md4_dgst.c revision 221304ee937bc0910948a8be1320cb8cc4eb6d36
1/* crypto/md4/md4_dgst.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59#include <stdio.h> 60#include "md4_locl.h" 61#include <openssl/opensslv.h> 62 63const char MD4_version[]="MD4" OPENSSL_VERSION_PTEXT; 64 65/* Implemented from RFC1186 The MD4 Message-Digest Algorithm 66 */ 67 68#define INIT_DATA_A (unsigned long)0x67452301L 69#define INIT_DATA_B (unsigned long)0xefcdab89L 70#define INIT_DATA_C (unsigned long)0x98badcfeL 71#define INIT_DATA_D (unsigned long)0x10325476L 72 73int MD4_Init(MD4_CTX *c) 74 { 75 memset (c,0,sizeof(*c)); 76 c->A=INIT_DATA_A; 77 c->B=INIT_DATA_B; 78 c->C=INIT_DATA_C; 79 c->D=INIT_DATA_D; 80 return 1; 81 } 82 83#ifndef md4_block_data_order 84#ifdef X 85#undef X 86#endif 87void md4_block_data_order (MD4_CTX *c, const void *data_, size_t num) 88 { 89 const unsigned char *data=data_; 90 register unsigned MD32_REG_T A,B,C,D,l; 91#ifndef MD32_XARRAY 92 /* See comment in crypto/sha/sha_locl.h for details. */ 93 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, 94 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; 95# define X(i) XX##i 96#else 97 MD4_LONG XX[MD4_LBLOCK]; 98# define X(i) XX[i] 99#endif 100 101 A=c->A; 102 B=c->B; 103 C=c->C; 104 D=c->D; 105 106 for (;num--;) 107 { 108 HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l; 109 /* Round 0 */ 110 R0(A,B,C,D,X( 0), 3,0); HOST_c2l(data,l); X( 2)=l; 111 R0(D,A,B,C,X( 1), 7,0); HOST_c2l(data,l); X( 3)=l; 112 R0(C,D,A,B,X( 2),11,0); HOST_c2l(data,l); X( 4)=l; 113 R0(B,C,D,A,X( 3),19,0); HOST_c2l(data,l); X( 5)=l; 114 R0(A,B,C,D,X( 4), 3,0); HOST_c2l(data,l); X( 6)=l; 115 R0(D,A,B,C,X( 5), 7,0); HOST_c2l(data,l); X( 7)=l; 116 R0(C,D,A,B,X( 6),11,0); HOST_c2l(data,l); X( 8)=l; 117 R0(B,C,D,A,X( 7),19,0); HOST_c2l(data,l); X( 9)=l; 118 R0(A,B,C,D,X( 8), 3,0); HOST_c2l(data,l); X(10)=l; 119 R0(D,A,B,C,X( 9), 7,0); HOST_c2l(data,l); X(11)=l; 120 R0(C,D,A,B,X(10),11,0); HOST_c2l(data,l); X(12)=l; 121 R0(B,C,D,A,X(11),19,0); HOST_c2l(data,l); X(13)=l; 122 R0(A,B,C,D,X(12), 3,0); HOST_c2l(data,l); X(14)=l; 123 R0(D,A,B,C,X(13), 7,0); HOST_c2l(data,l); X(15)=l; 124 R0(C,D,A,B,X(14),11,0); 125 R0(B,C,D,A,X(15),19,0); 126 /* Round 1 */ 127 R1(A,B,C,D,X( 0), 3,0x5A827999L); 128 R1(D,A,B,C,X( 4), 5,0x5A827999L); 129 R1(C,D,A,B,X( 8), 9,0x5A827999L); 130 R1(B,C,D,A,X(12),13,0x5A827999L); 131 R1(A,B,C,D,X( 1), 3,0x5A827999L); 132 R1(D,A,B,C,X( 5), 5,0x5A827999L); 133 R1(C,D,A,B,X( 9), 9,0x5A827999L); 134 R1(B,C,D,A,X(13),13,0x5A827999L); 135 R1(A,B,C,D,X( 2), 3,0x5A827999L); 136 R1(D,A,B,C,X( 6), 5,0x5A827999L); 137 R1(C,D,A,B,X(10), 9,0x5A827999L); 138 R1(B,C,D,A,X(14),13,0x5A827999L); 139 R1(A,B,C,D,X( 3), 3,0x5A827999L); 140 R1(D,A,B,C,X( 7), 5,0x5A827999L); 141 R1(C,D,A,B,X(11), 9,0x5A827999L); 142 R1(B,C,D,A,X(15),13,0x5A827999L); 143 /* Round 2 */ 144 R2(A,B,C,D,X( 0), 3,0x6ED9EBA1L); 145 R2(D,A,B,C,X( 8), 9,0x6ED9EBA1L); 146 R2(C,D,A,B,X( 4),11,0x6ED9EBA1L); 147 R2(B,C,D,A,X(12),15,0x6ED9EBA1L); 148 R2(A,B,C,D,X( 2), 3,0x6ED9EBA1L); 149 R2(D,A,B,C,X(10), 9,0x6ED9EBA1L); 150 R2(C,D,A,B,X( 6),11,0x6ED9EBA1L); 151 R2(B,C,D,A,X(14),15,0x6ED9EBA1L); 152 R2(A,B,C,D,X( 1), 3,0x6ED9EBA1L); 153 R2(D,A,B,C,X( 9), 9,0x6ED9EBA1L); 154 R2(C,D,A,B,X( 5),11,0x6ED9EBA1L); 155 R2(B,C,D,A,X(13),15,0x6ED9EBA1L); 156 R2(A,B,C,D,X( 3), 3,0x6ED9EBA1L); 157 R2(D,A,B,C,X(11), 9,0x6ED9EBA1L); 158 R2(C,D,A,B,X( 7),11,0x6ED9EBA1L); 159 R2(B,C,D,A,X(15),15,0x6ED9EBA1L); 160 161 A = c->A += A; 162 B = c->B += B; 163 C = c->C += C; 164 D = c->D += D; 165 } 166 } 167#endif 168