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));