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/*
* 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, int nbytes);
/* Finish the message and return the digest. */
void md5_finish(md5_state_t *pms, md5_byte_t digest[16]);
/* Return an hex md5 of the given string */
char *md5_hex(const char *bytes, int nbytes);
#ifdef __cplusplus
} /* end extern "C" */
#endif
#endif /* md5_INCLUDED */
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