| /* crypto/ec/ec.h */ |
| /* |
| * Originally written by Bodo Moeller for the OpenSSL project. |
| */ |
| /** |
| * \file crypto/ec/ec.h Include file for the OpenSSL EC functions |
| * \author Originally written by Bodo Moeller for the OpenSSL project |
| */ |
| /* ==================================================================== |
| * Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * openssl-core@openssl.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| /* ==================================================================== |
| * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
| * |
| * Portions of the attached software ("Contribution") are developed by |
| * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. |
| * |
| * The Contribution is licensed pursuant to the OpenSSL open source |
| * license provided above. |
| * |
| * The elliptic curve binary polynomial software is originally written by |
| * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. |
| * |
| */ |
| |
| #ifndef HEADER_EC_H |
| #define HEADER_EC_H |
| |
| #include <openssl/opensslconf.h> |
| |
| #ifdef OPENSSL_NO_EC |
| #error EC is disabled. |
| #endif |
| |
| #include <openssl/asn1.h> |
| #include <openssl/symhacks.h> |
| #ifndef OPENSSL_NO_DEPRECATED |
| #include <openssl/bn.h> |
| #endif |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #elif defined(__SUNPRO_C) |
| # if __SUNPRO_C >= 0x520 |
| # pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) |
| # endif |
| #endif |
| |
| /** Enum for the point conversion form as defined in X9.62 (ECDSA) |
| * for the encoding of a elliptic curve point (x,y) */ |
| typedef enum { |
| /** the point is encoded as z||x, where the octet z specifies |
| * which solution of the quadratic equation y is */ |
| POINT_CONVERSION_COMPRESSED = 2, |
| /** the point is encoded as z||x||y, where z is the octet 0x02 */ |
| POINT_CONVERSION_UNCOMPRESSED = 4, |
| /** the point is encoded as z||x||y, where the octet z specifies |
| * which solution of the quadratic equation y is */ |
| POINT_CONVERSION_HYBRID = 6 |
| } point_conversion_form_t; |
| |
| |
| typedef struct ec_method_st EC_METHOD; |
| |
| typedef struct ec_group_st |
| /* |
| EC_METHOD *meth; |
| -- field definition |
| -- curve coefficients |
| -- optional generator with associated information (order, cofactor) |
| -- optional extra data (precomputed table for fast computation of multiples of generator) |
| -- ASN1 stuff |
| */ |
| EC_GROUP; |
| |
| typedef struct ec_point_st EC_POINT; |
| |
| |
| /********************************************************************/ |
| /* EC_METHODs for curves over GF(p) */ |
| /********************************************************************/ |
| |
| /** Returns the basic GFp ec methods which provides the basis for the |
| * optimized methods. |
| * \return EC_METHOD object |
| */ |
| const EC_METHOD *EC_GFp_simple_method(void); |
| |
| /** Returns GFp methods using montgomery multiplication. |
| * \return EC_METHOD object |
| */ |
| const EC_METHOD *EC_GFp_mont_method(void); |
| |
| /** Returns GFp methods using optimized methods for NIST recommended curves |
| * \return EC_METHOD object |
| */ |
| const EC_METHOD *EC_GFp_nist_method(void); |
| |
| |
| /********************************************************************/ |
| /* EC_METHOD for curves over GF(2^m) */ |
| /********************************************************************/ |
| |
| /** Returns the basic GF2m ec method |
| * \return EC_METHOD object |
| */ |
| const EC_METHOD *EC_GF2m_simple_method(void); |
| |
| |
| /********************************************************************/ |
| /* EC_GROUP functions */ |
| /********************************************************************/ |
| |
| /** Creates a new EC_GROUP object |
| * \param meth EC_METHOD to use |
| * \return newly created EC_GROUP object or NULL in case of an error. |
| */ |
| EC_GROUP *EC_GROUP_new(const EC_METHOD *meth); |
| |
| /** Frees a EC_GROUP object |
| * \param group EC_GROUP object to be freed. |
| */ |
| void EC_GROUP_free(EC_GROUP *group); |
| |
| /** Clears and frees a EC_GROUP object |
| * \param group EC_GROUP object to be cleared and freed. |
| */ |
| void EC_GROUP_clear_free(EC_GROUP *group); |
| |
| /** Copies EC_GROUP objects. Note: both EC_GROUPs must use the same EC_METHOD. |
| * \param dst destination EC_GROUP object |
| * \param src source EC_GROUP object |
| * \return 1 on success and 0 if an error occurred. |
| */ |
| int EC_GROUP_copy(EC_GROUP *dst, const EC_GROUP *src); |
| |
| /** Creates a new EC_GROUP object and copies the copies the content |
| * form src to the newly created EC_KEY object |
| * \param src source EC_GROUP object |
| * \return newly created EC_GROUP object or NULL in case of an error. |
| */ |
| EC_GROUP *EC_GROUP_dup(const EC_GROUP *src); |
| |
| /** Returns the EC_METHOD of the EC_GROUP object. |
| * \param group EC_GROUP object |
| * \return EC_METHOD used in this EC_GROUP object. |
| */ |
| const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group); |
| |
| /** Returns the field type of the EC_METHOD. |
| * \param meth EC_METHOD object |
| * \return NID of the underlying field type OID. |
| */ |
| int EC_METHOD_get_field_type(const EC_METHOD *meth); |
| |
| /** Sets the generator and it's order/cofactor of a EC_GROUP object. |
| * \param group EC_GROUP object |
| * \param generator EC_POINT object with the generator. |
| * \param order the order of the group generated by the generator. |
| * \param cofactor the index of the sub-group generated by the generator |
| * in the group of all points on the elliptic curve. |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor); |
| |
| /** Returns the generator of a EC_GROUP object. |
| * \param group EC_GROUP object |
| * \return the currently used generator (possibly NULL). |
| */ |
| const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group); |
| |
| /** Gets the order of a EC_GROUP |
| * \param group EC_GROUP object |
| * \param order BIGNUM to which the order is copied |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx); |
| |
| /** Gets the cofactor of a EC_GROUP |
| * \param group EC_GROUP object |
| * \param cofactor BIGNUM to which the cofactor is copied |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, BN_CTX *ctx); |
| |
| /** Sets the name of a EC_GROUP object |
| * \param group EC_GROUP object |
| * \param nid NID of the curve name OID |
| */ |
| void EC_GROUP_set_curve_name(EC_GROUP *group, int nid); |
| |
| /** Returns the curve name of a EC_GROUP object |
| * \param group EC_GROUP object |
| * \return NID of the curve name OID or 0 if not set. |
| */ |
| int EC_GROUP_get_curve_name(const EC_GROUP *group); |
| |
| void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag); |
| int EC_GROUP_get_asn1_flag(const EC_GROUP *group); |
| |
| void EC_GROUP_set_point_conversion_form(EC_GROUP *, point_conversion_form_t); |
| point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *); |
| |
| unsigned char *EC_GROUP_get0_seed(const EC_GROUP *); |
| size_t EC_GROUP_get_seed_len(const EC_GROUP *); |
| size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len); |
| |
| /** Sets the parameter of a ec over GFp defined by y^2 = x^3 + a*x + b |
| * \param group EC_GROUP object |
| * \param p BIGNUM with the prime number |
| * \param a BIGNUM with parameter a of the equation |
| * \param b BIGNUM with parameter b of the equation |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); |
| |
| /** Gets the parameter of the ec over GFp defined by y^2 = x^3 + a*x + b |
| * \param group EC_GROUP object |
| * \param p BIGNUM for the prime number |
| * \param a BIGNUM for parameter a of the equation |
| * \param b BIGNUM for parameter b of the equation |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx); |
| |
| /** Sets the parameter of a ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b |
| * \param group EC_GROUP object |
| * \param p BIGNUM with the polynomial defining the underlying field |
| * \param a BIGNUM with parameter a of the equation |
| * \param b BIGNUM with parameter b of the equation |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); |
| |
| /** Gets the parameter of the ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b |
| * \param group EC_GROUP object |
| * \param p BIGNUM for the polynomial defining the underlying field |
| * \param a BIGNUM for parameter a of the equation |
| * \param b BIGNUM for parameter b of the equation |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *ctx); |
| |
| /** Returns the number of bits needed to represent a field element |
| * \param group EC_GROUP object |
| * \return number of bits needed to represent a field element |
| */ |
| int EC_GROUP_get_degree(const EC_GROUP *group); |
| |
| /** Checks whether the parameter in the EC_GROUP define a valid ec group |
| * \param group EC_GROUP object |
| * \param ctx BN_CTX object (optional) |
| * \return 1 if group is a valid ec group and 0 otherwise |
| */ |
| int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx); |
| |
| /** Checks whether the discriminant of the elliptic curve is zero or not |
| * \param group EC_GROUP object |
| * \param ctx BN_CTX object (optional) |
| * \return 1 if the discriminant is not zero and 0 otherwise |
| */ |
| int EC_GROUP_check_discriminant(const EC_GROUP *group, BN_CTX *ctx); |
| |
| /** Compares two EC_GROUP objects |
| * \param a first EC_GROUP object |
| * \param b second EC_GROUP object |
| * \param ctx BN_CTX object (optional) |
| * \return 0 if both groups are equal and 1 otherwise |
| */ |
| int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx); |
| |
| /* EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*() |
| * after choosing an appropriate EC_METHOD */ |
| |
| /** Creates a new EC_GROUP object with the specified parameters defined |
| * over GFp (defined by the equation y^2 = x^3 + a*x + b) |
| * \param p BIGNUM with the prime number |
| * \param a BIGNUM with the parameter a of the equation |
| * \param b BIGNUM with the parameter b of the equation |
| * \param ctx BN_CTX object (optional) |
| * \return newly created EC_GROUP object with the specified parameters |
| */ |
| EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); |
| |
| /** Creates a new EC_GROUP object with the specified parameters defined |
| * over GF2m (defined by the equation y^2 + x*y = x^3 + a*x^2 + b) |
| * \param p BIGNUM with the polynomial defining the underlying field |
| * \param a BIGNUM with the parameter a of the equation |
| * \param b BIGNUM with the parameter b of the equation |
| * \param ctx BN_CTX object (optional) |
| * \return newly created EC_GROUP object with the specified parameters |
| */ |
| EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx); |
| |
| /** Creates a EC_GROUP object with a curve specified by a NID |
| * \param nid NID of the OID of the curve name |
| * \return newly created EC_GROUP object with specified curve or NULL |
| * if an error occurred |
| */ |
| EC_GROUP *EC_GROUP_new_by_curve_name(int nid); |
| |
| |
| /********************************************************************/ |
| /* handling of internal curves */ |
| /********************************************************************/ |
| |
| typedef struct { |
| int nid; |
| const char *comment; |
| } EC_builtin_curve; |
| |
| /* EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number |
| * of all available curves or zero if a error occurred. |
| * In case r ist not zero nitems EC_builtin_curve structures |
| * are filled with the data of the first nitems internal groups */ |
| size_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems); |
| |
| |
| /********************************************************************/ |
| /* EC_POINT functions */ |
| /********************************************************************/ |
| |
| /** Creates a new EC_POINT object for the specified EC_GROUP |
| * \param group EC_GROUP the underlying EC_GROUP object |
| * \return newly created EC_POINT object or NULL if an error occurred |
| */ |
| EC_POINT *EC_POINT_new(const EC_GROUP *group); |
| |
| /** Frees a EC_POINT object |
| * \param point EC_POINT object to be freed |
| */ |
| void EC_POINT_free(EC_POINT *point); |
| |
| /** Clears and frees a EC_POINT object |
| * \param point EC_POINT object to be cleared and freed |
| */ |
| void EC_POINT_clear_free(EC_POINT *point); |
| |
| /** Copies EC_POINT object |
| * \param dst destination EC_POINT object |
| * \param src source EC_POINT object |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_copy(EC_POINT *dst, const EC_POINT *src); |
| |
| /** Creates a new EC_POINT object and copies the content of the supplied |
| * EC_POINT |
| * \param src source EC_POINT object |
| * \param group underlying the EC_GROUP object |
| * \return newly created EC_POINT object or NULL if an error occurred |
| */ |
| EC_POINT *EC_POINT_dup(const EC_POINT *src, const EC_GROUP *group); |
| |
| /** Returns the EC_METHOD used in EC_POINT object |
| * \param point EC_POINT object |
| * \return the EC_METHOD used |
| */ |
| const EC_METHOD *EC_POINT_method_of(const EC_POINT *point); |
| |
| /** Sets a point to infinity (neutral element) |
| * \param group underlying EC_GROUP object |
| * \param point EC_POINT to set to infinity |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point); |
| |
| /** Sets the jacobian projective coordinates of a EC_POINT over GFp |
| * \param group underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \param x BIGNUM with the x-coordinate |
| * \param y BIGNUM with the y-coordinate |
| * \param z BIGNUM with the z-coordinate |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, EC_POINT *p, |
| const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *ctx); |
| |
| /** Gets the jacobian projective coordinates of a EC_POINT over GFp |
| * \param group underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \param x BIGNUM for the x-coordinate |
| * \param y BIGNUM for the y-coordinate |
| * \param z BIGNUM for the z-coordinate |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, |
| const EC_POINT *p, BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *ctx); |
| |
| /** Sets the affine coordinates of a EC_POINT over GFp |
| * \param group underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \param x BIGNUM with the x-coordinate |
| * \param y BIGNUM with the y-coordinate |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *p, |
| const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx); |
| |
| /** Gets the affine coordinates of a EC_POINT over GFp |
| * \param group underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \param x BIGNUM for the x-coordinate |
| * \param y BIGNUM for the y-coordinate |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, |
| const EC_POINT *p, BIGNUM *x, BIGNUM *y, BN_CTX *ctx); |
| |
| /** Sets the x9.62 compressed coordinates of a EC_POINT over GFp |
| * \param group underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \param x BIGNUM with x-coordinate |
| * \param y_bit integer with the y-Bit (either 0 or 1) |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, EC_POINT *p, |
| const BIGNUM *x, int y_bit, BN_CTX *ctx); |
| |
| /** Sets the affine coordinates of a EC_POINT over GF2m |
| * \param group underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \param x BIGNUM with the x-coordinate |
| * \param y BIGNUM with the y-coordinate |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p, |
| const BIGNUM *x, const BIGNUM *y, BN_CTX *ctx); |
| |
| /** Gets the affine coordinates of a EC_POINT over GF2m |
| * \param group underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \param x BIGNUM for the x-coordinate |
| * \param y BIGNUM for the y-coordinate |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group, |
| const EC_POINT *p, BIGNUM *x, BIGNUM *y, BN_CTX *ctx); |
| |
| /** Sets the x9.62 compressed coordinates of a EC_POINT over GF2m |
| * \param group underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \param x BIGNUM with x-coordinate |
| * \param y_bit integer with the y-Bit (either 0 or 1) |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p, |
| const BIGNUM *x, int y_bit, BN_CTX *ctx); |
| |
| /** Encodes a EC_POINT object to a octet string |
| * \param group underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \param form point conversion form |
| * \param buf memory buffer for the result. If NULL the function returns |
| * required buffer size. |
| * \param len length of the memory buffer |
| * \param ctx BN_CTX object (optional) |
| * \return the length of the encoded octet string or 0 if an error occurred |
| */ |
| size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *p, |
| point_conversion_form_t form, |
| unsigned char *buf, size_t len, BN_CTX *ctx); |
| |
| /** Decodes a EC_POINT from a octet string |
| * \param group underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \param buf memory buffer with the encoded ec point |
| * \param len length of the encoded ec point |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p, |
| const unsigned char *buf, size_t len, BN_CTX *ctx); |
| |
| /* other interfaces to point2oct/oct2point: */ |
| BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *, |
| point_conversion_form_t form, BIGNUM *, BN_CTX *); |
| EC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *, |
| EC_POINT *, BN_CTX *); |
| char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *, |
| point_conversion_form_t form, BN_CTX *); |
| EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *, |
| EC_POINT *, BN_CTX *); |
| |
| |
| /********************************************************************/ |
| /* functions for doing EC_POINT arithmetic */ |
| /********************************************************************/ |
| |
| /** Computes the sum of two EC_POINT |
| * \param group underlying EC_GROUP object |
| * \param r EC_POINT object for the result (r = a + b) |
| * \param a EC_POINT object with the first summand |
| * \param b EC_POINT object with the second summand |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx); |
| |
| /** Computes the double of a EC_POINT |
| * \param group underlying EC_GROUP object |
| * \param r EC_POINT object for the result (r = 2 * a) |
| * \param a EC_POINT object |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, BN_CTX *ctx); |
| |
| /** Computes the inverse of a EC_POINT |
| * \param group underlying EC_GROUP object |
| * \param a EC_POINT object to be inverted (it's used for the result as well) |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx); |
| |
| /** Checks whether the point is the neutral element of the group |
| * \param group the underlying EC_GROUP object |
| * \param p EC_POINT object |
| * \return 1 if the point is the neutral element and 0 otherwise |
| */ |
| int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *p); |
| |
| /** Checks whether the point is on the curve |
| * \param group underlying EC_GROUP object |
| * \param point EC_POINT object to check |
| * \param ctx BN_CTX object (optional) |
| * \return 1 if point if on the curve and 0 otherwise |
| */ |
| int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, BN_CTX *ctx); |
| |
| /** Compares two EC_POINTs |
| * \param group underlying EC_GROUP object |
| * \param a first EC_POINT object |
| * \param b second EC_POINT object |
| * \param ctx BN_CTX object (optional) |
| * \return 0 if both points are equal and a value != 0 otherwise |
| */ |
| int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, BN_CTX *ctx); |
| |
| int EC_POINT_make_affine(const EC_GROUP *, EC_POINT *, BN_CTX *); |
| int EC_POINTs_make_affine(const EC_GROUP *, size_t num, EC_POINT *[], BN_CTX *); |
| |
| /** Computes r = generator * n sum_{i=0}^num p[i] * m[i] |
| * \param group underlying EC_GROUP object |
| * \param r EC_POINT object for the result |
| * \param n BIGNUM with the multiplier for the group generator (optional) |
| * \param num number futher summands |
| * \param p array of size num of EC_POINT objects |
| * \param m array of size num of BIGNUM objects |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| 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); |
| |
| /** Computes r = generator * n + q * m |
| * \param group underlying EC_GROUP object |
| * \param r EC_POINT object for the result |
| * \param n BIGNUM with the multiplier for the group generator (optional) |
| * \param q EC_POINT object with the first factor of the second summand |
| * \param m BIGNUM with the second factor of the second summand |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx); |
| |
| /** Stores multiples of generator for faster point multiplication |
| * \param group EC_GROUP object |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occured |
| */ |
| int EC_GROUP_precompute_mult(EC_GROUP *group, BN_CTX *ctx); |
| |
| /** Reports whether a precomputation has been done |
| * \param group EC_GROUP object |
| * \return 1 if a pre-computation has been done and 0 otherwise |
| */ |
| int EC_GROUP_have_precompute_mult(const EC_GROUP *group); |
| |
| |
| /********************************************************************/ |
| /* ASN1 stuff */ |
| /********************************************************************/ |
| |
| /* EC_GROUP_get_basis_type() returns the NID of the basis type |
| * used to represent the field elements */ |
| int EC_GROUP_get_basis_type(const EC_GROUP *); |
| int EC_GROUP_get_trinomial_basis(const EC_GROUP *, unsigned int *k); |
| int EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1, |
| unsigned int *k2, unsigned int *k3); |
| |
| #define OPENSSL_EC_NAMED_CURVE 0x001 |
| |
| typedef struct ecpk_parameters_st ECPKPARAMETERS; |
| |
| EC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len); |
| int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out); |
| |
| #define d2i_ECPKParameters_bio(bp,x) ASN1_d2i_bio_of(EC_GROUP,NULL,d2i_ECPKParameters,bp,x) |
| #define i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio_of_const(EC_GROUP,i2d_ECPKParameters,bp,x) |
| #define d2i_ECPKParameters_fp(fp,x) (EC_GROUP *)ASN1_d2i_fp(NULL, \ |
| (char *(*)())d2i_ECPKParameters,(fp),(unsigned char **)(x)) |
| #define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \ |
| (unsigned char *)(x)) |
| |
| #ifndef OPENSSL_NO_BIO |
| int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off); |
| #endif |
| #ifndef OPENSSL_NO_FP_API |
| int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off); |
| #endif |
| |
| |
| /********************************************************************/ |
| /* EC_KEY functions */ |
| /********************************************************************/ |
| |
| typedef struct ec_key_st EC_KEY; |
| |
| /* some values for the encoding_flag */ |
| #define EC_PKEY_NO_PARAMETERS 0x001 |
| #define EC_PKEY_NO_PUBKEY 0x002 |
| |
| /** Creates a new EC_KEY object. |
| * \return EC_KEY object or NULL if an error occurred. |
| */ |
| EC_KEY *EC_KEY_new(void); |
| |
| /** Creates a new EC_KEY object using a named curve as underlying |
| * EC_GROUP object. |
| * \param nid NID of the named curve. |
| * \return EC_KEY object or NULL if an error occurred. |
| */ |
| EC_KEY *EC_KEY_new_by_curve_name(int nid); |
| |
| /** Frees a EC_KEY object. |
| * \param key EC_KEY object to be freed. |
| */ |
| void EC_KEY_free(EC_KEY *key); |
| |
| /** Copies a EC_KEY object. |
| * \param dst destination EC_KEY object |
| * \param src src EC_KEY object |
| * \return dst or NULL if an error occurred. |
| */ |
| EC_KEY *EC_KEY_copy(EC_KEY *dst, const EC_KEY *src); |
| |
| /** Creates a new EC_KEY object and copies the content from src to it. |
| * \param src the source EC_KEY object |
| * \return newly created EC_KEY object or NULL if an error occurred. |
| */ |
| EC_KEY *EC_KEY_dup(const EC_KEY *src); |
| |
| /** Increases the internal reference count of a EC_KEY object. |
| * \param key EC_KEY object |
| * \return 1 on success and 0 if an error occurred. |
| */ |
| int EC_KEY_up_ref(EC_KEY *key); |
| |
| /** Returns the EC_GROUP object of a EC_KEY object |
| * \param key EC_KEY object |
| * \return the EC_GROUP object (possibly NULL). |
| */ |
| const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key); |
| |
| /** Sets the EC_GROUP of a EC_KEY object. |
| * \param key EC_KEY object |
| * \param group EC_GROUP to use in the EC_KEY object (note: the EC_KEY |
| * object will use an own copy of the EC_GROUP). |
| * \return 1 on success and 0 if an error occurred. |
| */ |
| int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group); |
| |
| /** Returns the private key of a EC_KEY object. |
| * \param key EC_KEY object |
| * \return a BIGNUM with the private key (possibly NULL). |
| */ |
| const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key); |
| |
| /** Sets the private key of a EC_KEY object. |
| * \param key EC_KEY object |
| * \param prv BIGNUM with the private key (note: the EC_KEY object |
| * will use an own copy of the BIGNUM). |
| * \return 1 on success and 0 if an error occurred. |
| */ |
| int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *prv); |
| |
| /** Returns the public key of a EC_KEY object. |
| * \param key the EC_KEY object |
| * \return a EC_POINT object with the public key (possibly NULL) |
| */ |
| const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key); |
| |
| /** Sets the public key of a EC_KEY object. |
| * \param key EC_KEY object |
| * \param pub EC_POINT object with the public key (note: the EC_KEY object |
| * will use an own copy of the EC_POINT object). |
| * \return 1 on success and 0 if an error occurred. |
| */ |
| int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub); |
| |
| unsigned EC_KEY_get_enc_flags(const EC_KEY *key); |
| void EC_KEY_set_enc_flags(EC_KEY *, unsigned int); |
| point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *); |
| void EC_KEY_set_conv_form(EC_KEY *, point_conversion_form_t); |
| /* functions to set/get method specific data */ |
| void *EC_KEY_get_key_method_data(EC_KEY *, |
| void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); |
| void EC_KEY_insert_key_method_data(EC_KEY *, void *data, |
| void *(*dup_func)(void *), void (*free_func)(void *), void (*clear_free_func)(void *)); |
| /* wrapper functions for the underlying EC_GROUP object */ |
| void EC_KEY_set_asn1_flag(EC_KEY *, int); |
| |
| /** Creates a table of pre-computed multiples of the generator to |
| * accelerate further EC_KEY operations. |
| * \param key EC_KEY object |
| * \param ctx BN_CTX object (optional) |
| * \return 1 on success and 0 if an error occurred. |
| */ |
| int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx); |
| |
| /** Creates a new ec private (and optional a new public) key. |
| * \param key EC_KEY object |
| * \return 1 on success and 0 if an error occurred. |
| */ |
| int EC_KEY_generate_key(EC_KEY *key); |
| |
| /** Verifies that a private and/or public key is valid. |
| * \param key the EC_KEY object |
| * \return 1 on success and 0 otherwise. |
| */ |
| int EC_KEY_check_key(const EC_KEY *key); |
| |
| |
| /********************************************************************/ |
| /* de- and encoding functions for SEC1 ECPrivateKey */ |
| /********************************************************************/ |
| |
| /** Decodes a private key from a memory buffer. |
| * \param key a pointer to a EC_KEY object which should be used (or NULL) |
| * \param in pointer to memory with the DER encoded private key |
| * \param len length of the DER encoded private key |
| * \return the decoded private key or NULL if an error occurred. |
| */ |
| EC_KEY *d2i_ECPrivateKey(EC_KEY **key, const unsigned char **in, long len); |
| |
| /** Encodes a private key object and stores the result in a buffer. |
| * \param key the EC_KEY object to encode |
| * \param out the buffer for the result (if NULL the function returns number |
| * of bytes needed). |
| * \return 1 on success and 0 if an error occurred. |
| */ |
| int i2d_ECPrivateKey(EC_KEY *key, unsigned char **out); |
| |
| |
| /********************************************************************/ |
| /* de- and encoding functions for EC parameters */ |
| /********************************************************************/ |
| |
| /** Decodes ec parameter from a memory buffer. |
| * \param key a pointer to a EC_KEY object which should be used (or NULL) |
| * \param in pointer to memory with the DER encoded ec parameters |
| * \param len length of the DER encoded ec parameters |
| * \return a EC_KEY object with the decoded parameters or NULL if an error |
| * occurred. |
| */ |
| EC_KEY *d2i_ECParameters(EC_KEY **key, const unsigned char **in, long len); |
| |
| /** Encodes ec parameter and stores the result in a buffer. |
| * \param key the EC_KEY object with ec paramters to encode |
| * \param out the buffer for the result (if NULL the function returns number |
| * of bytes needed). |
| * \return 1 on success and 0 if an error occurred. |
| */ |
| int i2d_ECParameters(EC_KEY *key, unsigned char **out); |
| |
| |
| /********************************************************************/ |
| /* de- and encoding functions for EC public key */ |
| /* (octet string, not DER -- hence 'o2i' and 'i2o') */ |
| /********************************************************************/ |
| |
| /** Decodes a ec public key from a octet string. |
| * \param key a pointer to a EC_KEY object which should be used |
| * \param in memory buffer with the encoded public key |
| * \param len length of the encoded public key |
| * \return EC_KEY object with decoded public key or NULL if an error |
| * occurred. |
| */ |
| EC_KEY *o2i_ECPublicKey(EC_KEY **key, const unsigned char **in, long len); |
| |
| /** Encodes a ec public key in an octet string. |
| * \param key the EC_KEY object with the public key |
| * \param out the buffer for the result (if NULL the function returns number |
| * of bytes needed). |
| * \return 1 on success and 0 if an error occurred |
| */ |
| int i2o_ECPublicKey(EC_KEY *key, unsigned char **out); |
| |
| #ifndef OPENSSL_NO_BIO |
| /** Prints out the ec parameters on human readable form. |
| * \param bp BIO object to which the information is printed |
| * \param key EC_KEY object |
| * \return 1 on success and 0 if an error occurred |
| */ |
| int ECParameters_print(BIO *bp, const EC_KEY *key); |
| |
| /** Prints out the contents of a EC_KEY object |
| * \param bp BIO object to which the information is printed |
| * \param key EC_KEY object |
| * \param off line offset |
| * \return 1 on success and 0 if an error occurred |
| */ |
| int EC_KEY_print(BIO *bp, const EC_KEY *key, int off); |
| |
| #endif |
| #ifndef OPENSSL_NO_FP_API |
| /** Prints out the ec parameters on human readable form. |
| * \param fp file descriptor to which the information is printed |
| * \param key EC_KEY object |
| * \return 1 on success and 0 if an error occurred |
| */ |
| int ECParameters_print_fp(FILE *fp, const EC_KEY *key); |
| |
| /** Prints out the contents of a EC_KEY object |
| * \param fp file descriptor to which the information is printed |
| * \param key EC_KEY object |
| * \param off line offset |
| * \return 1 on success and 0 if an error occurred |
| */ |
| int EC_KEY_print_fp(FILE *fp, const EC_KEY *key, int off); |
| |
| #endif |
| |
| #define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x) |
| |
| #ifndef __cplusplus |
| #if defined(__SUNPRO_C) |
| # if __SUNPRO_C >= 0x520 |
| # pragma error_messages (default,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) |
| # endif |
| # endif |
| #endif |
| |
| /* BEGIN ERROR CODES */ |
| /* The following lines are auto generated by the script mkerr.pl. Any changes |
| * made after this point may be overwritten when the script is next run. |
| */ |
| void ERR_load_EC_strings(void); |
| |
| /* Error codes for the EC functions. */ |
| |
| /* Function codes. */ |
| #define EC_F_COMPUTE_WNAF 143 |
| #define EC_F_D2I_ECPARAMETERS 144 |
| #define EC_F_D2I_ECPKPARAMETERS 145 |
| #define EC_F_D2I_ECPRIVATEKEY 146 |
| #define EC_F_ECPARAMETERS_PRINT 147 |
| #define EC_F_ECPARAMETERS_PRINT_FP 148 |
| #define EC_F_ECPKPARAMETERS_PRINT 149 |
| #define EC_F_ECPKPARAMETERS_PRINT_FP 150 |
| #define EC_F_ECP_NIST_MOD_192 203 |
| #define EC_F_ECP_NIST_MOD_224 204 |
| #define EC_F_ECP_NIST_MOD_256 205 |
| #define EC_F_ECP_NIST_MOD_521 206 |
| #define EC_F_EC_ASN1_GROUP2CURVE 153 |
| #define EC_F_EC_ASN1_GROUP2FIELDID 154 |
| #define EC_F_EC_ASN1_GROUP2PARAMETERS 155 |
| #define EC_F_EC_ASN1_GROUP2PKPARAMETERS 156 |
| #define EC_F_EC_ASN1_PARAMETERS2GROUP 157 |
| #define EC_F_EC_ASN1_PKPARAMETERS2GROUP 158 |
| #define EC_F_EC_EX_DATA_SET_DATA 211 |
| #define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY 208 |
| #define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT 159 |
| #define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE 195 |
| #define EC_F_EC_GF2M_SIMPLE_OCT2POINT 160 |
| #define EC_F_EC_GF2M_SIMPLE_POINT2OCT 161 |
| #define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES 162 |
| #define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES 163 |
| #define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES 164 |
| #define EC_F_EC_GFP_MONT_FIELD_DECODE 133 |
| #define EC_F_EC_GFP_MONT_FIELD_ENCODE 134 |
| #define EC_F_EC_GFP_MONT_FIELD_MUL 131 |
| #define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE 209 |
| #define EC_F_EC_GFP_MONT_FIELD_SQR 132 |
| #define EC_F_EC_GFP_MONT_GROUP_SET_CURVE 189 |
| #define EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP 135 |
| #define EC_F_EC_GFP_NIST_FIELD_MUL 200 |
| #define EC_F_EC_GFP_NIST_FIELD_SQR 201 |
| #define EC_F_EC_GFP_NIST_GROUP_SET_CURVE 202 |
| #define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT 165 |
| #define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE 166 |
| #define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP 100 |
| #define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR 101 |
| #define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE 102 |
| #define EC_F_EC_GFP_SIMPLE_OCT2POINT 103 |
| #define EC_F_EC_GFP_SIMPLE_POINT2OCT 104 |
| #define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE 137 |
| #define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES 167 |
| #define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105 |
| #define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES 168 |
| #define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128 |
| #define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES 169 |
| #define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129 |
| #define EC_F_EC_GROUP_CHECK 170 |
| #define EC_F_EC_GROUP_CHECK_DISCRIMINANT 171 |
| #define EC_F_EC_GROUP_COPY 106 |
| #define EC_F_EC_GROUP_GET0_GENERATOR 139 |
| #define EC_F_EC_GROUP_GET_COFACTOR 140 |
| #define EC_F_EC_GROUP_GET_CURVE_GF2M 172 |
| #define EC_F_EC_GROUP_GET_CURVE_GFP 130 |
| #define EC_F_EC_GROUP_GET_DEGREE 173 |
| #define EC_F_EC_GROUP_GET_ORDER 141 |
| #define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 193 |
| #define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 194 |
| #define EC_F_EC_GROUP_NEW 108 |
| #define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 174 |
| #define EC_F_EC_GROUP_NEW_FROM_DATA 175 |
| #define EC_F_EC_GROUP_PRECOMPUTE_MULT 142 |
| #define EC_F_EC_GROUP_SET_CURVE_GF2M 176 |
| #define EC_F_EC_GROUP_SET_CURVE_GFP 109 |
| #define EC_F_EC_GROUP_SET_EXTRA_DATA 110 |
| #define EC_F_EC_GROUP_SET_GENERATOR 111 |
| #define EC_F_EC_KEY_CHECK_KEY 177 |
| #define EC_F_EC_KEY_COPY 178 |
| #define EC_F_EC_KEY_GENERATE_KEY 179 |
| #define EC_F_EC_KEY_NEW 182 |
| #define EC_F_EC_KEY_PRINT 180 |
| #define EC_F_EC_KEY_PRINT_FP 181 |
| #define EC_F_EC_POINTS_MAKE_AFFINE 136 |
| #define EC_F_EC_POINTS_MUL 138 |
| #define EC_F_EC_POINT_ADD 112 |
| #define EC_F_EC_POINT_CMP 113 |
| #define EC_F_EC_POINT_COPY 114 |
| #define EC_F_EC_POINT_DBL 115 |
| #define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M 183 |
| #define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP 116 |
| #define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 117 |
| #define EC_F_EC_POINT_INVERT 210 |
| #define EC_F_EC_POINT_IS_AT_INFINITY 118 |
| #define EC_F_EC_POINT_IS_ON_CURVE 119 |
| #define EC_F_EC_POINT_MAKE_AFFINE 120 |
| #define EC_F_EC_POINT_MUL 184 |
| #define EC_F_EC_POINT_NEW 121 |
| #define EC_F_EC_POINT_OCT2POINT 122 |
| #define EC_F_EC_POINT_POINT2OCT 123 |
| #define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M 185 |
| #define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 124 |
| #define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M 186 |
| #define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP 125 |
| #define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP 126 |
| #define EC_F_EC_POINT_SET_TO_INFINITY 127 |
| #define EC_F_EC_PRE_COMP_DUP 207 |
| #define EC_F_EC_WNAF_MUL 187 |
| #define EC_F_EC_WNAF_PRECOMPUTE_MULT 188 |
| #define EC_F_I2D_ECPARAMETERS 190 |
| #define EC_F_I2D_ECPKPARAMETERS 191 |
| #define EC_F_I2D_ECPRIVATEKEY 192 |
| #define EC_F_I2O_ECPUBLICKEY 151 |
| #define EC_F_O2I_ECPUBLICKEY 152 |
| |
| /* Reason codes. */ |
| #define EC_R_ASN1_ERROR 115 |
| #define EC_R_ASN1_UNKNOWN_FIELD 116 |
| #define EC_R_BUFFER_TOO_SMALL 100 |
| #define EC_R_D2I_ECPKPARAMETERS_FAILURE 117 |
| #define EC_R_DISCRIMINANT_IS_ZERO 118 |
| #define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 119 |
| #define EC_R_GROUP2PKPARAMETERS_FAILURE 120 |
| #define EC_R_I2D_ECPKPARAMETERS_FAILURE 121 |
| #define EC_R_INCOMPATIBLE_OBJECTS 101 |
| #define EC_R_INVALID_ARGUMENT 112 |
| #define EC_R_INVALID_COMPRESSED_POINT 110 |
| #define EC_R_INVALID_COMPRESSION_BIT 109 |
| #define EC_R_INVALID_ENCODING 102 |
| #define EC_R_INVALID_FIELD 103 |
| #define EC_R_INVALID_FORM 104 |
| #define EC_R_INVALID_GROUP_ORDER 122 |
| #define EC_R_INVALID_PRIVATE_KEY 123 |
| #define EC_R_MISSING_PARAMETERS 124 |
| #define EC_R_MISSING_PRIVATE_KEY 125 |
| #define EC_R_NOT_A_NIST_PRIME 135 |
| #define EC_R_NOT_A_SUPPORTED_NIST_PRIME 136 |
| #define EC_R_NOT_IMPLEMENTED 126 |
| #define EC_R_NOT_INITIALIZED 111 |
| #define EC_R_NO_FIELD_MOD 133 |
| #define EC_R_PASSED_NULL_PARAMETER 134 |
| #define EC_R_PKPARAMETERS2GROUP_FAILURE 127 |
| #define EC_R_POINT_AT_INFINITY 106 |
| #define EC_R_POINT_IS_NOT_ON_CURVE 107 |
| #define EC_R_SLOT_FULL 108 |
| #define EC_R_UNDEFINED_GENERATOR 113 |
| #define EC_R_UNDEFINED_ORDER 128 |
| #define EC_R_UNKNOWN_GROUP 129 |
| #define EC_R_UNKNOWN_ORDER 114 |
| #define EC_R_UNSUPPORTED_FIELD 131 |
| #define EC_R_WRONG_ORDER 130 |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif |
