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
63 const 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
MD4_Init(MD4_CTX * c)73 int 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_data_order
86 #ifdef X
87 #undef X
88 #endif
md4_block_data_order(MD4_CTX * c,const void * data_,size_t num)89 void md4_block_data_order (MD4_CTX *c, const void *data_, size_t num)
90 {
91 const unsigned char *data=data_;
92 register unsigned MD32_REG_T A,B,C,D,l;
93 #ifndef MD32_XARRAY
94 /* See comment in crypto/sha/sha_locl.h for details. */
95 unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
96 XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
97 # define X(i) XX##i
98 #else
99 MD4_LONG XX[MD4_LBLOCK];
100 # define X(i) XX[i]
101 #endif
102
103 A=c->A;
104 B=c->B;
105 C=c->C;
106 D=c->D;
107
108 for (;num--;)
109 {
110 HOST_c2l(data,l); X( 0)=l; HOST_c2l(data,l); X( 1)=l;
111 /* Round 0 */
112 R0(A,B,C,D,X( 0), 3,0); HOST_c2l(data,l); X( 2)=l;
113 R0(D,A,B,C,X( 1), 7,0); HOST_c2l(data,l); X( 3)=l;
114 R0(C,D,A,B,X( 2),11,0); HOST_c2l(data,l); X( 4)=l;
115 R0(B,C,D,A,X( 3),19,0); HOST_c2l(data,l); X( 5)=l;
116 R0(A,B,C,D,X( 4), 3,0); HOST_c2l(data,l); X( 6)=l;
117 R0(D,A,B,C,X( 5), 7,0); HOST_c2l(data,l); X( 7)=l;
118 R0(C,D,A,B,X( 6),11,0); HOST_c2l(data,l); X( 8)=l;
119 R0(B,C,D,A,X( 7),19,0); HOST_c2l(data,l); X( 9)=l;
120 R0(A,B,C,D,X( 8), 3,0); HOST_c2l(data,l); X(10)=l;
121 R0(D,A,B,C,X( 9), 7,0); HOST_c2l(data,l); X(11)=l;
122 R0(C,D,A,B,X(10),11,0); HOST_c2l(data,l); X(12)=l;
123 R0(B,C,D,A,X(11),19,0); HOST_c2l(data,l); X(13)=l;
124 R0(A,B,C,D,X(12), 3,0); HOST_c2l(data,l); X(14)=l;
125 R0(D,A,B,C,X(13), 7,0); HOST_c2l(data,l); X(15)=l;
126 R0(C,D,A,B,X(14),11,0);
127 R0(B,C,D,A,X(15),19,0);
128 /* Round 1 */
129 R1(A,B,C,D,X( 0), 3,0x5A827999L);
130 R1(D,A,B,C,X( 4), 5,0x5A827999L);
131 R1(C,D,A,B,X( 8), 9,0x5A827999L);
132 R1(B,C,D,A,X(12),13,0x5A827999L);
133 R1(A,B,C,D,X( 1), 3,0x5A827999L);
134 R1(D,A,B,C,X( 5), 5,0x5A827999L);
135 R1(C,D,A,B,X( 9), 9,0x5A827999L);
136 R1(B,C,D,A,X(13),13,0x5A827999L);
137 R1(A,B,C,D,X( 2), 3,0x5A827999L);
138 R1(D,A,B,C,X( 6), 5,0x5A827999L);
139 R1(C,D,A,B,X(10), 9,0x5A827999L);
140 R1(B,C,D,A,X(14),13,0x5A827999L);
141 R1(A,B,C,D,X( 3), 3,0x5A827999L);
142 R1(D,A,B,C,X( 7), 5,0x5A827999L);
143 R1(C,D,A,B,X(11), 9,0x5A827999L);
144 R1(B,C,D,A,X(15),13,0x5A827999L);
145 /* Round 2 */
146 R2(A,B,C,D,X( 0), 3,0x6ED9EBA1L);
147 R2(D,A,B,C,X( 8), 9,0x6ED9EBA1L);
148 R2(C,D,A,B,X( 4),11,0x6ED9EBA1L);
149 R2(B,C,D,A,X(12),15,0x6ED9EBA1L);
150 R2(A,B,C,D,X( 2), 3,0x6ED9EBA1L);
151 R2(D,A,B,C,X(10), 9,0x6ED9EBA1L);
152 R2(C,D,A,B,X( 6),11,0x6ED9EBA1L);
153 R2(B,C,D,A,X(14),15,0x6ED9EBA1L);
154 R2(A,B,C,D,X( 1), 3,0x6ED9EBA1L);
155 R2(D,A,B,C,X( 9), 9,0x6ED9EBA1L);
156 R2(C,D,A,B,X( 5),11,0x6ED9EBA1L);
157 R2(B,C,D,A,X(13),15,0x6ED9EBA1L);
158 R2(A,B,C,D,X( 3), 3,0x6ED9EBA1L);
159 R2(D,A,B,C,X(11), 9,0x6ED9EBA1L);
160 R2(C,D,A,B,X( 7),11,0x6ED9EBA1L);
161 R2(B,C,D,A,X(15),15,0x6ED9EBA1L);
162
163 A = c->A += A;
164 B = c->B += B;
165 C = c->C += C;
166 D = c->D += D;
167 }
168 }
169 #endif
170