforms) = preSolution
++ Debug Dll|Win32 = Debug Dll|Win32
++ Debug|Win32 = Debug|Win32
++ Release Dll|Win32 = Release Dll|Win32
++ Release|Win32 = Release|Win32
++ EndGlobalSection
++ GlobalSection(ProjectConfigurationPlatforms) = postSolution
++ {EEF031CB-FED8-451E-A471-91EC8D4F6750}.Debug Dll|Win32.ActiveCfg = Debug Dll|Win32
++ {EEF031CB-FED8-451E-A471-91EC8D4F6750}.Debug Dll|Win32.Build.0 = Debug Dll|Win32
++ {EEF031CB-FED8-451E-A471-91EC8D4F6750}.Debug|Win32.ActiveCfg = Debug|Win32
++ {EEF031CB-FED8-451E-A471-91EC8D4F6750}.Debug|Win32.Build.0 = Debug|Win32
++ {EEF031CB-FED8-451E-A471-91EC8D4F6750}.Release Dll|Win32.ActiveCfg = Release Dll|Win32
++ {EEF031CB-FED8-451E-A471-91EC8D4F6750}.Release Dll|Win32.Build.0 = Release Dll|Win32
++ {EEF031CB-FED8-451E-A471-91EC8D4F6750}.Release|Win32.ActiveCfg = Release|Win32
++ {EEF031CB-FED8-451E-A471-91EC8D4F6750}.Release|Win32.Build.0 = Release|Win32
++ EndGlobalSection
++ GlobalSection(SolutionProperties) = preSolution
++ HideSolutionNode = FALSE
++ EndGlobalSection
++EndGlobal
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-pristine/srtp.vcproj srtp/srtp.vcproj
+--- srtp-pristine/srtp.vcproj 2006-05-22 16:46:21.000000000 -0400
++++ srtp/srtp.vcproj 2009-04-22 17:58:01.000000000 -0400
+@@ -49,7 +49,7 @@
+ PreprocessorDefinitions="WIN32;_DEBUG;_LIB;HAVE_CONFIG_H"
+ MinimalRebuild="true"
+ BasicRuntimeChecks="3"
+- RuntimeLibrary="3"
++ RuntimeLibrary="1"
+ StructMemberAlignment="0"
+ UsePrecompiledHeader="0"
+ WarningLevel="3"
+@@ -116,7 +116,7 @@
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories="crypto/include;include"
+ PreprocessorDefinitions="WIN32;NDEBUG;_LIB;HAVE_CONFIG_H"
+- RuntimeLibrary="2"
++ RuntimeLibrary="0"
+ StructMemberAlignment="0"
+ UsePrecompiledHeader="0"
+ WarningLevel="3"
+@@ -324,6 +324,10 @@
+ UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+ >
+ <File
++ RelativePath=".\srtp\ekt.c"
++ >
++ </File>
++ <File
+ RelativePath=".\srtp\srtp.c"
+ >
+ </File>
+@@ -484,10 +488,6 @@
+ >
+ </File>
+ <File
+- RelativePath=".\crypto\include\crypto_math.h"
+- >
+- </File>
+- <File
+ RelativePath=".\crypto\include\crypto_types.h"
+ >
+ </File>
+@@ -500,6 +500,10 @@
+ >
+ </File>
+ <File
++ RelativePath=".\include\ekt.h"
++ >
++ </File>
++ <File
+ RelativePath=".\crypto\include\err.h"
+ >
+ </File>
+@@ -516,10 +520,6 @@
+ >
+ </File>
+ <File
+- RelativePath=".\crypto\include\kernel_compat.h"
+- >
+- </File>
+- <File
+ RelativePath=".\crypto\include\key.h"
+ >
+ </File>
+@@ -548,10 +548,6 @@
+ >
+ </File>
+ <File
+- RelativePath=".\include\rtp.h"
+- >
+- </File>
+- <File
+ RelativePath=".\crypto\include\sha1.h"
+ >
+ </File>
+@@ -560,15 +556,15 @@
+ >
+ </File>
+ <File
+- RelativePath=".\crypto\include\stat.h"
++ RelativePath=".\include\srtp_priv.h"
+ >
+ </File>
+ <File
+- RelativePath=".\include\ut_sim.h"
++ RelativePath=".\crypto\include\stat.h"
+ >
+ </File>
+ <File
+- RelativePath=".\crypto\include\xfm.h"
++ RelativePath=".\include\ut_sim.h"
+ >
+ </File>
+ </Filter>
+@@ -579,6 +575,10 @@
+ >
+ </Filter>
+ <File
++ RelativePath=".\config.hw"
++ >
++ </File>
++ <File
+ RelativePath=".\srtp.def"
+ >
+ </File>
diff --git a/googlepatches/vidyo-2-srtp-lin.patch b/googlepatches/vidyo-2-srtp-lin.patch
new file mode 100644
index 0000000..29e82ed
--- /dev/null
+++ b/googlepatches/vidyo-2-srtp-lin.patch
@@ -0,0 +1,95 @@
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-win/Makefile.in srtp/Makefile.in
+--- srtp-win/Makefile.in 2007-06-15 14:17:39.000000000 -0400
++++ srtp/Makefile.in 2009-04-22 18:25:43.000000000 -0400
+@@ -26,7 +26,7 @@ runtest: build_table_apps test
+ test/roc_driver$(EXE) -v >/dev/null
+ test/replay_driver$(EXE) -v >/dev/null
+ test/dtls_srtp_driver$(EXE) >/dev/null
+- cd test; ./rtpw_test.sh >/dev/null
++ cd test; $(abspath $(srcdir))/test/rtpw_test.sh >/dev/null
+ @echo "libsrtp test applications passed."
+ $(MAKE) -C crypto runtest
+
+@@ -189,18 +189,20 @@ libsrtpdoc:
+ .PHONY: clean superclean install
+
+ install:
+- @if [ -d $(DESTDIR)$(includedir)/srtp ]; then \
++ @if [ -r $(DESTDIR)$(includedir)/srtp/srtp.h ]; then \
+ echo "you should run 'make uninstall' first"; exit 1; \
+ fi
+ $(INSTALL) -d $(DESTDIR)$(includedir)/srtp
+ $(INSTALL) -d $(DESTDIR)$(libdir)
+- cp include/*.h $(DESTDIR)$(includedir)/srtp
+- cp crypto/include/*.h $(DESTDIR)$(includedir)/srtp
++ cp $(srcdir)/include/*.h $(DESTDIR)$(includedir)/srtp
++ cp $(srcdir)/crypto/include/*.h $(DESTDIR)$(includedir)/srtp
++ if [ "$(srcdir)" != "." ]; then cp crypto/include/*.h $(DESTDIR)$(includedir)/srtp; fi
+ if [ -f libsrtp.a ]; then cp libsrtp.a $(DESTDIR)$(libdir)/; fi
+
+ uninstall:
+- rm -rf $(DESTDIR)$(includedir)/srtp
+- rm -rf $(DESTDIR)$(libdir)/libsrtp.a
++ rm -f $(DESTDIR)$(includedir)/srtp/*.h
++ rm -f $(DESTDIR)$(libdir)/libsrtp.a
++ -rmdir $(DESTDIR)$(includedir)/srtp
+
+ clean:
+ rm -rf $(cryptobj) $(srtpobj) $(cryptomath) TAGS \
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-win/srtp/ekt.c srtp/srtp/ekt.c
+--- srtp-win/srtp/ekt.c 2009-04-22 18:47:06.000000000 -0400
++++ srtp/srtp/ekt.c 2009-04-22 18:50:51.000000000 -0400
+@@ -131,6 +131,9 @@ ekt_alloc(ekt_stream_t *stream_data, ekt
+ return err_status_ok;
+ }
+
++ /* TODO */
++ *stream_data = NULL;
++
+ return err_status_ok;
+ }
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-win/test/dtls_srtp_driver.c srtp/test/dtls_srtp_driver.c
+--- srtp-win/test/dtls_srtp_driver.c 2006-07-17 16:41:22.000000000 -0400
++++ srtp/test/dtls_srtp_driver.c 2009-04-23 15:50:26.000000000 -0400
+@@ -183,6 +183,7 @@ test_dtls_srtp() {
+ err = crypto_policy_set_from_profile_for_rtcp(&policy.rtcp, profile);
+ if (err) return err;
+ policy.ssrc.type = ssrc_any_inbound;
++ policy.ekt = NULL;
+ policy.next = NULL;
+
+ err = srtp_add_stream(s, &policy);
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-win/test/rtpw_test.sh srtp/test/rtpw_test.sh
+--- srtp-win/test/rtpw_test.sh 2006-06-13 11:17:57.000000000 -0400
++++ srtp/test/rtpw_test.sh 2009-04-22 18:30:27.000000000 -0400
+@@ -4,7 +4,7 @@
+ #
+ # tests the rtpw sender and receiver functions
+
+-RTPW=rtpw
++RTPW=./rtpw
+ DEST_PORT=9999
+ DURATION=3
+
+@@ -18,7 +18,7 @@ ARGS="-k $key -ae"
+ # they are killed, those processes will linger. Re-running the script
+ # will get rid of them.
+
+-killall rtpw 2&>/dev/null
++killall rtpw 2>/dev/null
+
+ if test -x $RTPW; then
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-win/test/srtp_driver.c srtp/test/srtp_driver.c
+--- srtp-win/test/srtp_driver.c 2007-06-15 14:17:40.000000000 -0400
++++ srtp/test/srtp_driver.c 2009-04-22 18:20:27.000000000 -0400
+@@ -153,7 +153,7 @@ main (int argc, char *argv[]) {
+ if (sizeof(srtp_hdr_t) != 12) {
+ printf("error: srtp_hdr_t has incorrect size"
+ "(size is %ld bytes, expected 12)\n",
+- sizeof(srtp_hdr_t));
++ (long)sizeof(srtp_hdr_t));
+ exit(1);
+ }
+
diff --git a/googlepatches/vidyo-3-srtp-ws.patch b/googlepatches/vidyo-3-srtp-ws.patch
new file mode 100644
index 0000000..c8896e0
--- /dev/null
+++ b/googlepatches/vidyo-3-srtp-ws.patch
@@ -0,0 +1,937 @@
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/crypto/include/crypto_math.h srtp/crypto/include/crypto_math.h
+--- srtp-lin/crypto/include/crypto_math.h 2006-06-08 13:00:27.000000000 -0400
++++ srtp/crypto/include/crypto_math.h 2009-04-22 19:03:15.000000000 -0400
+@@ -233,40 +233,6 @@ void
+ octet_string_set_to_zero(uint8_t *s, int len);
+
+
+-/*
+- * functions manipulating bit_vector_t
+- *
+- * A bitvector_t consists of an array of words and an integer
+- * representing the number of significant bits stored in the array.
+- * The bits are packed as follows: the least significant bit is that
+- * of word[0], while the most significant bit is the nth most
+- * significant bit of word[m], where length = bits_per_word * m + n.
+- *
+- */
+-
+-#define bits_per_word 32
+-#define bytes_per_word 4
+-
+-typedef struct {
+- uint32_t length;
+- uint32_t *word;
+-} bitvector_t;
+-
+-int
+-bitvector_alloc(bitvector_t *v, unsigned long length);
+-
+-void
+-bitvector_set_bit(bitvector_t *v, int bit_index);
+-
+-int
+-bitvector_get_bit(const bitvector_t *v, int bit_index);
+-
+-int
+-bitvector_print_hex(const bitvector_t *v, FILE *stream);
+-
+-int
+-bitvector_set_from_hex(bitvector_t *v, char *string);
+-
+ #endif /* MATH_H */
+
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/crypto/include/datatypes.h srtp/crypto/include/datatypes.h
+--- srtp-lin/crypto/include/datatypes.h 2006-07-12 18:41:57.000000000 -0400
++++ srtp/crypto/include/datatypes.h 2009-04-22 19:20:01.000000000 -0400
+@@ -424,4 +424,83 @@ static inline uint64_t be64_to_cpu(uint6
+
+ #endif /* WORDS_BIGENDIAN */
+
++/*
++ * functions manipulating bitvector_t
++ *
++ * A bitvector_t consists of an array of words and an integer
++ * representing the number of significant bits stored in the array.
++ * The bits are packed as follows: the least significant bit is that
++ * of word[0], while the most significant bit is the nth most
++ * significant bit of word[m], where length = bits_per_word * m + n.
++ *
++ */
++
++#define bits_per_word 32
++#define bytes_per_word 4
++
++typedef struct {
++ uint32_t length;
++ uint32_t *word;
++} bitvector_t;
++
++
++#define _bitvector_get_bit(v, bit_index) \
++( \
++ ((((v)->word[((bit_index) >> 5)]) >> ((bit_index) & 31)) & 1) \
++)
++
++
++#define _bitvector_set_bit(v, bit_index) \
++( \
++ (((v)->word[((bit_index) >> 5)] |= ((uint32_t)1 << ((bit_index) & 31)))) \
++)
++
++#define _bitvector_clear_bit(v, bit_index) \
++( \
++ (((v)->word[((bit_index) >> 5)] &= ~((uint32_t)1 << ((bit_index) & 31)))) \
++)
++
++#define _bitvector_get_length(v) \
++( \
++ ((v)->length) \
++)
++
++#ifdef DATATYPES_USE_MACROS /* little functions are really macros */
++
++#define bitvector_get_bit(v, bit_index) _bitvector_get_bit(v, bit_index)
++#define bitvector_set_bit(v, bit_index) _bitvector_set_bit(v, bit_index)
++#define bitvector_clear_bit(v, bit_index) _bitvector_clear_bit(v, bit_index)
++#define bitvector_get_length(v) _bitvector_get_length(v)
++
++#else
++
++int
++bitvector_get_bit(const bitvector_t *v, int bit_index);
++
++void
++bitvector_set_bit(bitvector_t *v, int bit_index);
++
++void
++bitvector_clear_bit(bitvector_t *v, int bit_index);
++
++unsigned long
++bitvector_get_length(const bitvector_t *v);
++
++#endif
++
++int
++bitvector_alloc(bitvector_t *v, unsigned long length);
++
++void
++bitvector_dealloc(bitvector_t *v);
++
++void
++bitvector_set_to_zero(bitvector_t *x);
++
++void
++bitvector_left_shift(bitvector_t *x, int index);
++
++char *
++bitvector_bit_string(bitvector_t *x, char* buf, int len);
++
+ #endif /* _DATATYPES_H */
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/crypto/include/rdbx.h srtp/crypto/include/rdbx.h
+--- srtp-lin/crypto/include/rdbx.h 2007-06-15 14:17:40.000000000 -0400
++++ srtp/crypto/include/rdbx.h 2009-04-22 19:03:15.000000000 -0400
+@@ -46,19 +46,29 @@ typedef uint64_t xtd_seq_num_t;
+
+ typedef struct {
+ xtd_seq_num_t index;
+- v128_t bitmask;
++ bitvector_t bitmask;
+ } rdbx_t;
+
+
+ /*
+- * rdbx_init(rdbx_ptr)
++ * rdbx_init(rdbx_ptr, ws)
+ *
+- * initializes the rdbx pointed to by its argument, setting the
+- * rollover counter and sequence number to zero
++ * initializes the rdbx pointed to by its argument with the window size ws,
++ * setting the rollover counter and sequence number to zero
+ */
+
+ err_status_t
+-rdbx_init(rdbx_t *rdbx);
++rdbx_init(rdbx_t *rdbx, unsigned long ws);
++
++
++/*
++ * rdbx_uninit(rdbx_ptr)
++ *
++ * frees memory associated with the rdbx
++ */
++
++err_status_t
++rdbx_uninit(rdbx_t *rdbx);
+
+
+ /*
+@@ -127,6 +137,15 @@ rdbx_get_packet_index(const rdbx_t *rdbx
+ * api instead!
+ */
+
++/*
++ * rdbx_get_ws(rdbx_ptr)
++ *
++ * gets the window size which was used to initialize the rdbx
++ */
++
++unsigned long
++rdbx_get_window_size(const rdbx_t *rdbx);
++
+
+ /* index_init(&pi) initializes a packet index pi (sets it to zero) */
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/crypto/math/datatypes.c srtp/crypto/math/datatypes.c
+--- srtp-lin/crypto/math/datatypes.c 2006-07-18 15:45:46.000000000 -0400
++++ srtp/crypto/math/datatypes.c 2009-04-22 19:03:15.000000000 -0400
+@@ -387,6 +387,124 @@ v128_left_shift(v128_t *x, int index) {
+
+ }
+
++/* functions manipulating bitvector_t */
++
++#ifndef DATATYPES_USE_MACROS /* little functions are not macros */
++
++int
++bitvector_get_bit(const bitvector_t *v, int bit_index)
++{
++ return _bitvector_get_bit(v, bit_index);
++}
++
++void
++bitvector_set_bit(bitvector_t *v, int bit_index)
++{
++ _bitvector_set_bit(v, bit_index);
++}
++
++void
++bitvector_clear_bit(bitvector_t *v, int bit_index)
++{
++ _bitvector_clear_bit(v, bit_index);
++}
++
++
++#endif /* DATATYPES_USE_MACROS */
++
++int
++bitvector_alloc(bitvector_t *v, unsigned long length) {
++ unsigned long l;
++
++ /* Round length up to a multiple of bits_per_word */
++ length = (length + bits_per_word - 1) & ~(unsigned long)((bits_per_word - 1));
++
++ l = length / bits_per_word * bytes_per_word;
++
++ /* allocate memory, then set parameters */
++ if (l == 0)
++ v->word = NULL;
++ else {
++ v->word = (uint32_t*)crypto_alloc(l);
++ if (v->word == NULL) {
++ v->word = NULL;
++ v->length = 0;
++ return -1;
++ }
++ }
++ v->length = length;
++
++ /* initialize bitvector to zero */
++ bitvector_set_to_zero(v);
++
++ return 0;
++}
++
++
++void
++bitvector_dealloc(bitvector_t *v) {
++ if (v->word != NULL)
++ crypto_free(v->word);
++ v->word = NULL;
++ v->length = 0;
++}
++
++void
++bitvector_set_to_zero(bitvector_t *x)
++{
++ /* C99 guarantees that memset(0) will set the value 0 for uint32_t */
++ memset(x->word, 0, x->length >> 3);
++}
++
++char *
++bitvector_bit_string(bitvector_t *x, char* buf, int len) {
++ int j, index;
++ uint32_t mask;
++
++ for (j=index=0; j < (int)(x->length>>5) && index < len-1; j++) {
++ for (mask=0x80000000; mask > 0; mask >>= 1) {
++ if (x->word[j] & mask)
++ buf[index] = '1';
++ else
++ buf[index] = '0';
++ ++index;
++ if (index >= len-1)
++ break;
++ }
++ }
++ buf[index] = 0; /* null terminate string */
++
++ return buf;
++}
++
++void
++bitvector_left_shift(bitvector_t *x, int index) {
++ int i;
++ const int base_index = index >> 5;
++ const int bit_index = index & 31;
++ const int word_length = x->length >> 5;
++
++ if (index >= (int)x->length) {
++ bitvector_set_to_zero(x);
++ return;
++ }
++
++ if (bit_index == 0) {
++ for (i=0; i < word_length - base_index; i++)
++ x->word[i] = x->word[i+base_index];
++ } else {
++ for (i=0; i < word_length - base_index - 1; i++)
++ x->word[i] = (x->word[i+base_index] >> bit_index) ^
++ (x->word[i+base_index+1] << (32 - bit_index));
++ x->word[word_length - base_index-1] = x->word[word_length-1] >> bit_index;
++ }
++
++ /* now wrap up the final portion */
++ for (i = word_length - base_index; i < word_length; i++)
++ x->word[i] = 0;
++
++}
++
+
+ int
+ octet_string_is_eq(uint8_t *a, uint8_t *b, int len) {
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/crypto/math/math.c srtp/crypto/math/math.c
+--- srtp-lin/crypto/math/math.c 2006-06-08 13:00:28.000000000 -0400
++++ srtp/crypto/math/math.c 2009-04-22 19:03:15.000000000 -0400
+@@ -43,7 +43,6 @@
+ */
+
+ #include "crypto_math.h"
+-#include <stdlib.h> /* malloc() used in bitvector_alloc */
+
+ int
+ octet_weight[256] = {
+@@ -773,165 +772,6 @@ octet_string_set_to_zero(uint8_t *s, int
+
+ }
+
+-/* functions manipulating bit_vector_t */
+-
+-#define BITVECTOR_MAX_WORDS 5
+-
+-int
+-bitvector_alloc(bitvector_t *v, unsigned long length) {
+- unsigned long l = (length + bytes_per_word - 1) / bytes_per_word;
+- int i;
+-
+- /* allocate memory, then set parameters */
+- if (l > BITVECTOR_MAX_WORDS)
+- return -1;
+- else
+- l = BITVECTOR_MAX_WORDS;
+- v->word = malloc(l);
+- if (v->word == NULL)
+- return -1;
+- v->length = length;
+-
+- /* initialize bitvector to zero */
+- for (i=0; i < (length >> 5); i++) {
+- v->word = 0;
+- }
+-
+- return 0;
+-}
+-
+-void
+-bitvector_set_bit(bitvector_t *v, int bit_index) {
+-
+- v->word[(bit_index >> 5)] |= (1 << (bit_index & 31));
+-
+-}
+-
+-int
+-bitvector_get_bit(const bitvector_t *v, int bit_index) {
+-
+- return ((v->word[(bit_index >> 5)]) >> (bit_index & 31)) & 1;
+-
+-}
+-
+-#include <stdio.h>
+-
+-int
+-bitvector_print_hex(const bitvector_t *v, FILE *stream) {
+- int i;
+- int m = v->length >> 5;
+- int n = v->length & 31;
+- char string[9];
+- uint32_t tmp;
+-
+- /* if length isn't a multiple of four, we can't hex_print */
+- if (n & 3)
+- return -1;
+-
+- /* if the length is zero, do nothing */
+- if (v->length == 0)
+- return 0;
+-
+- /*
+- * loop over words from most significant to least significant -
+- */
+-
+- for (i=m; i > 0; i++) {
+- char *str = string + 7;
+- tmp = v->word[i];
+-
+- /* null terminate string */
+- string[8] = 0;
+-
+- /* loop over nibbles */
+- *str-- = nibble_to_hex_char(tmp & 0xf); tmp >>= 4;
+- *str-- = nibble_to_hex_char(tmp & 0xf); tmp >>= 4;
+- *str-- = nibble_to_hex_char(tmp & 0xf); tmp >>= 4;
+- *str-- = nibble_to_hex_char(tmp & 0xf); tmp >>= 4;
+- *str-- = nibble_to_hex_char(tmp & 0xf); tmp >>= 4;
+- *str-- = nibble_to_hex_char(tmp & 0xf); tmp >>= 4;
+- *str-- = nibble_to_hex_char(tmp & 0xf); tmp >>= 4;
+- *str-- = nibble_to_hex_char(tmp & 0xf);
+-
+- /* now print stream */
+- fprintf(stream, string);
+- }
+-
+- return 0;
+-
+-}
+-
+-
+-int
+-hex_string_length(char *s) {
+- int count = 0;
+-
+- /* ignore leading zeros */
+- while ((*s != 0) && *s == '0')
+- s++;
+-
+- /* count remaining characters */
+- while (*s != 0) {
+- if (hex_char_to_nibble(*s++) == -1)
+- return -1;
+- count++;
+- }
+-
+- return count;
+-}
+-
+-int
+-bitvector_set_from_hex(bitvector_t *v, char *string) {
+- int num_hex_chars, m, n, i, j;
+- uint32_t tmp;
+-
+- num_hex_chars = hex_string_length(string);
+- if (num_hex_chars == -1)
+- return -1;
+-
+- /* set length */
+- v->length = num_hex_chars * 4;
+- /*
+- * at this point, we should subtract away a bit if the high
+- * bit of the first character is zero, but we ignore that
+- * for now and assume that we're four-bit aligned - DAM
+- */
+-
+-
+- m = num_hex_chars / 8; /* number of words */
+- n = num_hex_chars % 8; /* number of nibbles in last word */
+-
+- /* if the length is greater than the bitvector, return an error */
+- if (m > BITVECTOR_MAX_WORDS)
+- return -1;
+-
+- /*
+- * loop over words from most significant - first word is a special
+- * case
+- */
+-
+- if (n) {
+- tmp = 0;
+- for (i=0; i < n; i++) {
+- tmp = hex_char_to_nibble(*string++);
+- tmp <<= 4;
+- }
+- v->word[m] = tmp;
+- }
+-
+- /* now loop over the rest of the words */
+- for (i=m-1; i >= 0; i--) {
+- tmp = 0;
+- for (j=0; j < 8; j++) {
+- tmp = hex_char_to_nibble(*string++);
+- tmp <<= 4;
+- }
+- v->word[i] = tmp;
+- }
+-
+- return 0;
+-}
+-
+
+ /* functions below not yet tested! */
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/crypto/replay/rdbx.c srtp/crypto/replay/rdbx.c
+--- srtp-lin/crypto/replay/rdbx.c 2007-06-15 14:17:40.000000000 -0400
++++ srtp/crypto/replay/rdbx.c 2009-04-22 19:03:15.000000000 -0400
+@@ -45,7 +45,6 @@
+
+ #include "rdbx.h"
+
+-#define rdbx_high_bit_in_bitmask 127
+
+ /*
+ * from draft-ietf-avt-srtp-00.txt:
+@@ -180,17 +179,32 @@ index_guess(const xtd_seq_num_t *local,
+
+
+ /*
+- * rdbx_init(&r) initalizes the rdbx_t pointed to by r
++ * rdbx_init(&r, ws) initializes the rdbx_t pointed to by r with window size ws
+ */
+
+ err_status_t
+-rdbx_init(rdbx_t *rdbx) {
+- v128_set_to_zero(&rdbx->bitmask);
++rdbx_init(rdbx_t *rdbx, unsigned long ws) {
++ if (ws == 0)
++ return err_status_bad_param;
++
++ if (bitvector_alloc(&rdbx->bitmask, ws) != 0)
++ return err_status_alloc_fail;
++
+ index_init(&rdbx->index);
+
+ return err_status_ok;
+ }
+
++/*
++ * rdbx_uninit(&r) uninitializes the rdbx_t pointed to by r
++ */
++
++err_status_t
++rdbx_uninit(rdbx_t *rdbx) {
++ bitvector_dealloc(&rdbx->bitmask);
++
++ return err_status_ok;
++}
+
+ /*
+ * rdbx_set_roc(rdbx, roc) initalizes the rdbx_t at the location rdbx
+@@ -202,7 +216,7 @@ rdbx_init(rdbx_t *rdbx) {
+
+ err_status_t
+ rdbx_set_roc(rdbx_t *rdbx, uint32_t roc) {
+- v128_set_to_zero(&rdbx->bitmask);
++ bitvector_set_to_zero(&rdbx->bitmask);
+
+ #ifdef NO_64BIT_MATH
+ #error not yet implemented
+@@ -231,6 +245,17 @@ rdbx_get_packet_index(const rdbx_t *rdbx
+ }
+
+ /*
++ * rdbx_get_window_size(rdbx) returns the value of the window size
++ * for the rdbx_t pointed to by rdbx
++ *
++ */
++
++unsigned long
++rdbx_get_window_size(const rdbx_t *rdbx) {
++ return bitvector_get_length(&rdbx->bitmask);
++}
++
++/*
+ * rdbx_check(&r, delta) checks to see if the xtd_seq_num_t
+ * which is at rdbx->index + delta is in the rdb
+ */
+@@ -240,11 +265,11 @@ rdbx_check(const rdbx_t *rdbx, int delta
+
+ if (delta > 0) { /* if delta is positive, it's good */
+ return err_status_ok;
+- } else if (rdbx_high_bit_in_bitmask + delta < 0) {
++ } else if ((int)(bitvector_get_length(&rdbx->bitmask) - 1) + delta < 0) {
+ /* if delta is lower than the bitmask, it's bad */
+ return err_status_replay_old;
+- } else if (v128_get_bit(&rdbx->bitmask,
+- rdbx_high_bit_in_bitmask + delta) == 1) {
++ } else if (bitvector_get_bit(&rdbx->bitmask,
++ (int)(bitvector_get_length(&rdbx->bitmask) - 1) + delta) == 1) {
+ /* delta is within the window, so check the bitmask */
+ return err_status_replay_fail;
+ }
+@@ -268,11 +293,11 @@ rdbx_add_index(rdbx_t *rdbx, int delta)
+ if (delta > 0) {
+ /* shift forward by delta */
+ index_advance(&rdbx->index, delta);
+- v128_left_shift(&rdbx->bitmask, delta);
+- v128_set_bit(&rdbx->bitmask, 127);
++ bitvector_left_shift(&rdbx->bitmask, delta);
++ bitvector_set_bit(&rdbx->bitmask, bitvector_get_length(&rdbx->bitmask) - 1);
+ } else {
+ /* delta is in window, so flip bit in bitmask */
+- v128_set_bit(&rdbx->bitmask, -delta);
++ bitvector_set_bit(&rdbx->bitmask, -delta);
+ }
+
+ /* note that we need not consider the case that delta == 0 */
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/include/srtp.h srtp/include/srtp.h
+--- srtp-lin/include/srtp.h 2007-06-15 14:17:40.000000000 -0400
++++ srtp/include/srtp.h 2009-04-22 19:06:22.000000000 -0400
+@@ -223,6 +223,8 @@ typedef struct srtp_policy_t {
+ * this stream. */
+ ekt_policy_t ekt; /**< Pointer to the EKT policy structure
+ * for this stream (if any) */
++ unsigned long window_size; /**< The window size to use for replay
++ * protection. */
+ struct srtp_policy_t *next; /**< Pointer to next stream policy. */
+ } srtp_policy_t;
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/srtp/srtp.c srtp/srtp/srtp.c
+--- srtp-lin/srtp/srtp.c 2007-06-15 14:17:40.000000000 -0400
++++ srtp/srtp/srtp.c 2009-04-22 19:18:43.000000000 -0400
+@@ -275,7 +275,10 @@ srtp_stream_clone(const srtp_stream_ctx_
+ return status;
+
+ /* initialize replay databases */
+- rdbx_init(&str->rtp_rdbx);
++ status = rdbx_init(&str->rtp_rdbx,
++ rdbx_get_window_size(&stream_template->rtp_rdbx));
++ if (status)
++ return status;
+ rdb_init(&str->rtcp_rdb);
+
+ /* set ssrc to that provided */
+@@ -491,7 +494,8 @@ srtp_stream_init(srtp_stream_ctx_t *srtp
+ p->ssrc.value);
+
+ /* initialize replay database */
+- rdbx_init(&srtp->rtp_rdbx);
++ err = rdbx_init(&srtp->rtp_rdbx, p->window_size);
++ if (err) return err;
+
+ /* initialize key limit to maximum value */
+ #ifdef NO_64BIT_MATH
+@@ -525,14 +529,20 @@ srtp_stream_init(srtp_stream_ctx_t *srtp
+
+ /* initialize keys */
+ err = srtp_stream_init_keys(srtp, p->key);
+- if (err) return err;
++ if (err) {
++ rdbx_uninit(&srtp->rtp_rdbx);
++ return err;
++ }
+
+ /*
+ * if EKT is in use, then initialize the EKT data associated with
+ * the stream
+ */
+ err = ekt_stream_init_from_policy(srtp->ekt, p->ekt);
+- if (err) return err;
++ if (err) {
++ rdbx_uninit(&srtp->rtp_rdbx);
++ return err;
++ }
+
+ return err_status_ok;
+ }
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/test/dtls_srtp_driver.c srtp/test/dtls_srtp_driver.c
+--- srtp-lin/test/dtls_srtp_driver.c 2009-04-23 15:50:26.000000000 -0400
++++ srtp/test/dtls_srtp_driver.c 2009-04-23 15:50:48.000000000 -0400
+@@ -184,6 +184,7 @@ test_dtls_srtp() {
+ if (err) return err;
+ policy.ssrc.type = ssrc_any_inbound;
+ policy.ekt = NULL;
++ policy.window_size = 128;
+ policy.next = NULL;
+
+ err = srtp_add_stream(s, &policy);
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/test/rdbx_driver.c srtp/test/rdbx_driver.c
+--- srtp-lin/test/rdbx_driver.c 2006-07-17 16:41:22.000000000 -0400
++++ srtp/test/rdbx_driver.c 2009-04-22 19:22:21.000000000 -0400
+@@ -55,10 +55,10 @@
+ #include "ut_sim.h"
+
+ err_status_t
+-test_replay_dbx(int num_trials);
++test_replay_dbx(int num_trials, unsigned long ws);
+
+ double
+-rdbx_check_adds_per_second(int num_trials);
++rdbx_check_adds_per_second(int num_trials, unsigned long ws);
+
+ void
+ usage(char *prog_name) {
+@@ -99,9 +99,18 @@ main (int argc, char *argv[]) {
+ usage(argv[0]);
+
+ if (do_validation) {
+- printf("testing rdbx_t...\n");
++ printf("testing rdbx_t (ws=128)...\n");
+
+- status = test_replay_dbx(1 << 12);
++ status = test_replay_dbx(1 << 12, 128);
++ if (status) {
++ printf("failed\n");
++ exit(1);
++ }
++ printf("passed\n");
++
++ printf("testing rdbx_t (ws=1024)...\n");
++
++ status = test_replay_dbx(1 << 12, 1024);
+ if (status) {
+ printf("failed\n");
+ exit(1);
+@@ -110,8 +119,10 @@ main (int argc, char *argv[]) {
+ }
+
+ if (do_timing_test) {
+- rate = rdbx_check_adds_per_second(1 << 18);
+- printf("rdbx_check/replay_adds per second: %e\n", rate);
++ rate = rdbx_check_adds_per_second(1 << 18, 128);
++ printf("rdbx_check/replay_adds per second (ws=128): %e\n", rate);
++ rate = rdbx_check_adds_per_second(1 << 18, 1024);
++ printf("rdbx_check/replay_adds per second (ws=1024): %e\n", rate);
+ }
+
+ return 0;
+@@ -119,8 +130,11 @@ main (int argc, char *argv[]) {
+
+ void
+ print_rdbx(rdbx_t *rdbx) {
++ char buf[2048];
+ printf("rdbx: {%llu, %s}\n",
+- (unsigned long long)(rdbx->index), v128_bit_string(&rdbx->bitmask));
++ (unsigned long long)(rdbx->index),
++ bitvector_bit_string(&rdbx->bitmask, buf, sizeof(buf))
++);
+ }
+
+
+@@ -194,17 +208,15 @@ rdbx_check_unordered(rdbx_t *rdbx, uint3
+ return err_status_ok;
+ }
+
+-#define MAX_IDX 160
+-
+ err_status_t
+-test_replay_dbx(int num_trials) {
++test_replay_dbx(int num_trials, unsigned long ws) {
+ rdbx_t rdbx;
+ uint32_t idx, ircvd;
+ ut_connection utc;
+ err_status_t status;
+ int num_fp_trials;
+
+- status = rdbx_init(&rdbx);
++ status = rdbx_init(&rdbx, ws);
+ if (status) {
+ printf("replay_init failed with error code %d\n", status);
+ exit(1);
+@@ -241,7 +253,9 @@ test_replay_dbx(int num_trials) {
+ printf("passed\n");
+
+ /* re-initialize */
+- if (rdbx_init(&rdbx) != err_status_ok) {
++ rdbx_uninit(&rdbx);
++
++ if (rdbx_init(&rdbx, ws) != err_status_ok) {
+ printf("replay_init failed\n");
+ return err_status_init_fail;
+ }
+@@ -263,6 +277,8 @@ test_replay_dbx(int num_trials) {
+ }
+ printf("passed\n");
+
++ rdbx_uninit(&rdbx);
++
+ return err_status_ok;
+ }
+
+@@ -272,7 +288,7 @@ test_replay_dbx(int num_trials) {
+ #include <stdlib.h> /* for random() */
+
+ double
+-rdbx_check_adds_per_second(int num_trials) {
++rdbx_check_adds_per_second(int num_trials, unsigned long ws) {
+ uint32_t i;
+ int delta;
+ rdbx_t rdbx;
+@@ -280,7 +296,7 @@ rdbx_check_adds_per_second(int num_trial
+ clock_t timer;
+ int failures; /* count number of failures */
+
+- if (rdbx_init(&rdbx) != err_status_ok) {
++ if (rdbx_init(&rdbx, ws) != err_status_ok) {
+ printf("replay_init failed\n");
+ exit(1);
+ }
+@@ -301,6 +317,8 @@ rdbx_check_adds_per_second(int num_trial
+
+ printf("number of failures: %d \n", failures);
+
++ rdbx_uninit(&rdbx);
++
+ return (double) CLOCKS_PER_SEC * num_trials / timer;
+ }
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/test/rtpw.c srtp/test/rtpw.c
+--- srtp-lin/test/rtpw.c 2006-07-17 16:41:22.000000000 -0400
++++ srtp/test/rtpw.c 2009-04-22 19:16:52.000000000 -0400
+@@ -330,6 +330,7 @@ main (int argc, char *argv[]) {
+ policy.ssrc.value = ssrc;
+ policy.key = (uint8_t *) key;
+ policy.next = NULL;
++ policy.window_size = 128;
+ policy.rtp.sec_serv = sec_servs;
+ policy.rtcp.sec_serv = sec_serv_none; /* we don't do RTCP anyway */
+
+@@ -382,6 +383,7 @@ main (int argc, char *argv[]) {
+ policy.rtcp.auth_key_len = 0;
+ policy.rtcp.auth_tag_len = 0;
+ policy.rtcp.sec_serv = sec_serv_none;
++ policy.window_size = 0;
+ policy.next = NULL;
+ }
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-lin/test/srtp_driver.c srtp/test/srtp_driver.c
+--- srtp-lin/test/srtp_driver.c 2009-04-22 18:20:27.000000000 -0400
++++ srtp/test/srtp_driver.c 2009-04-22 19:16:52.000000000 -0400
+@@ -321,6 +321,8 @@ main (int argc, char *argv[]) {
+ policy.ssrc.type = ssrc_specific;
+ policy.ssrc.value = 0xdecafbad;
+ policy.key = test_key;
++ policy.ekt = NULL;
++ policy.window_size = 128;
+ policy.next = NULL;
+
+ printf("mips estimate: %e\n", mips);
+@@ -989,14 +991,16 @@ srtp_session_print_policy(srtp_t srtp) {
+ "# rtp services: %s\r\n"
+ "# rtcp cipher: %s\r\n"
+ "# rtcp auth: %s\r\n"
+- "# rtcp services: %s\r\n",
++ "# rtcp services: %s\r\n"
++ "# window size: %lu\r\n",
+ direction[stream->direction],
+ stream->rtp_cipher->type->description,
+ stream->rtp_auth->type->description,
+ serv_descr[stream->rtp_services],
+ stream->rtcp_cipher->type->description,
+ stream->rtcp_auth->type->description,
+- serv_descr[stream->rtcp_services]);
++ serv_descr[stream->rtcp_services],
++ rdbx_get_window_size(&stream->rtp_rdbx));
+ }
+
+ /* loop over streams in session, printing the policy of each */
+@@ -1011,14 +1015,16 @@ srtp_session_print_policy(srtp_t srtp) {
+ "# rtp services: %s\r\n"
+ "# rtcp cipher: %s\r\n"
+ "# rtcp auth: %s\r\n"
+- "# rtcp services: %s\r\n",
++ "# rtcp services: %s\r\n"
++ "# window size: %lu\r\n",
+ stream->ssrc,
+ stream->rtp_cipher->type->description,
+ stream->rtp_auth->type->description,
+ serv_descr[stream->rtp_services],
+ stream->rtcp_cipher->type->description,
+ stream->rtcp_auth->type->description,
+- serv_descr[stream->rtcp_services]);
++ serv_descr[stream->rtcp_services],
++ rdbx_get_window_size(&stream->rtp_rdbx));
+
+ /* advance to next stream in the list */
+ stream = stream->next;
+@@ -1172,6 +1178,8 @@ srtp_validate() {
+ policy.ssrc.type = ssrc_specific;
+ policy.ssrc.value = 0xcafebabe;
+ policy.key = test_key;
++ policy.ekt = NULL;
++ policy.window_size = 128;
+ policy.next = NULL;
+
+ status = srtp_create(&srtp_snd, &policy);
+@@ -1328,6 +1336,7 @@ const srtp_policy_t default_policy = {
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
++ 128, /* replay window size */
+ NULL
+ };
+
+@@ -1351,6 +1360,7 @@ const srtp_policy_t aes_tmmh_policy = {
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
++ 128, /* replay window size */
+ NULL
+ };
+
+@@ -1374,6 +1384,7 @@ const srtp_policy_t tmmh_only_policy = {
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
++ 128, /* replay window size */
+ NULL
+ };
+
+@@ -1397,6 +1408,7 @@ const srtp_policy_t aes_only_policy = {
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
++ 128, /* replay window size */
+ NULL
+ };
+
+@@ -1420,6 +1432,7 @@ const srtp_policy_t hmac_only_policy = {
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
++ 128, /* replay window size */
+ NULL
+ };
+
+@@ -1443,6 +1456,7 @@ const srtp_policy_t null_policy = {
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
++ 128, /* replay window size */
+ NULL
+ };
+
+@@ -1480,6 +1494,7 @@ const srtp_policy_t hmac_only_with_ekt_p
+ },
+ test_key,
+ &ekt_test_policy, /* indicates that EKT is not in use */
++ 128, /* replay window size */
+ NULL
+ };
+
+@@ -1531,5 +1546,7 @@ const srtp_policy_t wildcard_policy = {
+ sec_serv_conf_and_auth /* security services flag */
+ },
+ test_key,
++ NULL,
++ 128, /* replay window size */
+ NULL
+ };
diff --git a/googlepatches/vidyo-4-srtp-rtx.patch b/googlepatches/vidyo-4-srtp-rtx.patch
new file mode 100644
index 0000000..18af19c
--- /dev/null
+++ b/googlepatches/vidyo-4-srtp-rtx.patch
@@ -0,0 +1,216 @@
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-ws/include/srtp.h srtp/include/srtp.h
+--- srtp-ws/include/srtp.h 2009-04-22 19:06:22.000000000 -0400
++++ srtp/include/srtp.h 2009-04-23 15:17:49.000000000 -0400
+@@ -225,6 +225,12 @@ typedef struct srtp_policy_t {
+ * for this stream (if any) */
+ unsigned long window_size; /**< The window size to use for replay
+ * protection. */
++ int allow_repeat_tx; /**< Whether retransmissions of
++ * packets with the same sequence number
++ * are allowed. (Note that such repeated
++ * transmissions must have the same RTP
++ * payload, or a severe security weakness
++ * is introduced!) */
+ struct srtp_policy_t *next; /**< Pointer to next stream policy. */
+ } srtp_policy_t;
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-ws/include/srtp_priv.h srtp/include/srtp_priv.h
+--- srtp-ws/include/srtp_priv.h 2007-06-15 14:17:40.000000000 -0400
++++ srtp/include/srtp_priv.h 2009-04-22 19:27:10.000000000 -0400
+@@ -218,6 +218,7 @@ typedef struct srtp_stream_ctx_t {
+ sec_serv_t rtcp_services;
+ key_limit_ctx_t *limit;
+ direction_t direction;
++ int allow_repeat_tx;
+ ekt_stream_t ekt;
+ struct srtp_stream_ctx_t *next; /* linked list of streams */
+ } srtp_stream_ctx_t;
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-ws/srtp/srtp.c srtp/srtp/srtp.c
+--- srtp-ws/srtp/srtp.c 2009-04-22 19:18:43.000000000 -0400
++++ srtp/srtp/srtp.c 2009-04-22 19:30:23.000000000 -0400
+@@ -280,6 +280,7 @@ srtp_stream_clone(const srtp_stream_ctx_
+ if (status)
+ return status;
+ rdb_init(&str->rtcp_rdb);
++ str->allow_repeat_tx = stream_template->allow_repeat_tx;
+
+ /* set ssrc to that provided */
+ str->ssrc = ssrc;
+@@ -525,6 +526,9 @@ srtp_stream_init(srtp_stream_ctx_t *srtp
+ /* initialize SRTCP replay database */
+ rdb_init(&srtp->rtcp_rdb);
+
++ /* initialize allow_repeat_tx */
++ srtp->allow_repeat_tx = p->allow_repeat_tx;
++
+ /* DAM - no RTCP key limit at present */
+
+ /* initialize keys */
+@@ -732,9 +736,12 @@ srtp_stream_init(srtp_stream_ctx_t *srtp
+ */
+ delta = rdbx_estimate_index(&stream->rtp_rdbx, &est, ntohs(hdr->seq));
+ status = rdbx_check(&stream->rtp_rdbx, delta);
+- if (status)
+- return status; /* we've been asked to reuse an index */
+- rdbx_add_index(&stream->rtp_rdbx, delta);
++ if (status) {
++ if (status != err_status_replay_fail || !stream->allow_repeat_tx)
++ return status; /* we've been asked to reuse an index */
++ }
++ else
++ rdbx_add_index(&stream->rtp_rdbx, delta);
+
+ #ifdef NO_64BIT_MATH
+ debug_print2(mod_srtp, "estimated packet index: %08x%08x",
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-ws/test/dtls_srtp_driver.c srtp/test/dtls_srtp_driver.c
+--- srtp-ws/test/dtls_srtp_driver.c 2009-04-23 15:50:48.000000000 -0400
++++ srtp/test/dtls_srtp_driver.c 2009-04-23 15:51:11.000000000 -0400
+@@ -185,6 +185,7 @@ test_dtls_srtp() {
+ policy.ssrc.type = ssrc_any_inbound;
+ policy.ekt = NULL;
+ policy.window_size = 128;
++ policy.allow_repeat_tx = 0;
+ policy.next = NULL;
+
+ err = srtp_add_stream(s, &policy);
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-ws/test/rtpw.c srtp/test/rtpw.c
+--- srtp-ws/test/rtpw.c 2009-04-22 19:16:52.000000000 -0400
++++ srtp/test/rtpw.c 2009-04-23 15:16:18.000000000 -0400
+@@ -331,6 +331,7 @@ main (int argc, char *argv[]) {
+ policy.key = (uint8_t *) key;
+ policy.next = NULL;
+ policy.window_size = 128;
++ policy.allow_repeat_tx = 0;
+ policy.rtp.sec_serv = sec_servs;
+ policy.rtcp.sec_serv = sec_serv_none; /* we don't do RTCP anyway */
+
+@@ -384,6 +385,7 @@ main (int argc, char *argv[]) {
+ policy.rtcp.auth_tag_len = 0;
+ policy.rtcp.sec_serv = sec_serv_none;
+ policy.window_size = 0;
++ policy.allow_repeat_tx = 0;
+ policy.next = NULL;
+ }
+
+diff -purN -x CVS -x '*~' -x '.*' -x 'obj-*' srtp-ws/test/srtp_driver.c srtp/test/srtp_driver.c
+--- srtp-ws/test/srtp_driver.c 2009-04-22 19:16:52.000000000 -0400
++++ srtp/test/srtp_driver.c 2009-04-23 15:16:18.000000000 -0400
+@@ -323,6 +323,7 @@ main (int argc, char *argv[]) {
+ policy.key = test_key;
+ policy.ekt = NULL;
+ policy.window_size = 128;
++ policy.allow_repeat_tx = 0;
+ policy.next = NULL;
+
+ printf("mips estimate: %e\n", mips);
+@@ -992,7 +993,8 @@ srtp_session_print_policy(srtp_t srtp) {
+ "# rtcp cipher: %s\r\n"
+ "# rtcp auth: %s\r\n"
+ "# rtcp services: %s\r\n"
+- "# window size: %lu\r\n",
++ "# window size: %lu\r\n"
++ "# tx rtx allowed:%s\r\n",
+ direction[stream->direction],
+ stream->rtp_cipher->type->description,
+ stream->rtp_auth->type->description,
+@@ -1000,7 +1002,8 @@ srtp_session_print_policy(srtp_t srtp) {
+ stream->rtcp_cipher->type->description,
+ stream->rtcp_auth->type->description,
+ serv_descr[stream->rtcp_services],
+- rdbx_get_window_size(&stream->rtp_rdbx));
++ rdbx_get_window_size(&stream->rtp_rdbx),
++ stream->allow_repeat_tx ? "true" : "false");
+ }
+
+ /* loop over streams in session, printing the policy of each */
+@@ -1016,7 +1019,8 @@ srtp_session_print_policy(srtp_t srtp) {
+ "# rtcp cipher: %s\r\n"
+ "# rtcp auth: %s\r\n"
+ "# rtcp services: %s\r\n"
+- "# window size: %lu\r\n",
++ "# window size: %lu\r\n"
++ "# tx rtx allowed:%s\r\n",
+ stream->ssrc,
+ stream->rtp_cipher->type->description,
+ stream->rtp_auth->type->description,
+@@ -1024,7 +1028,8 @@ srtp_session_print_policy(srtp_t srtp) {
+ stream->rtcp_cipher->type->description,
+ stream->rtcp_auth->type->description,
+ serv_descr[stream->rtcp_services],
+- rdbx_get_window_size(&stream->rtp_rdbx));
++ rdbx_get_window_size(&stream->rtp_rdbx),
++ stream->allow_repeat_tx ? "true" : "false");
+
+ /* advance to next stream in the list */
+ stream = stream->next;
+@@ -1180,6 +1185,7 @@ srtp_validate() {
+ policy.key = test_key;
+ policy.ekt = NULL;
+ policy.window_size = 128;
++ policy.allow_repeat_tx = 0;
+ policy.next = NULL;
+
+ status = srtp_create(&srtp_snd, &policy);
+@@ -1337,6 +1343,7 @@ const srtp_policy_t default_policy = {
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
++ 0, /* retransmission not allowed */
+ NULL
+ };
+
+@@ -1361,6 +1368,7 @@ const srtp_policy_t aes_tmmh_policy = {
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
++ 0, /* retransmission not allowed */
+ NULL
+ };
+
+@@ -1385,6 +1393,7 @@ const srtp_policy_t tmmh_only_policy = {
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
++ 0, /* retransmission not allowed */
+ NULL
+ };
+
+@@ -1409,6 +1418,7 @@ const srtp_policy_t aes_only_policy = {
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
++ 0, /* retransmission not allowed */
+ NULL
+ };
+
+@@ -1433,6 +1443,7 @@ const srtp_policy_t hmac_only_policy = {
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
++ 0, /* retransmission not allowed */
+ NULL
+ };
+
+@@ -1457,6 +1468,7 @@ const srtp_policy_t null_policy = {
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
++ 0, /* retransmission not allowed */
+ NULL
+ };
+
+@@ -1495,6 +1507,7 @@ const srtp_policy_t hmac_only_with_ekt_p
+ test_key,
+ &ekt_test_policy, /* indicates that EKT is not in use */
+ 128, /* replay window size */
++ 0, /* retransmission not allowed */
+ NULL
+ };
+
+@@ -1548,5 +1561,6 @@ const srtp_policy_t wildcard_policy = {
+ test_key,
+ NULL,
+ 128, /* replay window size */
++ 0, /* retransmission not allowed */
+ NULL
+ };
diff --git a/include/ekt.h b/include/ekt.h
new file mode 100644
index 0000000..c43f409
--- /dev/null
+++ b/include/ekt.h
@@ -0,0 +1,201 @@
+/*
+ * ekt.h
+ *
+ * interface to Encrypted Key Transport for SRTP
+ *
+ * David McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2005 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+
+/*
+ * EKT implementation strategy
+ *
+ * use stream_template approach
+ *
+ * in srtp_unprotect, when a new stream appears, check if template has
+ * EKT defined, and if it does, then apply EKT processing
+ *
+ * question: will we want to allow key-sharing templates in addition
+ * to EKT templates? could define a new ssrc_type_t that's associated
+ * with an EKT, e.g. ssrc_any_ekt.
+ *
+ *
+ */
+
+#ifndef EKT_H
+#define EKT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "srtp_priv.h"
+
+#define EKT_CIPHER_DEFAULT 1
+#define EKT_CIPHER_AES_128_ECB 1
+#define EKT_CIPHER_AES_192_KEY_WRAP 2
+#define EKT_CIPHER_AES_256_KEY_WRAP 3
+
+typedef uint16_t ekt_spi_t;
+
+
+unsigned
+ekt_octets_after_base_tag(ekt_stream_t ekt);
+
+/*
+ * an srtp_policy_t structure can contain a pointer to an
+ * ekt_policy_t structure
+ *
+ * this structure holds all of the high level EKT information, and it
+ * is passed into libsrtp to indicate what policy should be in effect
+ */
+
+typedef struct ekt_policy_ctx_t {
+ ekt_spi_t spi; /* security parameter index */
+ uint8_t ekt_cipher_type;
+ uint8_t *ekt_key;
+ struct ekt_policy_ctx_t *next_ekt_policy;
+} ekt_policy_ctx_t;
+
+
+/*
+ * an ekt_data_t structure holds the data corresponding to an ekt key,
+ * spi, and so on
+ */
+
+typedef struct ekt_data_t {
+ ekt_spi_t spi;
+ uint8_t ekt_cipher_type;
+ aes_expanded_key_t ekt_enc_key;
+ aes_expanded_key_t ekt_dec_key;
+ struct ekt_data_t *next_ekt_data;
+} ekt_data_t;
+
+/*
+ * an srtp_stream_ctx_t can contain an ekt_stream_ctx_t
+ *
+ * an ekt_stream_ctx_t structure holds all of the EKT information for
+ * a specific SRTP stream
+ */
+
+typedef struct ekt_stream_ctx_t {
+ ekt_data_t *data;
+ uint16_t isn; /* initial sequence number */
+ uint8_t encrypted_master_key[SRTP_MAX_KEY_LEN];
+} ekt_stream_ctx_t;
+
+
+
+err_status_t
+ekt_alloc(ekt_stream_t *stream_data, ekt_policy_t policy);
+
+err_status_t
+ekt_stream_init(ekt_stream_t e,
+ ekt_spi_t spi,
+ void *ekt_key,
+ unsigned ekt_cipher_type);
+
+err_status_t
+ekt_stream_init_from_policy(ekt_stream_t e, ekt_policy_t p);
+
+
+
+err_status_t
+srtp_stream_init_from_ekt(srtp_stream_t stream,
+ const void *srtcp_hdr,
+ unsigned pkt_octet_len);
+
+
+void
+ekt_write_data(ekt_stream_t ekt,
+ void *base_tag,
+ unsigned base_tag_len,
+ int *packet_len,
+ xtd_seq_num_t pkt_index);
+
+/*
+ * We handle EKT by performing some additional steps before
+ * authentication (copying the auth tag into a temporary location,
+ * zeroizing the "base tag" field in the packet)
+ *
+ * With EKT, the tag_len parameter is actually the base tag
+ * length
+ */
+
+err_status_t
+ekt_tag_verification_preproces(uint8_t *pkt_tag,
+ uint8_t *pkt_tag_copy,
+ unsigned tag_len);
+
+err_status_t
+ekt_tag_verification_postproces(uint8_t *pkt_tag,
+ uint8_t *pkt_tag_copy,
+ unsigned tag_len);
+
+
+/*
+ * @brief EKT pre-processing for srtcp tag generation
+ *
+ * This function does the pre-processing of the SRTCP authentication
+ * tag format. When EKT is used, it consists of writing the Encrypted
+ * Master Key, the SRTP ROC, the Initial Sequence Number, and SPI
+ * fields. The Base Authentication Tag field is set to the all-zero
+ * value
+ *
+ * When EKT is not used, this function is a no-op.
+ *
+ */
+
+err_status_t
+srtp_stream_srtcp_auth_tag_generation_preprocess(const srtp_stream_t *s,
+ uint8_t *pkt_tag,
+ unsigned pkt_octet_len);
+
+/* it's not clear that a tag_generation_postprocess function is needed */
+
+err_status_t
+srtcp_auth_tag_generation_postprocess();
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* EKT_H */
diff --git a/include/getopt_s.h b/include/getopt_s.h
new file mode 100644
index 0000000..2a6ece3
--- /dev/null
+++ b/include/getopt_s.h
@@ -0,0 +1,60 @@
+/*
+ * getopt.h
+ *
+ * interface to a minimal implementation of the getopt() function,
+ * written so that test applications that use that function can run on
+ * non-POSIX platforms
+ *
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GETOPT_S_H
+#define GETOPT_S_H
+
+/*
+ * getopt_s(), optarg_s, and optind_s are small, locally defined
+ * versions of the POSIX standard getopt() interface.
+ */
+
+int
+getopt_s(int argc, char * const argv[], const char *optstring);
+
+extern char *optarg_s; /* defined in getopt.c */
+
+extern int optind_s; /* defined in getopt.c */
+
+#endif /* GETOPT_S_H */
diff --git a/include/rtp.h b/include/rtp.h
new file mode 100644
index 0000000..94279f5
--- /dev/null
+++ b/include/rtp.h
@@ -0,0 +1,127 @@
+/*
+ * rtp.h
+ *
+ * rtp interface for srtp reference implementation
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ * data types:
+ *
+ * rtp_msg_t an rtp message (the data that goes on the wire)
+ * rtp_sender_t sender side socket and rtp info
+ * rtp_receiver_t receiver side socket and rtp info
+ *
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef RTP_H
+#define RTP_H
+
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#elif defined HAVE_WINSOCK2_H
+# include <winsock2.h>
+#endif
+
+#include "srtp.h"
+
+typedef struct rtp_sender_ctx_t *rtp_sender_t;
+
+typedef struct rtp_receiver_ctx_t *rtp_receiver_t;
+
+unsigned int
+rtp_sendto(rtp_sender_t sender, const void* msg, int len);
+
+unsigned int
+rtp_recvfrom(rtp_receiver_t receiver, void *msg, int *len);
+
+int
+rtp_receiver_init(rtp_receiver_t rcvr, int socket,
+ struct sockaddr_in addr, unsigned int ssrc);
+
+int
+rtp_sender_init(rtp_sender_t sender, int socket,
+ struct sockaddr_in addr, unsigned int ssrc);
+
+/*
+ * srtp_sender_init(...) initializes an rtp_sender_t
+ */
+
+int
+srtp_sender_init(rtp_sender_t rtp_ctx, /* structure to be init'ed */
+ struct sockaddr_in name, /* socket name */
+ sec_serv_t security_services, /* sec. servs. to be used */
+ unsigned char *input_key /* master key/salt in hex */
+ );
+
+int
+srtp_receiver_init(rtp_receiver_t rtp_ctx, /* structure to be init'ed */
+ struct sockaddr_in name, /* socket name */
+ sec_serv_t security_services, /* sec. servs. to be used */
+ unsigned char *input_key /* master key/salt in hex */
+ );
+
+
+int
+rtp_sender_init_srtp(rtp_sender_t sender, const srtp_policy_t *policy);
+
+int
+rtp_receiver_init_srtp(rtp_receiver_t sender, const srtp_policy_t *policy);
+
+
+rtp_sender_t
+rtp_sender_alloc();
+
+rtp_receiver_t
+rtp_receiver_alloc();
+
+
+/*
+ * RTP_HEADER_LEN indicates the size of an RTP header
+ */
+#define RTP_HEADER_LEN 12
+
+/*
+ * RTP_MAX_BUF_LEN defines the largest RTP packet in the rtp.c implementation
+ */
+#define RTP_MAX_BUF_LEN 16384
+
+
+#endif /* RTP_H */
diff --git a/include/rtp_priv.h b/include/rtp_priv.h
new file mode 100644
index 0000000..1421386
--- /dev/null
+++ b/include/rtp_priv.h
@@ -0,0 +1,74 @@
+/*
+ * rtp_priv.h
+ *
+ * private, internal header file for RTP
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef RTP_PRIV_H
+#define RTP_PRIV_H
+
+#include "srtp_priv.h"
+#include "rtp.h"
+
+typedef srtp_hdr_t rtp_hdr_t;
+
+typedef struct {
+ srtp_hdr_t header;
+ char body[RTP_MAX_BUF_LEN];
+} rtp_msg_t;
+
+typedef struct rtp_sender_ctx_t {
+ rtp_msg_t message;
+ int socket;
+ srtp_ctx_t *srtp_ctx;
+ struct sockaddr_in addr; /* reciever's address */
+} rtp_sender_ctx_t;
+
+typedef struct rtp_receiver_ctx_t {
+ rtp_msg_t message;
+ int socket;
+ srtp_ctx_t *srtp_ctx;
+ struct sockaddr_in addr; /* receiver's address */
+} rtp_receiver_ctx_t;
+
+
+#endif /* RTP_PRIV_H */
diff --git a/include/srtp.h b/include/srtp.h
new file mode 100644
index 0000000..bbaac95
--- /dev/null
+++ b/include/srtp.h
@@ -0,0 +1,933 @@
+/*
+ * srtp.h
+ *
+ * interface to libsrtp
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#ifndef SRTP_H
+#define SRTP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "crypto_kernel.h"
+
+/**
+ * @defgroup SRTP Secure RTP
+ *
+ * @brief libSRTP provides functions for protecting RTP and RTCP. See
+ * Section @ref Overview for an introduction to the use of the library.
+ *
+ * @{
+ */
+
+/*
+ * SRTP_MASTER_KEY_LEN is the nominal master key length supported by libSRTP
+ */
+
+#define SRTP_MASTER_KEY_LEN 30
+
+/*
+ * SRTP_MAX_KEY_LEN is the maximum key length supported by libSRTP
+ */
+#define SRTP_MAX_KEY_LEN 64
+
+/*
+ * SRTP_MAX_TAG_LEN is the maximum tag length supported by libSRTP
+ */
+
+#define SRTP_MAX_TAG_LEN 12
+
+/**
+ * SRTP_MAX_TRAILER_LEN is the maximum length of the SRTP trailer
+ * (authentication tag and MKI) supported by libSRTP. This value is
+ * the maximum number of octets that will be added to an RTP packet by
+ * srtp_protect().
+ *
+ * @brief the maximum number of octets added by srtp_protect().
+ */
+#define SRTP_MAX_TRAILER_LEN SRTP_MAX_TAG_LEN
+
+/*
+ * nota bene: since libSRTP doesn't support the use of the MKI, the
+ * SRTP_MAX_TRAILER_LEN value is just the maximum tag length
+ */
+
+/**
+ * @brief sec_serv_t describes a set of security services.
+ *
+ * A sec_serv_t enumeration is used to describe the particular
+ * security services that will be applied by a particular crypto
+ * policy (or other mechanism).
+ */
+
+typedef enum {
+ sec_serv_none = 0, /**< no services */
+ sec_serv_conf = 1, /**< confidentiality */
+ sec_serv_auth = 2, /**< authentication */
+ sec_serv_conf_and_auth = 3 /**< confidentiality and authentication */
+} sec_serv_t;
+
+/**
+ * @brief crypto_policy_t describes a particular crypto policy that
+ * can be applied to an SRTP stream.
+ *
+ * A crypto_policy_t describes a particular cryptographic policy that
+ * can be applied to an SRTP or SRTCP stream. An SRTP session policy
+ * consists of a list of these policies, one for each SRTP stream
+ * in the session.
+ */
+
+typedef struct crypto_policy_t {
+ cipher_type_id_t cipher_type; /**< An integer representing
+ * the type of cipher. */
+ int cipher_key_len; /**< The length of the cipher key
+ * in octets. */
+ auth_type_id_t auth_type; /**< An integer representing the
+ * authentication function. */
+ int auth_key_len; /**< The length of the authentication
+ * function key in octets. */
+ int auth_tag_len; /**< The length of the authentication
+ * tag in octets. */
+ sec_serv_t sec_serv; /**< The flag indicating the security
+ * services to be applied. */
+} crypto_policy_t;
+
+
+/**
+ * @brief ssrc_type_t describes the type of an SSRC.
+ *
+ * An ssrc_type_t enumeration is used to indicate a type of SSRC. See
+ * @ref srtp_policy_t for more informataion.
+ */
+
+typedef enum {
+ ssrc_undefined = 0, /**< Indicates an undefined SSRC type. */
+ ssrc_specific = 1, /**< Indicates a specific SSRC value */
+ ssrc_any_inbound = 2, /**< Indicates any inbound SSRC value
+ (i.e. a value that is used in the
+ function srtp_unprotect()) */
+ ssrc_any_outbound = 3 /**< Indicates any outbound SSRC value
+ (i.e. a value that is used in the
+ function srtp_protect()) */
+} ssrc_type_t;
+
+/**
+ * @brief An ssrc_t represents a particular SSRC value, or a `wildcard' SSRC.
+ *
+ * An ssrc_t represents a particular SSRC value (if its type is
+ * ssrc_specific), or a wildcard SSRC value that will match all
+ * outbound SSRCs (if its type is ssrc_any_outbound) or all inbound
+ * SSRCs (if its type is ssrc_any_inbound).
+ *
+ */
+
+typedef struct {
+ ssrc_type_t type; /**< The type of this particular SSRC */
+ unsigned int value; /**< The value of this SSRC, if it is not a wildcard */
+} ssrc_t;
+
+
+/**
+ * @brief points to an EKT policy
+ */
+typedef struct ekt_policy_ctx_t *ekt_policy_t;
+
+
+/**
+ * @brief points to EKT stream data
+ */
+typedef struct ekt_stream_ctx_t *ekt_stream_t;
+
+
+/**
+ * @brief represents the policy for an SRTP session.
+ *
+ * A single srtp_policy_t struct represents the policy for a single
+ * SRTP stream, and a linked list of these elements represents the
+ * policy for an entire SRTP session. Each element contains the SRTP
+ * and SRTCP crypto policies for that stream, a pointer to the SRTP
+ * master key for that stream, the SSRC describing that stream, or a
+ * flag indicating a `wildcard' SSRC value, and a `next' field that
+ * holds a pointer to the next element in the list of policy elements,
+ * or NULL if it is the last element.
+ *
+ * The wildcard value SSRC_ANY_INBOUND matches any SSRC from an
+ * inbound stream that for which there is no explicit SSRC entry in
+ * another policy element. Similarly, the value SSRC_ANY_OUTBOUND
+ * will matches any SSRC from an outbound stream that does not appear
+ * in another policy element. Note that wildcard SSRCs &b cannot be
+ * used to match both inbound and outbound traffic. This restriction
+ * is intentional, and it allows libSRTP to ensure that no security
+ * lapses result from accidental re-use of SSRC values during key
+ * sharing.
+ *
+ *
+ * @warning The final element of the list @b must have its `next' pointer
+ * set to NULL.
+ */
+
+typedef struct srtp_policy_t {
+ ssrc_t ssrc; /**< The SSRC value of stream, or the
+ * flags SSRC_ANY_INBOUND or
+ * SSRC_ANY_OUTBOUND if key sharing
+ * is used for this policy element.
+ */
+ crypto_policy_t rtp; /**< SRTP crypto policy. */
+ crypto_policy_t rtcp; /**< SRTCP crypto policy. */
+ unsigned char *key; /**< Pointer to the SRTP master key for
+ * this stream. */
+ ekt_policy_t ekt; /**< Pointer to the EKT policy structure
+ * for this stream (if any) */
+ unsigned long window_size; /**< The window size to use for replay
+ * protection. */
+ int allow_repeat_tx; /**< Whether retransmissions of
+ * packets with the same sequence number
+ * are allowed. (Note that such repeated
+ * transmissions must have the same RTP
+ * payload, or a severe security weakness
+ * is introduced!) */
+ struct srtp_policy_t *next; /**< Pointer to next stream policy. */
+} srtp_policy_t;
+
+
+
+
+/**
+ * @brief An srtp_t points to an SRTP session structure.
+ *
+ * The typedef srtp_t is a pointer to a structure that represents
+ * an SRTP session. This datatype is intentially opaque in
+ * order to separate the interface from the implementation.
+ *
+ * An SRTP session consists of all of the traffic sent to the RTP and
+ * RTCP destination transport addresses, using the RTP/SAVP (Secure
+ * Audio/Video Profile). A session can be viewed as a set of SRTP
+ * streams, each of which originates with a different participant.
+ */
+
+typedef struct srtp_ctx_t *srtp_t;
+
+
+/**
+ * @brief An srtp_stream_t points to an SRTP stream structure.
+ *
+ * The typedef srtp_stream_t is a pointer to a structure that
+ * represents an SRTP stream. This datatype is intentionally
+ * opaque in order to separate the interface from the implementation.
+ *
+ * An SRTP stream consists of all of the traffic sent to an SRTP
+ * session by a single participant. A session can be viewed as
+ * a set of streams.
+ *
+ */
+typedef struct srtp_stream_ctx_t *srtp_stream_t;
+
+
+
+/**
+ * @brief srtp_init() initializes the srtp library.
+ *
+ * @warning This function @b must be called before any other srtp
+ * functions.
+ */
+
+err_status_t
+srtp_init(void);
+
+/**
+ * @brief srtp_protect() is the Secure RTP sender-side packet processing
+ * function.
+ *
+ * The function call srtp_protect(ctx, rtp_hdr, len_ptr) applies SRTP
+ * protection to the RTP packet rtp_hdr (which has length *len_ptr) using
+ * the SRTP context ctx. If err_status_ok is returned, then rtp_hdr
+ * points to the resulting SRTP packet and *len_ptr is the number of
+ * octets in that packet; otherwise, no assumptions should be made
+ * about the value of either data elements.
+ *
+ * The sequence numbers of the RTP packets presented to this function
+ * need not be consecutive, but they @b must be out of order by less
+ * than 2^15 = 32,768 packets.
+ *
+ * @warning This function assumes that it can write the authentication
+ * tag into the location in memory immediately following the RTP
+ * packet, and assumes that the RTP packet is aligned on a 32-bit
+ * boundary.
+ *
+ * @param ctx is the SRTP context to use in processing the packet.
+ *
+ * @param rtp_hdr is a pointer to the RTP packet (before the call); after
+ * the function returns, it points to the srtp packet.
+ *
+ * @param len_ptr is a pointer to the length in octets of the complete
+ * RTP packet (header and body) before the function call, and of the
+ * complete SRTP packet after the call, if err_status_ok was returned.
+ * Otherwise, the value of the data to which it points is undefined.
+ *
+ * @return
+ * - err_status_ok no problems
+ * - err_status_replay_fail rtp sequence number was non-increasing
+ * - @e other failure in cryptographic mechanisms
+ */
+
+err_status_t
+srtp_protect(srtp_t ctx, void *rtp_hdr, int *len_ptr);
+
+/**
+ * @brief srtp_unprotect() is the Secure RTP receiver-side packet
+ * processing function.
+ *
+ * The function call srtp_unprotect(ctx, srtp_hdr, len_ptr) verifies
+ * the Secure RTP protection of the SRTP packet pointed to by srtp_hdr
+ * (which has length *len_ptr), using the SRTP context ctx. If
+ * err_status_ok is returned, then srtp_hdr points to the resulting
+ * RTP packet and *len_ptr is the number of octets in that packet;
+ * otherwise, no assumptions should be made about the value of either
+ * data elements.
+ *
+ * The sequence numbers of the RTP packets presented to this function
+ * need not be consecutive, but they @b must be out of order by less
+ * than 2^15 = 32,768 packets.
+ *
+ * @warning This function assumes that the SRTP packet is aligned on a
+ * 32-bit boundary.
+ *
+ * @param ctx is a pointer to the srtp_t which applies to the
+ * particular packet.
+ *
+ * @param srtp_hdr is a pointer to the header of the SRTP packet
+ * (before the call). after the function returns, it points to the
+ * rtp packet if err_status_ok was returned; otherwise, the value of
+ * the data to which it points is undefined.
+ *
+ * @param len_ptr is a pointer to the length in octets of the complete
+ * srtp packet (header and body) before the function call, and of the
+ * complete rtp packet after the call, if err_status_ok was returned.
+ * Otherwise, the value of the data to which it points is undefined.
+ *
+ * @return
+ * - err_status_ok if the RTP packet is valid.
+ * - err_status_auth_fail if the SRTP packet failed the message
+ * authentication check.
+ * - err_status_replay_fail if the SRTP packet is a replay (e.g. packet has
+ * already been processed and accepted).
+ * - [other] if there has been an error in the cryptographic mechanisms.
+ *
+ */
+
+err_status_t
+srtp_unprotect(srtp_t ctx, void *srtp_hdr, int *len_ptr);
+
+
+/**
+ * @brief srtp_create() allocates and initializes an SRTP session.
+
+ * The function call srtp_create(session, policy, key) allocates and
+ * initializes an SRTP session context, applying the given policy and
+ * key.
+ *
+ * @param session is the SRTP session to which the policy is to be added.
+ *
+ * @param policy is the srtp_policy_t struct that describes the policy
+ * for the session. The struct may be a single element, or it may be
+ * the head of a list, in which case each element of the list is
+ * processed. It may also be NULL, in which case streams should be added
+ * later using srtp_add_stream(). The final element of the list @b must
+ * have its `next' field set to NULL.
+ *
+ * @return
+ * - err_status_ok if creation succeded.
+ * - err_status_alloc_fail if allocation failed.
+ * - err_status_init_fail if initialization failed.
+ */
+
+err_status_t
+srtp_create(srtp_t *session, const srtp_policy_t *policy);
+
+
+/**
+ * @brief srtp_add_stream() allocates and initializes an SRTP stream
+ * within a given SRTP session.
+ *
+ * The function call srtp_add_stream(session, policy) allocates and
+ * initializes a new SRTP stream within a given, previously created
+ * session, applying the policy given as the other argument to that
+ * stream.
+ *
+ * @return values:
+ * - err_status_ok if stream creation succeded.
+ * - err_status_alloc_fail if stream allocation failed
+ * - err_status_init_fail if stream initialization failed.
+ */
+
+err_status_t
+srtp_add_stream(srtp_t session,
+ const srtp_policy_t *policy);
+
+
+/**
+ * @brief srtp_remove_stream() deallocates an SRTP stream.
+ *
+ * The function call srtp_remove_stream(session, ssrc) removes
+ * the SRTP stream with the SSRC value ssrc from the SRTP session
+ * context given by the argument session.
+ *
+ * @param session is the SRTP session from which the stream
+ * will be removed.
+ *
+ * @param ssrc is the SSRC value of the stream to be removed.
+ *
+ * @warning Wildcard SSRC values cannot be removed from a
+ * session.
+ *
+ * @return
+ * - err_status_ok if the stream deallocation succeded.
+ * - [other] otherwise.
+ *
+ */
+
+err_status_t
+srtp_remove_stream(srtp_t session, unsigned int ssrc);
+
+/**
+ * @brief crypto_policy_set_rtp_default() sets a crypto policy
+ * structure to the SRTP default policy for RTP protection.
+ *
+ * @param p is a pointer to the policy structure to be set
+ *
+ * The function call crypto_policy_set_rtp_default(&p) sets the
+ * crypto_policy_t at location p to the SRTP default policy for RTP
+ * protection, as defined in the specification. This function is a
+ * convenience that helps to avoid dealing directly with the policy
+ * data structure. You are encouraged to initialize policy elements
+ * with this function call. Doing so may allow your code to be
+ * forward compatible with later versions of libSRTP that include more
+ * elements in the crypto_policy_t datatype.
+ *
+ * @return void.
+ *
+ */
+
+void
+crypto_policy_set_rtp_default(crypto_policy_t *p);
+
+/**
+ * @brief crypto_policy_set_rtcp_default() sets a crypto policy
+ * structure to the SRTP default policy for RTCP protection.
+ *
+ * @param p is a pointer to the policy structure to be set
+ *
+ * The function call crypto_policy_set_rtcp_default(&p) sets the
+ * crypto_policy_t at location p to the SRTP default policy for RTCP
+ * protection, as defined in the specification. This function is a
+ * convenience that helps to avoid dealing directly with the policy
+ * data structure. You are encouraged to initialize policy elements
+ * with this function call. Doing so may allow your code to be
+ * forward compatible with later versions of libSRTP that include more
+ * elements in the crypto_policy_t datatype.
+ *
+ * @return void.
+ *
+ */
+
+void
+crypto_policy_set_rtcp_default(crypto_policy_t *p);
+
+/**
+ * @brief crypto_policy_set_aes_cm_128_hmac_sha1_80() sets a crypto
+ * policy structure to the SRTP default policy for RTP protection.
+ *
+ * @param p is a pointer to the policy structure to be set
+ *
+ * The function crypto_policy_set_aes_cm_128_hmac_sha1_80() is a
+ * synonym for crypto_policy_set_rtp_default(). It conforms to the
+ * naming convention used in
+ * http://www.ietf.org/internet-drafts/draft-ietf-mmusic-sdescriptions-12.txt
+ *
+ * @return void.
+ *
+ */
+
+#define crypto_policy_set_aes_cm_128_hmac_sha1_80(p) crypto_policy_set_rtp_default(p)
+
+
+/**
+ * @brief crypto_policy_set_aes_cm_128_hmac_sha1_32() sets a crypto
+ * policy structure to a short-authentication tag policy
+ *
+ * @param p is a pointer to the policy structure to be set
+ *
+ * The function call crypto_policy_set_aes_cm_128_hmac_sha1_32(&p)
+ * sets the crypto_policy_t at location p to use policy
+ * AES_CM_128_HMAC_SHA1_32 as defined in
+ * draft-ietf-mmusic-sdescriptions-12.txt. This policy uses AES-128
+ * Counter Mode encryption and HMAC-SHA1 authentication, with an
+ * authentication tag that is only 32 bits long. This length is
+ * considered adequate only for protecting audio and video media that
+ * use a stateless playback function. See Section 7.5 of RFC 3711
+ * (http://www.ietf.org/rfc/rfc3711.txt).
+ *
+ * This function is a convenience that helps to avoid dealing directly
+ * with the policy data structure. You are encouraged to initialize
+ * policy elements with this function call. Doing so may allow your
+ * code to be forward compatible with later versions of libSRTP that
+ * include more elements in the crypto_policy_t datatype.
+ *
+ * @warning This crypto policy is intended for use in SRTP, but not in
+ * SRTCP. It is recommended that a policy that uses longer
+ * authentication tags be used for SRTCP. See Section 7.5 of RFC 3711
+ * (http://www.ietf.org/rfc/rfc3711.txt).
+ *
+ * @return void.
+ *
+ */
+
+void
+crypto_policy_set_aes_cm_128_hmac_sha1_32(crypto_policy_t *p);
+
+
+
+/**
+ * @brief crypto_policy_set_aes_cm_128_null_auth() sets a crypto
+ * policy structure to an encryption-only policy
+ *
+ * @param p is a pointer to the policy structure to be set
+ *
+ * The function call crypto_policy_set_aes_cm_128_null_auth(&p) sets
+ * the crypto_policy_t at location p to use the SRTP default cipher
+ * (AES-128 Counter Mode), but to use no authentication method. This
+ * policy is NOT RECOMMENDED unless it is unavoidable; see Section 7.5
+ * of RFC 3711 (http://www.ietf.org/rfc/rfc3711.txt).
+ *
+ * This function is a convenience that helps to avoid dealing directly
+ * with the policy data structure. You are encouraged to initialize
+ * policy elements with this function call. Doing so may allow your
+ * code to be forward compatible with later versions of libSRTP that
+ * include more elements in the crypto_policy_t datatype.
+ *
+ * @warning This policy is NOT RECOMMENDED for SRTP unless it is
+ * unavoidable, and it is NOT RECOMMENDED at all for SRTCP; see
+ * Section 7.5 of RFC 3711 (http://www.ietf.org/rfc/rfc3711.txt).
+ *
+ * @return void.
+ *
+ */
+
+void
+crypto_policy_set_aes_cm_128_null_auth(crypto_policy_t *p);
+
+
+/**
+ * @brief crypto_policy_set_null_cipher_hmac_sha1_80() sets a crypto
+ * policy structure to an authentication-only policy
+ *
+ * @param p is a pointer to the policy structure to be set
+ *
+ * The function call crypto_policy_set_null_cipher_hmac_sha1_80(&p)
+ * sets the crypto_policy_t at location p to use HMAC-SHA1 with an 80
+ * bit authentication tag to provide message authentication, but to
+ * use no encryption. This policy is NOT RECOMMENDED for SRTP unless
+ * there is a requirement to forego encryption.
+ *
+ * This function is a convenience that helps to avoid dealing directly
+ * with the policy data structure. You are encouraged to initialize
+ * policy elements with this function call. Doing so may allow your
+ * code to be forward compatible with later versions of libSRTP that
+ * include more elements in the crypto_policy_t datatype.
+ *
+ * @warning This policy is NOT RECOMMENDED for SRTP unless there is a
+ * requirement to forego encryption.
+ *
+ * @return void.
+ *
+ */
+
+void
+crypto_policy_set_null_cipher_hmac_sha1_80(crypto_policy_t *p);
+
+/**
+ * @brief srtp_dealloc() deallocates storage for an SRTP session
+ * context.
+ *
+ * The function call srtp_dealloc(s) deallocates storage for the
+ * SRTP session context s. This function should be called no more
+ * than one time for each of the contexts allocated by the function
+ * srtp_create().
+ *
+ * @param s is the srtp_t for the session to be deallocated.
+ *
+ * @return
+ * - err_status_ok if there no problems.
+ * - err_status_dealloc_fail a memory deallocation failure occured.
+ */
+
+err_status_t
+srtp_dealloc(srtp_t s);
+
+
+/*
+ * @brief identifies a particular SRTP profile
+ *
+ * An srtp_profile_t enumeration is used to identify a particular SRTP
+ * profile (that is, a set of algorithms and parameters). These
+ * profiles are defined in the DTLS-SRTP draft.
+ */
+
+typedef enum {
+ srtp_profile_reserved = 0,
+ srtp_profile_aes128_cm_sha1_80 = 1,
+ srtp_profile_aes128_cm_sha1_32 = 2,
+ srtp_profile_aes256_cm_sha1_80 = 3,
+ srtp_profile_aes256_cm_sha1_32 = 4,
+ srtp_profile_null_sha1_80 = 5,
+ srtp_profile_null_sha1_32 = 6,
+} srtp_profile_t;
+
+
+/**
+ * @brief crypto_policy_set_from_profile_for_rtp() sets a crypto policy
+ * structure to the appropriate value for RTP based on an srtp_profile_t
+ *
+ * @param p is a pointer to the policy structure to be set
+ *
+ * The function call crypto_policy_set_rtp_default(&policy, profile)
+ * sets the crypto_policy_t at location policy to the policy for RTP
+ * protection, as defined by the srtp_profile_t profile.
+ *
+ * This function is a convenience that helps to avoid dealing directly
+ * with the policy data structure. You are encouraged to initialize
+ * policy elements with this function call. Doing so may allow your
+ * code to be forward compatible with later versions of libSRTP that
+ * include more elements in the crypto_policy_t datatype.
+ *
+ * @return values
+ * - err_status_ok no problems were encountered
+ * - err_status_bad_param the profile is not supported
+ *
+ */
+err_status_t
+crypto_policy_set_from_profile_for_rtp(crypto_policy_t *policy,
+ srtp_profile_t profile);
+
+
+
+
+/**
+ * @brief crypto_policy_set_from_profile_for_rtcp() sets a crypto policy
+ * structure to the appropriate value for RTCP based on an srtp_profile_t
+ *
+ * @param p is a pointer to the policy structure to be set
+ *
+ * The function call crypto_policy_set_rtcp_default(&policy, profile)
+ * sets the crypto_policy_t at location policy to the policy for RTCP
+ * protection, as defined by the srtp_profile_t profile.
+ *
+ * This function is a convenience that helps to avoid dealing directly
+ * with the policy data structure. You are encouraged to initialize
+ * policy elements with this function call. Doing so may allow your
+ * code to be forward compatible with later versions of libSRTP that
+ * include more elements in the crypto_policy_t datatype.
+ *
+ * @return values
+ * - err_status_ok no problems were encountered
+ * - err_status_bad_param the profile is not supported
+ *
+ */
+err_status_t
+crypto_policy_set_from_profile_for_rtcp(crypto_policy_t *policy,
+ srtp_profile_t profile);
+
+/**
+ * @brief returns the master key length for a given SRTP profile
+ */
+unsigned int
+srtp_profile_get_master_key_length(srtp_profile_t profile);
+
+
+/**
+ * @brief returns the master salt length for a given SRTP profile
+ */
+unsigned int
+srtp_profile_get_master_salt_length(srtp_profile_t profile);
+
+/**
+ * @brief appends the salt to the key
+ *
+ * The function call append_salt_to_key(k, klen, s, slen)
+ * copies the string s to the location at klen bytes following
+ * the location k.
+ *
+ * @warning There must be at least bytes_in_salt + bytes_in_key bytes
+ * available at the location pointed to by key.
+ *
+ */
+
+void
+append_salt_to_key(unsigned char *key, unsigned int bytes_in_key,
+ unsigned char *salt, unsigned int bytes_in_salt);
+
+
+
+/**
+ * @}
+ */
+
+
+
+/**
+ * @defgroup SRTCP Secure RTCP
+ * @ingroup SRTP
+ *
+ * @brief Secure RTCP functions are used to protect RTCP traffic.
+ *
+ * RTCP is the control protocol for RTP. libSRTP protects RTCP
+ * traffic in much the same way as it does RTP traffic. The function
+ * srtp_protect_rtcp() applies cryptographic protections to outbound
+ * RTCP packets, and srtp_unprotect_rtcp() verifies the protections on
+ * inbound RTCP packets.
+ *
+ * A note on the naming convention: srtp_protect_rtcp() has an srtp_t
+ * as its first argument, and thus has `srtp_' as its prefix. The
+ * trailing `_rtcp' indicates the protocol on which it acts.
+ *
+ * @{
+ */
+
+/**
+ * @brief srtp_protect_rtcp() is the Secure RTCP sender-side packet
+ * processing function.
+ *
+ * The function call srtp_protect_rtcp(ctx, rtp_hdr, len_ptr) applies
+ * SRTCP protection to the RTCP packet rtcp_hdr (which has length
+ * *len_ptr) using the SRTP session context ctx. If err_status_ok is
+ * returned, then rtp_hdr points to the resulting SRTCP packet and
+ * *len_ptr is the number of octets in that packet; otherwise, no
+ * assumptions should be made about the value of either data elements.
+ *
+ * @warning This function assumes that it can write the authentication
+ * tag into the location in memory immediately following the RTCP
+ * packet, and assumes that the RTCP packet is aligned on a 32-bit
+ * boundary.
+ *
+ * @param ctx is the SRTP context to use in processing the packet.
+ *
+ * @param rtcp_hdr is a pointer to the RTCP packet (before the call); after
+ * the function returns, it points to the srtp packet.
+ *
+ * @param pkt_octet_len is a pointer to the length in octets of the
+ * complete RTCP packet (header and body) before the function call,
+ * and of the complete SRTCP packet after the call, if err_status_ok
+ * was returned. Otherwise, the value of the data to which it points
+ * is undefined.
+ *
+ * @return
+ * - err_status_ok if there were no problems.
+ * - [other] if there was a failure in
+ * the cryptographic mechanisms.
+ */
+
+
+err_status_t
+srtp_protect_rtcp(srtp_t ctx, void *rtcp_hdr, int *pkt_octet_len);
+
+/**
+ * @brief srtp_unprotect_rtcp() is the Secure RTCP receiver-side packet
+ * processing function.
+ *
+ * The function call srtp_unprotect_rtcp(ctx, srtp_hdr, len_ptr)
+ * verifies the Secure RTCP protection of the SRTCP packet pointed to
+ * by srtcp_hdr (which has length *len_ptr), using the SRTP session
+ * context ctx. If err_status_ok is returned, then srtcp_hdr points
+ * to the resulting RTCP packet and *len_ptr is the number of octets
+ * in that packet; otherwise, no assumptions should be made about the
+ * value of either data elements.
+ *
+ * @warning This function assumes that the SRTCP packet is aligned on a
+ * 32-bit boundary.
+ *
+ * @param ctx is a pointer to the srtp_t which applies to the
+ * particular packet.
+ *
+ * @param srtcp_hdr is a pointer to the header of the SRTCP packet
+ * (before the call). After the function returns, it points to the
+ * rtp packet if err_status_ok was returned; otherwise, the value of
+ * the data to which it points is undefined.
+ *
+ * @param pkt_octet_len is a pointer to the length in octets of the
+ * complete SRTCP packet (header and body) before the function call,
+ * and of the complete rtp packet after the call, if err_status_ok was
+ * returned. Otherwise, the value of the data to which it points is
+ * undefined.
+ *
+ * @return
+ * - err_status_ok if the RTCP packet is valid.
+ * - err_status_auth_fail if the SRTCP packet failed the message
+ * authentication check.
+ * - err_status_replay_fail if the SRTCP packet is a replay (e.g. has
+ * already been processed and accepted).
+ * - [other] if there has been an error in the cryptographic mechanisms.
+ *
+ */
+
+err_status_t
+srtp_unprotect_rtcp(srtp_t ctx, void *srtcp_hdr, int *pkt_octet_len);
+
+/**
+ * @}
+ */
+
+/**
+ * @defgroup SRTPevents SRTP events and callbacks
+ * @ingroup SRTP
+ *
+ * @brief libSRTP can use a user-provided callback function to
+ * handle events.
+ *
+ *
+ * libSRTP allows a user to provide a callback function to handle
+ * events that need to be dealt with outside of the data plane (see
+ * the enum srtp_event_t for a description of these events). Dealing
+ * with these events is not a strict necessity; they are not
+ * security-critical, but the application may suffer if they are not
+ * handled. The function srtp_set_event_handler() is used to provide
+ * the callback function.
+ *
+ * A default event handler that merely reports on the events as they
+ * happen is included. It is also possible to set the event handler
+ * function to NULL, in which case all events will just be silently
+ * ignored.
+ *
+ * @{
+ */
+
+/**
+ * @brief srtp_event_t defines events that need to be handled
+ *
+ * The enum srtp_event_t defines events that need to be handled
+ * outside the `data plane', such as SSRC collisions and
+ * key expirations.
+ *
+ * When a key expires or the maximum number of packets has been
+ * reached, an SRTP stream will enter an `expired' state in which no
+ * more packets can be protected or unprotected. When this happens,
+ * it is likely that you will want to either deallocate the stream
+ * (using srtp_stream_dealloc()), and possibly allocate a new one.
+ *
+ * When an SRTP stream expires, the other streams in the same session
+ * are unaffected, unless key sharing is used by that stream. In the
+ * latter case, all of the streams in the session will expire.
+ */
+
+typedef enum {
+ event_ssrc_collision, /**<
+ * An SSRC collision occured.
+ */
+ event_key_soft_limit, /**< An SRTP stream reached the soft key
+ * usage limit and will expire soon.
+ */
+ event_key_hard_limit, /**< An SRTP stream reached the hard
+ * key usage limit and has expired.
+ */
+ event_packet_index_limit /**< An SRTP stream reached the hard
+ * packet limit (2^48 packets).
+ */
+} srtp_event_t;
+
+/**
+ * @brief srtp_event_data_t is the structure passed as a callback to
+ * the event handler function
+ *
+ * The struct srtp_event_data_t holds the data passed to the event
+ * handler function.
+ */
+
+typedef struct srtp_event_data_t {
+ srtp_t session; /**< The session in which the event happend. */
+ srtp_stream_t stream; /**< The stream in which the event happend. */
+ srtp_event_t event; /**< An enum indicating the type of event. */
+} srtp_event_data_t;
+
+/**
+ * @brief srtp_event_handler_func_t is the function prototype for
+ * the event handler.
+ *
+ * The typedef srtp_event_handler_func_t is the prototype for the
+ * event handler function. It has as its only argument an
+ * srtp_event_data_t which describes the event that needs to be handled.
+ * There can only be a single, global handler for all events in
+ * libSRTP.
+ */
+
+typedef void (srtp_event_handler_func_t)(srtp_event_data_t *data);
+
+/**
+ * @brief sets the event handler to the function supplied by the caller.
+ *
+ * The function call srtp_install_event_handler(func) sets the event
+ * handler function to the value func. The value NULL is acceptable
+ * as an argument; in this case, events will be ignored rather than
+ * handled.
+ *
+ * @param func is a pointer to a fuction that takes an srtp_event_data_t
+ * pointer as an argument and returns void. This function
+ * will be used by libSRTP to handle events.
+ */
+
+err_status_t
+srtp_install_event_handler(srtp_event_handler_func_t func);
+
+/**
+ * @}
+ */
+/* in host order, so outside the #if */
+#define SRTCP_E_BIT 0x80000000
+/* for byte-access */
+#define SRTCP_E_BYTE_BIT 0x80
+#define SRTCP_INDEX_MASK 0x7fffffff
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SRTP_H */
diff --git a/include/srtp_priv.h b/include/srtp_priv.h
new file mode 100644
index 0000000..3bed757
--- /dev/null
+++ b/include/srtp_priv.h
@@ -0,0 +1,263 @@
+/*
+ * srtp_priv.h
+ *
+ * private internal data structures and functions for libSRTP
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef SRTP_PRIV_H
+#define SRTP_PRIV_H
+
+#include "srtp.h"
+#include "rdbx.h"
+#include "rdb.h"
+#include "integers.h"
+
+/*
+ * an srtp_hdr_t represents the srtp header
+ *
+ * in this implementation, an srtp_hdr_t is assumed to be 32-bit aligned
+ *
+ * (note that this definition follows that of RFC 1889 Appendix A, but
+ * is not identical)
+ */
+
+#ifndef WORDS_BIGENDIAN
+
+/*
+ * srtp_hdr_t represents an RTP or SRTP header. The bit-fields in
+ * this structure should be declared "unsigned int" instead of
+ * "unsigned char", but doing so causes the MS compiler to not
+ * fully pack the bit fields.
+ */
+
+typedef struct {
+ unsigned char cc:4; /* CSRC count */
+ unsigned char x:1; /* header extension flag */
+ unsigned char p:1; /* padding flag */
+ unsigned char version:2; /* protocol version */
+ unsigned char pt:7; /* payload type */
+ unsigned char m:1; /* marker bit */
+ uint16_t seq; /* sequence number */
+ uint32_t ts; /* timestamp */
+ uint32_t ssrc; /* synchronization source */
+} srtp_hdr_t;
+
+#else /* BIG_ENDIAN */
+
+typedef struct {
+ unsigned char version:2; /* protocol version */
+ unsigned char p:1; /* padding flag */
+ unsigned char x:1; /* header extension flag */
+ unsigned char cc:4; /* CSRC count */
+ unsigned char m:1; /* marker bit */
+ unsigned pt:7; /* payload type */
+ uint16_t seq; /* sequence number */
+ uint32_t ts; /* timestamp */
+ uint32_t ssrc; /* synchronization source */
+} srtp_hdr_t;
+
+#endif
+
+typedef struct {
+ uint16_t profile_specific; /* profile-specific info */
+ uint16_t length; /* number of 32-bit words in extension */
+} srtp_hdr_xtnd_t;
+
+
+/*
+ * srtcp_hdr_t represents a secure rtcp header
+ *
+ * in this implementation, an srtcp header is assumed to be 32-bit
+ * alinged
+ */
+
+#ifndef WORDS_BIGENDIAN
+
+typedef struct {
+ unsigned char rc:5; /* reception report count */
+ unsigned char p:1; /* padding flag */
+ unsigned char version:2; /* protocol version */
+ unsigned char pt:8; /* payload type */
+ uint16_t len; /* length */
+ uint32_t ssrc; /* synchronization source */
+} srtcp_hdr_t;
+
+typedef struct {
+ unsigned int index:31; /* srtcp packet index in network order! */
+ unsigned int e:1; /* encrypted? 1=yes */
+ /* optional mikey/etc go here */
+ /* and then the variable-length auth tag */
+} srtcp_trailer_t;
+
+
+#else /* BIG_ENDIAN */
+
+typedef struct {
+ unsigned char version:2; /* protocol version */
+ unsigned char p:1; /* padding flag */
+ unsigned char rc:5; /* reception report count */
+ unsigned char pt:8; /* payload type */
+ uint16_t len; /* length */
+ uint32_t ssrc; /* synchronization source */
+} srtcp_hdr_t;
+
+typedef struct {
+ unsigned int version:2; /* protocol version */
+ unsigned int p:1; /* padding flag */
+ unsigned int count:5; /* varies by packet type */
+ unsigned int pt:8; /* payload type */
+ uint16_t length; /* len of uint32s of packet less header */
+} rtcp_common_t;
+
+typedef struct {
+ unsigned int e:1; /* encrypted? 1=yes */
+ unsigned int index:31; /* srtcp packet index */
+ /* optional mikey/etc go here */
+ /* and then the variable-length auth tag */
+} srtcp_trailer_t;
+
+#endif
+
+
+/*
+ * the following declarations are libSRTP internal functions
+ */
+
+/*
+ * srtp_get_stream(ssrc) returns a pointer to the stream corresponding
+ * to ssrc, or NULL if no stream exists for that ssrc
+ */
+
+srtp_stream_t
+srtp_get_stream(srtp_t srtp, uint32_t ssrc);
+
+
+/*
+ * srtp_stream_init_keys(s, k) (re)initializes the srtp_stream_t s by
+ * deriving all of the needed keys using the KDF and the key k.
+ */
+
+
+err_status_t
+srtp_stream_init_keys(srtp_stream_t srtp, const void *key);
+
+/*
+ * srtp_stream_init(s, p) initializes the srtp_stream_t s to
+ * use the policy at the location p
+ */
+err_status_t
+srtp_stream_init(srtp_stream_t srtp,
+ const srtp_policy_t *p);
+
+
+/*
+ * Uninitializes and Deallocates a stream.
+ */
+err_status_t
+srtp_stream_uninit_and_dealloc(srtp_stream_t stream,
+ srtp_stream_t stream_template);
+
+/*
+ * libsrtp internal datatypes
+ */
+
+typedef enum direction_t {
+ dir_unknown = 0,
+ dir_srtp_sender = 1,
+ dir_srtp_receiver = 2
+} direction_t;
+
+/*
+ * an srtp_stream_t has its own SSRC, encryption key, authentication
+ * key, sequence number, and replay database
+ *
+ * note that the keys might not actually be unique, in which case the
+ * cipher_t and auth_t pointers will point to the same structures
+ */
+
+typedef struct srtp_stream_ctx_t {
+ uint32_t ssrc;
+ cipher_t *rtp_cipher;
+ auth_t *rtp_auth;
+ rdbx_t rtp_rdbx;
+ sec_serv_t rtp_services;
+ cipher_t *rtcp_cipher;
+ auth_t *rtcp_auth;
+ rdb_t rtcp_rdb;
+ sec_serv_t rtcp_services;
+ key_limit_ctx_t *limit;
+ direction_t direction;
+ int allow_repeat_tx;
+ ekt_stream_t ekt;
+ struct srtp_stream_ctx_t *next; /* linked list of streams */
+} srtp_stream_ctx_t;
+
+
+/*
+ * an srtp_ctx_t holds a stream list and a service description
+ */
+
+typedef struct srtp_ctx_t {
+ srtp_stream_ctx_t *stream_list; /* linked list of streams */
+ srtp_stream_ctx_t *stream_template; /* act as template for other streams */
+} srtp_ctx_t;
+
+
+
+/*
+ * srtp_handle_event(srtp, srtm, evnt) calls the event handling
+ * function, if there is one.
+ *
+ * This macro is not included in the documentation as it is
+ * an internal-only function.
+ */
+
+#define srtp_handle_event(srtp, strm, evnt) \
+ if(srtp_event_handler) { \
+ srtp_event_data_t data; \
+ data.session = srtp; \
+ data.stream = strm; \
+ data.event = evnt; \
+ srtp_event_handler(&data); \
+}
+
+
+#endif /* SRTP_PRIV_H */
diff --git a/include/ut_sim.h b/include/ut_sim.h
new file mode 100644
index 0000000..c25feeb
--- /dev/null
+++ b/include/ut_sim.h
@@ -0,0 +1,80 @@
+/*
+ * ut-sim.h
+ *
+ * an unreliable transport simulator
+ * (for testing replay databases and suchlike)
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+
+#ifndef UT_SIM_H
+#define UT_SIM_H
+
+#include "integers.h" /* for uint32_t */
+
+#define UT_BUF 160 /* maximum amount of packet reorder */
+
+typedef struct {
+ uint32_t index;
+ uint32_t buffer[UT_BUF];
+} ut_connection;
+
+/*
+ * ut_init(&u) initializes the ut_connection
+ *
+ * this function should always be the first one called on a new
+ * ut_connection
+ */
+
+void
+ut_init(ut_connection *utc);
+
+/*
+ * ut_next_index(&u) returns the next index from the simulated
+ * unreliable connection
+ */
+
+uint32_t
+ut_next_index(ut_connection *utc);
+
+
+#endif /* UT_SIM_H */
diff --git a/install-sh b/install-sh
new file mode 100755
index 0000000..e9de238
--- /dev/null
+++ b/install-sh
@@ -0,0 +1,251 @@
+#!/bin/sh
+#
+# install - install a program, script, or datafile
+# This comes from X11R5 (mit/util/scripts/install.sh).
+#
+# Copyright 1991 by the Massachusetts Institute of Technology
+#
+# Permission to use, copy, modify, distribute, and sell this software and its
+# documentation for any purpose is hereby granted without fee, provided that
+# the above copyright notice appear in all copies and that both that
+# copyright notice and this permission notice appear in supporting
+# documentation, and that the name of M.I.T. not be used in advertising or
+# publicity pertaining to distribution of the software without specific,
+# written prior permission. M.I.T. makes no representations about the
+# suitability of this software for any purpose. It is provided "as is"
+# without express or implied warranty.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# `make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch. It can only install one file at a time, a restriction
+# shared with many OS's install programs.
+
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit="${DOITPROG-}"
+
+
+# put in absolute paths if you don't have them in your path; or use env. vars.
+
+mvprog="${MVPROG-mv}"
+cpprog="${CPPROG-cp}"
+chmodprog="${CHMODPROG-chmod}"
+chownprog="${CHOWNPROG-chown}"
+chgrpprog="${CHGRPPROG-chgrp}"
+stripprog="${STRIPPROG-strip}"
+rmprog="${RMPROG-rm}"
+mkdirprog="${MKDIRPROG-mkdir}"
+
+transformbasename=""
+transform_arg=""
+instcmd="$mvprog"
+chmodcmd="$chmodprog 0755"
+chowncmd=""
+chgrpcmd=""
+stripcmd=""
+rmcmd="$rmprog -f"
+mvcmd="$mvprog"
+src=""
+dst=""
+dir_arg=""
+
+while [ x"$1" != x ]; do
+ case $1 in
+ -c) instcmd="$cpprog"
+ shift
+ continue;;
+
+ -d) dir_arg=true
+ shift
+ continue;;
+
+ -m) chmodcmd="$chmodprog $2"
+ shift
+ shift
+ continue;;
+
+ -o) chowncmd="$chownprog $2"
+ shift
+ shift
+ continue;;
+
+ -g) chgrpcmd="$chgrpprog $2"
+ shift
+ shift
+ continue;;
+
+ -s) stripcmd="$stripprog"
+ shift
+ continue;;
+
+ -t=*) transformarg=`echo $1 | sed 's/-t=//'`
+ shift
+ continue;;
+
+ -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
+ shift
+ continue;;
+
+ *) if [ x"$src" = x ]
+ then
+ src=$1
+ else
+ # this colon is to work around a 386BSD /bin/sh bug
+ :
+ dst=$1
+ fi
+ shift
+ continue;;
+ esac
+done
+
+if [ x"$src" = x ]
+then
+ echo "install: no input file specified"
+ exit 1
+else
+ true
+fi
+
+if [ x"$dir_arg" != x ]; then
+ dst=$src
+ src=""
+
+ if [ -d $dst ]; then
+ instcmd=:
+ chmodcmd=""
+ else
+ instcmd=mkdir
+ fi
+else
+
+# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
+# might cause directories to be created, which would be especially bad
+# if $src (and thus $dsttmp) contains '*'.
+
+ if [ -f $src -o -d $src ]
+ then
+ true
+ else
+ echo "install: $src does not exist"
+ exit 1
+ fi
+
+ if [ x"$dst" = x ]
+ then
+ echo "install: no destination specified"
+ exit 1
+ else
+ true
+ fi
+
+# If destination is a directory, append the input filename; if your system
+# does not like double slashes in filenames, you may need to add some logic
+
+ if [ -d $dst ]
+ then
+ dst="$dst"/`basename $src`
+ else
+ true
+ fi
+fi
+
+## this sed command emulates the dirname command
+dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
+
+# Make sure that the destination directory exists.
+# this part is taken from Noah Friedman's mkinstalldirs script
+
+# Skip lots of stat calls in the usual case.
+if [ ! -d "$dstdir" ]; then
+defaultIFS='
+'
+IFS="${IFS-${defaultIFS}}"
+
+oIFS="${IFS}"
+# Some sh's can't handle IFS=/ for some reason.
+IFS='%'
+set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
+IFS="${oIFS}"
+
+pathcomp=''
+
+while [ $# -ne 0 ] ; do
+ pathcomp="${pathcomp}${1}"
+ shift
+
+ if [ ! -d "${pathcomp}" ] ;
+ then
+ $mkdirprog "${pathcomp}"
+ else
+ true
+ fi
+
+ pathcomp="${pathcomp}/"
+done
+fi
+
+if [ x"$dir_arg" != x ]
+then
+ $doit $instcmd $dst &&
+
+ if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
+ if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
+ if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
+ if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
+else
+
+# If we're going to rename the final executable, determine the name now.
+
+ if [ x"$transformarg" = x ]
+ then
+ dstfile=`basename $dst`
+ else
+ dstfile=`basename $dst $transformbasename |
+ sed $transformarg`$transformbasename
+ fi
+
+# don't allow the sed command to completely eliminate the filename
+
+ if [ x"$dstfile" = x ]
+ then
+ dstfile=`basename $dst`
+ else
+ true
+ fi
+
+# Make a temp file name in the proper directory.
+
+ dsttmp=$dstdir/#inst.$$#
+
+# Move or copy the file name to the temp name
+
+ $doit $instcmd $src $dsttmp &&
+
+ trap "rm -f ${dsttmp}" 0 &&
+
+# and set any options; do chmod last to preserve setuid bits
+
+# If any of these fail, we abort the whole thing. If we want to
+# ignore errors from any of these, just make sure not to ignore
+# errors from the above "$doit $instcmd $src $dsttmp" command.
+
+ if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
+ if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
+ if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
+ if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
+
+# Now rename the file to the real destination.
+
+ $doit $rmcmd -f $dstdir/$dstfile &&
+ $doit $mvcmd $dsttmp $dstdir/$dstfile
+
+fi &&
+
+
+exit 0
diff --git a/srtp.def b/srtp.def
new file mode 100644
index 0000000..6fc94da
--- /dev/null
+++ b/srtp.def
@@ -0,0 +1,91 @@
+EXPORTS
+srtp_init
+srtp_protect
+srtp_unprotect
+srtp_create
+srtp_add_stream
+srtp_remove_stream
+crypto_policy_set_rtp_default
+crypto_policy_set_rtcp_default
+crypto_policy_set_aes_cm_128_hmac_sha1_32
+crypto_policy_set_aes_cm_128_null_auth
+crypto_policy_set_null_cipher_hmac_sha1_80
+srtp_dealloc
+srtp_get_stream
+srtp_protect_rtcp
+srtp_unprotect_rtcp
+srtp_install_event_handler
+crypto_kernel_init
+crypto_kernel_shutdown
+crypto_kernel_status
+crypto_kernel_list_debug_modules
+crypto_kernel_load_cipher_type
+crypto_kernel_load_auth_type
+crypto_kernel_load_debug_module
+crypto_kernel_alloc_cipher
+crypto_kernel_alloc_auth
+crypto_kernel_set_debug_module
+crypto_get_random
+rand_source_init
+rand_source_get_octet_string
+rand_source_deinit
+x917_prng_init
+x917_prng_get_octet_string
+ctr_prng_init
+ctr_prng_get_octet_string
+cipher_output
+cipher_get_key_length
+cipher_type_self_test
+cipher_bits_per_second
+auth_get_key_length
+auth_get_tag_length
+auth_get_prefix_length
+auth_type_self_test
+auth_type_get_ref_count
+stat_test_monobit
+stat_test_poker
+stat_test_runs
+stat_test_rand_source
+stat_test_rand_source_with_repetition
+err_reporting_init
+err_report
+key_limit_set
+key_limit_clone
+key_limit_check
+key_limit_update
+rdbx_init
+rdbx_estimate_index
+rdbx_check
+rdbx_add_index
+index_init
+index_advance
+index_guess
+octet_get_weight
+octet_string_hex_string
+v128_bit_string
+v128_hex_string
+nibble_to_hex_char
+hex_string_to_octet_string
+v128_copy_octet_string
+v128_left_shift
+v128_right_shift
+octet_string_is_eq
+octet_string_set_to_zero
+rdb_init
+rdb_check
+rdb_add_index
+rdb_increment
+rdb_get_value
+aes_expand_encryption_key
+aes_expand_decryption_key
+aes_encrypt
+aes_decrypt
+aes_icm_context_init
+aes_icm_set_iv
+aes_icm_encrypt
+aes_icm_output
+aes_icm_dealloc
+aes_icm_encrypt_ismacryp
+aes_icm_alloc_ismacryp
+crypto_alloc
+crypto_free
diff --git a/srtp.vcproj b/srtp.vcproj
new file mode 100644
index 0000000..d781746
--- /dev/null
+++ b/srtp.vcproj
@@ -0,0 +1,588 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+ ProjectType="Visual C++"
+ Version="8.00"
+ Name="srtp"
+ ProjectGUID="{EEF031CB-FED8-451E-A471-91EC8D4F6750}"
+ RootNamespace="srtp"
+ Keyword="Win32Proj"
+ >
+ <Platforms>
+ <Platform
+ Name="Win32"
+ />
+ </Platforms>
+ <ToolFiles>
+ </ToolFiles>
+ <Configurations>
+ <Configuration
+ Name="Debug|Win32"
+ OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+ IntermediateDirectory="$(ConfigurationName)"
+ ConfigurationType="4"
+ CharacterSet="1"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ Description="Creating config.h from config.hw"
+ CommandLine="copy /Y "$(InputDir)config.hw" "$(InputDir)crypto\include\config.h" > NUL"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ Description=""
+ CommandLine=""
+ Outputs=""
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ Optimization="0"
+ AdditionalIncludeDirectories="crypto/include;include"
+ PreprocessorDefinitions="WIN32;_DEBUG;_LIB;HAVE_CONFIG_H"
+ MinimalRebuild="true"
+ BasicRuntimeChecks="3"
+ RuntimeLibrary="1"
+ StructMemberAlignment="0"
+ UsePrecompiledHeader="0"
+ WarningLevel="3"
+ Detect64BitPortabilityProblems="true"
+ DebugInformationFormat="4"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLibrarianTool"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Release|Win32"
+ OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+ IntermediateDirectory="$(ConfigurationName)"
+ ConfigurationType="4"
+ CharacterSet="1"
+ WholeProgramOptimization="1"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ Description="Creating config.h from config.hw"
+ CommandLine="copy /Y "$(InputDir)config.hw" "$(InputDir)crypto\include\config.h" > NUL"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ Description=""
+ CommandLine=""
+ Outputs=""
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories="crypto/include;include"
+ PreprocessorDefinitions="WIN32;NDEBUG;_LIB;HAVE_CONFIG_H"
+ RuntimeLibrary="0"
+ StructMemberAlignment="0"
+ UsePrecompiledHeader="0"
+ WarningLevel="3"
+ Detect64BitPortabilityProblems="true"
+ DebugInformationFormat="3"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLibrarianTool"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Debug Dll|Win32"
+ OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+ IntermediateDirectory="$(ConfigurationName)"
+ ConfigurationType="2"
+ CharacterSet="1"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ Description="Creating config.h from config.hw"
+ CommandLine="copy /Y "$(InputDir)config.hw" "$(InputDir)crypto\include\config.h" > NUL"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ Description=""
+ CommandLine=""
+ Outputs=""
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ Optimization="0"
+ EnableIntrinsicFunctions="true"
+ AdditionalIncludeDirectories="crypto/include;include"
+ PreprocessorDefinitions="WIN32;_DEBUG;_LIB;HAVE_CONFIG_H"
+ MinimalRebuild="true"
+ BasicRuntimeChecks="3"
+ RuntimeLibrary="3"
+ StructMemberAlignment="0"
+ UsePrecompiledHeader="0"
+ WarningLevel="3"
+ Detect64BitPortabilityProblems="true"
+ DebugInformationFormat="4"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ AdditionalDependencies="Ws2_32.lib"
+ ModuleDefinitionFile="srtp.def"
+ OptimizeReferences="1"
+ EnableCOMDATFolding="1"
+ OptimizeForWindows98="1"
+ LinkTimeCodeGeneration="0"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCWebDeploymentTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ <Configuration
+ Name="Release Dll|Win32"
+ OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+ IntermediateDirectory="$(ConfigurationName)"
+ ConfigurationType="2"
+ CharacterSet="1"
+ WholeProgramOptimization="1"
+ >
+ <Tool
+ Name="VCPreBuildEventTool"
+ Description="Creating config.h from config.hw"
+ CommandLine="copy /Y "$(InputDir)config.hw" "$(InputDir)crypto\include\config.h" > NUL"
+ />
+ <Tool
+ Name="VCCustomBuildTool"
+ Description=""
+ CommandLine=""
+ Outputs=""
+ />
+ <Tool
+ Name="VCXMLDataGeneratorTool"
+ />
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"
+ />
+ <Tool
+ Name="VCMIDLTool"
+ />
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories="crypto/include;include"
+ PreprocessorDefinitions="WIN32;NDEBUG;_LIB;HAVE_CONFIG_H"
+ RuntimeLibrary="2"
+ StructMemberAlignment="0"
+ UsePrecompiledHeader="0"
+ WarningLevel="3"
+ Detect64BitPortabilityProblems="true"
+ DebugInformationFormat="3"
+ />
+ <Tool
+ Name="VCManagedResourceCompilerTool"
+ />
+ <Tool
+ Name="VCResourceCompilerTool"
+ />
+ <Tool
+ Name="VCPreLinkEventTool"
+ />
+ <Tool
+ Name="VCLinkerTool"
+ AdditionalDependencies="Ws2_32.lib"
+ ModuleDefinitionFile="srtp.def"
+ />
+ <Tool
+ Name="VCALinkTool"
+ />
+ <Tool
+ Name="VCManifestTool"
+ />
+ <Tool
+ Name="VCXDCMakeTool"
+ />
+ <Tool
+ Name="VCBscMakeTool"
+ />
+ <Tool
+ Name="VCFxCopTool"
+ />
+ <Tool
+ Name="VCAppVerifierTool"
+ />
+ <Tool
+ Name="VCWebDeploymentTool"
+ />
+ <Tool
+ Name="VCPostBuildEventTool"
+ />
+ </Configuration>
+ </Configurations>
+ <References>
+ </References>
+ <Files>
+ <Filter
+ Name="Source Files"
+ Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+ UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+ >
+ <File
+ RelativePath=".\srtp\ekt.c"
+ >
+ </File>
+ <File
+ RelativePath=".\srtp\srtp.c"
+ >
+ </File>
+ <Filter
+ Name="Kernel"
+ >
+ <File
+ RelativePath=".\crypto\kernel\alloc.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\kernel\crypto_kernel.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\rng\ctr_prng.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\kernel\err.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\kernel\key.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\rng\prng.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\rng\rand_source.c"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="Ciphers"
+ >
+ <File
+ RelativePath=".\crypto\cipher\aes.c"
+ >
+ <FileConfiguration
+ Name="Debug Dll|Win32"
+ >
+ <Tool
+ Name="VCCLCompilerTool"
+ InlineFunctionExpansion="0"
+ EnableIntrinsicFunctions="false"
+ EnableFunctionLevelLinking="false"
+ />
+ </FileConfiguration>
+ </File>
+ <File
+ RelativePath=".\crypto\cipher\aes_cbc.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\cipher\aes_icm.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\cipher\cipher.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\cipher\null_cipher.c"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="Hashes"
+ >
+ <File
+ RelativePath=".\crypto\hash\auth.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\hash\hmac.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\hash\null_auth.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\hash\sha1.c"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="Replay"
+ >
+ <File
+ RelativePath=".\crypto\replay\rdb.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\replay\rdbx.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\replay\ut_sim.c"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="Math"
+ >
+ <File
+ RelativePath=".\crypto\math\datatypes.c"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\math\stat.c"
+ >
+ </File>
+ </Filter>
+ </Filter>
+ <Filter
+ Name="Header Files"
+ Filter="h;hpp;hxx;hm;inl;inc;xsd"
+ UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+ >
+ <File
+ RelativePath=".\crypto\include\aes.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\aes_cbc.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\aes_icm.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\alloc.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\auth.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\cipher.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\config.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\crypto.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\crypto_kernel.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\crypto_types.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\cryptoalg.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\datatypes.h"
+ >
+ </File>
+ <File
+ RelativePath=".\include\ekt.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\err.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\gf2_8.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\hmac.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\integers.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\key.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\null_auth.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\null_cipher.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\prng.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\rand_source.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\rdb.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\rdbx.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\sha1.h"
+ >
+ </File>
+ <File
+ RelativePath=".\include\srtp.h"
+ >
+ </File>
+ <File
+ RelativePath=".\include\srtp_priv.h"
+ >
+ </File>
+ <File
+ RelativePath=".\crypto\include\stat.h"
+ >
+ </File>
+ <File
+ RelativePath=".\include\ut_sim.h"
+ >
+ </File>
+ </Filter>
+ <Filter
+ Name="Resource Files"
+ Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
+ UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
+ >
+ </Filter>
+ <File
+ RelativePath=".\config.hw"
+ >
+ </File>
+ <File
+ RelativePath=".\srtp.def"
+ >
+ </File>
+ </Files>
+ <Globals>
+ </Globals>
+</VisualStudioProject>
diff --git a/srtp/ekt.c b/srtp/ekt.c
new file mode 100644
index 0000000..4f81f59
--- /dev/null
+++ b/srtp/ekt.c
@@ -0,0 +1,275 @@
+/*
+ * ekt.c
+ *
+ * Encrypted Key Transport for SRTP
+ *
+ * David McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "err.h"
+#include "srtp_priv.h"
+#include "ekt.h"
+
+extern debug_module_t mod_srtp;
+
+/*
+ * The EKT Authentication Tag format.
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * : Base Authentication Tag :
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * : Encrypted Master Key :
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Rollover Counter |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Initial Sequence Number | Security Parameter Index |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *
+ */
+
+#define EKT_OCTETS_AFTER_BASE_TAG 24
+#define EKT_OCTETS_AFTER_EMK 8
+#define EKT_OCTETS_AFTER_ROC 4
+#define EKT_SPI_LEN 2
+
+unsigned
+ekt_octets_after_base_tag(ekt_stream_t ekt) {
+ /*
+ * if the pointer ekt is NULL, then EKT is not in effect, so we
+ * indicate this by returning zero
+ */
+ if (!ekt)
+ return 0;
+
+ switch(ekt->data->ekt_cipher_type) {
+ case EKT_CIPHER_AES_128_ECB:
+ return 16 + EKT_OCTETS_AFTER_EMK;
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static inline ekt_spi_t
+srtcp_packet_get_ekt_spi(const uint8_t *packet_start, unsigned pkt_octet_len) {
+ const uint8_t *spi_location;
+
+ spi_location = packet_start + (pkt_octet_len - EKT_SPI_LEN);
+
+ return *((const ekt_spi_t *)spi_location);
+}
+
+static inline uint32_t
+srtcp_packet_get_ekt_roc(const uint8_t *packet_start, unsigned pkt_octet_len) {
+ const uint8_t *roc_location;
+
+ roc_location = packet_start + (pkt_octet_len - EKT_OCTETS_AFTER_ROC);
+
+ return *((const uint32_t *)roc_location);
+}
+
+static inline const uint8_t *
+srtcp_packet_get_emk_location(const uint8_t *packet_start,
+ unsigned pkt_octet_len) {
+ const uint8_t *location;
+
+ location = packet_start + (pkt_octet_len - EKT_OCTETS_AFTER_BASE_TAG);
+
+ return location;
+}
+
+
+err_status_t
+ekt_alloc(ekt_stream_t *stream_data, ekt_policy_t policy) {
+
+ /*
+ * if the policy pointer is NULL, then EKT is not in use
+ * so we just set the EKT stream data pointer to NULL
+ */
+ if (!policy) {
+ *stream_data = NULL;
+ return err_status_ok;
+ }
+
+ /* TODO */
+ *stream_data = NULL;
+
+ return err_status_ok;
+}
+
+err_status_t
+ekt_stream_init_from_policy(ekt_stream_t stream_data, ekt_policy_t policy) {
+ if (!stream_data)
+ return err_status_ok;
+
+ return err_status_ok;
+}
+
+
+void
+aes_decrypt_with_raw_key(void *ciphertext, const void *key) {
+ aes_expanded_key_t expanded_key;
+
+ aes_expand_decryption_key(key, expanded_key);
+ aes_decrypt(ciphertext, expanded_key);
+}
+
+/*
+ * The function srtp_stream_init_from_ekt() initializes a stream using
+ * the EKT data from an SRTCP trailer.
+ */
+
+err_status_t
+srtp_stream_init_from_ekt(srtp_stream_t stream,
+ const void *srtcp_hdr,
+ unsigned pkt_octet_len) {
+ err_status_t err;
+ const uint8_t *master_key;
+ srtp_policy_t srtp_policy;
+ unsigned master_key_len;
+ uint32_t roc;
+
+ /*
+ * NOTE: at present, we only support a single ekt_policy at a time.
+ */
+ if (stream->ekt->data->spi !=
+ srtcp_packet_get_ekt_spi(srtcp_hdr, pkt_octet_len))
+ return err_status_no_ctx;
+
+ if (stream->ekt->data->ekt_cipher_type != EKT_CIPHER_AES_128_ECB)
+ return err_status_bad_param;
+ master_key_len = 16;
+
+ /* decrypt the Encrypted Master Key field */
+ master_key = srtcp_packet_get_emk_location(srtcp_hdr, pkt_octet_len);
+ aes_decrypt_with_raw_key((void*)master_key, stream->ekt->data->ekt_dec_key);
+
+ /* set the SRTP ROC */
+ roc = srtcp_packet_get_ekt_roc(srtcp_hdr, pkt_octet_len);
+ err = rdbx_set_roc(&stream->rtp_rdbx, roc);
+ if (err) return err;
+
+ err = srtp_stream_init(stream, &srtp_policy);
+ if (err) return err;
+
+ return err_status_ok;
+}
+
+void
+ekt_write_data(ekt_stream_t ekt,
+ void *base_tag,
+ unsigned base_tag_len,
+ int *packet_len,
+ xtd_seq_num_t pkt_index) {
+ uint32_t roc;
+ uint16_t isn;
+ unsigned emk_len;
+ uint8_t *packet;
+
+ /* if the pointer ekt is NULL, then EKT is not in effect */
+ if (!ekt) {
+ debug_print(mod_srtp, "EKT not in use", NULL);
+ return;
+ }
+
+ /* write zeros into the location of the base tag */
+ octet_string_set_to_zero(base_tag, base_tag_len);
+ packet = (uint8_t*)base_tag + base_tag_len;
+
+ /* copy encrypted master key into packet */
+ emk_len = ekt_octets_after_base_tag(ekt);
+ memcpy(packet, ekt->encrypted_master_key, emk_len);
+ debug_print(mod_srtp, "writing EKT EMK: %s,",
+ octet_string_hex_string(packet, emk_len));
+ packet += emk_len;
+
+ /* copy ROC into packet */
+ roc = (uint32_t)(pkt_index >> 16);
+ *((uint32_t *)packet) = be32_to_cpu(roc);
+ debug_print(mod_srtp, "writing EKT ROC: %s,",
+ octet_string_hex_string(packet, sizeof(roc)));
+ packet += sizeof(roc);
+
+ /* copy ISN into packet */
+ isn = (uint16_t)pkt_index;
+ *((uint16_t *)packet) = htons(isn);
+ debug_print(mod_srtp, "writing EKT ISN: %s,",
+ octet_string_hex_string(packet, sizeof(isn)));
+ packet += sizeof(isn);
+
+ /* copy SPI into packet */
+ *((uint16_t *)packet) = htons(ekt->data->spi);
+ debug_print(mod_srtp, "writing EKT SPI: %s,",
+ octet_string_hex_string(packet, sizeof(ekt->data->spi)));
+
+ /* increase packet length appropriately */
+ *packet_len += EKT_OCTETS_AFTER_EMK + emk_len;
+}
+
+
+/*
+ * The function call srtcp_ekt_trailer(ekt, auth_len, auth_tag )
+ *
+ * If the pointer ekt is NULL, then the other inputs are unaffected.
+ *
+ * auth_tag is a pointer to the pointer to the location of the
+ * authentication tag in the packet. If EKT is in effect, then the
+ * auth_tag pointer is set to the location
+ */
+
+void
+srtcp_ekt_trailer(ekt_stream_t ekt,
+ unsigned *auth_len,
+ void **auth_tag,
+ void *tag_copy) {
+
+ /*
+ * if there is no EKT policy, then the other inputs are unaffected
+ */
+ if (!ekt)
+ return;
+
+ /* copy auth_tag into temporary location */
+
+}
+
diff --git a/srtp/srtp.c b/srtp/srtp.c
new file mode 100644
index 0000000..314c3e4
--- /dev/null
+++ b/srtp/srtp.c
@@ -0,0 +1,1986 @@
+/*
+ * srtp.c
+ *
+ * the secure real-time transport protocol
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "srtp.h"
+#include "ekt.h" /* for SRTP Encrypted Key Transport */
+#include "aes_icm.h" /* aes_icm is used in the KDF */
+#include "alloc.h" /* for crypto_alloc() */
+
+#ifndef SRTP_KERNEL
+# include <limits.h>
+# ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+# elif defined(HAVE_WINSOCK2_H)
+# include <winsock2.h>
+# endif
+#endif /* ! SRTP_KERNEL */
+
+
+extern cipher_type_t aes_icm;
+extern auth_type_t tmmhv2;
+
+/* the debug module for srtp */
+
+debug_module_t mod_srtp = {
+ 0, /* debugging is off by default */
+ "srtp" /* printable name for module */
+};
+
+#define octets_in_rtp_header 12
+#define uint32s_in_rtp_header 3
+#define octets_in_rtcp_header 8
+#define uint32s_in_rtcp_header 2
+
+
+err_status_t
+srtp_stream_alloc(srtp_stream_ctx_t **str_ptr,
+ const srtp_policy_t *p) {
+ srtp_stream_ctx_t *str;
+ err_status_t stat;
+
+ /*
+ * This function allocates the stream context, rtp and rtcp ciphers
+ * and auth functions, and key limit structure. If there is a
+ * failure during allocation, we free all previously allocated
+ * memory and return a failure code. The code could probably
+ * be improved, but it works and should be clear.
+ */
+
+ /* allocate srtp stream and set str_ptr */
+ str = (srtp_stream_ctx_t *) crypto_alloc(sizeof(srtp_stream_ctx_t));
+ if (str == NULL)
+ return err_status_alloc_fail;
+ *str_ptr = str;
+
+ /* allocate cipher */
+ stat = crypto_kernel_alloc_cipher(p->rtp.cipher_type,
+ &str->rtp_cipher,
+ p->rtp.cipher_key_len);
+ if (stat) {
+ goto err_rtp_cipher_alloc;
+ }
+
+ /* allocate auth function */
+ stat = crypto_kernel_alloc_auth(p->rtp.auth_type,
+ &str->rtp_auth,
+ p->rtp.auth_key_len,
+ p->rtp.auth_tag_len);
+
+ if (stat) {
+ goto err_rtp_auth_alloc;
+ }
+
+ /* allocate key limit structure */
+ str->limit = (key_limit_ctx_t*) crypto_alloc(sizeof(key_limit_ctx_t));
+ if (str->limit == NULL) {
+ stat = err_status_alloc_fail;
+ goto err_limit_alloc;
+ }
+
+ /*
+ * ...and now the RTCP-specific initialization - first, allocate
+ * the cipher
+ */
+ stat = crypto_kernel_alloc_cipher(p->rtcp.cipher_type,
+ &str->rtcp_cipher,
+ p->rtcp.cipher_key_len);
+ if (stat) {
+ goto err_rtcp_cipher_alloc;
+ }
+
+ /* allocate auth function */
+ stat = crypto_kernel_alloc_auth(p->rtcp.auth_type,
+ &str->rtcp_auth,
+ p->rtcp.auth_key_len,
+ p->rtcp.auth_tag_len);
+ if (stat) {
+ goto err_rtcp_auth_alloc;
+ }
+
+ /* allocate ekt data associated with stream */
+ stat = ekt_alloc(&str->ekt, p->ekt);
+ if (stat) {
+ goto err_ekt_alloc;
+ }
+
+ return err_status_ok;
+
+err_ekt_alloc:
+ auth_dealloc(str->rtcp_auth);
+err_rtcp_auth_alloc:
+ cipher_dealloc(str->rtcp_cipher);
+err_rtcp_cipher_alloc:
+ crypto_free(str->limit);
+err_limit_alloc:
+ auth_dealloc(str->rtp_auth);
+err_rtp_auth_alloc:
+ cipher_dealloc(str->rtp_cipher);
+err_rtp_cipher_alloc:
+ crypto_free(str);
+ return stat;
+}
+
+err_status_t
+srtp_stream_dealloc(srtp_stream_ctx_t *stream,
+ srtp_stream_ctx_t *stream_template) {
+ err_status_t status;
+
+ /*
+ * we use a conservative deallocation strategy - if any deallocation
+ * fails, then we report that fact without trying to deallocate
+ * anything else
+ */
+
+ /* deallocate cipher, if it is not the same as that in template */
+ if (!stream_template || stream->rtp_cipher != stream_template->rtp_cipher) {
+ status = cipher_dealloc(stream->rtp_cipher);
+ if (status)
+ return status;
+ }
+
+ /* deallocate auth function, if it is not the same as that in template */
+ if (!stream_template || stream->rtp_auth != stream_template->rtp_auth) {
+ status = auth_dealloc(stream->rtp_auth);
+ if (status)
+ return status;
+ }
+
+ /* deallocate key usage limit, if it is not the same as that in template */
+ if (!stream_template || stream->limit != stream_template->limit) {
+ crypto_free(stream->limit);
+ }
+
+ /*
+ * deallocate rtcp cipher, if it is not the same as that in
+ * template
+ */
+ if (!stream_template || stream->rtcp_cipher != stream_template->rtcp_cipher) {
+ status = cipher_dealloc(stream->rtcp_cipher);
+ if (status)
+ return status;
+ }
+
+ /*
+ * deallocate rtcp auth function, if it is not the same as that in
+ * template
+ */
+ if (!stream_template || stream->rtcp_auth != stream_template->rtcp_auth) {
+ status = auth_dealloc(stream->rtcp_auth);
+ if (status)
+ return status;
+ }
+
+ /* DAM - need to deallocate EKT here */
+
+ /* deallocate srtp stream context */
+ crypto_free(stream);
+
+ return err_status_ok;
+}
+
+
+/*
+ * srtp_stream_clone(stream_template, new) allocates a new stream and
+ * initializes it using the cipher and auth of the stream_template
+ *
+ * the only unique data in a cloned stream is the replay database and
+ * the SSRC
+ */
+
+err_status_t
+srtp_stream_clone(const srtp_stream_ctx_t *stream_template,
+ uint32_t ssrc,
+ srtp_stream_ctx_t **str_ptr) {
+ err_status_t status;
+ srtp_stream_ctx_t *str;
+
+ debug_print(mod_srtp, "cloning stream (SSRC: 0x%08x)", ssrc);
+
+ /* allocate srtp stream and set str_ptr */
+ str = (srtp_stream_ctx_t *) crypto_alloc(sizeof(srtp_stream_ctx_t));
+ if (str == NULL)
+ return err_status_alloc_fail;
+ *str_ptr = str;
+
+ /* set cipher and auth pointers to those of the template */
+ str->rtp_cipher = stream_template->rtp_cipher;
+ str->rtp_auth = stream_template->rtp_auth;
+ str->rtcp_cipher = stream_template->rtcp_cipher;
+ str->rtcp_auth = stream_template->rtcp_auth;
+
+ /* set key limit to point to that of the template */
+ status = key_limit_clone(stream_template->limit, &str->limit);
+ if (status)
+ return status;
+
+ /* initialize replay databases */
+ status = rdbx_init(&str->rtp_rdbx,
+ rdbx_get_window_size(&stream_template->rtp_rdbx));
+ if (status)
+ return status;
+ rdb_init(&str->rtcp_rdb);
+ str->allow_repeat_tx = stream_template->allow_repeat_tx;
+
+ /* set ssrc to that provided */
+ str->ssrc = ssrc;
+
+ /* set direction and security services */
+ str->direction = stream_template->direction;
+ str->rtp_services = stream_template->rtp_services;
+ str->rtcp_services = stream_template->rtcp_services;
+
+ /* set pointer to EKT data associated with stream */
+ str->ekt = stream_template->ekt;
+
+ /* defensive coding */
+ str->next = NULL;
+
+ return err_status_ok;
+}
+
+
+/*
+ * key derivation functions, internal to libSRTP
+ *
+ * srtp_kdf_t is a key derivation context
+ *
+ * srtp_kdf_init(&kdf, k) initializes kdf with the key k
+ *
+ * srtp_kdf_generate(&kdf, l, kl, keylen) derives the key
+ * corresponding to label l and puts it into kl; the length
+ * of the key in octets is provided as keylen. this function
+ * should be called once for each subkey that is derived.
+ *
+ * srtp_kdf_clear(&kdf) zeroizes the kdf state
+ */
+
+typedef enum {
+ label_rtp_encryption = 0x00,
+ label_rtp_msg_auth = 0x01,
+ label_rtp_salt = 0x02,
+ label_rtcp_encryption = 0x03,
+ label_rtcp_msg_auth = 0x04,
+ label_rtcp_salt = 0x05
+} srtp_prf_label;
+
+
+/*
+ * srtp_kdf_t represents a key derivation function. The SRTP
+ * default KDF is the only one implemented at present.
+ */
+
+typedef struct {
+ aes_icm_ctx_t c; /* cipher used for key derivation */
+} srtp_kdf_t;
+
+err_status_t
+srtp_kdf_init(srtp_kdf_t *kdf, const uint8_t key[30]) {
+
+ aes_icm_context_init(&kdf->c, key);
+
+ return err_status_ok;
+}
+
+err_status_t
+srtp_kdf_generate(srtp_kdf_t *kdf, srtp_prf_label label,
+ uint8_t *key, int length) {
+
+ v128_t nonce;
+
+ /* set eigth octet of nonce to <label>, set the rest of it to zero */
+ v128_set_to_zero(&nonce);
+ nonce.v8[7] = label;
+
+ aes_icm_set_iv(&kdf->c, &nonce);
+
+ /* generate keystream output */
+ aes_icm_output(&kdf->c, key, length);
+
+ return err_status_ok;
+}
+
+err_status_t
+srtp_kdf_clear(srtp_kdf_t *kdf) {
+
+ /* zeroize aes context */
+ octet_string_set_to_zero((uint8_t *)kdf, sizeof(srtp_kdf_t));
+
+ return err_status_ok;
+}
+
+/*
+ * end of key derivation functions
+ */
+
+#define MAX_SRTP_KEY_LEN 256
+
+
+err_status_t
+srtp_stream_init_keys(srtp_stream_ctx_t *srtp, const void *key) {
+ err_status_t stat;
+ srtp_kdf_t kdf;
+ uint8_t tmp_key[MAX_SRTP_KEY_LEN];
+
+ /* initialize KDF state */
+ srtp_kdf_init(&kdf, (const uint8_t *)key);
+
+ /* generate encryption key */
+ srtp_kdf_generate(&kdf, label_rtp_encryption,
+ tmp_key, cipher_get_key_length(srtp->rtp_cipher));
+ /*
+ * if the cipher in the srtp context is aes_icm, then we need
+ * to generate the salt value
+ */
+ if (srtp->rtp_cipher->type == &aes_icm) {
+ /* FIX!!! this is really the cipher key length; rest is salt */
+ int base_key_len = 16;
+ int salt_len = cipher_get_key_length(srtp->rtp_cipher) - base_key_len;
+
+ debug_print(mod_srtp, "found aes_icm, generating salt", NULL);
+
+ /* generate encryption salt, put after encryption key */
+ srtp_kdf_generate(&kdf, label_rtp_salt,
+ tmp_key + base_key_len, salt_len);
+ }
+ debug_print(mod_srtp, "cipher key: %s",
+ octet_string_hex_string(tmp_key,
+ cipher_get_key_length(srtp->rtp_cipher)));
+
+ /* initialize cipher */
+ stat = cipher_init(srtp->rtp_cipher, tmp_key, direction_any);
+ if (stat) {
+ /* zeroize temp buffer */
+ octet_string_set_to_zero(tmp_key, MAX_SRTP_KEY_LEN);
+ return err_status_init_fail;
+ }
+
+ /* generate authentication key */
+ srtp_kdf_generate(&kdf, label_rtp_msg_auth,
+ tmp_key, auth_get_key_length(srtp->rtp_auth));
+ debug_print(mod_srtp, "auth key: %s",
+ octet_string_hex_string(tmp_key,
+ auth_get_key_length(srtp->rtp_auth)));
+
+ /* initialize auth function */
+ stat = auth_init(srtp->rtp_auth, tmp_key);
+ if (stat) {
+ /* zeroize temp buffer */
+ octet_string_set_to_zero(tmp_key, MAX_SRTP_KEY_LEN);
+ return err_status_init_fail;
+ }
+
+ /*
+ * ...now initialize SRTCP keys
+ */
+
+ /* generate encryption key */
+ srtp_kdf_generate(&kdf, label_rtcp_encryption,
+ tmp_key, cipher_get_key_length(srtp->rtcp_cipher));
+ /*
+ * if the cipher in the srtp context is aes_icm, then we need
+ * to generate the salt value
+ */
+ if (srtp->rtcp_cipher->type == &aes_icm) {
+ /* FIX!!! this is really the cipher key length; rest is salt */
+ int base_key_len = 16;
+ int salt_len = cipher_get_key_length(srtp->rtcp_cipher) - base_key_len;
+
+ debug_print(mod_srtp, "found aes_icm, generating rtcp salt", NULL);
+
+ /* generate encryption salt, put after encryption key */
+ srtp_kdf_generate(&kdf, label_rtcp_salt,
+ tmp_key + base_key_len, salt_len);
+ }
+ debug_print(mod_srtp, "rtcp cipher key: %s",
+ octet_string_hex_string(tmp_key,
+ cipher_get_key_length(srtp->rtcp_cipher)));
+
+ /* initialize cipher */
+ stat = cipher_init(srtp->rtcp_cipher, tmp_key, direction_any);
+ if (stat) {
+ /* zeroize temp buffer */
+ octet_string_set_to_zero(tmp_key, MAX_SRTP_KEY_LEN);
+ return err_status_init_fail;
+ }
+
+ /* generate authentication key */
+ srtp_kdf_generate(&kdf, label_rtcp_msg_auth,
+ tmp_key, auth_get_key_length(srtp->rtcp_auth));
+ debug_print(mod_srtp, "rtcp auth key: %s",
+ octet_string_hex_string(tmp_key,
+ auth_get_key_length(srtp->rtcp_auth)));
+
+ /* initialize auth function */
+ stat = auth_init(srtp->rtcp_auth, tmp_key);
+ if (stat) {
+ /* zeroize temp buffer */
+ octet_string_set_to_zero(tmp_key, MAX_SRTP_KEY_LEN);
+ return err_status_init_fail;
+ }
+
+ /* clear memory then return */
+ srtp_kdf_clear(&kdf);
+ octet_string_set_to_zero(tmp_key, MAX_SRTP_KEY_LEN);
+
+ return err_status_ok;
+}
+
+err_status_t
+srtp_stream_init(srtp_stream_ctx_t *srtp,
+ const srtp_policy_t *p) {
+ err_status_t err;
+
+ debug_print(mod_srtp, "initializing stream (SSRC: 0x%08x)",
+ p->ssrc.value);
+
+ /* initialize replay database */
+ err = rdbx_init(&srtp->rtp_rdbx, p->window_size);
+ if (err) return err;
+
+ /* initialize key limit to maximum value */
+#ifdef NO_64BIT_MATH
+{
+ uint64_t temp;
+ temp = make64(UINT_MAX,UINT_MAX);
+ key_limit_set(srtp->limit, temp);
+}
+#else
+ key_limit_set(srtp->limit, 0xffffffffffffLL);
+#endif
+
+ /* set the SSRC value */
+ srtp->ssrc = htonl(p->ssrc.value);
+
+ /* set the security service flags */
+ srtp->rtp_services = p->rtp.sec_serv;
+ srtp->rtcp_services = p->rtcp.sec_serv;
+
+ /*
+ * set direction to unknown - this flag gets checked in srtp_protect(),
+ * srtp_unprotect(), srtp_protect_rtcp(), and srtp_unprotect_rtcp(), and
+ * gets set appropriately if it is set to unknown.
+ */
+ srtp->direction = dir_unknown;
+
+ /* initialize SRTCP replay database */
+ rdb_init(&srtp->rtcp_rdb);
+
+ /* initialize allow_repeat_tx */
+ srtp->allow_repeat_tx = p->allow_repeat_tx;
+
+ /* DAM - no RTCP key limit at present */
+
+ /* initialize keys */
+ err = srtp_stream_init_keys(srtp, p->key);
+ if (err) {
+ rdbx_uninit(&srtp->rtp_rdbx);
+ return err;
+ }
+
+ /*
+ * if EKT is in use, then initialize the EKT data associated with
+ * the stream
+ */
+ err = ekt_stream_init_from_policy(srtp->ekt, p->ekt);
+ if (err) {
+ rdbx_uninit(&srtp->rtp_rdbx);
+ return err;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+srtp_stream_uninit(srtp_stream_ctx_t *srtp) {
+ return rdbx_uninit(&srtp->rtp_rdbx);
+}
+
+
+ /*
+ * srtp_event_reporter is an event handler function that merely
+ * reports the events that are reported by the callbacks
+ */
+
+ void
+ srtp_event_reporter(srtp_event_data_t *data) {
+
+ err_report(err_level_warning, "srtp: in stream 0x%x: ",
+ data->stream->ssrc);
+
+ switch(data->event) {
+ case event_ssrc_collision:
+ err_report(err_level_warning, "\tSSRC collision\n");
+ break;
+ case event_key_soft_limit:
+ err_report(err_level_warning, "\tkey usage soft limit reached\n");
+ break;
+ case event_key_hard_limit:
+ err_report(err_level_warning, "\tkey usage hard limit reached\n");
+ break;
+ case event_packet_index_limit:
+ err_report(err_level_warning, "\tpacket index limit reached\n");
+ break;
+ default:
+ err_report(err_level_warning, "\tunknown event reported to handler\n");
+ }
+ }
+
+ /*
+ * srtp_event_handler is a global variable holding a pointer to the
+ * event handler function; this function is called for any unexpected
+ * event that needs to be handled out of the SRTP data path. see
+ * srtp_event_t in srtp.h for more info
+ *
+ * it is okay to set srtp_event_handler to NULL, but we set
+ * it to the srtp_event_reporter.
+ */
+
+ static srtp_event_handler_func_t *srtp_event_handler = srtp_event_reporter;
+
+ err_status_t
+ srtp_install_event_handler(srtp_event_handler_func_t func) {
+
+ /*
+ * note that we accept NULL arguments intentionally - calling this
+ * function with a NULL arguments removes an event handler that's
+ * been previously installed
+ */
+
+ /* set global event handling function */
+ srtp_event_handler = func;
+ return err_status_ok;
+ }
+
+ err_status_t
+ srtp_protect(srtp_ctx_t *ctx, void *rtp_hdr, int *pkt_octet_len) {
+ srtp_hdr_t *hdr = (srtp_hdr_t *)rtp_hdr;
+ uint32_t *enc_start; /* pointer to start of encrypted portion */
+ uint32_t *auth_start; /* pointer to start of auth. portion */
+ unsigned enc_octet_len = 0; /* number of octets in encrypted portion */
+ xtd_seq_num_t est; /* estimated xtd_seq_num_t of *hdr */
+ int delta; /* delta of local pkt idx and that in hdr */
+ uint8_t *auth_tag = NULL; /* location of auth_tag within packet */
+ err_status_t status;
+ int tag_len;
+ srtp_stream_ctx_t *stream;
+ int prefix_len;
+
+ debug_print(mod_srtp, "function srtp_protect", NULL);
+
+ /* we assume the hdr is 32-bit aligned to start */
+
+ /* check the packet length - it must at least contain a full header */
+ if (*pkt_octet_len < octets_in_rtp_header)
+ return err_status_bad_param;
+
+ /*
+ * look up ssrc in srtp_stream list, and process the packet with
+ * the appropriate stream. if we haven't seen this stream before,
+ * there's a template key for this srtp_session, and the cipher
+ * supports key-sharing, then we assume that a new stream using
+ * that key has just started up
+ */
+ stream = srtp_get_stream(ctx, hdr->ssrc);
+ if (stream == NULL) {
+ if (ctx->stream_template != NULL) {
+ srtp_stream_ctx_t *new_stream;
+
+ /* allocate and initialize a new stream */
+ status = srtp_stream_clone(ctx->stream_template,
+ hdr->ssrc, &new_stream);
+ if (status)
+ return status;
+
+ /* add new stream to the head of the stream_list */
+ new_stream->next = ctx->stream_list;
+ ctx->stream_list = new_stream;
+
+ /* set direction to outbound */
+ new_stream->direction = dir_srtp_sender;
+
+ /* set stream (the pointer used in this function) */
+ stream = new_stream;
+ } else {
+ /* no template stream, so we return an error */
+ return err_status_no_ctx;
+ }
+ }
+
+ /*
+ * verify that stream is for sending traffic - this check will
+ * detect SSRC collisions, since a stream that appears in both
+ * srtp_protect() and srtp_unprotect() will fail this test in one of
+ * those functions.
+ */
+ if (stream->direction != dir_srtp_sender) {
+ if (stream->direction == dir_unknown) {
+ stream->direction = dir_srtp_sender;
+ } else {
+ srtp_handle_event(ctx, stream, event_ssrc_collision);
+ }
+ }
+
+ /*
+ * update the key usage limit, and check it to make sure that we
+ * didn't just hit either the soft limit or the hard limit, and call
+ * the event handler if we hit either.
+ */
+ switch(key_limit_update(stream->limit)) {
+ case key_event_normal:
+ break;
+ case key_event_soft_limit:
+ srtp_handle_event(ctx, stream, event_key_soft_limit);
+ break;
+ case key_event_hard_limit:
+ srtp_handle_event(ctx, stream, event_key_hard_limit);
+ return err_status_key_expired;
+ default:
+ break;
+ }
+
+ /* get tag length from stream */
+ tag_len = auth_get_tag_length(stream->rtp_auth);
+
+ /*
+ * find starting point for encryption and length of data to be
+ * encrypted - the encrypted portion starts after the rtp header
+ * extension, if present; otherwise, it starts after the last csrc,
+ * if any are present
+ *
+ * if we're not providing confidentiality, set enc_start to NULL
+ */
+ if (stream->rtp_services & sec_serv_conf) {
+ enc_start = (uint32_t *)hdr + uint32s_in_rtp_header + hdr->cc;
+ if (hdr->x == 1) {
+ srtp_hdr_xtnd_t *xtn_hdr = (srtp_hdr_xtnd_t *)enc_start;
+ enc_start += (ntohs(xtn_hdr->length) + 1);
+ }
+ enc_octet_len = (unsigned int)(*pkt_octet_len
+ - ((enc_start - (uint32_t *)hdr) << 2));
+ } else {
+ enc_start = NULL;
+ }
+
+ /*
+ * if we're providing authentication, set the auth_start and auth_tag
+ * pointers to the proper locations; otherwise, set auth_start to NULL
+ * to indicate that no authentication is needed
+ */
+ if (stream->rtp_services & sec_serv_auth) {
+ auth_start = (uint32_t *)hdr;
+ auth_tag = (uint8_t *)hdr + *pkt_octet_len;
+ } else {
+ auth_start = NULL;
+ auth_tag = NULL;
+ }
+
+ /*
+ * estimate the packet index using the start of the replay window
+ * and the sequence number from the header
+ */
+ delta = rdbx_estimate_index(&stream->rtp_rdbx, &est, ntohs(hdr->seq));
+ status = rdbx_check(&stream->rtp_rdbx, delta);
+ if (status) {
+ if (status != err_status_replay_fail || !stream->allow_repeat_tx)
+ return status; /* we've been asked to reuse an index */
+ }
+ else
+ rdbx_add_index(&stream->rtp_rdbx, delta);
+
+#ifdef NO_64BIT_MATH
+ debug_print2(mod_srtp, "estimated packet index: %08x%08x",
+ high32(est),low32(est));
+#else
+ debug_print(mod_srtp, "estimated packet index: %016llx", est);
+#endif
+
+ /*
+ * if we're using rindael counter mode, set nonce and seq
+ */
+ if (stream->rtp_cipher->type == &aes_icm) {
+ v128_t iv;
+
+ iv.v32[0] = 0;
+ iv.v32[1] = hdr->ssrc;
+#ifdef NO_64BIT_MATH
+ iv.v64[1] = be64_to_cpu(make64((high32(est) << 16) | (low32(est) >> 16),
+ low32(est) << 16));
+#else
+ iv.v64[1] = be64_to_cpu(est << 16);
+#endif
+ status = cipher_set_iv(stream->rtp_cipher, &iv);
+
+ } else {
+ v128_t iv;
+
+ /* otherwise, set the index to est */
+#ifdef NO_64BIT_MATH
+ iv.v32[0] = 0;
+ iv.v32[1] = 0;
+#else
+ iv.v64[0] = 0;
+#endif
+ iv.v64[1] = be64_to_cpu(est);
+ status = cipher_set_iv(stream->rtp_cipher, &iv);
+ }
+ if (status)
+ return err_status_cipher_fail;
+
+ /* shift est, put into network byte order */
+#ifdef NO_64BIT_MATH
+ est = be64_to_cpu(make64((high32(est) << 16) |
+ (low32(est) >> 16),
+ low32(est) << 16));
+#else
+ est = be64_to_cpu(est << 16);
+#endif
+
+ /*
+ * if we're authenticating using a universal hash, put the keystream
+ * prefix into the authentication tag
+ */
+ if (auth_start) {
+
+ prefix_len = auth_get_prefix_length(stream->rtp_auth);
+ if (prefix_len) {
+ status = cipher_output(stream->rtp_cipher, auth_tag, prefix_len);
+ if (status)
+ return err_status_cipher_fail;
+ debug_print(mod_srtp, "keystream prefix: %s",
+ octet_string_hex_string(auth_tag, prefix_len));
+ }
+ }
+
+ /* if we're encrypting, exor keystream into the message */
+ if (enc_start) {
+ status = cipher_encrypt(stream->rtp_cipher,
+ (uint8_t *)enc_start, &enc_octet_len);
+ if (status)
+ return err_status_cipher_fail;
+ }
+
+ /*
+ * if we're authenticating, run authentication function and put result
+ * into the auth_tag
+ */
+ if (auth_start) {
+
+ /* initialize auth func context */
+ status = auth_start(stream->rtp_auth);
+ if (status) return status;
+
+ /* run auth func over packet */
+ status = auth_update(stream->rtp_auth,
+ (uint8_t *)auth_start, *pkt_octet_len);
+ if (status) return status;
+
+ /* run auth func over ROC, put result into auth_tag */
+ debug_print(mod_srtp, "estimated packet index: %016llx", est);
+ status = auth_compute(stream->rtp_auth, (uint8_t *)&est, 4, auth_tag);
+ debug_print(mod_srtp, "srtp auth tag: %s",
+ octet_string_hex_string(auth_tag, tag_len));
+ if (status)
+ return err_status_auth_fail;
+
+ }
+
+ if (auth_tag) {
+
+ /* increase the packet length by the length of the auth tag */
+ *pkt_octet_len += tag_len;
+ }
+
+ return err_status_ok;
+}
+
+
+err_status_t
+srtp_unprotect(srtp_ctx_t *ctx, void *srtp_hdr, int *pkt_octet_len) {
+ srtp_hdr_t *hdr = (srtp_hdr_t *)srtp_hdr;
+ uint32_t *enc_start; /* pointer to start of encrypted portion */
+ uint32_t *auth_start; /* pointer to start of auth. portion */
+ unsigned enc_octet_len = 0;/* number of octets in encrypted portion */
+ uint8_t *auth_tag = NULL; /* location of auth_tag within packet */
+ xtd_seq_num_t est; /* estimated xtd_seq_num_t of *hdr */
+ int delta; /* delta of local pkt idx and that in hdr */
+ v128_t iv;
+ err_status_t status;
+ srtp_stream_ctx_t *stream;
+ uint8_t tmp_tag[SRTP_MAX_TAG_LEN];
+ int tag_len, prefix_len;
+
+ debug_print(mod_srtp, "function srtp_unprotect", NULL);
+
+ /* we assume the hdr is 32-bit aligned to start */
+
+ /* check the packet length - it must at least contain a full header */
+ if (*pkt_octet_len < octets_in_rtp_header)
+ return err_status_bad_param;
+
+ /*
+ * look up ssrc in srtp_stream list, and process the packet with
+ * the appropriate stream. if we haven't seen this stream before,
+ * there's only one key for this srtp_session, and the cipher
+ * supports key-sharing, then we assume that a new stream using
+ * that key has just started up
+ */
+ stream = srtp_get_stream(ctx, hdr->ssrc);
+ if (stream == NULL) {
+ if (ctx->stream_template != NULL) {
+ stream = ctx->stream_template;
+ debug_print(mod_srtp, "using provisional stream (SSRC: 0x%08x)",
+ hdr->ssrc);
+
+ /*
+ * set estimated packet index to sequence number from header,
+ * and set delta equal to the same value
+ */
+#ifdef NO_64BIT_MATH
+ est = (xtd_seq_num_t) make64(0,ntohs(hdr->seq));
+ delta = low32(est);
+#else
+ est = (xtd_seq_num_t) ntohs(hdr->seq);
+ delta = (int)est;
+#endif
+ } else {
+
+ /*
+ * no stream corresponding to SSRC found, and we don't do
+ * key-sharing, so return an error
+ */
+ return err_status_no_ctx;
+ }
+ } else {
+
+ /* estimate packet index from seq. num. in header */
+ delta = rdbx_estimate_index(&stream->rtp_rdbx, &est, ntohs(hdr->seq));
+
+ /* check replay database */
+ status = rdbx_check(&stream->rtp_rdbx, delta);
+ if (status)
+ return status;
+ }
+
+#ifdef NO_64BIT_MATH
+ debug_print2(mod_srtp, "estimated u_packet index: %08x%08x", high32(est),low32(est));
+#else
+ debug_print(mod_srtp, "estimated u_packet index: %016llx", est);
+#endif
+
+ /* get tag length from stream */
+ tag_len = auth_get_tag_length(stream->rtp_auth);
+
+ /*
+ * set the cipher's IV properly, depending on whatever cipher we
+ * happen to be using
+ */
+ if (stream->rtp_cipher->type == &aes_icm) {
+
+ /* aes counter mode */
+ iv.v32[0] = 0;
+ iv.v32[1] = hdr->ssrc; /* still in network order */
+#ifdef NO_64BIT_MATH
+ iv.v64[1] = be64_to_cpu(make64((high32(est) << 16) | (low32(est) >> 16),
+ low32(est) << 16));
+#else
+ iv.v64[1] = be64_to_cpu(est << 16);
+#endif
+ status = aes_icm_set_iv((aes_icm_ctx_t*)stream->rtp_cipher->state, &iv);
+ } else {
+
+ /* no particular format - set the iv to the pakcet index */
+#ifdef NO_64BIT_MATH
+ iv.v32[0] = 0;
+ iv.v32[1] = 0;
+#else
+ iv.v64[0] = 0;
+#endif
+ iv.v64[1] = be64_to_cpu(est);
+ status = cipher_set_iv(stream->rtp_cipher, &iv);
+ }
+ if (status)
+ return err_status_cipher_fail;
+
+ /* shift est, put into network byte order */
+#ifdef NO_64BIT_MATH
+ est = be64_to_cpu(make64((high32(est) << 16) |
+ (low32(est) >> 16),
+ low32(est) << 16));
+#else
+ est = be64_to_cpu(est << 16);
+#endif
+
+ /*
+ * find starting point for decryption and length of data to be
+ * decrypted - the encrypted portion starts after the rtp header
+ * extension, if present; otherwise, it starts after the last csrc,
+ * if any are present
+ *
+ * if we're not providing confidentiality, set enc_start to NULL
+ */
+ if (stream->rtp_services & sec_serv_conf) {
+ enc_start = (uint32_t *)hdr + uint32s_in_rtp_header + hdr->cc;
+ if (hdr->x == 1) {
+ srtp_hdr_xtnd_t *xtn_hdr = (srtp_hdr_xtnd_t *)enc_start;
+ enc_start += (ntohs(xtn_hdr->length) + 1);
+ }
+ enc_octet_len = (uint32_t)(*pkt_octet_len - tag_len
+ - ((enc_start - (uint32_t *)hdr) << 2));
+ } else {
+ enc_start = NULL;
+ }
+
+ /*
+ * if we're providing authentication, set the auth_start and auth_tag
+ * pointers to the proper locations; otherwise, set auth_start to NULL
+ * to indicate that no authentication is needed
+ */
+ if (stream->rtp_services & sec_serv_auth) {
+ auth_start = (uint32_t *)hdr;
+ auth_tag = (uint8_t *)hdr + *pkt_octet_len - tag_len;
+ } else {
+ auth_start = NULL;
+ auth_tag = NULL;
+ }
+
+ /*
+ * if we expect message authentication, run the authentication
+ * function and compare the result with the value of the auth_tag
+ */
+ if (auth_start) {
+
+ /*
+ * if we're using a universal hash, then we need to compute the
+ * keystream prefix for encrypting the universal hash output
+ *
+ * if the keystream prefix length is zero, then we know that
+ * the authenticator isn't using a universal hash function
+ */
+ if (stream->rtp_auth->prefix_len != 0) {
+
+ prefix_len = auth_get_prefix_length(stream->rtp_auth);
+ status = cipher_output(stream->rtp_cipher, tmp_tag, prefix_len);
+ debug_print(mod_srtp, "keystream prefix: %s",
+ octet_string_hex_string(tmp_tag, prefix_len));
+ if (status)
+ return err_status_cipher_fail;
+ }
+
+ /* initialize auth func context */
+ status = auth_start(stream->rtp_auth);
+ if (status) return status;
+
+ /* now compute auth function over packet */
+ status = auth_update(stream->rtp_auth, (uint8_t *)auth_start,
+ *pkt_octet_len - tag_len);
+
+ /* run auth func over ROC, then write tmp tag */
+ status = auth_compute(stream->rtp_auth, (uint8_t *)&est, 4, tmp_tag);
+
+ debug_print(mod_srtp, "computed auth tag: %s",
+ octet_string_hex_string(tmp_tag, tag_len));
+ debug_print(mod_srtp, "packet auth tag: %s",
+ octet_string_hex_string(auth_tag, tag_len));
+ if (status)
+ return err_status_auth_fail;
+
+ if (octet_string_is_eq(tmp_tag, auth_tag, tag_len))
+ return err_status_auth_fail;
+ }
+
+ /*
+ * update the key usage limit, and check it to make sure that we
+ * didn't just hit either the soft limit or the hard limit, and call
+ * the event handler if we hit either.
+ */
+ switch(key_limit_update(stream->limit)) {
+ case key_event_normal:
+ break;
+ case key_event_soft_limit:
+ srtp_handle_event(ctx, stream, event_key_soft_limit);
+ break;
+ case key_event_hard_limit:
+ srtp_handle_event(ctx, stream, event_key_hard_limit);
+ return err_status_key_expired;
+ default:
+ break;
+ }
+
+ /* if we're encrypting, add keystream into ciphertext */
+ if (enc_start) {
+ status = cipher_encrypt(stream->rtp_cipher,
+ (uint8_t *)enc_start, &enc_octet_len);
+ if (status)
+ return err_status_cipher_fail;
+ }
+
+ /*
+ * verify that stream is for received traffic - this check will
+ * detect SSRC collisions, since a stream that appears in both
+ * srtp_protect() and srtp_unprotect() will fail this test in one of
+ * those functions.
+ *
+ * we do this check *after* the authentication check, so that the
+ * latter check will catch any attempts to fool us into thinking
+ * that we've got a collision
+ */
+ if (stream->direction != dir_srtp_receiver) {
+ if (stream->direction == dir_unknown) {
+ stream->direction = dir_srtp_receiver;
+ } else {
+ srtp_handle_event(ctx, stream, event_ssrc_collision);
+ }
+ }
+
+ /*
+ * if the stream is a 'provisional' one, in which the template context
+ * is used, then we need to allocate a new stream at this point, since
+ * the authentication passed
+ */
+ if (stream == ctx->stream_template) {
+ srtp_stream_ctx_t *new_stream;
+
+ /*
+ * allocate and initialize a new stream
+ *
+ * note that we indicate failure if we can't allocate the new
+ * stream, and some implementations will want to not return
+ * failure here
+ */
+ status = srtp_stream_clone(ctx->stream_template, hdr->ssrc, &new_stream);
+ if (status)
+ return status;
+
+ /* add new stream to the head of the stream_list */
+ new_stream->next = ctx->stream_list;
+ ctx->stream_list = new_stream;
+
+ /* set stream (the pointer used in this function) */
+ stream = new_stream;
+ }
+
+ /*
+ * the message authentication function passed, so add the packet
+ * index into the replay database
+ */
+ rdbx_add_index(&stream->rtp_rdbx, delta);
+
+ /* decrease the packet length by the length of the auth tag */
+ *pkt_octet_len -= tag_len;
+
+ return err_status_ok;
+}
+
+err_status_t
+srtp_init() {
+ err_status_t status;
+
+ /* initialize crypto kernel */
+ status = crypto_kernel_init();
+ if (status)
+ return status;
+
+ /* load srtp debug module into the kernel */
+ status = crypto_kernel_load_debug_module(&mod_srtp);
+ if (status)
+ return status;
+
+ return err_status_ok;
+}
+
+/*
+ * The following code is under consideration for removal. See
+ * SRTP_MAX_TRAILER_LEN
+ */
+#if 0
+
+/*
+ * srtp_get_trailer_length(&a) returns the number of octets that will
+ * be added to an RTP packet by the SRTP processing. This value
+ * is constant for a given srtp_stream_t (i.e. between initializations).
+ */
+
+int
+srtp_get_trailer_length(const srtp_stream_t s) {
+ return auth_get_tag_length(s->rtp_auth);
+}
+
+#endif
+
+/*
+ * srtp_get_stream(ssrc) returns a pointer to the stream corresponding
+ * to ssrc, or NULL if no stream exists for that ssrc
+ *
+ * this is an internal function
+ */
+
+srtp_stream_ctx_t *
+srtp_get_stream(srtp_t srtp, uint32_t ssrc) {
+ srtp_stream_ctx_t *stream;
+
+ /* walk down list until ssrc is found */
+ stream = srtp->stream_list;
+ while (stream != NULL) {
+ if (stream->ssrc == ssrc)
+ return stream;
+ stream = stream->next;
+ }
+
+ /* we haven't found our ssrc, so return a null */
+ return NULL;
+}
+
+err_status_t
+srtp_dealloc(srtp_t session) {
+ srtp_stream_ctx_t *stream;
+ err_status_t status;
+
+ /*
+ * we take a conservative deallocation strategy - if we encounter an
+ * error deallocating a stream, then we stop trying to deallocate
+ * memory and just return an error
+ */
+
+ /* walk list of streams, deallocating as we go */
+ stream = session->stream_list;
+ while (stream != NULL) {
+ srtp_stream_t next = stream->next;
+ status = srtp_stream_uninit_and_dealloc(stream, session->stream_template);
+ if (status) {
+ return status;
+ }
+ stream = next;
+ }
+
+ /* deallocate stream template, if there is one */
+ if (session->stream_template != NULL) {
+ status = srtp_stream_uninit_and_dealloc(session->stream_template, NULL);
+ }
+
+ /* deallocate session context */
+ crypto_free(session);
+
+ return err_status_ok;
+}
+
+
+err_status_t
+srtp_add_stream(srtp_t session,
+ const srtp_policy_t *policy) {
+ err_status_t status;
+ srtp_stream_t tmp;
+
+ /* sanity check arguments */
+ if ((session == NULL) || (policy == NULL) || (policy->key == NULL))
+ return err_status_bad_param;
+
+ /* allocate stream */
+ status = srtp_stream_alloc(&tmp, policy);
+ if (status) {
+ return status;
+ }
+
+ /* initialize stream */
+ status = srtp_stream_init(tmp, policy);
+ if (status) {
+ crypto_free(tmp);
+ return status;
+ }
+
+ /*
+ * set the head of the stream list or the template to point to the
+ * stream that we've just alloced and init'ed, depending on whether
+ * or not it has a wildcard SSRC value or not
+ *
+ * if the template stream has already been set, then the policy is
+ * inconsistent, so we return a bad_param error code
+ */
+ switch (policy->ssrc.type) {
+ case (ssrc_any_outbound):
+ if (session->stream_template) {
+ return err_status_bad_param;
+ }
+ session->stream_template = tmp;
+ session->stream_template->direction = dir_srtp_sender;
+ break;
+ case (ssrc_any_inbound):
+ if (session->stream_template) {
+ return err_status_bad_param;
+ }
+ session->stream_template = tmp;
+ session->stream_template->direction = dir_srtp_receiver;
+ break;
+ case (ssrc_specific):
+ tmp->next = session->stream_list;
+ session->stream_list = tmp;
+ break;
+ case (ssrc_undefined):
+ default:
+ crypto_free(tmp);
+ return err_status_bad_param;
+ }
+ return err_status_ok;
+}
+
+
+err_status_t
+srtp_create(srtp_t *session, /* handle for session */
+ const srtp_policy_t *policy) { /* SRTP policy (list) */
+ err_status_t stat;
+ srtp_ctx_t *ctx;
+
+ /* sanity check arguments */
+ if (session == NULL)
+ return err_status_bad_param;
+
+ /* allocate srtp context and set ctx_ptr */
+ ctx = (srtp_ctx_t *) crypto_alloc(sizeof(srtp_ctx_t));
+ if (ctx == NULL)
+ return err_status_alloc_fail;
+ *session = ctx;
+
+ /*
+ * loop over elements in the policy list, allocating and
+ * initializing a stream for each element
+ */
+ ctx->stream_template = NULL;
+ ctx->stream_list = NULL;
+ while (policy != NULL) {
+
+ stat = srtp_add_stream(ctx, policy);
+ if (stat) {
+ /* clean up everything */
+ srtp_dealloc(*session);
+ return stat;
+ }
+
+ /* set policy to next item in list */
+ policy = policy->next;
+ }
+
+ return err_status_ok;
+}
+
+
+err_status_t
+srtp_remove_stream(srtp_t session, uint32_t ssrc) {
+ srtp_stream_ctx_t *stream, *last_stream;
+
+ /* sanity check arguments */
+ if (session == NULL)
+ return err_status_bad_param;
+
+ /* find stream in list; complain if not found */
+ last_stream = stream = session->stream_list;
+ while ((stream != NULL) && (ssrc != stream->ssrc)) {
+ last_stream = stream;
+ stream = stream->next;
+ }
+ if (stream == NULL)
+ return err_status_no_ctx;
+
+ /* remove stream from the list */
+ last_stream->next = stream->next;
+
+ return srtp_stream_uninit_and_dealloc(stream, session->stream_template);
+}
+
+err_status_t
+srtp_stream_uninit_and_dealloc(srtp_stream_ctx_t *stream,
+ srtp_stream_ctx_t *stream_template) {
+ err_status_t status;
+ /* deallocate rdbx data */
+ status = srtp_stream_uninit(stream);
+ if (status)
+ return status;
+
+ /* deallocate the stream */
+ status = srtp_stream_dealloc(stream, stream_template);
+ if (status)
+ return status;
+
+ return err_status_ok;
+}
+
+
+/*
+ * the default policy - provides a convenient way for callers to use
+ * the default security policy
+ *
+ * this policy is that defined in the current SRTP internet draft.
+ *
+ */
+
+/*
+ * NOTE: cipher_key_len is really key len (128 bits) plus salt len
+ * (112 bits)
+ */
+/* There are hard-coded 16's for base_key_len in the key generation code */
+
+void
+crypto_policy_set_rtp_default(crypto_policy_t *p) {
+
+ p->cipher_type = AES_128_ICM;
+ p->cipher_key_len = 30; /* default 128 bits per RFC 3711 */
+ p->auth_type = HMAC_SHA1;
+ p->auth_key_len = 20; /* default 160 bits per RFC 3711 */
+ p->auth_tag_len = 10; /* default 80 bits per RFC 3711 */
+ p->sec_serv = sec_serv_conf_and_auth;
+
+}
+
+void
+crypto_policy_set_rtcp_default(crypto_policy_t *p) {
+
+ p->cipher_type = AES_128_ICM;
+ p->cipher_key_len = 30; /* default 128 bits per RFC 3711 */
+ p->auth_type = HMAC_SHA1;
+ p->auth_key_len = 20; /* default 160 bits per RFC 3711 */
+ p->auth_tag_len = 10; /* default 80 bits per RFC 3711 */
+ p->sec_serv = sec_serv_conf_and_auth;
+
+}
+
+void
+crypto_policy_set_aes_cm_128_hmac_sha1_32(crypto_policy_t *p) {
+
+ /*
+ * corresponds to draft-ietf-mmusic-sdescriptions-12.txt
+ *
+ * note that this crypto policy is intended for SRTP, but not SRTCP
+ */
+
+ p->cipher_type = AES_128_ICM;
+ p->cipher_key_len = 30; /* 128 bit key, 112 bit salt */
+ p->auth_type = HMAC_SHA1;
+ p->auth_key_len = 20; /* 160 bit key */
+ p->auth_tag_len = 4; /* 32 bit tag */
+ p->sec_serv = sec_serv_conf_and_auth;
+
+}
+
+
+void
+crypto_policy_set_aes_cm_128_null_auth(crypto_policy_t *p) {
+
+ /*
+ * corresponds to draft-ietf-mmusic-sdescriptions-12.txt
+ *
+ * note that this crypto policy is intended for SRTP, but not SRTCP
+ */
+
+ p->cipher_type = AES_128_ICM;
+ p->cipher_key_len = 30; /* 128 bit key, 112 bit salt */
+ p->auth_type = NULL_AUTH;
+ p->auth_key_len = 0;
+ p->auth_tag_len = 0;
+ p->sec_serv = sec_serv_conf;
+
+}
+
+
+void
+crypto_policy_set_null_cipher_hmac_sha1_80(crypto_policy_t *p) {
+
+ /*
+ * corresponds to draft-ietf-mmusic-sdescriptions-12.txt
+ */
+
+ p->cipher_type = NULL_CIPHER;
+ p->cipher_key_len = 0;
+ p->auth_type = HMAC_SHA1;
+ p->auth_key_len = 20;
+ p->auth_tag_len = 10;
+ p->sec_serv = sec_serv_auth;
+
+}
+
+
+/*
+ * secure rtcp functions
+ */
+
+err_status_t
+srtp_protect_rtcp(srtp_t ctx, void *rtcp_hdr, int *pkt_octet_len) {
+ srtcp_hdr_t *hdr = (srtcp_hdr_t *)rtcp_hdr;
+ uint32_t *enc_start; /* pointer to start of encrypted portion */
+ uint32_t *auth_start; /* pointer to start of auth. portion */
+ uint32_t *trailer; /* pointer to start of trailer */
+ unsigned enc_octet_len = 0;/* number of octets in encrypted portion */
+ uint8_t *auth_tag = NULL; /* location of auth_tag within packet */
+ err_status_t status;
+ int tag_len;
+ srtp_stream_ctx_t *stream;
+ int prefix_len;
+ uint32_t seq_num;
+
+ /* we assume the hdr is 32-bit aligned to start */
+ /*
+ * look up ssrc in srtp_stream list, and process the packet with
+ * the appropriate stream. if we haven't seen this stream before,
+ * there's only one key for this srtp_session, and the cipher
+ * supports key-sharing, then we assume that a new stream using
+ * that key has just started up
+ */
+ stream = srtp_get_stream(ctx, hdr->ssrc);
+ if (stream == NULL) {
+ if (ctx->stream_template != NULL) {
+ srtp_stream_ctx_t *new_stream;
+
+ /* allocate and initialize a new stream */
+ status = srtp_stream_clone(ctx->stream_template,
+ hdr->ssrc, &new_stream);
+ if (status)
+ return status;
+
+ /* add new stream to the head of the stream_list */
+ new_stream->next = ctx->stream_list;
+ ctx->stream_list = new_stream;
+
+ /* set stream (the pointer used in this function) */
+ stream = new_stream;
+ } else {
+ /* no template stream, so we return an error */
+ return err_status_no_ctx;
+ }
+ }
+
+ /*
+ * verify that stream is for sending traffic - this check will
+ * detect SSRC collisions, since a stream that appears in both
+ * srtp_protect() and srtp_unprotect() will fail this test in one of
+ * those functions.
+ */
+ if (stream->direction != dir_srtp_sender) {
+ if (stream->direction == dir_unknown) {
+ stream->direction = dir_srtp_sender;
+ } else {
+ srtp_handle_event(ctx, stream, event_ssrc_collision);
+ }
+ }
+
+ /* get tag length from stream context */
+ tag_len = auth_get_tag_length(stream->rtcp_auth);
+
+ /*
+ * set encryption start and encryption length - if we're not
+ * providing confidentiality, set enc_start to NULL
+ */
+ enc_start = (uint32_t *)hdr + uint32s_in_rtcp_header;
+ enc_octet_len = *pkt_octet_len - octets_in_rtcp_header;
+
+ /* all of the packet, except the header, gets encrypted */
+ /* NOTE: hdr->length is not usable - it refers to only the first
+ RTCP report in the compound packet! */
+ /* NOTE: trailer is 32-bit aligned because RTCP 'packets' are always
+ multiples of 32-bits (RFC 3550 6.1) */
+ trailer = (uint32_t *) ((char *)enc_start + enc_octet_len);
+
+ if (stream->rtcp_services & sec_serv_conf) {
+ *trailer = htonl(SRTCP_E_BIT); /* set encrypt bit */
+ } else {
+ enc_start = NULL;
+ enc_octet_len = 0;
+ /* 0 is network-order independant */
+ *trailer = 0x00000000; /* set encrypt bit */
+ }
+
+ /*
+ * set the auth_start and auth_tag pointers to the proper locations
+ * (note that srtpc *always* provides authentication, unlike srtp)
+ */
+ /* Note: This would need to change for optional mikey data */
+ auth_start = (uint32_t *)hdr;
+ auth_tag = (uint8_t *)hdr + *pkt_octet_len + sizeof(srtcp_trailer_t);
+
+ /* perform EKT processing if needed */
+ ekt_write_data(stream->ekt, auth_tag, tag_len, pkt_octet_len,
+ rdbx_get_packet_index(&stream->rtp_rdbx));
+
+ /*
+ * check sequence number for overruns, and copy it into the packet
+ * if its value isn't too big
+ */
+ status = rdb_increment(&stream->rtcp_rdb);
+ if (status)
+ return status;
+ seq_num = rdb_get_value(&stream->rtcp_rdb);
+ *trailer |= htonl(seq_num);
+ debug_print(mod_srtp, "srtcp index: %x", seq_num);
+
+ /*
+ * if we're using rindael counter mode, set nonce and seq
+ */
+ if (stream->rtcp_cipher->type == &aes_icm) {
+ v128_t iv;
+
+ iv.v32[0] = 0;
+ iv.v32[1] = hdr->ssrc; /* still in network order! */
+ iv.v32[2] = htonl(seq_num >> 16);
+ iv.v32[3] = htonl(seq_num << 16);
+ status = aes_icm_set_iv((aes_icm_ctx_t*)stream->rtcp_cipher->state, &iv);
+
+ } else {
+ v128_t iv;
+
+ /* otherwise, just set the index to seq_num */
+ iv.v32[0] = 0;
+ iv.v32[1] = 0;
+ iv.v32[2] = 0;
+ iv.v32[3] = htonl(seq_num);
+ status = cipher_set_iv(stream->rtcp_cipher, &iv);
+ }
+ if (status)
+ return err_status_cipher_fail;
+
+ /*
+ * if we're authenticating using a universal hash, put the keystream
+ * prefix into the authentication tag
+ */
+
+ /* if auth_start is non-null, then put keystream into tag */
+ if (auth_start) {
+
+ /* put keystream prefix into auth_tag */
+ prefix_len = auth_get_prefix_length(stream->rtcp_auth);
+ status = cipher_output(stream->rtcp_cipher, auth_tag, prefix_len);
+
+ debug_print(mod_srtp, "keystream prefix: %s",
+ octet_string_hex_string(auth_tag, prefix_len));
+
+ if (status)
+ return err_status_cipher_fail;
+ }
+
+ /* if we're encrypting, exor keystream into the message */
+ if (enc_start) {
+ status = cipher_encrypt(stream->rtcp_cipher,
+ (uint8_t *)enc_start, &enc_octet_len);
+ if (status)
+ return err_status_cipher_fail;
+ }
+
+ /* initialize auth func context */
+ auth_start(stream->rtcp_auth);
+
+ /*
+ * run auth func over packet (including trailer), and write the
+ * result at auth_tag
+ */
+ status = auth_compute(stream->rtcp_auth,
+ (uint8_t *)auth_start,
+ (*pkt_octet_len) + sizeof(srtcp_trailer_t),
+ auth_tag);
+ debug_print(mod_srtp, "srtcp auth tag: %s",
+ octet_string_hex_string(auth_tag, tag_len));
+ if (status)
+ return err_status_auth_fail;
+
+ /* increase the packet length by the length of the auth tag and seq_num*/
+ *pkt_octet_len += (tag_len + sizeof(srtcp_trailer_t));
+
+ return err_status_ok;
+}
+
+
+err_status_t
+srtp_unprotect_rtcp(srtp_t ctx, void *srtcp_hdr, int *pkt_octet_len) {
+ srtcp_hdr_t *hdr = (srtcp_hdr_t *)srtcp_hdr;
+ uint32_t *enc_start; /* pointer to start of encrypted portion */
+ uint32_t *auth_start; /* pointer to start of auth. portion */
+ uint32_t *trailer; /* pointer to start of trailer */
+ unsigned enc_octet_len = 0;/* number of octets in encrypted portion */
+ uint8_t *auth_tag = NULL; /* location of auth_tag within packet */
+ uint8_t tmp_tag[SRTP_MAX_TAG_LEN];
+ uint8_t tag_copy[SRTP_MAX_TAG_LEN];
+ err_status_t status;
+ unsigned auth_len;
+ int tag_len;
+ srtp_stream_ctx_t *stream;
+ int prefix_len;
+ uint32_t seq_num;
+ int e_bit_in_packet; /* whether the E-bit was found in the packet */
+ int sec_serv_confidentiality; /* whether confidentiality was requested */
+
+ /* we assume the hdr is 32-bit aligned to start */
+ /*
+ * look up ssrc in srtp_stream list, and process the packet with
+ * the appropriate stream. if we haven't seen this stream before,
+ * there's only one key for this srtp_session, and the cipher
+ * supports key-sharing, then we assume that a new stream using
+ * that key has just started up
+ */
+ stream = srtp_get_stream(ctx, hdr->ssrc);
+ if (stream == NULL) {
+ if (ctx->stream_template != NULL) {
+ stream = ctx->stream_template;
+
+ /*
+ * check to see if stream_template has an EKT data structure, in
+ * which case we initialize the template using the EKT policy
+ * referenced by that data (which consists of decrypting the
+ * master key from the EKT field)
+ *
+ * this function initializes a *provisional* stream, and this
+ * stream should not be accepted until and unless the packet
+ * passes its authentication check
+ */
+ if (stream->ekt != NULL) {
+ status = srtp_stream_init_from_ekt(stream, srtcp_hdr, *pkt_octet_len);
+ if (status)
+ return status;
+ }
+
+ debug_print(mod_srtp, "srtcp using provisional stream (SSRC: 0x%08x)",
+ hdr->ssrc);
+ } else {
+ /* no template stream, so we return an error */
+ return err_status_no_ctx;
+ }
+ }
+
+ sec_serv_confidentiality = stream->rtcp_services == sec_serv_conf ||
+ stream->rtcp_services == sec_serv_conf_and_auth;
+
+ /* get tag length from stream context */
+ tag_len = auth_get_tag_length(stream->rtcp_auth);
+
+ /*
+ * set encryption start, encryption length, and trailer
+ */
+ enc_octet_len = *pkt_octet_len -
+ (octets_in_rtcp_header + tag_len + sizeof(srtcp_trailer_t));
+ /* index & E (encryption) bit follow normal data. hdr->len
+ is the number of words (32-bit) in the normal packet minus 1 */
+ /* This should point trailer to the word past the end of the
+ normal data. */
+ /* This would need to be modified for optional mikey data */
+ /*
+ * NOTE: trailer is 32-bit aligned because RTCP 'packets' are always
+ * multiples of 32-bits (RFC 3550 6.1)
+ */
+ trailer = (uint32_t *) ((char *) hdr +
+ *pkt_octet_len -(tag_len + sizeof(srtcp_trailer_t)));
+ e_bit_in_packet = (*((unsigned char *) trailer) & SRTCP_E_BYTE_BIT) == SRTCP_E_BYTE_BIT;
+ if (e_bit_in_packet != sec_serv_confidentiality) {
+ return err_status_cant_check;
+ }
+ if (sec_serv_confidentiality) {
+ enc_start = (uint32_t *)hdr + uint32s_in_rtcp_header;
+ } else {
+ enc_octet_len = 0;
+ enc_start = NULL; /* this indicates that there's no encryption */
+ }
+
+ /*
+ * set the auth_start and auth_tag pointers to the proper locations
+ * (note that srtcp *always* uses authentication, unlike srtp)
+ */
+ auth_start = (uint32_t *)hdr;
+ auth_len = *pkt_octet_len - tag_len;
+ auth_tag = (uint8_t *)hdr + auth_len;
+
+ /*
+ * if EKT is in use, then we make a copy of the tag from the packet,
+ * and then zeroize the location of the base tag
+ *
+ * we first re-position the auth_tag pointer so that it points to
+ * the base tag
+ */
+ if (stream->ekt) {
+ auth_tag -= ekt_octets_after_base_tag(stream->ekt);
+ memcpy(tag_copy, auth_tag, tag_len);
+ octet_string_set_to_zero(auth_tag, tag_len);
+ auth_tag = tag_copy;
+ auth_len += tag_len;
+ }
+
+ /*
+ * check the sequence number for replays
+ */
+ /* this is easier than dealing with bitfield access */
+ seq_num = ntohl(*trailer) & SRTCP_INDEX_MASK;
+ debug_print(mod_srtp, "srtcp index: %x", seq_num);
+ status = rdb_check(&stream->rtcp_rdb, seq_num);
+ if (status)
+ return status;
+
+ /*
+ * if we're using aes counter mode, set nonce and seq
+ */
+ if (stream->rtcp_cipher->type == &aes_icm) {
+ v128_t iv;
+
+ iv.v32[0] = 0;
+ iv.v32[1] = hdr->ssrc; /* still in network order! */
+ iv.v32[2] = htonl(seq_num >> 16);
+ iv.v32[3] = htonl(seq_num << 16);
+ status = aes_icm_set_iv((aes_icm_ctx_t*)stream->rtcp_cipher->state, &iv);
+
+ } else {
+ v128_t iv;
+
+ /* otherwise, just set the index to seq_num */
+ iv.v32[0] = 0;
+ iv.v32[1] = 0;
+ iv.v32[2] = 0;
+ iv.v32[3] = htonl(seq_num);
+ status = cipher_set_iv(stream->rtcp_cipher, &iv);
+
+ }
+ if (status)
+ return err_status_cipher_fail;
+
+ /* initialize auth func context */
+ auth_start(stream->rtcp_auth);
+
+ /* run auth func over packet, put result into tmp_tag */
+ status = auth_compute(stream->rtcp_auth, (uint8_t *)auth_start,
+ auth_len, tmp_tag);
+ debug_print(mod_srtp, "srtcp computed tag: %s",
+ octet_string_hex_string(tmp_tag, tag_len));
+ if (status)
+ return err_status_auth_fail;
+
+ /* compare the tag just computed with the one in the packet */
+ debug_print(mod_srtp, "srtcp tag from packet: %s",
+ octet_string_hex_string(auth_tag, tag_len));
+ if (octet_string_is_eq(tmp_tag, auth_tag, tag_len))
+ return err_status_auth_fail;
+
+ /*
+ * if we're authenticating using a universal hash, put the keystream
+ * prefix into the authentication tag
+ */
+ prefix_len = auth_get_prefix_length(stream->rtcp_auth);
+ if (prefix_len) {
+ status = cipher_output(stream->rtcp_cipher, auth_tag, prefix_len);
+ debug_print(mod_srtp, "keystream prefix: %s",
+ octet_string_hex_string(auth_tag, prefix_len));
+ if (status)
+ return err_status_cipher_fail;
+ }
+
+ /* if we're decrypting, exor keystream into the message */
+ if (enc_start) {
+ status = cipher_encrypt(stream->rtcp_cipher,
+ (uint8_t *)enc_start, &enc_octet_len);
+ if (status)
+ return err_status_cipher_fail;
+ }
+
+ /* decrease the packet length by the length of the auth tag and seq_num */
+ *pkt_octet_len -= (tag_len + sizeof(srtcp_trailer_t));
+
+ /*
+ * if EKT is in effect, subtract the EKT data out of the packet
+ * length
+ */
+ *pkt_octet_len -= ekt_octets_after_base_tag(stream->ekt);
+
+ /*
+ * verify that stream is for received traffic - this check will
+ * detect SSRC collisions, since a stream that appears in both
+ * srtp_protect() and srtp_unprotect() will fail this test in one of
+ * those functions.
+ *
+ * we do this check *after* the authentication check, so that the
+ * latter check will catch any attempts to fool us into thinking
+ * that we've got a collision
+ */
+ if (stream->direction != dir_srtp_receiver) {
+ if (stream->direction == dir_unknown) {
+ stream->direction = dir_srtp_receiver;
+ } else {
+ srtp_handle_event(ctx, stream, event_ssrc_collision);
+ }
+ }
+
+ /*
+ * if the stream is a 'provisional' one, in which the template context
+ * is used, then we need to allocate a new stream at this point, since
+ * the authentication passed
+ */
+ if (stream == ctx->stream_template) {
+ srtp_stream_ctx_t *new_stream;
+
+ /*
+ * allocate and initialize a new stream
+ *
+ * note that we indicate failure if we can't allocate the new
+ * stream, and some implementations will want to not return
+ * failure here
+ */
+ status = srtp_stream_clone(ctx->stream_template, hdr->ssrc, &new_stream);
+ if (status)
+ return status;
+
+ /* add new stream to the head of the stream_list */
+ new_stream->next = ctx->stream_list;
+ ctx->stream_list = new_stream;
+
+ /* set stream (the pointer used in this function) */
+ stream = new_stream;
+ }
+
+ /* we've passed the authentication check, so add seq_num to the rdb */
+ rdb_add_index(&stream->rtcp_rdb, seq_num);
+
+
+ return err_status_ok;
+}
+
+
+
+/*
+ * dtls keying for srtp
+ */
+
+err_status_t
+crypto_policy_set_from_profile_for_rtp(crypto_policy_t *policy,
+ srtp_profile_t profile) {
+
+ /* set SRTP policy from the SRTP profile in the key set */
+ switch(profile) {
+ case srtp_profile_aes128_cm_sha1_80:
+ crypto_policy_set_aes_cm_128_hmac_sha1_80(policy);
+ crypto_policy_set_aes_cm_128_hmac_sha1_80(policy);
+ break;
+ case srtp_profile_aes128_cm_sha1_32:
+ crypto_policy_set_aes_cm_128_hmac_sha1_32(policy);
+ crypto_policy_set_aes_cm_128_hmac_sha1_80(policy);
+ break;
+ case srtp_profile_null_sha1_80:
+ crypto_policy_set_null_cipher_hmac_sha1_80(policy);
+ crypto_policy_set_null_cipher_hmac_sha1_80(policy);
+ break;
+ /* the following profiles are not (yet) supported */
+ case srtp_profile_null_sha1_32:
+ case srtp_profile_aes256_cm_sha1_80:
+ case srtp_profile_aes256_cm_sha1_32:
+ default:
+ return err_status_bad_param;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+crypto_policy_set_from_profile_for_rtcp(crypto_policy_t *policy,
+ srtp_profile_t profile) {
+
+ /* set SRTP policy from the SRTP profile in the key set */
+ switch(profile) {
+ case srtp_profile_aes128_cm_sha1_80:
+ crypto_policy_set_aes_cm_128_hmac_sha1_80(policy);
+ break;
+ case srtp_profile_aes128_cm_sha1_32:
+ crypto_policy_set_aes_cm_128_hmac_sha1_80(policy);
+ break;
+ case srtp_profile_null_sha1_80:
+ crypto_policy_set_null_cipher_hmac_sha1_80(policy);
+ break;
+ /* the following profiles are not (yet) supported */
+ case srtp_profile_null_sha1_32:
+ case srtp_profile_aes256_cm_sha1_80:
+ case srtp_profile_aes256_cm_sha1_32:
+ default:
+ return err_status_bad_param;
+ }
+
+ return err_status_ok;
+}
+
+void
+append_salt_to_key(uint8_t *key, unsigned int bytes_in_key,
+ uint8_t *salt, unsigned int bytes_in_salt) {
+
+ memcpy(key + bytes_in_key, salt, bytes_in_salt);
+
+}
+
+unsigned int
+srtp_profile_get_master_key_length(srtp_profile_t profile) {
+
+ switch(profile) {
+ case srtp_profile_aes128_cm_sha1_80:
+ return 16;
+ break;
+ case srtp_profile_aes128_cm_sha1_32:
+ return 16;
+ break;
+ case srtp_profile_null_sha1_80:
+ return 16;
+ break;
+ /* the following profiles are not (yet) supported */
+ case srtp_profile_null_sha1_32:
+ case srtp_profile_aes256_cm_sha1_80:
+ case srtp_profile_aes256_cm_sha1_32:
+ default:
+ return 0; /* indicate error by returning a zero */
+ }
+}
+
+unsigned int
+srtp_profile_get_master_salt_length(srtp_profile_t profile) {
+
+ switch(profile) {
+ case srtp_profile_aes128_cm_sha1_80:
+ return 14;
+ break;
+ case srtp_profile_aes128_cm_sha1_32:
+ return 14;
+ break;
+ case srtp_profile_null_sha1_80:
+ return 14;
+ break;
+ /* the following profiles are not (yet) supported */
+ case srtp_profile_null_sha1_32:
+ case srtp_profile_aes256_cm_sha1_80:
+ case srtp_profile_aes256_cm_sha1_32:
+ default:
+ return 0; /* indicate error by returning a zero */
+ }
+}
diff --git a/srtp7.sln b/srtp7.sln
new file mode 100644
index 0000000..c006391
--- /dev/null
+++ b/srtp7.sln
@@ -0,0 +1,21 @@
+Microsoft Visual Studio Solution File, Format Version 8.00
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "libSRTP", "srtp7.vcproj", "{7E1E1308-F82E-4DD3-B25C-CD12756A1DD9}"
+ ProjectSection(ProjectDependencies) = postProject
+ EndProjectSection
+EndProject
+Global
+ GlobalSection(SolutionConfiguration) = preSolution
+ Debug = Debug
+ Release = Release
+ EndGlobalSection
+ GlobalSection(ProjectConfiguration) = postSolution
+ {7E1E1308-F82E-4DD3-B25C-CD12756A1DD9}.Debug.ActiveCfg = Debug|Win32
+ {7E1E1308-F82E-4DD3-B25C-CD12756A1DD9}.Debug.Build.0 = Debug|Win32
+ {7E1E1308-F82E-4DD3-B25C-CD12756A1DD9}.Release.ActiveCfg = Release|Win32
+ {7E1E1308-F82E-4DD3-B25C-CD12756A1DD9}.Release.Build.0 = Release|Win32
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ EndGlobalSection
+ GlobalSection(ExtensibilityAddIns) = postSolution
+ EndGlobalSection
+EndGlobal
diff --git a/srtp7.vcproj b/srtp7.vcproj
new file mode 100644
index 0000000..49b60c5
--- /dev/null
+++ b/srtp7.vcproj
@@ -0,0 +1,298 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+ ProjectType="Visual C++"
+ Version="7.10"
+ Name="libSRTP"
+ ProjectGUID="{7E1E1308-F82E-4DD3-B25C-CD12756A1DD9}"
+ Keyword="Win32Proj">
+ <Platforms>
+ <Platform
+ Name="Win32"/>
+ </Platforms>
+ <Configurations>
+ <Configuration
+ Name="Debug|Win32"
+ OutputDirectory="Debug"
+ IntermediateDirectory="Debug"
+ ConfigurationType="1"
+ CharacterSet="2">
+ <Tool
+ Name="VCCLCompilerTool"
+ Optimization="0"
+ InlineFunctionExpansion="0"
+ AdditionalIncludeDirectories="C:\dev\foo\srtp;"$(SolutionDir)";.\include;.\crypto\include;"..\..\OpenSSL\openssl-0.9.7i\inc32";"C:Library\OpenSSL\openssl-0.9.8\inc32""
+ PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;DEBUG"
+ ExceptionHandling="FALSE"
+ BasicRuntimeChecks="0"
+ RuntimeLibrary="1"
+ UsePrecompiledHeader="0"
+ WarningLevel="3"
+ Detect64BitPortabilityProblems="TRUE"
+ DebugInformationFormat="4"
+ CompileAs="1"/>
+ <Tool
+ Name="VCCustomBuildTool"/>
+ <Tool
+ Name="VCLinkerTool"
+ AdditionalDependencies="Ws2_32.lib libeay32.lib ssleay32.lib"
+ AdditionalLibraryDirectories=""Library\OpenSSL\openssl-0.9.8\libs""
+ GenerateDebugInformation="TRUE"/>
+ <Tool
+ Name="VCMIDLTool"/>
+ <Tool
+ Name="VCPostBuildEventTool"/>
+ <Tool
+ Name="VCPreBuildEventTool"/>
+ <Tool
+ Name="VCPreLinkEventTool"/>
+ <Tool
+ Name="VCResourceCompilerTool"/>
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"/>
+ <Tool
+ Name="VCXMLDataGeneratorTool"/>
+ <Tool
+ Name="VCWebDeploymentTool"/>
+ <Tool
+ Name="VCManagedWrapperGeneratorTool"/>
+ <Tool
+ Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+ </Configuration>
+ <Configuration
+ Name="Release|Win32"
+ OutputDirectory="Release"
+ IntermediateDirectory="Release"
+ ConfigurationType="4"
+ CharacterSet="2">
+ <Tool
+ Name="VCCLCompilerTool"
+ AdditionalIncludeDirectories="".\include";".\crypto\include";"..\..\OpenSSL\openssl-0.9.7i\inc32""
+ PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
+ BasicRuntimeChecks="0"
+ RuntimeLibrary="0"
+ UsePrecompiledHeader="0"
+ ObjectFile="$(IntDir)/"
+ WarningLevel="3"
+ Detect64BitPortabilityProblems="TRUE"
+ DebugInformationFormat="3"/>
+ <Tool
+ Name="VCCustomBuildTool"/>
+ <Tool
+ Name="VCLibrarianTool"/>
+ <Tool
+ Name="VCMIDLTool"/>
+ <Tool
+ Name="VCPostBuildEventTool"/>
+ <Tool
+ Name="VCPreBuildEventTool"/>
+ <Tool
+ Name="VCPreLinkEventTool"/>
+ <Tool
+ Name="VCResourceCompilerTool"/>
+ <Tool
+ Name="VCWebServiceProxyGeneratorTool"/>
+ <Tool
+ Name="VCXMLDataGeneratorTool"/>
+ <Tool
+ Name="VCManagedWrapperGeneratorTool"/>
+ <Tool
+ Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
+ </Configuration>
+ </Configurations>
+ <References>
+ </References>
+ <Files>
+ <Filter
+ Name="Source Files"
+ Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+ UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}">
+ <File
+ RelativePath=".\test\getopt.c">
+ </File>
+ <File
+ RelativePath=".\srtp\srtp.c">
+ </File>
+ <File
+ RelativePath=".\test\srtp_driver.c">
+ </File>
+ <Filter
+ Name="Kernel">
+ <File
+ RelativePath=".\crypto\kernel\alloc.c">
+ </File>
+ <File
+ RelativePath=".\crypto\kernel\crypto_kernel.c">
+ </File>
+ <File
+ RelativePath=".\crypto\rng\ctr_prng.c">
+ </File>
+ <File
+ RelativePath=".\crypto\kernel\err.c">
+ </File>
+ <File
+ RelativePath=".\crypto\kernel\key.c">
+ </File>
+ <File
+ RelativePath=".\crypto\rng\prng.c">
+ </File>
+ <File
+ RelativePath=".\crypto\rng\rand_source.c">
+ </File>
+ </Filter>
+ <Filter
+ Name="Ciphers">
+ <File
+ RelativePath=".\crypto\cipher\aes.c">
+ </File>
+ <File
+ RelativePath=".\crypto\cipher\aes_cbc.c">
+ </File>
+ <File
+ RelativePath=".\crypto\cipher\aes_icm.c">
+ </File>
+ <File
+ RelativePath=".\crypto\cipher\cipher.c">
+ </File>
+ <File
+ RelativePath=".\crypto\cipher\null_cipher.c">
+ </File>
+ </Filter>
+ <Filter
+ Name="Hashes">
+ <File
+ RelativePath=".\crypto\hash\auth.c">
+ </File>
+ <File
+ RelativePath=".\crypto\hash\hmac.c">
+ </File>
+ <File
+ RelativePath=".\crypto\hash\null_auth.c">
+ </File>
+ <File
+ RelativePath=".\crypto\hash\sha1.c">
+ </File>
+ </Filter>
+ <Filter
+ Name="Replay">
+ <File
+ RelativePath=".\crypto\replay\rdb.c">
+ </File>
+ <File
+ RelativePath=".\crypto\replay\rdbx.c">
+ </File>
+ <File
+ RelativePath=".\crypto\replay\ut_sim.c">
+ </File>
+ </Filter>
+ <Filter
+ Name="Math">
+ <File
+ RelativePath=".\crypto\math\datatypes.c">
+ </File>
+ <File
+ RelativePath=".\crypto\math\stat.c">
+ </File>
+ </Filter>
+ </Filter>
+ <Filter
+ Name="Header Files"
+ Filter="h;hpp;hxx;hm;inl;inc;xsd"
+ UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}">
+ <File
+ RelativePath=".\crypto\include\aes.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\aes_cbc.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\aes_icm.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\alloc.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\auth.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\cipher.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\config.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\crypto.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\crypto_kernel.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\crypto_math.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\crypto_types.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\cryptoalg.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\datatypes.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\err.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\gf2_8.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\hmac.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\integers.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\kernel_compat.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\key.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\null_auth.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\null_cipher.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\prng.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\rand_source.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\rdb.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\rdbx.h">
+ </File>
+ <File
+ RelativePath=".\include\rtp.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\sha1.h">
+ </File>
+ <File
+ RelativePath=".\include\srtp.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\stat.h">
+ </File>
+ <File
+ RelativePath=".\include\ut_sim.h">
+ </File>
+ <File
+ RelativePath=".\crypto\include\xfm.h">
+ </File>
+ </Filter>
+ </Files>
+ <Globals>
+ </Globals>
+</VisualStudioProject>
diff --git a/tables/aes_tables.c b/tables/aes_tables.c
new file mode 100644
index 0000000..bc5f312
--- /dev/null
+++ b/tables/aes_tables.c
@@ -0,0 +1,350 @@
+/*
+ * aes_tables.c
+ *
+ * generate tables for the AES cipher
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright(c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h>
+#include "gf2_8.h"
+#include "crypto_math.h"
+
+
+unsigned char aes_sbox[256];
+
+unsigned char aes_inv_sbox[256];
+
+uint32_t T0[256], T1[256], T2[256], T3[256], T4[256];
+
+
+#define AES_INVERSE_TEST 0 /* set to 1 to test forward/backwards aes */
+
+/* functions for precomputing AES values */
+
+/*
+ * A[] is the 8 x 8 binary matrix (represented as an array of columns,
+ * where each column is an octet) which defines the affine
+ * transformation used in the AES substitution table (Section
+ * 4.2.1 of the spec).
+ */
+
+uint8_t A[8] = { 31, 62, 124, 248, 241, 227, 199, 143 };
+
+/*
+ * b is the 8 bit vector (represented as an octet) used in the affine
+ * transform described above.
+ */
+
+uint8_t b = 99;
+
+
+void
+aes_init_sbox(void) {
+ unsigned int i;
+ uint8_t x;
+
+ for (i=0; i < 256; i++) {
+ x = gf2_8_compute_inverse((gf2_8)i);
+ x = A_times_x_plus_b(A, x, b);
+ aes_sbox[i] = x;
+ aes_inv_sbox[x] = i;
+ }
+}
+
+void
+aes_compute_tables(void) {
+ int i;
+ uint32_t x1, x2, x3;
+ v32_t tmp;
+
+ /* initialize substitution table */
+ aes_init_sbox();
+
+ /* combine sbox with linear operations to form 8-bit to 32-bit tables */
+ for (i=0; i < 256; i++) {
+ x1 = aes_sbox[i];
+ x2 = gf2_8_shift(x1);
+ x3 = x2 ^ x1;
+
+ tmp.v8[0] = x2;
+ tmp.v8[1] = x1;
+ tmp.v8[2] = x1;
+ tmp.v8[3] = x3;
+ T0[i] = tmp.value;
+
+ tmp.v8[0] = x3;
+ tmp.v8[1] = x2;
+ tmp.v8[2] = x1;
+ tmp.v8[3] = x1;
+ T1[i] = tmp.value;
+
+ tmp.v8[0] = x1;
+ tmp.v8[1] = x3;
+ tmp.v8[2] = x2;
+ tmp.v8[3] = x1;
+ T2[i] = tmp.value;
+
+ tmp.v8[0] = x1;
+ tmp.v8[1] = x1;
+ tmp.v8[2] = x3;
+ tmp.v8[3] = x2;
+ T3[i] = tmp.value;
+
+ }
+}
+
+
+/*
+ * the tables U0, U1, U2, U3 implement the aes operations invSubBytes,
+ * invMixColumns, and invShiftRows
+ */
+
+uint32_t U0[256], U1[256], U2[256], U3[256], U4[256];
+
+extern uint8_t aes_inv_sbox[256];
+
+void
+aes_compute_inv_tables(void) {
+ int i;
+ uint8_t x, xe, x9, xd, xb;
+ v32_t tmp;
+
+ /* combine sbox with linear operations to form 8-bit to 32-bit tables */
+ for (i=0; i < 256; i++) {
+ x = aes_inv_sbox[i];
+
+ xe = gf2_8_multiply(0x0e, x);
+ x9 = gf2_8_multiply(0x09, x);
+ xd = gf2_8_multiply(0x0d, x);
+ xb = gf2_8_multiply(0x0b, x);
+
+ tmp.v8[0] = xe;
+ tmp.v8[1] = x9;
+ tmp.v8[2] = xd;
+ tmp.v8[3] = xb;
+ U0[i] = tmp.value;
+
+ tmp.v8[0] = xb;
+ tmp.v8[1] = xe;
+ tmp.v8[2] = x9;
+ tmp.v8[3] = xd;
+ U1[i] = tmp.value;
+
+ tmp.v8[0] = xd;
+ tmp.v8[1] = xb;
+ tmp.v8[2] = xe;
+ tmp.v8[3] = x9;
+ U2[i] = tmp.value;
+
+ tmp.v8[0] = x9;
+ tmp.v8[1] = xd;
+ tmp.v8[2] = xb;
+ tmp.v8[3] = xe;
+ U3[i] = tmp.value;
+
+ tmp.v8[0] = tmp.v8[1] = tmp.v8[2] = tmp.v8[3] = x;
+ U4[i] = tmp.value;
+ }
+}
+
+
+/*
+ * aes_test_inverse() returns err_status_ok if aes
+ * encryption and decryption are true inverses of each other, and
+ * returns err_status_algo_fail otherwise
+ */
+
+#include "err.h"
+
+err_status_t
+aes_test_inverse(void);
+
+#define TABLES_32BIT 1
+
+#ifndef HIDE_AES_TABLES_MAIN
+
+int
+main(void) {
+ int i;
+
+ aes_init_sbox();
+ aes_compute_inv_tables();
+
+#if TABLES_32BIT
+ printf("uint32_t U0 = {");
+ for (i=0; i < 256; i++) {
+ if ((i % 4) == 0)
+ printf("\n");
+ printf("0x%0x, ", U0[i]);
+ }
+ printf("\n}\n");
+
+ printf("uint32_t U1 = {");
+ for (i=0; i < 256; i++) {
+ if ((i % 4) == 0)
+ printf("\n");
+ printf("0x%x, ", U1[i]);
+ }
+ printf("\n}\n");
+
+ printf("uint32_t U2 = {");
+ for (i=0; i < 256; i++) {
+ if ((i % 4) == 0)
+ printf("\n");
+ printf("0x%x, ", U2[i]);
+ }
+ printf("\n}\n");
+
+ printf("uint32_t U3 = {");
+ for (i=0; i < 256; i++) {
+ if ((i % 4) == 0)
+ printf("\n");
+ printf("0x%x, ", U3[i]);
+ }
+ printf("\n}\n");
+
+ printf("uint32_t U4 = {");
+ for (i=0; i < 256; i++) {
+ if ((i % 4) == 0)
+ printf("\n");
+ printf("0x%x, ", U4[i]);
+ }
+ printf("\n}\n");
+
+#else
+
+ printf("uint32_t U0 = {");
+ for (i=0; i < 256; i++) {
+ if ((i % 4) == 0)
+ printf("\n");
+ printf("0x%lx, ", U0[i]);
+ }
+ printf("\n}\n");
+
+ printf("uint32_t U1 = {");
+ for (i=0; i < 256; i++) {
+ if ((i % 4) == 0)
+ printf("\n");
+ printf("0x%lx, ", U1[i]);
+ }
+ printf("\n}\n");
+
+ printf("uint32_t U2 = {");
+ for (i=0; i < 256; i++) {
+ if ((i % 4) == 0)
+ printf("\n");
+ printf("0x%lx, ", U2[i]);
+ }
+ printf("\n}\n");
+
+ printf("uint32_t U3 = {");
+ for (i=0; i < 256; i++) {
+ if ((i % 4) == 0)
+ printf("\n");
+ printf("0x%lx, ", U3[i]);
+ }
+ printf("\n}\n");
+
+ printf("uint32_t U4 = {");
+ for (i=0; i < 256; i++) {
+ if ((i % 4) == 0)
+ printf("\n");
+ printf("0x%lx, ", U4[i]);
+ }
+ printf("\n}\n");
+
+
+#endif /* TABLES_32BIT */
+
+
+#if AES_INVERSE_TEST
+ /*
+ * test that aes_encrypt and aes_decrypt are actually
+ * inverses of each other
+ */
+
+ printf("aes inverse test: ");
+ if (aes_test_inverse() == err_status_ok)
+ printf("passed\n");
+ else {
+ printf("failed\n");
+ exit(1);
+ }
+#endif
+
+ return 0;
+}
+
+#endif // HIDE_AES_TABLES_MAIN
+
+#if AES_INVERSE_TEST
+
+err_status_t
+aes_test_inverse(void) {
+ v128_t x, y;
+ aes_expanded_key_t expanded_key, decrypt_key;
+ uint8_t plaintext[16] = {
+ 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
+ 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff
+ };
+ uint8_t key[16] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
+ };
+ v128_t k;
+ v128_set_to_zero(&x);
+
+ v128_copy_octet_string(&k, key);
+ v128_copy_octet_string(&x, plaintext);
+ aes_expand_encryption_key(k, expanded_key);
+ aes_expand_decryption_key(k, decrypt_key);
+ aes_encrypt(&x, expanded_key);
+ aes_decrypt(&x, decrypt_key);
+
+ /* compare to expected value then report */
+ v128_copy_octet_string(&y, plaintext);
+
+ if (v128_is_eq(&x, &y))
+ return err_status_ok;
+ return err_status_algo_fail;
+
+}
+
+#endif
diff --git a/test/dtls_srtp_driver.c b/test/dtls_srtp_driver.c
new file mode 100644
index 0000000..87058d2
--- /dev/null
+++ b/test/dtls_srtp_driver.c
@@ -0,0 +1,248 @@
+/*
+ * dtls_srtp_driver.c
+ *
+ * test driver for DTLS-SRTP functions
+ *
+ * David McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h> /* for printf() */
+#include "getopt_s.h" /* for local getopt() */
+#include "srtp_priv.h"
+
+err_status_t
+test_dtls_srtp();
+
+srtp_hdr_t *
+srtp_create_test_packet(int pkt_octet_len, uint32_t ssrc);
+
+void
+usage(char *prog_name) {
+ printf("usage: %s [ -t ][ -c ][ -v ][-d <debug_module> ]* [ -l ]\n"
+ " -d <mod> turn on debugging module <mod>\n"
+ " -l list debugging modules\n", prog_name);
+ exit(1);
+}
+
+int
+main(int argc, char *argv[]) {
+ unsigned do_list_mods = 0;
+ char q;
+ err_status_t err;
+
+ printf("dtls_srtp_driver\n");
+
+ /* initialize srtp library */
+ err = srtp_init();
+ if (err) {
+ printf("error: srtp init failed with error code %d\n", err);
+ exit(1);
+ }
+
+ /* process input arguments */
+ while (1) {
+ q = getopt_s(argc, argv, "ld:");
+ if (q == -1)
+ break;
+ switch (q) {
+ case 'l':
+ do_list_mods = 1;
+ break;
+ case 'd':
+ err = crypto_kernel_set_debug_module(optarg_s, 1);
+ if (err) {
+ printf("error: set debug module (%s) failed\n", optarg_s);
+ exit(1);
+ }
+ break;
+ default:
+ usage(argv[0]);
+ }
+ }
+
+ if (do_list_mods) {
+ err = crypto_kernel_list_debug_modules();
+ if (err) {
+ printf("error: list of debug modules failed\n");
+ exit(1);
+ }
+ }
+
+ printf("testing dtls_srtp...");
+ err = test_dtls_srtp();
+ if (err) {
+ printf("\nerror (code %d)\n", err);
+ exit(1);
+ }
+ printf("passed\n");
+
+ return 0;
+}
+
+
+err_status_t
+test_dtls_srtp() {
+ srtp_hdr_t *test_packet;
+ int test_packet_len = 80;
+ srtp_t s;
+ srtp_policy_t policy;
+ uint8_t key[SRTP_MAX_KEY_LEN];
+ uint8_t salt[SRTP_MAX_KEY_LEN];
+ unsigned int key_len, salt_len;
+ srtp_profile_t profile;
+ err_status_t err;
+
+ /* create a 'null' SRTP session */
+ err = srtp_create(&s, NULL);
+ if (err)
+ return err;
+
+ /*
+ * verify that packet-processing functions behave properly - we
+ * expect that these functions will return err_status_no_ctx
+ */
+ test_packet = srtp_create_test_packet(80, 0xa5a5a5a5);
+ if (test_packet == NULL)
+ return err_status_alloc_fail;
+ err = srtp_protect(s, test_packet, &test_packet_len);
+ if (err != err_status_no_ctx) {
+ printf("wrong return value from srtp_protect() (got code %d)\n",
+ err);
+ return err_status_fail;
+ }
+ err = srtp_unprotect(s, test_packet, &test_packet_len);
+ if (err != err_status_no_ctx) {
+ printf("wrong return value from srtp_unprotect() (got code %d)\n",
+ err);
+ return err_status_fail;
+ }
+ err = srtp_protect_rtcp(s, test_packet, &test_packet_len);
+ if (err != err_status_no_ctx) {
+ printf("wrong return value from srtp_protect_rtcp() (got code %d)\n",
+ err);
+ return err_status_fail;
+ }
+ err = srtp_unprotect_rtcp(s, test_packet, &test_packet_len);
+ if (err != err_status_no_ctx) {
+ printf("wrong return value from srtp_unprotect_rtcp() (got code %d)\n",
+ err);
+ return err_status_fail;
+ }
+
+
+ /*
+ * set keys to known values for testing
+ */
+ profile = srtp_profile_aes128_cm_sha1_80;
+ key_len = srtp_profile_get_master_key_length(profile);
+ salt_len = srtp_profile_get_master_salt_length(profile);
+ memset(key, 0xff, key_len);
+ memset(salt, 0xee, salt_len);
+ append_salt_to_key(key, key_len, salt, salt_len);
+ policy.key = key;
+
+ /* initialize SRTP policy from profile */
+ err = crypto_policy_set_from_profile_for_rtp(&policy.rtp, profile);
+ if (err) return err;
+ err = crypto_policy_set_from_profile_for_rtcp(&policy.rtcp, profile);
+ if (err) return err;
+ policy.ssrc.type = ssrc_any_inbound;
+ policy.ekt = NULL;
+ policy.window_size = 128;
+ policy.allow_repeat_tx = 0;
+ policy.next = NULL;
+
+ err = srtp_add_stream(s, &policy);
+ if (err)
+ return err;
+
+ return err_status_ok;
+}
+
+
+
+/*
+ * srtp_create_test_packet(len, ssrc) returns a pointer to a
+ * (malloced) example RTP packet whose data field has the length given
+ * by pkt_octet_len and the SSRC value ssrc. The total length of the
+ * packet is twelve octets longer, since the header is at the
+ * beginning. There is room at the end of the packet for a trailer,
+ * and the four octets following the packet are filled with 0xff
+ * values to enable testing for overwrites.
+ *
+ * note that the location of the test packet can (and should) be
+ * deallocated with the free() call once it is no longer needed.
+ */
+
+srtp_hdr_t *
+srtp_create_test_packet(int pkt_octet_len, uint32_t ssrc) {
+ int i;
+ uint8_t *buffer;
+ srtp_hdr_t *hdr;
+ int bytes_in_hdr = 12;
+
+ /* allocate memory for test packet */
+ hdr = malloc(pkt_octet_len + bytes_in_hdr
+ + SRTP_MAX_TRAILER_LEN + 4);
+ if (!hdr)
+ return NULL;
+
+ hdr->version = 2; /* RTP version two */
+ hdr->p = 0; /* no padding needed */
+ hdr->x = 0; /* no header extension */
+ hdr->cc = 0; /* no CSRCs */
+ hdr->m = 0; /* marker bit */
+ hdr->pt = 0xf; /* payload type */
+ hdr->seq = htons(0x1234); /* sequence number */
+ hdr->ts = htonl(0xdecafbad); /* timestamp */
+ hdr->ssrc = htonl(ssrc); /* synch. source */
+
+ buffer = (uint8_t *)hdr;
+ buffer += bytes_in_hdr;
+
+ /* set RTP data to 0xab */
+ for (i=0; i < pkt_octet_len; i++)
+ *buffer++ = 0xab;
+
+ /* set post-data value to 0xffff to enable overrun checking */
+ for (i=0; i < SRTP_MAX_TRAILER_LEN+4; i++)
+ *buffer++ = 0xff;
+
+ return hdr;
+}
diff --git a/test/getopt_s.c b/test/getopt_s.c
new file mode 100644
index 0000000..243ad6e
--- /dev/null
+++ b/test/getopt_s.c
@@ -0,0 +1,112 @@
+/*
+ * getopt.c
+ *
+ * a minimal implementation of the getopt() function, written so that
+ * test applications that use that function can run on non-POSIX
+ * platforms
+ *
+ */
+/*
+ *
+ * Copyright (c) 2001-2006 Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdlib.h> /* for NULL */
+
+int optind_s = 0;
+
+char *optarg_s;
+
+#define GETOPT_FOUND_WITHOUT_ARGUMENT 2
+#define GETOPT_FOUND_WITH_ARGUMENT 1
+#define GETOPT_NOT_FOUND 0
+
+static int
+getopt_check_character(char c, const char *string) {
+ unsigned int max_string_len = 128;
+
+ while (*string != 0) {
+ if (max_string_len == 0) {
+ return '?';
+ }
+ if (*string++ == c) {
+ if (*string == ':') {
+ return GETOPT_FOUND_WITH_ARGUMENT;
+ } else {
+ return GETOPT_FOUND_WITHOUT_ARGUMENT;
+ }
+ }
+ }
+ return GETOPT_NOT_FOUND;
+}
+
+int
+getopt_s(int argc,
+ char * const argv[],
+ const char *optstring) {
+
+
+ while (optind_s + 1 < argc) {
+ char *string;
+
+ /* move 'string' on to next argument */
+ optind_s++;
+ string = argv[optind_s];
+
+ if (string == NULL)
+ return '?'; /* NULL argument string */
+
+ if (string[0] != '-')
+ return -1; /* found an unexpected character */
+
+ switch(getopt_check_character(string[1], optstring)) {
+ case GETOPT_FOUND_WITH_ARGUMENT:
+ if (optind_s + 1 < argc) {
+ optind_s++;
+ optarg_s = argv[optind_s];
+ return string[1];
+ } else {
+ return '?'; /* argument missing */
+ }
+ case GETOPT_FOUND_WITHOUT_ARGUMENT:
+ return string[1];
+ case GETOPT_NOT_FOUND:
+ default:
+ return '?'; /* didn't find expected character */
+ break;
+ }
+ }
+
+ return -1;
+}
diff --git a/test/lfsr.c b/test/lfsr.c
new file mode 100644
index 0000000..28ea02e
--- /dev/null
+++ b/test/lfsr.c
@@ -0,0 +1,310 @@
+/*
+ * lfsr.c
+ *
+ */
+
+
+#include <stdio.h>
+#include "datatypes.h"
+
+uint32_t
+parity(uint32_t x) {
+
+ x ^= (x >> 16);
+ x ^= (x >> 8);
+ x ^= (x >> 4);
+ x ^= (x >> 2);
+ x ^= (x >> 1);
+
+ return x & 1;
+}
+
+
+/* typedef struct { */
+/* uint32_t register[8]; */
+/* } lfsr_t; */
+
+void
+compute_period(uint32_t feedback_polynomial) {
+ int i;
+ v32_t lfsr;
+ v32_t mask;
+
+ mask.value = feedback_polynomial;
+ lfsr.value = 1;
+
+ printf("polynomial: %s\t", v32_bit_string(mask));
+
+ for (i=0; i < 256; i++) {
+/* printf("%s\n", v32_bit_string(lfsr)); */
+ if (parity(mask.value & lfsr.value))
+ lfsr.value = ((lfsr.value << 1) | 1) & 0xff;
+ else
+ lfsr.value = (lfsr.value << 1) & 0xff;
+
+ /* now halt if we're back at the initial state */
+ if (lfsr.value == 1) {
+ printf("period: %d\n", i);
+ break;
+ }
+ }
+}
+
+uint32_t poly0 = 223;
+
+
+uint32_t polynomials[39] = {
+31,
+47,
+55,
+59,
+61,
+79,
+87,
+91,
+103,
+107,
+109,
+115,
+117,
+121,
+143,
+151,
+157,
+167,
+171,
+173,
+179,
+181,
+185,
+199,
+203,
+205,
+211,
+213,
+227,
+229,
+233,
+241,
+127,
+191,
+223,
+239,
+247,
+251,
+253
+};
+
+char binary_string[32];
+
+char *
+u32_bit_string(uint32_t x, unsigned int length) {
+ unsigned int mask;
+ int index;
+
+ mask = 1 << length;
+ index = 0;
+ for (; mask > 0; mask >>= 1)
+ if ((x & mask) == 0)
+ binary_string[index++] = '0';
+ else
+ binary_string[index++] = '1';
+
+ binary_string[index++] = 0; /* NULL terminate string */
+ return binary_string;
+}
+
+extern int octet_weight[256];
+
+unsigned int
+weight(uint32_t poly) {
+ int wt = 0;
+
+ /* note: endian-ness makes no difference */
+ wt += octet_weight[poly & 0xff];
+ wt += octet_weight[(poly >> 8) & 0xff];
+ wt += octet_weight[(poly >> 16) & 0xff];
+ wt += octet_weight[(poly >> 24)];
+
+ return wt;
+}
+
+#define MAX_PERIOD 65535
+
+#define debug_print 0
+
+int
+period(uint32_t poly) {
+ int i;
+ uint32_t x;
+
+
+ /* set lfsr to 1 */
+ x = 1;
+#if debug_print
+ printf("%d:\t%s\n", 0, u32_bit_string(x,8));
+#endif
+ for (i=1; i < MAX_PERIOD; i++) {
+ if (x & 1)
+ x = (x >> 1) ^ poly;
+ else
+ x = (x >> 1);
+
+#if debug_print
+ /* print for a sanity check */
+ printf("%d:\t%s\n", i, u32_bit_string(x,8));
+#endif
+
+ /* check for return to original value */
+ if (x == 1)
+ return i;
+ }
+ return i;
+}
+
+/*
+ * weight distribution computes the weight distribution of the
+ * code generated by the polynomial poly
+ */
+
+#define MAX_LEN 8
+#define MAX_WEIGHT (1 << MAX_LEN)
+
+int A[MAX_WEIGHT+1];
+
+void
+weight_distribution2(uint32_t poly, int *A) {
+ int i;
+ uint32_t x;
+
+ /* zeroize array */
+ for (i=0; i < MAX_WEIGHT+1; i++)
+ A[i] = 0;
+
+ /* loop over all input sequences */
+
+
+ /* set lfsr to 1 */
+ x = 1;
+#if debug_print
+ printf("%d:\t%s\n", 0, u32_bit_string(x,8));
+#endif
+ for (i=1; i < MAX_PERIOD; i++) {
+ if (x & 1)
+ x = (x >> 1) ^ poly;
+ else
+ x = (x >> 1);
+
+#if debug_print
+ /* print for a sanity check */
+ printf("%d:\t%s\n", i, u32_bit_string(x,8));
+#endif
+
+ /* increment weight */
+ wt += (x & 1);
+
+ /* check for return to original value */
+ if (x == 1)
+ break;
+ }
+
+ /* set zero */
+ A[0] = 0;
+}
+
+
+void
+weight_distribution(uint32_t poly, int *A) {
+ int i;
+ uint32_t x;
+
+ /* zeroize array */
+ for (i=0; i < MAX_WEIGHT+1; i++)
+ A[i] = 0;
+
+ /* set lfsr to 1 */
+ x = 1;
+#if debug_print
+ printf("%d:\t%s\n", 0, u32_bit_string(x,8));
+#endif
+ for (i=1; i < MAX_PERIOD; i++) {
+ if (x & 1)
+ x = (x >> 1) ^ poly;
+ else
+ x = (x >> 1);
+
+#if debug_print
+ /* print for a sanity check */
+ printf("%d:\t%s\n", i, u32_bit_string(x,8));
+#endif
+
+ /* compute weight, increment proper element */
+ A[weight(x)]++;
+
+ /* check for return to original value */
+ if (x == 1)
+ break;
+ }
+
+ /* set zero */
+ A[0] = 0;
+}
+
+
+
+
+int
+main () {
+
+ int i,j;
+ v32_t x;
+ v32_t p;
+
+ /* originally 0xaf */
+ p.value = 0x9;
+
+ printf("polynomial: %s\tperiod: %d\n",
+ u32_bit_string(p.value,8), period(p.value));
+
+ /* compute weight distribution */
+ weight_distribution(p.value, A);
+
+ /* print weight distribution */
+ for (i=0; i <= 8; i++) {
+ printf("A[%d]: %d\n", i, A[i]);
+ }
+
+#if 0
+ for (i=0; i < 39; i++) {
+ printf("polynomial: %s\tperiod: %d\n",
+ u32_bit_string(polynomials[i],8), period(polynomials[i]));
+
+ /* compute weight distribution */
+ weight_distribution(p.value, A);
+
+ /* print weight distribution */
+ for (j=0; j <= 8; j++) {
+ printf("A[%d]: %d\n", j, A[j]);
+ }
+ }
+#endif
+
+ {
+ int bits = 8;
+ uint32_t y;
+ for (y=0; y < (1 << bits); y++) {
+ printf("polynomial: %s\tweight: %d\tperiod: %d\n",
+ u32_bit_string(y,bits), weight(y), period(y));
+
+ /* compute weight distribution */
+ weight_distribution(y, A);
+
+ /* print weight distribution */
+ for (j=0; j <= 8; j++) {
+ printf("A[%d]: %d\n", j, A[j]);
+ }
+ }
+ }
+
+ return 0;
+}
diff --git a/test/rdbx_driver.c b/test/rdbx_driver.c
new file mode 100644
index 0000000..4991ba8
--- /dev/null
+++ b/test/rdbx_driver.c
@@ -0,0 +1,345 @@
+/*
+ * rdbx_driver.c
+ *
+ * driver for the rdbx implementation (replay database with extended range)
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h> /* for printf() */
+#include "getopt_s.h" /* for local getopt() */
+
+#include "rdbx.h"
+
+#ifdef ROC_TEST
+#error "rdbx_t won't work with ROC_TEST - bitmask same size as seq_median"
+#endif
+
+#include "ut_sim.h"
+
+err_status_t
+test_replay_dbx(int num_trials, unsigned long ws);
+
+double
+rdbx_check_adds_per_second(int num_trials, unsigned long ws);
+
+void
+usage(char *prog_name) {
+ printf("usage: %s [ -t | -v ]\n", prog_name);
+ exit(255);
+}
+
+int
+main (int argc, char *argv[]) {
+ double rate;
+ err_status_t status;
+ char q;
+ unsigned do_timing_test = 0;
+ unsigned do_validation = 0;
+
+ /* process input arguments */
+ while (1) {
+ q = getopt_s(argc, argv, "tv");
+ if (q == -1)
+ break;
+ switch (q) {
+ case 't':
+ do_timing_test = 1;
+ break;
+ case 'v':
+ do_validation = 1;
+ break;
+ default:
+ usage(argv[0]);
+ }
+ }
+
+ printf("rdbx (replay database w/ extended range) test driver\n"
+ "David A. McGrew\n"
+ "Cisco Systems, Inc.\n");
+
+ if (!do_validation && !do_timing_test)
+ usage(argv[0]);
+
+ if (do_validation) {
+ printf("testing rdbx_t (ws=128)...\n");
+
+ status = test_replay_dbx(1 << 12, 128);
+ if (status) {
+ printf("failed\n");
+ exit(1);
+ }
+ printf("passed\n");
+
+ printf("testing rdbx_t (ws=1024)...\n");
+
+ status = test_replay_dbx(1 << 12, 1024);
+ if (status) {
+ printf("failed\n");
+ exit(1);
+ }
+ printf("passed\n");
+ }
+
+ if (do_timing_test) {
+ rate = rdbx_check_adds_per_second(1 << 18, 128);
+ printf("rdbx_check/replay_adds per second (ws=128): %e\n", rate);
+ rate = rdbx_check_adds_per_second(1 << 18, 1024);
+ printf("rdbx_check/replay_adds per second (ws=1024): %e\n", rate);
+ }
+
+ return 0;
+}
+
+void
+print_rdbx(rdbx_t *rdbx) {
+ char buf[2048];
+ printf("rdbx: {%llu, %s}\n",
+ (unsigned long long)(rdbx->index),
+ bitvector_bit_string(&rdbx->bitmask, buf, sizeof(buf))
+);
+}
+
+
+/*
+ * rdbx_check_add(rdbx, idx) checks a known-to-be-good idx against
+ * rdbx, then adds it. if a failure is detected (i.e., the check
+ * indicates that the value is already in rdbx) then
+ * err_status_algo_fail is returned.
+ *
+ */
+
+err_status_t
+rdbx_check_add(rdbx_t *rdbx, uint32_t idx) {
+ int delta;
+ xtd_seq_num_t est;
+
+ delta = index_guess(&rdbx->index, &est, idx);
+
+ if (rdbx_check(rdbx, delta) != err_status_ok) {
+ printf("replay_check failed at index %u\n", idx);
+ return err_status_algo_fail;
+ }
+
+ /*
+ * in practice, we'd authenticate the packet containing idx, using
+ * the estimated value est, at this point
+ */
+
+ if (rdbx_add_index(rdbx, delta) != err_status_ok) {
+ printf("rdbx_add_index failed at index %u\n", idx);
+ return err_status_algo_fail;
+ }
+
+ return err_status_ok;
+}
+
+/*
+ * rdbx_check_expect_failure(rdbx_t *rdbx, uint32_t idx)
+ *
+ * checks that a sequence number idx is in the replay database
+ * and thus will be rejected
+ */
+
+err_status_t
+rdbx_check_expect_failure(rdbx_t *rdbx, uint32_t idx) {
+ int delta;
+ xtd_seq_num_t est;
+ err_status_t status;
+
+ delta = index_guess(&rdbx->index, &est, idx);
+
+ status = rdbx_check(rdbx, delta);
+ if (status == err_status_ok) {
+ printf("delta: %d ", delta);
+ printf("replay_check failed at index %u (false positive)\n", idx);
+ return err_status_algo_fail;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+rdbx_check_unordered(rdbx_t *rdbx, uint32_t idx) {
+ err_status_t rstat;
+
+ rstat = rdbx_check(rdbx, idx);
+ if ((rstat != err_status_ok) && (rstat != err_status_replay_old)) {
+ printf("replay_check_unordered failed at index %u\n", idx);
+ return err_status_algo_fail;
+ }
+ return err_status_ok;
+}
+
+err_status_t
+test_replay_dbx(int num_trials, unsigned long ws) {
+ rdbx_t rdbx;
+ uint32_t idx, ircvd;
+ ut_connection utc;
+ err_status_t status;
+ int num_fp_trials;
+
+ status = rdbx_init(&rdbx, ws);
+ if (status) {
+ printf("replay_init failed with error code %d\n", status);
+ exit(1);
+ }
+
+ /*
+ * test sequential insertion
+ */
+ printf("\ttesting sequential insertion...");
+ for (idx=0; idx < (uint32_t)num_trials; idx++) {
+ status = rdbx_check_add(&rdbx, idx);
+ if (status)
+ return status;
+ }
+ printf("passed\n");
+
+ /*
+ * test for false positives by checking all of the index
+ * values which we've just added
+ *
+ * note that we limit the number of trials here, since allowing the
+ * rollover counter to roll over would defeat this test
+ */
+ num_fp_trials = num_trials % 0x10000;
+ if (num_fp_trials == 0) {
+ printf("warning: no false positive tests performed\n");
+ }
+ printf("\ttesting for false positives...");
+ for (idx=0; idx < (uint32_t)num_fp_trials; idx++) {
+ status = rdbx_check_expect_failure(&rdbx, idx);
+ if (status)
+ return status;
+ }
+ printf("passed\n");
+
+ /* re-initialize */
+ rdbx_uninit(&rdbx);
+
+ if (rdbx_init(&rdbx, ws) != err_status_ok) {
+ printf("replay_init failed\n");
+ return err_status_init_fail;
+ }
+
+ /*
+ * test non-sequential insertion
+ *
+ * this test covers only fase negatives, since the values returned
+ * by ut_next_index(...) are distinct
+ */
+ ut_init(&utc);
+
+ printf("\ttesting non-sequential insertion...");
+ for (idx=0; idx < (uint32_t)num_trials; idx++) {
+ ircvd = ut_next_index(&utc);
+ status = rdbx_check_unordered(&rdbx, ircvd);
+ if (status)
+ return status;
+ }
+ printf("passed\n");
+
+ /*
+ * test a replay condition close to zero.
+ */
+ rdbx_uninit(&rdbx);
+
+ if (rdbx_init(&rdbx, ws) != err_status_ok) {
+ printf("replay_init failed\n");
+ return err_status_init_fail;
+ }
+
+ printf("\ttesting replay close to zero...");
+ status = rdbx_check_add(&rdbx, 1);
+ if (status)
+ return status;
+ status = rdbx_check_expect_failure(&rdbx, 64500);
+ if (status)
+ return status;
+ status = rdbx_check_add(&rdbx, 2);
+ if (status)
+ return status;
+ printf("passed\n");
+
+ rdbx_uninit(&rdbx);
+
+ return err_status_ok;
+}
+
+
+
+#include <time.h> /* for clock() */
+#include <stdlib.h> /* for random() */
+
+double
+rdbx_check_adds_per_second(int num_trials, unsigned long ws) {
+ uint32_t i;
+ int delta;
+ rdbx_t rdbx;
+ xtd_seq_num_t est;
+ clock_t timer;
+ int failures; /* count number of failures */
+
+ if (rdbx_init(&rdbx, ws) != err_status_ok) {
+ printf("replay_init failed\n");
+ exit(1);
+ }
+
+ failures = 0;
+ timer = clock();
+ for(i=0; i < (uint32_t)num_trials; i++) {
+
+ delta = index_guess(&rdbx.index, &est, i);
+
+ if (rdbx_check(&rdbx, delta) != err_status_ok)
+ ++failures;
+ else
+ if (rdbx_add_index(&rdbx, delta) != err_status_ok)
+ ++failures;
+ }
+ timer = clock() - timer;
+
+ printf("number of failures: %d \n", failures);
+
+ rdbx_uninit(&rdbx);
+
+ return (double) CLOCKS_PER_SEC * num_trials / timer;
+}
diff --git a/test/replay_driver.c b/test/replay_driver.c
new file mode 100644
index 0000000..369a77a
--- /dev/null
+++ b/test/replay_driver.c
@@ -0,0 +1,209 @@
+/*
+ * replay_driver.c
+ *
+ * A driver for the replay_database implementation
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <stdio.h>
+
+#include "rdb.h"
+#include "ut_sim.h"
+
+/*
+ * num_trials defines the number of trials that are used in the
+ * validation functions below
+ */
+
+unsigned num_trials = 1 << 16;
+
+err_status_t
+test_rdb_db(void);
+
+double
+rdb_check_adds_per_second(void);
+
+int
+main (void) {
+ err_status_t err;
+
+ printf("testing anti-replay database (rdb_t)...\n");
+ err = test_rdb_db();
+ if (err) {
+ printf("failed\n");
+ exit(1);
+ }
+ printf("done\n");
+
+ printf("rdb_check/rdb_adds per second: %e\n",
+ rdb_check_adds_per_second());
+
+ return 0;
+}
+
+
+void
+print_rdb(rdb_t *rdb) {
+ printf("rdb: {%u, %s}\n", rdb->window_start, v128_bit_string(&rdb->bitmask));
+}
+
+err_status_t
+rdb_check_add(rdb_t *rdb, uint32_t idx) {
+
+ if (rdb_check(rdb, idx) != err_status_ok) {
+ printf("rdb_check failed at index %u\n", idx);
+ return err_status_fail;
+ }
+ if (rdb_add_index(rdb, idx) != err_status_ok) {
+ printf("rdb_add_index failed at index %u\n", idx);
+ return err_status_fail;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+rdb_check_expect_failure(rdb_t *rdb, uint32_t idx) {
+ err_status_t err;
+
+ err = rdb_check(rdb, idx);
+ if ((err != err_status_replay_old) && (err != err_status_replay_fail)) {
+ printf("rdb_check failed at index %u (false positive)\n", idx);
+ return err_status_fail;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+rdb_check_unordered(rdb_t *rdb, uint32_t idx) {
+ err_status_t rstat;
+
+ /* printf("index: %u\n", idx); */
+ rstat = rdb_check(rdb, idx);
+ if ((rstat != err_status_ok) && (rstat != err_status_replay_old)) {
+ printf("rdb_check_unordered failed at index %u\n", idx);
+ return rstat;
+ }
+ return err_status_ok;
+}
+
+err_status_t
+test_rdb_db() {
+ rdb_t rdb;
+ uint32_t idx, ircvd;
+ ut_connection utc;
+ err_status_t err;
+
+ if (rdb_init(&rdb) != err_status_ok) {
+ printf("rdb_init failed\n");
+ return err_status_init_fail;
+ }
+
+ /* test sequential insertion */
+ for (idx=0; idx < num_trials; idx++) {
+ err = rdb_check_add(&rdb, idx);
+ if (err)
+ return err;
+ }
+
+ /* test for false positives */
+ for (idx=0; idx < num_trials; idx++) {
+ err = rdb_check_expect_failure(&rdb, idx);
+ if (err)
+ return err;
+ }
+
+ /* re-initialize */
+ if (rdb_init(&rdb) != err_status_ok) {
+ printf("rdb_init failed\n");
+ return err_status_fail;
+ }
+
+ /* test non-sequential insertion */
+ ut_init(&utc);
+
+ for (idx=0; idx < num_trials; idx++) {
+ ircvd = ut_next_index(&utc);
+ err = rdb_check_unordered(&rdb, ircvd);
+ if (err)
+ return err;
+ }
+
+ return err_status_ok;
+}
+
+#include <time.h> /* for clock() */
+#include <stdlib.h> /* for random() */
+
+#define REPLAY_NUM_TRIALS 10000000
+
+double
+rdb_check_adds_per_second(void) {
+ uint32_t i;
+ rdb_t rdb;
+ clock_t timer;
+ int failures; /* count number of failures */
+
+ if (rdb_init(&rdb) != err_status_ok) {
+ printf("rdb_init failed\n");
+ exit(1);
+ }
+
+ timer = clock();
+ for(i=0; i < REPLAY_NUM_TRIALS; i+=3) {
+ if (rdb_check(&rdb, i+2) != err_status_ok)
+ ++failures;
+ if (rdb_add_index(&rdb, i+2) != err_status_ok)
+ ++failures;
+ if (rdb_check(&rdb, i+1) != err_status_ok)
+ ++failures;
+ if (rdb_add_index(&rdb, i+1) != err_status_ok)
+ ++failures;
+ if (rdb_check(&rdb, i) != err_status_ok)
+ ++failures;
+ if (rdb_add_index(&rdb, i) != err_status_ok)
+ ++failures;
+ }
+ timer = clock() - timer;
+
+ return (double) CLOCKS_PER_SEC * REPLAY_NUM_TRIALS / timer;
+}
diff --git a/test/roc_driver.c b/test/roc_driver.c
new file mode 100644
index 0000000..396c9a7
--- /dev/null
+++ b/test/roc_driver.c
@@ -0,0 +1,165 @@
+/*
+ * roc_driver.c
+ *
+ * test driver for rollover counter replay implementation
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include <stdio.h>
+
+/*
+ * defining ROC_TEST causes small datatypes to be used in
+ * xtd_seq_num_t - this allows the functions to be exhaustively tested.
+ */
+#if ROC_NEEDS_TO_BE_TESTED
+#define ROC_TEST
+#endif
+
+#include "rdbx.h"
+#include "ut_sim.h"
+
+err_status_t
+roc_test(int num_trials);
+
+int
+main (void) {
+ err_status_t status;
+
+ printf("rollover counter test driver\n"
+ "David A. McGrew\n"
+ "Cisco Systems, Inc.\n");
+
+ printf("testing index functions...");
+ status = roc_test(1 << 18);
+ if (status) {
+ printf("failed\n");
+ exit(status);
+ }
+ printf("passed\n");
+ return 0;
+}
+
+
+#define ROC_VERBOSE 0
+
+err_status_t
+roc_test(int num_trials) {
+ xtd_seq_num_t local, est, ref;
+ ut_connection utc;
+ int i, num_bad_est = 0;
+ int delta;
+ uint32_t ircvd;
+ double failure_rate;
+
+ index_init(&local);
+ index_init(&ref);
+ index_init(&est);
+
+ printf("\n\ttesting sequential insertion...");
+ for (i=0; i < 2048; i++) {
+ delta = index_guess(&local, &est, (uint16_t) ref);
+#if ROC_VERBOSE
+ printf("%lld, %lld, %d\n", ref, est, i);
+#endif
+ if (ref != est) {
+#if ROC_VERBOSE
+ printf(" *bad estimate*\n");
+#endif
+ ++num_bad_est;
+ }
+ index_advance(&ref, 1);
+ }
+ failure_rate = (double) num_bad_est / num_trials;
+ if (failure_rate > 0.01) {
+ printf("error: failure rate too high (%d bad estimates in %d trials)\n",
+ num_bad_est, num_trials);
+ return err_status_algo_fail;
+ }
+ printf("done\n");
+
+
+ printf("\ttesting non-sequential insertion...");
+ index_init(&local);
+ index_init(&ref);
+ index_init(&est);
+ ut_init(&utc);
+
+ for (i=0; i < num_trials; i++) {
+
+ /* get next seq num from unreliable transport simulator */
+ ircvd = ut_next_index(&utc);
+
+ /* set ref to value of ircvd */
+ ref = ircvd;
+
+ /* estimate index based on low bits of ircvd */
+ delta = index_guess(&local, &est, (uint16_t) ref);
+#if ROC_VERBOSE
+ printf("ref: %lld, local: %lld, est: %lld, ircvd: %d, delta: %d\n",
+ ref, local, est, ircvd, delta);
+#endif
+
+ /* now update local xtd_seq_num_t as necessary */
+ if (delta > 0)
+ index_advance(&local, delta);
+
+ if (ref != est) {
+#if ROC_VERBOSE
+ printf(" *bad estimate*\n");
+#endif
+ /* record failure event */
+ ++num_bad_est;
+
+ /* reset local value to correct value */
+ local = ref;
+ }
+ }
+ failure_rate = (double) num_bad_est / num_trials;
+ if (failure_rate > 0.01) {
+ printf("error: failure rate too high (%d bad estimates in %d trials)\n",
+ num_bad_est, num_trials);
+ return err_status_algo_fail;
+ }
+ printf("done\n");
+
+ return err_status_ok;
+}
diff --git a/test/rtp.c b/test/rtp.c
new file mode 100644
index 0000000..69968f3
--- /dev/null
+++ b/test/rtp.c
@@ -0,0 +1,167 @@
+/*
+ * rtp.c
+ *
+ * library functions for the real-time transport protocol
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+
+#include "rtp_priv.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <sys/types.h>
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+
+#define PRINT_DEBUG 0 /* set to 1 to print out debugging data */
+#define VERBOSE_DEBUG 0 /* set to 1 to print out more data */
+
+unsigned int
+rtp_sendto(rtp_sender_t sender, const void* msg, int len) {
+ int octets_sent;
+ err_status_t stat;
+ int pkt_len = len + RTP_HEADER_LEN;
+
+ /* marshal data */
+ strncpy(sender->message.body, msg, len);
+
+ /* update header */
+ sender->message.header.seq = ntohs(sender->message.header.seq) + 1;
+ sender->message.header.seq = htons(sender->message.header.seq);
+ sender->message.header.ts = ntohl(sender->message.header.ts) + 1;
+ sender->message.header.ts = htonl(sender->message.header.ts);
+
+ /* apply srtp */
+ stat = srtp_protect(sender->srtp_ctx, &sender->message.header, &pkt_len);
+ if (stat) {
+#if PRINT_DEBUG
+ fprintf(stderr, "error: srtp protection failed with code %d\n", stat);
+#endif
+ return -1;
+ }
+#if VERBOSE_DEBUG
+ srtp_print_packet(&sender->message.header, pkt_len);
+#endif
+ octets_sent = sendto(sender->socket, (void*)&sender->message,
+ pkt_len, 0, (struct sockaddr *)&sender->addr,
+ sizeof (struct sockaddr_in));
+
+ if (octets_sent != pkt_len) {
+#if PRINT_DEBUG
+ fprintf(stderr, "error: couldn't send message %s", (char *)msg);
+ perror("");
+#endif
+ }
+
+ return octets_sent;
+}
+
+unsigned int
+rtp_recvfrom(rtp_receiver_t receiver, void *msg, int *len) {
+ int octets_recvd;
+ err_status_t stat;
+
+ octets_recvd = recvfrom(receiver->socket, (void *)&receiver->message,
+ *len, 0, (struct sockaddr *) NULL, 0);
+
+ /* verify rtp header */
+ if (receiver->message.header.version != 2) {
+ *len = 0;
+ return -1;
+ }
+
+#if PRINT_DEBUG
+ fprintf(stderr, "%d octets received from SSRC %u\n",
+ octets_recvd, receiver->message.header.ssrc);
+#endif
+#if VERBOSE_DEBUG
+ srtp_print_packet(&receiver->message.header, octets_recvd);
+#endif
+
+ /* apply srtp */
+ stat = srtp_unprotect(receiver->srtp_ctx,
+ &receiver->message.header, &octets_recvd);
+ if (stat) {
+ fprintf(stderr,
+ "error: srtp unprotection failed with code %d%s\n", stat,
+ stat == err_status_replay_fail ? " (replay check failed)" :
+ stat == err_status_auth_fail ? " (auth check failed)" : "");
+ return -1;
+ }
+ strncpy(msg, receiver->message.body, octets_recvd);
+
+ return octets_recvd;
+}
+
+int
+rtp_sender_init(rtp_sender_t sender,
+ int socket,
+ struct sockaddr_in addr,
+ unsigned int ssrc) {
+
+ /* set header values */
+ sender->message.header.ssrc = htonl(ssrc);
+ sender->message.header.ts = 0;
+ sender->message.header.seq = (uint16_t) rand();
+ sender->message.header.m = 0;
+ sender->message.header.pt = 0x1;
+ sender->message.header.version = 2;
+ sender->message.header.p = 0;
+ sender->message.header.x = 0;
+ sender->message.header.cc = 0;
+
+ /* set other stuff */
+ sender->socket = socket;
+ sender->addr = addr;
+
+ return 0;
+}
+
+int
+rtp_receiver_init(rtp_receiver_t rcvr,
+ int socket,
+ struct sockaddr_in addr,
+ unsigned int ssrc) {
+
+ /* set header values */
+ rcvr->message.header.ssrc = htonl(ssrc);
+ rcvr->message.header.ts = 0;
+ rcvr->message.header.seq = 0;
+ rcvr->message.header.m = 0;
+ rcvr->message.header.pt = 0x1;
+ rcvr->message.header.version = 2;
+ rcvr->message.header.p = 0;
+ rcvr->message.header.x = 0;
+ rcvr->message.header.cc = 0;
+
+ /* set other stuff */
+ rcvr->socket = socket;
+ rcvr->addr = addr;
+
+ return 0;
+}
+
+int
+rtp_sender_init_srtp(rtp_sender_t sender, const srtp_policy_t *policy) {
+ return srtp_create(&sender->srtp_ctx, policy);
+}
+
+int
+rtp_receiver_init_srtp(rtp_receiver_t sender, const srtp_policy_t *policy) {
+ return srtp_create(&sender->srtp_ctx, policy);
+}
+
+rtp_sender_t
+rtp_sender_alloc() {
+ return (rtp_sender_t)malloc(sizeof(rtp_sender_ctx_t));
+}
+
+rtp_receiver_t
+rtp_receiver_alloc() {
+ return (rtp_receiver_t)malloc(sizeof(rtp_receiver_ctx_t));
+}
diff --git a/test/rtpw.c b/test/rtpw.c
new file mode 100644
index 0000000..b0cc048
--- /dev/null
+++ b/test/rtpw.c
@@ -0,0 +1,523 @@
+/*
+ * rtpw.c
+ *
+ * rtp word sender/receiver
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ * This app is a simple RTP application intended only for testing
+ * libsrtp. It reads one word at a time from /usr/dict/words (or
+ * whatever file is specified as DICT_FILE), and sends one word out
+ * each USEC_RATE microseconds. Secure RTP protections can be
+ * applied. See the usage() function for more details.
+ *
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include "datatypes.h"
+#include "getopt_s.h" /* for local getopt() */
+
+#include <stdio.h> /* for printf, fprintf */
+#include <stdlib.h> /* for atoi() */
+#include <errno.h>
+#include <unistd.h> /* for close() */
+
+#include <string.h> /* for strncpy() */
+#include <time.h> /* for usleep() */
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#elif defined HAVE_WINSOCK2_H
+# include <winsock2.h>
+# include <ws2tcpip.h>
+# define RTPW_USE_WINSOCK2 1
+#endif
+#ifdef HAVE_ARPA_INET_H
+# include <arpa/inet.h>
+#endif
+
+#include "srtp.h"
+#include "rtp.h"
+
+#ifdef RTPW_USE_WINSOCK2
+# define DICT_FILE "words.txt"
+#else
+# define DICT_FILE "/usr/share/dict/words"
+#endif
+#define USEC_RATE (5e5)
+#define MAX_WORD_LEN 128
+#define ADDR_IS_MULTICAST(a) IN_MULTICAST(htonl(a))
+#define MAX_KEY_LEN 64
+#define MASTER_KEY_LEN 30
+
+
+#ifndef HAVE_USLEEP
+# ifdef HAVE_WINDOWS_H
+# define usleep(us) Sleep((us)/1000)
+# else
+# define usleep(us) sleep((us)/1000000)
+# endif
+#endif
+
+
+/*
+ * the function usage() prints an error message describing how this
+ * program should be called, then calls exit()
+ */
+
+void
+usage(char *prog_name);
+
+/*
+ * leave_group(...) de-registers from a multicast group
+ */
+
+void
+leave_group(int sock, struct ip_mreq mreq, char *name);
+
+
+/*
+ * program_type distinguishes the [s]rtp sender and receiver cases
+ */
+
+typedef enum { sender, receiver, unknown } program_type;
+
+int
+main (int argc, char *argv[]) {
+ char *dictfile = DICT_FILE;
+ FILE *dict;
+ char word[MAX_WORD_LEN];
+ int sock, ret;
+ struct in_addr rcvr_addr;
+ struct sockaddr_in name;
+ struct ip_mreq mreq;
+#if BEW
+ struct sockaddr_in local;
+#endif
+ program_type prog_type = unknown;
+ sec_serv_t sec_servs = sec_serv_none;
+ unsigned char ttl = 5;
+ int c;
+ char *input_key = NULL;
+ char *address = NULL;
+ char key[MAX_KEY_LEN];
+ unsigned short port = 0;
+ rtp_sender_t snd;
+ srtp_policy_t policy;
+ err_status_t status;
+ int len;
+ int do_list_mods = 0;
+ uint32_t ssrc = 0xdeadbeef; /* ssrc value hardcoded for now */
+#ifdef RTPW_USE_WINSOCK2
+ WORD wVersionRequested = MAKEWORD(2, 0);
+ WSADATA wsaData;
+
+ ret = WSAStartup(wVersionRequested, &wsaData);
+ if (ret != 0) {
+ fprintf(stderr, "error: WSAStartup() failed: %d\n", ret);
+ exit(1);
+ }
+#endif
+
+ /* initialize srtp library */
+ status = srtp_init();
+ if (status) {
+ printf("error: srtp initialization failed with error code %d\n", status);
+ exit(1);
+ }
+
+ /* check args */
+ while (1) {
+ c = getopt_s(argc, argv, "k:rsaeld:");
+ if (c == -1) {
+ break;
+ }
+ switch (c) {
+ case 'k':
+ input_key = optarg_s;
+ break;
+ case 'e':
+ sec_servs |= sec_serv_conf;
+ break;
+ case 'a':
+ sec_servs |= sec_serv_auth;
+ break;
+ case 'r':
+ prog_type = receiver;
+ break;
+ case 's':
+ prog_type = sender;
+ break;
+ case 'd':
+ status = crypto_kernel_set_debug_module(optarg_s, 1);
+ if (status) {
+ printf("error: set debug module (%s) failed\n", optarg_s);
+ exit(1);
+ }
+ break;
+ case 'l':
+ do_list_mods = 1;
+ break;
+ default:
+ usage(argv[0]);
+ }
+ }
+
+ if (prog_type == unknown) {
+ if (do_list_mods) {
+ status = crypto_kernel_list_debug_modules();
+ if (status) {
+ printf("error: list of debug modules failed\n");
+ exit(1);
+ }
+ return 0;
+ } else {
+ printf("error: neither sender [-s] nor receiver [-r] specified\n");
+ usage(argv[0]);
+ }
+ }
+
+ if ((sec_servs && !input_key) || (!sec_servs && input_key)) {
+ /*
+ * a key must be provided if and only if security services have
+ * been requested
+ */
+ usage(argv[0]);
+ }
+
+ if (argc != optind_s + 2) {
+ /* wrong number of arguments */
+ usage(argv[0]);
+ }
+
+ /* get address from arg */
+ address = argv[optind_s++];
+
+ /* get port from arg */
+ port = atoi(argv[optind_s++]);
+
+ /* set address */
+#ifdef HAVE_INET_ATON
+ if (0 == inet_aton(address, &rcvr_addr)) {
+ fprintf(stderr, "%s: cannot parse IP v4 address %s\n", argv[0], address);
+ exit(1);
+ }
+ if (rcvr_addr.s_addr == INADDR_NONE) {
+ fprintf(stderr, "%s: address error", argv[0]);
+ exit(1);
+ }
+#else
+ rcvr_addr.s_addr = inet_addr(address);
+ if (0xffffffff == rcvr_addr.s_addr) {
+ fprintf(stderr, "%s: cannot parse IP v4 address %s\n", argv[0], address);
+ exit(1);
+ }
+#endif
+
+ /* open socket */
+ sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ if (sock < 0) {
+ int err;
+#ifdef RTPW_USE_WINSOCK2
+ err = WSAGetLastError();
+#else
+ err = errno;
+#endif
+ fprintf(stderr, "%s: couldn't open socket: %d\n", argv[0], err);
+ exit(1);
+ }
+
+ name.sin_addr = rcvr_addr;
+ name.sin_family = PF_INET;
+ name.sin_port = htons(port);
+
+ if (ADDR_IS_MULTICAST(rcvr_addr.s_addr)) {
+ if (prog_type == sender) {
+ ret = setsockopt(sock, IPPROTO_IP, IP_MULTICAST_TTL, &ttl,
+ sizeof(ttl));
+ if (ret < 0) {
+ fprintf(stderr, "%s: Failed to set TTL for multicast group", argv[0]);
+ perror("");
+ exit(1);
+ }
+ }
+
+ mreq.imr_multiaddr.s_addr = rcvr_addr.s_addr;
+ mreq.imr_interface.s_addr = htonl(INADDR_ANY);
+ ret = setsockopt(sock, IPPROTO_IP, IP_ADD_MEMBERSHIP, (void*)&mreq,
+ sizeof(mreq));
+ if (ret < 0) {
+ fprintf(stderr, "%s: Failed to join multicast group", argv[0]);
+ perror("");
+ exit(1);
+ }
+ }
+
+ /* report security services selected on the command line */
+ printf("security services: ");
+ if (sec_servs & sec_serv_conf)
+ printf("confidentiality ");
+ if (sec_servs & sec_serv_auth)
+ printf("message authentication");
+ if (sec_servs == sec_serv_none)
+ printf("none");
+ printf("\n");
+
+ /* set up the srtp policy and master key */
+ if (sec_servs) {
+ /*
+ * create policy structure, using the default mechanisms but
+ * with only the security services requested on the command line,
+ * using the right SSRC value
+ */
+ switch (sec_servs) {
+ case sec_serv_conf_and_auth:
+ crypto_policy_set_rtp_default(&policy.rtp);
+ crypto_policy_set_rtcp_default(&policy.rtcp);
+ break;
+ case sec_serv_conf:
+ crypto_policy_set_aes_cm_128_null_auth(&policy.rtp);
+ crypto_policy_set_rtcp_default(&policy.rtcp);
+ break;
+ case sec_serv_auth:
+ crypto_policy_set_null_cipher_hmac_sha1_80(&policy.rtp);
+ crypto_policy_set_rtcp_default(&policy.rtcp);
+ break;
+ default:
+ printf("error: unknown security service requested\n");
+ return -1;
+ }
+ policy.ssrc.type = ssrc_specific;
+ policy.ssrc.value = ssrc;
+ policy.key = (uint8_t *) key;
+ policy.next = NULL;
+ policy.window_size = 128;
+ policy.allow_repeat_tx = 0;
+ policy.rtp.sec_serv = sec_servs;
+ policy.rtcp.sec_serv = sec_serv_none; /* we don't do RTCP anyway */
+
+ /*
+ * read key from hexadecimal on command line into an octet string
+ */
+ len = hex_string_to_octet_string(key, input_key, MASTER_KEY_LEN*2);
+
+ /* check that hex string is the right length */
+ if (len < MASTER_KEY_LEN*2) {
+ fprintf(stderr,
+ "error: too few digits in key/salt "
+ "(should be %d hexadecimal digits, found %d)\n",
+ MASTER_KEY_LEN*2, len);
+ exit(1);
+ }
+ if (strlen(input_key) > MASTER_KEY_LEN*2) {
+ fprintf(stderr,
+ "error: too many digits in key/salt "
+ "(should be %d hexadecimal digits, found %u)\n",
+ MASTER_KEY_LEN*2, (unsigned)strlen(input_key));
+ exit(1);
+ }
+
+ printf("set master key/salt to %s/", octet_string_hex_string(key, 16));
+ printf("%s\n", octet_string_hex_string(key+16, 14));
+
+ } else {
+ /*
+ * we're not providing security services, so set the policy to the
+ * null policy
+ *
+ * Note that this policy does not conform to the SRTP
+ * specification, since RTCP authentication is required. However,
+ * the effect of this policy is to turn off SRTP, so that this
+ * application is now a vanilla-flavored RTP application.
+ */
+ policy.key = (uint8_t *)key;
+ policy.ssrc.type = ssrc_specific;
+ policy.ssrc.value = ssrc;
+ policy.rtp.cipher_type = NULL_CIPHER;
+ policy.rtp.cipher_key_len = 0;
+ policy.rtp.auth_type = NULL_AUTH;
+ policy.rtp.auth_key_len = 0;
+ policy.rtp.auth_tag_len = 0;
+ policy.rtp.sec_serv = sec_serv_none;
+ policy.rtcp.cipher_type = NULL_CIPHER;
+ policy.rtcp.cipher_key_len = 0;
+ policy.rtcp.auth_type = NULL_AUTH;
+ policy.rtcp.auth_key_len = 0;
+ policy.rtcp.auth_tag_len = 0;
+ policy.rtcp.sec_serv = sec_serv_none;
+ policy.window_size = 0;
+ policy.allow_repeat_tx = 0;
+ policy.next = NULL;
+ }
+
+ if (prog_type == sender) {
+
+#if BEW
+ /* bind to local socket (to match crypto policy, if need be) */
+ memset(&local, 0, sizeof(struct sockaddr_in));
+ local.sin_addr.s_addr = htonl(INADDR_ANY);
+ local.sin_port = htons(port);
+ ret = bind(sock, (struct sockaddr *) &local, sizeof(struct sockaddr_in));
+ if (ret < 0) {
+ fprintf(stderr, "%s: bind failed\n", argv[0]);
+ perror("");
+ exit(1);
+ }
+#endif /* BEW */
+
+ /* initialize sender's rtp and srtp contexts */
+ snd = rtp_sender_alloc();
+ if (snd == NULL) {
+ fprintf(stderr, "error: malloc() failed\n");
+ exit(1);
+ }
+ rtp_sender_init(snd, sock, name, ssrc);
+ status = rtp_sender_init_srtp(snd, &policy);
+ if (status) {
+ fprintf(stderr,
+ "error: srtp_create() failed with code %d\n",
+ status);
+ exit(1);
+ }
+
+ /* open dictionary */
+ dict = fopen (dictfile, "r");
+ if (dict == NULL) {
+ fprintf(stderr, "%s: couldn't open file %s\n", argv[0], dictfile);
+ if (ADDR_IS_MULTICAST(rcvr_addr.s_addr)) {
+ leave_group(sock, mreq, argv[0]);
+ }
+ exit(1);
+ }
+
+ /* read words from dictionary, then send them off */
+ while (fgets(word, MAX_WORD_LEN, dict) != NULL) {
+ len = strlen(word) + 1; /* plus one for null */
+
+ if (len > MAX_WORD_LEN)
+ printf("error: word %s too large to send\n", word);
+ else {
+ rtp_sendto(snd, word, len);
+ printf("sending word: %s", word);
+ }
+ usleep(USEC_RATE);
+ }
+
+ } else { /* prog_type == receiver */
+ rtp_receiver_t rcvr;
+
+ if (bind(sock, (struct sockaddr *)&name, sizeof(name)) < 0) {
+ close(sock);
+ fprintf(stderr, "%s: socket bind error\n", argv[0]);
+ perror(NULL);
+ if (ADDR_IS_MULTICAST(rcvr_addr.s_addr)) {
+ leave_group(sock, mreq, argv[0]);
+ }
+ exit(1);
+ }
+
+ rcvr = rtp_receiver_alloc();
+ if (rcvr == NULL) {
+ fprintf(stderr, "error: malloc() failed\n");
+ exit(1);
+ }
+ rtp_receiver_init(rcvr, sock, name, ssrc);
+ status = rtp_receiver_init_srtp(rcvr, &policy);
+ if (status) {
+ fprintf(stderr,
+ "error: srtp_create() failed with code %d\n",
+ status);
+ exit(1);
+ }
+
+ /* get next word and loop */
+ while (1) {
+ len = MAX_WORD_LEN;
+ if (rtp_recvfrom(rcvr, word, &len) > -1)
+ printf("\tword: %s", word);
+ }
+
+ }
+
+ if (ADDR_IS_MULTICAST(rcvr_addr.s_addr)) {
+ leave_group(sock, mreq, argv[0]);
+ }
+
+#ifdef RTPW_USE_WINSOCK2
+ WSACleanup();
+#endif
+
+ return 0;
+}
+
+
+void
+usage(char *string) {
+
+ printf("usage: %s [-d <debug>]* [-k <key> [-a][-e]] "
+ "[-s | -r] dest_ip dest_port\n"
+ "or %s -l\n"
+ "where -a use message authentication\n"
+ " -e use encryption\n"
+ " -k <key> sets the srtp master key\n"
+ " -s act as rtp sender\n"
+ " -r act as rtp receiver\n"
+ " -l list debug modules\n"
+ " -d <debug> turn on debugging for module <debug>\n",
+ string, string);
+ exit(1);
+
+}
+
+
+void
+leave_group(int sock, struct ip_mreq mreq, char *name) {
+ int ret;
+
+ ret = setsockopt(sock, IPPROTO_IP, IP_DROP_MEMBERSHIP, (void*)&mreq,
+ sizeof(mreq));
+ if (ret < 0) {
+ fprintf(stderr, "%s: Failed to leave multicast group", name);
+ perror("");
+ }
+}
+
diff --git a/test/rtpw_test.sh b/test/rtpw_test.sh
new file mode 100644
index 0000000..6587bf5
--- /dev/null
+++ b/test/rtpw_test.sh
@@ -0,0 +1,77 @@
+#!/bin/sh
+#
+# usage: rtpw_test <rtpw_commands>
+#
+# tests the rtpw sender and receiver functions
+
+RTPW=./rtpw
+DEST_PORT=9999
+DURATION=3
+
+key=2b2edc5034f61a72345ca5986d7bfd0189aa6dc2ecab32fd9af74df6dfc6
+
+ARGS="-k $key -ae"
+
+# First, we run "killall" to get rid of all existing rtpw processes.
+# This step also enables this script to clean up after itself; if this
+# script is interrupted after the rtpw processes are started but before
+# they are killed, those processes will linger. Re-running the script
+# will get rid of them.
+
+killall rtpw 2>/dev/null
+
+if test -x $RTPW; then
+
+echo $0 ": starting rtpw receiver process... "
+
+$RTPW $* $ARGS -r 0.0.0.0 $DEST_PORT &
+
+receiver_pid=$!
+
+echo $0 ": receiver PID = $receiver_pid"
+
+sleep 1
+
+# verify that the background job is running
+ps | grep -q $receiver_pid
+retval=$?
+echo $retval
+if [ $retval != 0 ]; then
+ echo $0 ": error"
+ exit 254
+fi
+
+echo $0 ": starting rtpw sender process..."
+
+$RTPW $* $ARGS -s 127.0.0.1 $DEST_PORT &
+
+sender_pid=$!
+
+echo $0 ": sender PID = $sender_pid"
+
+# verify that the background job is running
+ps | grep -q $sender_pid
+retval=$?
+echo $retval
+if [ $retval != 0 ]; then
+ echo $0 ": error"
+ exit 255
+fi
+
+sleep $DURATION
+
+kill $receiver_pid
+kill $sender_pid
+
+echo $0 ": done (test passed)"
+
+else
+
+echo "error: can't find executable" $RTPW
+exit 1
+
+fi
+
+# EOF
+
+
diff --git a/test/srtp_driver.c b/test/srtp_driver.c
new file mode 100644
index 0000000..3c97072
--- /dev/null
+++ b/test/srtp_driver.c
@@ -0,0 +1,1566 @@
+/*
+ * srtp_driver.c
+ *
+ * a test driver for libSRTP
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+/*
+ *
+ * Copyright (c) 2001-2006, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * Neither the name of the Cisco Systems, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+
+#include <string.h> /* for memcpy() */
+#include <time.h> /* for clock() */
+#include <stdlib.h> /* for malloc(), free() */
+#include <stdio.h> /* for print(), fflush() */
+#include "getopt_s.h" /* for local getopt() */
+
+#include "srtp_priv.h"
+
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#elif defined HAVE_WINSOCK2_H
+# include <winsock2.h>
+#endif
+
+#define PRINT_REFERENCE_PACKET 1
+
+err_status_t
+srtp_validate(void);
+
+err_status_t
+srtp_create_big_policy(srtp_policy_t **list);
+
+err_status_t
+srtp_test_remove_stream(void);
+
+double
+srtp_bits_per_second(int msg_len_octets, const srtp_policy_t *policy);
+
+double
+srtp_rejections_per_second(int msg_len_octets, const srtp_policy_t *policy);
+
+void
+srtp_do_timing(const srtp_policy_t *policy);
+
+void
+srtp_do_rejection_timing(const srtp_policy_t *policy);
+
+err_status_t
+srtp_test(const srtp_policy_t *policy);
+
+err_status_t
+srtcp_test(const srtp_policy_t *policy);
+
+err_status_t
+srtp_session_print_policy(srtp_t srtp);
+
+err_status_t
+srtp_print_policy(const srtp_policy_t *policy);
+
+char *
+srtp_packet_to_string(srtp_hdr_t *hdr, int packet_len);
+
+double
+mips_estimate(int num_trials, int *ignore);
+
+extern uint8_t test_key[30];
+
+void
+usage(char *prog_name) {
+ printf("usage: %s [ -t ][ -c ][ -v ][-d <debug_module> ]* [ -l ]\n"
+ " -t run timing test\n"
+ " -r run rejection timing test\n"
+ " -c run codec timing test\n"
+ " -v run validation tests\n"
+ " -d <mod> turn on debugging module <mod>\n"
+ " -l list debugging modules\n", prog_name);
+ exit(1);
+}
+
+/*
+ * The policy_array is a null-terminated array of policy structs. it
+ * is declared at the end of this file
+ */
+
+extern const srtp_policy_t *policy_array[];
+
+
+/* the wildcard_policy is declared below; it has a wildcard ssrc */
+
+extern const srtp_policy_t wildcard_policy;
+
+/*
+ * mod_driver debug module - debugging module for this test driver
+ *
+ * we use the crypto_kernel debugging system in this driver, which
+ * makes the interface uniform and increases portability
+ */
+
+debug_module_t mod_driver = {
+ 0, /* debugging is off by default */
+ "driver" /* printable name for module */
+};
+
+int
+main (int argc, char *argv[]) {
+ int q;
+ unsigned do_timing_test = 0;
+ unsigned do_rejection_test = 0;
+ unsigned do_codec_timing = 0;
+ unsigned do_validation = 0;
+ unsigned do_list_mods = 0;
+ err_status_t status;
+
+ /*
+ * verify that the compiler has interpreted the header data
+ * structure srtp_hdr_t correctly
+ */
+ if (sizeof(srtp_hdr_t) != 12) {
+ printf("error: srtp_hdr_t has incorrect size"
+ "(size is %ld bytes, expected 12)\n",
+ (long)sizeof(srtp_hdr_t));
+ exit(1);
+ }
+
+ /* initialize srtp library */
+ status = srtp_init();
+ if (status) {
+ printf("error: srtp init failed with error code %d\n", status);
+ exit(1);
+ }
+
+ /* load srtp_driver debug module */
+ status = crypto_kernel_load_debug_module(&mod_driver);
+ if (status) {
+ printf("error: load of srtp_driver debug module failed "
+ "with error code %d\n", status);
+ exit(1);
+ }
+
+ /* process input arguments */
+ while (1) {
+ q = getopt_s(argc, argv, "trcvld:");
+ if (q == -1)
+ break;
+ switch (q) {
+ case 't':
+ do_timing_test = 1;
+ break;
+ case 'r':
+ do_rejection_test = 1;
+ break;
+ case 'c':
+ do_codec_timing = 1;
+ break;
+ case 'v':
+ do_validation = 1;
+ break;
+ case 'l':
+ do_list_mods = 1;
+ break;
+ case 'd':
+ status = crypto_kernel_set_debug_module(optarg_s, 1);
+ if (status) {
+ printf("error: set debug module (%s) failed\n", optarg_s);
+ exit(1);
+ }
+ break;
+ default:
+ usage(argv[0]);
+ }
+ }
+
+ if (!do_validation && !do_timing_test && !do_codec_timing
+ && !do_list_mods && !do_rejection_test)
+ usage(argv[0]);
+
+ if (do_list_mods) {
+ status = crypto_kernel_list_debug_modules();
+ if (status) {
+ printf("error: list of debug modules failed\n");
+ exit(1);
+ }
+ }
+
+ if (do_validation) {
+ const srtp_policy_t **policy = policy_array;
+ srtp_policy_t *big_policy;
+
+ /* loop over policy array, testing srtp and srtcp for each policy */
+ while (*policy != NULL) {
+ printf("testing srtp_protect and srtp_unprotect\n");
+ if (srtp_test(*policy) == err_status_ok)
+ printf("passed\n\n");
+ else {
+ printf("failed\n");
+ exit(1);
+ }
+ printf("testing srtp_protect_rtcp and srtp_unprotect_rtcp\n");
+ if (srtcp_test(*policy) == err_status_ok)
+ printf("passed\n\n");
+ else {
+ printf("failed\n");
+ exit(1);
+ }
+ policy++;
+ }
+
+ /* create a big policy list and run tests on it */
+ status = srtp_create_big_policy(&big_policy);
+ if (status) {
+ printf("unexpected failure with error code %d\n", status);
+ exit(1);
+ }
+ printf("testing srtp_protect and srtp_unprotect with big policy\n");
+ if (srtp_test(big_policy) == err_status_ok)
+ printf("passed\n\n");
+ else {
+ printf("failed\n");
+ exit(1);
+ }
+
+ /* run test on wildcard policy */
+ printf("testing srtp_protect and srtp_unprotect on "
+ "wildcard ssrc policy\n");
+ if (srtp_test(&wildcard_policy) == err_status_ok)
+ printf("passed\n\n");
+ else {
+ printf("failed\n");
+ exit(1);
+ }
+
+ /*
+ * run validation test against the reference packets - note
+ * that this test only covers the default policy
+ */
+ printf("testing srtp_protect and srtp_unprotect against "
+ "reference packets\n");
+ if (srtp_validate() == err_status_ok)
+ printf("passed\n\n");
+ else {
+ printf("failed\n");
+ exit(1);
+ }
+
+ /*
+ * test the function srtp_remove_stream()
+ */
+ printf("testing srtp_remove_stream()...");
+ if (srtp_test_remove_stream() == err_status_ok)
+ printf("passed\n");
+ else {
+ printf("failed\n");
+ exit(1);
+ }
+ }
+
+ if (do_timing_test) {
+ const srtp_policy_t **policy = policy_array;
+
+ /* loop over policies, run timing test for each */
+ while (*policy != NULL) {
+ srtp_print_policy(*policy);
+ srtp_do_timing(*policy);
+ policy++;
+ }
+ }
+
+ if (do_rejection_test) {
+ const srtp_policy_t **policy = policy_array;
+
+ /* loop over policies, run rejection timing test for each */
+ while (*policy != NULL) {
+ srtp_print_policy(*policy);
+ srtp_do_rejection_timing(*policy);
+ policy++;
+ }
+ }
+
+ if (do_codec_timing) {
+ srtp_policy_t policy;
+ int ignore;
+ double mips = mips_estimate(1000000000, &ignore);
+
+ crypto_policy_set_rtp_default(&policy.rtp);
+ crypto_policy_set_rtcp_default(&policy.rtcp);
+ policy.ssrc.type = ssrc_specific;
+ policy.ssrc.value = 0xdecafbad;
+ policy.key = test_key;
+ policy.ekt = NULL;
+ policy.window_size = 128;
+ policy.allow_repeat_tx = 0;
+ policy.next = NULL;
+
+ printf("mips estimate: %e\n", mips);
+
+ printf("testing srtp processing time for voice codecs:\n");
+ printf("codec\t\tlength (octets)\t\tsrtp instructions/second\n");
+ printf("G.711\t\t%d\t\t\t%e\n", 80,
+ (double) mips * (80 * 8) /
+ srtp_bits_per_second(80, &policy) / .01 );
+ printf("G.711\t\t%d\t\t\t%e\n", 160,
+ (double) mips * (160 * 8) /
+ srtp_bits_per_second(160, &policy) / .02);
+ printf("G.726-32\t%d\t\t\t%e\n", 40,
+ (double) mips * (40 * 8) /
+ srtp_bits_per_second(40, &policy) / .01 );
+ printf("G.726-32\t%d\t\t\t%e\n", 80,
+ (double) mips * (80 * 8) /
+ srtp_bits_per_second(80, &policy) / .02);
+ printf("G.729\t\t%d\t\t\t%e\n", 10,
+ (double) mips * (10 * 8) /
+ srtp_bits_per_second(10, &policy) / .01 );
+ printf("G.729\t\t%d\t\t\t%e\n", 20,
+ (double) mips * (20 * 8) /
+ srtp_bits_per_second(20, &policy) / .02 );
+ printf("Wideband\t%d\t\t\t%e\n", 320,
+ (double) mips * (320 * 8) /
+ srtp_bits_per_second(320, &policy) / .01 );
+ printf("Wideband\t%d\t\t\t%e\n", 640,
+ (double) mips * (640 * 8) /
+ srtp_bits_per_second(640, &policy) / .02 );
+ }
+
+ return 0;
+}
+
+
+
+/*
+ * srtp_create_test_packet(len, ssrc) returns a pointer to a
+ * (malloced) example RTP packet whose data field has the length given
+ * by pkt_octet_len and the SSRC value ssrc. The total length of the
+ * packet is twelve octets longer, since the header is at the
+ * beginning. There is room at the end of the packet for a trailer,
+ * and the four octets following the packet are filled with 0xff
+ * values to enable testing for overwrites.
+ *
+ * note that the location of the test packet can (and should) be
+ * deallocated with the free() call once it is no longer needed.
+ */
+
+srtp_hdr_t *
+srtp_create_test_packet(int pkt_octet_len, uint32_t ssrc) {
+ int i;
+ uint8_t *buffer;
+ srtp_hdr_t *hdr;
+ int bytes_in_hdr = 12;
+
+ /* allocate memory for test packet */
+ hdr = (srtp_hdr_t*) malloc(pkt_octet_len + bytes_in_hdr
+ + SRTP_MAX_TRAILER_LEN + 4);
+ if (!hdr)
+ return NULL;
+
+ hdr->version = 2; /* RTP version two */
+ hdr->p = 0; /* no padding needed */
+ hdr->x = 0; /* no header extension */
+ hdr->cc = 0; /* no CSRCs */
+ hdr->m = 0; /* marker bit */
+ hdr->pt = 0xf; /* payload type */
+ hdr->seq = htons(0x1234); /* sequence number */
+ hdr->ts = htonl(0xdecafbad); /* timestamp */
+ hdr->ssrc = htonl(ssrc); /* synch. source */
+
+ buffer = (uint8_t *)hdr;
+ buffer += bytes_in_hdr;
+
+ /* set RTP data to 0xab */
+ for (i=0; i < pkt_octet_len; i++)
+ *buffer++ = 0xab;
+
+ /* set post-data value to 0xffff to enable overrun checking */
+ for (i=0; i < SRTP_MAX_TRAILER_LEN+4; i++)
+ *buffer++ = 0xff;
+
+ return hdr;
+}
+
+void
+srtp_do_timing(const srtp_policy_t *policy) {
+ int len;
+
+ /*
+ * note: the output of this function is formatted so that it
+ * can be used in gnuplot. '#' indicates a comment, and "\r\n"
+ * terminates a record
+ */
+
+ printf("# testing srtp throughput:\r\n");
+ printf("# mesg length (octets)\tthroughput (megabits per second)\r\n");
+
+ for (len=16; len <= 2048; len *= 2)
+ printf("%d\t\t\t%f\r\n", len,
+ srtp_bits_per_second(len, policy) / 1.0E6);
+
+ /* these extra linefeeds let gnuplot know that a dataset is done */
+ printf("\r\n\r\n");
+
+}
+
+void
+srtp_do_rejection_timing(const srtp_policy_t *policy) {
+ int len;
+
+ /*
+ * note: the output of this function is formatted so that it
+ * can be used in gnuplot. '#' indicates a comment, and "\r\n"
+ * terminates a record
+ */
+
+ printf("# testing srtp rejection throughput:\r\n");
+ printf("# mesg length (octets)\trejections per second\r\n");
+
+ for (len=8; len <= 2048; len *= 2)
+ printf("%d\t\t\t%e\r\n", len, srtp_rejections_per_second(len, policy));
+
+ /* these extra linefeeds let gnuplot know that a dataset is done */
+ printf("\r\n\r\n");
+
+}
+
+
+#define MAX_MSG_LEN 1024
+
+double
+srtp_bits_per_second(int msg_len_octets, const srtp_policy_t *policy) {
+ srtp_t srtp;
+ srtp_hdr_t *mesg;
+ int i;
+ clock_t timer;
+ int num_trials = 100000;
+ int len;
+ uint32_t ssrc;
+ err_status_t status;
+
+ /*
+ * allocate and initialize an srtp session
+ */
+ status = srtp_create(&srtp, policy);
+ if (status) {
+ printf("error: srtp_create() failed with error code %d\n", status);
+ exit(1);
+ }
+
+ /*
+ * if the ssrc is unspecified, use a predetermined one
+ */
+ if (policy->ssrc.type != ssrc_specific) {
+ ssrc = 0xdeadbeef;
+ } else {
+ ssrc = policy->ssrc.value;
+ }
+
+ /*
+ * create a test packet
+ */
+ mesg = srtp_create_test_packet(msg_len_octets, ssrc);
+ if (mesg == NULL)
+ return 0.0; /* indicate failure by returning zero */
+
+ timer = clock();
+ for (i=0; i < num_trials; i++) {
+ err_status_t status;
+ len = msg_len_octets + 12; /* add in rtp header length */
+
+ /* srtp protect message */
+ status = srtp_protect(srtp, mesg, &len);
+ if (status) {
+ printf("error: srtp_protect() failed with error code %d\n", status);
+ exit(1);
+ }
+
+ /* increment message number */
+ mesg->seq = htons(ntohs(mesg->seq) + 1);
+
+ }
+ timer = clock() - timer;
+
+ free(mesg);
+
+ return (double) (msg_len_octets) * 8 *
+ num_trials * CLOCKS_PER_SEC / timer;
+}
+
+double
+srtp_rejections_per_second(int msg_len_octets, const srtp_policy_t *policy) {
+ srtp_ctx_t *srtp;
+ srtp_hdr_t *mesg;
+ int i;
+ int len;
+ clock_t timer;
+ int num_trials = 1000000;
+ uint32_t ssrc = policy->ssrc.value;
+ err_status_t status;
+
+ /*
+ * allocate and initialize an srtp session
+ */
+ status = srtp_create(&srtp, policy);
+ if (status) {
+ printf("error: srtp_create() failed with error code %d\n", status);
+ exit(1);
+ }
+
+ mesg = srtp_create_test_packet(msg_len_octets, ssrc);
+ if (mesg == NULL)
+ return 0.0; /* indicate failure by returning zero */
+
+ len = msg_len_octets;
+ srtp_protect(srtp, (srtp_hdr_t *)mesg, &len);
+
+ timer = clock();
+ for (i=0; i < num_trials; i++) {
+ len = msg_len_octets;
+ srtp_unprotect(srtp, (srtp_hdr_t *)mesg, &len);
+ }
+ timer = clock() - timer;
+
+ free(mesg);
+
+ return (double) num_trials * CLOCKS_PER_SEC / timer;
+}
+
+
+void
+err_check(err_status_t s) {
+ if (s == err_status_ok)
+ return;
+ else
+ fprintf(stderr, "error: unexpected srtp failure (code %d)\n", s);
+ exit (1);
+}
+
+err_status_t
+srtp_test(const srtp_policy_t *policy) {
+ int i;
+ srtp_t srtp_sender;
+ srtp_t srtp_rcvr;
+ err_status_t status = err_status_ok;
+ srtp_hdr_t *hdr, *hdr2;
+ uint8_t hdr_enc[64];
+ uint8_t *pkt_end;
+ int msg_len_octets, msg_len_enc;
+ int len;
+ int tag_length = policy->rtp.auth_tag_len;
+ uint32_t ssrc;
+ srtp_policy_t *rcvr_policy;
+
+ err_check(srtp_create(&srtp_sender, policy));
+
+ /* print out policy */
+ err_check(srtp_session_print_policy(srtp_sender));
+
+ /*
+ * initialize data buffer, using the ssrc in the policy unless that
+ * value is a wildcard, in which case we'll just use an arbitrary
+ * one
+ */
+ if (policy->ssrc.type != ssrc_specific)
+ ssrc = 0xdecafbad;
+ else
+ ssrc = policy->ssrc.value;
+ msg_len_octets = 28;
+ hdr = srtp_create_test_packet(msg_len_octets, ssrc);
+
+ if (hdr == NULL)
+ return err_status_alloc_fail;
+ hdr2 = srtp_create_test_packet(msg_len_octets, ssrc);
+ if (hdr2 == NULL) {
+ free(hdr);
+ return err_status_alloc_fail;
+ }
+
+ /* set message length */
+ len = msg_len_octets;
+
+ debug_print(mod_driver, "before protection:\n%s",
+ srtp_packet_to_string(hdr, len));
+
+#if PRINT_REFERENCE_PACKET
+ debug_print(mod_driver, "reference packet before protection:\n%s",
+ octet_string_hex_string((uint8_t *)hdr, len));
+#endif
+ err_check(srtp_protect(srtp_sender, hdr, &len));
+
+ debug_print(mod_driver, "after protection:\n%s",
+ srtp_packet_to_string(hdr, len));
+#if PRINT_REFERENCE_PACKET
+ debug_print(mod_driver, "after protection:\n%s",
+ octet_string_hex_string((uint8_t *)hdr, len));
+#endif
+
+ /* save protected message and length */
+ memcpy(hdr_enc, hdr, len);
+ msg_len_enc = len;
+
+ /*
+ * check for overrun of the srtp_protect() function
+ *
+ * The packet is followed by a value of 0xfffff; if the value of the
+ * data following the packet is different, then we know that the
+ * protect function is overwriting the end of the packet.
+ */
+ pkt_end = (uint8_t *)hdr + sizeof(srtp_hdr_t)
+ + msg_len_octets + tag_length;
+ for (i = 0; i < 4; i++)
+ if (pkt_end[i] != 0xff) {
+ fprintf(stdout, "overwrite in srtp_protect() function "
+ "(expected %x, found %x in trailing octet %d)\n",
+ 0xff, ((uint8_t *)hdr)[i], i);
+ free(hdr);
+ free(hdr2);
+ return err_status_algo_fail;
+ }
+
+ /*
+ * if the policy includes confidentiality, check that ciphertext is
+ * different than plaintext
+ *
+ * Note that this check will give false negatives, with some small
+ * probability, especially if the packets are short. For that
+ * reason, we skip this check if the plaintext is less than four
+ * octets long.
+ */
+ if ((policy->rtp.sec_serv & sec_serv_conf) && (msg_len_octets >= 4)) {
+ printf("testing that ciphertext is distinct from plaintext...");
+ status = err_status_algo_fail;
+ for (i=12; i < msg_len_octets+12; i++)
+ if (((uint8_t *)hdr)[i] != ((uint8_t *)hdr2)[i]) {
+ status = err_status_ok;
+ }
+ if (status) {
+ printf("failed\n");
+ free(hdr);
+ free(hdr2);
+ return status;
+ }
+ printf("passed\n");
+ }
+
+ /*
+ * if the policy uses a 'wildcard' ssrc, then we need to make a copy
+ * of the policy that changes the direction to inbound
+ *
+ * we always copy the policy into the rcvr_policy, since otherwise
+ * the compiler would fret about the constness of the policy
+ */
+ rcvr_policy = (srtp_policy_t*) malloc(sizeof(srtp_policy_t));
+ if (rcvr_policy == NULL)
+ return err_status_alloc_fail;
+ memcpy(rcvr_policy, policy, sizeof(srtp_policy_t));
+ if (policy->ssrc.type == ssrc_any_outbound) {
+ rcvr_policy->ssrc.type = ssrc_any_inbound;
+ }
+
+ err_check(srtp_create(&srtp_rcvr, rcvr_policy));
+
+ err_check(srtp_unprotect(srtp_rcvr, hdr, &len));
+
+ debug_print(mod_driver, "after unprotection:\n%s",
+ srtp_packet_to_string(hdr, len));
+
+ /* verify that the unprotected packet matches the origial one */
+ for (i=0; i < msg_len_octets; i++)
+ if (((uint8_t *)hdr)[i] != ((uint8_t *)hdr2)[i]) {
+ fprintf(stdout, "mismatch at octet %d\n", i);
+ status = err_status_algo_fail;
+ }
+ if (status) {
+ free(hdr);
+ free(hdr2);
+ return status;
+ }
+
+ /*
+ * if the policy includes authentication, then test for false positives
+ */
+ if (policy->rtp.sec_serv & sec_serv_auth) {
+ char *data = ((char *)hdr) + 12;
+
+ printf("testing for false positives in replay check...");
+
+ /* set message length */
+ len = msg_len_enc;
+
+ /* unprotect a second time - should fail with a replay error */
+ status = srtp_unprotect(srtp_rcvr, hdr_enc, &len);
+ if (status != err_status_replay_fail) {
+ printf("failed with error code %d\n", status);
+ free(hdr);
+ free(hdr2);
+ return status;
+ } else {
+ printf("passed\n");
+ }
+
+ printf("testing for false positives in auth check...");
+
+ /* increment sequence number in header */
+ hdr->seq++;
+
+ /* set message length */
+ len = msg_len_octets;
+
+ /* apply protection */
+ err_check(srtp_protect(srtp_sender, hdr, &len));
+
+ /* flip bits in packet */
+ data[0] ^= 0xff;
+
+ /* unprotect, and check for authentication failure */
+ status = srtp_unprotect(srtp_rcvr, hdr, &len);
+ if (status != err_status_auth_fail) {
+ printf("failed\n");
+ free(hdr);
+ free(hdr2);
+ return status;
+ } else {
+ printf("passed\n");
+ }
+
+ }
+
+ err_check(srtp_dealloc(srtp_sender));
+ err_check(srtp_dealloc(srtp_rcvr));
+
+ free(hdr);
+ free(hdr2);
+ return err_status_ok;
+}
+
+
+err_status_t
+srtcp_test(const srtp_policy_t *policy) {
+ int i;
+ srtp_t srtcp_sender;
+ srtp_t srtcp_rcvr;
+ err_status_t status = err_status_ok;
+ srtp_hdr_t *hdr, *hdr2;
+ uint8_t hdr_enc[64];
+ uint8_t *pkt_end;
+ int msg_len_octets, msg_len_enc;
+ int len;
+ int tag_length = policy->rtp.auth_tag_len;
+ uint32_t ssrc;
+ srtp_policy_t *rcvr_policy;
+
+ err_check(srtp_create(&srtcp_sender, policy));
+
+ /* print out policy */
+ err_check(srtp_session_print_policy(srtcp_sender));
+
+ /*
+ * initialize data buffer, using the ssrc in the policy unless that
+ * value is a wildcard, in which case we'll just use an arbitrary
+ * one
+ */
+ if (policy->ssrc.type != ssrc_specific)
+ ssrc = 0xdecafbad;
+ else
+ ssrc = policy->ssrc.value;
+ msg_len_octets = 28;
+ hdr = srtp_create_test_packet(msg_len_octets, ssrc);
+
+ if (hdr == NULL)
+ return err_status_alloc_fail;
+ hdr2 = srtp_create_test_packet(msg_len_octets, ssrc);
+ if (hdr2 == NULL) {
+ free(hdr);
+ return err_status_alloc_fail;
+ }
+
+ /* set message length */
+ len = msg_len_octets;
+
+ debug_print(mod_driver, "before protection:\n%s",
+ srtp_packet_to_string(hdr, len));
+
+#if PRINT_REFERENCE_PACKET
+ debug_print(mod_driver, "reference packet before protection:\n%s",
+ octet_string_hex_string((uint8_t *)hdr, len));
+#endif
+ err_check(srtp_protect_rtcp(srtcp_sender, hdr, &len));
+
+ debug_print(mod_driver, "after protection:\n%s",
+ srtp_packet_to_string(hdr, len));
+#if PRINT_REFERENCE_PACKET
+ debug_print(mod_driver, "after protection:\n%s",
+ octet_string_hex_string((uint8_t *)hdr, len));
+#endif
+
+ /* save protected message and length */
+ memcpy(hdr_enc, hdr, len);
+ msg_len_enc = len;
+
+ /*
+ * check for overrun of the srtp_protect() function
+ *
+ * The packet is followed by a value of 0xfffff; if the value of the
+ * data following the packet is different, then we know that the
+ * protect function is overwriting the end of the packet.
+ */
+ pkt_end = (uint8_t *)hdr + sizeof(srtp_hdr_t)
+ + msg_len_octets + tag_length;
+ for (i = 0; i < 4; i++)
+ if (pkt_end[i] != 0xff) {
+ fprintf(stdout, "overwrite in srtp_protect_rtcp() function "
+ "(expected %x, found %x in trailing octet %d)\n",
+ 0xff, ((uint8_t *)hdr)[i], i);
+ free(hdr);
+ free(hdr2);
+ return err_status_algo_fail;
+ }
+
+ /*
+ * if the policy includes confidentiality, check that ciphertext is
+ * different than plaintext
+ *
+ * Note that this check will give false negatives, with some small
+ * probability, especially if the packets are short. For that
+ * reason, we skip this check if the plaintext is less than four
+ * octets long.
+ */
+ if ((policy->rtp.sec_serv & sec_serv_conf) && (msg_len_octets >= 4)) {
+ printf("testing that ciphertext is distinct from plaintext...");
+ status = err_status_algo_fail;
+ for (i=12; i < msg_len_octets+12; i++)
+ if (((uint8_t *)hdr)[i] != ((uint8_t *)hdr2)[i]) {
+ status = err_status_ok;
+ }
+ if (status) {
+ printf("failed\n");
+ free(hdr);
+ free(hdr2);
+ return status;
+ }
+ printf("passed\n");
+ }
+
+ /*
+ * if the policy uses a 'wildcard' ssrc, then we need to make a copy
+ * of the policy that changes the direction to inbound
+ *
+ * we always copy the policy into the rcvr_policy, since otherwise
+ * the compiler would fret about the constness of the policy
+ */
+ rcvr_policy = (srtp_policy_t*) malloc(sizeof(srtp_policy_t));
+ if (rcvr_policy == NULL)
+ return err_status_alloc_fail;
+ memcpy(rcvr_policy, policy, sizeof(srtp_policy_t));
+ if (policy->ssrc.type == ssrc_any_outbound) {
+ rcvr_policy->ssrc.type = ssrc_any_inbound;
+ }
+
+ err_check(srtp_create(&srtcp_rcvr, rcvr_policy));
+
+ err_check(srtp_unprotect_rtcp(srtcp_rcvr, hdr, &len));
+
+ debug_print(mod_driver, "after unprotection:\n%s",
+ srtp_packet_to_string(hdr, len));
+
+ /* verify that the unprotected packet matches the origial one */
+ for (i=0; i < msg_len_octets; i++)
+ if (((uint8_t *)hdr)[i] != ((uint8_t *)hdr2)[i]) {
+ fprintf(stdout, "mismatch at octet %d\n", i);
+ status = err_status_algo_fail;
+ }
+ if (status) {
+ free(hdr);
+ free(hdr2);
+ return status;
+ }
+
+ /*
+ * if the policy includes authentication, then test for false positives
+ */
+ if (policy->rtp.sec_serv & sec_serv_auth) {
+ char *data = ((char *)hdr) + 12;
+
+ printf("testing for false positives in replay check...");
+
+ /* set message length */
+ len = msg_len_enc;
+
+ /* unprotect a second time - should fail with a replay error */
+ status = srtp_unprotect_rtcp(srtcp_rcvr, hdr_enc, &len);
+ if (status != err_status_replay_fail) {
+ printf("failed with error code %d\n", status);
+ free(hdr);
+ free(hdr2);
+ return status;
+ } else {
+ printf("passed\n");
+ }
+
+ printf("testing for false positives in auth check...");
+
+ /* increment sequence number in header */
+ hdr->seq++;
+
+ /* set message length */
+ len = msg_len_octets;
+
+ /* apply protection */
+ err_check(srtp_protect_rtcp(srtcp_sender, hdr, &len));
+
+ /* flip bits in packet */
+ data[0] ^= 0xff;
+
+ /* unprotect, and check for authentication failure */
+ status = srtp_unprotect_rtcp(srtcp_rcvr, hdr, &len);
+ if (status != err_status_auth_fail) {
+ printf("failed\n");
+ free(hdr);
+ free(hdr2);
+ return status;
+ } else {
+ printf("passed\n");
+ }
+
+ }
+
+ err_check(srtp_dealloc(srtcp_sender));
+ err_check(srtp_dealloc(srtcp_rcvr));
+
+ free(hdr);
+ free(hdr2);
+ return err_status_ok;
+}
+
+
+err_status_t
+srtp_session_print_policy(srtp_t srtp) {
+ char *serv_descr[4] = {
+ "none",
+ "confidentiality",
+ "authentication",
+ "confidentiality and authentication"
+ };
+ char *direction[3] = {
+ "unknown",
+ "outbound",
+ "inbound"
+ };
+ srtp_stream_t stream;
+
+ /* sanity checking */
+ if (srtp == NULL)
+ return err_status_fail;
+
+ /* if there's a template stream, print it out */
+ if (srtp->stream_template != NULL) {
+ stream = srtp->stream_template;
+ printf("# SSRC: any %s\r\n"
+ "# rtp cipher: %s\r\n"
+ "# rtp auth: %s\r\n"
+ "# rtp services: %s\r\n"
+ "# rtcp cipher: %s\r\n"
+ "# rtcp auth: %s\r\n"
+ "# rtcp services: %s\r\n"
+ "# window size: %lu\r\n"
+ "# tx rtx allowed:%s\r\n",
+ direction[stream->direction],
+ stream->rtp_cipher->type->description,
+ stream->rtp_auth->type->description,
+ serv_descr[stream->rtp_services],
+ stream->rtcp_cipher->type->description,
+ stream->rtcp_auth->type->description,
+ serv_descr[stream->rtcp_services],
+ rdbx_get_window_size(&stream->rtp_rdbx),
+ stream->allow_repeat_tx ? "true" : "false");
+ }
+
+ /* loop over streams in session, printing the policy of each */
+ stream = srtp->stream_list;
+ while (stream != NULL) {
+ if (stream->rtp_services > sec_serv_conf_and_auth)
+ return err_status_bad_param;
+
+ printf("# SSRC: 0x%08x\r\n"
+ "# rtp cipher: %s\r\n"
+ "# rtp auth: %s\r\n"
+ "# rtp services: %s\r\n"
+ "# rtcp cipher: %s\r\n"
+ "# rtcp auth: %s\r\n"
+ "# rtcp services: %s\r\n"
+ "# window size: %lu\r\n"
+ "# tx rtx allowed:%s\r\n",
+ stream->ssrc,
+ stream->rtp_cipher->type->description,
+ stream->rtp_auth->type->description,
+ serv_descr[stream->rtp_services],
+ stream->rtcp_cipher->type->description,
+ stream->rtcp_auth->type->description,
+ serv_descr[stream->rtcp_services],
+ rdbx_get_window_size(&stream->rtp_rdbx),
+ stream->allow_repeat_tx ? "true" : "false");
+
+ /* advance to next stream in the list */
+ stream = stream->next;
+ }
+ return err_status_ok;
+}
+
+err_status_t
+srtp_print_policy(const srtp_policy_t *policy) {
+ err_status_t status;
+ srtp_t session;
+
+ status = srtp_create(&session, policy);
+ if (status)
+ return status;
+ status = srtp_session_print_policy(session);
+ if (status)
+ return status;
+ status = srtp_dealloc(session);
+ if (status)
+ return status;
+ return err_status_ok;
+}
+
+/*
+ * srtp_print_packet(...) is for debugging only
+ * it prints an RTP packet to the stdout
+ *
+ * note that this function is *not* threadsafe
+ */
+
+#include <stdio.h>
+
+#define MTU 2048
+
+char packet_string[MTU];
+
+char *
+srtp_packet_to_string(srtp_hdr_t *hdr, int pkt_octet_len) {
+ int octets_in_rtp_header = 12;
+ uint8_t *data = ((uint8_t *)hdr)+octets_in_rtp_header;
+ int hex_len = pkt_octet_len-octets_in_rtp_header;
+
+ /* sanity checking */
+ if ((hdr == NULL) || (pkt_octet_len > MTU))
+ return NULL;
+
+ /* write packet into string */
+ sprintf(packet_string,
+ "(s)rtp packet: {\n"
+ " version:\t%d\n"
+ " p:\t\t%d\n"
+ " x:\t\t%d\n"
+ " cc:\t\t%d\n"
+ " m:\t\t%d\n"
+ " pt:\t\t%x\n"
+ " seq:\t\t%x\n"
+ " ts:\t\t%x\n"
+ " ssrc:\t%x\n"
+ " data:\t%s\n"
+ "} (%d octets in total)\n",
+ hdr->version,
+ hdr->p,
+ hdr->x,
+ hdr->cc,
+ hdr->m,
+ hdr->pt,
+ hdr->seq,
+ hdr->ts,
+ hdr->ssrc,
+ octet_string_hex_string(data, hex_len),
+ pkt_octet_len);
+
+ return packet_string;
+}
+
+/*
+ * mips_estimate() is a simple function to estimate the number of
+ * instructions per second that the host can perform. note that this
+ * function can be grossly wrong; you may want to have a manual sanity
+ * check of its output!
+ *
+ * the 'ignore' pointer is there to convince the compiler to not just
+ * optimize away the function
+ */
+
+double
+mips_estimate(int num_trials, int *ignore) {
+ clock_t t;
+ int i, sum;
+
+ sum = 0;
+ t = clock();
+ for (i=0; i<num_trials; i++)
+ sum += i;
+ t = clock() - t;
+
+/* printf("%d\n", sum); */
+ *ignore = sum;
+
+ return (double) num_trials * CLOCKS_PER_SEC / t;
+}
+
+
+/*
+ * srtp_validate() verifies the correctness of libsrtp by comparing
+ * some computed packets against some pre-computed reference values.
+ * These packets were made with the default SRTP policy.
+ */
+
+
+err_status_t
+srtp_validate() {
+ unsigned char test_key[30] = {
+ 0xe1, 0xf9, 0x7a, 0x0d, 0x3e, 0x01, 0x8b, 0xe0,
+ 0xd6, 0x4f, 0xa3, 0x2c, 0x06, 0xde, 0x41, 0x39,
+ 0x0e, 0xc6, 0x75, 0xad, 0x49, 0x8a, 0xfe, 0xeb,
+ 0xb6, 0x96, 0x0b, 0x3a, 0xab, 0xe6
+ };
+ uint8_t srtp_plaintext_ref[28] = {
+ 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad,
+ 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab
+ };
+ uint8_t srtp_plaintext[38] = {
+ 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad,
+ 0xca, 0xfe, 0xba, 0xbe, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab, 0xab,
+ 0xab, 0xab, 0xab, 0xab, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
+ };
+ uint8_t srtp_ciphertext[38] = {
+ 0x80, 0x0f, 0x12, 0x34, 0xde, 0xca, 0xfb, 0xad,
+ 0xca, 0xfe, 0xba, 0xbe, 0x4e, 0x55, 0xdc, 0x4c,
+ 0xe7, 0x99, 0x78, 0xd8, 0x8c, 0xa4, 0xd2, 0x15,
+ 0x94, 0x9d, 0x24, 0x02, 0xb7, 0x8d, 0x6a, 0xcc,
+ 0x99, 0xea, 0x17, 0x9b, 0x8d, 0xbb
+ };
+ srtp_t srtp_snd, srtp_recv;
+ err_status_t status;
+ int len;
+ srtp_policy_t policy;
+
+ /*
+ * create a session with a single stream using the default srtp
+ * policy and with the SSRC value 0xcafebabe
+ */
+ crypto_policy_set_rtp_default(&policy.rtp);
+ crypto_policy_set_rtcp_default(&policy.rtcp);
+ policy.ssrc.type = ssrc_specific;
+ policy.ssrc.value = 0xcafebabe;
+ policy.key = test_key;
+ policy.ekt = NULL;
+ policy.window_size = 128;
+ policy.allow_repeat_tx = 0;
+ policy.next = NULL;
+
+ status = srtp_create(&srtp_snd, &policy);
+ if (status)
+ return status;
+
+ /*
+ * protect plaintext, then compare with ciphertext
+ */
+ len = 28;
+ status = srtp_protect(srtp_snd, srtp_plaintext, &len);
+ if (status || (len != 38))
+ return err_status_fail;
+
+ debug_print(mod_driver, "ciphertext:\n %s",
+ octet_string_hex_string(srtp_plaintext, len));
+ debug_print(mod_driver, "ciphertext reference:\n %s",
+ octet_string_hex_string(srtp_ciphertext, len));
+
+ if (octet_string_is_eq(srtp_plaintext, srtp_ciphertext, len))
+ return err_status_fail;
+
+ /*
+ * create a receiver session context comparable to the one created
+ * above - we need to do this so that the replay checking doesn't
+ * complain
+ */
+ status = srtp_create(&srtp_recv, &policy);
+ if (status)
+ return status;
+
+ /*
+ * unprotect ciphertext, then compare with plaintext
+ */
+ status = srtp_unprotect(srtp_recv, srtp_ciphertext, &len);
+ if (status || (len != 28))
+ return status;
+
+ if (octet_string_is_eq(srtp_ciphertext, srtp_plaintext_ref, len))
+ return err_status_fail;
+
+ return err_status_ok;
+}
+
+
+err_status_t
+srtp_create_big_policy(srtp_policy_t **list) {
+ extern const srtp_policy_t *policy_array[];
+ srtp_policy_t *p, *tmp;
+ int i = 0;
+ uint32_t ssrc = 0;
+
+ /* sanity checking */
+ if ((list == NULL) || (policy_array[0] == NULL))
+ return err_status_bad_param;
+
+ /*
+ * loop over policy list, mallocing a new list and copying values
+ * into it (and incrementing the SSRC value as we go along)
+ */
+ tmp = p = NULL;
+ while (policy_array[i] != NULL) {
+ p = (srtp_policy_t*) malloc(sizeof(srtp_policy_t));
+ if (p == NULL)
+ return err_status_bad_param;
+ memcpy(p, policy_array[i], sizeof(srtp_policy_t));
+ p->ssrc.type = ssrc_specific;
+ p->ssrc.value = ssrc++;
+ p->next = tmp;
+ tmp = p;
+ i++;
+ }
+ *list = p;
+
+ return err_status_ok;
+}
+
+err_status_t
+srtp_test_remove_stream() {
+ err_status_t status;
+ srtp_policy_t *policy_list;
+ srtp_t session;
+ srtp_stream_t stream;
+ /*
+ * srtp_get_stream() is a libSRTP internal function that we declare
+ * here so that we can use it to verify the correct operation of the
+ * library
+ */
+ extern srtp_stream_t srtp_get_stream(srtp_t srtp, uint32_t ssrc);
+
+
+ status = srtp_create_big_policy(&policy_list);
+ if (status)
+ return status;
+
+ status = srtp_create(&session, policy_list);
+ if (status)
+ return status;
+
+ /*
+ * check for false positives by trying to remove a stream that's not
+ * in the session
+ */
+ status = srtp_remove_stream(session, htonl(0xaaaaaaaa));
+ if (status != err_status_no_ctx)
+ return err_status_fail;
+
+ /*
+ * check for false negatives by removing stream 0x1, then
+ * searching for streams 0x0 and 0x2
+ */
+ status = srtp_remove_stream(session, htonl(0x1));
+ if (status != err_status_ok)
+ return err_status_fail;
+ stream = srtp_get_stream(session, htonl(0x0));
+ if (stream == NULL)
+ return err_status_fail;
+ stream = srtp_get_stream(session, htonl(0x2));
+ if (stream == NULL)
+ return err_status_fail;
+
+ return err_status_ok;
+}
+
+/*
+ * srtp policy definitions - these definitions are used above
+ */
+
+unsigned char test_key[30] = {
+ 0xe1, 0xf9, 0x7a, 0x0d, 0x3e, 0x01, 0x8b, 0xe0,
+ 0xd6, 0x4f, 0xa3, 0x2c, 0x06, 0xde, 0x41, 0x39,
+ 0x0e, 0xc6, 0x75, 0xad, 0x49, 0x8a, 0xfe, 0xeb,
+ 0xb6, 0x96, 0x0b, 0x3a, 0xab, 0xe6
+};
+
+
+const srtp_policy_t default_policy = {
+ { ssrc_any_outbound, 0 }, /* SSRC */
+ { /* SRTP policy */
+ AES_128_ICM, /* cipher type */
+ 30, /* cipher key length in octets */
+ HMAC_SHA1, /* authentication func type */
+ 16, /* auth key length in octets */
+ 10, /* auth tag length in octets */
+ sec_serv_conf_and_auth /* security services flag */
+ },
+ { /* SRTCP policy */
+ AES_128_ICM, /* cipher type */
+ 30, /* cipher key length in octets */
+ HMAC_SHA1, /* authentication func type */
+ 16, /* auth key length in octets */
+ 10, /* auth tag length in octets */
+ sec_serv_conf_and_auth /* security services flag */
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
+ 0, /* retransmission not allowed */
+ NULL
+};
+
+const srtp_policy_t aes_tmmh_policy = {
+ { ssrc_any_outbound, 0 }, /* SSRC */
+ {
+ AES_128_ICM, /* cipher type */
+ 30, /* cipher key length in octets */
+ UST_TMMHv2, /* authentication func type */
+ 94, /* auth key length in octets */
+ 4, /* auth tag length in octets */
+ sec_serv_conf_and_auth /* security services flag */
+ },
+ {
+ AES_128_ICM, /* cipher type */
+ 30, /* cipher key length in octets */
+ UST_TMMHv2, /* authentication func type */
+ 94, /* auth key length in octets */
+ 4, /* auth tag length in octets */
+ sec_serv_conf_and_auth /* security services flag */
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
+ 0, /* retransmission not allowed */
+ NULL
+};
+
+const srtp_policy_t tmmh_only_policy = {
+ { ssrc_any_outbound, 0 }, /* SSRC */
+ {
+ AES_128_ICM, /* cipher type */
+ 30, /* cipher key length in octets */
+ UST_TMMHv2, /* authentication func type */
+ 94, /* auth key length in octets */
+ 4, /* auth tag length in octets */
+ sec_serv_auth /* security services flag */
+ },
+ {
+ AES_128_ICM, /* cipher type */
+ 30, /* cipher key length in octets */
+ UST_TMMHv2, /* authentication func type */
+ 94, /* auth key length in octets */
+ 4, /* auth tag length in octets */
+ sec_serv_auth /* security services flag */
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
+ 0, /* retransmission not allowed */
+ NULL
+};
+
+const srtp_policy_t aes_only_policy = {
+ { ssrc_any_outbound, 0 }, /* SSRC */
+ {
+ AES_128_ICM, /* cipher type */
+ 30, /* cipher key length in octets */
+ NULL_AUTH, /* authentication func type */
+ 0, /* auth key length in octets */
+ 0, /* auth tag length in octets */
+ sec_serv_conf /* security services flag */
+ },
+ {
+ AES_128_ICM, /* cipher type */
+ 30, /* cipher key length in octets */
+ NULL_AUTH, /* authentication func type */
+ 0, /* auth key length in octets */
+ 0, /* auth tag length in octets */
+ sec_serv_conf /* security services flag */
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
+ 0, /* retransmission not allowed */
+ NULL
+};
+
+const srtp_policy_t hmac_only_policy = {
+ { ssrc_any_outbound, 0 }, /* SSRC */
+ {
+ NULL_CIPHER, /* cipher type */
+ 0, /* cipher key length in octets */
+ HMAC_SHA1, /* authentication func type */
+ 20, /* auth key length in octets */
+ 4, /* auth tag length in octets */
+ sec_serv_auth /* security services flag */
+ },
+ {
+ NULL_CIPHER, /* cipher type */
+ 0, /* cipher key length in octets */
+ HMAC_SHA1, /* authentication func type */
+ 20, /* auth key length in octets */
+ 4, /* auth tag length in octets */
+ sec_serv_auth /* security services flag */
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
+ 0, /* retransmission not allowed */
+ NULL
+};
+
+const srtp_policy_t null_policy = {
+ { ssrc_any_outbound, 0 }, /* SSRC */
+ {
+ NULL_CIPHER, /* cipher type */
+ 0, /* cipher key length in octets */
+ NULL_AUTH, /* authentication func type */
+ 0, /* auth key length in octets */
+ 0, /* auth tag length in octets */
+ sec_serv_none /* security services flag */
+ },
+ {
+ NULL_CIPHER, /* cipher type */
+ 0, /* cipher key length in octets */
+ NULL_AUTH, /* authentication func type */
+ 0, /* auth key length in octets */
+ 0, /* auth tag length in octets */
+ sec_serv_none /* security services flag */
+ },
+ test_key,
+ NULL, /* indicates that EKT is not in use */
+ 128, /* replay window size */
+ 0, /* retransmission not allowed */
+ NULL
+};
+
+uint8_t ekt_test_key[16] = {
+ 0x77, 0x26, 0x9d, 0xac, 0x16, 0xa3, 0x28, 0xca,
+ 0x8e, 0xc9, 0x68, 0x4b, 0xcc, 0xc4, 0xd2, 0x1b
+};
+
+#include "ekt.h"
+
+ekt_policy_ctx_t ekt_test_policy = {
+ 0xa5a5, /* SPI */
+ EKT_CIPHER_AES_128_ECB,
+ ekt_test_key,
+ NULL
+};
+
+const srtp_policy_t hmac_only_with_ekt_policy = {
+ { ssrc_any_outbound, 0 }, /* SSRC */
+ {
+ NULL_CIPHER, /* cipher type */
+ 0, /* cipher key length in octets */
+ HMAC_SHA1, /* authentication func type */
+ 20, /* auth key length in octets */
+ 4, /* auth tag length in octets */
+ sec_serv_auth /* security services flag */
+ },
+ {
+ NULL_CIPHER, /* cipher type */
+ 0, /* cipher key length in octets */
+ HMAC_SHA1, /* authentication func type */
+ 20, /* auth key length in octets */
+ 4, /* auth tag length in octets */
+ sec_serv_auth /* security services flag */
+ },
+ test_key,
+ &ekt_test_policy, /* indicates that EKT is not in use */
+ 128, /* replay window size */
+ 0, /* retransmission not allowed */
+ NULL
+};
+
+
+/*
+ * an array of pointers to the policies listed above
+ *
+ * This array is used to test various aspects of libSRTP for
+ * different cryptographic policies. The order of the elements
+ * matters - the timing test generates output that can be used
+ * in a plot (see the gnuplot script file 'timing'). If you
+ * add to this list, you should do it at the end.
+ */
+
+#define USE_TMMH 0
+
+const srtp_policy_t *
+policy_array[] = {
+ &hmac_only_policy,
+#if USE_TMMH
+ &tmmh_only_policy,
+#endif
+ &aes_only_policy,
+#if USE_TMMH
+ &aes_tmmh_policy,
+#endif
+ &default_policy,
+ &null_policy,
+ &hmac_only_with_ekt_policy,
+ NULL
+};
+
+const srtp_policy_t wildcard_policy = {
+ { ssrc_any_outbound, 0 }, /* SSRC */
+ { /* SRTP policy */
+ AES_128_ICM, /* cipher type */
+ 30, /* cipher key length in octets */
+ HMAC_SHA1, /* authentication func type */
+ 16, /* auth key length in octets */
+ 10, /* auth tag length in octets */
+ sec_serv_conf_and_auth /* security services flag */
+ },
+ { /* SRTCP policy */
+ AES_128_ICM, /* cipher type */
+ 30, /* cipher key length in octets */
+ HMAC_SHA1, /* authentication func type */
+ 16, /* auth key length in octets */
+ 10, /* auth tag length in octets */
+ sec_serv_conf_and_auth /* security services flag */
+ },
+ test_key,
+ NULL,
+ 128, /* replay window size */
+ 0, /* retransmission not allowed */
+ NULL
+};
diff --git a/timing b/timing
new file mode 100644
index 0000000..66b00c4
--- /dev/null
+++ b/timing
Binary files differ
diff --git a/undos.sh b/undos.sh
new file mode 100755
index 0000000..db12064
--- /dev/null
+++ b/undos.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+#
+# usage: undos <file>
+#
+# strips CRs from a file - useful when moving DOS-created files
+# onto UN*X machines
+
+cat $1 | tr -d "\r" > $1.tmp
+mv $1.tmp $1
+
diff --git a/update.sh b/update.sh
new file mode 100755
index 0000000..595b647
--- /dev/null
+++ b/update.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+#
+# update.sh
+#
+# update copyright dates in files
+
+a=`find . -name "*.[ch]"`
+for x in $a; do
+ sed 's/(c) 2001-2005/(c) 2001-2006/' $x > $x.tmp;
+ mv $x.tmp $x;
+done
+
+
+
+
