1#ifndef MD5_H 2#define MD5_H 3 4/* 5 *********************************************************************** 6 ** md5.h -- header file for implementation of MD5 ** 7 ** RSA Data Security, Inc. MD5 Message-Digest Algorithm ** 8 ** Created: 2/17/90 RLR ** 9 ** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version ** 10 ** Revised (for MD5): RLR 4/27/91 ** 11 ** -- G modified to have y&~z instead of y&z ** 12 ** -- FF, GG, HH modified to add in last register done ** 13 ** -- Access pattern: round 2 works mod 5, round 3 works mod 3 ** 14 ** -- distinct additive constant for each step ** 15 ** -- round 4 added, working mod 7 ** 16 *********************************************************************** 17 */ 18 19/* 20 * Edited 7 May 93 by CP to change the interface to match that 21 * of the MD5 routines in RSAREF. Due to this alteration, this 22 * code is "derived from the RSA Data Security, Inc. MD5 Message- 23 * Digest Algorithm". (See below.) Also added argument names 24 * to the prototypes. 25 */ 26 27/* 28 *********************************************************************** 29 ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. ** 30 ** ** 31 ** License to copy and use this software is granted provided that ** 32 ** it is identified as the "RSA Data Security, Inc. MD5 Message- ** 33 ** Digest Algorithm" in all material mentioning or referencing this ** 34 ** software or this function. ** 35 ** ** 36 ** License is also granted to make and use derivative works ** 37 ** provided that such works are identified as "derived from the RSA ** 38 ** Data Security, Inc. MD5 Message-Digest Algorithm" in all ** 39 ** material mentioning or referencing the derived work. ** 40 ** ** 41 ** RSA Data Security, Inc. makes no representations concerning ** 42 ** either the merchantability of this software or the suitability ** 43 ** of this software for any particular purpose. It is provided "as ** 44 ** is" without express or implied warranty of any kind. ** 45 ** ** 46 ** These notices must be retained in any copies of any part of this ** 47 ** documentation and/or software. ** 48 *********************************************************************** 49 */ 50 51/* typedef a 32-bit type */ 52typedef unsigned int UINT4; 53 54/* Data structure for MD5 (Message-Digest) computation */ 55typedef struct { 56 UINT4 buf[4]; /* scratch buffer */ 57 UINT4 i[2]; /* number of _bits_ handled mod 2^64 */ 58 unsigned char in[64]; /* input buffer */ 59} MD5_CTX; 60 61void MD5Init (MD5_CTX *mdContext); 62void MD5Update (MD5_CTX *mdContext, unsigned char *buf, unsigned int len); 63void MD5Final (unsigned char digest[16], MD5_CTX *mdContext); 64void Transform (UINT4 *buf, UINT4 *in); 65 66#endif 67