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| author | djm <> | 2010-10-01 22:59:01 +0000 |
|---|---|---|
| committer | djm <> | 2010-10-01 22:59:01 +0000 |
| commit | 8922d4bc4a8b8893d72a48deb2cdf58215f98505 (patch) | |
| tree | 939b752540947d33507b3acc48d76a8bfb7c3dc3 /src/lib/libcrypto/ec/ec.h | |
| parent | 76262f7bf9262f965142b1b2b2105cb279c5c696 (diff) | |
| download | openbsd-8922d4bc4a8b8893d72a48deb2cdf58215f98505.tar.gz openbsd-8922d4bc4a8b8893d72a48deb2cdf58215f98505.tar.bz2 openbsd-8922d4bc4a8b8893d72a48deb2cdf58215f98505.zip | |
resolve conflicts, fix local changes
Diffstat (limited to 'src/lib/libcrypto/ec/ec.h')
| -rw-r--r-- | src/lib/libcrypto/ec/ec.h | 814 |
1 files changed, 694 insertions, 120 deletions
diff --git a/src/lib/libcrypto/ec/ec.h b/src/lib/libcrypto/ec/ec.h index 8bc2a235b1..ee7078130c 100644 --- a/src/lib/libcrypto/ec/ec.h +++ b/src/lib/libcrypto/ec/ec.h | |||
| @@ -2,8 +2,12 @@ | |||
| 2 | /* | 2 | /* |
| 3 | * Originally written by Bodo Moeller for the OpenSSL project. | 3 | * Originally written by Bodo Moeller for the OpenSSL project. |
| 4 | */ | 4 | */ |
| 5 | /** | ||
| 6 | * \file crypto/ec/ec.h Include file for the OpenSSL EC functions | ||
| 7 | * \author Originally written by Bodo Moeller for the OpenSSL project | ||
| 8 | */ | ||
| 5 | /* ==================================================================== | 9 | /* ==================================================================== |
| 6 | * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. | 10 | * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved. |
| 7 | * | 11 | * |
| 8 | * Redistribution and use in source and binary forms, with or without | 12 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions | 13 | * modification, are permitted provided that the following conditions |
| @@ -92,15 +96,21 @@ extern "C" { | |||
| 92 | # endif | 96 | # endif |
| 93 | #endif | 97 | #endif |
| 94 | 98 | ||
| 95 | 99 | ||
| 96 | #ifndef OPENSSL_ECC_MAX_FIELD_BITS | 100 | #ifndef OPENSSL_ECC_MAX_FIELD_BITS |
| 97 | # define OPENSSL_ECC_MAX_FIELD_BITS 661 | 101 | # define OPENSSL_ECC_MAX_FIELD_BITS 661 |
| 98 | #endif | 102 | #endif |
| 99 | 103 | ||
| 104 | /** Enum for the point conversion form as defined in X9.62 (ECDSA) | ||
| 105 | * for the encoding of a elliptic curve point (x,y) */ | ||
| 100 | typedef enum { | 106 | typedef enum { |
| 101 | /* values as defined in X9.62 (ECDSA) and elsewhere */ | 107 | /** the point is encoded as z||x, where the octet z specifies |
| 108 | * which solution of the quadratic equation y is */ | ||
| 102 | POINT_CONVERSION_COMPRESSED = 2, | 109 | POINT_CONVERSION_COMPRESSED = 2, |
| 110 | /** the point is encoded as z||x||y, where z is the octet 0x02 */ | ||
| 103 | POINT_CONVERSION_UNCOMPRESSED = 4, | 111 | POINT_CONVERSION_UNCOMPRESSED = 4, |
| 112 | /** the point is encoded as z||x||y, where the octet z specifies | ||
| 113 | * which solution of the quadratic equation y is */ | ||
| 104 | POINT_CONVERSION_HYBRID = 6 | 114 | POINT_CONVERSION_HYBRID = 6 |
| 105 | } point_conversion_form_t; | 115 | } point_conversion_form_t; |
| 106 | 116 | ||
| @@ -121,37 +131,129 @@ typedef struct ec_group_st | |||
| 121 | typedef struct ec_point_st EC_POINT; | 131 | typedef struct ec_point_st EC_POINT; |
| 122 | 132 | ||
| 123 | 133 | ||
| 124 | /* EC_METHODs for curves over GF(p). | 134 | /********************************************************************/ |
| 125 | * EC_GFp_simple_method provides the basis for the optimized methods. | 135 | /* EC_METHODs for curves over GF(p) */ |
| 136 | /********************************************************************/ | ||
| 137 | |||
| 138 | /** Returns the basic GFp ec methods which provides the basis for the | ||
| 139 | * optimized methods. | ||
| 140 | * \return EC_METHOD object | ||
| 126 | */ | 141 | */ |
| 127 | const EC_METHOD *EC_GFp_simple_method(void); | 142 | const EC_METHOD *EC_GFp_simple_method(void); |
| 143 | |||
| 144 | /** Returns GFp methods using montgomery multiplication. | ||
| 145 | * \return EC_METHOD object | ||
| 146 | */ | ||
| 128 | const EC_METHOD *EC_GFp_mont_method(void); | 147 | const EC_METHOD *EC_GFp_mont_method(void); |
| 148 | |||
| 149 | /** Returns GFp methods using optimized methods for NIST recommended curves | ||
| 150 | * \return EC_METHOD object | ||
| 151 | */ | ||
| 129 | const EC_METHOD *EC_GFp_nist_method(void); | 152 | const EC_METHOD *EC_GFp_nist_method(void); |
| 130 | 153 | ||
| 131 | /* EC_METHOD for curves over GF(2^m). | 154 | |
| 155 | /********************************************************************/ | ||
| 156 | /* EC_METHOD for curves over GF(2^m) */ | ||
| 157 | /********************************************************************/ | ||
| 158 | |||
| 159 | /** Returns the basic GF2m ec method | ||
| 160 | * \return EC_METHOD object | ||
| 132 | */ | 161 | */ |
| 133 | const EC_METHOD *EC_GF2m_simple_method(void); | 162 | const EC_METHOD *EC_GF2m_simple_method(void); |
| 134 | 163 | ||
| 135 | 164 | ||
| 136 | EC_GROUP *EC_GROUP_new(const EC_METHOD *); | 165 | /********************************************************************/ |
| 137 | void EC_GROUP_free(EC_GROUP *); | 166 | /* EC_GROUP functions */ |
| 138 | void EC_GROUP_clear_free(EC_GROUP *); | 167 | /********************************************************************/ |
| 139 | int EC_GROUP_copy(EC_GROUP *, const EC_GROUP *); | ||
| 140 | EC_GROUP *EC_GROUP_dup(const EC_GROUP *); | ||
| 141 | 168 | ||
| 142 | const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *); | 169 | /** Creates a new EC_GROUP object |
| 143 | int EC_METHOD_get_field_type(const EC_METHOD *); | 170 | * \param meth EC_METHOD to use |
| 171 | * \return newly created EC_GROUP object or NULL in case of an error. | ||
| 172 | */ | ||
| 173 | EC_GROUP *EC_GROUP_new(const EC_METHOD *meth); | ||
| 144 | 174 | ||
| 145 | int EC_GROUP_set_generator(EC_GROUP *, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor); | 175 | /** Frees a EC_GROUP object |
| 146 | const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *); | 176 | * \param group EC_GROUP object to be freed. |
| 147 | int EC_GROUP_get_order(const EC_GROUP *, BIGNUM *order, BN_CTX *); | 177 | */ |
| 148 | int EC_GROUP_get_cofactor(const EC_GROUP *, BIGNUM *cofactor, BN_CTX *); | 178 | void EC_GROUP_free(EC_GROUP *group); |
| 149 | 179 | ||
| 150 | void EC_GROUP_set_curve_name(EC_GROUP *, int nid); | 180 | /** Clears and frees a EC_GROUP object |
| 151 | int EC_GROUP_get_curve_name(const EC_GROUP *); | 181 | * \param group EC_GROUP object to be cleared and freed. |
| 182 | */ | ||
| 183 | void EC_GROUP_clear_free(EC_GROUP *group); | ||
| 152 | 184 | ||
| 153 | void EC_GROUP_set_asn1_flag(EC_GROUP *, int flag); | 185 | /** Copies EC_GROUP objects. Note: both EC_GROUPs must use the same EC_METHOD. |
| 154 | int EC_GROUP_get_asn1_flag(const EC_GROUP *); | 186 | * \param dst destination EC_GROUP object |
| 187 | * \param src source EC_GROUP object | ||
| 188 | * \return 1 on success and 0 if an error occurred. | ||
| 189 | */ | ||
| 190 | int EC_GROUP_copy(EC_GROUP *dst, const EC_GROUP *src); | ||
| 191 | |||
| 192 | /** Creates a new EC_GROUP object and copies the copies the content | ||
| 193 | * form src to the newly created EC_KEY object | ||
| 194 | * \param src source EC_GROUP object | ||
| 195 | * \return newly created EC_GROUP object or NULL in case of an error. | ||
| 196 | */ | ||
| 197 | EC_GROUP *EC_GROUP_dup(const EC_GROUP *src); | ||
| 198 | |||
| 199 | /** Returns the EC_METHOD of the EC_GROUP object. | ||
| 200 | * \param group EC_GROUP object | ||
| 201 | * \return EC_METHOD used in this EC_GROUP object. | ||
| 202 | */ | ||
| 203 | const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group); | ||
| 204 | |||
| 205 | /** Returns the field type of the EC_METHOD. | ||
| 206 | * \param meth EC_METHOD object | ||
| 207 | * \return NID of the underlying field type OID. | ||
| 208 | */ | ||
| 209 | int EC_METHOD_get_field_type(const EC_METHOD *meth); | ||
| 210 | |||
| 211 | /** Sets the generator and it's order/cofactor of a EC_GROUP object. | ||
| 212 | * \param group EC_GROUP object | ||
| 213 | * \param generator EC_POINT object with the generator. | ||
| 214 | * \param order the order of the group generated by the generator. | ||
| 215 | * \param cofactor the index of the sub-group generated by the generator | ||
| 216 | * in the group of all points on the elliptic curve. | ||
| 217 | * \return 1 on success and 0 if an error occured | ||
| 218 | */ | ||
| 219 | int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor); | ||
| 220 | |||
| 221 | /** Returns the generator of a EC_GROUP object. | ||
| 222 | * \param group EC_GROUP object | ||
| 223 | * \return the currently used generator (possibly NULL). | ||
| 224 | */ | ||
| 225 | const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group); | ||
| 226 | |||
| 227 | /** Gets the order of a EC_GROUP | ||
| 228 | * \param group EC_GROUP object | ||
| 229 | * \param order BIGNUM to which the order is copied | ||
| 230 | * \param ctx BN_CTX object (optional) | ||
| 231 | * \return 1 on success and 0 if an error occured | ||
| 232 | */ | ||
| 233 | int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx); | ||
| 234 | |||
| 235 | /** Gets the cofactor of a EC_GROUP | ||
| 236 | * \param group EC_GROUP object | ||
| 237 | * \param cofactor BIGNUM to which the cofactor is copied | ||
| 238 | * \param ctx BN_CTX object (optional) | ||
| 239 | * \return 1 on success and 0 if an error occured | ||
| 240 | */ | ||
| 241 | int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, BN_CTX *ctx); | ||
| 242 | |||
| 243 | /** Sets the name of a EC_GROUP object | ||
| 244 | * \param group EC_GROUP object | ||
| 245 | * \param nid NID of the curve name OID | ||
| 246 | */ | ||
| 247 | void EC_GROUP_set_curve_name(EC_GROUP *group, int nid); | ||
| 248 | |||
| 249 | /** Returns the curve name of a EC_GROUP object | ||
| 250 | * \param group EC_GROUP object | ||
| 251 | * \return NID of the curve name OID or 0 if not set. | ||
| 252 | */ | ||
| 253 | int EC_GROUP_get_curve_name(const EC_GROUP *group); | ||
| 254 | |||
| 255 | void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag); | ||
| 256 | int EC_GROUP_get_asn1_flag(const EC_GROUP *group); | ||
| 155 | 257 | ||
| 156 | void EC_GROUP_set_point_conversion_form(EC_GROUP *, point_conversion_form_t); | 258 | void EC_GROUP_set_point_conversion_form(EC_GROUP *, point_conversion_form_t); |
| 157 | point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *); | 259 | point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *); |
| @@ -160,36 +262,114 @@ unsigned char *EC_GROUP_get0_seed(const EC_GROUP *); | |||
| 160 | size_t EC_GROUP_get_seed_len(const EC_GROUP *); | 262 | size_t EC_GROUP_get_seed_len(const EC_GROUP *); |
| 161 | size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len); | 263 | size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len); |
| 162 | 264 | ||
| 163 | int EC_GROUP_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); | 265 | /** Sets the parameter of a ec over GFp defined by y^2 = x^3 + a*x + b |
| 164 | int EC_GROUP_get_curve_GFp(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *); | 266 | * \param group EC_GROUP object |
| 165 | int EC_GROUP_set_curve_GF2m(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); | 267 | * \param p BIGNUM with the prime number |
| 166 | int EC_GROUP_get_curve_GF2m(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *); | 268 | * \param a BIGNUM with parameter a of the equation |
| 269 | * \param b BIGNUM with parameter b of the equation | ||
| 270 | * \param ctx BN_CTX object (optional) | ||
| 271 | * \return 1 on success and 0 if an error occured | ||
| 272 | */ | ||
| 273 | int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); | ||
| 274 | |||
| 275 | /** Gets the parameter of the ec over GFp defined by y^2 = x^3 + a*x + b | ||
| 276 | * \param group EC_GROUP object | ||
| 277 | * \param p BIGNUM for the prime number | ||
| 278 | * \param a BIGNUM for parameter a of the equation | ||
| 279 | * \param b BIGNUM for parameter b of the equation | ||
| 280 | * \param ctx BN_CTX object (optional) | ||
| 281 | * \return 1 on success and 0 if an error occured | ||
| 282 | */ | ||
| 283 | int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx); | ||
| 284 | |||
| 285 | /** Sets the parameter of a ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b | ||
| 286 | * \param group EC_GROUP object | ||
| 287 | * \param p BIGNUM with the polynomial defining the underlying field | ||
| 288 | * \param a BIGNUM with parameter a of the equation | ||
| 289 | * \param b BIGNUM with parameter b of the equation | ||
| 290 | * \param ctx BN_CTX object (optional) | ||
| 291 | * \return 1 on success and 0 if an error occured | ||
| 292 | */ | ||
| 293 | int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); | ||
| 294 | |||
| 295 | /** Gets the parameter of the ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b | ||
| 296 | * \param group EC_GROUP object | ||
| 297 | * \param p BIGNUM for the polynomial defining the underlying field | ||
| 298 | * \param a BIGNUM for parameter a of the equation | ||
| 299 | * \param b BIGNUM for parameter b of the equation | ||
| 300 | * \param ctx BN_CTX object (optional) | ||
| 301 | * \return 1 on success and 0 if an error occured | ||
| 302 | */ | ||
| 303 | int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx); | ||
| 167 | 304 | ||
| 168 | /* returns the number of bits needed to represent a field element */ | 305 | /** Returns the number of bits needed to represent a field element |
| 169 | int EC_GROUP_get_degree(const EC_GROUP *); | 306 | * \param group EC_GROUP object |
| 307 | * \return number of bits needed to represent a field element | ||
| 308 | */ | ||
| 309 | int EC_GROUP_get_degree(const EC_GROUP *group); | ||
| 170 | 310 | ||
| 171 | /* EC_GROUP_check() returns 1 if 'group' defines a valid group, 0 otherwise */ | 311 | /** Checks whether the parameter in the EC_GROUP define a valid ec group |
| 312 | * \param group EC_GROUP object | ||
| 313 | * \param ctx BN_CTX object (optional) | ||
| 314 | * \return 1 if group is a valid ec group and 0 otherwise | ||
| 315 | */ | ||
| 172 | int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx); | 316 | int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx); |
| 173 | /* EC_GROUP_check_discriminant() returns 1 if the discriminant of the | ||
| 174 | * elliptic curve is not zero, 0 otherwise */ | ||
| 175 | int EC_GROUP_check_discriminant(const EC_GROUP *, BN_CTX *); | ||
| 176 | 317 | ||
| 177 | /* EC_GROUP_cmp() returns 0 if both groups are equal and 1 otherwise */ | 318 | /** Checks whether the discriminant of the elliptic curve is zero or not |
| 178 | int EC_GROUP_cmp(const EC_GROUP *, const EC_GROUP *, BN_CTX *); | 319 | * \param group EC_GROUP object |
| 320 | * \param ctx BN_CTX object (optional) | ||
| 321 | * \return 1 if the discriminant is not zero and 0 otherwise | ||
| 322 | */ | ||
| 323 | int EC_GROUP_check_discriminant(const EC_GROUP *group, BN_CTX *ctx); | ||
| 324 | |||
| 325 | /** Compares two EC_GROUP objects | ||
| 326 | * \param a first EC_GROUP object | ||
| 327 | * \param b second EC_GROUP object | ||
| 328 | * \param ctx BN_CTX object (optional) | ||
| 329 | * \return 0 if both groups are equal and 1 otherwise | ||
| 330 | */ | ||
| 331 | int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx); | ||
| 179 | 332 | ||
| 180 | /* EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*() | 333 | /* EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*() |
| 181 | * after choosing an appropriate EC_METHOD */ | 334 | * after choosing an appropriate EC_METHOD */ |
| 182 | EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); | ||
| 183 | EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); | ||
| 184 | 335 | ||
| 185 | /* EC_GROUP_new_by_curve_name() creates a EC_GROUP structure | 336 | /** Creates a new EC_GROUP object with the specified parameters defined |
| 186 | * specified by a curve name (in form of a NID) */ | 337 | * over GFp (defined by the equation y^2 = x^3 + a*x + b) |
| 338 | * \param p BIGNUM with the prime number | ||
| 339 | * \param a BIGNUM with the parameter a of the equation | ||
| 340 | * \param b BIGNUM with the parameter b of the equation | ||
| 341 | * \param ctx BN_CTX object (optional) | ||
| 342 | * \return newly created EC_GROUP object with the specified parameters | ||
| 343 | */ | ||
| 344 | EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); | ||
| 345 | |||
| 346 | /** Creates a new EC_GROUP object with the specified parameters defined | ||
| 347 | * over GF2m (defined by the equation y^2 + x*y = x^3 + a*x^2 + b) | ||
| 348 | * \param p BIGNUM with the polynomial defining the underlying field | ||
| 349 | * \param a BIGNUM with the parameter a of the equation | ||
| 350 | * \param b BIGNUM with the parameter b of the equation | ||
| 351 | * \param ctx BN_CTX object (optional) | ||
| 352 | * \return newly created EC_GROUP object with the specified parameters | ||
| 353 | */ | ||
| 354 | EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); | ||
| 355 | |||
| 356 | /** Creates a EC_GROUP object with a curve specified by a NID | ||
| 357 | * \param nid NID of the OID of the curve name | ||
| 358 | * \return newly created EC_GROUP object with specified curve or NULL | ||
| 359 | * if an error occurred | ||
| 360 | */ | ||
| 187 | EC_GROUP *EC_GROUP_new_by_curve_name(int nid); | 361 | EC_GROUP *EC_GROUP_new_by_curve_name(int nid); |
| 188 | /* handling of internal curves */ | 362 | |
| 363 | |||
| 364 | /********************************************************************/ | ||
| 365 | /* handling of internal curves */ | ||
| 366 | /********************************************************************/ | ||
| 367 | |||
| 189 | typedef struct { | 368 | typedef struct { |
| 190 | int nid; | 369 | int nid; |
| 191 | const char *comment; | 370 | const char *comment; |
| 192 | } EC_builtin_curve; | 371 | } EC_builtin_curve; |
| 372 | |||
| 193 | /* EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number | 373 | /* EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number |
| 194 | * of all available curves or zero if a error occurred. | 374 | * of all available curves or zero if a error occurred. |
| 195 | * In case r ist not zero nitems EC_builtin_curve structures | 375 | * In case r ist not zero nitems EC_builtin_curve structures |
| @@ -197,39 +377,168 @@ typedef struct { | |||
| 197 | size_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems); | 377 | size_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems); |
| 198 | 378 | ||
| 199 | 379 | ||
| 200 | /* EC_POINT functions */ | 380 | /********************************************************************/ |
| 381 | /* EC_POINT functions */ | ||
| 382 | /********************************************************************/ | ||
| 383 | |||
| 384 | /** Creates a new EC_POINT object for the specified EC_GROUP | ||
| 385 | * \param group EC_GROUP the underlying EC_GROUP object | ||
| 386 | * \return newly created EC_POINT object or NULL if an error occurred | ||
| 387 | */ | ||
| 388 | EC_POINT *EC_POINT_new(const EC_GROUP *group); | ||
| 389 | |||
| 390 | /** Frees a EC_POINT object | ||
| 391 | * \param point EC_POINT object to be freed | ||
| 392 | */ | ||
| 393 | void EC_POINT_free(EC_POINT *point); | ||
| 394 | |||
| 395 | /** Clears and frees a EC_POINT object | ||
| 396 | * \param point EC_POINT object to be cleared and freed | ||
| 397 | */ | ||
| 398 | void EC_POINT_clear_free(EC_POINT *point); | ||
| 399 | |||
| 400 | /** Copies EC_POINT object | ||
| 401 | * \param dst destination EC_POINT object | ||
| 402 | * \param src source EC_POINT object | ||
| 403 | * \return 1 on success and 0 if an error occured | ||
| 404 | */ | ||
| 405 | int EC_POINT_copy(EC_POINT *dst, const EC_POINT *src); | ||
| 201 | 406 | ||
| 202 | EC_POINT *EC_POINT_new(const EC_GROUP *); | 407 | /** Creates a new EC_POINT object and copies the content of the supplied |
| 203 | void EC_POINT_free(EC_POINT *); | 408 | * EC_POINT |
| 204 | void EC_POINT_clear_free(EC_POINT *); | 409 | * \param src source EC_POINT object |
| 205 | int EC_POINT_copy(EC_POINT *, const EC_POINT *); | 410 | * \param group underlying the EC_GROUP object |
| 206 | EC_POINT *EC_POINT_dup(const EC_POINT *, const EC_GROUP *); | 411 | * \return newly created EC_POINT object or NULL if an error occurred |
| 412 | */ | ||
| 413 | EC_POINT *EC_POINT_dup(const EC_POINT *src, const EC_GROUP *group); | ||
| 207 | 414 | ||
| 208 | const EC_METHOD *EC_POINT_method_of(const EC_POINT *); | 415 | /** Returns the EC_METHOD used in EC_POINT object |
| 209 | 416 | * \param point EC_POINT object | |
| 210 | int EC_POINT_set_to_infinity(const EC_GROUP *, EC_POINT *); | 417 | * \return the EC_METHOD used |
| 211 | int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *, EC_POINT *, | 418 | */ |
| 212 | const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *); | 419 | const EC_METHOD *EC_POINT_method_of(const EC_POINT *point); |
| 213 | int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *, const EC_POINT *, | 420 | |
| 214 | BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *); | 421 | /** Sets a point to infinity (neutral element) |
| 215 | int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *, EC_POINT *, | 422 | * \param group underlying EC_GROUP object |
| 216 | const BIGNUM *x, const BIGNUM *y, BN_CTX *); | 423 | * \param point EC_POINT to set to infinity |
| 217 | int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *, const EC_POINT *, | 424 | * \return 1 on success and 0 if an error occured |
| 218 | BIGNUM *x, BIGNUM *y, BN_CTX *); | 425 | */ |
| 219 | int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *, EC_POINT *, | 426 | int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point); |
| 220 | const BIGNUM *x, int y_bit, BN_CTX *); | 427 | |
| 221 | 428 | /** Sets the jacobian projective coordinates of a EC_POINT over GFp | |
| 222 | int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *, EC_POINT *, | 429 | * \param group underlying EC_GROUP object |
| 223 | const BIGNUM *x, const BIGNUM *y, BN_CTX *); | 430 | * \param p EC_POINT object |
| 224 | int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *, const EC_POINT *, | 431 | * \param x BIGNUM with the x-coordinate |
| 225 | BIGNUM *x, BIGNUM *y, BN_CTX *); | 432 | * \param y BIGNUM with the y-coordinate |
| 226 | int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *, EC_POINT *, | 433 | * \param z BIGNUM with the z-coordinate |
| 227 | const BIGNUM *x, int y_bit, BN_CTX *); | 434 | * \param ctx BN_CTX object (optional) |
| 228 | 435 | * \return 1 on success and 0 if an error occured | |
| 229 | size_t EC_POINT_point2oct(const EC_GROUP *, const EC_POINT *, point_conversion_form_t form, | 436 | */ |
| 230 | unsigned char *buf, size_t len, BN_CTX *); | 437 | int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POINT *p, |
| 231 | int EC_POINT_oct2point(const EC_GROUP *, EC_POINT *, | 438 | const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *ctx); |
| 232 | const unsigned char *buf, size_t len, BN_CTX *); | 439 | |
| 440 | /** Gets the jacobian projective coordinates of a EC_POINT over GFp | ||
| 441 | * \param group underlying EC_GROUP object | ||
| 442 | * \param p EC_POINT object | ||
| 443 | * \param x BIGNUM for the x-coordinate | ||
| 444 | * \param y BIGNUM for the y-coordinate | ||
| 445 | * \param z BIGNUM for the z-coordinate | ||
| 446 | * \param ctx BN_CTX object (optional) | ||
| 447 | * \return 1 on success and 0 if an error occured | ||
| 448 | */ | ||
| 449 | int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, | ||
| 450 | const EC_POINT *p, BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *ctx); | ||
| 451 | |||
| 452 | /** Sets the affine coordinates of a EC_POINT over GFp | ||
| 453 | * \param group underlying EC_GROUP object | ||
| 454 | * \param p EC_POINT object | ||
| 455 | * \param x BIGNUM with the x-coordinate | ||
| 456 | * \param y BIGNUM with the y-coordinate | ||
| 457 | * \param ctx BN_CTX object (optional) | ||
| 458 | * \return 1 on success and 0 if an error occured | ||
| 459 | */ | ||
| 460 | int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *p, | ||
| 461 | const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx); | ||
| 462 | |||
| 463 | /** Gets the affine coordinates of a EC_POINT over GFp | ||
| 464 | * \param group underlying EC_GROUP object | ||
| 465 | * \param p EC_POINT object | ||
| 466 | * \param x BIGNUM for the x-coordinate | ||
| 467 | * \param y BIGNUM for the y-coordinate | ||
| 468 | * \param ctx BN_CTX object (optional) | ||
| 469 | * \return 1 on success and 0 if an error occured | ||
| 470 | */ | ||
| 471 | int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, | ||
| 472 | const EC_POINT *p, BIGNUM *x, BIGNUM *y, BN_CTX *ctx); | ||
| 473 | |||
| 474 | /** Sets the x9.62 compressed coordinates of a EC_POINT over GFp | ||
| 475 | * \param group underlying EC_GROUP object | ||
| 476 | * \param p EC_POINT object | ||
| 477 | * \param x BIGNUM with x-coordinate | ||
| 478 | * \param y_bit integer with the y-Bit (either 0 or 1) | ||
| 479 | * \param ctx BN_CTX object (optional) | ||
| 480 | * \return 1 on success and 0 if an error occured | ||
| 481 | */ | ||
| 482 | int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *p, | ||
| 483 | const BIGNUM *x, int y_bit, BN_CTX *ctx); | ||
| 484 | |||
| 485 | /** Sets the affine coordinates of a EC_POINT over GF2m | ||
| 486 | * \param group underlying EC_GROUP object | ||
| 487 | * \param p EC_POINT object | ||
| 488 | * \param x BIGNUM with the x-coordinate | ||
| 489 | * \param y BIGNUM with the y-coordinate | ||
| 490 | * \param ctx BN_CTX object (optional) | ||
| 491 | * \return 1 on success and 0 if an error occured | ||
| 492 | */ | ||
| 493 | int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p, | ||
| 494 | const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx); | ||
| 495 | |||
| 496 | /** Gets the affine coordinates of a EC_POINT over GF2m | ||
| 497 | * \param group underlying EC_GROUP object | ||
| 498 | * \param p EC_POINT object | ||
| 499 | * \param x BIGNUM for the x-coordinate | ||
| 500 | * \param y BIGNUM for the y-coordinate | ||
| 501 | * \param ctx BN_CTX object (optional) | ||
| 502 | * \return 1 on success and 0 if an error occured | ||
| 503 | */ | ||
| 504 | int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group, | ||
| 505 | const EC_POINT *p, BIGNUM *x, BIGNUM *y, BN_CTX *ctx); | ||
| 506 | |||
| 507 | /** Sets the x9.62 compressed coordinates of a EC_POINT over GF2m | ||
| 508 | * \param group underlying EC_GROUP object | ||
| 509 | * \param p EC_POINT object | ||
| 510 | * \param x BIGNUM with x-coordinate | ||
| 511 | * \param y_bit integer with the y-Bit (either 0 or 1) | ||
| 512 | * \param ctx BN_CTX object (optional) | ||
| 513 | * \return 1 on success and 0 if an error occured | ||
| 514 | */ | ||
| 515 | int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p, | ||
| 516 | const BIGNUM *x, int y_bit, BN_CTX *ctx); | ||
| 517 | |||
| 518 | /** Encodes a EC_POINT object to a octet string | ||
| 519 | * \param group underlying EC_GROUP object | ||
| 520 | * \param p EC_POINT object | ||
| 521 | * \param form point conversion form | ||
| 522 | * \param buf memory buffer for the result. If NULL the function returns | ||
| 523 | * required buffer size. | ||
| 524 | * \param len length of the memory buffer | ||
| 525 | * \param ctx BN_CTX object (optional) | ||
| 526 | * \return the length of the encoded octet string or 0 if an error occurred | ||
| 527 | */ | ||
| 528 | size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *p, | ||
| 529 | point_conversion_form_t form, | ||
| 530 | unsigned char *buf, size_t len, BN_CTX *ctx); | ||
| 531 | |||
| 532 | /** Decodes a EC_POINT from a octet string | ||
| 533 | * \param group underlying EC_GROUP object | ||
| 534 | * \param p EC_POINT object | ||
| 535 | * \param buf memory buffer with the encoded ec point | ||
| 536 | * \param len length of the encoded ec point | ||
| 537 | * \param ctx BN_CTX object (optional) | ||
| 538 | * \return 1 on success and 0 if an error occured | ||
| 539 | */ | ||
| 540 | int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p, | ||
| 541 | const unsigned char *buf, size_t len, BN_CTX *ctx); | ||
| 233 | 542 | ||
| 234 | /* other interfaces to point2oct/oct2point: */ | 543 | /* other interfaces to point2oct/oct2point: */ |
| 235 | BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *, | 544 | BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *, |
| @@ -241,29 +550,105 @@ char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *, | |||
| 241 | EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *, | 550 | EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *, |
| 242 | EC_POINT *, BN_CTX *); | 551 | EC_POINT *, BN_CTX *); |
| 243 | 552 | ||
| 244 | int EC_POINT_add(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *); | ||
| 245 | int EC_POINT_dbl(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, BN_CTX *); | ||
| 246 | int EC_POINT_invert(const EC_GROUP *, EC_POINT *, BN_CTX *); | ||
| 247 | 553 | ||
| 248 | int EC_POINT_is_at_infinity(const EC_GROUP *, const EC_POINT *); | 554 | /********************************************************************/ |
| 249 | int EC_POINT_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *); | 555 | /* functions for doing EC_POINT arithmetic */ |
| 250 | int EC_POINT_cmp(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_CTX *); | 556 | /********************************************************************/ |
| 557 | |||
| 558 | /** Computes the sum of two EC_POINT | ||
| 559 | * \param group underlying EC_GROUP object | ||
| 560 | * \param r EC_POINT object for the result (r = a + b) | ||
| 561 | * \param a EC_POINT object with the first summand | ||
| 562 | * \param b EC_POINT object with the second summand | ||
| 563 | * \param ctx BN_CTX object (optional) | ||
| 564 | * \return 1 on success and 0 if an error occured | ||
| 565 | */ | ||
| 566 | int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx); | ||
| 567 | |||
| 568 | /** Computes the double of a EC_POINT | ||
| 569 | * \param group underlying EC_GROUP object | ||
| 570 | * \param r EC_POINT object for the result (r = 2 * a) | ||
| 571 | * \param a EC_POINT object | ||
| 572 | * \param ctx BN_CTX object (optional) | ||
| 573 | * \return 1 on success and 0 if an error occured | ||
| 574 | */ | ||
| 575 | int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, BN_CTX *ctx); | ||
| 576 | |||
| 577 | /** Computes the inverse of a EC_POINT | ||
| 578 | * \param group underlying EC_GROUP object | ||
| 579 | * \param a EC_POINT object to be inverted (it's used for the result as well) | ||
| 580 | * \param ctx BN_CTX object (optional) | ||
| 581 | * \return 1 on success and 0 if an error occured | ||
| 582 | */ | ||
| 583 | int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx); | ||
| 584 | |||
| 585 | /** Checks whether the point is the neutral element of the group | ||
| 586 | * \param group the underlying EC_GROUP object | ||
| 587 | * \param p EC_POINT object | ||
| 588 | * \return 1 if the point is the neutral element and 0 otherwise | ||
| 589 | */ | ||
| 590 | int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *p); | ||
| 591 | |||
| 592 | /** Checks whether the point is on the curve | ||
| 593 | * \param group underlying EC_GROUP object | ||
| 594 | * \param point EC_POINT object to check | ||
| 595 | * \param ctx BN_CTX object (optional) | ||
| 596 | * \return 1 if point if on the curve and 0 otherwise | ||
| 597 | */ | ||
| 598 | int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, BN_CTX *ctx); | ||
| 599 | |||
| 600 | /** Compares two EC_POINTs | ||
| 601 | * \param group underlying EC_GROUP object | ||
| 602 | * \param a first EC_POINT object | ||
| 603 | * \param b second EC_POINT object | ||
| 604 | * \param ctx BN_CTX object (optional) | ||
| 605 | * \return 0 if both points are equal and a value != 0 otherwise | ||
| 606 | */ | ||
| 607 | int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx); | ||
| 251 | 608 | ||
| 252 | int EC_POINT_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *); | 609 | int EC_POINT_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *); |
| 253 | int EC_POINTs_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *); | 610 | int EC_POINTs_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *); |
| 254 | 611 | ||
| 612 | /** Computes r = generator * n sum_{i=0}^num p[i] * m[i] | ||
| 613 | * \param group underlying EC_GROUP object | ||
| 614 | * \param r EC_POINT object for the result | ||
| 615 | * \param n BIGNUM with the multiplier for the group generator (optional) | ||
| 616 | * \param num number futher summands | ||
| 617 | * \param p array of size num of EC_POINT objects | ||
| 618 | * \param m array of size num of BIGNUM objects | ||
| 619 | * \param ctx BN_CTX object (optional) | ||
| 620 | * \return 1 on success and 0 if an error occured | ||
| 621 | */ | ||
| 622 | int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, size_t num, const EC_POINT *p[], const BIGNUM *m[], BN_CTX *ctx); | ||
| 623 | |||
| 624 | /** Computes r = generator * n + q * m | ||
| 625 | * \param group underlying EC_GROUP object | ||
| 626 | * \param r EC_POINT object for the result | ||
| 627 | * \param n BIGNUM with the multiplier for the group generator (optional) | ||
| 628 | * \param q EC_POINT object with the first factor of the second summand | ||
| 629 | * \param m BIGNUM with the second factor of the second summand | ||
| 630 | * \param ctx BN_CTX object (optional) | ||
| 631 | * \return 1 on success and 0 if an error occured | ||
| 632 | */ | ||
| 633 | int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx); | ||
| 255 | 634 | ||
| 256 | int EC_POINTs_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, size_t num, const EC_POINT *[], const BIGNUM *[], BN_CTX *); | 635 | /** Stores multiples of generator for faster point multiplication |
| 257 | int EC_POINT_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, const EC_POINT *, const BIGNUM *, BN_CTX *); | 636 | * \param group EC_GROUP object |
| 258 | 637 | * \param ctx BN_CTX object (optional) | |
| 259 | /* EC_GROUP_precompute_mult() stores multiples of generator for faster point multiplication */ | 638 | * \return 1 on success and 0 if an error occured |
| 260 | int EC_GROUP_precompute_mult(EC_GROUP *, BN_CTX *); | 639 | */ |
| 261 | /* EC_GROUP_have_precompute_mult() reports whether such precomputation has been done */ | 640 | int EC_GROUP_precompute_mult(EC_GROUP *group, BN_CTX *ctx); |
| 262 | int EC_GROUP_have_precompute_mult(const EC_GROUP *); | ||
| 263 | 641 | ||
| 642 | /** Reports whether a precomputation has been done | ||
| 643 | * \param group EC_GROUP object | ||
| 644 | * \return 1 if a pre-computation has been done and 0 otherwise | ||
| 645 | */ | ||
| 646 | int EC_GROUP_have_precompute_mult(const EC_GROUP *group); | ||
| 264 | 647 | ||
| 265 | 648 | ||
| 266 | /* ASN1 stuff */ | 649 | /********************************************************************/ |
| 650 | /* ASN1 stuff */ | ||
| 651 | /********************************************************************/ | ||
| 267 | 652 | ||
| 268 | /* EC_GROUP_get_basis_type() returns the NID of the basis type | 653 | /* EC_GROUP_get_basis_type() returns the NID of the basis type |
| 269 | * used to represent the field elements */ | 654 | * used to represent the field elements */ |
| @@ -293,28 +678,96 @@ int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off); | |||
| 293 | int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off); | 678 | int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off); |
| 294 | #endif | 679 | #endif |
| 295 | 680 | ||
| 296 | /* the EC_KEY stuff */ | 681 | |
| 682 | /********************************************************************/ | ||
| 683 | /* EC_KEY functions */ | ||
| 684 | /********************************************************************/ | ||
| 685 | |||
| 297 | typedef struct ec_key_st EC_KEY; | 686 | typedef struct ec_key_st EC_KEY; |
| 298 | 687 | ||
| 299 | /* some values for the encoding_flag */ | 688 | /* some values for the encoding_flag */ |
| 300 | #define EC_PKEY_NO_PARAMETERS 0x001 | 689 | #define EC_PKEY_NO_PARAMETERS 0x001 |
| 301 | #define EC_PKEY_NO_PUBKEY 0x002 | 690 | #define EC_PKEY_NO_PUBKEY 0x002 |
| 302 | 691 | ||
| 692 | /** Creates a new EC_KEY object. | ||
| 693 | * \return EC_KEY object or NULL if an error occurred. | ||
| 694 | */ | ||
| 303 | EC_KEY *EC_KEY_new(void); | 695 | EC_KEY *EC_KEY_new(void); |
| 696 | |||
| 697 | /** Creates a new EC_KEY object using a named curve as underlying | ||
| 698 | * EC_GROUP object. | ||
| 699 | * \param nid NID of the named curve. | ||
| 700 | * \return EC_KEY object or NULL if an error occurred. | ||
| 701 | */ | ||
| 304 | EC_KEY *EC_KEY_new_by_curve_name(int nid); | 702 | EC_KEY *EC_KEY_new_by_curve_name(int nid); |
| 305 | void EC_KEY_free(EC_KEY *); | 703 | |
| 306 | EC_KEY *EC_KEY_copy(EC_KEY *, const EC_KEY *); | 704 | /** Frees a EC_KEY object. |
| 307 | EC_KEY *EC_KEY_dup(const EC_KEY *); | 705 | * \param key EC_KEY object to be freed. |
| 308 | 706 | */ | |
| 309 | int EC_KEY_up_ref(EC_KEY *); | 707 | void EC_KEY_free(EC_KEY *key); |
| 310 | 708 | ||
| 311 | const EC_GROUP *EC_KEY_get0_group(const EC_KEY *); | 709 | /** Copies a EC_KEY object. |
| 312 | int EC_KEY_set_group(EC_KEY *, const EC_GROUP *); | 710 | * \param dst destination EC_KEY object |
| 313 | const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *); | 711 | * \param src src EC_KEY object |
| 314 | int EC_KEY_set_private_key(EC_KEY *, const BIGNUM *); | 712 | * \return dst or NULL if an error occurred. |
| 315 | const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *); | 713 | */ |
| 316 | int EC_KEY_set_public_key(EC_KEY *, const EC_POINT *); | 714 | EC_KEY *EC_KEY_copy(EC_KEY *dst, const EC_KEY *src); |
| 317 | unsigned EC_KEY_get_enc_flags(const EC_KEY *); | 715 | |
| 716 | /** Creates a new EC_KEY object and copies the content from src to it. | ||
| 717 | * \param src the source EC_KEY object | ||
| 718 | * \return newly created EC_KEY object or NULL if an error occurred. | ||
| 719 | */ | ||
| 720 | EC_KEY *EC_KEY_dup(const EC_KEY *src); | ||
| 721 | |||
| 722 | /** Increases the internal reference count of a EC_KEY object. | ||
| 723 | * \param key EC_KEY object | ||
| 724 | * \return 1 on success and 0 if an error occurred. | ||
| 725 | */ | ||
| 726 | int EC_KEY_up_ref(EC_KEY *key); | ||
| 727 | |||
| 728 | /** Returns the EC_GROUP object of a EC_KEY object | ||
| 729 | * \param key EC_KEY object | ||
| 730 | * \return the EC_GROUP object (possibly NULL). | ||
| 731 | */ | ||
| 732 | const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key); | ||
| 733 | |||
| 734 | /** Sets the EC_GROUP of a EC_KEY object. | ||
| 735 | * \param key EC_KEY object | ||
| 736 | * \param group EC_GROUP to use in the EC_KEY object (note: the EC_KEY | ||
| 737 | * object will use an own copy of the EC_GROUP). | ||
| 738 | * \return 1 on success and 0 if an error occurred. | ||
| 739 | */ | ||
| 740 | int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group); | ||
| 741 | |||
| 742 | /** Returns the private key of a EC_KEY object. | ||
| 743 | * \param key EC_KEY object | ||
| 744 | * \return a BIGNUM with the private key (possibly NULL). | ||
| 745 | */ | ||
| 746 | const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key); | ||
| 747 | |||
| 748 | /** Sets the private key of a EC_KEY object. | ||
| 749 | * \param key EC_KEY object | ||
| 750 | * \param prv BIGNUM with the private key (note: the EC_KEY object | ||
| 751 | * will use an own copy of the BIGNUM). | ||
| 752 | * \return 1 on success and 0 if an error occurred. | ||
| 753 | */ | ||
| 754 | int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *prv); | ||
| 755 | |||
| 756 | /** Returns the public key of a EC_KEY object. | ||
| 757 | * \param key the EC_KEY object | ||
| 758 | * \return a EC_POINT object with the public key (possibly NULL) | ||
| 759 | */ | ||
| 760 | const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key); | ||
| 761 | |||
| 762 | /** Sets the public key of a EC_KEY object. | ||
| 763 | * \param key EC_KEY object | ||
| 764 | * \param pub EC_POINT object with the public key (note: the EC_KEY object | ||
| 765 | * will use an own copy of the EC_POINT object). | ||
| 766 | * \return 1 on success and 0 if an error occurred. | ||
| 767 | */ | ||
| 768 | int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub); | ||
| 769 | |||
| 770 | unsigned EC_KEY_get_enc_flags(const EC_KEY *key); | ||
| 318 | void EC_KEY_set_enc_flags(EC_KEY *, unsigned int); | 771 | void EC_KEY_set_enc_flags(EC_KEY *, unsigned int); |
| 319 | point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *); | 772 | point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *); |
| 320 | void EC_KEY_set_conv_form(EC_KEY *, point_conversion_form_t); | 773 | void EC_KEY_set_conv_form(EC_KEY *, point_conversion_form_t); |
| @@ -325,31 +778,126 @@ void EC_KEY_insert_key_method_data(EC_KEY *, void *data, | |||
| 325 | void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); | 778 | void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); |
| 326 | /* wrapper functions for the underlying EC_GROUP object */ | 779 | /* wrapper functions for the underlying EC_GROUP object */ |
| 327 | void EC_KEY_set_asn1_flag(EC_KEY *, int); | 780 | void EC_KEY_set_asn1_flag(EC_KEY *, int); |
| 328 | int EC_KEY_precompute_mult(EC_KEY *, BN_CTX *ctx); | 781 | |
| 329 | 782 | /** Creates a table of pre-computed multiples of the generator to | |
| 330 | /* EC_KEY_generate_key() creates a ec private (public) key */ | 783 | * accelerate further EC_KEY operations. |
| 331 | int EC_KEY_generate_key(EC_KEY *); | 784 | * \param key EC_KEY object |
| 332 | /* EC_KEY_check_key() */ | 785 | * \param ctx BN_CTX object (optional) |
| 333 | int EC_KEY_check_key(const EC_KEY *); | 786 | * \return 1 on success and 0 if an error occurred. |
| 334 | 787 | */ | |
| 335 | /* de- and encoding functions for SEC1 ECPrivateKey */ | 788 | int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx); |
| 336 | EC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len); | 789 | |
| 337 | int i2d_ECPrivateKey(EC_KEY *a, unsigned char **out); | 790 | /** Creates a new ec private (and optional a new public) key. |
| 338 | /* de- and encoding functions for EC parameters */ | 791 | * \param key EC_KEY object |
| 339 | EC_KEY *d2i_ECParameters(EC_KEY **a, const unsigned char **in, long len); | 792 | * \return 1 on success and 0 if an error occurred. |
| 340 | int i2d_ECParameters(EC_KEY *a, unsigned char **out); | 793 | */ |
| 341 | /* de- and encoding functions for EC public key | 794 | int EC_KEY_generate_key(EC_KEY *key); |
| 342 | * (octet string, not DER -- hence 'o2i' and 'i2o') */ | 795 | |
| 343 | EC_KEY *o2i_ECPublicKey(EC_KEY **a, const unsigned char **in, long len); | 796 | /** Verifies that a private and/or public key is valid. |
| 344 | int i2o_ECPublicKey(EC_KEY *a, unsigned char **out); | 797 | * \param key the EC_KEY object |
| 798 | * \return 1 on success and 0 otherwise. | ||
| 799 | */ | ||
| 800 | int EC_KEY_check_key(const EC_KEY *key); | ||
| 801 | |||
| 802 | |||
| 803 | /********************************************************************/ | ||
| 804 | /* de- and encoding functions for SEC1 ECPrivateKey */ | ||
| 805 | /********************************************************************/ | ||
| 806 | |||
| 807 | /** Decodes a private key from a memory buffer. | ||
| 808 | * \param key a pointer to a EC_KEY object which should be used (or NULL) | ||
| 809 | * \param in pointer to memory with the DER encoded private key | ||
| 810 | * \param len length of the DER encoded private key | ||
| 811 | * \return the decoded private key or NULL if an error occurred. | ||
| 812 | */ | ||
| 813 | EC_KEY *d2i_ECPrivateKey(EC_KEY **key, const unsigned char **in, long len); | ||
| 814 | |||
| 815 | /** Encodes a private key object and stores the result in a buffer. | ||
| 816 | * \param key the EC_KEY object to encode | ||
| 817 | * \param out the buffer for the result (if NULL the function returns number | ||
| 818 | * of bytes needed). | ||
| 819 | * \return 1 on success and 0 if an error occurred. | ||
| 820 | */ | ||
| 821 | int i2d_ECPrivateKey(EC_KEY *key, unsigned char **out); | ||
| 822 | |||
| 823 | |||
| 824 | /********************************************************************/ | ||
| 825 | /* de- and encoding functions for EC parameters */ | ||
| 826 | /********************************************************************/ | ||
| 827 | |||
| 828 | /** Decodes ec parameter from a memory buffer. | ||
| 829 | * \param key a pointer to a EC_KEY object which should be used (or NULL) | ||
| 830 | * \param in pointer to memory with the DER encoded ec parameters | ||
| 831 | * \param len length of the DER encoded ec parameters | ||
| 832 | * \return a EC_KEY object with the decoded parameters or NULL if an error | ||
| 833 | * occurred. | ||
| 834 | */ | ||
| 835 | EC_KEY *d2i_ECParameters(EC_KEY **key, const unsigned char **in, long len); | ||
| 836 | |||
| 837 | /** Encodes ec parameter and stores the result in a buffer. | ||
| 838 | * \param key the EC_KEY object with ec paramters to encode | ||
| 839 | * \param out the buffer for the result (if NULL the function returns number | ||
| 840 | * of bytes needed). | ||
| 841 | * \return 1 on success and 0 if an error occurred. | ||
| 842 | */ | ||
| 843 | int i2d_ECParameters(EC_KEY *key, unsigned char **out); | ||
| 844 | |||
| 845 | |||
| 846 | /********************************************************************/ | ||
| 847 | /* de- and encoding functions for EC public key */ | ||
| 848 | /* (octet string, not DER -- hence 'o2i' and 'i2o') */ | ||
| 849 | /********************************************************************/ | ||
| 850 | |||
| 851 | /** Decodes a ec public key from a octet string. | ||
| 852 | * \param key a pointer to a EC_KEY object which should be used | ||
| 853 | * \param in memory buffer with the encoded public key | ||
| 854 | * \param len length of the encoded public key | ||
| 855 | * \return EC_KEY object with decoded public key or NULL if an error | ||
| 856 | * occurred. | ||
| 857 | */ | ||
| 858 | EC_KEY *o2i_ECPublicKey(EC_KEY **key, const unsigned char **in, long len); | ||
| 859 | |||
| 860 | /** Encodes a ec public key in an octet string. | ||
| 861 | * \param key the EC_KEY object with the public key | ||
| 862 | * \param out the buffer for the result (if NULL the function returns number | ||
| 863 | * of bytes needed). | ||
| 864 | * \return 1 on success and 0 if an error occurred | ||
| 865 | */ | ||
| 866 | int i2o_ECPublicKey(EC_KEY *key, unsigned char **out); | ||
| 345 | 867 | ||
| 346 | #ifndef OPENSSL_NO_BIO | 868 | #ifndef OPENSSL_NO_BIO |
| 347 | int ECParameters_print(BIO *bp, const EC_KEY *x); | 869 | /** Prints out the ec parameters on human readable form. |
| 348 | int EC_KEY_print(BIO *bp, const EC_KEY *x, int off); | 870 | * \param bp BIO object to which the information is printed |
| 871 | * \param key EC_KEY object | ||
| 872 | * \return 1 on success and 0 if an error occurred | ||
| 873 | */ | ||
| 874 | int ECParameters_print(BIO *bp, const EC_KEY *key); | ||
| 875 | |||
| 876 | /** Prints out the contents of a EC_KEY object | ||
| 877 | * \param bp BIO object to which the information is printed | ||
| 878 | * \param key EC_KEY object | ||
| 879 | * \param off line offset | ||
| 880 | * \return 1 on success and 0 if an error occurred | ||
| 881 | */ | ||
| 882 | int EC_KEY_print(BIO *bp, const EC_KEY *key, int off); | ||
| 883 | |||
| 349 | #endif | 884 | #endif |
| 350 | #ifndef OPENSSL_NO_FP_API | 885 | #ifndef OPENSSL_NO_FP_API |
| 351 | int ECParameters_print_fp(FILE *fp, const EC_KEY *x); | 886 | /** Prints out the ec parameters on human readable form. |
| 352 | int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off); | 887 | * \param fp file descriptor to which the information is printed |
| 888 | * \param key EC_KEY object | ||
| 889 | * \return 1 on success and 0 if an error occurred | ||
| 890 | */ | ||
| 891 | int ECParameters_print_fp(FILE *fp, const EC_KEY *key); | ||
| 892 | |||
| 893 | /** Prints out the contents of a EC_KEY object | ||
| 894 | * \param fp file descriptor to which the information is printed | ||
| 895 | * \param key EC_KEY object | ||
| 896 | * \param off line offset | ||
| 897 | * \return 1 on success and 0 if an error occurred | ||
| 898 | */ | ||
| 899 | int EC_KEY_print_fp(FILE *fp, const EC_KEY *key, int off); | ||
| 900 | |||
| 353 | #endif | 901 | #endif |
| 354 | 902 | ||
| 355 | #define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x) | 903 | #define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x) |
| @@ -362,6 +910,13 @@ int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off); | |||
| 362 | # endif | 910 | # endif |
| 363 | #endif | 911 | #endif |
| 364 | 912 | ||
| 913 | #define EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid) \ | ||
| 914 | EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, EVP_PKEY_OP_PARAMGEN, \ | ||
| 915 | EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID, nid, NULL) | ||
| 916 | |||
| 917 | |||
| 918 | #define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID (EVP_PKEY_ALG_CTRL + 1) | ||
| 919 | |||
| 365 | /* BEGIN ERROR CODES */ | 920 | /* BEGIN ERROR CODES */ |
| 366 | /* The following lines are auto generated by the script mkerr.pl. Any changes | 921 | /* The following lines are auto generated by the script mkerr.pl. Any changes |
| 367 | * made after this point may be overwritten when the script is next run. | 922 | * made after this point may be overwritten when the script is next run. |
| @@ -375,6 +930,14 @@ void ERR_load_EC_strings(void); | |||
| 375 | #define EC_F_D2I_ECPARAMETERS 144 | 930 | #define EC_F_D2I_ECPARAMETERS 144 |
| 376 | #define EC_F_D2I_ECPKPARAMETERS 145 | 931 | #define EC_F_D2I_ECPKPARAMETERS 145 |
| 377 | #define EC_F_D2I_ECPRIVATEKEY 146 | 932 | #define EC_F_D2I_ECPRIVATEKEY 146 |
| 933 | #define EC_F_DO_EC_KEY_PRINT 221 | ||
| 934 | #define EC_F_ECKEY_PARAM2TYPE 223 | ||
| 935 | #define EC_F_ECKEY_PARAM_DECODE 212 | ||
| 936 | #define EC_F_ECKEY_PRIV_DECODE 213 | ||
| 937 | #define EC_F_ECKEY_PRIV_ENCODE 214 | ||
| 938 | #define EC_F_ECKEY_PUB_DECODE 215 | ||
| 939 | #define EC_F_ECKEY_PUB_ENCODE 216 | ||
| 940 | #define EC_F_ECKEY_TYPE2PARAM 220 | ||
| 378 | #define EC_F_ECPARAMETERS_PRINT 147 | 941 | #define EC_F_ECPARAMETERS_PRINT 147 |
| 379 | #define EC_F_ECPARAMETERS_PRINT_FP 148 | 942 | #define EC_F_ECPARAMETERS_PRINT_FP 148 |
| 380 | #define EC_F_ECPKPARAMETERS_PRINT 149 | 943 | #define EC_F_ECPKPARAMETERS_PRINT 149 |
| @@ -448,7 +1011,6 @@ void ERR_load_EC_strings(void); | |||
| 448 | #define EC_F_EC_KEY_PRINT 180 | 1011 | #define EC_F_EC_KEY_PRINT 180 |
| 449 | #define EC_F_EC_KEY_PRINT_FP 181 | 1012 | #define EC_F_EC_KEY_PRINT_FP 181 |
| 450 | #define EC_F_EC_POINTS_MAKE_AFFINE 136 | 1013 | #define EC_F_EC_POINTS_MAKE_AFFINE 136 |
| 451 | #define EC_F_EC_POINTS_MUL 138 | ||
| 452 | #define EC_F_EC_POINT_ADD 112 | 1014 | #define EC_F_EC_POINT_ADD 112 |
| 453 | #define EC_F_EC_POINT_CMP 113 | 1015 | #define EC_F_EC_POINT_CMP 113 |
| 454 | #define EC_F_EC_POINT_COPY 114 | 1016 | #define EC_F_EC_POINT_COPY 114 |
| @@ -479,21 +1041,31 @@ void ERR_load_EC_strings(void); | |||
| 479 | #define EC_F_I2D_ECPRIVATEKEY 192 | 1041 | #define EC_F_I2D_ECPRIVATEKEY 192 |
| 480 | #define EC_F_I2O_ECPUBLICKEY 151 | 1042 | #define EC_F_I2O_ECPUBLICKEY 151 |
| 481 | #define EC_F_O2I_ECPUBLICKEY 152 | 1043 | #define EC_F_O2I_ECPUBLICKEY 152 |
| 1044 | #define EC_F_OLD_EC_PRIV_DECODE 222 | ||
| 1045 | #define EC_F_PKEY_EC_CTRL 197 | ||
| 1046 | #define EC_F_PKEY_EC_CTRL_STR 198 | ||
| 1047 | #define EC_F_PKEY_EC_DERIVE 217 | ||
| 1048 | #define EC_F_PKEY_EC_KEYGEN 199 | ||
| 1049 | #define EC_F_PKEY_EC_PARAMGEN 219 | ||
| 1050 | #define EC_F_PKEY_EC_SIGN 218 | ||
| 482 | 1051 | ||
| 483 | /* Reason codes. */ | 1052 | /* Reason codes. */ |
| 484 | #define EC_R_ASN1_ERROR 115 | 1053 | #define EC_R_ASN1_ERROR 115 |
| 485 | #define EC_R_ASN1_UNKNOWN_FIELD 116 | 1054 | #define EC_R_ASN1_UNKNOWN_FIELD 116 |
| 486 | #define EC_R_BUFFER_TOO_SMALL 100 | 1055 | #define EC_R_BUFFER_TOO_SMALL 100 |
| 487 | #define EC_R_D2I_ECPKPARAMETERS_FAILURE 117 | 1056 | #define EC_R_D2I_ECPKPARAMETERS_FAILURE 117 |
| 1057 | #define EC_R_DECODE_ERROR 142 | ||
| 488 | #define EC_R_DISCRIMINANT_IS_ZERO 118 | 1058 | #define EC_R_DISCRIMINANT_IS_ZERO 118 |
| 489 | #define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 119 | 1059 | #define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 119 |
| 490 | #define EC_R_FIELD_TOO_LARGE 138 | 1060 | #define EC_R_FIELD_TOO_LARGE 143 |
| 491 | #define EC_R_GROUP2PKPARAMETERS_FAILURE 120 | 1061 | #define EC_R_GROUP2PKPARAMETERS_FAILURE 120 |
| 492 | #define EC_R_I2D_ECPKPARAMETERS_FAILURE 121 | 1062 | #define EC_R_I2D_ECPKPARAMETERS_FAILURE 121 |
| 493 | #define EC_R_INCOMPATIBLE_OBJECTS 101 | 1063 | #define EC_R_INCOMPATIBLE_OBJECTS 101 |
| 494 | #define EC_R_INVALID_ARGUMENT 112 | 1064 | #define EC_R_INVALID_ARGUMENT 112 |
| 495 | #define EC_R_INVALID_COMPRESSED_POINT 110 | 1065 | #define EC_R_INVALID_COMPRESSED_POINT 110 |
| 496 | #define EC_R_INVALID_COMPRESSION_BIT 109 | 1066 | #define EC_R_INVALID_COMPRESSION_BIT 109 |
| 1067 | #define EC_R_INVALID_CURVE 141 | ||
| 1068 | #define EC_R_INVALID_DIGEST_TYPE 138 | ||
| 497 | #define EC_R_INVALID_ENCODING 102 | 1069 | #define EC_R_INVALID_ENCODING 102 |
| 498 | #define EC_R_INVALID_FIELD 103 | 1070 | #define EC_R_INVALID_FIELD 103 |
| 499 | #define EC_R_INVALID_FORM 104 | 1071 | #define EC_R_INVALID_FORM 104 |
| @@ -501,6 +1073,7 @@ void ERR_load_EC_strings(void); | |||
| 501 | #define EC_R_INVALID_PENTANOMIAL_BASIS 132 | 1073 | #define EC_R_INVALID_PENTANOMIAL_BASIS 132 |
| 502 | #define EC_R_INVALID_PRIVATE_KEY 123 | 1074 | #define EC_R_INVALID_PRIVATE_KEY 123 |
| 503 | #define EC_R_INVALID_TRINOMIAL_BASIS 137 | 1075 | #define EC_R_INVALID_TRINOMIAL_BASIS 137 |
| 1076 | #define EC_R_KEYS_NOT_SET 140 | ||
| 504 | #define EC_R_MISSING_PARAMETERS 124 | 1077 | #define EC_R_MISSING_PARAMETERS 124 |
| 505 | #define EC_R_MISSING_PRIVATE_KEY 125 | 1078 | #define EC_R_MISSING_PRIVATE_KEY 125 |
| 506 | #define EC_R_NOT_A_NIST_PRIME 135 | 1079 | #define EC_R_NOT_A_NIST_PRIME 135 |
| @@ -508,6 +1081,7 @@ void ERR_load_EC_strings(void); | |||
| 508 | #define EC_R_NOT_IMPLEMENTED 126 | 1081 | #define EC_R_NOT_IMPLEMENTED 126 |
| 509 | #define EC_R_NOT_INITIALIZED 111 | 1082 | #define EC_R_NOT_INITIALIZED 111 |
| 510 | #define EC_R_NO_FIELD_MOD 133 | 1083 | #define EC_R_NO_FIELD_MOD 133 |
| 1084 | #define EC_R_NO_PARAMETERS_SET 139 | ||
| 511 | #define EC_R_PASSED_NULL_PARAMETER 134 | 1085 | #define EC_R_PASSED_NULL_PARAMETER 134 |
| 512 | #define EC_R_PKPARAMETERS2GROUP_FAILURE 127 | 1086 | #define EC_R_PKPARAMETERS2GROUP_FAILURE 127 |
| 513 | #define EC_R_POINT_AT_INFINITY 106 | 1087 | #define EC_R_POINT_AT_INFINITY 106 |
