1 /* $OpenBSD: md5_dgst.c,v 1.14 2014/10/28 07:35:59 jsg Exp $ */
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 #include <openssl/crypto.h>
63
64 /* Implemented from RFC1321 The MD5 Message-Digest Algorithm
65 */
66
67 #define INIT_DATA_A (unsigned long)0x67452301L
68 #define INIT_DATA_B (unsigned long)0xefcdab89L
69 #define INIT_DATA_C (unsigned long)0x98badcfeL
70 #define INIT_DATA_D (unsigned long)0x10325476L
71
MD5_Init(MD5_CTX * c)72 int MD5_Init(MD5_CTX *c)
73 {
74 memset (c,0,sizeof(*c));
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 return 1;
80 }
81
82 #ifndef md5_block_data_order
83 #ifdef X
84 #undef X
85 #endif
md5_block_data_order(MD5_CTX * c,const void * data_,size_t num)86 void md5_block_data_order (MD5_CTX *c, const void *data_, size_t num)
87 {
88 const unsigned char *data=data_;
89 unsigned MD32_REG_T A,B,C,D,l;
90 #ifndef MD32_XARRAY
91 /* See comment in crypto/sha/sha_locl.h for details. */
92 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
93 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
94 # define X(i) XX##i
95 #else
96 MD5_LONG XX[MD5_LBLOCK];
97 # define X(i) XX[i]
98 #endif
99
100 A=c->A;
101 B=c->B;
102 C=c->C;
103 D=c->D;
104
105 for (;num--;)
106 {
107 HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l;
108 /* Round 0 */
109 R0(A,B,C,D,X( 0), 7,0xd76aa478L); HOST_c2l(data,l); X( 2)=l;
110 R0(D,A,B,C,X( 1),12,0xe8c7b756L); HOST_c2l(data,l); X( 3)=l;
111 R0(C,D,A,B,X( 2),17,0x242070dbL); HOST_c2l(data,l); X( 4)=l;
112 R0(B,C,D,A,X( 3),22,0xc1bdceeeL); HOST_c2l(data,l); X( 5)=l;
113 R0(A,B,C,D,X( 4), 7,0xf57c0fafL); HOST_c2l(data,l); X( 6)=l;
114 R0(D,A,B,C,X( 5),12,0x4787c62aL); HOST_c2l(data,l); X( 7)=l;
115 R0(C,D,A,B,X( 6),17,0xa8304613L); HOST_c2l(data,l); X( 8)=l;
116 R0(B,C,D,A,X( 7),22,0xfd469501L); HOST_c2l(data,l); X( 9)=l;
117 R0(A,B,C,D,X( 8), 7,0x698098d8L); HOST_c2l(data,l); X(10)=l;
118 R0(D,A,B,C,X( 9),12,0x8b44f7afL); HOST_c2l(data,l); X(11)=l;
119 R0(C,D,A,B,X(10),17,0xffff5bb1L); HOST_c2l(data,l); X(12)=l;
120 R0(B,C,D,A,X(11),22,0x895cd7beL); HOST_c2l(data,l); X(13)=l;
121 R0(A,B,C,D,X(12), 7,0x6b901122L); HOST_c2l(data,l); X(14)=l;
122 R0(D,A,B,C,X(13),12,0xfd987193L); HOST_c2l(data,l); X(15)=l;
123 R0(C,D,A,B,X(14),17,0xa679438eL);
124 R0(B,C,D,A,X(15),22,0x49b40821L);
125 /* Round 1 */
126 R1(A,B,C,D,X( 1), 5,0xf61e2562L);
127 R1(D,A,B,C,X( 6), 9,0xc040b340L);
128 R1(C,D,A,B,X(11),14,0x265e5a51L);
129 R1(B,C,D,A,X( 0),20,0xe9b6c7aaL);
130 R1(A,B,C,D,X( 5), 5,0xd62f105dL);
131 R1(D,A,B,C,X(10), 9,0x02441453L);
132 R1(C,D,A,B,X(15),14,0xd8a1e681L);
133 R1(B,C,D,A,X( 4),20,0xe7d3fbc8L);
134 R1(A,B,C,D,X( 9), 5,0x21e1cde6L);
135 R1(D,A,B,C,X(14), 9,0xc33707d6L);
136 R1(C,D,A,B,X( 3),14,0xf4d50d87L);
137 R1(B,C,D,A,X( 8),20,0x455a14edL);
138 R1(A,B,C,D,X(13), 5,0xa9e3e905L);
139 R1(D,A,B,C,X( 2), 9,0xfcefa3f8L);
140 R1(C,D,A,B,X( 7),14,0x676f02d9L);
141 R1(B,C,D,A,X(12),20,0x8d2a4c8aL);
142 /* Round 2 */
143 R2(A,B,C,D,X( 5), 4,0xfffa3942L);
144 R2(D,A,B,C,X( 8),11,0x8771f681L);
145 R2(C,D,A,B,X(11),16,0x6d9d6122L);
146 R2(B,C,D,A,X(14),23,0xfde5380cL);
147 R2(A,B,C,D,X( 1), 4,0xa4beea44L);
148 R2(D,A,B,C,X( 4),11,0x4bdecfa9L);
149 R2(C,D,A,B,X( 7),16,0xf6bb4b60L);
150 R2(B,C,D,A,X(10),23,0xbebfbc70L);
151 R2(A,B,C,D,X(13), 4,0x289b7ec6L);
152 R2(D,A,B,C,X( 0),11,0xeaa127faL);
153 R2(C,D,A,B,X( 3),16,0xd4ef3085L);
154 R2(B,C,D,A,X( 6),23,0x04881d05L);
155 R2(A,B,C,D,X( 9), 4,0xd9d4d039L);
156 R2(D,A,B,C,X(12),11,0xe6db99e5L);
157 R2(C,D,A,B,X(15),16,0x1fa27cf8L);
158 R2(B,C,D,A,X( 2),23,0xc4ac5665L);
159 /* Round 3 */
160 R3(A,B,C,D,X( 0), 6,0xf4292244L);
161 R3(D,A,B,C,X( 7),10,0x432aff97L);
162 R3(C,D,A,B,X(14),15,0xab9423a7L);
163 R3(B,C,D,A,X( 5),21,0xfc93a039L);
164 R3(A,B,C,D,X(12), 6,0x655b59c3L);
165 R3(D,A,B,C,X( 3),10,0x8f0ccc92L);
166 R3(C,D,A,B,X(10),15,0xffeff47dL);
167 R3(B,C,D,A,X( 1),21,0x85845dd1L);
168 R3(A,B,C,D,X( 8), 6,0x6fa87e4fL);
169 R3(D,A,B,C,X(15),10,0xfe2ce6e0L);
170 R3(C,D,A,B,X( 6),15,0xa3014314L);
171 R3(B,C,D,A,X(13),21,0x4e0811a1L);
172 R3(A,B,C,D,X( 4), 6,0xf7537e82L);
173 R3(D,A,B,C,X(11),10,0xbd3af235L);
174 R3(C,D,A,B,X( 2),15,0x2ad7d2bbL);
175 R3(B,C,D,A,X( 9),21,0xeb86d391L);
176
177 A = c->A += A;
178 B = c->B += B;
179 C = c->C += C;
180 D = c->D += D;
181 }
182 }
183 #endif
184