crypto/ec/ec.h

   1 /* crypto/ec/ec.h */
   2 /* ====================================================================
   3  * Copyright (c) 1998-2002 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  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
  57  *
  58  * Portions of the attached software ("Contribution") are developed by
  59  * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
  60  *
  61  * The Contribution is licensed pursuant to the OpenSSL open source
  62  * license provided above.
  63  *
  64  * In addition, Sun covenants to all licensees who provide a reciprocal
  65  * covenant with respect to their own patents if any, not to sue under
  66  * current and future patent claims necessarily infringed by the making,
  67  * using, practicing, selling, offering for sale and/or otherwise
  68  * disposing of the Contribution as delivered hereunder
  69  * (or portions thereof), provided that such covenant shall not apply:
  70  *  1) for code that a licensee deletes from the Contribution;
  71  *  2) separates from the Contribution; or
  72  *  3) for infringements caused by:
  73  *       i) the modification of the Contribution or
  74  *      ii) the combination of the Contribution with other software or
  75  *          devices where such combination causes the infringement.
  76  *
  77  * The elliptic curve binary polynomial software is originally written by
  78  * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
  79  *
  80  */
  81
  82 #ifndef HEADER_EC_H
  83 #define HEADER_EC_H
  84
  85 #ifdef OPENSSL_NO_EC
  86 #error EC is disabled.
  87 #endif
  88
  89 #include <openssl/bn.h>
  90 #include <openssl/asn1.h>
  91 #include <openssl/symhacks.h>
  92
  93 #ifdef  __cplusplus
  94 extern "C" {
  95 #endif
  96
  97
  98 typedef enum {
  99         /* values as defined in X9.62 (ECDSA) and elsewhere */
 100         POINT_CONVERSION_COMPRESSED = 2,
 101         POINT_CONVERSION_UNCOMPRESSED = 4,
 102         POINT_CONVERSION_HYBRID = 6
 103 } point_conversion_form_t;
 104
 105
 106 typedef struct ec_method_st EC_METHOD;
 107
 108 typedef struct ec_group_st
 109         /*
 110          EC_METHOD *meth;
 111          -- field definition
 112          -- curve coefficients
 113          -- optional generator with associated information (order, cofactor)
 114          -- optional extra data (TODO: precomputed table for fast computation of multiples of generator)
 115          -- ASN1 stuff
 116         */
 117         EC_GROUP;
 118
 119 typedef struct ec_point_st EC_POINT;
 120
 121
 122 /* EC_METHODs for curves over GF(p).
 123  * EC_GFp_simple_method provides the basis for the optimized methods.
 124  */
 125 const EC_METHOD *EC_GFp_simple_method(void);
 126 const EC_METHOD *EC_GFp_mont_method(void);
 127 #if 0
 128 const EC_METHOD *EC_GFp_recp_method(void); /* TODO */
 129 const EC_METHOD *EC_GFp_nist_method(void); /* TODO */
 130 #endif
 131
 132 /* EC_METHOD for curves over GF(2^m).
 133  */
 134 const EC_METHOD *EC_GF2m_simple_method(void);
 135
 136
 137 EC_GROUP *EC_GROUP_new(const EC_METHOD *);
 138 void EC_GROUP_free(EC_GROUP *);
 139 void EC_GROUP_clear_free(EC_GROUP *);
 140 int EC_GROUP_copy(EC_GROUP *, const EC_GROUP *);
 141 EC_GROUP *EC_GROUP_dup(const EC_GROUP *);
 142
 143 const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *);
 144 int EC_METHOD_get_field_type(const EC_METHOD *);
 145
 146 int EC_GROUP_set_generator(EC_GROUP *, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor);
 147 EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *);
 148 int EC_GROUP_get_order(const EC_GROUP *, BIGNUM *order, BN_CTX *);
 149 int EC_GROUP_get_cofactor(const EC_GROUP *, BIGNUM *cofactor, BN_CTX *);
 150
 151 void EC_GROUP_set_nid(EC_GROUP *, int); /* curve name */
 152 int EC_GROUP_get_nid(const EC_GROUP *);
 153
 154 void EC_GROUP_set_asn1_flag(EC_GROUP *, int flag);
 155 int EC_GROUP_get_asn1_flag(const EC_GROUP *);
 156
 157 void EC_GROUP_set_point_conversion_form(EC_GROUP *, point_conversion_form_t);
 158 point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *);
 159
 160 unsigned char *EC_GROUP_get0_seed(const EC_GROUP *);
 161 size_t EC_GROUP_get_seed_len(const EC_GROUP *);
 162 size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len);
 163
 164 int EC_GROUP_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
 165 int EC_GROUP_get_curve_GFp(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *);
 166 int EC_GROUP_set_curve_GF2m(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
 167 int EC_GROUP_get_curve_GF2m(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *);
 168
 169 int EC_GROUP_get_degree(const EC_GROUP *);
 170
 171 /* EC_GROUP_check() returns 1 if 'group' defines a valid group, 0 otherwise */
 172 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
 177 /* EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*()
 178  * after choosing an appropriate EC_METHOD */
 179 EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
 180 EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
 181
 182 /* EC_GROUP_new_by_nid() and EC_GROUP_new_by_name() also set
 183  * generator and order */
 184 EC_GROUP *EC_GROUP_new_by_nid(int nid);
 185 EC_GROUP *EC_GROUP_new_by_name(int name);
 186 /* Currently valid arguments to EC_GROUP_new_by_name() */
 187 #define EC_GROUP_NO_CURVE               0
 188 #define EC_GROUP_NIST_PRIME_192         NID_X9_62_prime192v1
 189 #define EC_GROUP_NIST_PRIME_224         NID_secp224r1
 190 #define EC_GROUP_NIST_PRIME_256         NID_X9_62_prime256v1
 191 #define EC_GROUP_NIST_PRIME_384         NID_secp384r1
 192 #define EC_GROUP_NIST_PRIME_521         NID_secp521r1
 193 #define EC_GROUP_X9_62_PRIME_192V1      NID_X9_62_prime192v1
 194 #define EC_GROUP_X9_62_PRIME_192V2      NID_X9_62_prime192v2
 195 #define EC_GROUP_X9_62_PRIME_192V3      NID_X9_62_prime192v3
 196 #define EC_GROUP_X9_62_PRIME_239V1      NID_X9_62_prime239v1
 197 #define EC_GROUP_X9_62_PRIME_239V2      NID_X9_62_prime239v2
 198 #define EC_GROUP_X9_62_PRIME_239V3      NID_X9_62_prime239v3
 199 #define EC_GROUP_X9_62_PRIME_256V1      NID_X9_62_prime256v1
 200 #define EC_GROUP_SECG_PRIME_112R1       NID_secp112r1
 201 #define EC_GROUP_SECG_PRIME_112R2       NID_secp112r2
 202 #define EC_GROUP_SECG_PRIME_128R1       NID_secp128r1
 203 #define EC_GROUP_SECG_PRIME_128R2       NID_secp128r2
 204 #define EC_GROUP_SECG_PRIME_160K1       NID_secp160k1
 205 #define EC_GROUP_SECG_PRIME_160R1       NID_secp160r1
 206 #define EC_GROUP_SECG_PRIME_160R2       NID_secp160r2
 207 #define EC_GROUP_SECG_PRIME_192K1       NID_secp192k1
 208 #define EC_GROUP_SECG_PRIME_192R1       NID_X9_62_prime192v1
 209 #define EC_GROUP_SECG_PRIME_224K1       NID_secp224k1
 210 #define EC_GROUP_SECG_PRIME_224R1       NID_secp224r1
 211 #define EC_GROUP_SECG_PRIME_256K1       NID_secp256k1
 212 #define EC_GROUP_SECG_PRIME_256R1       NID_X9_62_prime256v1
 213 #define EC_GROUP_SECG_PRIME_384R1       NID_secp384r1
 214 #define EC_GROUP_SECG_PRIME_521R1       NID_secp521r1
 215 #define EC_GROUP_WTLS_6                 NID_wap_wsg_idm_ecid_wtls6
 216 #define EC_GROUP_WTLS_7                 NID_wap_wsg_idm_ecid_wtls7
 217 #define EC_GROUP_WTLS_8                 NID_wap_wsg_idm_ecid_wtls8
 218 #define EC_GROUP_WTLS_9                 NID_wap_wsg_idm_ecid_wtls9
 219 #define EC_GROUP_WTLS_12                NID_wap_wsg_idm_ecid_wtls12
 220 #define EC_GROUP_NIST_CHAR2_K163        NID_sect163k1
 221 #define EC_GROUP_NIST_CHAR2_B163        NID_sect163r2
 222 #define EC_GROUP_NIST_CHAR2_K233        NID_sect233k1
 223 #define EC_GROUP_NIST_CHAR2_B233        NID_sect233r1
 224 #define EC_GROUP_NIST_CHAR2_K283        NID_sect283k1
 225 #define EC_GROUP_NIST_CHAR2_B283        NID_sect283r1
 226 #define EC_GROUP_NIST_CHAR2_K409        NID_sect409k1
 227 #define EC_GROUP_NIST_CHAR2_B409        NID_sect409r1
 228 #define EC_GROUP_NIST_CHAR2_K571        NID_sect571k1
 229 #define EC_GROUP_NIST_CHAR2_B571        NID_sect571r1
 230 #define EC_GROUP_X9_62_CHAR2_163V1      NID_X9_62_c2pnb163v1
 231 #define EC_GROUP_X9_62_CHAR2_163V2      NID_X9_62_c2pnb163v2
 232 #define EC_GROUP_X9_62_CHAR2_163V3      NID_X9_62_c2pnb163v3
 233 #define EC_GROUP_X9_62_CHAR2_176V1      NID_X9_62_c2pnb176v1
 234 #define EC_GROUP_X9_62_CHAR2_191V1      NID_X9_62_c2tnb191v1
 235 #define EC_GROUP_X9_62_CHAR2_191V2      NID_X9_62_c2tnb191v2
 236 #define EC_GROUP_X9_62_CHAR2_191V3      NID_X9_62_c2tnb191v3
 237 #define EC_GROUP_X9_62_CHAR2_208W1      NID_X9_62_c2pnb208w1
 238 #define EC_GROUP_X9_62_CHAR2_239V1      NID_X9_62_c2tnb239v1
 239 #define EC_GROUP_X9_62_CHAR2_239V2      NID_X9_62_c2tnb239v2
 240 #define EC_GROUP_X9_62_CHAR2_239V3      NID_X9_62_c2tnb239v3
 241 #define EC_GROUP_X9_62_CHAR2_272W1      NID_X9_62_c2pnb272w1
 242 #define EC_GROUP_X9_62_CHAR2_304W1      NID_X9_62_c2pnb304w1
 243 #define EC_GROUP_X9_62_CHAR2_359V1      NID_X9_62_c2tnb359v1
 244 #define EC_GROUP_X9_62_CHAR2_368W1      NID_X9_62_c2pnb368w1
 245 #define EC_GROUP_X9_62_CHAR2_431R1      NID_X9_62_c2tnb431r1
 246 #define EC_GROUP_SECG_CHAR2_113R1       NID_sect113r1
 247 #define EC_GROUP_SECG_CHAR2_113R2       NID_sect113r2
 248 #define EC_GROUP_SECG_CHAR2_131R1       NID_sect131r1
 249 #define EC_GROUP_SECG_CHAR2_131R2       NID_sect131r2
 250 #define EC_GROUP_SECG_CHAR2_163K1       NID_sect163k1
 251 #define EC_GROUP_SECG_CHAR2_163R1       NID_sect163r1
 252 #define EC_GROUP_SECG_CHAR2_163R2       NID_sect163r2
 253 #define EC_GROUP_SECG_CHAR2_193R1       NID_sect193r1
 254 #define EC_GROUP_SECG_CHAR2_193R2       NID_sect193r2
 255 #define EC_GROUP_SECG_CHAR2_233K1       NID_sect233k1
 256 #define EC_GROUP_SECG_CHAR2_233R1       NID_sect233r1
 257 #define EC_GROUP_SECG_CHAR2_239K1       NID_sect239k1
 258 #define EC_GROUP_SECG_CHAR2_283K1       NID_sect283k1
 259 #define EC_GROUP_SECG_CHAR2_283R1       NID_sect283r1
 260 #define EC_GROUP_SECG_CHAR2_409K1       NID_sect409k1
 261 #define EC_GROUP_SECG_CHAR2_409R1       NID_sect409r1
 262 #define EC_GROUP_SECG_CHAR2_571K1       NID_sect571k1
 263 #define EC_GROUP_SECG_CHAR2_571R1       NID_sect571r1
 264 #define EC_GROUP_WTLS_1                 NID_wap_wsg_idm_ecid_wtls1
 265 #define EC_GROUP_WTLS_3                 NID_wap_wsg_idm_ecid_wtls3
 266 #define EC_GROUP_WTLS_4                 NID_wap_wsg_idm_ecid_wtls4
 267 #define EC_GROUP_WTLS_5                 NID_wap_wsg_idm_ecid_wtls5
 268 #define EC_GROUP_WTLS_10                NID_wap_wsg_idm_ecid_wtls10
 269 #define EC_GROUP_WTLS_11                NID_wap_wsg_idm_ecid_wtls11
 270
 271 EC_POINT *EC_POINT_new(const EC_GROUP *);
 272 void EC_POINT_free(EC_POINT *);
 273 void EC_POINT_clear_free(EC_POINT *);
 274 int EC_POINT_copy(EC_POINT *, const EC_POINT *);
 275 EC_POINT *EC_POINT_dup(const EC_POINT *, const EC_GROUP *);
 276
 277 const EC_METHOD *EC_POINT_method_of(const EC_POINT *);
 278
 279 int EC_POINT_set_to_infinity(const EC_GROUP *, EC_POINT *);
 280 int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *, EC_POINT *,
 281         const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *);
 282 int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *, const EC_POINT *,
 283         BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *);
 284 int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *, EC_POINT *,
 285         const BIGNUM *x, const BIGNUM *y, BN_CTX *);
 286 int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *, const EC_POINT *,
 287         BIGNUM *x, BIGNUM *y, BN_CTX *);
 288 int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *, EC_POINT *,
 289         const BIGNUM *x, int y_bit, BN_CTX *);
 290
 291 int EC_POINT_set_Jprojective_coordinates_GF2m(const EC_GROUP *, EC_POINT *,
 292         const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *);
 293 int EC_POINT_get_Jprojective_coordinates_GF2m(const EC_GROUP *, const EC_POINT *,
 294         BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *);
 295 int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *, EC_POINT *,
 296         const BIGNUM *x, const BIGNUM *y, BN_CTX *);
 297 int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *, const EC_POINT *,
 298         BIGNUM *x, BIGNUM *y, BN_CTX *);
 299 int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *, EC_POINT *,
 300         const BIGNUM *x, int y_bit, BN_CTX *);
 301
 302 size_t EC_POINT_point2oct(const EC_GROUP *, const EC_POINT *, point_conversion_form_t form,
 303         unsigned char *buf, size_t len, BN_CTX *);
 304 int EC_POINT_oct2point(const EC_GROUP *, EC_POINT *,
 305         const unsigned char *buf, size_t len, BN_CTX *);
 306
 307 /* other interfaces to point2oct/oct2point: */
 308 BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *,
 309         point_conversion_form_t form, BIGNUM *, BN_CTX *);
 310 EC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *,
 311         EC_POINT *, BN_CTX *);
 312 char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *,
 313         point_conversion_form_t form, BN_CTX *);
 314 EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *,
 315         EC_POINT *, BN_CTX *);
 316
 317 int EC_POINT_add(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
 318 int EC_POINT_dbl(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, BN_CTX *);
 319 int EC_POINT_invert(const EC_GROUP *, EC_POINT *, BN_CTX *);
 320
 321 int EC_POINT_is_at_infinity(const EC_GROUP *, const EC_POINT *);
 322 int EC_POINT_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *);
 323 int EC_POINT_cmp(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
 324
 325 int EC_POINT_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *);
 326 int EC_POINTs_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *);
 327
 328
 329 int EC_POINTs_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, size_t num, const EC_POINT *[], const BIGNUM *[], BN_CTX *);
 330 int EC_POINT_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, const EC_POINT *, const BIGNUM *, BN_CTX *);
 331 int EC_GROUP_precompute_mult(EC_GROUP *, BN_CTX *);
 332
 333
 334
 335 /* ASN1 stuff */
 336 #define OPENSSL_EC_NAMED_CURVE  0x001
 337
 338 typedef struct ec_parameters_st ECPARAMETERS;
 339 typedef struct ecpk_parameters_st ECPKPARAMETERS;
 340
 341 DECLARE_ASN1_ITEM(ECPARAMETERS)
 342 DECLARE_ASN1_ITEM(ECPKPARAMETERS)
 343 DECLARE_ASN1_ENCODE_FUNCTIONS_const(ECPARAMETERS, ECPARAMETERS)
 344 DECLARE_ASN1_ENCODE_FUNCTIONS_const(ECPKPARAMETERS, ECPKPARAMETERS)
 345
 346 EC_GROUP *EC_ASN1_pkparameters2group(const ECPKPARAMETERS *);
 347 ECPKPARAMETERS *EC_ASN1_group2pkparameters(const EC_GROUP *, ECPKPARAMETERS *);
 348
 349
 350 EC_GROUP *d2i_ECParameters(EC_GROUP **, const unsigned char **in, long len);
 351 int i2d_ECParameters(const EC_GROUP *, unsigned char **out);
 352
 353 EC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len);
 354 int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out);
 355
 356 #define d2i_ECPKParameters_bio(bp,x) (EC_GROUP *)ASN1_d2i_bio(NULL, \
 357                 (char *(*)())d2i_ECPKParameters,(bp),(unsigned char **)(x))
 358 #define i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio(i2d_ECPKParameters,(bp), \
 359                 (unsigned char *)(x))
 360 #define d2i_ECPKParameters_fp(fp,x) (EC_GROUP *)ASN1_d2i_fp(NULL, \
 361                 (char *(*)())d2i_ECPKParameters,(fp),(unsigned char **)(x))
 362 #define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \
 363                 (unsigned char *)(x))
 364
 365 #ifndef OPENSSL_NO_BIO
 366 int     ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off);
 367 #endif
 368 #ifndef OPENSSL_NO_FP_API
 369 int     ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off);
 370 #endif
 371
 372 /* SEC1 ECPrivateKey */
 373 typedef struct ec_privatekey_st {
 374         int               version;
 375         ASN1_OCTET_STRING *privateKey;
 376         ECPKPARAMETERS    *parameters;
 377         ASN1_BIT_STRING   *publicKey;
 378         } EC_PRIVATEKEY;
 379
 380 DECLARE_ASN1_ITEM(EC_PRIVATEKEY)
 381 DECLARE_ASN1_FUNCTIONS_const(EC_PRIVATEKEY)
 382 DECLARE_ASN1_ENCODE_FUNCTIONS_const(EC_PRIVATEKEY, EC_PRIVATEKEY)
 383
 384
 385 /* BEGIN ERROR CODES */
 386 /* The following lines are auto generated by the script mkerr.pl. Any changes
 387  * made after this point may be overwritten when the script is next run.
 388  */
 389 void ERR_load_EC_strings(void);
 390
 391 /* Error codes for the EC functions. */
 392
 393 /* Function codes. */
 394 #define EC_F_COMPUTE_WNAF                                143
 395 #define EC_F_D2I_ECDSAPARAMETERS                         154
 396 #define EC_F_D2I_ECPARAMETERS                            155
 397 #define EC_F_D2I_ECPKPARAMETERS                          161
 398 #define EC_F_ECPKPARAMETERS_PRINT                        166
 399 #define EC_F_ECPKPARAMETERS_PRINT_FP                     167
 400 #define EC_F_EC_ASN1_GROUP2CURVE                         159
 401 #define EC_F_EC_ASN1_GROUP2FIELDID                       156
 402 #define EC_F_EC_ASN1_GROUP2PARAMETERS                    160
 403 #define EC_F_EC_ASN1_GROUP2PKPARAMETERS                  162
 404 #define EC_F_EC_ASN1_PARAMETERS2GROUP                    157
 405 #define EC_F_EC_ASN1_PKPARAMETERS2GROUP                  163
 406 #define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT     168
 407 #define EC_F_EC_GF2M_SIMPLE_OCT2POINT                    169
 408 #define EC_F_EC_GF2M_SIMPLE_POINT2OCT                    170
 409 #define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES_GF2M 171
 410 #define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES_GF2M 172
 411 #define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES_GF2M 185
 412 #define EC_F_EC_GFP_MONT_FIELD_DECODE                    133
 413 #define EC_F_EC_GFP_MONT_FIELD_ENCODE                    134
 414 #define EC_F_EC_GFP_MONT_FIELD_MUL                       131
 415 #define EC_F_EC_GFP_MONT_FIELD_SQR                       132
 416 #define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT      152
 417 #define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP           100
 418 #define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR           101
 419 #define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE                   102
 420 #define EC_F_EC_GFP_SIMPLE_OCT2POINT                     103
 421 #define EC_F_EC_GFP_SIMPLE_POINT2OCT                     104
 422 #define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE            137
 423 #define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105
 424 #define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128
 425 #define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129
 426 #define EC_F_EC_GROUP_CHECK                              150
 427 #define EC_F_EC_GROUP_CHECK_DISCRIMINANT                 153
 428 #define EC_F_EC_GROUP_COPY                               106
 429 #define EC_F_EC_GROUP_GET0_GENERATOR                     139
 430 #define EC_F_EC_GROUP_GET_COFACTOR                       140
 431 #define EC_F_EC_GROUP_GET_CURVE_GF2M                     173
 432 #define EC_F_EC_GROUP_GET_CURVE_GFP                      130
 433 #define EC_F_EC_GROUP_GET_DEGREE                         174
 434 #define EC_F_EC_GROUP_GET_EXTRA_DATA                     107
 435 #define EC_F_EC_GROUP_GET_ORDER                          141
 436 #define EC_F_EC_GROUP_GROUP2NID                          147
 437 #define EC_F_EC_GROUP_NEW                                108
 438 #define EC_F_EC_GROUP_NEW_BY_NAME                        144
 439 #define EC_F_EC_GROUP_NEW_BY_NID                         146
 440 #define EC_F_EC_GROUP_NEW_GF2M_FROM_HEX                  175
 441 #define EC_F_EC_GROUP_NEW_GFP_FROM_HEX                   148
 442 #define EC_F_EC_GROUP_PRECOMPUTE_MULT                    142
 443 #define EC_F_EC_GROUP_SET_CURVE_GF2M                     176
 444 #define EC_F_EC_GROUP_SET_CURVE_GFP                      109
 445 #define EC_F_EC_GROUP_SET_EXTRA_DATA                     110
 446 #define EC_F_EC_GROUP_SET_GENERATOR                      111
 447 #define EC_F_EC_POINTS_MAKE_AFFINE                       136
 448 #define EC_F_EC_POINTS_MUL                               138
 449 #define EC_F_EC_POINT_ADD                                112
 450 #define EC_F_EC_POINT_CMP                                113
 451 #define EC_F_EC_POINT_COPY                               114
 452 #define EC_F_EC_POINT_DBL                                115
 453 #define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M        177
 454 #define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP         116
 455 #define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GF2M   178
 456 #define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP    117
 457 #define EC_F_EC_POINT_IS_AT_INFINITY                     118
 458 #define EC_F_EC_POINT_IS_ON_CURVE                        119
 459 #define EC_F_EC_POINT_MAKE_AFFINE                        120
 460 #define EC_F_EC_POINT_MUL                                179
 461 #define EC_F_EC_POINT_NEW                                121
 462 #define EC_F_EC_POINT_OCT2POINT                          122
 463 #define EC_F_EC_POINT_POINT2OCT                          123
 464 #define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M        180
 465 #define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP         124
 466 #define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M    181
 467 #define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP     125
 468 #define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GF2M   182
 469 #define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP    126
 470 #define EC_F_EC_POINT_SET_TO_INFINITY                    127
 471 #define EC_F_EC_WNAF_MUL                                 183
 472 #define EC_F_EC_WNAF_PRECOMPUTE_MULT                     184
 473 #define EC_F_GFP_MONT_GROUP_SET_CURVE_GFP                135
 474 #define EC_F_I2D_ECDSAPARAMETERS                         158
 475 #define EC_F_I2D_ECPARAMETERS                            164
 476 #define EC_F_I2D_ECPKPARAMETERS                          165
 477
 478 /* Reason codes. */
 479 #define EC_R_ASN1_ERROR                                  130
 480 #define EC_R_ASN1_UNKNOWN_FIELD                          131
 481 #define EC_R_BUFFER_TOO_SMALL                            100
 482 #define EC_R_D2I_ECPARAMETERS_FAILURE                    132
 483 #define EC_R_D2I_ECPKPARAMETERS_FAILURE                  133
 484 #define EC_R_D2I_EC_PARAMETERS_FAILURE                   123
 485 #define EC_R_DISCRIMINANT_IS_ZERO                        118
 486 #define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE                124
 487 #define EC_R_GROUP2PARAMETERS_FAILURE                    125
 488 #define EC_R_GROUP2PKPARAMETERS_FAILURE                  134
 489 #define EC_R_I2D_ECPKPARAMETERS_FAILURE                  135
 490 #define EC_R_I2D_EC_PARAMETERS_FAILURE                   126
 491 #define EC_R_INCOMPATIBLE_OBJECTS                        101
 492 #define EC_R_INVALID_ARGUMENT                            112
 493 #define EC_R_INVALID_COMPRESSED_POINT                    110
 494 #define EC_R_INVALID_COMPRESSION_BIT                     109
 495 #define EC_R_INVALID_ENCODING                            102
 496 #define EC_R_INVALID_FIELD                               103
 497 #define EC_R_INVALID_FORM                                104
 498 #define EC_R_INVALID_GROUP_ORDER                         119
 499 #define EC_R_MISSING_PARAMETERS                          127
 500 #define EC_R_NOT_IMPLEMENTED                             136
 501 #define EC_R_NOT_INITIALIZED                             111
 502 #define EC_R_NO_SUCH_EXTRA_DATA                          105
 503 #define EC_R_PARAMETERS2GROUP_FAILURE                    128
 504 #define EC_R_PKPARAMETERS2GROUP_FAILURE                  137
 505 #define EC_R_POINT_AT_INFINITY                           106
 506 #define EC_R_POINT_IS_NOT_ON_CURVE                       107
 507 #define EC_R_SLOT_FULL                                   108
 508 #define EC_R_UNDEFINED_GENERATOR                         113
 509 #define EC_R_UNDEFINED_ORDER                             122
 510 #define EC_R_UNKNOWN_GROUP                               116
 511 #define EC_R_UNKNOWN_NID                                 117
 512 #define EC_R_UNKNOWN_ORDER                               114
 513 #define EC_R_UNKNOWN_PARAMETERS_TYPE                     129
 514
 515 #ifdef  __cplusplus
 516 }
 517 #endif
 518 #endif