Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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; |
Alexandre Savard | 7541067 | 2012-08-08 09:50:01 -0400 | [diff] [blame] | 76 | extern const EVP_PKEY_METHOD ec_pkey_meth, hmac_pkey_meth; |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 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, |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 93 | }; |
| 94 | |
| 95 | DECLARE_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *, |
| 96 | pmeth); |
| 97 | |
| 98 | static int pmeth_cmp(const EVP_PKEY_METHOD * const *a, |
| 99 | const EVP_PKEY_METHOD * const *b) |
| 100 | { |
| 101 | return ((*a)->pkey_id - (*b)->pkey_id); |
| 102 | } |
| 103 | |
| 104 | IMPLEMENT_OBJ_BSEARCH_CMP_FN(const EVP_PKEY_METHOD *, const EVP_PKEY_METHOD *, |
| 105 | pmeth); |
| 106 | |
| 107 | const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type) |
| 108 | { |
| 109 | EVP_PKEY_METHOD tmp; |
| 110 | const EVP_PKEY_METHOD *t = &tmp, **ret; |
| 111 | tmp.pkey_id = type; |
| 112 | if (app_pkey_methods) |
| 113 | { |
| 114 | int idx; |
| 115 | idx = sk_EVP_PKEY_METHOD_find(app_pkey_methods, &tmp); |
| 116 | if (idx >= 0) |
| 117 | return sk_EVP_PKEY_METHOD_value(app_pkey_methods, idx); |
| 118 | } |
| 119 | ret = OBJ_bsearch_pmeth(&t, standard_methods, |
| 120 | sizeof(standard_methods)/sizeof(EVP_PKEY_METHOD *)); |
| 121 | if (!ret || !*ret) |
| 122 | return NULL; |
| 123 | return *ret; |
| 124 | } |
| 125 | |
| 126 | static EVP_PKEY_CTX *int_ctx_new(EVP_PKEY *pkey, ENGINE *e, int id) |
| 127 | { |
| 128 | EVP_PKEY_CTX *ret; |
| 129 | const EVP_PKEY_METHOD *pmeth; |
| 130 | if (id == -1) |
| 131 | { |
| 132 | if (!pkey || !pkey->ameth) |
| 133 | return NULL; |
| 134 | id = pkey->ameth->pkey_id; |
| 135 | } |
| 136 | #ifndef OPENSSL_NO_ENGINE |
| 137 | if (pkey && pkey->engine) |
| 138 | e = pkey->engine; |
| 139 | /* Try to find an ENGINE which implements this method */ |
| 140 | if (e) |
| 141 | { |
| 142 | if (!ENGINE_init(e)) |
| 143 | { |
| 144 | EVPerr(EVP_F_INT_CTX_NEW,ERR_R_ENGINE_LIB); |
| 145 | return NULL; |
| 146 | } |
| 147 | } |
| 148 | else |
| 149 | e = ENGINE_get_pkey_meth_engine(id); |
| 150 | |
| 151 | /* If an ENGINE handled this method look it up. Othewise |
| 152 | * use internal tables. |
| 153 | */ |
| 154 | |
| 155 | if (e) |
| 156 | pmeth = ENGINE_get_pkey_meth(e, id); |
| 157 | else |
| 158 | #endif |
| 159 | pmeth = EVP_PKEY_meth_find(id); |
| 160 | |
| 161 | if (pmeth == NULL) |
| 162 | { |
| 163 | EVPerr(EVP_F_INT_CTX_NEW,EVP_R_UNSUPPORTED_ALGORITHM); |
| 164 | return NULL; |
| 165 | } |
| 166 | |
| 167 | ret = OPENSSL_malloc(sizeof(EVP_PKEY_CTX)); |
| 168 | if (!ret) |
| 169 | { |
| 170 | #ifndef OPENSSL_NO_ENGINE |
| 171 | if (e) |
| 172 | ENGINE_finish(e); |
| 173 | #endif |
| 174 | EVPerr(EVP_F_INT_CTX_NEW,ERR_R_MALLOC_FAILURE); |
| 175 | return NULL; |
| 176 | } |
| 177 | ret->engine = e; |
| 178 | ret->pmeth = pmeth; |
| 179 | ret->operation = EVP_PKEY_OP_UNDEFINED; |
| 180 | ret->pkey = pkey; |
| 181 | ret->peerkey = NULL; |
| 182 | ret->pkey_gencb = 0; |
| 183 | if (pkey) |
| 184 | CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY); |
| 185 | ret->data = NULL; |
| 186 | |
| 187 | if (pmeth->init) |
| 188 | { |
| 189 | if (pmeth->init(ret) <= 0) |
| 190 | { |
| 191 | EVP_PKEY_CTX_free(ret); |
| 192 | return NULL; |
| 193 | } |
| 194 | } |
| 195 | |
| 196 | return ret; |
| 197 | } |
| 198 | |
| 199 | EVP_PKEY_METHOD* EVP_PKEY_meth_new(int id, int flags) |
| 200 | { |
| 201 | EVP_PKEY_METHOD *pmeth; |
| 202 | pmeth = OPENSSL_malloc(sizeof(EVP_PKEY_METHOD)); |
| 203 | if (!pmeth) |
| 204 | return NULL; |
| 205 | |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 206 | pmeth->pkey_id = id; |
| 207 | pmeth->flags = flags | EVP_PKEY_FLAG_DYNAMIC; |
| 208 | |
| 209 | pmeth->init = 0; |
| 210 | pmeth->copy = 0; |
| 211 | pmeth->cleanup = 0; |
| 212 | pmeth->paramgen_init = 0; |
| 213 | pmeth->paramgen = 0; |
| 214 | pmeth->keygen_init = 0; |
| 215 | pmeth->keygen = 0; |
| 216 | pmeth->sign_init = 0; |
| 217 | pmeth->sign = 0; |
| 218 | pmeth->verify_init = 0; |
| 219 | pmeth->verify = 0; |
| 220 | pmeth->verify_recover_init = 0; |
| 221 | pmeth->verify_recover = 0; |
| 222 | pmeth->signctx_init = 0; |
| 223 | pmeth->signctx = 0; |
| 224 | pmeth->verifyctx_init = 0; |
| 225 | pmeth->verifyctx = 0; |
| 226 | pmeth->encrypt_init = 0; |
| 227 | pmeth->encrypt = 0; |
| 228 | pmeth->decrypt_init = 0; |
| 229 | pmeth->decrypt = 0; |
| 230 | pmeth->derive_init = 0; |
| 231 | pmeth->derive = 0; |
| 232 | pmeth->ctrl = 0; |
| 233 | pmeth->ctrl_str = 0; |
| 234 | |
| 235 | return pmeth; |
| 236 | } |
| 237 | |
Alexandre Savard | 1b09e31 | 2012-08-07 20:33:29 -0400 | [diff] [blame] | 238 | void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth) |
| 239 | { |
| 240 | if (pmeth && (pmeth->flags & EVP_PKEY_FLAG_DYNAMIC)) |
| 241 | OPENSSL_free(pmeth); |
| 242 | } |
| 243 | |
| 244 | EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e) |
| 245 | { |
| 246 | return int_ctx_new(pkey, e, -1); |
| 247 | } |
| 248 | |
| 249 | EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e) |
| 250 | { |
| 251 | return int_ctx_new(NULL, e, id); |
| 252 | } |
| 253 | |
| 254 | EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *pctx) |
| 255 | { |
| 256 | EVP_PKEY_CTX *rctx; |
| 257 | if (!pctx->pmeth || !pctx->pmeth->copy) |
| 258 | return NULL; |
| 259 | #ifndef OPENSSL_NO_ENGINE |
| 260 | /* Make sure it's safe to copy a pkey context using an ENGINE */ |
| 261 | if (pctx->engine && !ENGINE_init(pctx->engine)) |
| 262 | { |
| 263 | EVPerr(EVP_F_EVP_PKEY_CTX_DUP,ERR_R_ENGINE_LIB); |
| 264 | return 0; |
| 265 | } |
| 266 | #endif |
| 267 | rctx = OPENSSL_malloc(sizeof(EVP_PKEY_CTX)); |
| 268 | if (!rctx) |
| 269 | return NULL; |
| 270 | |
| 271 | rctx->pmeth = pctx->pmeth; |
| 272 | #ifndef OPENSSL_NO_ENGINE |
| 273 | rctx->engine = pctx->engine; |
| 274 | #endif |
| 275 | |
| 276 | if (pctx->pkey) |
| 277 | CRYPTO_add(&pctx->pkey->references,1,CRYPTO_LOCK_EVP_PKEY); |
| 278 | |
| 279 | rctx->pkey = pctx->pkey; |
| 280 | |
| 281 | if (pctx->peerkey) |
| 282 | CRYPTO_add(&pctx->peerkey->references,1,CRYPTO_LOCK_EVP_PKEY); |
| 283 | |
| 284 | rctx->peerkey = pctx->peerkey; |
| 285 | |
| 286 | rctx->data = NULL; |
| 287 | rctx->app_data = NULL; |
| 288 | rctx->operation = pctx->operation; |
| 289 | |
| 290 | if (pctx->pmeth->copy(rctx, pctx) > 0) |
| 291 | return rctx; |
| 292 | |
| 293 | EVP_PKEY_CTX_free(rctx); |
| 294 | return NULL; |
| 295 | |
| 296 | } |
| 297 | |
| 298 | int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth) |
| 299 | { |
| 300 | if (app_pkey_methods == NULL) |
| 301 | { |
| 302 | app_pkey_methods = sk_EVP_PKEY_METHOD_new(pmeth_cmp); |
| 303 | if (!app_pkey_methods) |
| 304 | return 0; |
| 305 | } |
| 306 | if (!sk_EVP_PKEY_METHOD_push(app_pkey_methods, pmeth)) |
| 307 | return 0; |
| 308 | sk_EVP_PKEY_METHOD_sort(app_pkey_methods); |
| 309 | return 1; |
| 310 | } |
| 311 | |
| 312 | void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx) |
| 313 | { |
| 314 | if (ctx == NULL) |
| 315 | return; |
| 316 | if (ctx->pmeth && ctx->pmeth->cleanup) |
| 317 | ctx->pmeth->cleanup(ctx); |
| 318 | if (ctx->pkey) |
| 319 | EVP_PKEY_free(ctx->pkey); |
| 320 | if (ctx->peerkey) |
| 321 | EVP_PKEY_free(ctx->peerkey); |
| 322 | #ifndef OPENSSL_NO_ENGINE |
| 323 | if(ctx->engine) |
| 324 | /* The EVP_PKEY_CTX we used belongs to an ENGINE, release the |
| 325 | * functional reference we held for this reason. */ |
| 326 | ENGINE_finish(ctx->engine); |
| 327 | #endif |
| 328 | OPENSSL_free(ctx); |
| 329 | } |
| 330 | |
| 331 | int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype, |
| 332 | int cmd, int p1, void *p2) |
| 333 | { |
| 334 | int ret; |
| 335 | if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl) |
| 336 | { |
| 337 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); |
| 338 | return -2; |
| 339 | } |
| 340 | if ((keytype != -1) && (ctx->pmeth->pkey_id != keytype)) |
| 341 | return -1; |
| 342 | |
| 343 | if (ctx->operation == EVP_PKEY_OP_UNDEFINED) |
| 344 | { |
| 345 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_NO_OPERATION_SET); |
| 346 | return -1; |
| 347 | } |
| 348 | |
| 349 | if ((optype != -1) && !(ctx->operation & optype)) |
| 350 | { |
| 351 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_INVALID_OPERATION); |
| 352 | return -1; |
| 353 | } |
| 354 | |
| 355 | ret = ctx->pmeth->ctrl(ctx, cmd, p1, p2); |
| 356 | |
| 357 | if (ret == -2) |
| 358 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL, EVP_R_COMMAND_NOT_SUPPORTED); |
| 359 | |
| 360 | return ret; |
| 361 | |
| 362 | } |
| 363 | |
| 364 | int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, |
| 365 | const char *name, const char *value) |
| 366 | { |
| 367 | if (!ctx || !ctx->pmeth || !ctx->pmeth->ctrl_str) |
| 368 | { |
| 369 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, |
| 370 | EVP_R_COMMAND_NOT_SUPPORTED); |
| 371 | return -2; |
| 372 | } |
| 373 | if (!strcmp(name, "digest")) |
| 374 | { |
| 375 | const EVP_MD *md; |
| 376 | if (!value || !(md = EVP_get_digestbyname(value))) |
| 377 | { |
| 378 | EVPerr(EVP_F_EVP_PKEY_CTX_CTRL_STR, |
| 379 | EVP_R_INVALID_DIGEST); |
| 380 | return 0; |
| 381 | } |
| 382 | return EVP_PKEY_CTX_set_signature_md(ctx, md); |
| 383 | } |
| 384 | return ctx->pmeth->ctrl_str(ctx, name, value); |
| 385 | } |
| 386 | |
| 387 | int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx) |
| 388 | { |
| 389 | return ctx->operation; |
| 390 | } |
| 391 | |
| 392 | void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen) |
| 393 | { |
| 394 | ctx->keygen_info = dat; |
| 395 | ctx->keygen_info_count = datlen; |
| 396 | } |
| 397 | |
| 398 | void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data) |
| 399 | { |
| 400 | ctx->data = data; |
| 401 | } |
| 402 | |
| 403 | void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx) |
| 404 | { |
| 405 | return ctx->data; |
| 406 | } |
| 407 | |
| 408 | EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx) |
| 409 | { |
| 410 | return ctx->pkey; |
| 411 | } |
| 412 | |
| 413 | EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx) |
| 414 | { |
| 415 | return ctx->peerkey; |
| 416 | } |
| 417 | |
| 418 | void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data) |
| 419 | { |
| 420 | ctx->app_data = data; |
| 421 | } |
| 422 | |
| 423 | void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx) |
| 424 | { |
| 425 | return ctx->app_data; |
| 426 | } |
| 427 | |
| 428 | void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth, |
| 429 | int (*init)(EVP_PKEY_CTX *ctx)) |
| 430 | { |
| 431 | pmeth->init = init; |
| 432 | } |
| 433 | |
| 434 | void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, |
| 435 | int (*copy)(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)) |
| 436 | { |
| 437 | pmeth->copy = copy; |
| 438 | } |
| 439 | |
| 440 | void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, |
| 441 | void (*cleanup)(EVP_PKEY_CTX *ctx)) |
| 442 | { |
| 443 | pmeth->cleanup = cleanup; |
| 444 | } |
| 445 | |
| 446 | void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, |
| 447 | int (*paramgen_init)(EVP_PKEY_CTX *ctx), |
| 448 | int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)) |
| 449 | { |
| 450 | pmeth->paramgen_init = paramgen_init; |
| 451 | pmeth->paramgen = paramgen; |
| 452 | } |
| 453 | |
| 454 | void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, |
| 455 | int (*keygen_init)(EVP_PKEY_CTX *ctx), |
| 456 | int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)) |
| 457 | { |
| 458 | pmeth->keygen_init = keygen_init; |
| 459 | pmeth->keygen = keygen; |
| 460 | } |
| 461 | |
| 462 | void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, |
| 463 | int (*sign_init)(EVP_PKEY_CTX *ctx), |
| 464 | int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, |
| 465 | const unsigned char *tbs, size_t tbslen)) |
| 466 | { |
| 467 | pmeth->sign_init = sign_init; |
| 468 | pmeth->sign = sign; |
| 469 | } |
| 470 | |
| 471 | void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, |
| 472 | int (*verify_init)(EVP_PKEY_CTX *ctx), |
| 473 | int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen, |
| 474 | const unsigned char *tbs, size_t tbslen)) |
| 475 | { |
| 476 | pmeth->verify_init = verify_init; |
| 477 | pmeth->verify = verify; |
| 478 | } |
| 479 | |
| 480 | void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, |
| 481 | int (*verify_recover_init)(EVP_PKEY_CTX *ctx), |
| 482 | int (*verify_recover)(EVP_PKEY_CTX *ctx, |
| 483 | unsigned char *sig, size_t *siglen, |
| 484 | const unsigned char *tbs, size_t tbslen)) |
| 485 | { |
| 486 | pmeth->verify_recover_init = verify_recover_init; |
| 487 | pmeth->verify_recover = verify_recover; |
| 488 | } |
| 489 | |
| 490 | void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, |
| 491 | int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), |
| 492 | int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, |
| 493 | EVP_MD_CTX *mctx)) |
| 494 | { |
| 495 | pmeth->signctx_init = signctx_init; |
| 496 | pmeth->signctx = signctx; |
| 497 | } |
| 498 | |
| 499 | void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, |
| 500 | int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx), |
| 501 | int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,int siglen, |
| 502 | EVP_MD_CTX *mctx)) |
| 503 | { |
| 504 | pmeth->verifyctx_init = verifyctx_init; |
| 505 | pmeth->verifyctx = verifyctx; |
| 506 | } |
| 507 | |
| 508 | void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, |
| 509 | int (*encrypt_init)(EVP_PKEY_CTX *ctx), |
| 510 | int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, |
| 511 | const unsigned char *in, size_t inlen)) |
| 512 | { |
| 513 | pmeth->encrypt_init = encrypt_init; |
| 514 | pmeth->encrypt = encryptfn; |
| 515 | } |
| 516 | |
| 517 | void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, |
| 518 | int (*decrypt_init)(EVP_PKEY_CTX *ctx), |
| 519 | int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen, |
| 520 | const unsigned char *in, size_t inlen)) |
| 521 | { |
| 522 | pmeth->decrypt_init = decrypt_init; |
| 523 | pmeth->decrypt = decrypt; |
| 524 | } |
| 525 | |
| 526 | void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, |
| 527 | int (*derive_init)(EVP_PKEY_CTX *ctx), |
| 528 | int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)) |
| 529 | { |
| 530 | pmeth->derive_init = derive_init; |
| 531 | pmeth->derive = derive; |
| 532 | } |
| 533 | |
| 534 | void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, |
| 535 | int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2), |
| 536 | int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value)) |
| 537 | { |
| 538 | pmeth->ctrl = ctrl; |
| 539 | pmeth->ctrl_str = ctrl_str; |
| 540 | } |