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author | cvs2svn <admin@example.com> | 2004-03-22 14:57:04 +0000 |
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committer | cvs2svn <admin@example.com> | 2004-03-22 14:57:04 +0000 |
commit | 8e32b76f8c63e27a8c61f3e7d76a05ce1f419061 (patch) | |
tree | 03dad5c33d913f60f2a0a8df81dfdfb65788c5d9 /src/lib/libcrypto/evp/digest.c | |
parent | c051a3c4a24fa90cc755059f99d5c2e7131d5ca7 (diff) | |
download | openbsd-OPENBSD_3_5_BASE.tar.gz openbsd-OPENBSD_3_5_BASE.tar.bz2 openbsd-OPENBSD_3_5_BASE.zip |
This commit was manufactured by cvs2git to create tag 'OPENBSD_3_5_BASE'.OPENBSD_3_5_BASE
Diffstat (limited to 'src/lib/libcrypto/evp/digest.c')
-rw-r--r-- | src/lib/libcrypto/evp/digest.c | 325 |
1 files changed, 0 insertions, 325 deletions
diff --git a/src/lib/libcrypto/evp/digest.c b/src/lib/libcrypto/evp/digest.c deleted file mode 100644 index b22eed4421..0000000000 --- a/src/lib/libcrypto/evp/digest.c +++ /dev/null | |||
@@ -1,325 +0,0 @@ | |||
1 | /* crypto/evp/digest.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 | * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. | ||
60 | * | ||
61 | * Redistribution and use in source and binary forms, with or without | ||
62 | * modification, are permitted provided that the following conditions | ||
63 | * are met: | ||
64 | * | ||
65 | * 1. Redistributions of source code must retain the above copyright | ||
66 | * notice, this list of conditions and the following disclaimer. | ||
67 | * | ||
68 | * 2. Redistributions in binary form must reproduce the above copyright | ||
69 | * notice, this list of conditions and the following disclaimer in | ||
70 | * the documentation and/or other materials provided with the | ||
71 | * distribution. | ||
72 | * | ||
73 | * 3. All advertising materials mentioning features or use of this | ||
74 | * software must display the following acknowledgment: | ||
75 | * "This product includes software developed by the OpenSSL Project | ||
76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
77 | * | ||
78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
79 | * endorse or promote products derived from this software without | ||
80 | * prior written permission. For written permission, please contact | ||
81 | * openssl-core@openssl.org. | ||
82 | * | ||
83 | * 5. Products derived from this software may not be called "OpenSSL" | ||
84 | * nor may "OpenSSL" appear in their names without prior written | ||
85 | * permission of the OpenSSL Project. | ||
86 | * | ||
87 | * 6. Redistributions of any form whatsoever must retain the following | ||
88 | * acknowledgment: | ||
89 | * "This product includes software developed by the OpenSSL Project | ||
90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
91 | * | ||
92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
104 | * ==================================================================== | ||
105 | * | ||
106 | * This product includes cryptographic software written by Eric Young | ||
107 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
108 | * Hudson (tjh@cryptsoft.com). | ||
109 | * | ||
110 | */ | ||
111 | |||
112 | #include <stdio.h> | ||
113 | #include "cryptlib.h" | ||
114 | #include <openssl/objects.h> | ||
115 | #include <openssl/evp.h> | ||
116 | #ifndef OPENSSL_NO_ENGINE | ||
117 | #include <openssl/engine.h> | ||
118 | #endif | ||
119 | |||
120 | void EVP_MD_CTX_init(EVP_MD_CTX *ctx) | ||
121 | { | ||
122 | memset(ctx,'\0',sizeof *ctx); | ||
123 | } | ||
124 | |||
125 | EVP_MD_CTX *EVP_MD_CTX_create(void) | ||
126 | { | ||
127 | EVP_MD_CTX *ctx=OPENSSL_malloc(sizeof *ctx); | ||
128 | |||
129 | EVP_MD_CTX_init(ctx); | ||
130 | |||
131 | return ctx; | ||
132 | } | ||
133 | |||
134 | int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type) | ||
135 | { | ||
136 | EVP_MD_CTX_init(ctx); | ||
137 | return EVP_DigestInit_ex(ctx, type, NULL); | ||
138 | } | ||
139 | |||
140 | int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl) | ||
141 | { | ||
142 | EVP_MD_CTX_clear_flags(ctx,EVP_MD_CTX_FLAG_CLEANED); | ||
143 | #ifndef OPENSSL_NO_ENGINE | ||
144 | /* Whether it's nice or not, "Inits" can be used on "Final"'d contexts | ||
145 | * so this context may already have an ENGINE! Try to avoid releasing | ||
146 | * the previous handle, re-querying for an ENGINE, and having a | ||
147 | * reinitialisation, when it may all be unecessary. */ | ||
148 | if (ctx->engine && ctx->digest && (!type || | ||
149 | (type && (type->type == ctx->digest->type)))) | ||
150 | goto skip_to_init; | ||
151 | if (type) | ||
152 | { | ||
153 | /* Ensure an ENGINE left lying around from last time is cleared | ||
154 | * (the previous check attempted to avoid this if the same | ||
155 | * ENGINE and EVP_MD could be used). */ | ||
156 | if(ctx->engine) | ||
157 | ENGINE_finish(ctx->engine); | ||
158 | if(impl) | ||
159 | { | ||
160 | if (!ENGINE_init(impl)) | ||
161 | { | ||
162 | EVPerr(EVP_F_EVP_DIGESTINIT, EVP_R_INITIALIZATION_ERROR); | ||
163 | return 0; | ||
164 | } | ||
165 | } | ||
166 | else | ||
167 | /* Ask if an ENGINE is reserved for this job */ | ||
168 | impl = ENGINE_get_digest_engine(type->type); | ||
169 | if(impl) | ||
170 | { | ||
171 | /* There's an ENGINE for this job ... (apparently) */ | ||
172 | const EVP_MD *d = ENGINE_get_digest(impl, type->type); | ||
173 | if(!d) | ||
174 | { | ||
175 | /* Same comment from evp_enc.c */ | ||
176 | EVPerr(EVP_F_EVP_DIGESTINIT, EVP_R_INITIALIZATION_ERROR); | ||
177 | return 0; | ||
178 | } | ||
179 | /* We'll use the ENGINE's private digest definition */ | ||
180 | type = d; | ||
181 | /* Store the ENGINE functional reference so we know | ||
182 | * 'type' came from an ENGINE and we need to release | ||
183 | * it when done. */ | ||
184 | ctx->engine = impl; | ||
185 | } | ||
186 | else | ||
187 | ctx->engine = NULL; | ||
188 | } | ||
189 | else | ||
190 | if(!ctx->digest) | ||
191 | { | ||
192 | EVPerr(EVP_F_EVP_DIGESTINIT, EVP_R_NO_DIGEST_SET); | ||
193 | return 0; | ||
194 | } | ||
195 | #endif | ||
196 | if (ctx->digest != type) | ||
197 | { | ||
198 | if (ctx->digest && ctx->digest->ctx_size) | ||
199 | OPENSSL_free(ctx->md_data); | ||
200 | ctx->digest=type; | ||
201 | if (type->ctx_size) | ||
202 | ctx->md_data=OPENSSL_malloc(type->ctx_size); | ||
203 | } | ||
204 | #ifndef OPENSSL_NO_ENGINE | ||
205 | skip_to_init: | ||
206 | #endif | ||
207 | return ctx->digest->init(ctx); | ||
208 | } | ||
209 | |||
210 | int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, | ||
211 | unsigned int count) | ||
212 | { | ||
213 | return ctx->digest->update(ctx,data,(unsigned long)count); | ||
214 | } | ||
215 | |||
216 | /* The caller can assume that this removes any secret data from the context */ | ||
217 | int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) | ||
218 | { | ||
219 | int ret; | ||
220 | ret = EVP_DigestFinal_ex(ctx, md, size); | ||
221 | EVP_MD_CTX_cleanup(ctx); | ||
222 | return ret; | ||
223 | } | ||
224 | |||
225 | /* The caller can assume that this removes any secret data from the context */ | ||
226 | int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) | ||
227 | { | ||
228 | int ret; | ||
229 | |||
230 | OPENSSL_assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE); | ||
231 | ret=ctx->digest->final(ctx,md); | ||
232 | if (size != NULL) | ||
233 | *size=ctx->digest->md_size; | ||
234 | if (ctx->digest->cleanup) | ||
235 | { | ||
236 | ctx->digest->cleanup(ctx); | ||
237 | EVP_MD_CTX_set_flags(ctx,EVP_MD_CTX_FLAG_CLEANED); | ||
238 | } | ||
239 | memset(ctx->md_data,0,ctx->digest->ctx_size); | ||
240 | return ret; | ||
241 | } | ||
242 | |||
243 | int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in) | ||
244 | { | ||
245 | EVP_MD_CTX_init(out); | ||
246 | return EVP_MD_CTX_copy_ex(out, in); | ||
247 | } | ||
248 | |||
249 | int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in) | ||
250 | { | ||
251 | if ((in == NULL) || (in->digest == NULL)) | ||
252 | { | ||
253 | EVPerr(EVP_F_EVP_MD_CTX_COPY,EVP_R_INPUT_NOT_INITIALIZED); | ||
254 | return 0; | ||
255 | } | ||
256 | #ifndef OPENSSL_NO_ENGINE | ||
257 | /* Make sure it's safe to copy a digest context using an ENGINE */ | ||
258 | if (in->engine && !ENGINE_init(in->engine)) | ||
259 | { | ||
260 | EVPerr(EVP_F_EVP_MD_CTX_COPY,ERR_R_ENGINE_LIB); | ||
261 | return 0; | ||
262 | } | ||
263 | #endif | ||
264 | |||
265 | EVP_MD_CTX_cleanup(out); | ||
266 | memcpy(out,in,sizeof *out); | ||
267 | |||
268 | if (out->digest->ctx_size) | ||
269 | { | ||
270 | out->md_data=OPENSSL_malloc(out->digest->ctx_size); | ||
271 | memcpy(out->md_data,in->md_data,out->digest->ctx_size); | ||
272 | } | ||
273 | |||
274 | if (out->digest->copy) | ||
275 | return out->digest->copy(out,in); | ||
276 | |||
277 | return 1; | ||
278 | } | ||
279 | |||
280 | int EVP_Digest(void *data, unsigned int count, | ||
281 | unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl) | ||
282 | { | ||
283 | EVP_MD_CTX ctx; | ||
284 | int ret; | ||
285 | |||
286 | EVP_MD_CTX_init(&ctx); | ||
287 | EVP_MD_CTX_set_flags(&ctx,EVP_MD_CTX_FLAG_ONESHOT); | ||
288 | ret=EVP_DigestInit_ex(&ctx, type, impl) | ||
289 | && EVP_DigestUpdate(&ctx, data, count) | ||
290 | && EVP_DigestFinal_ex(&ctx, md, size); | ||
291 | EVP_MD_CTX_cleanup(&ctx); | ||
292 | |||
293 | return ret; | ||
294 | } | ||
295 | |||
296 | void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx) | ||
297 | { | ||
298 | EVP_MD_CTX_cleanup(ctx); | ||
299 | OPENSSL_free(ctx); | ||
300 | } | ||
301 | |||
302 | /* This call frees resources associated with the context */ | ||
303 | int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx) | ||
304 | { | ||
305 | /* Don't assume ctx->md_data was cleaned in EVP_Digest_Final, | ||
306 | * because sometimes only copies of the context are ever finalised. | ||
307 | */ | ||
308 | if (ctx->digest && ctx->digest->cleanup | ||
309 | && !EVP_MD_CTX_test_flags(ctx,EVP_MD_CTX_FLAG_CLEANED)) | ||
310 | ctx->digest->cleanup(ctx); | ||
311 | if (ctx->digest && ctx->digest->ctx_size && ctx->md_data) | ||
312 | { | ||
313 | OPENSSL_cleanse(ctx->md_data,ctx->digest->ctx_size); | ||
314 | OPENSSL_free(ctx->md_data); | ||
315 | } | ||
316 | #ifndef OPENSSL_NO_ENGINE | ||
317 | if(ctx->engine) | ||
318 | /* The EVP_MD we used belongs to an ENGINE, release the | ||
319 | * functional reference we held for this reason. */ | ||
320 | ENGINE_finish(ctx->engine); | ||
321 | #endif | ||
322 | memset(ctx,'\0',sizeof *ctx); | ||
323 | |||
324 | return 1; | ||
325 | } | ||