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Diffstat (limited to 'Modules/md5.h')
| -rw-r--r-- | Modules/md5.h | 123 |
1 files changed, 76 insertions, 47 deletions
diff --git a/Modules/md5.h b/Modules/md5.h index 13628df..5eb6d6c 100644 --- a/Modules/md5.h +++ b/Modules/md5.h @@ -1,62 +1,91 @@ -/* MD5.H - header file for MD5C.C - */ +/* + Copyright (C) 1999, 2002 Aladdin Enterprises. All rights reserved. -/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. 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. -License to copy and use this software is granted provided that it -is identified as the "RSA Data Security, Inc. MD5 Message-Digest -Algorithm" in all material mentioning or referencing this software -or this function. + 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: -License is also granted to make and use derivative works provided -that such works are identified as "derived from the RSA Data -Security, Inc. MD5 Message-Digest Algorithm" in all material -mentioning or referencing the derived work. + 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. -RSA Data Security, Inc. makes no representations concerning either -the merchantability of this software or the suitability of this -software for any particular purpose. It is provided "as is" -without express or implied warranty of any kind. + L. Peter Deutsch + ghost@aladdin.com -These notices must be retained in any copies of any part of this -documentation and/or software. */ +/* $Id$ */ +/* + 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): -/* ========== include global.h ========== */ -/* GLOBAL.H - RSAREF types and constants + 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. */ -/* POINTER defines a generic pointer type */ -typedef unsigned char *POINTER; - -/* UINT4 defines a four byte word */ -#if SIZEOF_LONG == 4 -typedef unsigned long int UINT4; -#elif SIZEOF_SHORT == 4 -typedef unsigned short int UINT4; -#elif INT_MAX == 2147483647 -typedef unsigned int UINT4; -#else -#error "Can't find a 4-byte integral type" +#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 -/* ========== End global.h; continue md5.h ========== */ +/* Initialize the algorithm. */ +void md5_init(md5_state_t *pms); -/* MD5 context. */ -typedef struct { - UINT4 state[4]; /* state (ABCD) */ - UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */ - unsigned char buffer[64]; /* input buffer */ -} MD5_CTX; +/* Append a string to the message. */ +void md5_append(md5_state_t *pms, const md5_byte_t *data, int nbytes); -/* Rename all exported symbols to avoid conflicts with similarly named - symbols in some systems' standard C libraries... */ +/* Finish the message and return the digest. */ +void md5_finish(md5_state_t *pms, md5_byte_t digest[16]); -#define MD5Init _Py_MD5Init -#define MD5Update _Py_MD5Update -#define MD5Final _Py_MD5Final +#ifdef __cplusplus +} /* end extern "C" */ +#endif -void MD5Init(MD5_CTX *); -void MD5Update(MD5_CTX *, unsigned char *, unsigned int); -void MD5Final(unsigned char [16], MD5_CTX *); +#endif /* md5_INCLUDED */ |