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>
65 #include <openssl/fips.h>
66 #include <openssl/err.h>
68 const char *MD2_version="MD2" OPENSSL_VERSION_PTEXT;
70 /* Implemented from RFC1319 The MD2 Message-Digest Algorithm
73 #define UCHAR unsigned char
75 static void md2_block(MD2_CTX *c, const unsigned char *d);
76 /* The magic S table - I have converted it to hex since it is
77 * basically just a random byte string. */
78 static MD2_INT S[256]={
79 0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01,
80 0x3D, 0x36, 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13,
81 0x62, 0xA7, 0x05, 0xF3, 0xC0, 0xC7, 0x73, 0x8C,
82 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C, 0x82, 0xCA,
83 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16,
84 0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12,
85 0xBE, 0x4E, 0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49,
86 0xA0, 0xFB, 0xF5, 0x8E, 0xBB, 0x2F, 0xEE, 0x7A,
87 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2, 0x07, 0x3F,
88 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21,
89 0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27,
90 0x35, 0x3E, 0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03,
91 0xFF, 0x19, 0x30, 0xB3, 0x48, 0xA5, 0xB5, 0xD1,
92 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56, 0xAA, 0xC6,
93 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6,
94 0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1,
95 0x45, 0x9D, 0x70, 0x59, 0x64, 0x71, 0x87, 0x20,
96 0x86, 0x5B, 0xCF, 0x65, 0xE6, 0x2D, 0xA8, 0x02,
97 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0, 0xB9, 0xF6,
98 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F,
99 0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A,
100 0xC3, 0x5C, 0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26,
101 0x2C, 0x53, 0x0D, 0x6E, 0x85, 0x28, 0x84, 0x09,
102 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81, 0x4D, 0x52,
103 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA,
104 0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A,
105 0x78, 0x88, 0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D,
106 0xE9, 0xCB, 0xD5, 0xFE, 0x3B, 0x00, 0x1D, 0x39,
107 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58, 0xD0, 0xE4,
108 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A,
109 0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A,
110 0xDB, 0x99, 0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14,
113 const char *MD2_options(void)
115 if (sizeof(MD2_INT) == 1)
121 FIPS_NON_FIPS_MD_Init(MD2)
124 memset(c->state,0,sizeof c->state);
125 memset(c->cksm,0,sizeof c->cksm);
126 memset(c->data,0,sizeof c->data);
130 int MD2_Update(MD2_CTX *c, const unsigned char *data, unsigned long len)
134 if (len == 0) return 1;
139 if ((c->num+len) >= MD2_BLOCK)
141 memcpy(&(p[c->num]),data,MD2_BLOCK-c->num);
142 md2_block(c,c->data);
143 data+=(MD2_BLOCK - c->num);
144 len-=(MD2_BLOCK - c->num);
146 /* drop through and do the rest */
150 memcpy(&(p[c->num]),data,(int)len);
156 /* we now can process the input data in blocks of MD2_BLOCK
157 * chars and save the leftovers to c->data. */
158 while (len >= MD2_BLOCK)
164 memcpy(p,data,(int)len);
169 static void md2_block(MD2_CTX *c, const unsigned char *d)
171 register MD2_INT t,*sp1,*sp2;
182 state[i+32]=(t^sp1[i]);
188 for (j=0; j<48; j+=8)
190 t= state[j+ 0]^=S[t];
191 t= state[j+ 1]^=S[t];
192 t= state[j+ 2]^=S[t];
193 t= state[j+ 3]^=S[t];
194 t= state[j+ 4]^=S[t];
195 t= state[j+ 5]^=S[t];
196 t= state[j+ 6]^=S[t];
197 t= state[j+ 7]^=S[t];
201 memcpy(sp1,state,16*sizeof(MD2_INT));
202 OPENSSL_cleanse(state,48*sizeof(MD2_INT));
205 int MD2_Final(unsigned char *md, MD2_CTX *c)
209 register MD2_INT *p1,*p2;
215 for (i=c->num; i<MD2_BLOCK; i++)
220 for (i=0; i<MD2_BLOCK; i++)
225 md[i]=(UCHAR)(p1[i]&0xff);
226 memset((char *)&c,0,sizeof(c));