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Diffstat (limited to 'src/lib/libcrypto/md2/md2_dgst.c')
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diff --git a/src/lib/libcrypto/md2/md2_dgst.c b/src/lib/libcrypto/md2/md2_dgst.c new file mode 100644 index 0000000000..ecb64f0ec4 --- /dev/null +++ b/src/lib/libcrypto/md2/md2_dgst.c | |||
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1 | /* crypto/md2/md2_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 <stdlib.h> | ||
61 | #include <string.h> | ||
62 | #include <openssl/md2.h> | ||
63 | #include <openssl/opensslv.h> | ||
64 | #include <openssl/crypto.h> | ||
65 | |||
66 | const char *MD2_version="MD2" OPENSSL_VERSION_PTEXT; | ||
67 | |||
68 | /* Implemented from RFC1319 The MD2 Message-Digest Algorithm | ||
69 | */ | ||
70 | |||
71 | #define UCHAR unsigned char | ||
72 | |||
73 | static void md2_block(MD2_CTX *c, const unsigned char *d); | ||
74 | /* The magic S table - I have converted it to hex since it is | ||
75 | * basically just a random byte string. */ | ||
76 | static MD2_INT S[256]={ | ||
77 | 0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, | ||
78 | 0x3D, 0x36, 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13, | ||
79 | 0x62, 0xA7, 0x05, 0xF3, 0xC0, 0xC7, 0x73, 0x8C, | ||
80 | 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C, 0x82, 0xCA, | ||
81 | 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16, | ||
82 | 0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12, | ||
83 | 0xBE, 0x4E, 0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49, | ||
84 | 0xA0, 0xFB, 0xF5, 0x8E, 0xBB, 0x2F, 0xEE, 0x7A, | ||
85 | 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2, 0x07, 0x3F, | ||
86 | 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21, | ||
87 | 0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27, | ||
88 | 0x35, 0x3E, 0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03, | ||
89 | 0xFF, 0x19, 0x30, 0xB3, 0x48, 0xA5, 0xB5, 0xD1, | ||
90 | 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56, 0xAA, 0xC6, | ||
91 | 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6, | ||
92 | 0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1, | ||
93 | 0x45, 0x9D, 0x70, 0x59, 0x64, 0x71, 0x87, 0x20, | ||
94 | 0x86, 0x5B, 0xCF, 0x65, 0xE6, 0x2D, 0xA8, 0x02, | ||
95 | 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0, 0xB9, 0xF6, | ||
96 | 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F, | ||
97 | 0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A, | ||
98 | 0xC3, 0x5C, 0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26, | ||
99 | 0x2C, 0x53, 0x0D, 0x6E, 0x85, 0x28, 0x84, 0x09, | ||
100 | 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81, 0x4D, 0x52, | ||
101 | 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA, | ||
102 | 0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A, | ||
103 | 0x78, 0x88, 0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D, | ||
104 | 0xE9, 0xCB, 0xD5, 0xFE, 0x3B, 0x00, 0x1D, 0x39, | ||
105 | 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58, 0xD0, 0xE4, | ||
106 | 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A, | ||
107 | 0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A, | ||
108 | 0xDB, 0x99, 0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14, | ||
109 | }; | ||
110 | |||
111 | const char *MD2_options(void) | ||
112 | { | ||
113 | if (sizeof(MD2_INT) == 1) | ||
114 | return("md2(char)"); | ||
115 | else | ||
116 | return("md2(int)"); | ||
117 | } | ||
118 | |||
119 | int MD2_Init(MD2_CTX *c) | ||
120 | { | ||
121 | c->num=0; | ||
122 | memset(c->state,0,sizeof c->state); | ||
123 | memset(c->cksm,0,sizeof c->cksm); | ||
124 | memset(c->data,0,sizeof c->data); | ||
125 | return 1; | ||
126 | } | ||
127 | |||
128 | int MD2_Update(MD2_CTX *c, const unsigned char *data, unsigned long len) | ||
129 | { | ||
130 | register UCHAR *p; | ||
131 | |||
132 | if (len == 0) return 1; | ||
133 | |||
134 | p=c->data; | ||
135 | if (c->num != 0) | ||
136 | { | ||
137 | if ((c->num+len) >= MD2_BLOCK) | ||
138 | { | ||
139 | memcpy(&(p[c->num]),data,MD2_BLOCK-c->num); | ||
140 | md2_block(c,c->data); | ||
141 | data+=(MD2_BLOCK - c->num); | ||
142 | len-=(MD2_BLOCK - c->num); | ||
143 | c->num=0; | ||
144 | /* drop through and do the rest */ | ||
145 | } | ||
146 | else | ||
147 | { | ||
148 | memcpy(&(p[c->num]),data,(int)len); | ||
149 | /* data+=len; */ | ||
150 | c->num+=(int)len; | ||
151 | return 1; | ||
152 | } | ||
153 | } | ||
154 | /* we now can process the input data in blocks of MD2_BLOCK | ||
155 | * chars and save the leftovers to c->data. */ | ||
156 | while (len >= MD2_BLOCK) | ||
157 | { | ||
158 | md2_block(c,data); | ||
159 | data+=MD2_BLOCK; | ||
160 | len-=MD2_BLOCK; | ||
161 | } | ||
162 | memcpy(p,data,(int)len); | ||
163 | c->num=(int)len; | ||
164 | return 1; | ||
165 | } | ||
166 | |||
167 | static void md2_block(MD2_CTX *c, const unsigned char *d) | ||
168 | { | ||
169 | register MD2_INT t,*sp1,*sp2; | ||
170 | register int i,j; | ||
171 | MD2_INT state[48]; | ||
172 | |||
173 | sp1=c->state; | ||
174 | sp2=c->cksm; | ||
175 | j=sp2[MD2_BLOCK-1]; | ||
176 | for (i=0; i<16; i++) | ||
177 | { | ||
178 | state[i]=sp1[i]; | ||
179 | state[i+16]=t=d[i]; | ||
180 | state[i+32]=(t^sp1[i]); | ||
181 | j=sp2[i]^=S[t^j]; | ||
182 | } | ||
183 | t=0; | ||
184 | for (i=0; i<18; i++) | ||
185 | { | ||
186 | for (j=0; j<48; j+=8) | ||
187 | { | ||
188 | t= state[j+ 0]^=S[t]; | ||
189 | t= state[j+ 1]^=S[t]; | ||
190 | t= state[j+ 2]^=S[t]; | ||
191 | t= state[j+ 3]^=S[t]; | ||
192 | t= state[j+ 4]^=S[t]; | ||
193 | t= state[j+ 5]^=S[t]; | ||
194 | t= state[j+ 6]^=S[t]; | ||
195 | t= state[j+ 7]^=S[t]; | ||
196 | } | ||
197 | t=(t+i)&0xff; | ||
198 | } | ||
199 | memcpy(sp1,state,16*sizeof(MD2_INT)); | ||
200 | OPENSSL_cleanse(state,48*sizeof(MD2_INT)); | ||
201 | } | ||
202 | |||
203 | int MD2_Final(unsigned char *md, MD2_CTX *c) | ||
204 | { | ||
205 | int i,v; | ||
206 | register UCHAR *cp; | ||
207 | register MD2_INT *p1,*p2; | ||
208 | |||
209 | cp=c->data; | ||
210 | p1=c->state; | ||
211 | p2=c->cksm; | ||
212 | v=MD2_BLOCK-c->num; | ||
213 | for (i=c->num; i<MD2_BLOCK; i++) | ||
214 | cp[i]=(UCHAR)v; | ||
215 | |||
216 | md2_block(c,cp); | ||
217 | |||
218 | for (i=0; i<MD2_BLOCK; i++) | ||
219 | cp[i]=(UCHAR)p2[i]; | ||
220 | md2_block(c,cp); | ||
221 | |||
222 | for (i=0; i<16; i++) | ||
223 | md[i]=(UCHAR)(p1[i]&0xff); | ||
224 | memset((char *)&c,0,sizeof(c)); | ||
225 | return 1; | ||
226 | } | ||
227 | |||