1 /* 2 * Calculate MD5 hashes. 3 * 4 */ 5 6 #ifndef __MD5_INCLUDE__ 7 /* 8 *********************************************************************** 9 ** md5.h -- header file for implementation of MD5 ** 10 ** RSA Data Security, Inc. MD5 Message-Digest Algorithm ** 11 ** Created: 2/17/90 RLR ** 12 ** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version ** 13 ** Revised (for MD5): RLR 4/27/91 ** 14 ** -- G modified to have y&~z instead of y&z ** 15 ** -- FF, GG, HH modified to add in last register done ** 16 ** -- Access pattern: round 2 works mod 5, round 3 works mod 3 ** 17 ** -- distinct additive constant for each step ** 18 ** -- round 4 added, working mod 7 ** 19 *********************************************************************** 20 */ 21 22 /* 23 *********************************************************************** 24 ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. ** 25 ** ** 26 ** License to copy and use this software is granted provided that ** 27 ** it is identified as the "RSA Data Security, Inc. MD5 Message- ** 28 ** Digest Algorithm" in all material mentioning or referencing this ** 29 ** software or this function. ** 30 ** ** 31 ** License is also granted to make and use derivative works ** 32 ** provided that such works are identified as "derived from the RSA ** 33 ** Data Security, Inc. MD5 Message-Digest Algorithm" in all ** 34 ** material mentioning or referencing the derived work. ** 35 ** ** 36 ** RSA Data Security, Inc. makes no representations concerning ** 37 ** either the merchantability of this software or the suitability ** 38 ** of this software for any particular purpose. It is provided "as ** 39 ** is" without express or implied warranty of any kind. ** 40 ** ** 41 ** These notices must be retained in any copies of any part of this ** 42 ** documentation and/or software. ** 43 *********************************************************************** 44 */ 45 46 47 #ifdef __cplusplus 48 extern "C" { 49 #endif 50 51 /* typedef a 32-bit type */ 52 typedef unsigned int UINT4; 53 54 /* Data structure for MD5 (Message-Digest) computation */ 55 typedef struct { 56 UINT4 i[2]; /* number of _bits_ handled mod 2^64 */ 57 UINT4 buf[4]; /* scratch buffer */ 58 unsigned char in[64]; /* input buffer */ 59 unsigned char digest[16]; /* actual digest after MD5Final call */ 60 } MD5_CTX; 61 62 void MD5Init (); 63 void MD5Update (); 64 void MD5Final (); 65 unsigned char * MD5File(const char *fname); 66 67 #ifdef __cplusplus 68 } 69 #endif 70 71 #define __MD5_INCLUDE__ 72 #endif /* __MD5_INCLUDE__ */ 73