| /* crypto/md5/md5_dgst.c */ |
| /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| * All rights reserved. |
| * |
| * This package is an SSL implementation written |
| * by Eric Young (eay@cryptsoft.com). |
| * The implementation was written so as to conform with Netscapes SSL. |
| * |
| * This library is free for commercial and non-commercial use as long as |
| * the following conditions are aheared to. The following conditions |
| * apply to all code found in this distribution, be it the RC4, RSA, |
| * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| * included with this distribution is covered by the same copyright terms |
| * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| * |
| * Copyright remains Eric Young's, and as such any Copyright notices in |
| * the code are not to be removed. |
| * If this package is used in a product, Eric Young should be given attribution |
| * as the author of the parts of the library used. |
| * This can be in the form of a textual message at program startup or |
| * in documentation (online or textual) provided with the package. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] |
| */ |
| |
| #include <stdio.h> |
| #include "openssl_md5_local.h" |
| |
| /* Implemented from RFC1321 The MD5 Message-Digest Algorithm |
| */ |
| |
| #define INIT_DATA_A (unsigned long)0x67452301L |
| #define INIT_DATA_B (unsigned long)0xefcdab89L |
| #define INIT_DATA_C (unsigned long)0x98badcfeL |
| #define INIT_DATA_D (unsigned long)0x10325476L |
| |
| int MD5_Init(MD5_CTX *c) |
| { |
| memset (c,0,sizeof(*c)); |
| c->A=INIT_DATA_A; |
| c->B=INIT_DATA_B; |
| c->C=INIT_DATA_C; |
| c->D=INIT_DATA_D; |
| return 1; |
| } |
| |
| #ifndef md5_block_data_order |
| #ifdef X |
| #undef X |
| #endif |
| void md5_block_data_order (MD5_CTX *c, const void *data_, size_t num) |
| { |
| const unsigned char *data=data_; |
| register unsigned MD32_REG_T A,B,C,D,l; |
| #ifndef MD32_XARRAY |
| /* See comment in crypto/sha/sha_locl.h for details. */ |
| unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7, |
| XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15; |
| # define X(i) XX##i |
| #else |
| MD5_LONG XX[MD5_LBLOCK]; |
| # define X(i) XX[i] |
| #endif |
| |
| A=c->A; |
| B=c->B; |
| C=c->C; |
| D=c->D; |
| |
| for (;num--;) |
| { |
| HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l; |
| /* Round 0 */ |
| R0(A,B,C,D,X( 0), 7,0xd76aa478L); HOST_c2l(data,l); X( 2)=l; |
| R0(D,A,B,C,X( 1),12,0xe8c7b756L); HOST_c2l(data,l); X( 3)=l; |
| R0(C,D,A,B,X( 2),17,0x242070dbL); HOST_c2l(data,l); X( 4)=l; |
| R0(B,C,D,A,X( 3),22,0xc1bdceeeL); HOST_c2l(data,l); X( 5)=l; |
| R0(A,B,C,D,X( 4), 7,0xf57c0fafL); HOST_c2l(data,l); X( 6)=l; |
| R0(D,A,B,C,X( 5),12,0x4787c62aL); HOST_c2l(data,l); X( 7)=l; |
| R0(C,D,A,B,X( 6),17,0xa8304613L); HOST_c2l(data,l); X( 8)=l; |
| R0(B,C,D,A,X( 7),22,0xfd469501L); HOST_c2l(data,l); X( 9)=l; |
| R0(A,B,C,D,X( 8), 7,0x698098d8L); HOST_c2l(data,l); X(10)=l; |
| R0(D,A,B,C,X( 9),12,0x8b44f7afL); HOST_c2l(data,l); X(11)=l; |
| R0(C,D,A,B,X(10),17,0xffff5bb1L); HOST_c2l(data,l); X(12)=l; |
| R0(B,C,D,A,X(11),22,0x895cd7beL); HOST_c2l(data,l); X(13)=l; |
| R0(A,B,C,D,X(12), 7,0x6b901122L); HOST_c2l(data,l); X(14)=l; |
| R0(D,A,B,C,X(13),12,0xfd987193L); HOST_c2l(data,l); X(15)=l; |
| R0(C,D,A,B,X(14),17,0xa679438eL); |
| R0(B,C,D,A,X(15),22,0x49b40821L); |
| /* Round 1 */ |
| R1(A,B,C,D,X( 1), 5,0xf61e2562L); |
| R1(D,A,B,C,X( 6), 9,0xc040b340L); |
| R1(C,D,A,B,X(11),14,0x265e5a51L); |
| R1(B,C,D,A,X( 0),20,0xe9b6c7aaL); |
| R1(A,B,C,D,X( 5), 5,0xd62f105dL); |
| R1(D,A,B,C,X(10), 9,0x02441453L); |
| R1(C,D,A,B,X(15),14,0xd8a1e681L); |
| R1(B,C,D,A,X( 4),20,0xe7d3fbc8L); |
| R1(A,B,C,D,X( 9), 5,0x21e1cde6L); |
| R1(D,A,B,C,X(14), 9,0xc33707d6L); |
| R1(C,D,A,B,X( 3),14,0xf4d50d87L); |
| R1(B,C,D,A,X( 8),20,0x455a14edL); |
| R1(A,B,C,D,X(13), 5,0xa9e3e905L); |
| R1(D,A,B,C,X( 2), 9,0xfcefa3f8L); |
| R1(C,D,A,B,X( 7),14,0x676f02d9L); |
| R1(B,C,D,A,X(12),20,0x8d2a4c8aL); |
| /* Round 2 */ |
| R2(A,B,C,D,X( 5), 4,0xfffa3942L); |
| R2(D,A,B,C,X( 8),11,0x8771f681L); |
| R2(C,D,A,B,X(11),16,0x6d9d6122L); |
| R2(B,C,D,A,X(14),23,0xfde5380cL); |
| R2(A,B,C,D,X( 1), 4,0xa4beea44L); |
| R2(D,A,B,C,X( 4),11,0x4bdecfa9L); |
| R2(C,D,A,B,X( 7),16,0xf6bb4b60L); |
| R2(B,C,D,A,X(10),23,0xbebfbc70L); |
| R2(A,B,C,D,X(13), 4,0x289b7ec6L); |
| R2(D,A,B,C,X( 0),11,0xeaa127faL); |
| R2(C,D,A,B,X( 3),16,0xd4ef3085L); |
| R2(B,C,D,A,X( 6),23,0x04881d05L); |
| R2(A,B,C,D,X( 9), 4,0xd9d4d039L); |
| R2(D,A,B,C,X(12),11,0xe6db99e5L); |
| R2(C,D,A,B,X(15),16,0x1fa27cf8L); |
| R2(B,C,D,A,X( 2),23,0xc4ac5665L); |
| /* Round 3 */ |
| R3(A,B,C,D,X( 0), 6,0xf4292244L); |
| R3(D,A,B,C,X( 7),10,0x432aff97L); |
| R3(C,D,A,B,X(14),15,0xab9423a7L); |
| R3(B,C,D,A,X( 5),21,0xfc93a039L); |
| R3(A,B,C,D,X(12), 6,0x655b59c3L); |
| R3(D,A,B,C,X( 3),10,0x8f0ccc92L); |
| R3(C,D,A,B,X(10),15,0xffeff47dL); |
| R3(B,C,D,A,X( 1),21,0x85845dd1L); |
| R3(A,B,C,D,X( 8), 6,0x6fa87e4fL); |
| R3(D,A,B,C,X(15),10,0xfe2ce6e0L); |
| R3(C,D,A,B,X( 6),15,0xa3014314L); |
| R3(B,C,D,A,X(13),21,0x4e0811a1L); |
| R3(A,B,C,D,X( 4), 6,0xf7537e82L); |
| R3(D,A,B,C,X(11),10,0xbd3af235L); |
| R3(C,D,A,B,X( 2),15,0x2ad7d2bbL); |
| R3(B,C,D,A,X( 9),21,0xeb86d391L); |
| |
| A = c->A += A; |
| B = c->B += B; |
| C = c->C += C; |
| D = c->D += D; |
| } |
| } |
| #endif |
