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md5.h
00001 /* 00002 *********************************************************************** 00003 ** md5.h -- header file for implementation of MD5 ** 00004 ** RSA Data Security, Inc. MD5 Message-Digest Algorithm ** 00005 ** Created: 2/17/90 RLR ** 00006 ** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version ** 00007 ** Revised (for MD5): RLR 4/27/91 ** 00008 ** -- G modified to have y&~z instead of y&z ** 00009 ** -- FF, GG, HH modified to add in last register done ** 00010 ** -- Access pattern: round 2 works mod 5, round 3 works mod 3 ** 00011 ** -- distinct additive constant for each step ** 00012 ** -- round 4 added, working mod 7 ** 00013 *********************************************************************** 00014 */ 00015 00016 /* 00017 *********************************************************************** 00018 ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. ** 00019 ** ** 00020 ** License to copy and use this software is granted provided that ** 00021 ** it is identified as the "RSA Data Security, Inc. MD5 Message- ** 00022 ** Digest Algorithm" in all material mentioning or referencing this ** 00023 ** software or this function. ** 00024 ** ** 00025 ** License is also granted to make and use derivative works ** 00026 ** provided that such works are identified as "derived from the RSA ** 00027 ** Data Security, Inc. MD5 Message-Digest Algorithm" in all ** 00028 ** material mentioning or referencing the derived work. ** 00029 ** ** 00030 ** RSA Data Security, Inc. makes no representations concerning ** 00031 ** either the merchantability of this software or the suitability ** 00032 ** of this software for any particular purpose. It is provided "as ** 00033 ** is" without express or implied warranty of any kind. ** 00034 ** ** 00035 ** These notices must be retained in any copies of any part of this ** 00036 ** documentation and/or software. ** 00037 *********************************************************************** 00038 */ 00039 00040 #ifndef MD5_H 00041 #define MD5_H 00042 00043 /* Data structure for MD5 (Message-Digest) computation */ 00044 typedef struct { 00045 u32_t i[2]; /* number of _bits_ handled mod 2^64 */ 00046 u32_t buf[4]; /* scratch buffer */ 00047 unsigned char in[64]; /* input buffer */ 00048 unsigned char digest[16]; /* actual digest after MD5Final call */ 00049 } MD5_CTX; 00050 00051 void MD5Init ( MD5_CTX *mdContext); 00052 void MD5Update( MD5_CTX *mdContext, unsigned char *inBuf, unsigned int inLen); 00053 void MD5Final ( unsigned char hash[], MD5_CTX *mdContext); 00054 00055 #endif /* MD5_H */
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