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_host_order
md4_block_host_order(MD4_CTX * c,const void * data,size_t num)86 void 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
md4_block_data_order(MD4_CTX * c,const void * data_,size_t num)162 void 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
printit(unsigned long * l)245 int 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