crypto/md5/md5_dgst.c

   1 /* crypto/md5/md5_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 "md5_locl.h"
  61 #include <openssl/opensslv.h>
  62
  63 const char *MD5_version="MD5" OPENSSL_VERSION_PTEXT;
  64
  65 /* Implemented from RFC1321 The MD5 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
  73 int MD5_Init(MD5_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 md5_block_host_order
  86 void md5_block_host_order (MD5_CTX *c, const void *data, int num)
  87         {
  88         const MD5_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], 7,0xd76aa478L);
 100         R0(D,A,B,C,X[ 1],12,0xe8c7b756L);
 101         R0(C,D,A,B,X[ 2],17,0x242070dbL);
 102         R0(B,C,D,A,X[ 3],22,0xc1bdceeeL);
 103         R0(A,B,C,D,X[ 4], 7,0xf57c0fafL);
 104         R0(D,A,B,C,X[ 5],12,0x4787c62aL);
 105         R0(C,D,A,B,X[ 6],17,0xa8304613L);
 106         R0(B,C,D,A,X[ 7],22,0xfd469501L);
 107         R0(A,B,C,D,X[ 8], 7,0x698098d8L);
 108         R0(D,A,B,C,X[ 9],12,0x8b44f7afL);
 109         R0(C,D,A,B,X[10],17,0xffff5bb1L);
 110         R0(B,C,D,A,X[11],22,0x895cd7beL);
 111         R0(A,B,C,D,X[12], 7,0x6b901122L);
 112         R0(D,A,B,C,X[13],12,0xfd987193L);
 113         R0(C,D,A,B,X[14],17,0xa679438eL);
 114         R0(B,C,D,A,X[15],22,0x49b40821L);
 115         /* Round 1 */
 116         R1(A,B,C,D,X[ 1], 5,0xf61e2562L);
 117         R1(D,A,B,C,X[ 6], 9,0xc040b340L);
 118         R1(C,D,A,B,X[11],14,0x265e5a51L);
 119         R1(B,C,D,A,X[ 0],20,0xe9b6c7aaL);
 120         R1(A,B,C,D,X[ 5], 5,0xd62f105dL);
 121         R1(D,A,B,C,X[10], 9,0x02441453L);
 122         R1(C,D,A,B,X[15],14,0xd8a1e681L);
 123         R1(B,C,D,A,X[ 4],20,0xe7d3fbc8L);
 124         R1(A,B,C,D,X[ 9], 5,0x21e1cde6L);
 125         R1(D,A,B,C,X[14], 9,0xc33707d6L);
 126         R1(C,D,A,B,X[ 3],14,0xf4d50d87L);
 127         R1(B,C,D,A,X[ 8],20,0x455a14edL);
 128         R1(A,B,C,D,X[13], 5,0xa9e3e905L);
 129         R1(D,A,B,C,X[ 2], 9,0xfcefa3f8L);
 130         R1(C,D,A,B,X[ 7],14,0x676f02d9L);
 131         R1(B,C,D,A,X[12],20,0x8d2a4c8aL);
 132         /* Round 2 */
 133         R2(A,B,C,D,X[ 5], 4,0xfffa3942L);
 134         R2(D,A,B,C,X[ 8],11,0x8771f681L);
 135         R2(C,D,A,B,X[11],16,0x6d9d6122L);
 136         R2(B,C,D,A,X[14],23,0xfde5380cL);
 137         R2(A,B,C,D,X[ 1], 4,0xa4beea44L);
 138         R2(D,A,B,C,X[ 4],11,0x4bdecfa9L);
 139         R2(C,D,A,B,X[ 7],16,0xf6bb4b60L);
 140         R2(B,C,D,A,X[10],23,0xbebfbc70L);
 141         R2(A,B,C,D,X[13], 4,0x289b7ec6L);
 142         R2(D,A,B,C,X[ 0],11,0xeaa127faL);
 143         R2(C,D,A,B,X[ 3],16,0xd4ef3085L);
 144         R2(B,C,D,A,X[ 6],23,0x04881d05L);
 145         R2(A,B,C,D,X[ 9], 4,0xd9d4d039L);
 146         R2(D,A,B,C,X[12],11,0xe6db99e5L);
 147         R2(C,D,A,B,X[15],16,0x1fa27cf8L);
 148         R2(B,C,D,A,X[ 2],23,0xc4ac5665L);
 149         /* Round 3 */
 150         R3(A,B,C,D,X[ 0], 6,0xf4292244L);
 151         R3(D,A,B,C,X[ 7],10,0x432aff97L);
 152         R3(C,D,A,B,X[14],15,0xab9423a7L);
 153         R3(B,C,D,A,X[ 5],21,0xfc93a039L);
 154         R3(A,B,C,D,X[12], 6,0x655b59c3L);
 155         R3(D,A,B,C,X[ 3],10,0x8f0ccc92L);
 156         R3(C,D,A,B,X[10],15,0xffeff47dL);
 157         R3(B,C,D,A,X[ 1],21,0x85845dd1L);
 158         R3(A,B,C,D,X[ 8], 6,0x6fa87e4fL);
 159         R3(D,A,B,C,X[15],10,0xfe2ce6e0L);
 160         R3(C,D,A,B,X[ 6],15,0xa3014314L);
 161         R3(B,C,D,A,X[13],21,0x4e0811a1L);
 162         R3(A,B,C,D,X[ 4], 6,0xf7537e82L);
 163         R3(D,A,B,C,X[11],10,0xbd3af235L);
 164         R3(C,D,A,B,X[ 2],15,0x2ad7d2bbL);
 165         R3(B,C,D,A,X[ 9],21,0xeb86d391L);
 166
 167         A = c->A += A;
 168         B = c->B += B;
 169         C = c->C += C;
 170         D = c->D += D;
 171                 }
 172         }
 173 #endif
 174
 175 #ifndef md5_block_data_order
 176 #ifdef X
 177 #undef X
 178 #endif
 179 void md5_block_data_order (MD5_CTX *c, const void *data_, int num)
 180         {
 181         const unsigned char *data=data_;
 182         register unsigned MD32_REG_T A,B,C,D,l;
 183 #ifndef MD32_XARRAY
 184         /* See comment in crypto/sha/sha_locl.h for details. */
 185         unsigned MD32_REG_T     XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
 186                                 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
 187 # define X(i)   XX##i
 188 #else
 189         MD5_LONG XX[MD5_LBLOCK];
 190 # define X(i)   XX[i]
 191 #endif
 192
 193         A=c->A;
 194         B=c->B;
 195         C=c->C;
 196         D=c->D;
 197
 198         for (;num--;)
 199                 {
 200         HOST_c2l(data,l); X( 0)=l;              HOST_c2l(data,l); X( 1)=l;
 201         /* Round 0 */
 202         R0(A,B,C,D,X( 0), 7,0xd76aa478L);       HOST_c2l(data,l); X( 2)=l;
 203         R0(D,A,B,C,X( 1),12,0xe8c7b756L);       HOST_c2l(data,l); X( 3)=l;
 204         R0(C,D,A,B,X( 2),17,0x242070dbL);       HOST_c2l(data,l); X( 4)=l;
 205         R0(B,C,D,A,X( 3),22,0xc1bdceeeL);       HOST_c2l(data,l); X( 5)=l;
 206         R0(A,B,C,D,X( 4), 7,0xf57c0fafL);       HOST_c2l(data,l); X( 6)=l;
 207         R0(D,A,B,C,X( 5),12,0x4787c62aL);       HOST_c2l(data,l); X( 7)=l;
 208         R0(C,D,A,B,X( 6),17,0xa8304613L);       HOST_c2l(data,l); X( 8)=l;
 209         R0(B,C,D,A,X( 7),22,0xfd469501L);       HOST_c2l(data,l); X( 9)=l;
 210         R0(A,B,C,D,X( 8), 7,0x698098d8L);       HOST_c2l(data,l); X(10)=l;
 211         R0(D,A,B,C,X( 9),12,0x8b44f7afL);       HOST_c2l(data,l); X(11)=l;
 212         R0(C,D,A,B,X(10),17,0xffff5bb1L);       HOST_c2l(data,l); X(12)=l;
 213         R0(B,C,D,A,X(11),22,0x895cd7beL);       HOST_c2l(data,l); X(13)=l;
 214         R0(A,B,C,D,X(12), 7,0x6b901122L);       HOST_c2l(data,l); X(14)=l;
 215         R0(D,A,B,C,X(13),12,0xfd987193L);       HOST_c2l(data,l); X(15)=l;
 216         R0(C,D,A,B,X(14),17,0xa679438eL);
 217         R0(B,C,D,A,X(15),22,0x49b40821L);
 218         /* Round 1 */
 219         R1(A,B,C,D,X( 1), 5,0xf61e2562L);
 220         R1(D,A,B,C,X( 6), 9,0xc040b340L);
 221         R1(C,D,A,B,X(11),14,0x265e5a51L);
 222         R1(B,C,D,A,X( 0),20,0xe9b6c7aaL);
 223         R1(A,B,C,D,X( 5), 5,0xd62f105dL);
 224         R1(D,A,B,C,X(10), 9,0x02441453L);
 225         R1(C,D,A,B,X(15),14,0xd8a1e681L);
 226         R1(B,C,D,A,X( 4),20,0xe7d3fbc8L);
 227         R1(A,B,C,D,X( 9), 5,0x21e1cde6L);
 228         R1(D,A,B,C,X(14), 9,0xc33707d6L);
 229         R1(C,D,A,B,X( 3),14,0xf4d50d87L);
 230         R1(B,C,D,A,X( 8),20,0x455a14edL);
 231         R1(A,B,C,D,X(13), 5,0xa9e3e905L);
 232         R1(D,A,B,C,X( 2), 9,0xfcefa3f8L);
 233         R1(C,D,A,B,X( 7),14,0x676f02d9L);
 234         R1(B,C,D,A,X(12),20,0x8d2a4c8aL);
 235         /* Round 2 */
 236         R2(A,B,C,D,X( 5), 4,0xfffa3942L);
 237         R2(D,A,B,C,X( 8),11,0x8771f681L);
 238         R2(C,D,A,B,X(11),16,0x6d9d6122L);
 239         R2(B,C,D,A,X(14),23,0xfde5380cL);
 240         R2(A,B,C,D,X( 1), 4,0xa4beea44L);
 241         R2(D,A,B,C,X( 4),11,0x4bdecfa9L);
 242         R2(C,D,A,B,X( 7),16,0xf6bb4b60L);
 243         R2(B,C,D,A,X(10),23,0xbebfbc70L);
 244         R2(A,B,C,D,X(13), 4,0x289b7ec6L);
 245         R2(D,A,B,C,X( 0),11,0xeaa127faL);
 246         R2(C,D,A,B,X( 3),16,0xd4ef3085L);
 247         R2(B,C,D,A,X( 6),23,0x04881d05L);
 248         R2(A,B,C,D,X( 9), 4,0xd9d4d039L);
 249         R2(D,A,B,C,X(12),11,0xe6db99e5L);
 250         R2(C,D,A,B,X(15),16,0x1fa27cf8L);
 251         R2(B,C,D,A,X( 2),23,0xc4ac5665L);
 252         /* Round 3 */
 253         R3(A,B,C,D,X( 0), 6,0xf4292244L);
 254         R3(D,A,B,C,X( 7),10,0x432aff97L);
 255         R3(C,D,A,B,X(14),15,0xab9423a7L);
 256         R3(B,C,D,A,X( 5),21,0xfc93a039L);
 257         R3(A,B,C,D,X(12), 6,0x655b59c3L);
 258         R3(D,A,B,C,X( 3),10,0x8f0ccc92L);
 259         R3(C,D,A,B,X(10),15,0xffeff47dL);
 260         R3(B,C,D,A,X( 1),21,0x85845dd1L);
 261         R3(A,B,C,D,X( 8), 6,0x6fa87e4fL);
 262         R3(D,A,B,C,X(15),10,0xfe2ce6e0L);
 263         R3(C,D,A,B,X( 6),15,0xa3014314L);
 264         R3(B,C,D,A,X(13),21,0x4e0811a1L);
 265         R3(A,B,C,D,X( 4), 6,0xf7537e82L);
 266         R3(D,A,B,C,X(11),10,0xbd3af235L);
 267         R3(C,D,A,B,X( 2),15,0x2ad7d2bbL);
 268         R3(B,C,D,A,X( 9),21,0xeb86d391L);
 269
 270         A = c->A += A;
 271         B = c->B += B;
 272         C = c->C += C;
 273         D = c->D += D;
 274                 }
 275         }
 276 #endif
 277
 278 #ifdef undef
 279 int printit(unsigned long *l)
 280         {
 281         int i,ii;
 282
 283         for (i=0; i<2; i++)
 284                 {
 285                 for (ii=0; ii<8; ii++)
 286                         {
 287                         fprintf(stderr,"%08lx ",l[i*8+ii]);
 288                         }
 289                 fprintf(stderr,"\n");
 290                 }
 291         }
 292 #endif