1 /* crypto/md2/md2_dgst.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
62 #include <openssl/md2.h>
63 #include <openssl/opensslv.h>
64 #include <openssl/crypto.h>
66 #include <openssl/fips.h>
69 #include <openssl/err.h>
71 const char MD2_version[]="MD2" OPENSSL_VERSION_PTEXT;
73 /* Implemented from RFC1319 The MD2 Message-Digest Algorithm
76 #define UCHAR unsigned char
78 static void md2_block(MD2_CTX *c, const unsigned char *d);
79 /* The magic S table - I have converted it to hex since it is
80 * basically just a random byte string. */
81 static MD2_INT S[256]={
82 0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01,
83 0x3D, 0x36, 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13,
84 0x62, 0xA7, 0x05, 0xF3, 0xC0, 0xC7, 0x73, 0x8C,
85 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C, 0x82, 0xCA,
86 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16,
87 0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12,
88 0xBE, 0x4E, 0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49,
89 0xA0, 0xFB, 0xF5, 0x8E, 0xBB, 0x2F, 0xEE, 0x7A,
90 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2, 0x07, 0x3F,
91 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21,
92 0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27,
93 0x35, 0x3E, 0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03,
94 0xFF, 0x19, 0x30, 0xB3, 0x48, 0xA5, 0xB5, 0xD1,
95 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56, 0xAA, 0xC6,
96 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6,
97 0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1,
98 0x45, 0x9D, 0x70, 0x59, 0x64, 0x71, 0x87, 0x20,
99 0x86, 0x5B, 0xCF, 0x65, 0xE6, 0x2D, 0xA8, 0x02,
100 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0, 0xB9, 0xF6,
101 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F,
102 0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A,
103 0xC3, 0x5C, 0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26,
104 0x2C, 0x53, 0x0D, 0x6E, 0x85, 0x28, 0x84, 0x09,
105 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81, 0x4D, 0x52,
106 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA,
107 0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A,
108 0x78, 0x88, 0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D,
109 0xE9, 0xCB, 0xD5, 0xFE, 0x3B, 0x00, 0x1D, 0x39,
110 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58, 0xD0, 0xE4,
111 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A,
112 0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A,
113 0xDB, 0x99, 0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14,
116 const char *MD2_options(void)
118 if (sizeof(MD2_INT) == 1)
124 FIPS_NON_FIPS_MD_Init(MD2)
127 memset(c->state,0,sizeof c->state);
128 memset(c->cksm,0,sizeof c->cksm);
129 memset(c->data,0,sizeof c->data);
133 int MD2_Update(MD2_CTX *c, const unsigned char *data, size_t len)
137 if (len == 0) return 1;
142 if ((c->num+len) >= MD2_BLOCK)
144 memcpy(&(p[c->num]),data,MD2_BLOCK-c->num);
145 md2_block(c,c->data);
146 data+=(MD2_BLOCK - c->num);
147 len-=(MD2_BLOCK - c->num);
149 /* drop through and do the rest */
153 memcpy(&(p[c->num]),data,len);
159 /* we now can process the input data in blocks of MD2_BLOCK
160 * chars and save the leftovers to c->data. */
161 while (len >= MD2_BLOCK)
172 static void md2_block(MD2_CTX *c, const unsigned char *d)
174 register MD2_INT t,*sp1,*sp2;
185 state[i+32]=(t^sp1[i]);
191 for (j=0; j<48; j+=8)
193 t= state[j+ 0]^=S[t];
194 t= state[j+ 1]^=S[t];
195 t= state[j+ 2]^=S[t];
196 t= state[j+ 3]^=S[t];
197 t= state[j+ 4]^=S[t];
198 t= state[j+ 5]^=S[t];
199 t= state[j+ 6]^=S[t];
200 t= state[j+ 7]^=S[t];
204 memcpy(sp1,state,16*sizeof(MD2_INT));
205 OPENSSL_cleanse(state,48*sizeof(MD2_INT));
208 int MD2_Final(unsigned char *md, MD2_CTX *c)
212 register MD2_INT *p1,*p2;
218 for (i=c->num; i<MD2_BLOCK; i++)
223 for (i=0; i<MD2_BLOCK; i++)
228 md[i]=(UCHAR)(p1[i]&0xff);
229 memset((char *)&c,0,sizeof(c));