diff options
author | jsing <> | 2014-05-03 15:50:24 +0000 |
---|---|---|
committer | jsing <> | 2014-05-03 15:50:24 +0000 |
commit | d7f470a7ef3c6db76e177079e2cbfe887f2861b6 (patch) | |
tree | 286aeaeed949a347596bf9f8e18012b9982760a9 /src/lib/libcrypto/evp/digest.c | |
parent | c068ce427d4525ce31189b2feb96a7ef18568758 (diff) | |
download | openbsd-d7f470a7ef3c6db76e177079e2cbfe887f2861b6.tar.gz openbsd-d7f470a7ef3c6db76e177079e2cbfe887f2861b6.tar.bz2 openbsd-d7f470a7ef3c6db76e177079e2cbfe887f2861b6.zip |
KNF.
Diffstat (limited to 'src/lib/libcrypto/evp/digest.c')
-rw-r--r-- | src/lib/libcrypto/evp/digest.c | 273 |
1 files changed, 133 insertions, 140 deletions
diff --git a/src/lib/libcrypto/evp/digest.c b/src/lib/libcrypto/evp/digest.c index 2fae68ef5e..238030820c 100644 --- a/src/lib/libcrypto/evp/digest.c +++ b/src/lib/libcrypto/evp/digest.c | |||
@@ -5,21 +5,21 @@ | |||
5 | * This package is an SSL implementation written | 5 | * This package is an SSL implementation written |
6 | * by Eric Young (eay@cryptsoft.com). | 6 | * by Eric Young (eay@cryptsoft.com). |
7 | * The implementation was written so as to conform with Netscapes SSL. | 7 | * The implementation was written so as to conform with Netscapes SSL. |
8 | * | 8 | * |
9 | * This library is free for commercial and non-commercial use as long as | 9 | * This library is free for commercial and non-commercial use as long as |
10 | * the following conditions are aheared to. The following conditions | 10 | * the following conditions are aheared to. The following conditions |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | 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 | 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 | 13 | * included with this distribution is covered by the same copyright terms |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | 14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
15 | * | 15 | * |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | 16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
17 | * the code are not to be removed. | 17 | * the code are not to be removed. |
18 | * If this package is used in a product, Eric Young should be given attribution | 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. | 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 | 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. | 21 | * in documentation (online or textual) provided with the package. |
22 | * | 22 | * |
23 | * Redistribution and use in source and binary forms, with or without | 23 | * Redistribution and use in source and binary forms, with or without |
24 | * modification, are permitted provided that the following conditions | 24 | * modification, are permitted provided that the following conditions |
25 | * are met: | 25 | * are met: |
@@ -34,10 +34,10 @@ | |||
34 | * Eric Young (eay@cryptsoft.com)" | 34 | * Eric Young (eay@cryptsoft.com)" |
35 | * The word 'cryptographic' can be left out if the rouines from the library | 35 | * The word 'cryptographic' can be left out if the rouines from the library |
36 | * being used are not cryptographic related :-). | 36 | * being used are not cryptographic related :-). |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | 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: | 38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | 39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
40 | * | 40 | * |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | 41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
@@ -49,7 +49,7 @@ | |||
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 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 | 50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
51 | * SUCH DAMAGE. | 51 | * SUCH DAMAGE. |
52 | * | 52 | * |
53 | * The licence and distribution terms for any publically available version or | 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 | 54 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
55 | * copied and put under another distribution licence | 55 | * copied and put under another distribution licence |
@@ -63,7 +63,7 @@ | |||
63 | * are met: | 63 | * are met: |
64 | * | 64 | * |
65 | * 1. Redistributions of source code must retain the above copyright | 65 | * 1. Redistributions of source code must retain the above copyright |
66 | * notice, this list of conditions and the following disclaimer. | 66 | * notice, this list of conditions and the following disclaimer. |
67 | * | 67 | * |
68 | * 2. Redistributions in binary form must reproduce the above copyright | 68 | * 2. Redistributions in binary form must reproduce the above copyright |
69 | * notice, this list of conditions and the following disclaimer in | 69 | * notice, this list of conditions and the following disclaimer in |
@@ -117,264 +117,257 @@ | |||
117 | #include <openssl/engine.h> | 117 | #include <openssl/engine.h> |
118 | #endif | 118 | #endif |
119 | 119 | ||
120 | void EVP_MD_CTX_init(EVP_MD_CTX *ctx) | 120 | void |
121 | { | 121 | EVP_MD_CTX_init(EVP_MD_CTX *ctx) |
122 | memset(ctx,'\0',sizeof *ctx); | 122 | { |
123 | } | 123 | memset(ctx, '\0', sizeof *ctx); |
124 | } | ||
124 | 125 | ||
125 | EVP_MD_CTX *EVP_MD_CTX_create(void) | 126 | EVP_MD_CTX * |
126 | { | 127 | EVP_MD_CTX_create(void) |
127 | EVP_MD_CTX *ctx=malloc(sizeof *ctx); | 128 | { |
129 | EVP_MD_CTX *ctx = malloc(sizeof *ctx); | ||
128 | 130 | ||
129 | if (ctx) | 131 | if (ctx) |
130 | EVP_MD_CTX_init(ctx); | 132 | EVP_MD_CTX_init(ctx); |
131 | 133 | ||
132 | return ctx; | 134 | return ctx; |
133 | } | 135 | } |
134 | 136 | ||
135 | int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type) | 137 | int |
136 | { | 138 | EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type) |
139 | { | ||
137 | EVP_MD_CTX_init(ctx); | 140 | EVP_MD_CTX_init(ctx); |
138 | return EVP_DigestInit_ex(ctx, type, NULL); | 141 | return EVP_DigestInit_ex(ctx, type, NULL); |
139 | } | 142 | } |
143 | |||
144 | int | ||
145 | EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl) | ||
146 | { | ||
147 | EVP_MD_CTX_clear_flags(ctx, EVP_MD_CTX_FLAG_CLEANED); | ||
140 | 148 | ||
141 | int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl) | ||
142 | { | ||
143 | EVP_MD_CTX_clear_flags(ctx,EVP_MD_CTX_FLAG_CLEANED); | ||
144 | #ifndef OPENSSL_NO_ENGINE | 149 | #ifndef OPENSSL_NO_ENGINE |
145 | /* Whether it's nice or not, "Inits" can be used on "Final"'d contexts | 150 | /* Whether it's nice or not, "Inits" can be used on "Final"'d contexts |
146 | * so this context may already have an ENGINE! Try to avoid releasing | 151 | * so this context may already have an ENGINE! Try to avoid releasing |
147 | * the previous handle, re-querying for an ENGINE, and having a | 152 | * the previous handle, re-querying for an ENGINE, and having a |
148 | * reinitialisation, when it may all be unecessary. */ | 153 | * reinitialisation, when it may all be unecessary. */ |
149 | if (ctx->engine && ctx->digest && (!type || | 154 | if (ctx->engine && ctx->digest && (!type || |
150 | (type && (type->type == ctx->digest->type)))) | 155 | (type && (type->type == ctx->digest->type)))) |
151 | goto skip_to_init; | 156 | goto skip_to_init; |
152 | if (type) | 157 | if (type) { |
153 | { | ||
154 | /* Ensure an ENGINE left lying around from last time is cleared | 158 | /* Ensure an ENGINE left lying around from last time is cleared |
155 | * (the previous check attempted to avoid this if the same | 159 | * (the previous check attempted to avoid this if the same |
156 | * ENGINE and EVP_MD could be used). */ | 160 | * ENGINE and EVP_MD could be used). */ |
157 | if(ctx->engine) | 161 | if (ctx->engine) |
158 | ENGINE_finish(ctx->engine); | 162 | ENGINE_finish(ctx->engine); |
159 | if(impl) | 163 | if (impl) { |
160 | { | 164 | if (!ENGINE_init(impl)) { |
161 | if (!ENGINE_init(impl)) | 165 | EVPerr(EVP_F_EVP_DIGESTINIT_EX, |
162 | { | 166 | EVP_R_INITIALIZATION_ERROR); |
163 | EVPerr(EVP_F_EVP_DIGESTINIT_EX,EVP_R_INITIALIZATION_ERROR); | ||
164 | return 0; | 167 | return 0; |
165 | } | ||
166 | } | 168 | } |
167 | else | 169 | } else |
168 | /* Ask if an ENGINE is reserved for this job */ | 170 | /* Ask if an ENGINE is reserved for this job */ |
169 | impl = ENGINE_get_digest_engine(type->type); | 171 | impl = ENGINE_get_digest_engine(type->type); |
170 | if(impl) | 172 | if (impl) { |
171 | { | ||
172 | /* There's an ENGINE for this job ... (apparently) */ | 173 | /* There's an ENGINE for this job ... (apparently) */ |
173 | const EVP_MD *d = ENGINE_get_digest(impl, type->type); | 174 | const EVP_MD *d = ENGINE_get_digest(impl, type->type); |
174 | if(!d) | 175 | if (!d) { |
175 | { | ||
176 | /* Same comment from evp_enc.c */ | 176 | /* Same comment from evp_enc.c */ |
177 | EVPerr(EVP_F_EVP_DIGESTINIT_EX,EVP_R_INITIALIZATION_ERROR); | 177 | EVPerr(EVP_F_EVP_DIGESTINIT_EX, |
178 | EVP_R_INITIALIZATION_ERROR); | ||
178 | ENGINE_finish(impl); | 179 | ENGINE_finish(impl); |
179 | return 0; | 180 | return 0; |
180 | } | 181 | } |
181 | /* We'll use the ENGINE's private digest definition */ | 182 | /* We'll use the ENGINE's private digest definition */ |
182 | type = d; | 183 | type = d; |
183 | /* Store the ENGINE functional reference so we know | 184 | /* Store the ENGINE functional reference so we know |
184 | * 'type' came from an ENGINE and we need to release | 185 | * 'type' came from an ENGINE and we need to release |
185 | * it when done. */ | 186 | * it when done. */ |
186 | ctx->engine = impl; | 187 | ctx->engine = impl; |
187 | } | 188 | } else |
188 | else | ||
189 | ctx->engine = NULL; | 189 | ctx->engine = NULL; |
190 | } | 190 | } else if (!ctx->digest) { |
191 | else | 191 | EVPerr(EVP_F_EVP_DIGESTINIT_EX, EVP_R_NO_DIGEST_SET); |
192 | if(!ctx->digest) | ||
193 | { | ||
194 | EVPerr(EVP_F_EVP_DIGESTINIT_EX,EVP_R_NO_DIGEST_SET); | ||
195 | return 0; | 192 | return 0; |
196 | } | 193 | } |
197 | #endif | 194 | #endif |
198 | if (ctx->digest != type) | 195 | if (ctx->digest != type) { |
199 | { | ||
200 | if (ctx->digest && ctx->digest->ctx_size) | 196 | if (ctx->digest && ctx->digest->ctx_size) |
201 | free(ctx->md_data); | 197 | free(ctx->md_data); |
202 | ctx->digest=type; | 198 | ctx->digest = type; |
203 | if (!(ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) && type->ctx_size) | 199 | if (!(ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) && type->ctx_size) { |
204 | { | ||
205 | ctx->update = type->update; | 200 | ctx->update = type->update; |
206 | ctx->md_data=malloc(type->ctx_size); | 201 | ctx->md_data = malloc(type->ctx_size); |
207 | if (ctx->md_data == NULL) | 202 | if (ctx->md_data == NULL) { |
208 | { | ||
209 | EVPerr(EVP_F_EVP_DIGESTINIT_EX, | 203 | EVPerr(EVP_F_EVP_DIGESTINIT_EX, |
210 | ERR_R_MALLOC_FAILURE); | 204 | ERR_R_MALLOC_FAILURE); |
211 | return 0; | 205 | return 0; |
212 | } | ||
213 | } | 206 | } |
214 | } | 207 | } |
208 | } | ||
215 | #ifndef OPENSSL_NO_ENGINE | 209 | #ifndef OPENSSL_NO_ENGINE |
216 | skip_to_init: | 210 | skip_to_init: |
217 | #endif | 211 | #endif |
218 | if (ctx->pctx) | 212 | if (ctx->pctx) { |
219 | { | ||
220 | int r; | 213 | int r; |
221 | r = EVP_PKEY_CTX_ctrl(ctx->pctx, -1, EVP_PKEY_OP_TYPE_SIG, | 214 | r = EVP_PKEY_CTX_ctrl(ctx->pctx, -1, EVP_PKEY_OP_TYPE_SIG, |
222 | EVP_PKEY_CTRL_DIGESTINIT, 0, ctx); | 215 | EVP_PKEY_CTRL_DIGESTINIT, 0, ctx); |
223 | if (r <= 0 && (r != -2)) | 216 | if (r <= 0 && (r != -2)) |
224 | return 0; | 217 | return 0; |
225 | } | 218 | } |
226 | if (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) | 219 | if (ctx->flags & EVP_MD_CTX_FLAG_NO_INIT) |
227 | return 1; | 220 | return 1; |
228 | return ctx->digest->init(ctx); | 221 | return ctx->digest->init(ctx); |
229 | } | 222 | } |
230 | 223 | ||
231 | int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count) | 224 | int |
232 | { | 225 | EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *data, size_t count) |
233 | return ctx->update(ctx,data,count); | 226 | { |
234 | } | 227 | return ctx->update(ctx, data, count); |
228 | } | ||
235 | 229 | ||
236 | /* The caller can assume that this removes any secret data from the context */ | 230 | /* The caller can assume that this removes any secret data from the context */ |
237 | int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) | 231 | int |
238 | { | 232 | EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) |
233 | { | ||
239 | int ret; | 234 | int ret; |
235 | |||
240 | ret = EVP_DigestFinal_ex(ctx, md, size); | 236 | ret = EVP_DigestFinal_ex(ctx, md, size); |
241 | EVP_MD_CTX_cleanup(ctx); | 237 | EVP_MD_CTX_cleanup(ctx); |
242 | return ret; | 238 | return ret; |
243 | } | 239 | } |
244 | 240 | ||
245 | /* The caller can assume that this removes any secret data from the context */ | 241 | /* The caller can assume that this removes any secret data from the context */ |
246 | int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) | 242 | int |
247 | { | 243 | EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *size) |
244 | { | ||
248 | int ret; | 245 | int ret; |
249 | 246 | ||
250 | OPENSSL_assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE); | 247 | OPENSSL_assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE); |
251 | ret=ctx->digest->final(ctx,md); | 248 | ret = ctx->digest->final(ctx, md); |
252 | if (size != NULL) | 249 | if (size != NULL) |
253 | *size=ctx->digest->md_size; | 250 | *size = ctx->digest->md_size; |
254 | if (ctx->digest->cleanup) | 251 | if (ctx->digest->cleanup) { |
255 | { | ||
256 | ctx->digest->cleanup(ctx); | 252 | ctx->digest->cleanup(ctx); |
257 | EVP_MD_CTX_set_flags(ctx,EVP_MD_CTX_FLAG_CLEANED); | 253 | EVP_MD_CTX_set_flags(ctx, EVP_MD_CTX_FLAG_CLEANED); |
258 | } | ||
259 | memset(ctx->md_data,0,ctx->digest->ctx_size); | ||
260 | return ret; | ||
261 | } | 254 | } |
255 | memset(ctx->md_data, 0, ctx->digest->ctx_size); | ||
256 | return ret; | ||
257 | } | ||
262 | 258 | ||
263 | int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in) | 259 | int |
264 | { | 260 | EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in) |
261 | { | ||
265 | EVP_MD_CTX_init(out); | 262 | EVP_MD_CTX_init(out); |
266 | return EVP_MD_CTX_copy_ex(out, in); | 263 | return EVP_MD_CTX_copy_ex(out, in); |
267 | } | 264 | } |
268 | 265 | ||
269 | int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in) | 266 | int |
270 | { | 267 | EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in) |
268 | { | ||
271 | unsigned char *tmp_buf; | 269 | unsigned char *tmp_buf; |
272 | if ((in == NULL) || (in->digest == NULL)) | 270 | |
273 | { | 271 | if ((in == NULL) || (in->digest == NULL)) { |
274 | EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,EVP_R_INPUT_NOT_INITIALIZED); | 272 | EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, EVP_R_INPUT_NOT_INITIALIZED); |
275 | return 0; | 273 | return 0; |
276 | } | 274 | } |
277 | #ifndef OPENSSL_NO_ENGINE | 275 | #ifndef OPENSSL_NO_ENGINE |
278 | /* Make sure it's safe to copy a digest context using an ENGINE */ | 276 | /* Make sure it's safe to copy a digest context using an ENGINE */ |
279 | if (in->engine && !ENGINE_init(in->engine)) | 277 | if (in->engine && !ENGINE_init(in->engine)) { |
280 | { | 278 | EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, ERR_R_ENGINE_LIB); |
281 | EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,ERR_R_ENGINE_LIB); | ||
282 | return 0; | 279 | return 0; |
283 | } | 280 | } |
284 | #endif | 281 | #endif |
285 | 282 | ||
286 | if (out->digest == in->digest) | 283 | if (out->digest == in->digest) { |
287 | { | ||
288 | tmp_buf = out->md_data; | 284 | tmp_buf = out->md_data; |
289 | EVP_MD_CTX_set_flags(out,EVP_MD_CTX_FLAG_REUSE); | 285 | EVP_MD_CTX_set_flags(out, EVP_MD_CTX_FLAG_REUSE); |
290 | } | 286 | } else |
291 | else tmp_buf = NULL; | 287 | tmp_buf = NULL; |
292 | EVP_MD_CTX_cleanup(out); | 288 | EVP_MD_CTX_cleanup(out); |
293 | memcpy(out,in,sizeof *out); | 289 | memcpy(out, in, sizeof *out); |
294 | 290 | ||
295 | if (in->md_data && out->digest->ctx_size) | 291 | if (in->md_data && out->digest->ctx_size) { |
296 | { | ||
297 | if (tmp_buf) | 292 | if (tmp_buf) |
298 | out->md_data = tmp_buf; | 293 | out->md_data = tmp_buf; |
299 | else | 294 | else { |
300 | { | 295 | out->md_data = malloc(out->digest->ctx_size); |
301 | out->md_data=malloc(out->digest->ctx_size); | 296 | if (!out->md_data) { |
302 | if (!out->md_data) | 297 | EVPerr(EVP_F_EVP_MD_CTX_COPY_EX, |
303 | { | 298 | ERR_R_MALLOC_FAILURE); |
304 | EVPerr(EVP_F_EVP_MD_CTX_COPY_EX,ERR_R_MALLOC_FAILURE); | ||
305 | return 0; | 299 | return 0; |
306 | } | ||
307 | } | 300 | } |
308 | memcpy(out->md_data,in->md_data,out->digest->ctx_size); | ||
309 | } | 301 | } |
302 | memcpy(out->md_data, in->md_data, out->digest->ctx_size); | ||
303 | } | ||
310 | 304 | ||
311 | out->update = in->update; | 305 | out->update = in->update; |
312 | 306 | ||
313 | if (in->pctx) | 307 | if (in->pctx) { |
314 | { | ||
315 | out->pctx = EVP_PKEY_CTX_dup(in->pctx); | 308 | out->pctx = EVP_PKEY_CTX_dup(in->pctx); |
316 | if (!out->pctx) | 309 | if (!out->pctx) { |
317 | { | ||
318 | EVP_MD_CTX_cleanup(out); | 310 | EVP_MD_CTX_cleanup(out); |
319 | return 0; | 311 | return 0; |
320 | } | ||
321 | } | 312 | } |
313 | } | ||
322 | 314 | ||
323 | if (out->digest->copy) | 315 | if (out->digest->copy) |
324 | return out->digest->copy(out,in); | 316 | return out->digest->copy(out, in); |
325 | 317 | ||
326 | return 1; | 318 | return 1; |
327 | } | 319 | } |
328 | 320 | ||
329 | int EVP_Digest(const void *data, size_t count, | 321 | int |
330 | unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl) | 322 | EVP_Digest(const void *data, size_t count, |
331 | { | 323 | unsigned char *md, unsigned int *size, const EVP_MD *type, ENGINE *impl) |
324 | { | ||
332 | EVP_MD_CTX ctx; | 325 | EVP_MD_CTX ctx; |
333 | int ret; | 326 | int ret; |
334 | 327 | ||
335 | EVP_MD_CTX_init(&ctx); | 328 | EVP_MD_CTX_init(&ctx); |
336 | EVP_MD_CTX_set_flags(&ctx,EVP_MD_CTX_FLAG_ONESHOT); | 329 | EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_ONESHOT); |
337 | ret=EVP_DigestInit_ex(&ctx, type, impl) | 330 | ret = EVP_DigestInit_ex(&ctx, type, impl) && |
338 | && EVP_DigestUpdate(&ctx, data, count) | 331 | EVP_DigestUpdate(&ctx, data, count) && |
339 | && EVP_DigestFinal_ex(&ctx, md, size); | 332 | EVP_DigestFinal_ex(&ctx, md, size); |
340 | EVP_MD_CTX_cleanup(&ctx); | 333 | EVP_MD_CTX_cleanup(&ctx); |
341 | 334 | ||
342 | return ret; | 335 | return ret; |
343 | } | 336 | } |
344 | 337 | ||
345 | void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx) | 338 | void |
346 | { | 339 | EVP_MD_CTX_destroy(EVP_MD_CTX *ctx) |
347 | if (ctx) | 340 | { |
348 | { | 341 | if (ctx) { |
349 | EVP_MD_CTX_cleanup(ctx); | 342 | EVP_MD_CTX_cleanup(ctx); |
350 | free(ctx); | 343 | free(ctx); |
351 | } | ||
352 | } | 344 | } |
345 | } | ||
353 | 346 | ||
354 | /* This call frees resources associated with the context */ | 347 | /* This call frees resources associated with the context */ |
355 | int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx) | 348 | int |
356 | { | 349 | EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx) |
350 | { | ||
357 | /* Don't assume ctx->md_data was cleaned in EVP_Digest_Final, | 351 | /* Don't assume ctx->md_data was cleaned in EVP_Digest_Final, |
358 | * because sometimes only copies of the context are ever finalised. | 352 | * because sometimes only copies of the context are ever finalised. |
359 | */ | 353 | */ |
360 | if (ctx->digest && ctx->digest->cleanup | 354 | if (ctx->digest && ctx->digest->cleanup && |
361 | && !EVP_MD_CTX_test_flags(ctx,EVP_MD_CTX_FLAG_CLEANED)) | 355 | !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_CLEANED)) |
362 | ctx->digest->cleanup(ctx); | 356 | ctx->digest->cleanup(ctx); |
363 | if (ctx->digest && ctx->digest->ctx_size && ctx->md_data | 357 | if (ctx->digest && ctx->digest->ctx_size && ctx->md_data && |
364 | && !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) | 358 | !EVP_MD_CTX_test_flags(ctx, EVP_MD_CTX_FLAG_REUSE)) { |
365 | { | 359 | OPENSSL_cleanse(ctx->md_data, ctx->digest->ctx_size); |
366 | OPENSSL_cleanse(ctx->md_data,ctx->digest->ctx_size); | ||
367 | free(ctx->md_data); | 360 | free(ctx->md_data); |
368 | } | 361 | } |
369 | if (ctx->pctx) | 362 | if (ctx->pctx) |
370 | EVP_PKEY_CTX_free(ctx->pctx); | 363 | EVP_PKEY_CTX_free(ctx->pctx); |
371 | #ifndef OPENSSL_NO_ENGINE | 364 | #ifndef OPENSSL_NO_ENGINE |
372 | if(ctx->engine) | 365 | if (ctx->engine) |
373 | /* The EVP_MD we used belongs to an ENGINE, release the | 366 | /* The EVP_MD we used belongs to an ENGINE, release the |
374 | * functional reference we held for this reason. */ | 367 | * functional reference we held for this reason. */ |
375 | ENGINE_finish(ctx->engine); | 368 | ENGINE_finish(ctx->engine); |
376 | #endif | 369 | #endif |
377 | memset(ctx,'\0',sizeof *ctx); | 370 | memset(ctx, '\0', sizeof *ctx); |
378 | 371 | ||
379 | return 1; | 372 | return 1; |
380 | } | 373 | } |