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| 1 /* pmeth_lib.c */ | |
| 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
| 3 * project 2006. | |
| 4 */ | |
| 5 /* ==================================================================== | |
| 6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved. | |
| 7 * | |
| 8 * Redistribution and use in source and binary forms, with or without | |
| 9 * modification, are permitted provided that the following conditions | |
| 10 * are met: | |
| 11 * | |
| 12 * 1. Redistributions of source code must retain the above copyright | |
| 13 * notice, this list of conditions and the following disclaimer. | |
| 14 * | |
| 15 * 2. Redistributions in binary form must reproduce the above copyright | |
| 16 * notice, this list of conditions and the following disclaimer in | |
| 17 * the documentation and/or other materials provided with the | |
| 18 * distribution. | |
| 19 * | |
| 20 * 3. All advertising materials mentioning features or use of this | |
| 21 * software must display the following acknowledgment: | |
| 22 * "This product includes software developed by the OpenSSL Project | |
| 23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
| 24 * | |
| 25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 26 * endorse or promote products derived from this software without | |
| 27 * prior written permission. For written permission, please contact | |
| 28 * licensing@OpenSSL.org. | |
| 29 * | |
| 30 * 5. Products derived from this software may not be called "OpenSSL" | |
| 31 * nor may "OpenSSL" appear in their names without prior written | |
| 32 * permission of the OpenSSL Project. | |
| 33 * | |
| 34 * 6. Redistributions of any form whatsoever must retain the following | |
| 35 * acknowledgment: | |
| 36 * "This product includes software developed by the OpenSSL Project | |
| 37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
| 38 * | |
| 39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 50 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 51 * ==================================================================== | |
| 52 * | |
| 53 * This product includes cryptographic software written by Eric Young | |
| 54 * (eay@cryptsoft.com). This product includes software written by Tim | |
| 55 * Hudson (tjh@cryptsoft.com). | |
| 56 * | |
| 57 */ | |
| 58 | |
| 59 #include <stdio.h> | |
| 60 #include <stdlib.h> | |
| 61 #include "cryptlib.h" | |
| 62 #include <openssl/objects.h> | |
| 63 #include <openssl/evp.h> | |
| 64 #ifndef OPENSSL_NO_ENGINE | |
| 65 #include <openssl/engine.h> | |
| 66 #endif | |
| 67 #include "asn1_locl.h" | |
| 68 #include "evp_locl.h" | |
| 69 | |
| 70 typedef int sk_cmp_fn_type(const char * const *a, const char * const *b); | |
| 71 | |
| 72 DECLARE_STACK_OF(EVP_PKEY_METHOD) | |
| 73 STACK_OF(EVP_PKEY_METHOD) *app_pkey_methods = NULL; | |
| 74 | |
| 75 extern const EVP_PKEY_METHOD rsa_pkey_meth, dh_pkey_meth, dsa_pkey_meth; | |
| 76 extern const EVP_PKEY_METHOD ec_pkey_meth, hmac_pkey_meth, cmac_pkey_meth; | |
| 77 | |
| 78 static const EVP_PKEY_METHOD *standard_methods[] = | |
| 79 { | |
| 80 #ifndef OPENSSL_NO_RSA | |
| 81 &rsa_pkey_meth, | |
| 82 #endif | |
| 83 #ifndef OPENSSL_NO_DH | |
| 84 &dh_pkey_meth, | |
| 85 #endif | |
| 86 #ifndef OPENSSL_NO_DSA | |
| 87 &dsa_pkey_meth, | |
| 88 #endif | |
| 89 #ifndef OPENSSL_NO_EC | |
| 90 &ec_pkey_meth, | |
| 91 #endif | |
| 92 &hmac_pkey_meth, | |
| 93 &cmac_pkey_meth | |
| 94 }; | |
| 95 | |
| 96 DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *, | |
| 97 pmeth); | |
| 98 | |
| 99 static int pmeth_cmp(const EVP_PKEY_METHOD * const *a, | |
| 100 const EVP_PKEY_METHOD * const *b) | |
| 101 { | |
| 102 return ((*a)->pkey_id - (*b)->pkey_id); | |
| 103 } | |
| 104 | |
| 105 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *, | |
| 106 pmeth); | |
| 107 | |
| 108 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type) | |
| 109 { | |
| 110 EVP_PKEY_METHOD tmp; | |
| 111 const EVP_PKEY_METHOD *t = &tmp, **ret; | |
| 112 tmp.pkey_id = type; | |
| 113 if (app_pkey_methods) | |
| 114 { | |
| 115 int idx; | |
| 116 idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp); | |
| 117 if (idx >= 0) | |
| 118 return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); | |
| 119 } | |
| 120 ret = OBJ_bsearch_pmeth(&t, standard_methods, | |
| 121 sizeof(standard_methods)/sizeof(EVP_PKEY_METHOD *)); | |
| 122 if (!ret || !*ret) | |
| 123 return NULL; | |
| 124 return *ret; | |
| 125 } | |
| 126 | |
| 127 static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id) | |
| 128 { | |
| 129 EVP_PKEY_CTX *ret; | |
| 130 const EVP_PKEY_METHOD *pmeth; | |
| 131 if (id == -1) | |
| 132 { | |
| 133 if (!pkey || !pkey->ameth) | |
| 134 return NULL; | |
| 135 id = pkey->ameth->pkey_id; | |
| 136 } | |
| 137 #ifndef OPENSSL_NO_ENGINE | |
| 138 if (pkey && pkey->engine) | |
| 139 e = pkey->engine; | |
| 140 /* Try to find an ENGINE which implements this method */ | |
| 141 if (e) | |
| 142 { | |
| 143 if (!ENGINE_init(e)) | |
| 144 { | |
| 145 EVPerr(EVP_F_INT_CTX_NEW,ERR_R_ENGINE_LIB); | |
| 146 return NULL; | |
| 147 } | |
| 148 } | |
| 149 else | |
| 150 e = ENGINE_get_pkey_meth_engine(id); | |
| 151 | |
| 152 /* If an ENGINE handled this method look it up. Othewise | |
| 153 * use internal tables. | |
| 154 */ | |
| 155 | |
| 156 if (e) | |
| 157 pmeth = ENGINE_get_pkey_meth(e, id); | |
| 158 else | |
| 159 #endif | |
| 160 pmeth = EVP_PKEY_meth_find(id); | |
| 161 | |
| 162 if (pmeth == NULL) | |
| 163 { | |
| 164 EVPerr(EVP_F_INT_CTX_NEW,EVP_R_UNSUPPORTED_ALGORITHM); | |
| 165 return NULL; | |
| 166 } | |
| 167 | |
| 168 ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX)); | |
| 169 if (!ret) | |
| 170 { | |
| 171 #ifndef OPENSSL_NO_ENGINE | |
| 172 if (e) | |
| 173 ENGINE_finish(e); | |
| 174 #endif | |
| 175 EVPerr(EVP_F_INT_CTX_NEW,ERR_R_MALLOC_FAILURE); | |
| 176 return NULL; | |
| 177 } | |
| 178 ret->engine = e; | |
| 179 ret->pmeth = pmeth; | |
| 180 ret->operation = EVP_PKEY_OP_UNDEFINED; | |
| 181 ret->pkey = pkey; | |
| 182 ret->peerkey = NULL; | |
| 183 ret->pkey_gencb = 0; | |
| 184 if (pkey) | |
| 185 CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY); | |
| 186 ret->data = NULL; | |
| 187 | |
| 188 if (pmeth->init) | |
| 189 { | |
| 190 if (pmeth->init(ret) <= 0) | |
| 191 { | |
| 192 EVP_PKEY_CTX_free(ret); | |
| 193 return NULL; | |
| 194 } | |
| 195 } | |
| 196 | |
| 197 return ret; | |
| 198 } | |
| 199 | |
| 200 EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags) | |
| 201 { | |
| 202 EVP_PKEY_METHOD *pmeth; | |
| 203 pmeth = OPENSSL_malloc(sizeof(EVP_PKEY_METHOD)); | |
| 204 if (!pmeth) | |
| 205 return NULL; | |
| 206 | |
| 207 memset(pmeth, 0, sizeof(EVP_PKEY_METHOD)); | |
| 208 | |
| 209 pmeth->pkey_id = id; | |
| 210 pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC; | |
| 211 | |
| 212 pmeth->init = 0; | |
| 213 pmeth->copy = 0; | |
| 214 pmeth->cleanup = 0; | |
| 215 pmeth->paramgen_init = 0; | |
| 216 pmeth->paramgen = 0; | |
| 217 pmeth->keygen_init = 0; | |
| 218 pmeth->keygen = 0; | |
| 219 pmeth->sign_init = 0; | |
| 220 pmeth->sign = 0; | |
| 221 pmeth->verify_init = 0; | |
| 222 pmeth->verify = 0; | |
| 223 pmeth->verify_recover_init = 0; | |
| 224 pmeth->verify_recover = 0; | |
| 225 pmeth->signctx_init = 0; | |
| 226 pmeth->signctx = 0; | |
| 227 pmeth->verifyctx_init = 0; | |
| 228 pmeth->verifyctx = 0; | |
| 229 pmeth->encrypt_init = 0; | |
| 230 pmeth->encrypt = 0; | |
| 231 pmeth->decrypt_init = 0; | |
| 232 pmeth->decrypt = 0; | |
| 233 pmeth->derive_init = 0; | |
| 234 pmeth->derive = 0; | |
| 235 pmeth->ctrl = 0; | |
| 236 pmeth->ctrl_str = 0; | |
| 237 | |
| 238 return pmeth; | |
| 239 } | |
| 240 | |
| 241 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags, | |
| 242 const EVP_PKEY_METHOD *meth) | |
| 243 { | |
| 244 if (ppkey_id) | |
| 245 *ppkey_id = meth->pkey_id; | |
| 246 if (pflags) | |
| 247 *pflags = meth->flags; | |
| 248 } | |
| 249 | |
| 250 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src) | |
| 251 { | |
| 252 | |
| 253 dst->init = src->init; | |
| 254 dst->copy = src->copy; | |
| 255 dst->cleanup = src->cleanup; | |
| 256 | |
| 257 dst->paramgen_init = src->paramgen_init; | |
| 258 dst->paramgen = src->paramgen; | |
| 259 | |
| 260 dst->keygen_init = src->keygen_init; | |
| 261 dst->keygen = src->keygen; | |
| 262 | |
| 263 dst->sign_init = src->sign_init; | |
| 264 dst->sign = src->sign; | |
| 265 | |
| 266 dst->verify_init = src->verify_init; | |
| 267 dst->verify = src->verify; | |
| 268 | |
| 269 dst->verify_recover_init = src->verify_recover_init; | |
| 270 dst->verify_recover = src->verify_recover; | |
| 271 | |
| 272 dst->signctx_init = src->signctx_init; | |
| 273 dst->signctx = src->signctx; | |
| 274 | |
| 275 dst->verifyctx_init = src->verifyctx_init; | |
| 276 dst->verifyctx = src->verifyctx; | |
| 277 | |
| 278 dst->encrypt_init = src->encrypt_init; | |
| 279 dst->encrypt = src->encrypt; | |
| 280 | |
| 281 dst->decrypt_init = src->decrypt_init; | |
| 282 dst->decrypt = src->decrypt; | |
| 283 | |
| 284 dst->derive_init = src->derive_init; | |
| 285 dst->derive = src->derive; | |
| 286 | |
| 287 dst->ctrl = src->ctrl; | |
| 288 dst->ctrl_str = src->ctrl_str; | |
| 289 } | |
| 290 | |
| 291 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth) | |
| 292 { | |
| 293 if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC)) | |
| 294 OPENSSL_free(pmeth); | |
| 295 } | |
| 296 | |
| 297 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e) | |
| 298 { | |
| 299 return int_ctx_new(pkey, e, -1); | |
| 300 } | |
| 301 | |
| 302 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e) | |
| 303 { | |
| 304 return int_ctx_new(NULL, e, id); | |
| 305 } | |
| 306 | |
| 307 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx) | |
| 308 { | |
| 309 EVP_PKEY_CTX *rctx; | |
| 310 if (!pctx->pmeth || !pctx->pmeth->copy) | |
| 311 return NULL; | |
| 312 #ifndef OPENSSL_NO_ENGINE | |
| 313 /* Make sure it's safe to copy a pkey context using an ENGINE */ | |
| 314 if (pctx->engine && !ENGINE_init(pctx->engine)) | |
| 315 { | |
| 316 EVPerr(EVP_F_EVP_PKEY_CTX_DUP,ERR_R_ENGINE_LIB); | |
| 317 return 0; | |
| 318 } | |
| 319 #endif | |
| 320 rctx = OPENSSL_malloc(sizeof(EVP_PKEY_CTX)); | |
| 321 if (!rctx) | |
| 322 return NULL; | |
| 323 | |
| 324 rctx->pmeth = pctx->pmeth; | |
| 325 #ifndef OPENSSL_NO_ENGINE | |
| 326 rctx->engine = pctx->engine; | |
| 327 #endif | |
| 328 | |
| 329 if (pctx->pkey) | |
| 330 CRYPTO_add(&pctx->pkey->references,1,CRYPTO_LOCK_EVP_PKEY); | |
| 331 | |
| 332 rctx->pkey = pctx->pkey; | |
| 333 | |
| 334 if (pctx->peerkey) | |
| 335 CRYPTO_add(&pctx->peerkey->references,1,CRYPTO_LOCK_EVP_PKEY); | |
| 336 | |
| 337 rctx->peerkey = pctx->peerkey; | |
| 338 | |
| 339 rctx->data = NULL; | |
| 340 rctx->app_data = NULL; | |
| 341 rctx->operation = pctx->operation; | |
| 342 | |
| 343 if (pctx->pmeth->copy(rctx, pctx) > 0) | |
| 344 return rctx; | |
| 345 | |
| 346 EVP_PKEY_CTX_free(rctx); | |
| 347 return NULL; | |
| 348 | |
| 349 } | |
| 350 | |
| 351 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth) | |
| 352 { | |
| 353 if (app_pkey_methods == NULL) | |
| 354 { | |
| 355 app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp); | |
| 356 if (!app_pkey_methods) | |
| 357 return 0; | |
| 358 } | |
| 359 if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) | |
| 360 return 0; | |
| 361 sk_EVP_PKEY_METHOD_sort(app_pkey_methods); | |
| 362 return 1; | |
| 363 } | |
| 364 | |
| 365 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx) | |
| 366 { | |
| 367 if (ctx == NULL) | |
| 368 return; | |
| 369 if (ctx->pmeth && ctx->pmeth->cleanup) | |
| 370 ctx->pmeth->cleanup(ctx); | |
| 371 if (ctx->pkey) | |
| 372 EVP_PKEY_free(ctx->pkey); | |
| 373 if (ctx->peerkey) | |
| 374 EVP_PKEY_free(ctx->peerkey); | |
| 375 #ifndef OPENSSL_NO_ENGINE | |
| 376 if(ctx->engine) | |
| 377 /* The EVP_PKEY_CTX we used belongs to an ENGINE, release the | |
| 378 * functional reference we held for this reason. */ | |
| 379 ENGINE_finish(ctx->engine); | |
| 380 #endif | |
| 381 OPENSSL_free(ctx); | |
| 382 } | |
| 383 | |
| 384 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, | |
| 385 int cmd, int p1, void *p2) | |
| 386 { | |
| 387 int ret; | |
| 388 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) | |
| 389 { | |
| 390 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); | |
| 391 return -2; | |
| 392 } | |
| 393 if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype)) | |
| 394 return -1; | |
| 395 | |
| 396 if (ctx->operation == EVP_PKEY_OP_UNDEFINED) | |
| 397 { | |
| 398 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET); | |
| 399 return -1; | |
| 400 } | |
| 401 | |
| 402 if ((optype != -1) && !(ctx->operation & optype)) | |
| 403 { | |
| 404 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION); | |
| 405 return -1; | |
| 406 } | |
| 407 | |
| 408 ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2); | |
| 409 | |
| 410 if (ret == -2) | |
| 411 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); | |
| 412 | |
| 413 return ret; | |
| 414 | |
| 415 } | |
| 416 | |
| 417 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, | |
| 418 const char *name, const char *value) | |
| 419 { | |
| 420 if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) | |
| 421 { | |
| 422 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, | |
| 423 EVP_R_COMMAND_NOT_SUPPORTED); | |
| 424 return -2; | |
| 425 } | |
| 426 if (!strcmp(name, "digest")) | |
| 427 { | |
| 428 const EVP_MD *md; | |
| 429 if (!value || !(md = EVP_get_digestbyname(value))) | |
| 430 { | |
| 431 EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, | |
| 432 EVP_R_INVALID_DIGEST); | |
| 433 return 0; | |
| 434 } | |
| 435 return EVP_PKEY_CTX_set_signature_md(ctx, md); | |
| 436 } | |
| 437 return ctx->pmeth->ctrl_str(ctx, name, value); | |
| 438 } | |
| 439 | |
| 440 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx) | |
| 441 { | |
| 442 return ctx->operation; | |
| 443 } | |
| 444 | |
| 445 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen) | |
| 446 { | |
| 447 ctx->keygen_info = dat; | |
| 448 ctx->keygen_info_count = datlen; | |
| 449 } | |
| 450 | |
| 451 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data) | |
| 452 { | |
| 453 ctx->data = data; | |
| 454 } | |
| 455 | |
| 456 void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx) | |
| 457 { | |
| 458 return ctx->data; | |
| 459 } | |
| 460 | |
| 461 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx) | |
| 462 { | |
| 463 return ctx->pkey; | |
| 464 } | |
| 465 | |
| 466 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx) | |
| 467 { | |
| 468 return ctx->peerkey; | |
| 469 } | |
| 470 | |
| 471 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data) | |
| 472 { | |
| 473 ctx->app_data = data; | |
| 474 } | |
| 475 | |
| 476 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx) | |
| 477 { | |
| 478 return ctx->app_data; | |
| 479 } | |
| 480 | |
| 481 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, | |
| 482 int (*init)(EVP_PKEY_CTX *ctx)) | |
| 483 { | |
| 484 pmeth->init = init; | |
| 485 } | |
| 486 | |
| 487 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, | |
| 488 int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)) | |
| 489 { | |
| 490 pmeth->copy = copy; | |
| 491 } | |
| 492 | |
| 493 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, | |
| 494 void (*cleanup)(EVP_PKEY_CTX *ctx)) | |
| 495 { | |
| 496 pmeth->cleanup = cleanup; | |
| 497 } | |
| 498 | |
| 499 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, | |
| 500 int (*paramgen_init)(EVP_PKEY_CTX *ctx), | |
| 501 int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)) | |
| 502 { | |
| 503 pmeth->paramgen_init = paramgen_init; | |
| 504 pmeth->paramgen = paramgen; | |
| 505 } | |
| 506 | |
| 507 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, | |
| 508 int (*keygen_init)(EVP_PKEY_CTX *ctx), | |
| 509 int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)) | |
| 510 { | |
| 511 pmeth->keygen_init = keygen_init; | |
| 512 pmeth->keygen = keygen; | |
| 513 } | |
| 514 | |
| 515 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, | |
| 516 int (*sign_init)(EVP_PKEY_CTX *ctx), | |
| 517 int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
| 518 const unsigned char *tbs, size_t tbslen)
) | |
| 519 { | |
| 520 pmeth->sign_init = sign_init; | |
| 521 pmeth->sign = sign; | |
| 522 } | |
| 523 | |
| 524 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, | |
| 525 int (*verify_init)(EVP_PKEY_CTX *ctx), | |
| 526 int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen
, | |
| 527 const unsigned char *tbs, size_t tbslen)
) | |
| 528 { | |
| 529 pmeth->verify_init = verify_init; | |
| 530 pmeth->verify = verify; | |
| 531 } | |
| 532 | |
| 533 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, | |
| 534 int (*verify_recover_init)(EVP_PKEY_CTX *ctx), | |
| 535 int (*verify_recover)(EVP_PKEY_CTX *ctx, | |
| 536 unsigned char *sig, size_t *siglen, | |
| 537 const unsigned char *tbs, size_t tbslen)
) | |
| 538 { | |
| 539 pmeth->verify_recover_init = verify_recover_init; | |
| 540 pmeth->verify_recover = verify_recover; | |
| 541 } | |
| 542 | |
| 543 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, | |
| 544 int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), | |
| 545 int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, | |
| 546 EVP_MD_CTX *mctx)) | |
| 547 { | |
| 548 pmeth->signctx_init = signctx_init; | |
| 549 pmeth->signctx = signctx; | |
| 550 } | |
| 551 | |
| 552 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, | |
| 553 int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), | |
| 554 int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen, | |
| 555 EVP_MD_CTX *mctx)) | |
| 556 { | |
| 557 pmeth->verifyctx_init = verifyctx_init; | |
| 558 pmeth->verifyctx = verifyctx; | |
| 559 } | |
| 560 | |
| 561 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, | |
| 562 int (*encrypt_init)(EVP_PKEY_CTX *ctx), | |
| 563 int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
| 564 const unsigned char *in, size_t inlen)) | |
| 565 { | |
| 566 pmeth->encrypt_init = encrypt_init; | |
| 567 pmeth->encrypt = encryptfn; | |
| 568 } | |
| 569 | |
| 570 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, | |
| 571 int (*decrypt_init)(EVP_PKEY_CTX *ctx), | |
| 572 int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, | |
| 573 const unsigned char *in, size_t inlen)) | |
| 574 { | |
| 575 pmeth->decrypt_init = decrypt_init; | |
| 576 pmeth->decrypt = decrypt; | |
| 577 } | |
| 578 | |
| 579 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, | |
| 580 int (*derive_init)(EVP_PKEY_CTX *ctx), | |
| 581 int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)) | |
| 582 { | |
| 583 pmeth->derive_init = derive_init; | |
| 584 pmeth->derive = derive; | |
| 585 } | |
| 586 | |
| 587 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, | |
| 588 int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2), | |
| 589 int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value)) | |
| 590 { | |
| 591 pmeth->ctrl = ctrl; | |
| 592 pmeth->ctrl_str = ctrl_str; | |
| 593 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master