1*41edb306SCy Schubert 2*41edb306SCy Schubert /* 3*41edb306SCy Schubert *********************************************************************** 4*41edb306SCy Schubert ** md5.h -- header file for implementation of MD5 ** 5*41edb306SCy Schubert ** RSA Data Security, Inc. MD5 Message-Digest Algorithm ** 6*41edb306SCy Schubert ** Created: 2/17/90 RLR ** 7*41edb306SCy Schubert ** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version ** 8*41edb306SCy Schubert ** Revised (for MD5): RLR 4/27/91 ** 9*41edb306SCy Schubert ** -- G modified to have y&~z instead of y&z ** 10*41edb306SCy Schubert ** -- FF, GG, HH modified to add in last register done ** 11*41edb306SCy Schubert ** -- Access pattern: round 2 works mod 5, round 3 works mod 3 ** 12*41edb306SCy Schubert ** -- distinct additive constant for each step ** 13*41edb306SCy Schubert ** -- round 4 added, working mod 7 ** 14*41edb306SCy Schubert *********************************************************************** 15*41edb306SCy Schubert */ 16*41edb306SCy Schubert 17*41edb306SCy Schubert /* 18*41edb306SCy Schubert *********************************************************************** 19*41edb306SCy Schubert ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. ** 20*41edb306SCy Schubert ** ** 21*41edb306SCy Schubert ** License to copy and use this software is granted provided that ** 22*41edb306SCy Schubert ** it is identified as the "RSA Data Security, Inc. MD5 Message- ** 23*41edb306SCy Schubert ** Digest Algorithm" in all material mentioning or referencing this ** 24*41edb306SCy Schubert ** software or this function. ** 25*41edb306SCy Schubert ** ** 26*41edb306SCy Schubert ** License is also granted to make and use derivative works ** 27*41edb306SCy Schubert ** provided that such works are identified as "derived from the RSA ** 28*41edb306SCy Schubert ** Data Security, Inc. MD5 Message-Digest Algorithm" in all ** 29*41edb306SCy Schubert ** material mentioning or referencing the derived work. ** 30*41edb306SCy Schubert ** ** 31*41edb306SCy Schubert ** RSA Data Security, Inc. makes no representations concerning ** 32*41edb306SCy Schubert ** either the merchantability of this software or the suitability ** 33*41edb306SCy Schubert ** of this software for any particular purpose. It is provided "as ** 34*41edb306SCy Schubert ** is" without express or implied warranty of any kind. ** 35*41edb306SCy Schubert ** ** 36*41edb306SCy Schubert ** These notices must be retained in any copies of any part of this ** 37*41edb306SCy Schubert ** documentation and/or software. ** 38*41edb306SCy Schubert *********************************************************************** 39*41edb306SCy Schubert */ 40*41edb306SCy Schubert 41*41edb306SCy Schubert #if !defined(__MD5_INCLUDE__) && !defined(_SYS_MD5_H) 42*41edb306SCy Schubert 43*41edb306SCy Schubert #ifndef __P 44*41edb306SCy Schubert # define __P(x) x 45*41edb306SCy Schubert #endif 46*41edb306SCy Schubert 47*41edb306SCy Schubert /* typedef a 32-bit type */ 48*41edb306SCy Schubert typedef unsigned int UINT4; 49*41edb306SCy Schubert 50*41edb306SCy Schubert /* Data structure for MD5 (Message-Digest) computation */ 51*41edb306SCy Schubert typedef struct { 52*41edb306SCy Schubert UINT4 i[2]; /* number of _bits_ handled mod 2^64 */ 53*41edb306SCy Schubert UINT4 buf[4]; /* scratch buffer */ 54*41edb306SCy Schubert unsigned char in[64]; /* input buffer */ 55*41edb306SCy Schubert unsigned char digest[16]; /* actual digest after MD5Final call */ 56*41edb306SCy Schubert } MD5_CTX; 57*41edb306SCy Schubert 58*41edb306SCy Schubert extern void MD5Init(MD5_CTX *); 59*41edb306SCy Schubert extern void MD5Update(MD5_CTX *, unsigned char *, unsigned int); 60*41edb306SCy Schubert extern void MD5Final(unsigned char *, MD5_CTX *); 61*41edb306SCy Schubert 62*41edb306SCy Schubert #define __MD5_INCLUDE__ 63*41edb306SCy Schubert #endif /* __MD5_INCLUDE__ */ 64