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# ifdef __STDC__ 46# define __P(x) x 47# else 48# define __P(x) () 49# endif 50#endif 51#ifndef __STDC__ 52# undef const 53# define const 54#endif 55 56/* typedef a 32-bit type */ 57typedef unsigned int UINT4; 58 59/* Data structure for MD5 (Message-Digest) computation */ 60typedef struct { 61 UINT4 i[2]; /* number of _bits_ handled mod 2^64 */ 62 UINT4 buf[4]; /* scratch buffer */ 63 unsigned char in[64]; /* input buffer */ 64 unsigned char digest[16]; /* actual digest after MD5Final call */ 65} MD5_CTX; 66 67extern void MD5Init __P((MD5_CTX *)); 68extern void MD5Update __P((MD5_CTX *, unsigned char *, unsigned int)); 69extern void MD5Final __P((unsigned char *, MD5_CTX *)); 70 71#define __MD5_INCLUDE__ 72#endif /* __MD5_INCLUDE__ */ 73