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| 1 /* crypto/ec/ec_key.c */ | |
| 2 /* | |
| 3 * Written by Nils Larsch for the OpenSSL project. | |
| 4 */ | |
| 5 /* ==================================================================== | |
| 6 * Copyright (c) 1998-2005 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 * openssl-core@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 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
| 60 * Portions originally developed by SUN MICROSYSTEMS, INC., and | |
| 61 * contributed to the OpenSSL project. | |
| 62 */ | |
| 63 | |
| 64 #include <string.h> | |
| 65 #include "ec_lcl.h" | |
| 66 #include <openssl/err.h> | |
| 67 #ifdef OPENSSL_FIPS | |
| 68 #include <openssl/fips.h> | |
| 69 #endif | |
| 70 | |
| 71 EC_KEY *EC_KEY_new(void) | |
| 72 { | |
| 73 EC_KEY *ret; | |
| 74 | |
| 75 ret=(EC_KEY *)OPENSSL_malloc(sizeof(EC_KEY)); | |
| 76 if (ret == NULL) | |
| 77 { | |
| 78 ECerr(EC_F_EC_KEY_NEW, ERR_R_MALLOC_FAILURE); | |
| 79 return(NULL); | |
| 80 } | |
| 81 | |
| 82 ret->version = 1; | |
| 83 ret->flags = 0; | |
| 84 ret->group = NULL; | |
| 85 ret->pub_key = NULL; | |
| 86 ret->priv_key= NULL; | |
| 87 ret->enc_flag= 0; | |
| 88 ret->conv_form = POINT_CONVERSION_UNCOMPRESSED; | |
| 89 ret->references= 1; | |
| 90 ret->method_data = NULL; | |
| 91 return(ret); | |
| 92 } | |
| 93 | |
| 94 EC_KEY *EC_KEY_new_by_curve_name(int nid) | |
| 95 { | |
| 96 EC_KEY *ret = EC_KEY_new(); | |
| 97 if (ret == NULL) | |
| 98 return NULL; | |
| 99 ret->group = EC_GROUP_new_by_curve_name(nid); | |
| 100 if (ret->group == NULL) | |
| 101 { | |
| 102 EC_KEY_free(ret); | |
| 103 return NULL; | |
| 104 } | |
| 105 return ret; | |
| 106 } | |
| 107 | |
| 108 void EC_KEY_free(EC_KEY *r) | |
| 109 { | |
| 110 int i; | |
| 111 | |
| 112 if (r == NULL) return; | |
| 113 | |
| 114 i=CRYPTO_add(&r->references,-1,CRYPTO_LOCK_EC); | |
| 115 #ifdef REF_PRINT | |
| 116 REF_PRINT("EC_KEY",r); | |
| 117 #endif | |
| 118 if (i > 0) return; | |
| 119 #ifdef REF_CHECK | |
| 120 if (i < 0) | |
| 121 { | |
| 122 fprintf(stderr,"EC_KEY_free, bad reference count\n"); | |
| 123 abort(); | |
| 124 } | |
| 125 #endif | |
| 126 | |
| 127 if (r->group != NULL) | |
| 128 EC_GROUP_free(r->group); | |
| 129 if (r->pub_key != NULL) | |
| 130 EC_POINT_free(r->pub_key); | |
| 131 if (r->priv_key != NULL) | |
| 132 BN_clear_free(r->priv_key); | |
| 133 | |
| 134 EC_EX_DATA_free_all_data(&r->method_data); | |
| 135 | |
| 136 OPENSSL_cleanse((void *)r, sizeof(EC_KEY)); | |
| 137 | |
| 138 OPENSSL_free(r); | |
| 139 } | |
| 140 | |
| 141 EC_KEY *EC_KEY_copy(EC_KEY *dest, const EC_KEY *src) | |
| 142 { | |
| 143 EC_EXTRA_DATA *d; | |
| 144 | |
| 145 if (dest == NULL || src == NULL) | |
| 146 { | |
| 147 ECerr(EC_F_EC_KEY_COPY, ERR_R_PASSED_NULL_PARAMETER); | |
| 148 return NULL; | |
| 149 } | |
| 150 /* copy the parameters */ | |
| 151 if (src->group) | |
| 152 { | |
| 153 const EC_METHOD *meth = EC_GROUP_method_of(src->group); | |
| 154 /* clear the old group */ | |
| 155 if (dest->group) | |
| 156 EC_GROUP_free(dest->group); | |
| 157 dest->group = EC_GROUP_new(meth); | |
| 158 if (dest->group == NULL) | |
| 159 return NULL; | |
| 160 if (!EC_GROUP_copy(dest->group, src->group)) | |
| 161 return NULL; | |
| 162 } | |
| 163 /* copy the public key */ | |
| 164 if (src->pub_key && src->group) | |
| 165 { | |
| 166 if (dest->pub_key) | |
| 167 EC_POINT_free(dest->pub_key); | |
| 168 dest->pub_key = EC_POINT_new(src->group); | |
| 169 if (dest->pub_key == NULL) | |
| 170 return NULL; | |
| 171 if (!EC_POINT_copy(dest->pub_key, src->pub_key)) | |
| 172 return NULL; | |
| 173 } | |
| 174 /* copy the private key */ | |
| 175 if (src->priv_key) | |
| 176 { | |
| 177 if (dest->priv_key == NULL) | |
| 178 { | |
| 179 dest->priv_key = BN_new(); | |
| 180 if (dest->priv_key == NULL) | |
| 181 return NULL; | |
| 182 } | |
| 183 if (!BN_copy(dest->priv_key, src->priv_key)) | |
| 184 return NULL; | |
| 185 } | |
| 186 /* copy method/extra data */ | |
| 187 EC_EX_DATA_free_all_data(&dest->method_data); | |
| 188 | |
| 189 for (d = src->method_data; d != NULL; d = d->next) | |
| 190 { | |
| 191 void *t = d->dup_func(d->data); | |
| 192 | |
| 193 if (t == NULL) | |
| 194 return 0; | |
| 195 if (!EC_EX_DATA_set_data(&dest->method_data, t, d->dup_func, d->
free_func, d->clear_free_func)) | |
| 196 return 0; | |
| 197 } | |
| 198 | |
| 199 /* copy the rest */ | |
| 200 dest->enc_flag = src->enc_flag; | |
| 201 dest->conv_form = src->conv_form; | |
| 202 dest->version = src->version; | |
| 203 dest->flags = src->flags; | |
| 204 | |
| 205 return dest; | |
| 206 } | |
| 207 | |
| 208 EC_KEY *EC_KEY_dup(const EC_KEY *ec_key) | |
| 209 { | |
| 210 EC_KEY *ret = EC_KEY_new(); | |
| 211 if (ret == NULL) | |
| 212 return NULL; | |
| 213 if (EC_KEY_copy(ret, ec_key) == NULL) | |
| 214 { | |
| 215 EC_KEY_free(ret); | |
| 216 return NULL; | |
| 217 } | |
| 218 return ret; | |
| 219 } | |
| 220 | |
| 221 int EC_KEY_up_ref(EC_KEY *r) | |
| 222 { | |
| 223 int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_EC); | |
| 224 #ifdef REF_PRINT | |
| 225 REF_PRINT("EC_KEY",r); | |
| 226 #endif | |
| 227 #ifdef REF_CHECK | |
| 228 if (i < 2) | |
| 229 { | |
| 230 fprintf(stderr, "EC_KEY_up, bad reference count\n"); | |
| 231 abort(); | |
| 232 } | |
| 233 #endif | |
| 234 return ((i > 1) ? 1 : 0); | |
| 235 } | |
| 236 | |
| 237 int EC_KEY_generate_key(EC_KEY *eckey) | |
| 238 { | |
| 239 int ok = 0; | |
| 240 BN_CTX *ctx = NULL; | |
| 241 BIGNUM *priv_key = NULL, *order = NULL; | |
| 242 EC_POINT *pub_key = NULL; | |
| 243 | |
| 244 #ifdef OPENSSL_FIPS | |
| 245 if (FIPS_mode()) | |
| 246 return FIPS_ec_key_generate_key(eckey); | |
| 247 #endif | |
| 248 | |
| 249 if (!eckey || !eckey->group) | |
| 250 { | |
| 251 ECerr(EC_F_EC_KEY_GENERATE_KEY, ERR_R_PASSED_NULL_PARAMETER); | |
| 252 return 0; | |
| 253 } | |
| 254 | |
| 255 if ((order = BN_new()) == NULL) goto err; | |
| 256 if ((ctx = BN_CTX_new()) == NULL) goto err; | |
| 257 | |
| 258 if (eckey->priv_key == NULL) | |
| 259 { | |
| 260 priv_key = BN_new(); | |
| 261 if (priv_key == NULL) | |
| 262 goto err; | |
| 263 } | |
| 264 else | |
| 265 priv_key = eckey->priv_key; | |
| 266 | |
| 267 if (!EC_GROUP_get_order(eckey->group, order, ctx)) | |
| 268 goto err; | |
| 269 | |
| 270 do | |
| 271 if (!BN_rand_range(priv_key, order)) | |
| 272 goto err; | |
| 273 while (BN_is_zero(priv_key)); | |
| 274 | |
| 275 if (eckey->pub_key == NULL) | |
| 276 { | |
| 277 pub_key = EC_POINT_new(eckey->group); | |
| 278 if (pub_key == NULL) | |
| 279 goto err; | |
| 280 } | |
| 281 else | |
| 282 pub_key = eckey->pub_key; | |
| 283 | |
| 284 if (!EC_POINT_mul(eckey->group, pub_key, priv_key, NULL, NULL, ctx)) | |
| 285 goto err; | |
| 286 | |
| 287 eckey->priv_key = priv_key; | |
| 288 eckey->pub_key = pub_key; | |
| 289 | |
| 290 ok=1; | |
| 291 | |
| 292 err: | |
| 293 if (order) | |
| 294 BN_free(order); | |
| 295 if (pub_key != NULL && eckey->pub_key == NULL) | |
| 296 EC_POINT_free(pub_key); | |
| 297 if (priv_key != NULL && eckey->priv_key == NULL) | |
| 298 BN_free(priv_key); | |
| 299 if (ctx != NULL) | |
| 300 BN_CTX_free(ctx); | |
| 301 return(ok); | |
| 302 } | |
| 303 | |
| 304 int EC_KEY_check_key(const EC_KEY *eckey) | |
| 305 { | |
| 306 int ok = 0; | |
| 307 BN_CTX *ctx = NULL; | |
| 308 const BIGNUM *order = NULL; | |
| 309 EC_POINT *point = NULL; | |
| 310 | |
| 311 if (!eckey || !eckey->group || !eckey->pub_key) | |
| 312 { | |
| 313 ECerr(EC_F_EC_KEY_CHECK_KEY, ERR_R_PASSED_NULL_PARAMETER); | |
| 314 return 0; | |
| 315 } | |
| 316 | |
| 317 if (EC_POINT_is_at_infinity(eckey->group, eckey->pub_key)) | |
| 318 { | |
| 319 ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_POINT_AT_INFINITY); | |
| 320 goto err; | |
| 321 } | |
| 322 | |
| 323 if ((ctx = BN_CTX_new()) == NULL) | |
| 324 goto err; | |
| 325 if ((point = EC_POINT_new(eckey->group)) == NULL) | |
| 326 goto err; | |
| 327 | |
| 328 /* testing whether the pub_key is on the elliptic curve */ | |
| 329 if (!EC_POINT_is_on_curve(eckey->group, eckey->pub_key, ctx)) | |
| 330 { | |
| 331 ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_POINT_IS_NOT_ON_CURVE); | |
| 332 goto err; | |
| 333 } | |
| 334 /* testing whether pub_key * order is the point at infinity */ | |
| 335 order = &eckey->group->order; | |
| 336 if (BN_is_zero(order)) | |
| 337 { | |
| 338 ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_INVALID_GROUP_ORDER); | |
| 339 goto err; | |
| 340 } | |
| 341 if (!EC_POINT_mul(eckey->group, point, NULL, eckey->pub_key, order, ctx)
) | |
| 342 { | |
| 343 ECerr(EC_F_EC_KEY_CHECK_KEY, ERR_R_EC_LIB); | |
| 344 goto err; | |
| 345 } | |
| 346 if (!EC_POINT_is_at_infinity(eckey->group, point)) | |
| 347 { | |
| 348 ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_WRONG_ORDER); | |
| 349 goto err; | |
| 350 } | |
| 351 /* in case the priv_key is present : | |
| 352 * check if generator * priv_key == pub_key | |
| 353 */ | |
| 354 if (eckey->priv_key) | |
| 355 { | |
| 356 if (BN_cmp(eckey->priv_key, order) >= 0) | |
| 357 { | |
| 358 ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_WRONG_ORDER); | |
| 359 goto err; | |
| 360 } | |
| 361 if (!EC_POINT_mul(eckey->group, point, eckey->priv_key, | |
| 362 NULL, NULL, ctx)) | |
| 363 { | |
| 364 ECerr(EC_F_EC_KEY_CHECK_KEY, ERR_R_EC_LIB); | |
| 365 goto err; | |
| 366 } | |
| 367 if (EC_POINT_cmp(eckey->group, point, eckey->pub_key, | |
| 368 ctx) != 0) | |
| 369 { | |
| 370 ECerr(EC_F_EC_KEY_CHECK_KEY, EC_R_INVALID_PRIVATE_KEY); | |
| 371 goto err; | |
| 372 } | |
| 373 } | |
| 374 ok = 1; | |
| 375 err: | |
| 376 if (ctx != NULL) | |
| 377 BN_CTX_free(ctx); | |
| 378 if (point != NULL) | |
| 379 EC_POINT_free(point); | |
| 380 return(ok); | |
| 381 } | |
| 382 | |
| 383 int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x, BIGNUM *y) | |
| 384 { | |
| 385 BN_CTX *ctx = NULL; | |
| 386 BIGNUM *tx, *ty; | |
| 387 EC_POINT *point = NULL; | |
| 388 int ok = 0, tmp_nid, is_char_two = 0; | |
| 389 | |
| 390 if (!key || !key->group || !x || !y) | |
| 391 { | |
| 392 ECerr(EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES, | |
| 393 ERR_R_PASSED_NULL_PARAMETER); | |
| 394 return 0; | |
| 395 } | |
| 396 ctx = BN_CTX_new(); | |
| 397 if (!ctx) | |
| 398 goto err; | |
| 399 | |
| 400 point = EC_POINT_new(key->group); | |
| 401 | |
| 402 if (!point) | |
| 403 goto err; | |
| 404 | |
| 405 tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(key->group)); | |
| 406 | |
| 407 if (tmp_nid == NID_X9_62_characteristic_two_field) | |
| 408 is_char_two = 1; | |
| 409 | |
| 410 tx = BN_CTX_get(ctx); | |
| 411 ty = BN_CTX_get(ctx); | |
| 412 #ifndef OPENSSL_NO_EC2M | |
| 413 if (is_char_two) | |
| 414 { | |
| 415 if (!EC_POINT_set_affine_coordinates_GF2m(key->group, point, | |
| 416 x, y, ctx)) | |
| 417 goto err; | |
| 418 if (!EC_POINT_get_affine_coordinates_GF2m(key->group, point, | |
| 419 tx, ty, ctx)) | |
| 420 goto err; | |
| 421 } | |
| 422 else | |
| 423 #endif | |
| 424 { | |
| 425 if (!EC_POINT_set_affine_coordinates_GFp(key->group, point, | |
| 426 x, y, ctx)) | |
| 427 goto err; | |
| 428 if (!EC_POINT_get_affine_coordinates_GFp(key->group, point, | |
| 429 tx, ty, ctx)) | |
| 430 goto err; | |
| 431 } | |
| 432 /* Check if retrieved coordinates match originals: if not values | |
| 433 * are out of range. | |
| 434 */ | |
| 435 if (BN_cmp(x, tx) || BN_cmp(y, ty)) | |
| 436 { | |
| 437 ECerr(EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES, | |
| 438 EC_R_COORDINATES_OUT_OF_RANGE); | |
| 439 goto err; | |
| 440 } | |
| 441 | |
| 442 if (!EC_KEY_set_public_key(key, point)) | |
| 443 goto err; | |
| 444 | |
| 445 if (EC_KEY_check_key(key) == 0) | |
| 446 goto err; | |
| 447 | |
| 448 ok = 1; | |
| 449 | |
| 450 err: | |
| 451 if (ctx) | |
| 452 BN_CTX_free(ctx); | |
| 453 if (point) | |
| 454 EC_POINT_free(point); | |
| 455 return ok; | |
| 456 | |
| 457 } | |
| 458 | |
| 459 const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key) | |
| 460 { | |
| 461 return key->group; | |
| 462 } | |
| 463 | |
| 464 int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group) | |
| 465 { | |
| 466 if (key->group != NULL) | |
| 467 EC_GROUP_free(key->group); | |
| 468 key->group = EC_GROUP_dup(group); | |
| 469 return (key->group == NULL) ? 0 : 1; | |
| 470 } | |
| 471 | |
| 472 const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key) | |
| 473 { | |
| 474 return key->priv_key; | |
| 475 } | |
| 476 | |
| 477 int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *priv_key) | |
| 478 { | |
| 479 if (key->priv_key) | |
| 480 BN_clear_free(key->priv_key); | |
| 481 key->priv_key = BN_dup(priv_key); | |
| 482 return (key->priv_key == NULL) ? 0 : 1; | |
| 483 } | |
| 484 | |
| 485 const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key) | |
| 486 { | |
| 487 return key->pub_key; | |
| 488 } | |
| 489 | |
| 490 int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub_key) | |
| 491 { | |
| 492 if (key->pub_key != NULL) | |
| 493 EC_POINT_free(key->pub_key); | |
| 494 key->pub_key = EC_POINT_dup(pub_key, key->group); | |
| 495 return (key->pub_key == NULL) ? 0 : 1; | |
| 496 } | |
| 497 | |
| 498 unsigned int EC_KEY_get_enc_flags(const EC_KEY *key) | |
| 499 { | |
| 500 return key->enc_flag; | |
| 501 } | |
| 502 | |
| 503 void EC_KEY_set_enc_flags(EC_KEY *key, unsigned int flags) | |
| 504 { | |
| 505 key->enc_flag = flags; | |
| 506 } | |
| 507 | |
| 508 point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key) | |
| 509 { | |
| 510 return key->conv_form; | |
| 511 } | |
| 512 | |
| 513 void EC_KEY_set_conv_form(EC_KEY *key, point_conversion_form_t cform) | |
| 514 { | |
| 515 key->conv_form = cform; | |
| 516 if (key->group != NULL) | |
| 517 EC_GROUP_set_point_conversion_form(key->group, cform); | |
| 518 } | |
| 519 | |
| 520 void *EC_KEY_get_key_method_data(EC_KEY *key, | |
| 521 void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_
func)(void *)) | |
| 522 { | |
| 523 void *ret; | |
| 524 | |
| 525 CRYPTO_r_lock(CRYPTO_LOCK_EC); | |
| 526 ret = EC_EX_DATA_get_data(key->method_data, dup_func, free_func, clear_f
ree_func); | |
| 527 CRYPTO_r_unlock(CRYPTO_LOCK_EC); | |
| 528 | |
| 529 return ret; | |
| 530 } | |
| 531 | |
| 532 void *EC_KEY_insert_key_method_data(EC_KEY *key, void *data, | |
| 533 void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_
func)(void *)) | |
| 534 { | |
| 535 EC_EXTRA_DATA *ex_data; | |
| 536 | |
| 537 CRYPTO_w_lock(CRYPTO_LOCK_EC); | |
| 538 ex_data = EC_EX_DATA_get_data(key->method_data, dup_func, free_func, cle
ar_free_func); | |
| 539 if (ex_data == NULL) | |
| 540 EC_EX_DATA_set_data(&key->method_data, data, dup_func, free_func
, clear_free_func); | |
| 541 CRYPTO_w_unlock(CRYPTO_LOCK_EC); | |
| 542 | |
| 543 return ex_data; | |
| 544 } | |
| 545 | |
| 546 void EC_KEY_set_asn1_flag(EC_KEY *key, int flag) | |
| 547 { | |
| 548 if (key->group != NULL) | |
| 549 EC_GROUP_set_asn1_flag(key->group, flag); | |
| 550 } | |
| 551 | |
| 552 int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx) | |
| 553 { | |
| 554 if (key->group == NULL) | |
| 555 return 0; | |
| 556 return EC_GROUP_precompute_mult(key->group, ctx); | |
| 557 } | |
| 558 | |
| 559 int EC_KEY_get_flags(const EC_KEY *key) | |
| 560 { | |
| 561 return key->flags; | |
| 562 } | |
| 563 | |
| 564 void EC_KEY_set_flags(EC_KEY *key, int flags) | |
| 565 { | |
| 566 key->flags |= flags; | |
| 567 } | |
| 568 | |
| 569 void EC_KEY_clear_flags(EC_KEY *key, int flags) | |
| 570 { | |
| 571 key->flags &= ~flags; | |
| 572 } | |
| 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