xref: /freebsd/crypto/openssl/crypto/md5/md5_dgst.c (revision 1e413cf93298b5b97441a21d9a50fdcd0ee9945e)
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, size_t 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_, size_t 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
293