ec.h revision 160814
1109998Smarkm/* crypto/ec/ec.h */ 2160814Ssimon/* 3160814Ssimon * Originally written by Bodo Moeller for the OpenSSL project. 4160814Ssimon */ 5109998Smarkm/* ==================================================================== 6160814Ssimon * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. 7109998Smarkm * 8109998Smarkm * Redistribution and use in source and binary forms, with or without 9109998Smarkm * modification, are permitted provided that the following conditions 10109998Smarkm * are met: 11109998Smarkm * 12109998Smarkm * 1. Redistributions of source code must retain the above copyright 13109998Smarkm * notice, this list of conditions and the following disclaimer. 14109998Smarkm * 15109998Smarkm * 2. Redistributions in binary form must reproduce the above copyright 16109998Smarkm * notice, this list of conditions and the following disclaimer in 17109998Smarkm * the documentation and/or other materials provided with the 18109998Smarkm * distribution. 19109998Smarkm * 20109998Smarkm * 3. All advertising materials mentioning features or use of this 21109998Smarkm * software must display the following acknowledgment: 22109998Smarkm * "This product includes software developed by the OpenSSL Project 23109998Smarkm * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 24109998Smarkm * 25109998Smarkm * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26109998Smarkm * endorse or promote products derived from this software without 27109998Smarkm * prior written permission. For written permission, please contact 28109998Smarkm * openssl-core@openssl.org. 29109998Smarkm * 30109998Smarkm * 5. Products derived from this software may not be called "OpenSSL" 31109998Smarkm * nor may "OpenSSL" appear in their names without prior written 32109998Smarkm * permission of the OpenSSL Project. 33109998Smarkm * 34109998Smarkm * 6. Redistributions of any form whatsoever must retain the following 35109998Smarkm * acknowledgment: 36109998Smarkm * "This product includes software developed by the OpenSSL Project 37109998Smarkm * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 38109998Smarkm * 39109998Smarkm * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40109998Smarkm * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41109998Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42109998Smarkm * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43109998Smarkm * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44109998Smarkm * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45109998Smarkm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46109998Smarkm * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47109998Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48109998Smarkm * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49109998Smarkm * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50109998Smarkm * OF THE POSSIBILITY OF SUCH DAMAGE. 51109998Smarkm * ==================================================================== 52109998Smarkm * 53109998Smarkm * This product includes cryptographic software written by Eric Young 54109998Smarkm * (eay@cryptsoft.com). This product includes software written by Tim 55109998Smarkm * Hudson (tjh@cryptsoft.com). 56109998Smarkm * 57109998Smarkm */ 58160814Ssimon/* ==================================================================== 59160814Ssimon * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 60160814Ssimon * 61160814Ssimon * Portions of the attached software ("Contribution") are developed by 62160814Ssimon * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. 63160814Ssimon * 64160814Ssimon * The Contribution is licensed pursuant to the OpenSSL open source 65160814Ssimon * license provided above. 66160814Ssimon * 67160814Ssimon * The elliptic curve binary polynomial software is originally written by 68160814Ssimon * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. 69160814Ssimon * 70160814Ssimon */ 71109998Smarkm 72109998Smarkm#ifndef HEADER_EC_H 73109998Smarkm#define HEADER_EC_H 74109998Smarkm 75160814Ssimon#include <openssl/opensslconf.h> 76160814Ssimon 77109998Smarkm#ifdef OPENSSL_NO_EC 78109998Smarkm#error EC is disabled. 79109998Smarkm#endif 80109998Smarkm 81160814Ssimon#include <openssl/asn1.h> 82160814Ssimon#include <openssl/symhacks.h> 83160814Ssimon#ifndef OPENSSL_NO_DEPRECATED 84109998Smarkm#include <openssl/bn.h> 85160814Ssimon#endif 86109998Smarkm 87109998Smarkm#ifdef __cplusplus 88109998Smarkmextern "C" { 89160814Ssimon#elif defined(__SUNPRO_C) 90160814Ssimon# if __SUNPRO_C >= 0x520 91160814Ssimon# pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) 92160814Ssimon# endif 93109998Smarkm#endif 94109998Smarkm 95109998Smarkm 96109998Smarkmtypedef enum { 97109998Smarkm /* values as defined in X9.62 (ECDSA) and elsewhere */ 98109998Smarkm POINT_CONVERSION_COMPRESSED = 2, 99109998Smarkm POINT_CONVERSION_UNCOMPRESSED = 4, 100109998Smarkm POINT_CONVERSION_HYBRID = 6 101109998Smarkm} point_conversion_form_t; 102109998Smarkm 103109998Smarkm 104109998Smarkmtypedef struct ec_method_st EC_METHOD; 105109998Smarkm 106109998Smarkmtypedef struct ec_group_st 107109998Smarkm /* 108109998Smarkm EC_METHOD *meth; 109109998Smarkm -- field definition 110109998Smarkm -- curve coefficients 111109998Smarkm -- optional generator with associated information (order, cofactor) 112160814Ssimon -- optional extra data (precomputed table for fast computation of multiples of generator) 113160814Ssimon -- ASN1 stuff 114109998Smarkm */ 115109998Smarkm EC_GROUP; 116109998Smarkm 117109998Smarkmtypedef struct ec_point_st EC_POINT; 118109998Smarkm 119109998Smarkm 120109998Smarkm/* EC_METHODs for curves over GF(p). 121109998Smarkm * EC_GFp_simple_method provides the basis for the optimized methods. 122109998Smarkm */ 123109998Smarkmconst EC_METHOD *EC_GFp_simple_method(void); 124109998Smarkmconst EC_METHOD *EC_GFp_mont_method(void); 125160814Ssimonconst EC_METHOD *EC_GFp_nist_method(void); 126109998Smarkm 127160814Ssimon/* EC_METHOD for curves over GF(2^m). 128160814Ssimon */ 129160814Ssimonconst EC_METHOD *EC_GF2m_simple_method(void); 130109998Smarkm 131160814Ssimon 132109998SmarkmEC_GROUP *EC_GROUP_new(const EC_METHOD *); 133109998Smarkmvoid EC_GROUP_free(EC_GROUP *); 134109998Smarkmvoid EC_GROUP_clear_free(EC_GROUP *); 135109998Smarkmint EC_GROUP_copy(EC_GROUP *, const EC_GROUP *); 136160814SsimonEC_GROUP *EC_GROUP_dup(const EC_GROUP *); 137109998Smarkm 138109998Smarkmconst EC_METHOD *EC_GROUP_method_of(const EC_GROUP *); 139160814Ssimonint EC_METHOD_get_field_type(const EC_METHOD *); 140109998Smarkm 141160814Ssimonint EC_GROUP_set_generator(EC_GROUP *, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor); 142160814Ssimonconst EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *); 143160814Ssimonint EC_GROUP_get_order(const EC_GROUP *, BIGNUM *order, BN_CTX *); 144160814Ssimonint EC_GROUP_get_cofactor(const EC_GROUP *, BIGNUM *cofactor, BN_CTX *); 145160814Ssimon 146160814Ssimonvoid EC_GROUP_set_curve_name(EC_GROUP *, int nid); 147160814Ssimonint EC_GROUP_get_curve_name(const EC_GROUP *); 148160814Ssimon 149160814Ssimonvoid EC_GROUP_set_asn1_flag(EC_GROUP *, int flag); 150160814Ssimonint EC_GROUP_get_asn1_flag(const EC_GROUP *); 151160814Ssimon 152160814Ssimonvoid EC_GROUP_set_point_conversion_form(EC_GROUP *, point_conversion_form_t); 153160814Ssimonpoint_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *); 154160814Ssimon 155160814Ssimonunsigned char *EC_GROUP_get0_seed(const EC_GROUP *); 156160814Ssimonsize_t EC_GROUP_get_seed_len(const EC_GROUP *); 157160814Ssimonsize_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len); 158160814Ssimon 159109998Smarkmint EC_GROUP_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); 160109998Smarkmint EC_GROUP_get_curve_GFp(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *); 161160814Ssimonint EC_GROUP_set_curve_GF2m(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); 162160814Ssimonint EC_GROUP_get_curve_GF2m(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *); 163109998Smarkm 164160814Ssimon/* returns the number of bits needed to represent a field element */ 165160814Ssimonint EC_GROUP_get_degree(const EC_GROUP *); 166160814Ssimon 167160814Ssimon/* EC_GROUP_check() returns 1 if 'group' defines a valid group, 0 otherwise */ 168160814Ssimonint EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx); 169160814Ssimon/* EC_GROUP_check_discriminant() returns 1 if the discriminant of the 170160814Ssimon * elliptic curve is not zero, 0 otherwise */ 171160814Ssimonint EC_GROUP_check_discriminant(const EC_GROUP *, BN_CTX *); 172160814Ssimon 173160814Ssimon/* EC_GROUP_cmp() returns 0 if both groups are equal and 1 otherwise */ 174160814Ssimonint EC_GROUP_cmp(const EC_GROUP *, const EC_GROUP *, BN_CTX *); 175160814Ssimon 176160814Ssimon/* EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*() 177109998Smarkm * after choosing an appropriate EC_METHOD */ 178109998SmarkmEC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); 179160814SsimonEC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *); 180109998Smarkm 181160814Ssimon/* EC_GROUP_new_by_curve_name() creates a EC_GROUP structure 182160814Ssimon * specified by a curve name (in form of a NID) */ 183160814SsimonEC_GROUP *EC_GROUP_new_by_curve_name(int nid); 184160814Ssimon/* handling of internal curves */ 185160814Ssimontypedef struct { 186160814Ssimon int nid; 187160814Ssimon const char *comment; 188160814Ssimon } EC_builtin_curve; 189160814Ssimon/* EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number 190160814Ssimon * of all available curves or zero if a error occurred. 191160814Ssimon * In case r ist not zero nitems EC_builtin_curve structures 192160814Ssimon * are filled with the data of the first nitems internal groups */ 193160814Ssimonsize_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems); 194109998Smarkm 195160814Ssimon 196160814Ssimon/* EC_POINT functions */ 197160814Ssimon 198109998SmarkmEC_POINT *EC_POINT_new(const EC_GROUP *); 199109998Smarkmvoid EC_POINT_free(EC_POINT *); 200109998Smarkmvoid EC_POINT_clear_free(EC_POINT *); 201109998Smarkmint EC_POINT_copy(EC_POINT *, const EC_POINT *); 202160814SsimonEC_POINT *EC_POINT_dup(const EC_POINT *, const EC_GROUP *); 203109998Smarkm 204109998Smarkmconst EC_METHOD *EC_POINT_method_of(const EC_POINT *); 205109998Smarkm 206109998Smarkmint EC_POINT_set_to_infinity(const EC_GROUP *, EC_POINT *); 207109998Smarkmint EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *, EC_POINT *, 208109998Smarkm const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *); 209109998Smarkmint EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *, const EC_POINT *, 210109998Smarkm BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *); 211109998Smarkmint EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *, EC_POINT *, 212109998Smarkm const BIGNUM *x, const BIGNUM *y, BN_CTX *); 213109998Smarkmint EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *, const EC_POINT *, 214109998Smarkm BIGNUM *x, BIGNUM *y, BN_CTX *); 215109998Smarkmint EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *, EC_POINT *, 216109998Smarkm const BIGNUM *x, int y_bit, BN_CTX *); 217109998Smarkm 218160814Ssimonint EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *, EC_POINT *, 219160814Ssimon const BIGNUM *x, const BIGNUM *y, BN_CTX *); 220160814Ssimonint EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *, const EC_POINT *, 221160814Ssimon BIGNUM *x, BIGNUM *y, BN_CTX *); 222160814Ssimonint EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *, EC_POINT *, 223160814Ssimon const BIGNUM *x, int y_bit, BN_CTX *); 224160814Ssimon 225109998Smarkmsize_t EC_POINT_point2oct(const EC_GROUP *, const EC_POINT *, point_conversion_form_t form, 226109998Smarkm unsigned char *buf, size_t len, BN_CTX *); 227109998Smarkmint EC_POINT_oct2point(const EC_GROUP *, EC_POINT *, 228109998Smarkm const unsigned char *buf, size_t len, BN_CTX *); 229109998Smarkm 230160814Ssimon/* other interfaces to point2oct/oct2point: */ 231160814SsimonBIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *, 232160814Ssimon point_conversion_form_t form, BIGNUM *, BN_CTX *); 233160814SsimonEC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *, 234160814Ssimon EC_POINT *, BN_CTX *); 235160814Ssimonchar *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *, 236160814Ssimon point_conversion_form_t form, BN_CTX *); 237160814SsimonEC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *, 238160814Ssimon EC_POINT *, BN_CTX *); 239160814Ssimon 240109998Smarkmint EC_POINT_add(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *); 241109998Smarkmint EC_POINT_dbl(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, BN_CTX *); 242109998Smarkmint EC_POINT_invert(const EC_GROUP *, EC_POINT *, BN_CTX *); 243109998Smarkm 244109998Smarkmint EC_POINT_is_at_infinity(const EC_GROUP *, const EC_POINT *); 245109998Smarkmint EC_POINT_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *); 246109998Smarkmint EC_POINT_cmp(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_CTX *); 247109998Smarkm 248109998Smarkmint EC_POINT_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *); 249109998Smarkmint EC_POINTs_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *); 250109998Smarkm 251109998Smarkm 252109998Smarkmint EC_POINTs_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, size_t num, const EC_POINT *[], const BIGNUM *[], BN_CTX *); 253109998Smarkmint EC_POINT_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, const EC_POINT *, const BIGNUM *, BN_CTX *); 254160814Ssimon 255160814Ssimon/* EC_GROUP_precompute_mult() stores multiples of generator for faster point multiplication */ 256109998Smarkmint EC_GROUP_precompute_mult(EC_GROUP *, BN_CTX *); 257160814Ssimon/* EC_GROUP_have_precompute_mult() reports whether such precomputation has been done */ 258160814Ssimonint EC_GROUP_have_precompute_mult(const EC_GROUP *); 259109998Smarkm 260109998Smarkm 261109998Smarkm 262160814Ssimon/* ASN1 stuff */ 263160814Ssimon 264160814Ssimon/* EC_GROUP_get_basis_type() returns the NID of the basis type 265160814Ssimon * used to represent the field elements */ 266160814Ssimonint EC_GROUP_get_basis_type(const EC_GROUP *); 267160814Ssimonint EC_GROUP_get_trinomial_basis(const EC_GROUP *, unsigned int *k); 268160814Ssimonint EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1, 269160814Ssimon unsigned int *k2, unsigned int *k3); 270160814Ssimon 271160814Ssimon#define OPENSSL_EC_NAMED_CURVE 0x001 272160814Ssimon 273160814Ssimontypedef struct ecpk_parameters_st ECPKPARAMETERS; 274160814Ssimon 275160814SsimonEC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len); 276160814Ssimonint i2d_ECPKParameters(const EC_GROUP *, unsigned char **out); 277160814Ssimon 278160814Ssimon#define d2i_ECPKParameters_bio(bp,x) ASN1_d2i_bio_of(EC_GROUP,NULL,d2i_ECPKParameters,bp,x) 279160814Ssimon#define i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio_of_const(EC_GROUP,i2d_ECPKParameters,bp,x) 280160814Ssimon#define d2i_ECPKParameters_fp(fp,x) (EC_GROUP *)ASN1_d2i_fp(NULL, \ 281160814Ssimon (char *(*)())d2i_ECPKParameters,(fp),(unsigned char **)(x)) 282160814Ssimon#define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \ 283160814Ssimon (unsigned char *)(x)) 284160814Ssimon 285160814Ssimon#ifndef OPENSSL_NO_BIO 286160814Ssimonint ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off); 287160814Ssimon#endif 288160814Ssimon#ifndef OPENSSL_NO_FP_API 289160814Ssimonint ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off); 290160814Ssimon#endif 291160814Ssimon 292160814Ssimon/* the EC_KEY stuff */ 293160814Ssimontypedef struct ec_key_st EC_KEY; 294160814Ssimon 295160814Ssimon/* some values for the encoding_flag */ 296160814Ssimon#define EC_PKEY_NO_PARAMETERS 0x001 297160814Ssimon#define EC_PKEY_NO_PUBKEY 0x002 298160814Ssimon 299160814SsimonEC_KEY *EC_KEY_new(void); 300160814SsimonEC_KEY *EC_KEY_new_by_curve_name(int nid); 301160814Ssimonvoid EC_KEY_free(EC_KEY *); 302160814SsimonEC_KEY *EC_KEY_copy(EC_KEY *, const EC_KEY *); 303160814SsimonEC_KEY *EC_KEY_dup(const EC_KEY *); 304160814Ssimon 305160814Ssimonint EC_KEY_up_ref(EC_KEY *); 306160814Ssimon 307160814Ssimonconst EC_GROUP *EC_KEY_get0_group(const EC_KEY *); 308160814Ssimonint EC_KEY_set_group(EC_KEY *, const EC_GROUP *); 309160814Ssimonconst BIGNUM *EC_KEY_get0_private_key(const EC_KEY *); 310160814Ssimonint EC_KEY_set_private_key(EC_KEY *, const BIGNUM *); 311160814Ssimonconst EC_POINT *EC_KEY_get0_public_key(const EC_KEY *); 312160814Ssimonint EC_KEY_set_public_key(EC_KEY *, const EC_POINT *); 313160814Ssimonunsigned EC_KEY_get_enc_flags(const EC_KEY *); 314160814Ssimonvoid EC_KEY_set_enc_flags(EC_KEY *, unsigned int); 315160814Ssimonpoint_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *); 316160814Ssimonvoid EC_KEY_set_conv_form(EC_KEY *, point_conversion_form_t); 317160814Ssimon/* functions to set/get method specific data */ 318160814Ssimonvoid *EC_KEY_get_key_method_data(EC_KEY *, 319160814Ssimon void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); 320160814Ssimonvoid EC_KEY_insert_key_method_data(EC_KEY *, void *data, 321160814Ssimon void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); 322160814Ssimon/* wrapper functions for the underlying EC_GROUP object */ 323160814Ssimonvoid EC_KEY_set_asn1_flag(EC_KEY *, int); 324160814Ssimonint EC_KEY_precompute_mult(EC_KEY *, BN_CTX *ctx); 325160814Ssimon 326160814Ssimon/* EC_KEY_generate_key() creates a ec private (public) key */ 327160814Ssimonint EC_KEY_generate_key(EC_KEY *); 328160814Ssimon/* EC_KEY_check_key() */ 329160814Ssimonint EC_KEY_check_key(const EC_KEY *); 330160814Ssimon 331160814Ssimon/* de- and encoding functions for SEC1 ECPrivateKey */ 332160814SsimonEC_KEY *d2i_ECPrivateKey(EC_KEY **a, const unsigned char **in, long len); 333160814Ssimonint i2d_ECPrivateKey(EC_KEY *a, unsigned char **out); 334160814Ssimon/* de- and encoding functions for EC parameters */ 335160814SsimonEC_KEY *d2i_ECParameters(EC_KEY **a, const unsigned char **in, long len); 336160814Ssimonint i2d_ECParameters(EC_KEY *a, unsigned char **out); 337160814Ssimon/* de- and encoding functions for EC public key 338160814Ssimon * (octet string, not DER -- hence 'o2i' and 'i2o') */ 339160814SsimonEC_KEY *o2i_ECPublicKey(EC_KEY **a, const unsigned char **in, long len); 340160814Ssimonint i2o_ECPublicKey(EC_KEY *a, unsigned char **out); 341160814Ssimon 342160814Ssimon#ifndef OPENSSL_NO_BIO 343160814Ssimonint ECParameters_print(BIO *bp, const EC_KEY *x); 344160814Ssimonint EC_KEY_print(BIO *bp, const EC_KEY *x, int off); 345160814Ssimon#endif 346160814Ssimon#ifndef OPENSSL_NO_FP_API 347160814Ssimonint ECParameters_print_fp(FILE *fp, const EC_KEY *x); 348160814Ssimonint EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off); 349160814Ssimon#endif 350160814Ssimon 351160814Ssimon#define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x) 352160814Ssimon 353160814Ssimon#ifndef __cplusplus 354160814Ssimon#if defined(__SUNPRO_C) 355160814Ssimon# if __SUNPRO_C >= 0x520 356160814Ssimon# pragma error_messages (default,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) 357160814Ssimon# endif 358160814Ssimon# endif 359160814Ssimon#endif 360160814Ssimon 361109998Smarkm/* BEGIN ERROR CODES */ 362109998Smarkm/* The following lines are auto generated by the script mkerr.pl. Any changes 363109998Smarkm * made after this point may be overwritten when the script is next run. 364109998Smarkm */ 365109998Smarkmvoid ERR_load_EC_strings(void); 366109998Smarkm 367109998Smarkm/* Error codes for the EC functions. */ 368109998Smarkm 369109998Smarkm/* Function codes. */ 370109998Smarkm#define EC_F_COMPUTE_WNAF 143 371160814Ssimon#define EC_F_D2I_ECPARAMETERS 144 372160814Ssimon#define EC_F_D2I_ECPKPARAMETERS 145 373160814Ssimon#define EC_F_D2I_ECPRIVATEKEY 146 374160814Ssimon#define EC_F_ECPARAMETERS_PRINT 147 375160814Ssimon#define EC_F_ECPARAMETERS_PRINT_FP 148 376160814Ssimon#define EC_F_ECPKPARAMETERS_PRINT 149 377160814Ssimon#define EC_F_ECPKPARAMETERS_PRINT_FP 150 378160814Ssimon#define EC_F_ECP_NIST_MOD_192 203 379160814Ssimon#define EC_F_ECP_NIST_MOD_224 204 380160814Ssimon#define EC_F_ECP_NIST_MOD_256 205 381160814Ssimon#define EC_F_ECP_NIST_MOD_521 206 382160814Ssimon#define EC_F_EC_ASN1_GROUP2CURVE 153 383160814Ssimon#define EC_F_EC_ASN1_GROUP2FIELDID 154 384160814Ssimon#define EC_F_EC_ASN1_GROUP2PARAMETERS 155 385160814Ssimon#define EC_F_EC_ASN1_GROUP2PKPARAMETERS 156 386160814Ssimon#define EC_F_EC_ASN1_PARAMETERS2GROUP 157 387160814Ssimon#define EC_F_EC_ASN1_PKPARAMETERS2GROUP 158 388160814Ssimon#define EC_F_EC_EX_DATA_SET_DATA 211 389160814Ssimon#define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY 208 390160814Ssimon#define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT 159 391160814Ssimon#define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE 195 392160814Ssimon#define EC_F_EC_GF2M_SIMPLE_OCT2POINT 160 393160814Ssimon#define EC_F_EC_GF2M_SIMPLE_POINT2OCT 161 394160814Ssimon#define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES 162 395160814Ssimon#define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES 163 396160814Ssimon#define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES 164 397109998Smarkm#define EC_F_EC_GFP_MONT_FIELD_DECODE 133 398109998Smarkm#define EC_F_EC_GFP_MONT_FIELD_ENCODE 134 399109998Smarkm#define EC_F_EC_GFP_MONT_FIELD_MUL 131 400160814Ssimon#define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE 209 401109998Smarkm#define EC_F_EC_GFP_MONT_FIELD_SQR 132 402160814Ssimon#define EC_F_EC_GFP_MONT_GROUP_SET_CURVE 189 403160814Ssimon#define EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP 135 404160814Ssimon#define EC_F_EC_GFP_NIST_FIELD_MUL 200 405160814Ssimon#define EC_F_EC_GFP_NIST_FIELD_SQR 201 406160814Ssimon#define EC_F_EC_GFP_NIST_GROUP_SET_CURVE 202 407160814Ssimon#define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT 165 408160814Ssimon#define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE 166 409109998Smarkm#define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP 100 410109998Smarkm#define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR 101 411109998Smarkm#define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE 102 412109998Smarkm#define EC_F_EC_GFP_SIMPLE_OCT2POINT 103 413109998Smarkm#define EC_F_EC_GFP_SIMPLE_POINT2OCT 104 414109998Smarkm#define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE 137 415160814Ssimon#define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES 167 416109998Smarkm#define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105 417160814Ssimon#define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES 168 418109998Smarkm#define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128 419160814Ssimon#define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES 169 420109998Smarkm#define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129 421160814Ssimon#define EC_F_EC_GROUP_CHECK 170 422160814Ssimon#define EC_F_EC_GROUP_CHECK_DISCRIMINANT 171 423109998Smarkm#define EC_F_EC_GROUP_COPY 106 424109998Smarkm#define EC_F_EC_GROUP_GET0_GENERATOR 139 425109998Smarkm#define EC_F_EC_GROUP_GET_COFACTOR 140 426160814Ssimon#define EC_F_EC_GROUP_GET_CURVE_GF2M 172 427109998Smarkm#define EC_F_EC_GROUP_GET_CURVE_GFP 130 428160814Ssimon#define EC_F_EC_GROUP_GET_DEGREE 173 429109998Smarkm#define EC_F_EC_GROUP_GET_ORDER 141 430160814Ssimon#define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 193 431160814Ssimon#define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 194 432109998Smarkm#define EC_F_EC_GROUP_NEW 108 433160814Ssimon#define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 174 434160814Ssimon#define EC_F_EC_GROUP_NEW_FROM_DATA 175 435109998Smarkm#define EC_F_EC_GROUP_PRECOMPUTE_MULT 142 436160814Ssimon#define EC_F_EC_GROUP_SET_CURVE_GF2M 176 437109998Smarkm#define EC_F_EC_GROUP_SET_CURVE_GFP 109 438109998Smarkm#define EC_F_EC_GROUP_SET_EXTRA_DATA 110 439109998Smarkm#define EC_F_EC_GROUP_SET_GENERATOR 111 440160814Ssimon#define EC_F_EC_KEY_CHECK_KEY 177 441160814Ssimon#define EC_F_EC_KEY_COPY 178 442160814Ssimon#define EC_F_EC_KEY_GENERATE_KEY 179 443160814Ssimon#define EC_F_EC_KEY_NEW 182 444160814Ssimon#define EC_F_EC_KEY_PRINT 180 445160814Ssimon#define EC_F_EC_KEY_PRINT_FP 181 446109998Smarkm#define EC_F_EC_POINTS_MAKE_AFFINE 136 447109998Smarkm#define EC_F_EC_POINTS_MUL 138 448109998Smarkm#define EC_F_EC_POINT_ADD 112 449109998Smarkm#define EC_F_EC_POINT_CMP 113 450109998Smarkm#define EC_F_EC_POINT_COPY 114 451109998Smarkm#define EC_F_EC_POINT_DBL 115 452160814Ssimon#define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M 183 453109998Smarkm#define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP 116 454109998Smarkm#define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 117 455160814Ssimon#define EC_F_EC_POINT_INVERT 210 456109998Smarkm#define EC_F_EC_POINT_IS_AT_INFINITY 118 457109998Smarkm#define EC_F_EC_POINT_IS_ON_CURVE 119 458109998Smarkm#define EC_F_EC_POINT_MAKE_AFFINE 120 459160814Ssimon#define EC_F_EC_POINT_MUL 184 460109998Smarkm#define EC_F_EC_POINT_NEW 121 461109998Smarkm#define EC_F_EC_POINT_OCT2POINT 122 462109998Smarkm#define EC_F_EC_POINT_POINT2OCT 123 463160814Ssimon#define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M 185 464109998Smarkm#define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 124 465160814Ssimon#define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M 186 466109998Smarkm#define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP 125 467109998Smarkm#define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP 126 468109998Smarkm#define EC_F_EC_POINT_SET_TO_INFINITY 127 469160814Ssimon#define EC_F_EC_PRE_COMP_DUP 207 470160814Ssimon#define EC_F_EC_WNAF_MUL 187 471160814Ssimon#define EC_F_EC_WNAF_PRECOMPUTE_MULT 188 472160814Ssimon#define EC_F_I2D_ECPARAMETERS 190 473160814Ssimon#define EC_F_I2D_ECPKPARAMETERS 191 474160814Ssimon#define EC_F_I2D_ECPRIVATEKEY 192 475160814Ssimon#define EC_F_I2O_ECPUBLICKEY 151 476160814Ssimon#define EC_F_O2I_ECPUBLICKEY 152 477109998Smarkm 478109998Smarkm/* Reason codes. */ 479160814Ssimon#define EC_R_ASN1_ERROR 115 480160814Ssimon#define EC_R_ASN1_UNKNOWN_FIELD 116 481109998Smarkm#define EC_R_BUFFER_TOO_SMALL 100 482160814Ssimon#define EC_R_D2I_ECPKPARAMETERS_FAILURE 117 483160814Ssimon#define EC_R_DISCRIMINANT_IS_ZERO 118 484160814Ssimon#define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 119 485160814Ssimon#define EC_R_GROUP2PKPARAMETERS_FAILURE 120 486160814Ssimon#define EC_R_I2D_ECPKPARAMETERS_FAILURE 121 487109998Smarkm#define EC_R_INCOMPATIBLE_OBJECTS 101 488109998Smarkm#define EC_R_INVALID_ARGUMENT 112 489109998Smarkm#define EC_R_INVALID_COMPRESSED_POINT 110 490109998Smarkm#define EC_R_INVALID_COMPRESSION_BIT 109 491109998Smarkm#define EC_R_INVALID_ENCODING 102 492109998Smarkm#define EC_R_INVALID_FIELD 103 493109998Smarkm#define EC_R_INVALID_FORM 104 494160814Ssimon#define EC_R_INVALID_GROUP_ORDER 122 495160814Ssimon#define EC_R_INVALID_PRIVATE_KEY 123 496160814Ssimon#define EC_R_MISSING_PARAMETERS 124 497160814Ssimon#define EC_R_MISSING_PRIVATE_KEY 125 498160814Ssimon#define EC_R_NOT_A_NIST_PRIME 135 499160814Ssimon#define EC_R_NOT_A_SUPPORTED_NIST_PRIME 136 500160814Ssimon#define EC_R_NOT_IMPLEMENTED 126 501109998Smarkm#define EC_R_NOT_INITIALIZED 111 502160814Ssimon#define EC_R_NO_FIELD_MOD 133 503160814Ssimon#define EC_R_PASSED_NULL_PARAMETER 134 504160814Ssimon#define EC_R_PKPARAMETERS2GROUP_FAILURE 127 505109998Smarkm#define EC_R_POINT_AT_INFINITY 106 506109998Smarkm#define EC_R_POINT_IS_NOT_ON_CURVE 107 507109998Smarkm#define EC_R_SLOT_FULL 108 508109998Smarkm#define EC_R_UNDEFINED_GENERATOR 113 509160814Ssimon#define EC_R_UNDEFINED_ORDER 128 510160814Ssimon#define EC_R_UNKNOWN_GROUP 129 511109998Smarkm#define EC_R_UNKNOWN_ORDER 114 512160814Ssimon#define EC_R_UNSUPPORTED_FIELD 131 513160814Ssimon#define EC_R_WRONG_ORDER 130 514109998Smarkm 515109998Smarkm#ifdef __cplusplus 516109998Smarkm} 517109998Smarkm#endif 518109998Smarkm#endif 519