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58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
d02b48c6 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
d02b48c6 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
57 | ||
58 | #include <stdio.h> | |
b39fc560 | 59 | #include "internal/cryptlib.h" |
69104cdf | 60 | |
474e469b RS |
61 | #include <openssl/evp.h> |
62 | #include <openssl/objects.h> | |
63 | #include <openssl/sha.h> | |
64 | #ifndef OPENSSL_NO_RSA | |
65 | # include <openssl/rsa.h> | |
66 | #endif | |
ab0a14bb | 67 | #include "internal/evp_int.h" |
d02b48c6 | 68 | |
26188931 | 69 | static int init(EVP_MD_CTX *ctx) |
0f113f3e | 70 | { |
6e59a892 | 71 | return SHA1_Init(EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
72 | } |
73 | ||
74 | static int update(EVP_MD_CTX *ctx, const void *data, size_t count) | |
75 | { | |
6e59a892 | 76 | return SHA1_Update(EVP_MD_CTX_md_data(ctx), data, count); |
0f113f3e MC |
77 | } |
78 | ||
79 | static int final(EVP_MD_CTX *ctx, unsigned char *md) | |
80 | { | |
6e59a892 | 81 | return SHA1_Final(md, EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
82 | } |
83 | ||
00f5263b DSH |
84 | static int ctrl(EVP_MD_CTX *ctx, int cmd, int mslen, void *ms) |
85 | { | |
86 | unsigned char padtmp[40]; | |
87 | unsigned char sha1tmp[SHA_DIGEST_LENGTH]; | |
88 | ||
6e59a892 | 89 | SHA_CTX *sha1 = EVP_MD_CTX_md_data(ctx); |
00f5263b DSH |
90 | |
91 | if (cmd != EVP_CTRL_SSL3_MASTER_SECRET) | |
92 | return 0; | |
93 | ||
94 | /* SSLv3 client auth handling: see RFC-6101 5.6.8 */ | |
95 | if (mslen != 48) | |
96 | return 0; | |
97 | ||
98 | /* At this point hash contains all handshake messages, update | |
99 | * with master secret and pad_1. | |
100 | */ | |
101 | ||
102 | if (SHA1_Update(sha1, ms, mslen) <= 0) | |
103 | return 0; | |
104 | ||
105 | /* Set padtmp to pad_1 value */ | |
106 | memset(padtmp, 0x36, sizeof(padtmp)); | |
107 | ||
108 | if (!SHA1_Update(sha1, padtmp, sizeof(padtmp))) | |
109 | return 0; | |
110 | ||
111 | if (!SHA1_Final(sha1tmp, sha1)) | |
112 | return 0; | |
113 | ||
114 | /* Reinitialise context */ | |
115 | ||
116 | if (!SHA1_Init(sha1)) | |
117 | return 0; | |
118 | ||
119 | if (SHA1_Update(sha1, ms, mslen) <= 0) | |
120 | return 0; | |
121 | ||
122 | /* Set padtmp to pad_2 value */ | |
123 | memset(padtmp, 0x5c, sizeof(padtmp)); | |
124 | ||
125 | if (!SHA1_Update(sha1, padtmp, sizeof(padtmp))) | |
126 | return 0; | |
127 | ||
128 | if (!SHA1_Update(sha1, sha1tmp, sizeof(sha1tmp))) | |
129 | return 0; | |
130 | ||
131 | /* Now when ctx is finalised it will return the SSL v3 hash value */ | |
132 | OPENSSL_cleanse(sha1tmp, sizeof(sha1tmp)); | |
133 | ||
134 | return 1; | |
135 | ||
136 | } | |
137 | ||
0f113f3e MC |
138 | static const EVP_MD sha1_md = { |
139 | NID_sha1, | |
140 | NID_sha1WithRSAEncryption, | |
141 | SHA_DIGEST_LENGTH, | |
7f572e95 | 142 | EVP_MD_FLAG_DIGALGID_ABSENT, |
0f113f3e MC |
143 | init, |
144 | update, | |
145 | final, | |
146 | NULL, | |
147 | NULL, | |
0f113f3e MC |
148 | SHA_CBLOCK, |
149 | sizeof(EVP_MD *) + sizeof(SHA_CTX), | |
00f5263b | 150 | ctrl |
0f113f3e | 151 | }; |
d02b48c6 | 152 | |
13588350 | 153 | const EVP_MD *EVP_sha1(void) |
0f113f3e MC |
154 | { |
155 | return (&sha1_md); | |
156 | } | |
31c2ac1c | 157 | |
31c2ac1c | 158 | static int init224(EVP_MD_CTX *ctx) |
0f113f3e | 159 | { |
6e59a892 | 160 | return SHA224_Init(EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
161 | } |
162 | ||
31c2ac1c | 163 | static int init256(EVP_MD_CTX *ctx) |
0f113f3e | 164 | { |
6e59a892 | 165 | return SHA256_Init(EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
166 | } |
167 | ||
31c2ac1c AP |
168 | /* |
169 | * Even though there're separate SHA224_[Update|Final], we call | |
170 | * SHA256 functions even in SHA224 context. This is what happens | |
171 | * there anyway, so we can spare few CPU cycles:-) | |
172 | */ | |
0f113f3e MC |
173 | static int update256(EVP_MD_CTX *ctx, const void *data, size_t count) |
174 | { | |
6e59a892 | 175 | return SHA256_Update(EVP_MD_CTX_md_data(ctx), data, count); |
0f113f3e MC |
176 | } |
177 | ||
178 | static int final256(EVP_MD_CTX *ctx, unsigned char *md) | |
179 | { | |
6e59a892 | 180 | return SHA256_Final(md, EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
181 | } |
182 | ||
183 | static const EVP_MD sha224_md = { | |
184 | NID_sha224, | |
185 | NID_sha224WithRSAEncryption, | |
186 | SHA224_DIGEST_LENGTH, | |
7f572e95 | 187 | EVP_MD_FLAG_DIGALGID_ABSENT, |
0f113f3e MC |
188 | init224, |
189 | update256, | |
190 | final256, | |
191 | NULL, | |
192 | NULL, | |
0f113f3e MC |
193 | SHA256_CBLOCK, |
194 | sizeof(EVP_MD *) + sizeof(SHA256_CTX), | |
195 | }; | |
31c2ac1c AP |
196 | |
197 | const EVP_MD *EVP_sha224(void) | |
0f113f3e MC |
198 | { |
199 | return (&sha224_md); | |
200 | } | |
201 | ||
202 | static const EVP_MD sha256_md = { | |
203 | NID_sha256, | |
204 | NID_sha256WithRSAEncryption, | |
205 | SHA256_DIGEST_LENGTH, | |
7f572e95 | 206 | EVP_MD_FLAG_DIGALGID_ABSENT, |
0f113f3e MC |
207 | init256, |
208 | update256, | |
209 | final256, | |
210 | NULL, | |
211 | NULL, | |
0f113f3e MC |
212 | SHA256_CBLOCK, |
213 | sizeof(EVP_MD *) + sizeof(SHA256_CTX), | |
214 | }; | |
31c2ac1c AP |
215 | |
216 | const EVP_MD *EVP_sha256(void) | |
0f113f3e MC |
217 | { |
218 | return (&sha256_md); | |
219 | } | |
31c2ac1c | 220 | |
31c2ac1c | 221 | static int init384(EVP_MD_CTX *ctx) |
0f113f3e | 222 | { |
6e59a892 | 223 | return SHA384_Init(EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
224 | } |
225 | ||
31c2ac1c | 226 | static int init512(EVP_MD_CTX *ctx) |
0f113f3e | 227 | { |
6e59a892 | 228 | return SHA512_Init(EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
229 | } |
230 | ||
31c2ac1c | 231 | /* See comment in SHA224/256 section */ |
0f113f3e MC |
232 | static int update512(EVP_MD_CTX *ctx, const void *data, size_t count) |
233 | { | |
6e59a892 | 234 | return SHA512_Update(EVP_MD_CTX_md_data(ctx), data, count); |
0f113f3e MC |
235 | } |
236 | ||
237 | static int final512(EVP_MD_CTX *ctx, unsigned char *md) | |
238 | { | |
6e59a892 | 239 | return SHA512_Final(md, EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
240 | } |
241 | ||
242 | static const EVP_MD sha384_md = { | |
243 | NID_sha384, | |
244 | NID_sha384WithRSAEncryption, | |
245 | SHA384_DIGEST_LENGTH, | |
7f572e95 | 246 | EVP_MD_FLAG_DIGALGID_ABSENT, |
0f113f3e MC |
247 | init384, |
248 | update512, | |
249 | final512, | |
250 | NULL, | |
251 | NULL, | |
0f113f3e MC |
252 | SHA512_CBLOCK, |
253 | sizeof(EVP_MD *) + sizeof(SHA512_CTX), | |
254 | }; | |
31c2ac1c AP |
255 | |
256 | const EVP_MD *EVP_sha384(void) | |
0f113f3e MC |
257 | { |
258 | return (&sha384_md); | |
259 | } | |
260 | ||
261 | static const EVP_MD sha512_md = { | |
262 | NID_sha512, | |
263 | NID_sha512WithRSAEncryption, | |
264 | SHA512_DIGEST_LENGTH, | |
7f572e95 | 265 | EVP_MD_FLAG_DIGALGID_ABSENT, |
0f113f3e MC |
266 | init512, |
267 | update512, | |
268 | final512, | |
269 | NULL, | |
270 | NULL, | |
0f113f3e MC |
271 | SHA512_CBLOCK, |
272 | sizeof(EVP_MD *) + sizeof(SHA512_CTX), | |
273 | }; | |
31c2ac1c AP |
274 | |
275 | const EVP_MD *EVP_sha512(void) | |
0f113f3e MC |
276 | { |
277 | return (&sha512_md); | |
278 | } |