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 c->A=INIT_DATA_A; 76 c->B=INIT_DATA_B; 77 c->C=INIT_DATA_C; 78 c->D=INIT_DATA_D; 79 c->Nl=0; 80 c->Nh=0; 81 c->num=0; 82 return 1; 83 } 84 85#ifndef md4_block_host_order 86void md4_block_host_order (MD4_CTX *c, const void *data, size_t num) 87 { 88 const MD4_LONG *X=data; 89 register unsigned MD32_REG_T A,B,C,D; 90 91 A=c->A; 92 B=c->B; 93 C=c->C; 94 D=c->D; 95 96 for (;num--;X+=HASH_LBLOCK) 97 { 98 /* Round 0 */ 99 R0(A,B,C,D,X[ 0], 3,0); 100 R0(D,A,B,C,X[ 1], 7,0); 101 R0(C,D,A,B,X[ 2],11,0); 102 R0(B,C,D,A,X[ 3],19,0); 103 R0(A,B,C,D,X[ 4], 3,0); 104 R0(D,A,B,C,X[ 5], 7,0); 105 R0(C,D,A,B,X[ 6],11,0); 106 R0(B,C,D,A,X[ 7],19,0); 107 R0(A,B,C,D,X[ 8], 3,0); 108 R0(D,A,B,C,X[ 9], 7,0); 109 R0(C,D,A,B,X[10],11,0); 110 R0(B,C,D,A,X[11],19,0); 111 R0(A,B,C,D,X[12], 3,0); 112 R0(D,A,B,C,X[13], 7,0); 113 R0(C,D,A,B,X[14],11,0); 114 R0(B,C,D,A,X[15],19,0); 115 /* Round 1 */ 116 R1(A,B,C,D,X[ 0], 3,0x5A827999L); 117 R1(D,A,B,C,X[ 4], 5,0x5A827999L); 118 R1(C,D,A,B,X[ 8], 9,0x5A827999L); 119 R1(B,C,D,A,X[12],13,0x5A827999L); 120 R1(A,B,C,D,X[ 1], 3,0x5A827999L); 121 R1(D,A,B,C,X[ 5], 5,0x5A827999L); 122 R1(C,D,A,B,X[ 9], 9,0x5A827999L); 123 R1(B,C,D,A,X[13],13,0x5A827999L); 124 R1(A,B,C,D,X[ 2], 3,0x5A827999L); 125 R1(D,A,B,C,X[ 6], 5,0x5A827999L); 126 R1(C,D,A,B,X[10], 9,0x5A827999L); 127 R1(B,C,D,A,X[14],13,0x5A827999L); 128 R1(A,B,C,D,X[ 3], 3,0x5A827999L); 129 R1(D,A,B,C,X[ 7], 5,0x5A827999L); 130 R1(C,D,A,B,X[11], 9,0x5A827999L); 131 R1(B,C,D,A,X[15],13,0x5A827999L); 132 /* Round 2 */ 133 R2(A,B,C,D,X[ 0], 3,0x6ED9EBA1); 134 R2(D,A,B,C,X[ 8], 9,0x6ED9EBA1); 135 R2(C,D,A,B,X[ 4],11,0x6ED9EBA1); 136 R2(B,C,D,A,X[12],15,0x6ED9EBA1); 137 R2(A,B,C,D,X[ 2], 3,0x6ED9EBA1); 138 R2(D,A,B,C,X[10], 9,0x6ED9EBA1); 139 R2(C,D,A,B,X[ 6],11,0x6ED9EBA1); 140 R2(B,C,D,A,X[14],15,0x6ED9EBA1); 141 R2(A,B,C,D,X[ 1], 3,0x6ED9EBA1); 142 R2(D,A,B,C,X[ 9], 9,0x6ED9EBA1); 143 R2(C,D,A,B,X[ 5],11,0x6ED9EBA1); 144 R2(B,C,D,A,X[13],15,0x6ED9EBA1); 145 R2(A,B,C,D,X[ 3], 3,0x6ED9EBA1); 146 R2(D,A,B,C,X[11], 9,0x6ED9EBA1); 147 R2(C,D,A,B,X[ 7],11,0x6ED9EBA1); 148 R2(B,C,D,A,X[15],15,0x6ED9EBA1); 149 150 A = c->A += A; 151 B = c->B += B; 152 C = c->C += C; 153 D = c->D += D; 154 } 155 } 156#endif 157 158#ifndef md4_block_data_order 159#ifdef X 160#undef X 161#endif 162void md4_block_data_order (MD4_CTX *c, const void *data_, size_t num) 163 { 164 const unsigned char *data=data_; 165 register unsigned MD32_REG_T A,B,C,D,l; 166#ifndef MD32_XARRAY 167 /* See comment in crypto/sha/sha_locl.h for details. */ 168 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, 169 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; 170# define X(i) XX##i 171#else 172 MD4_LONG XX[MD4_LBLOCK]; 173# define X(i) XX[i] 174#endif 175 176 A=c->A; 177 B=c->B; 178 C=c->C; 179 D=c->D; 180 181 for (;num--;) 182 { 183 HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l; 184 /* Round 0 */ 185 R0(A,B,C,D,X( 0), 3,0); HOST_c2l(data,l); X( 2)=l; 186 R0(D,A,B,C,X( 1), 7,0); HOST_c2l(data,l); X( 3)=l; 187 R0(C,D,A,B,X( 2),11,0); HOST_c2l(data,l); X( 4)=l; 188 R0(B,C,D,A,X( 3),19,0); HOST_c2l(data,l); X( 5)=l; 189 R0(A,B,C,D,X( 4), 3,0); HOST_c2l(data,l); X( 6)=l; 190 R0(D,A,B,C,X( 5), 7,0); HOST_c2l(data,l); X( 7)=l; 191 R0(C,D,A,B,X( 6),11,0); HOST_c2l(data,l); X( 8)=l; 192 R0(B,C,D,A,X( 7),19,0); HOST_c2l(data,l); X( 9)=l; 193 R0(A,B,C,D,X( 8), 3,0); HOST_c2l(data,l); X(10)=l; 194 R0(D,A,B,C,X( 9), 7,0); HOST_c2l(data,l); X(11)=l; 195 R0(C,D,A,B,X(10),11,0); HOST_c2l(data,l); X(12)=l; 196 R0(B,C,D,A,X(11),19,0); HOST_c2l(data,l); X(13)=l; 197 R0(A,B,C,D,X(12), 3,0); HOST_c2l(data,l); X(14)=l; 198 R0(D,A,B,C,X(13), 7,0); HOST_c2l(data,l); X(15)=l; 199 R0(C,D,A,B,X(14),11,0); 200 R0(B,C,D,A,X(15),19,0); 201 /* Round 1 */ 202 R1(A,B,C,D,X( 0), 3,0x5A827999L); 203 R1(D,A,B,C,X( 4), 5,0x5A827999L); 204 R1(C,D,A,B,X( 8), 9,0x5A827999L); 205 R1(B,C,D,A,X(12),13,0x5A827999L); 206 R1(A,B,C,D,X( 1), 3,0x5A827999L); 207 R1(D,A,B,C,X( 5), 5,0x5A827999L); 208 R1(C,D,A,B,X( 9), 9,0x5A827999L); 209 R1(B,C,D,A,X(13),13,0x5A827999L); 210 R1(A,B,C,D,X( 2), 3,0x5A827999L); 211 R1(D,A,B,C,X( 6), 5,0x5A827999L); 212 R1(C,D,A,B,X(10), 9,0x5A827999L); 213 R1(B,C,D,A,X(14),13,0x5A827999L); 214 R1(A,B,C,D,X( 3), 3,0x5A827999L); 215 R1(D,A,B,C,X( 7), 5,0x5A827999L); 216 R1(C,D,A,B,X(11), 9,0x5A827999L); 217 R1(B,C,D,A,X(15),13,0x5A827999L); 218 /* Round 2 */ 219 R2(A,B,C,D,X( 0), 3,0x6ED9EBA1L); 220 R2(D,A,B,C,X( 8), 9,0x6ED9EBA1L); 221 R2(C,D,A,B,X( 4),11,0x6ED9EBA1L); 222 R2(B,C,D,A,X(12),15,0x6ED9EBA1L); 223 R2(A,B,C,D,X( 2), 3,0x6ED9EBA1L); 224 R2(D,A,B,C,X(10), 9,0x6ED9EBA1L); 225 R2(C,D,A,B,X( 6),11,0x6ED9EBA1L); 226 R2(B,C,D,A,X(14),15,0x6ED9EBA1L); 227 R2(A,B,C,D,X( 1), 3,0x6ED9EBA1L); 228 R2(D,A,B,C,X( 9), 9,0x6ED9EBA1L); 229 R2(C,D,A,B,X( 5),11,0x6ED9EBA1L); 230 R2(B,C,D,A,X(13),15,0x6ED9EBA1L); 231 R2(A,B,C,D,X( 3), 3,0x6ED9EBA1L); 232 R2(D,A,B,C,X(11), 9,0x6ED9EBA1L); 233 R2(C,D,A,B,X( 7),11,0x6ED9EBA1L); 234 R2(B,C,D,A,X(15),15,0x6ED9EBA1L); 235 236 A = c->A += A; 237 B = c->B += B; 238 C = c->C += C; 239 D = c->D += D; 240 } 241 } 242#endif 243 244#ifdef undef 245int printit(unsigned long *l) 246 { 247 int i,ii; 248 249 for (i=0; i<2; i++) 250 { 251 for (ii=0; ii<8; ii++) 252 { 253 fprintf(stderr,"%08lx ",l[i*8+ii]); 254 } 255 fprintf(stderr,"\n"); 256 } 257 } 258#endif 259