diff options
Diffstat (limited to 'src/lib/libcrypto/ec/ec_lib.c')
| -rw-r--r-- | src/lib/libcrypto/ec/ec_lib.c | 654 |
1 files changed, 654 insertions, 0 deletions
diff --git a/src/lib/libcrypto/ec/ec_lib.c b/src/lib/libcrypto/ec/ec_lib.c new file mode 100644 index 0000000000..0cf485de60 --- /dev/null +++ b/src/lib/libcrypto/ec/ec_lib.c | |||
| @@ -0,0 +1,654 @@ | |||
| 1 | /* crypto/ec/ec_lib.c */ | ||
| 2 | /* ==================================================================== | ||
| 3 | * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. | ||
| 4 | * | ||
| 5 | * Redistribution and use in source and binary forms, with or without | ||
| 6 | * modification, are permitted provided that the following conditions | ||
| 7 | * are met: | ||
| 8 | * | ||
| 9 | * 1. Redistributions of source code must retain the above copyright | ||
| 10 | * notice, this list of conditions and the following disclaimer. | ||
| 11 | * | ||
| 12 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 13 | * notice, this list of conditions and the following disclaimer in | ||
| 14 | * the documentation and/or other materials provided with the | ||
| 15 | * distribution. | ||
| 16 | * | ||
| 17 | * 3. All advertising materials mentioning features or use of this | ||
| 18 | * software must display the following acknowledgment: | ||
| 19 | * "This product includes software developed by the OpenSSL Project | ||
| 20 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | ||
| 21 | * | ||
| 22 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 23 | * endorse or promote products derived from this software without | ||
| 24 | * prior written permission. For written permission, please contact | ||
| 25 | * openssl-core@openssl.org. | ||
| 26 | * | ||
| 27 | * 5. Products derived from this software may not be called "OpenSSL" | ||
| 28 | * nor may "OpenSSL" appear in their names without prior written | ||
| 29 | * permission of the OpenSSL Project. | ||
| 30 | * | ||
| 31 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 32 | * acknowledgment: | ||
| 33 | * "This product includes software developed by the OpenSSL Project | ||
| 34 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | ||
| 35 | * | ||
| 36 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 37 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 38 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 39 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 40 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 41 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 42 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 43 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 44 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 45 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 46 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 47 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 48 | * ==================================================================== | ||
| 49 | * | ||
| 50 | * This product includes cryptographic software written by Eric Young | ||
| 51 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
| 52 | * Hudson (tjh@cryptsoft.com). | ||
| 53 | * | ||
| 54 | */ | ||
| 55 | |||
| 56 | #include <string.h> | ||
| 57 | |||
| 58 | #include <openssl/err.h> | ||
| 59 | #include <openssl/opensslv.h> | ||
| 60 | |||
| 61 | #include "ec_lcl.h" | ||
| 62 | |||
| 63 | static const char EC_version[] = "EC" OPENSSL_VERSION_PTEXT; | ||
| 64 | |||
| 65 | |||
| 66 | /* functions for EC_GROUP objects */ | ||
| 67 | |||
| 68 | EC_GROUP *EC_GROUP_new(const EC_METHOD *meth) | ||
| 69 | { | ||
| 70 | EC_GROUP *ret; | ||
| 71 | |||
| 72 | if (meth == NULL) | ||
| 73 | { | ||
| 74 | ECerr(EC_F_EC_GROUP_NEW, ERR_R_PASSED_NULL_PARAMETER); | ||
| 75 | return NULL; | ||
| 76 | } | ||
| 77 | if (meth->group_init == 0) | ||
| 78 | { | ||
| 79 | ECerr(EC_F_EC_GROUP_NEW, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 80 | return NULL; | ||
| 81 | } | ||
| 82 | |||
| 83 | ret = OPENSSL_malloc(sizeof *ret); | ||
| 84 | if (ret == NULL) | ||
| 85 | { | ||
| 86 | ECerr(EC_F_EC_GROUP_NEW, ERR_R_MALLOC_FAILURE); | ||
| 87 | return NULL; | ||
| 88 | } | ||
| 89 | |||
| 90 | ret->meth = meth; | ||
| 91 | |||
| 92 | ret->extra_data = NULL; | ||
| 93 | ret->extra_data_dup_func = 0; | ||
| 94 | ret->extra_data_free_func = 0; | ||
| 95 | ret->extra_data_clear_free_func = 0; | ||
| 96 | |||
| 97 | if (!meth->group_init(ret)) | ||
| 98 | { | ||
| 99 | OPENSSL_free(ret); | ||
| 100 | return NULL; | ||
| 101 | } | ||
| 102 | |||
| 103 | return ret; | ||
| 104 | } | ||
| 105 | |||
| 106 | |||
| 107 | void EC_GROUP_free(EC_GROUP *group) | ||
| 108 | { | ||
| 109 | if (!group) return; | ||
| 110 | |||
| 111 | if (group->meth->group_finish != 0) | ||
| 112 | group->meth->group_finish(group); | ||
| 113 | |||
| 114 | EC_GROUP_free_extra_data(group); | ||
| 115 | |||
| 116 | OPENSSL_free(group); | ||
| 117 | } | ||
| 118 | |||
| 119 | |||
| 120 | void EC_GROUP_clear_free(EC_GROUP *group) | ||
| 121 | { | ||
| 122 | if (!group) return; | ||
| 123 | |||
| 124 | if (group->meth->group_clear_finish != 0) | ||
| 125 | group->meth->group_clear_finish(group); | ||
| 126 | else if (group->meth != NULL && group->meth->group_finish != 0) | ||
| 127 | group->meth->group_finish(group); | ||
| 128 | |||
| 129 | EC_GROUP_clear_free_extra_data(group); | ||
| 130 | |||
| 131 | memset(group, 0, sizeof *group); | ||
| 132 | OPENSSL_free(group); | ||
| 133 | } | ||
| 134 | |||
| 135 | |||
| 136 | int EC_GROUP_copy(EC_GROUP *dest, const EC_GROUP *src) | ||
| 137 | { | ||
| 138 | if (dest->meth->group_copy == 0) | ||
| 139 | { | ||
| 140 | ECerr(EC_F_EC_GROUP_COPY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 141 | return 0; | ||
| 142 | } | ||
| 143 | if (dest->meth != src->meth) | ||
| 144 | { | ||
| 145 | ECerr(EC_F_EC_GROUP_COPY, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 146 | return 0; | ||
| 147 | } | ||
| 148 | if (dest == src) | ||
| 149 | return 1; | ||
| 150 | |||
| 151 | EC_GROUP_clear_free_extra_data(dest); | ||
| 152 | if (src->extra_data_dup_func) | ||
| 153 | { | ||
| 154 | if (src->extra_data != NULL) | ||
| 155 | { | ||
| 156 | dest->extra_data = src->extra_data_dup_func(src->extra_data); | ||
| 157 | if (dest->extra_data == NULL) | ||
| 158 | return 0; | ||
| 159 | } | ||
| 160 | |||
| 161 | dest->extra_data_dup_func = src->extra_data_dup_func; | ||
| 162 | dest->extra_data_free_func = src->extra_data_free_func; | ||
| 163 | dest->extra_data_clear_free_func = src->extra_data_clear_free_func; | ||
| 164 | } | ||
| 165 | |||
| 166 | return dest->meth->group_copy(dest, src); | ||
| 167 | } | ||
| 168 | |||
| 169 | |||
| 170 | const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group) | ||
| 171 | { | ||
| 172 | return group->meth; | ||
| 173 | } | ||
| 174 | |||
| 175 | |||
| 176 | int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) | ||
| 177 | { | ||
| 178 | if (group->meth->group_set_curve_GFp == 0) | ||
| 179 | { | ||
| 180 | ECerr(EC_F_EC_GROUP_SET_CURVE_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 181 | return 0; | ||
| 182 | } | ||
| 183 | return group->meth->group_set_curve_GFp(group, p, a, b, ctx); | ||
| 184 | } | ||
| 185 | |||
| 186 | |||
| 187 | int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx) | ||
| 188 | { | ||
| 189 | if (group->meth->group_get_curve_GFp == 0) | ||
| 190 | { | ||
| 191 | ECerr(EC_F_EC_GROUP_GET_CURVE_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 192 | return 0; | ||
| 193 | } | ||
| 194 | return group->meth->group_get_curve_GFp(group, p, a, b, ctx); | ||
| 195 | } | ||
| 196 | |||
| 197 | |||
| 198 | int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor) | ||
| 199 | { | ||
| 200 | if (group->meth->group_set_generator == 0) | ||
| 201 | { | ||
| 202 | ECerr(EC_F_EC_GROUP_SET_GENERATOR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 203 | return 0; | ||
| 204 | } | ||
| 205 | return group->meth->group_set_generator(group, generator, order, cofactor); | ||
| 206 | } | ||
| 207 | |||
| 208 | |||
| 209 | EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group) | ||
| 210 | { | ||
| 211 | if (group->meth->group_get0_generator == 0) | ||
| 212 | { | ||
| 213 | ECerr(EC_F_EC_GROUP_GET0_GENERATOR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 214 | return 0; | ||
| 215 | } | ||
| 216 | return group->meth->group_get0_generator(group); | ||
| 217 | } | ||
| 218 | |||
| 219 | |||
| 220 | int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx) | ||
| 221 | { | ||
| 222 | if (group->meth->group_get_order == 0) | ||
| 223 | { | ||
| 224 | ECerr(EC_F_EC_GROUP_GET_ORDER, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 225 | return 0; | ||
| 226 | } | ||
| 227 | return group->meth->group_get_order(group, order, ctx); | ||
| 228 | } | ||
| 229 | |||
| 230 | |||
| 231 | int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, BN_CTX *ctx) | ||
| 232 | { | ||
| 233 | if (group->meth->group_get_cofactor == 0) | ||
| 234 | { | ||
| 235 | ECerr(EC_F_EC_GROUP_GET_COFACTOR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 236 | return 0; | ||
| 237 | } | ||
| 238 | return group->meth->group_get_cofactor(group, cofactor, ctx); | ||
| 239 | } | ||
| 240 | |||
| 241 | |||
| 242 | /* this has 'package' visibility */ | ||
| 243 | int EC_GROUP_set_extra_data(EC_GROUP *group, void *extra_data, void *(*extra_data_dup_func)(void *), | ||
| 244 | void (*extra_data_free_func)(void *), void (*extra_data_clear_free_func)(void *)) | ||
| 245 | { | ||
| 246 | if ((group->extra_data != NULL) | ||
| 247 | || (group->extra_data_dup_func != 0) | ||
| 248 | || (group->extra_data_free_func != 0) | ||
| 249 | || (group->extra_data_clear_free_func != 0)) | ||
| 250 | { | ||
| 251 | ECerr(EC_F_EC_GROUP_SET_EXTRA_DATA, EC_R_SLOT_FULL); | ||
| 252 | return 0; | ||
| 253 | } | ||
| 254 | |||
| 255 | group->extra_data = extra_data; | ||
| 256 | group->extra_data_dup_func = extra_data_dup_func; | ||
| 257 | group->extra_data_free_func = extra_data_free_func; | ||
| 258 | group->extra_data_clear_free_func = extra_data_clear_free_func; | ||
| 259 | return 1; | ||
| 260 | } | ||
| 261 | |||
| 262 | |||
| 263 | /* this has 'package' visibility */ | ||
| 264 | void *EC_GROUP_get_extra_data(const EC_GROUP *group, void *(*extra_data_dup_func)(void *), | ||
| 265 | void (*extra_data_free_func)(void *), void (*extra_data_clear_free_func)(void *)) | ||
| 266 | { | ||
| 267 | if ((group->extra_data_dup_func != extra_data_dup_func) | ||
| 268 | || (group->extra_data_free_func != extra_data_free_func) | ||
| 269 | || (group->extra_data_clear_free_func != extra_data_clear_free_func)) | ||
| 270 | { | ||
| 271 | ECerr(EC_F_EC_GROUP_GET_EXTRA_DATA, EC_R_NO_SUCH_EXTRA_DATA); | ||
| 272 | return NULL; | ||
| 273 | } | ||
| 274 | |||
| 275 | return group->extra_data; | ||
| 276 | } | ||
| 277 | |||
| 278 | |||
| 279 | /* this has 'package' visibility */ | ||
| 280 | void EC_GROUP_free_extra_data(EC_GROUP *group) | ||
| 281 | { | ||
| 282 | if (group->extra_data_free_func) | ||
| 283 | group->extra_data_free_func(group->extra_data); | ||
| 284 | group->extra_data = NULL; | ||
| 285 | group->extra_data_dup_func = 0; | ||
| 286 | group->extra_data_free_func = 0; | ||
| 287 | group->extra_data_clear_free_func = 0; | ||
| 288 | } | ||
| 289 | |||
| 290 | |||
| 291 | /* this has 'package' visibility */ | ||
| 292 | void EC_GROUP_clear_free_extra_data(EC_GROUP *group) | ||
| 293 | { | ||
| 294 | if (group->extra_data_clear_free_func) | ||
| 295 | group->extra_data_clear_free_func(group->extra_data); | ||
| 296 | else if (group->extra_data_free_func) | ||
| 297 | group->extra_data_free_func(group->extra_data); | ||
| 298 | group->extra_data = NULL; | ||
| 299 | group->extra_data_dup_func = 0; | ||
| 300 | group->extra_data_free_func = 0; | ||
| 301 | group->extra_data_clear_free_func = 0; | ||
| 302 | } | ||
| 303 | |||
| 304 | |||
| 305 | |||
| 306 | /* functions for EC_POINT objects */ | ||
| 307 | |||
| 308 | EC_POINT *EC_POINT_new(const EC_GROUP *group) | ||
| 309 | { | ||
| 310 | EC_POINT *ret; | ||
| 311 | |||
| 312 | if (group == NULL) | ||
| 313 | { | ||
| 314 | ECerr(EC_F_EC_POINT_NEW, ERR_R_PASSED_NULL_PARAMETER); | ||
| 315 | return NULL; | ||
| 316 | } | ||
| 317 | if (group->meth->point_init == 0) | ||
| 318 | { | ||
| 319 | ECerr(EC_F_EC_POINT_NEW, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 320 | return NULL; | ||
| 321 | } | ||
| 322 | |||
| 323 | ret = OPENSSL_malloc(sizeof *ret); | ||
| 324 | if (ret == NULL) | ||
| 325 | { | ||
| 326 | ECerr(EC_F_EC_POINT_NEW, ERR_R_MALLOC_FAILURE); | ||
| 327 | return NULL; | ||
| 328 | } | ||
| 329 | |||
| 330 | ret->meth = group->meth; | ||
| 331 | |||
| 332 | if (!ret->meth->point_init(ret)) | ||
| 333 | { | ||
| 334 | OPENSSL_free(ret); | ||
| 335 | return NULL; | ||
| 336 | } | ||
| 337 | |||
| 338 | return ret; | ||
| 339 | } | ||
| 340 | |||
| 341 | |||
| 342 | void EC_POINT_free(EC_POINT *point) | ||
| 343 | { | ||
| 344 | if (!point) return; | ||
| 345 | |||
| 346 | if (point->meth->point_finish != 0) | ||
| 347 | point->meth->point_finish(point); | ||
| 348 | OPENSSL_free(point); | ||
| 349 | } | ||
| 350 | |||
| 351 | |||
| 352 | void EC_POINT_clear_free(EC_POINT *point) | ||
| 353 | { | ||
| 354 | if (!point) return; | ||
| 355 | |||
| 356 | if (point->meth->point_clear_finish != 0) | ||
| 357 | point->meth->point_clear_finish(point); | ||
| 358 | else if (point->meth != NULL && point->meth->point_finish != 0) | ||
| 359 | point->meth->point_finish(point); | ||
| 360 | memset(point, 0, sizeof *point); | ||
| 361 | OPENSSL_free(point); | ||
| 362 | } | ||
| 363 | |||
| 364 | |||
| 365 | int EC_POINT_copy(EC_POINT *dest, const EC_POINT *src) | ||
| 366 | { | ||
| 367 | if (dest->meth->point_copy == 0) | ||
| 368 | { | ||
| 369 | ECerr(EC_F_EC_POINT_COPY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 370 | return 0; | ||
| 371 | } | ||
| 372 | if (dest->meth != src->meth) | ||
| 373 | { | ||
| 374 | ECerr(EC_F_EC_POINT_COPY, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 375 | return 0; | ||
| 376 | } | ||
| 377 | if (dest == src) | ||
| 378 | return 1; | ||
| 379 | return dest->meth->point_copy(dest, src); | ||
| 380 | } | ||
| 381 | |||
| 382 | |||
| 383 | const EC_METHOD *EC_POINT_method_of(const EC_POINT *point) | ||
| 384 | { | ||
| 385 | return point->meth; | ||
| 386 | } | ||
| 387 | |||
| 388 | |||
| 389 | int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point) | ||
| 390 | { | ||
| 391 | if (group->meth->point_set_to_infinity == 0) | ||
| 392 | { | ||
| 393 | ECerr(EC_F_EC_POINT_SET_TO_INFINITY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 394 | return 0; | ||
| 395 | } | ||
| 396 | if (group->meth != point->meth) | ||
| 397 | { | ||
| 398 | ECerr(EC_F_EC_POINT_SET_TO_INFINITY, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 399 | return 0; | ||
| 400 | } | ||
| 401 | return group->meth->point_set_to_infinity(group, point); | ||
| 402 | } | ||
| 403 | |||
| 404 | |||
| 405 | int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POINT *point, | ||
| 406 | const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *ctx) | ||
| 407 | { | ||
| 408 | if (group->meth->point_set_Jprojective_coordinates_GFp == 0) | ||
| 409 | { | ||
| 410 | ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 411 | return 0; | ||
| 412 | } | ||
| 413 | if (group->meth != point->meth) | ||
| 414 | { | ||
| 415 | ECerr(EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 416 | return 0; | ||
| 417 | } | ||
| 418 | return group->meth->point_set_Jprojective_coordinates_GFp(group, point, x, y, z, ctx); | ||
| 419 | } | ||
| 420 | |||
| 421 | |||
| 422 | int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, const EC_POINT *point, | ||
| 423 | BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *ctx) | ||
| 424 | { | ||
| 425 | if (group->meth->point_get_Jprojective_coordinates_GFp == 0) | ||
| 426 | { | ||
| 427 | ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 428 | return 0; | ||
| 429 | } | ||
| 430 | if (group->meth != point->meth) | ||
| 431 | { | ||
| 432 | ECerr(EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 433 | return 0; | ||
| 434 | } | ||
| 435 | return group->meth->point_get_Jprojective_coordinates_GFp(group, point, x, y, z, ctx); | ||
| 436 | } | ||
| 437 | |||
| 438 | |||
| 439 | int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *point, | ||
| 440 | const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx) | ||
| 441 | { | ||
| 442 | if (group->meth->point_set_affine_coordinates_GFp == 0) | ||
| 443 | { | ||
| 444 | ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 445 | return 0; | ||
| 446 | } | ||
| 447 | if (group->meth != point->meth) | ||
| 448 | { | ||
| 449 | ECerr(EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 450 | return 0; | ||
| 451 | } | ||
| 452 | return group->meth->point_set_affine_coordinates_GFp(group, point, x, y, ctx); | ||
| 453 | } | ||
| 454 | |||
| 455 | |||
| 456 | int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, const EC_POINT *point, | ||
| 457 | BIGNUM *x, BIGNUM *y, BN_CTX *ctx) | ||
| 458 | { | ||
| 459 | if (group->meth->point_get_affine_coordinates_GFp == 0) | ||
| 460 | { | ||
| 461 | ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 462 | return 0; | ||
| 463 | } | ||
| 464 | if (group->meth != point->meth) | ||
| 465 | { | ||
| 466 | ECerr(EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 467 | return 0; | ||
| 468 | } | ||
| 469 | return group->meth->point_get_affine_coordinates_GFp(group, point, x, y, ctx); | ||
| 470 | } | ||
| 471 | |||
| 472 | |||
| 473 | int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *point, | ||
| 474 | const BIGNUM *x, int y_bit, BN_CTX *ctx) | ||
| 475 | { | ||
| 476 | if (group->meth->point_set_compressed_coordinates_GFp == 0) | ||
| 477 | { | ||
| 478 | ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 479 | return 0; | ||
| 480 | } | ||
| 481 | if (group->meth != point->meth) | ||
| 482 | { | ||
| 483 | ECerr(EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 484 | return 0; | ||
| 485 | } | ||
| 486 | return group->meth->point_set_compressed_coordinates_GFp(group, point, x, y_bit, ctx); | ||
| 487 | } | ||
| 488 | |||
| 489 | |||
| 490 | size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *point, point_conversion_form_t form, | ||
| 491 | unsigned char *buf, size_t len, BN_CTX *ctx) | ||
| 492 | { | ||
| 493 | if (group->meth->point2oct == 0) | ||
| 494 | { | ||
| 495 | ECerr(EC_F_EC_POINT_POINT2OCT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 496 | return 0; | ||
| 497 | } | ||
| 498 | if (group->meth != point->meth) | ||
| 499 | { | ||
| 500 | ECerr(EC_F_EC_POINT_POINT2OCT, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 501 | return 0; | ||
| 502 | } | ||
| 503 | return group->meth->point2oct(group, point, form, buf, len, ctx); | ||
| 504 | } | ||
| 505 | |||
| 506 | |||
| 507 | int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *point, | ||
| 508 | const unsigned char *buf, size_t len, BN_CTX *ctx) | ||
| 509 | { | ||
| 510 | if (group->meth->oct2point == 0) | ||
| 511 | { | ||
| 512 | ECerr(EC_F_EC_POINT_OCT2POINT, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 513 | return 0; | ||
| 514 | } | ||
| 515 | if (group->meth != point->meth) | ||
| 516 | { | ||
| 517 | ECerr(EC_F_EC_POINT_OCT2POINT, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 518 | return 0; | ||
| 519 | } | ||
| 520 | return group->meth->oct2point(group, point, buf, len, ctx); | ||
| 521 | } | ||
| 522 | |||
| 523 | |||
| 524 | int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx) | ||
| 525 | { | ||
| 526 | if (group->meth->add == 0) | ||
| 527 | { | ||
| 528 | ECerr(EC_F_EC_POINT_ADD, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 529 | return 0; | ||
| 530 | } | ||
| 531 | if ((group->meth != r->meth) || (r->meth != a->meth) || (a->meth != b->meth)) | ||
| 532 | { | ||
| 533 | ECerr(EC_F_EC_POINT_ADD, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 534 | return 0; | ||
| 535 | } | ||
| 536 | return group->meth->add(group, r, a, b, ctx); | ||
| 537 | } | ||
| 538 | |||
| 539 | |||
| 540 | int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, BN_CTX *ctx) | ||
| 541 | { | ||
| 542 | if (group->meth->dbl == 0) | ||
| 543 | { | ||
| 544 | ECerr(EC_F_EC_POINT_DBL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 545 | return 0; | ||
| 546 | } | ||
| 547 | if ((group->meth != r->meth) || (r->meth != a->meth)) | ||
| 548 | { | ||
| 549 | ECerr(EC_F_EC_POINT_DBL, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 550 | return 0; | ||
| 551 | } | ||
| 552 | return group->meth->dbl(group, r, a, ctx); | ||
| 553 | } | ||
| 554 | |||
| 555 | |||
| 556 | int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx) | ||
| 557 | { | ||
| 558 | if (group->meth->dbl == 0) | ||
| 559 | { | ||
| 560 | ECerr(EC_F_EC_POINT_DBL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 561 | return 0; | ||
| 562 | } | ||
| 563 | if (group->meth != a->meth) | ||
| 564 | { | ||
| 565 | ECerr(EC_F_EC_POINT_DBL, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 566 | return 0; | ||
| 567 | } | ||
| 568 | return group->meth->invert(group, a, ctx); | ||
| 569 | } | ||
| 570 | |||
| 571 | |||
| 572 | int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *point) | ||
| 573 | { | ||
| 574 | if (group->meth->is_at_infinity == 0) | ||
| 575 | { | ||
| 576 | ECerr(EC_F_EC_POINT_IS_AT_INFINITY, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 577 | return 0; | ||
| 578 | } | ||
| 579 | if (group->meth != point->meth) | ||
| 580 | { | ||
| 581 | ECerr(EC_F_EC_POINT_IS_AT_INFINITY, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 582 | return 0; | ||
| 583 | } | ||
| 584 | return group->meth->is_at_infinity(group, point); | ||
| 585 | } | ||
| 586 | |||
| 587 | |||
| 588 | int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, BN_CTX *ctx) | ||
| 589 | { | ||
| 590 | if (group->meth->is_on_curve == 0) | ||
| 591 | { | ||
| 592 | ECerr(EC_F_EC_POINT_IS_ON_CURVE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 593 | return 0; | ||
| 594 | } | ||
| 595 | if (group->meth != point->meth) | ||
| 596 | { | ||
| 597 | ECerr(EC_F_EC_POINT_IS_ON_CURVE, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 598 | return 0; | ||
| 599 | } | ||
| 600 | return group->meth->is_on_curve(group, point, ctx); | ||
| 601 | } | ||
| 602 | |||
| 603 | |||
| 604 | int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx) | ||
| 605 | { | ||
| 606 | if (group->meth->point_cmp == 0) | ||
| 607 | { | ||
| 608 | ECerr(EC_F_EC_POINT_CMP, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 609 | return 0; | ||
| 610 | } | ||
| 611 | if ((group->meth != a->meth) || (a->meth != b->meth)) | ||
| 612 | { | ||
| 613 | ECerr(EC_F_EC_POINT_CMP, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 614 | return 0; | ||
| 615 | } | ||
| 616 | return group->meth->point_cmp(group, a, b, ctx); | ||
| 617 | } | ||
| 618 | |||
| 619 | |||
| 620 | int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx) | ||
| 621 | { | ||
| 622 | if (group->meth->make_affine == 0) | ||
| 623 | { | ||
| 624 | ECerr(EC_F_EC_POINT_MAKE_AFFINE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 625 | return 0; | ||
| 626 | } | ||
| 627 | if (group->meth != point->meth) | ||
| 628 | { | ||
| 629 | ECerr(EC_F_EC_POINT_MAKE_AFFINE, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 630 | return 0; | ||
| 631 | } | ||
| 632 | return group->meth->make_affine(group, point, ctx); | ||
| 633 | } | ||
| 634 | |||
| 635 | |||
| 636 | int EC_POINTs_make_affine(const EC_GROUP *group, size_t num, EC_POINT *points[], BN_CTX *ctx) | ||
| 637 | { | ||
| 638 | size_t i; | ||
| 639 | |||
| 640 | if (group->meth->points_make_affine == 0) | ||
| 641 | { | ||
| 642 | ECerr(EC_F_EC_POINTS_MAKE_AFFINE, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED); | ||
| 643 | return 0; | ||
| 644 | } | ||
| 645 | for (i = 0; i < num; i++) | ||
| 646 | { | ||
| 647 | if (group->meth != points[i]->meth) | ||
| 648 | { | ||
| 649 | ECerr(EC_F_EC_POINTS_MAKE_AFFINE, EC_R_INCOMPATIBLE_OBJECTS); | ||
| 650 | return 0; | ||
| 651 | } | ||
| 652 | } | ||
| 653 | return group->meth->points_make_affine(group, num, points, ctx); | ||
| 654 | } | ||
