1 /* $FreeBSD$ */ 2 3 /* 4 *********************************************************************** 5 ** md5.h -- header file for implementation of MD5 ** 6 ** RSA Data Security, Inc. MD5 Message-Digest Algorithm ** 7 ** Created: 2/17/90 RLR ** 8 ** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version ** 9 ** Revised (for MD5): RLR 4/27/91 ** 10 ** -- G modified to have y&~z instead of y&z ** 11 ** -- FF, GG, HH modified to add in last register done ** 12 ** -- Access pattern: round 2 works mod 5, round 3 works mod 3 ** 13 ** -- distinct additive constant for each step ** 14 ** -- round 4 added, working mod 7 ** 15 *********************************************************************** 16 */ 17 18 /* 19 *********************************************************************** 20 ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. ** 21 ** ** 22 ** License to copy and use this software is granted provided that ** 23 ** it is identified as the "RSA Data Security, Inc. MD5 Message- ** 24 ** Digest Algorithm" in all material mentioning or referencing this ** 25 ** software or this function. ** 26 ** ** 27 ** License is also granted to make and use derivative works ** 28 ** provided that such works are identified as "derived from the RSA ** 29 ** Data Security, Inc. MD5 Message-Digest Algorithm" in all ** 30 ** material mentioning or referencing the derived work. ** 31 ** ** 32 ** RSA Data Security, Inc. makes no representations concerning ** 33 ** either the merchantability of this software or the suitability ** 34 ** of this software for any particular purpose. It is provided "as ** 35 ** is" without express or implied warranty of any kind. ** 36 ** ** 37 ** These notices must be retained in any copies of any part of this ** 38 ** documentation and/or software. ** 39 *********************************************************************** 40 */ 41 42 #if !defined(__MD5_INCLUDE__) && !defined(_SYS_MD5_H) 43 44 #ifndef __P 45 # define __P(x) x 46 #endif 47 48 /* typedef a 32-bit type */ 49 typedef unsigned int UINT4; 50 51 /* Data structure for MD5 (Message-Digest) computation */ 52 typedef struct { 53 UINT4 i[2]; /* number of _bits_ handled mod 2^64 */ 54 UINT4 buf[4]; /* scratch buffer */ 55 unsigned char in[64]; /* input buffer */ 56 unsigned char digest[16]; /* actual digest after MD5Final call */ 57 } MD5_CTX; 58 59 extern void MD5Init(MD5_CTX *); 60 extern void MD5Update(MD5_CTX *, unsigned char *, unsigned int); 61 extern void MD5Final(unsigned char *, MD5_CTX *); 62 63 #define __MD5_INCLUDE__ 64 #endif /* __MD5_INCLUDE__ */ 65