Remove the MD5 implementation that was only used by toolbox.

I've already moved toolbox over to openssl.

Change-Id: Ia75fba5b5e3335a975b97787f653bf4df78e1b4e
diff --git a/libc/Android.mk b/libc/Android.mk
index 08c9ddd..509e35c 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -54,7 +54,6 @@
     bionic/initgroups.c \
     bionic/ioctl.c \
     bionic/isatty.c \
-    bionic/md5.c \
     bionic/memmem.c \
     bionic/pathconf.c \
     bionic/ptsname.c \
diff --git a/libc/bionic/md5.c b/libc/bionic/md5.c
deleted file mode 100644
index ba4aaed..0000000
--- a/libc/bionic/md5.c
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 
- * 2. 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.
- * 
- * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-
-__RCSID("$Heimdal: md5.c,v 1.15 2001/01/29 04:33:44 assar Exp $"
-        "$NetBSD: md5.c,v 1.1.1.4 2002/09/12 12:41:42 joda Exp $");
-#endif
-
-#include <endian.h>
-#include "md5.h"
-#include "hash.h"
-
-#define A m->counter[0]
-#define B m->counter[1]
-#define C m->counter[2]
-#define D m->counter[3]
-#define X data
-
-void
-MD5_Init (struct md5 *m)
-{
-  m->sz[0] = 0;
-  m->sz[1] = 0;
-  D = 0x10325476;
-  C = 0x98badcfe;
-  B = 0xefcdab89;
-  A = 0x67452301;
-}
-
-#define F(x,y,z) CRAYFIX((x & y) | (~x & z))
-#define G(x,y,z) CRAYFIX((x & z) | (y & ~z))
-#define H(x,y,z) (x ^ y ^ z)
-#define I(x,y,z) CRAYFIX(y ^ (x | ~z))
-
-#define DOIT(a,b,c,d,k,s,i,OP) \
-a = b + cshift(a + OP(b,c,d) + X[k] + (i), s)
-
-#define DO1(a,b,c,d,k,s,i) DOIT(a,b,c,d,k,s,i,F)
-#define DO2(a,b,c,d,k,s,i) DOIT(a,b,c,d,k,s,i,G)
-#define DO3(a,b,c,d,k,s,i) DOIT(a,b,c,d,k,s,i,H)
-#define DO4(a,b,c,d,k,s,i) DOIT(a,b,c,d,k,s,i,I)
-
-static inline void
-calc (struct md5 *m, u_int32_t *data)
-{
-  u_int32_t AA, BB, CC, DD;
-
-  AA = A;
-  BB = B;
-  CC = C;
-  DD = D;
-
-  /* Round 1 */
-
-  DO1(A,B,C,D,0,7,0xd76aa478);
-  DO1(D,A,B,C,1,12,0xe8c7b756);
-  DO1(C,D,A,B,2,17,0x242070db);
-  DO1(B,C,D,A,3,22,0xc1bdceee);
-
-  DO1(A,B,C,D,4,7,0xf57c0faf);
-  DO1(D,A,B,C,5,12,0x4787c62a);
-  DO1(C,D,A,B,6,17,0xa8304613);
-  DO1(B,C,D,A,7,22,0xfd469501);
-
-  DO1(A,B,C,D,8,7,0x698098d8);
-  DO1(D,A,B,C,9,12,0x8b44f7af);
-  DO1(C,D,A,B,10,17,0xffff5bb1);
-  DO1(B,C,D,A,11,22,0x895cd7be);
-
-  DO1(A,B,C,D,12,7,0x6b901122);
-  DO1(D,A,B,C,13,12,0xfd987193);
-  DO1(C,D,A,B,14,17,0xa679438e);
-  DO1(B,C,D,A,15,22,0x49b40821);
-
-  /* Round 2 */
-
-  DO2(A,B,C,D,1,5,0xf61e2562);
-  DO2(D,A,B,C,6,9,0xc040b340);
-  DO2(C,D,A,B,11,14,0x265e5a51);
-  DO2(B,C,D,A,0,20,0xe9b6c7aa);
-
-  DO2(A,B,C,D,5,5,0xd62f105d);
-  DO2(D,A,B,C,10,9,0x2441453);
-  DO2(C,D,A,B,15,14,0xd8a1e681);
-  DO2(B,C,D,A,4,20,0xe7d3fbc8);
-
-  DO2(A,B,C,D,9,5,0x21e1cde6);
-  DO2(D,A,B,C,14,9,0xc33707d6);
-  DO2(C,D,A,B,3,14,0xf4d50d87);
-  DO2(B,C,D,A,8,20,0x455a14ed);
-
-  DO2(A,B,C,D,13,5,0xa9e3e905);
-  DO2(D,A,B,C,2,9,0xfcefa3f8);
-  DO2(C,D,A,B,7,14,0x676f02d9);
-  DO2(B,C,D,A,12,20,0x8d2a4c8a);
-
-  /* Round 3 */
-
-  DO3(A,B,C,D,5,4,0xfffa3942);
-  DO3(D,A,B,C,8,11,0x8771f681);
-  DO3(C,D,A,B,11,16,0x6d9d6122);
-  DO3(B,C,D,A,14,23,0xfde5380c);
-
-  DO3(A,B,C,D,1,4,0xa4beea44);
-  DO3(D,A,B,C,4,11,0x4bdecfa9);
-  DO3(C,D,A,B,7,16,0xf6bb4b60);
-  DO3(B,C,D,A,10,23,0xbebfbc70);
-
-  DO3(A,B,C,D,13,4,0x289b7ec6);
-  DO3(D,A,B,C,0,11,0xeaa127fa);
-  DO3(C,D,A,B,3,16,0xd4ef3085);
-  DO3(B,C,D,A,6,23,0x4881d05);
-
-  DO3(A,B,C,D,9,4,0xd9d4d039);
-  DO3(D,A,B,C,12,11,0xe6db99e5);
-  DO3(C,D,A,B,15,16,0x1fa27cf8);
-  DO3(B,C,D,A,2,23,0xc4ac5665);
-
-  /* Round 4 */
-
-  DO4(A,B,C,D,0,6,0xf4292244);
-  DO4(D,A,B,C,7,10,0x432aff97);
-  DO4(C,D,A,B,14,15,0xab9423a7);
-  DO4(B,C,D,A,5,21,0xfc93a039);
-
-  DO4(A,B,C,D,12,6,0x655b59c3);
-  DO4(D,A,B,C,3,10,0x8f0ccc92);
-  DO4(C,D,A,B,10,15,0xffeff47d);
-  DO4(B,C,D,A,1,21,0x85845dd1);
-
-  DO4(A,B,C,D,8,6,0x6fa87e4f);
-  DO4(D,A,B,C,15,10,0xfe2ce6e0);
-  DO4(C,D,A,B,6,15,0xa3014314);
-  DO4(B,C,D,A,13,21,0x4e0811a1);
-
-  DO4(A,B,C,D,4,6,0xf7537e82);
-  DO4(D,A,B,C,11,10,0xbd3af235);
-  DO4(C,D,A,B,2,15,0x2ad7d2bb);
-  DO4(B,C,D,A,9,21,0xeb86d391);
-
-  A += AA;
-  B += BB;
-  C += CC;
-  D += DD;
-}
-
-/*
- * From `Performance analysis of MD5' by Joseph D. Touch <touch@isi.edu>
- */
-#if !defined(__BYTE_ORDER) || !defined (__BIG_ENDIAN)
-#error __BYTE_ORDER macros not defined
-#endif
-
-#if __BYTE_ORDER == __BIG_ENDIAN
-static inline u_int32_t
-swap_u_int32_t (u_int32_t t)
-{
-  u_int32_t temp1, temp2;
-
-  temp1   = cshift(t, 16);
-  temp2   = temp1 >> 8;
-  temp1  &= 0x00ff00ff;
-  temp2  &= 0x00ff00ff;
-  temp1 <<= 8;
-  return temp1 | temp2;
-}
-#endif
-
-struct x32{
-  unsigned int a:32;
-  unsigned int b:32;
-};
-
-void
-MD5_Update (struct md5 *m, const void *v, size_t len)
-{
-  const unsigned char *p = v;
-  size_t old_sz = m->sz[0];
-  size_t offset;
-
-  m->sz[0] += len * 8;
-  if (m->sz[0] < old_sz)
-      ++m->sz[1];
-  offset = (old_sz / 8)  % 64;
-  while(len > 0){
-    size_t l = min(len, 64 - offset);
-    memcpy(m->save + offset, p, l);
-    offset += l;
-    p += l;
-    len -= l;
-    if(offset == 64){
-#if __BYTE_ORDER == __BIG_ENDIAN
-      int i;
-      u_int32_t current[16];
-      struct x32 *u = (struct x32*)m->save;
-      for(i = 0; i < 8; i++){
-	current[2*i+0] = swap_u_int32_t(u[i].a);
-	current[2*i+1] = swap_u_int32_t(u[i].b);
-      }
-      calc(m, current);
-#else
-      calc(m, (u_int32_t*)m->save);
-#endif
-      offset = 0;
-    }
-  }
-}
-
-void
-MD5_Final (void *res, struct md5 *m)
-{
-  unsigned char zeros[72];
-  unsigned offset = (m->sz[0] / 8) % 64;
-  unsigned int dstart = (120 - offset - 1) % 64 + 1;
-
-  *zeros = 0x80;
-  memset (zeros + 1, 0, sizeof(zeros) - 1);
-  zeros[dstart+0] = (m->sz[0] >> 0) & 0xff;
-  zeros[dstart+1] = (m->sz[0] >> 8) & 0xff;
-  zeros[dstart+2] = (m->sz[0] >> 16) & 0xff;
-  zeros[dstart+3] = (m->sz[0] >> 24) & 0xff;
-  zeros[dstart+4] = (m->sz[1] >> 0) & 0xff;
-  zeros[dstart+5] = (m->sz[1] >> 8) & 0xff;
-  zeros[dstart+6] = (m->sz[1] >> 16) & 0xff;
-  zeros[dstart+7] = (m->sz[1] >> 24) & 0xff;
-  MD5_Update (m, zeros, dstart + 8);
-  {
-      int i;
-      unsigned char *r = (unsigned char *)res;
-
-      for (i = 0; i < 4; ++i) {
-	  r[4*i]   = m->counter[i] & 0xFF;
-	  r[4*i+1] = (m->counter[i] >> 8) & 0xFF;
-	  r[4*i+2] = (m->counter[i] >> 16) & 0xFF;
-	  r[4*i+3] = (m->counter[i] >> 24) & 0xFF;
-      }
-  }
-#if 0
-  {
-    int i;
-    u_int32_t *r = (u_int32_t *)res;
-
-    for (i = 0; i < 4; ++i)
-      r[i] = swap_u_int32_t (m->counter[i]);
-  }
-#endif
-}
diff --git a/libc/bionic/md5.h b/libc/bionic/md5.h
deleted file mode 100644
index a381994..0000000
--- a/libc/bionic/md5.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (c) 1995 - 2001 Kungliga Tekniska Högskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 
- * 2. 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.
- * 
- * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
- */
-
-/* $Heimdal: md5.h,v 1.8 2001/01/29 02:08:57 assar Exp $
-   $NetBSD: md5.h,v 1.1.1.4 2002/09/12 12:41:42 joda Exp $ */
-
-#include <stdlib.h>
-#include <sys/types.h>
-
-struct md5 {
-  unsigned int sz[2];
-  u_int32_t counter[4];
-  unsigned char save[64];
-};
-
-typedef struct md5 MD5_CTX;
-
-void MD5_Init (struct md5 *m);
-void MD5_Update (struct md5 *m, const void *p, size_t len);
-void MD5_Final (void *res, struct md5 *m); /* u_int32_t res[4] */