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