/* | |
Copyright (C) 1999, 2002 Aladdin Enterprises. All rights reserved. | |
This software is provided 'as-is', without any express or implied | |
warranty. In no event will the authors be held liable for any damages | |
arising from the use of this software. | |
Permission is granted to anyone to use this software for any purpose, | |
including commercial applications, and to alter it and redistribute it | |
freely, subject to the following restrictions: | |
1. The origin of this software must not be misrepresented; you must not | |
claim that you wrote the original software. If you use this software | |
in a product, an acknowledgment in the product documentation would be | |
appreciated but is not required. | |
2. Altered source versions must be plainly marked as such, and must not be | |
misrepresented as being the original software. | |
3. This notice may not be removed or altered from any source distribution. | |
L. Peter Deutsch | |
ghost@aladdin.com | |
*/ | |
/* $Id$ */ | |
/* | |
Independent implementation of MD5 (RFC 1321). | |
This code implements the MD5 Algorithm defined in RFC 1321, whose | |
text is available at | |
http://www.ietf.org/rfc/rfc1321.txt | |
The code is derived from the text of the RFC, including the test suite | |
(section A.5) but excluding the rest of Appendix A. It does not include | |
any code or documentation that is identified in the RFC as being | |
copyrighted. | |
The original and principal author of md5.h is L. Peter Deutsch | |
<ghost@aladdin.com>. Other authors are noted in the change history | |
that follows (in reverse chronological order): | |
2002-04-13 lpd Removed support for non-ANSI compilers; removed | |
references to Ghostscript; clarified derivation from RFC 1321; | |
now handles byte order either statically or dynamically. | |
1999-11-04 lpd Edited comments slightly for automatic TOC extraction. | |
1999-10-18 lpd Fixed typo in header comment (ansi2knr rather than md5); | |
added conditionalization for C++ compilation from Martin | |
Purschke <purschke@bnl.gov>. | |
1999-05-03 lpd Original version. | |
*/ | |
#ifndef md5_INCLUDED | |
# define md5_INCLUDED | |
/* | |
* This package supports both compile-time and run-time determination of CPU | |
* byte order. If ARCH_IS_BIG_ENDIAN is defined as 0, the code will be | |
* compiled to run only on little-endian CPUs; if ARCH_IS_BIG_ENDIAN is | |
* defined as non-zero, the code will be compiled to run only on big-endian | |
* CPUs; if ARCH_IS_BIG_ENDIAN is not defined, the code will be compiled to | |
* run on either big- or little-endian CPUs, but will run slightly less | |
* efficiently on either one than if ARCH_IS_BIG_ENDIAN is defined. | |
*/ | |
typedef unsigned char md5_byte_t; /* 8-bit byte */ | |
typedef unsigned int md5_word_t; /* 32-bit word */ | |
/* Define the state of the MD5 Algorithm. */ | |
typedef struct md5_state_s { | |
md5_word_t count[2]; /* message length in bits, lsw first */ | |
md5_word_t abcd[4]; /* digest buffer */ | |
md5_byte_t buf[64]; /* accumulate block */ | |
} md5_state_t; | |
#ifdef __cplusplus | |
extern "C" | |
{ | |
#endif | |
/* Initialize the algorithm. */ | |
void md5_init(md5_state_t *pms); | |
/* Append a string to the message. */ | |
void md5_append(md5_state_t *pms, const md5_byte_t *data, unsigned int nbytes); | |
/* Finish the message and return the digest. */ | |
void md5_finish(md5_state_t *pms, md5_byte_t digest[16]); | |
#ifdef __cplusplus | |
} /* end extern "C" */ | |
#endif | |
#endif /* md5_INCLUDED */ |