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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> | |
3c27208f | 64 | #include <openssl/rsa.h> |
ab0a14bb | 65 | #include "internal/evp_int.h" |
d02b48c6 | 66 | |
26188931 | 67 | static int init(EVP_MD_CTX *ctx) |
0f113f3e | 68 | { |
6e59a892 | 69 | return SHA1_Init(EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
70 | } |
71 | ||
72 | static int update(EVP_MD_CTX *ctx, const void *data, size_t count) | |
73 | { | |
6e59a892 | 74 | return SHA1_Update(EVP_MD_CTX_md_data(ctx), data, count); |
0f113f3e MC |
75 | } |
76 | ||
77 | static int final(EVP_MD_CTX *ctx, unsigned char *md) | |
78 | { | |
6e59a892 | 79 | return SHA1_Final(md, EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
80 | } |
81 | ||
00f5263b DSH |
82 | static int ctrl(EVP_MD_CTX *ctx, int cmd, int mslen, void *ms) |
83 | { | |
84 | unsigned char padtmp[40]; | |
85 | unsigned char sha1tmp[SHA_DIGEST_LENGTH]; | |
86 | ||
6e59a892 | 87 | SHA_CTX *sha1 = EVP_MD_CTX_md_data(ctx); |
00f5263b DSH |
88 | |
89 | if (cmd != EVP_CTRL_SSL3_MASTER_SECRET) | |
90 | return 0; | |
91 | ||
92 | /* SSLv3 client auth handling: see RFC-6101 5.6.8 */ | |
93 | if (mslen != 48) | |
94 | return 0; | |
95 | ||
96 | /* At this point hash contains all handshake messages, update | |
97 | * with master secret and pad_1. | |
98 | */ | |
99 | ||
100 | if (SHA1_Update(sha1, ms, mslen) <= 0) | |
101 | return 0; | |
102 | ||
103 | /* Set padtmp to pad_1 value */ | |
104 | memset(padtmp, 0x36, sizeof(padtmp)); | |
105 | ||
106 | if (!SHA1_Update(sha1, padtmp, sizeof(padtmp))) | |
107 | return 0; | |
108 | ||
109 | if (!SHA1_Final(sha1tmp, sha1)) | |
110 | return 0; | |
111 | ||
112 | /* Reinitialise context */ | |
113 | ||
114 | if (!SHA1_Init(sha1)) | |
115 | return 0; | |
116 | ||
117 | if (SHA1_Update(sha1, ms, mslen) <= 0) | |
118 | return 0; | |
119 | ||
120 | /* Set padtmp to pad_2 value */ | |
121 | memset(padtmp, 0x5c, sizeof(padtmp)); | |
122 | ||
123 | if (!SHA1_Update(sha1, padtmp, sizeof(padtmp))) | |
124 | return 0; | |
125 | ||
126 | if (!SHA1_Update(sha1, sha1tmp, sizeof(sha1tmp))) | |
127 | return 0; | |
128 | ||
129 | /* Now when ctx is finalised it will return the SSL v3 hash value */ | |
130 | OPENSSL_cleanse(sha1tmp, sizeof(sha1tmp)); | |
131 | ||
132 | return 1; | |
133 | ||
134 | } | |
135 | ||
0f113f3e MC |
136 | static const EVP_MD sha1_md = { |
137 | NID_sha1, | |
138 | NID_sha1WithRSAEncryption, | |
139 | SHA_DIGEST_LENGTH, | |
7f572e95 | 140 | EVP_MD_FLAG_DIGALGID_ABSENT, |
0f113f3e MC |
141 | init, |
142 | update, | |
143 | final, | |
144 | NULL, | |
145 | NULL, | |
0f113f3e MC |
146 | SHA_CBLOCK, |
147 | sizeof(EVP_MD *) + sizeof(SHA_CTX), | |
00f5263b | 148 | ctrl |
0f113f3e | 149 | }; |
d02b48c6 | 150 | |
13588350 | 151 | const EVP_MD *EVP_sha1(void) |
0f113f3e MC |
152 | { |
153 | return (&sha1_md); | |
154 | } | |
31c2ac1c | 155 | |
31c2ac1c | 156 | static int init224(EVP_MD_CTX *ctx) |
0f113f3e | 157 | { |
6e59a892 | 158 | return SHA224_Init(EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
159 | } |
160 | ||
31c2ac1c | 161 | static int init256(EVP_MD_CTX *ctx) |
0f113f3e | 162 | { |
6e59a892 | 163 | return SHA256_Init(EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
164 | } |
165 | ||
31c2ac1c AP |
166 | /* |
167 | * Even though there're separate SHA224_[Update|Final], we call | |
168 | * SHA256 functions even in SHA224 context. This is what happens | |
169 | * there anyway, so we can spare few CPU cycles:-) | |
170 | */ | |
0f113f3e MC |
171 | static int update256(EVP_MD_CTX *ctx, const void *data, size_t count) |
172 | { | |
6e59a892 | 173 | return SHA256_Update(EVP_MD_CTX_md_data(ctx), data, count); |
0f113f3e MC |
174 | } |
175 | ||
176 | static int final256(EVP_MD_CTX *ctx, unsigned char *md) | |
177 | { | |
6e59a892 | 178 | return SHA256_Final(md, EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
179 | } |
180 | ||
181 | static const EVP_MD sha224_md = { | |
182 | NID_sha224, | |
183 | NID_sha224WithRSAEncryption, | |
184 | SHA224_DIGEST_LENGTH, | |
7f572e95 | 185 | EVP_MD_FLAG_DIGALGID_ABSENT, |
0f113f3e MC |
186 | init224, |
187 | update256, | |
188 | final256, | |
189 | NULL, | |
190 | NULL, | |
0f113f3e MC |
191 | SHA256_CBLOCK, |
192 | sizeof(EVP_MD *) + sizeof(SHA256_CTX), | |
193 | }; | |
31c2ac1c AP |
194 | |
195 | const EVP_MD *EVP_sha224(void) | |
0f113f3e MC |
196 | { |
197 | return (&sha224_md); | |
198 | } | |
199 | ||
200 | static const EVP_MD sha256_md = { | |
201 | NID_sha256, | |
202 | NID_sha256WithRSAEncryption, | |
203 | SHA256_DIGEST_LENGTH, | |
7f572e95 | 204 | EVP_MD_FLAG_DIGALGID_ABSENT, |
0f113f3e MC |
205 | init256, |
206 | update256, | |
207 | final256, | |
208 | NULL, | |
209 | NULL, | |
0f113f3e MC |
210 | SHA256_CBLOCK, |
211 | sizeof(EVP_MD *) + sizeof(SHA256_CTX), | |
212 | }; | |
31c2ac1c AP |
213 | |
214 | const EVP_MD *EVP_sha256(void) | |
0f113f3e MC |
215 | { |
216 | return (&sha256_md); | |
217 | } | |
31c2ac1c | 218 | |
31c2ac1c | 219 | static int init384(EVP_MD_CTX *ctx) |
0f113f3e | 220 | { |
6e59a892 | 221 | return SHA384_Init(EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
222 | } |
223 | ||
31c2ac1c | 224 | static int init512(EVP_MD_CTX *ctx) |
0f113f3e | 225 | { |
6e59a892 | 226 | return SHA512_Init(EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
227 | } |
228 | ||
31c2ac1c | 229 | /* See comment in SHA224/256 section */ |
0f113f3e MC |
230 | static int update512(EVP_MD_CTX *ctx, const void *data, size_t count) |
231 | { | |
6e59a892 | 232 | return SHA512_Update(EVP_MD_CTX_md_data(ctx), data, count); |
0f113f3e MC |
233 | } |
234 | ||
235 | static int final512(EVP_MD_CTX *ctx, unsigned char *md) | |
236 | { | |
6e59a892 | 237 | return SHA512_Final(md, EVP_MD_CTX_md_data(ctx)); |
0f113f3e MC |
238 | } |
239 | ||
240 | static const EVP_MD sha384_md = { | |
241 | NID_sha384, | |
242 | NID_sha384WithRSAEncryption, | |
243 | SHA384_DIGEST_LENGTH, | |
7f572e95 | 244 | EVP_MD_FLAG_DIGALGID_ABSENT, |
0f113f3e MC |
245 | init384, |
246 | update512, | |
247 | final512, | |
248 | NULL, | |
249 | NULL, | |
0f113f3e MC |
250 | SHA512_CBLOCK, |
251 | sizeof(EVP_MD *) + sizeof(SHA512_CTX), | |
252 | }; | |
31c2ac1c AP |
253 | |
254 | const EVP_MD *EVP_sha384(void) | |
0f113f3e MC |
255 | { |
256 | return (&sha384_md); | |
257 | } | |
258 | ||
259 | static const EVP_MD sha512_md = { | |
260 | NID_sha512, | |
261 | NID_sha512WithRSAEncryption, | |
262 | SHA512_DIGEST_LENGTH, | |
7f572e95 | 263 | EVP_MD_FLAG_DIGALGID_ABSENT, |
0f113f3e MC |
264 | init512, |
265 | update512, | |
266 | final512, | |
267 | NULL, | |
268 | NULL, | |
0f113f3e MC |
269 | SHA512_CBLOCK, |
270 | sizeof(EVP_MD *) + sizeof(SHA512_CTX), | |
271 | }; | |
31c2ac1c AP |
272 | |
273 | const EVP_MD *EVP_sha512(void) | |
0f113f3e MC |
274 | { |
275 | return (&sha512_md); | |
276 | } |