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GmSSL/include/openssl/ec.h
Zhi Guan 4b17502fdd Optimize sm2p256v1 curve for Intel processors 
This update is part of the GmSSL Turbo project.
This work is supported by the National Key Research and Development
Program of China NO.2018YFB0803601 and Intel.
2018-09-07 08:55:36 +08:00

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/*
* Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* ====================================================================
* 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>
# ifndef OPENSSL_NO_EC
# include <openssl/asn1.h>
# include <openssl/symhacks.h>
# if OPENSSL_API_COMPAT < 0x10100000L
# include <openssl/bn.h>
# endif
# ifdef __cplusplus
extern "C" {
# endif
# ifndef OPENSSL_ECC_MAX_FIELD_BITS
# define OPENSSL_ECC_MAX_FIELD_BITS 661
# 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 0x04 */
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_GROUP;
typedef struct ec_point_st EC_POINT;
typedef struct ecpk_parameters_st ECPKPARAMETERS;
typedef struct ec_parameters_st ECPARAMETERS;
/********************************************************************/
/* 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);
# ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
/** Returns 64-bit optimized methods for nistp224
* \return EC_METHOD object
*/
const EC_METHOD *EC_GFp_nistp224_method(void);
/** Returns 64-bit optimized methods for nistp256
* \return EC_METHOD object
*/
const EC_METHOD *EC_GFp_nistp256_method(void);
/** Returns 64-bit optimized methods for nistp521
* \return EC_METHOD object
*/
const EC_METHOD *EC_GFp_nistp521_method(void);
# ifndef OPENSSL_NO_SM2
const EC_METHOD *EC_GFp_sm2p256_method(void);
# endif
# endif
# ifndef OPENSSL_NO_EC2M
/********************************************************************/
/* 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);
# endif
/********************************************************************/
/* 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 occurred
*/
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);
/** Returns the montgomery data for order(Generator)
* \param group EC_GROUP object
* \return the currently used montgomery data (possibly NULL).
*/
BN_MONT_CTX *EC_GROUP_get_mont_data(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 unused
* \return 1 on success and 0 if an error occurred
*/
int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx);
/** Gets the order of an EC_GROUP
* \param group EC_GROUP object
* \return the group order
*/
const BIGNUM *EC_GROUP_get0_order(const EC_GROUP *group);
/** Gets the number of bits of the order of an EC_GROUP
* \param group EC_GROUP object
* \return number of bits of group order.
*/
int EC_GROUP_order_bits(const EC_GROUP *group);
/** Gets the cofactor of a EC_GROUP
* \param group EC_GROUP object
* \param cofactor BIGNUM to which the cofactor is copied
* \param ctx unused
* \return 1 on success and 0 if an error occurred
*/
int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor,
BN_CTX *ctx);
/** Gets the cofactor of an EC_GROUP
* \param group EC_GROUP object
* \return the group cofactor
*/
const BIGNUM *EC_GROUP_get0_cofactor(const EC_GROUP *group);
/** 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 *group,
point_conversion_form_t form);
point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *);
unsigned char *EC_GROUP_get0_seed(const EC_GROUP *x);
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 occurred
*/
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 occurred
*/
int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a,
BIGNUM *b, BN_CTX *ctx);
# ifndef OPENSSL_NO_EC2M
/** 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 occurred
*/
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 occurred
*/
int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a,
BIGNUM *b, BN_CTX *ctx);
# endif
/** 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 the groups are equal, 1 if not, or -1 on error
*/
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);
# ifndef OPENSSL_NO_EC2M
/** 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);
# endif
/** 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);
/** Creates a new EC_GROUP object from an ECPARAMETERS object
* \param params pointer to the ECPARAMETERS object
* \return newly created EC_GROUP object with specified curve or NULL
* if an error occurred
*/
EC_GROUP *EC_GROUP_new_from_ecparameters(const ECPARAMETERS *params);
/** Creates an ECPARAMETERS object for the the given EC_GROUP object.
* \param group pointer to the EC_GROUP object
* \param params pointer to an existing ECPARAMETERS object or NULL
* \return pointer to the new ECPARAMETERS object or NULL
* if an error occurred.
*/
ECPARAMETERS *EC_GROUP_get_ecparameters(const EC_GROUP *group,
ECPARAMETERS *params);
/** Creates a new EC_GROUP object from an ECPKPARAMETERS object
* \param params pointer to an existing ECPKPARAMETERS object, or NULL
* \return newly created EC_GROUP object with specified curve, or NULL
* if an error occurred
*/
EC_GROUP *EC_GROUP_new_from_ecpkparameters(const ECPKPARAMETERS *params);
/** Creates an ECPKPARAMETERS object for the the given EC_GROUP object.
* \param group pointer to the EC_GROUP object
* \param params pointer to an existing ECPKPARAMETERS object or NULL
* \return pointer to the new ECPKPARAMETERS object or NULL
* if an error occurred.
*/
ECPKPARAMETERS *EC_GROUP_get_ecpkparameters(const EC_GROUP *group,
ECPKPARAMETERS *params);
/********************************************************************/
/* 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 is 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);
const char *EC_curve_nid2nist(int nid);
int EC_curve_nist2nid(const char *name);
/********************************************************************/
/* 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 occurred
*/
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 occurred
*/
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 occurred
*/
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 occurred
*/
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 occurred
*/
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 occurred
*/
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 occurred
*/
int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,
EC_POINT *p, const BIGNUM *x,
int y_bit, BN_CTX *ctx);
# ifndef OPENSSL_NO_EC2M
/** 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 occurred
*/
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 occurred
*/
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 occurred
*/
int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group,
EC_POINT *p, const BIGNUM *x,
int y_bit, BN_CTX *ctx);
# endif
/** 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 occurred
*/
int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p,
const unsigned char *buf, size_t len, BN_CTX *ctx);
/** Encodes an EC_POINT object to an allocated octet string
* \param group underlying EC_GROUP object
* \param point EC_POINT object
* \param form point conversion form
* \param pbuf returns pointer to allocated buffer
* \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_point2buf(const EC_GROUP *group, const EC_POINT *point,
point_conversion_form_t form,
unsigned char **pbuf, 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 occurred
*/
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 occurred
*/
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 occurred
*/
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 the point is on the curve, 0 if not, or -1 on error
*/
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 1 if the points are not equal, 0 if they are, or -1 on error
*/
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 *group, EC_POINT *point, BN_CTX *ctx);
int EC_POINTs_make_affine(const EC_GROUP *group, size_t num,
EC_POINT *points[], BN_CTX *ctx);
/** Computes r = generator * n + sum_{i=0}^{num-1} 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 further 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 occurred
*/
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 occurred
*/
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 occurred
*/
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 */
/********************************************************************/
DECLARE_ASN1_ITEM(ECPKPARAMETERS)
DECLARE_ASN1_ALLOC_FUNCTIONS(ECPKPARAMETERS)
DECLARE_ASN1_ITEM(ECPARAMETERS)
DECLARE_ASN1_ALLOC_FUNCTIONS(ECPARAMETERS)
/*
* 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 *);
# ifndef OPENSSL_NO_EC2M
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);
# endif
# define OPENSSL_EC_EXPLICIT_CURVE 0x000
# define OPENSSL_EC_NAMED_CURVE 0x001
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))
int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off);
# ifndef OPENSSL_NO_STDIO
int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off);
# endif
/********************************************************************/
/* EC_KEY functions */
/********************************************************************/
/* some values for the encoding_flag */
# define EC_PKEY_NO_PARAMETERS 0x001
# define EC_PKEY_NO_PUBKEY 0x002
/* some values for the flags field */
# define EC_FLAG_NON_FIPS_ALLOW 0x1
# define EC_FLAG_FIPS_CHECKED 0x2
# define EC_FLAG_COFACTOR_ECDH 0x1000
/** Creates a new EC_KEY object.
* \return EC_KEY object or NULL if an error occurred.
*/
EC_KEY *EC_KEY_new(void);
int EC_KEY_get_flags(const EC_KEY *key);
void EC_KEY_set_flags(EC_KEY *key, int flags);
void EC_KEY_clear_flags(EC_KEY *key, int flags);
/** 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 *eckey, unsigned int flags);
point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key);
void EC_KEY_set_conv_form(EC_KEY *eckey, point_conversion_form_t cform);
#define EC_KEY_get_ex_new_index(l, p, newf, dupf, freef) \
CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_EC_KEY, l, p, newf, dupf, freef)
int EC_KEY_set_ex_data(EC_KEY *key, int idx, void *arg);
void *EC_KEY_get_ex_data(const EC_KEY *key, int idx);
/* wrapper functions for the underlying EC_GROUP object */
void EC_KEY_set_asn1_flag(EC_KEY *eckey, int asn1_flag);
/** 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);
/** Indicates if an EC_KEY can be used for signing.
* \param key the EC_KEY object
* \return 1 if can can sign and 0 otherwise.
*/
int EC_KEY_can_sign(const EC_KEY *eckey);
/** Sets a public key from affine coordinates performing
* necessary NIST PKV tests.
* \param key the EC_KEY object
* \param x public key x coordinate
* \param y public key y coordinate
* \return 1 on success and 0 otherwise.
*/
int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x,
BIGNUM *y);
/** Encodes an EC_KEY public key to an allocated octet string
* \param key key to encode
* \param form point conversion form
* \param pbuf returns pointer to allocated buffer
* \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_KEY_key2buf(const EC_KEY *key, point_conversion_form_t form,
unsigned char **pbuf, BN_CTX *ctx);
/** Decodes a EC_KEY public key from a octet string
* \param key key to decode
* \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 occurred
*/
int EC_KEY_oct2key(EC_KEY *key, const unsigned char *buf, size_t len,
BN_CTX *ctx);
/** Decodes an EC_KEY private key from an octet string
* \param key key to decode
* \param buf memory buffer with the encoded private key
* \param len length of the encoded key
* \return 1 on success and 0 if an error occurred
*/
int EC_KEY_oct2priv(EC_KEY *key, const unsigned char *buf, size_t len);
/** Encodes a EC_KEY private key to an octet string
* \param key key to encode
* \param buf memory buffer for the result. If NULL the function returns
* required buffer size.
* \param len length of the memory buffer
* \return the length of the encoded octet string or 0 if an error occurred
*/
size_t EC_KEY_priv2oct(const EC_KEY *key, unsigned char *buf, size_t len);
/** Encodes an EC_KEY private key to an allocated octet string
* \param key key to encode
* \param pbuf returns pointer to allocated buffer
* \return the length of the encoded octet string or 0 if an error occurred
*/
size_t EC_KEY_priv2buf(const EC_KEY *eckey, unsigned char **pbuf);
/********************************************************************/
/* 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 parameters 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(const EC_KEY *key, unsigned char **out);
/** 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);
# ifndef OPENSSL_NO_STDIO
/** 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
const EC_KEY_METHOD *EC_KEY_OpenSSL(void);
const EC_KEY_METHOD *EC_KEY_get_default_method(void);
void EC_KEY_set_default_method(const EC_KEY_METHOD *meth);
const EC_KEY_METHOD *EC_KEY_get_method(const EC_KEY *key);
int EC_KEY_set_method(EC_KEY *key, const EC_KEY_METHOD *meth);
EC_KEY *EC_KEY_new_method(ENGINE *engine);
int ECDH_KDF_X9_62(unsigned char *out, size_t outlen,
const unsigned char *Z, size_t Zlen,
const unsigned char *sinfo, size_t sinfolen,
const EVP_MD *md);
int ECDH_compute_key(void *out, size_t outlen, const EC_POINT *pub_key,
const EC_KEY *ecdh,
void *(*KDF) (const void *in, size_t inlen,
void *out, size_t *outlen));
typedef struct ECDSA_SIG_st ECDSA_SIG;
/** Allocates and initialize a ECDSA_SIG structure
* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
*/
ECDSA_SIG *ECDSA_SIG_new(void);
/** frees a ECDSA_SIG structure
* \param sig pointer to the ECDSA_SIG structure
*/
void ECDSA_SIG_free(ECDSA_SIG *sig);
/** DER encode content of ECDSA_SIG object (note: this function modifies *pp
* (*pp += length of the DER encoded signature)).
* \param sig pointer to the ECDSA_SIG object
* \param pp pointer to a unsigned char pointer for the output or NULL
* \return the length of the DER encoded ECDSA_SIG object or 0
*/
int i2d_ECDSA_SIG(const ECDSA_SIG *sig, unsigned char **pp);
/** Decodes a DER encoded ECDSA signature (note: this function changes *pp
* (*pp += len)).
* \param sig pointer to ECDSA_SIG pointer (may be NULL)
* \param pp memory buffer with the DER encoded signature
* \param len length of the buffer
* \return pointer to the decoded ECDSA_SIG structure (or NULL)
*/
ECDSA_SIG *d2i_ECDSA_SIG(ECDSA_SIG **sig, const unsigned char **pp, long len);
/** Accessor for r and s fields of ECDSA_SIG
* \param sig pointer to ECDSA_SIG pointer
* \param pr pointer to BIGNUM pointer for r (may be NULL)
* \param ps pointer to BIGNUM pointer for s (may be NULL)
*/
void ECDSA_SIG_get0(const ECDSA_SIG *sig, const BIGNUM **pr, const BIGNUM **ps);
/** Setter for r and s fields of ECDSA_SIG
* \param sig pointer to ECDSA_SIG pointer
* \param r pointer to BIGNUM for r (may be NULL)
* \param s pointer to BIGNUM for s (may be NULL)
*/
int ECDSA_SIG_set0(ECDSA_SIG *sig, BIGNUM *r, BIGNUM *s);
/** Computes the ECDSA signature of the given hash value using
* the supplied private key and returns the created signature.
* \param dgst pointer to the hash value
* \param dgst_len length of the hash value
* \param eckey EC_KEY object containing a private EC key
* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
*/
ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dgst_len,
EC_KEY *eckey);
/** Computes ECDSA signature of a given hash value using the supplied
* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
* \param dgst pointer to the hash value to sign
* \param dgstlen length of the hash value
* \param kinv BIGNUM with a pre-computed inverse k (optional)
* \param rp BIGNUM with a pre-computed rp value (optional),
* see ECDSA_sign_setup
* \param eckey EC_KEY object containing a private EC key
* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
*/
ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dgstlen,
const BIGNUM *kinv, const BIGNUM *rp,
EC_KEY *eckey);
/** Verifies that the supplied signature is a valid ECDSA
* signature of the supplied hash value using the supplied public key.
* \param dgst pointer to the hash value
* \param dgst_len length of the hash value
* \param sig ECDSA_SIG structure
* \param eckey EC_KEY object containing a public EC key
* \return 1 if the signature is valid, 0 if the signature is invalid
* and -1 on error
*/
int ECDSA_do_verify(const unsigned char *dgst, int dgst_len,
const ECDSA_SIG *sig, EC_KEY *eckey);
/** Precompute parts of the signing operation
* \param eckey EC_KEY object containing a private EC key
* \param ctx BN_CTX object (optional)
* \param kinv BIGNUM pointer for the inverse of k
* \param rp BIGNUM pointer for x coordinate of k * generator
* \return 1 on success and 0 otherwise
*/
int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx, BIGNUM **kinv, BIGNUM **rp);
/** Computes ECDSA signature of a given hash value using the supplied
* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
* \param type this parameter is ignored
* \param dgst pointer to the hash value to sign
* \param dgstlen length of the hash value
* \param sig memory for the DER encoded created signature
* \param siglen pointer to the length of the returned signature
* \param eckey EC_KEY object containing a private EC key
* \return 1 on success and 0 otherwise
*/
int ECDSA_sign(int type, const unsigned char *dgst, int dgstlen,
unsigned char *sig, unsigned int *siglen, EC_KEY *eckey);
/** Computes ECDSA signature of a given hash value using the supplied
* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
* \param type this parameter is ignored
* \param dgst pointer to the hash value to sign
* \param dgstlen length of the hash value
* \param sig buffer to hold the DER encoded signature
* \param siglen pointer to the length of the returned signature
* \param kinv BIGNUM with a pre-computed inverse k (optional)
* \param rp BIGNUM with a pre-computed rp value (optional),
* see ECDSA_sign_setup
* \param eckey EC_KEY object containing a private EC key
* \return 1 on success and 0 otherwise
*/
int ECDSA_sign_ex(int type, const unsigned char *dgst, int dgstlen,
unsigned char *sig, unsigned int *siglen,
const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey);
/** Verifies that the given signature is valid ECDSA signature
* of the supplied hash value using the specified public key.
* \param type this parameter is ignored
* \param dgst pointer to the hash value
* \param dgstlen length of the hash value
* \param sig pointer to the DER encoded signature
* \param siglen length of the DER encoded signature
* \param eckey EC_KEY object containing a public EC key
* \return 1 if the signature is valid, 0 if the signature is invalid
* and -1 on error
*/
int ECDSA_verify(int type, const unsigned char *dgst, int dgstlen,
const unsigned char *sig, int siglen, EC_KEY *eckey);
/** Returns the maximum length of the DER encoded signature
* \param eckey EC_KEY object
* \return numbers of bytes required for the DER encoded signature
*/
int ECDSA_size(const EC_KEY *eckey);
/********************************************************************/
/* EC_KEY_METHOD constructors, destructors, writers and accessors */
/********************************************************************/
EC_KEY_METHOD *EC_KEY_METHOD_new(const EC_KEY_METHOD *meth);
void EC_KEY_METHOD_free(EC_KEY_METHOD *meth);
void EC_KEY_METHOD_set_init(EC_KEY_METHOD *meth,
int (*init)(EC_KEY *key),
void (*finish)(EC_KEY *key),
int (*copy)(EC_KEY *dest, const EC_KEY *src),
int (*set_group)(EC_KEY *key, const EC_GROUP *grp),
int (*set_private)(EC_KEY *key,
const BIGNUM *priv_key),
int (*set_public)(EC_KEY *key,
const EC_POINT *pub_key));
void EC_KEY_METHOD_set_keygen(EC_KEY_METHOD *meth,
int (*keygen)(EC_KEY *key));
void EC_KEY_METHOD_set_compute_key(EC_KEY_METHOD *meth,
int (*ckey)(unsigned char **psec,
size_t *pseclen,
const EC_POINT *pub_key,
const EC_KEY *ecdh));
void EC_KEY_METHOD_set_sign(EC_KEY_METHOD *meth,
int (*sign)(int type, const unsigned char *dgst,
int dlen, unsigned char *sig,
unsigned int *siglen,
const BIGNUM *kinv, const BIGNUM *r,
EC_KEY *eckey),
int (*sign_setup)(EC_KEY *eckey, BN_CTX *ctx_in,
BIGNUM **kinvp, BIGNUM **rp),
ECDSA_SIG *(*sign_sig)(const unsigned char *dgst,
int dgst_len,
const BIGNUM *in_kinv,
const BIGNUM *in_r,
EC_KEY *eckey));
void EC_KEY_METHOD_set_verify(EC_KEY_METHOD *meth,
int (*verify)(int type, const unsigned
char *dgst, int dgst_len,
const unsigned char *sigbuf,
int sig_len, EC_KEY *eckey),
int (*verify_sig)(const unsigned char *dgst,
int dgst_len,
const ECDSA_SIG *sig,
EC_KEY *eckey));
void EC_KEY_METHOD_get_init(EC_KEY_METHOD *meth,
int (**pinit)(EC_KEY *key),
void (**pfinish)(EC_KEY *key),
int (**pcopy)(EC_KEY *dest, const EC_KEY *src),
int (**pset_group)(EC_KEY *key,
const EC_GROUP *grp),
int (**pset_private)(EC_KEY *key,
const BIGNUM *priv_key),
int (**pset_public)(EC_KEY *key,
const EC_POINT *pub_key));
void EC_KEY_METHOD_get_keygen(EC_KEY_METHOD *meth,
int (**pkeygen)(EC_KEY *key));
void EC_KEY_METHOD_get_compute_key(EC_KEY_METHOD *meth,
int (**pck)(unsigned char **psec,
size_t *pseclen,
const EC_POINT *pub_key,
const EC_KEY *ecdh));
void EC_KEY_METHOD_get_sign(EC_KEY_METHOD *meth,
int (**psign)(int type, const unsigned char *dgst,
int dlen, unsigned char *sig,
unsigned int *siglen,
const BIGNUM *kinv, const BIGNUM *r,
EC_KEY *eckey),
int (**psign_setup)(EC_KEY *eckey, BN_CTX *ctx_in,
BIGNUM **kinvp, BIGNUM **rp),
ECDSA_SIG *(**psign_sig)(const unsigned char *dgst,
int dgst_len,
const BIGNUM *in_kinv,
const BIGNUM *in_r,
EC_KEY *eckey));
void EC_KEY_METHOD_get_verify(EC_KEY_METHOD *meth,
int (**pverify)(int type, const unsigned
char *dgst, int dgst_len,
const unsigned char *sigbuf,
int sig_len, EC_KEY *eckey),
int (**pverify_sig)(const unsigned char *dgst,
int dgst_len,
const ECDSA_SIG *sig,
EC_KEY *eckey));
# 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
# define EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN, \
EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID, nid, NULL)
# define EVP_PKEY_CTX_set_ec_param_enc(ctx, flag) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN, \
EVP_PKEY_CTRL_EC_PARAM_ENC, flag, NULL)
# define EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, flag) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_EC_ECDH_COFACTOR, flag, NULL)
# define EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_EC_ECDH_COFACTOR, -2, NULL)
# define EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, kdf) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_EC_KDF_TYPE, kdf, NULL)
# define EVP_PKEY_CTX_get_ecdh_kdf_type(ctx) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_EC_KDF_TYPE, -2, NULL)
# define EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, md) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_EC_KDF_MD, 0, (void *)md)
# define EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, pmd) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_GET_EC_KDF_MD, 0, (void *)pmd)
# define EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, len) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_EC_KDF_OUTLEN, len, NULL)
# define EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, plen) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN, 0, (void *)plen)
# define EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p, plen) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_EC_KDF_UKM, plen, (void *)p)
# define EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p) \
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
EVP_PKEY_OP_DERIVE, \
EVP_PKEY_CTRL_GET_EC_KDF_UKM, 0, (void *)p)
# define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID (EVP_PKEY_ALG_CTRL + 1)
# define EVP_PKEY_CTRL_EC_PARAM_ENC (EVP_PKEY_ALG_CTRL + 2)
# define EVP_PKEY_CTRL_EC_ECDH_COFACTOR (EVP_PKEY_ALG_CTRL + 3)
# define EVP_PKEY_CTRL_EC_KDF_TYPE (EVP_PKEY_ALG_CTRL + 4)
# define EVP_PKEY_CTRL_EC_KDF_MD (EVP_PKEY_ALG_CTRL + 5)
# define EVP_PKEY_CTRL_GET_EC_KDF_MD (EVP_PKEY_ALG_CTRL + 6)
# define EVP_PKEY_CTRL_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 7)
# define EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 8)
# define EVP_PKEY_CTRL_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 9)
# define EVP_PKEY_CTRL_GET_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 10)
/* KDF types */
# define EVP_PKEY_ECDH_KDF_NONE 1
# define EVP_PKEY_ECDH_KDF_X9_62 2
/* 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.
*/
int ERR_load_EC_strings(void);
/* Error codes for the EC functions. */
/* Function codes. */
# define EC_F_BN_TO_FELEM 100
# define EC_F_D2I_ECIESPARAMETERS 101
# define EC_F_D2I_ECPARAMETERS 102
# define EC_F_D2I_ECPKPARAMETERS 103
# define EC_F_D2I_ECPRIVATEKEY 104
# define EC_F_DO_EC_KEY_PRINT 105
# define EC_F_ECDH_CMS_DECRYPT 106
# define EC_F_ECDH_CMS_SET_SHARED_INFO 107
# define EC_F_ECDH_COMPUTE_KEY 108
# define EC_F_ECDH_SIMPLE_COMPUTE_KEY 109
# define EC_F_ECDSA_DO_SIGN_EX 110
# define EC_F_ECDSA_DO_VERIFY 111
# define EC_F_ECDSA_SIGN_EX 112
# define EC_F_ECDSA_SIGN_SETUP 113
# define EC_F_ECDSA_SIG_NEW 114
# define EC_F_ECDSA_VERIFY 115
# define EC_F_ECIES_DECRYPT 116
# define EC_F_ECIES_DO_DECRYPT 117
# define EC_F_ECIES_DO_ENCRYPT 118
# define EC_F_ECIES_ENCRYPT 119
# define EC_F_ECIES_PARAMS_GET_ENC 120
# define EC_F_ECIES_PARAMS_GET_KDF 121
# define EC_F_ECIES_PARAMS_GET_MAC 122
# define EC_F_ECIES_PARAMS_INIT_WITH_RECOMMENDED 123
# define EC_F_ECIES_PARAMS_INIT_WITH_TYPE 124
# define EC_F_ECKEY_PARAM2TYPE 125
# define EC_F_ECKEY_PARAM_DECODE 126
# define EC_F_ECKEY_PRIV_DECODE 127
# define EC_F_ECKEY_PRIV_ENCODE 128
# define EC_F_ECKEY_PUB_DECODE 129
# define EC_F_ECKEY_PUB_ENCODE 130
# define EC_F_ECKEY_TYPE2PARAM 131
# define EC_F_ECPARAMETERS_PRINT_FP 132
# define EC_F_ECPKPARAMETERS_PRINT 133
# define EC_F_ECPKPARAMETERS_PRINT_FP 134
# define EC_F_ECP_NISTZ256_GET_AFFINE 135
# define EC_F_ECP_NISTZ256_MULT_PRECOMPUTE 136
# define EC_F_ECP_NISTZ256_POINTS_MUL 137
# define EC_F_ECP_NISTZ256_PRE_COMP_NEW 138
# define EC_F_ECP_NISTZ256_WINDOWED_MUL 139
# define EC_F_ECP_SM2Z256_GET_AFFINE 278
# define EC_F_ECP_SM2Z256_MULT_PRECOMPUTE 279
# define EC_F_ECP_SM2Z256_POINTS_MUL 280
# define EC_F_ECP_SM2Z256_PRE_COMP_NEW 281
# define EC_F_ECP_SM2Z256_WINDOWED_MUL 282
# define EC_F_ECX_KEY_OP 140
# define EC_F_ECX_PRIV_ENCODE 141
# define EC_F_ECX_PUB_ENCODE 142
# define EC_F_EC_ASN1_GROUP2CURVE 143
# define EC_F_EC_ASN1_GROUP2FIELDID 144
# define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY 145
# define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT 146
# define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE 147
# define EC_F_EC_GF2M_SIMPLE_OCT2POINT 148
# define EC_F_EC_GF2M_SIMPLE_POINT2OCT 149
# define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES 150
# define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES 151
# define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES 152
# define EC_F_EC_GFP_MONT_FIELD_DECODE 153
# define EC_F_EC_GFP_MONT_FIELD_ENCODE 154
# define EC_F_EC_GFP_MONT_FIELD_MUL 155
# define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE 156
# define EC_F_EC_GFP_MONT_FIELD_SQR 157
# define EC_F_EC_GFP_MONT_GROUP_SET_CURVE 158
# define EC_F_EC_GFP_NISTP224_GROUP_SET_CURVE 159
# define EC_F_EC_GFP_NISTP224_POINTS_MUL 160
# define EC_F_EC_GFP_NISTP224_POINT_GET_AFFINE_COORDINATES 161
# define EC_F_EC_GFP_NISTP256_GROUP_SET_CURVE 162
# define EC_F_EC_GFP_NISTP256_POINTS_MUL 163
# define EC_F_EC_GFP_NISTP256_POINT_GET_AFFINE_COORDINATES 164
# define EC_F_EC_GFP_NISTP521_GROUP_SET_CURVE 165
# define EC_F_EC_GFP_NISTP521_POINTS_MUL 166
# define EC_F_EC_GFP_NISTP521_POINT_GET_AFFINE_COORDINATES 167
# define EC_F_EC_GFP_NIST_FIELD_MUL 168
# define EC_F_EC_GFP_NIST_FIELD_SQR 169
# define EC_F_EC_GFP_NIST_GROUP_SET_CURVE 170
# define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT 171
# define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE 172
# define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE 173
# define EC_F_EC_GFP_SIMPLE_OCT2POINT 174
# define EC_F_EC_GFP_SIMPLE_POINT2OCT 175
# define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE 176
# define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES 177
# define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES 178
# define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES 179
# define EC_F_EC_GFP_SM2P256_GROUP_SET_CURVE 274
# define EC_F_EC_GFP_SM2P256_POINTS_MUL 275
# define EC_F_EC_GFP_SM2P256_POINT_GET_AFFINE_COORDINATES 276
# define EC_F_EC_GROUP_CHECK 180
# define EC_F_EC_GROUP_CHECK_DISCRIMINANT 181
# define EC_F_EC_GROUP_COPY 182
# define EC_F_EC_GROUP_GENERATE_TYPE1CURVE 183
# define EC_F_EC_GROUP_GET_CURVE_GF2M 184
# define EC_F_EC_GROUP_GET_CURVE_GFP 185
# define EC_F_EC_GROUP_GET_DEGREE 186
# define EC_F_EC_GROUP_GET_ECPARAMETERS 187
# define EC_F_EC_GROUP_GET_ECPKPARAMETERS 188
# define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 189
# define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 190
# define EC_F_EC_GROUP_GET_TYPE1CURVE_ETA 191
# define EC_F_EC_GROUP_GET_TYPE1CURVE_ZETA 192
# define EC_F_EC_GROUP_IS_TYPE1CURVE 193
# define EC_F_EC_GROUP_NEW 194
# define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 195
# define EC_F_EC_GROUP_NEW_FROM_DATA 196
# define EC_F_EC_GROUP_NEW_FROM_ECPARAMETERS 197
# define EC_F_EC_GROUP_NEW_FROM_ECPKPARAMETERS 198
# define EC_F_EC_GROUP_NEW_TYPE1CURVE 199
# define EC_F_EC_GROUP_SET_CURVE_GF2M 200
# define EC_F_EC_GROUP_SET_CURVE_GFP 201
# define EC_F_EC_GROUP_SET_GENERATOR 202
# define EC_F_EC_KEY_CHECK_KEY 203
# define EC_F_EC_KEY_COPY 204
# define EC_F_EC_KEY_GENERATE_KEY 205
# define EC_F_EC_KEY_NEW_METHOD 206
# define EC_F_EC_KEY_OCT2PRIV 207
# define EC_F_EC_KEY_PRINT_FP 208
# define EC_F_EC_KEY_PRIV2OCT 209
# define EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES 210
# define EC_F_EC_KEY_SIMPLE_CHECK_KEY 211
# define EC_F_EC_KEY_SIMPLE_OCT2PRIV 212
# define EC_F_EC_KEY_SIMPLE_PRIV2OCT 213
# define EC_F_EC_POINTS_MAKE_AFFINE 214
# define EC_F_EC_POINT_ADD 215
# define EC_F_EC_POINT_CMP 216
# define EC_F_EC_POINT_CMP_FPPOINT 217
# define EC_F_EC_POINT_COPY 218
# define EC_F_EC_POINT_DBL 219
# define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M 220
# define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP 221
# define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 222
# define EC_F_EC_POINT_HASH2POINT 223
# define EC_F_EC_POINT_INVERT 224
# define EC_F_EC_POINT_IS_AT_INFINITY 225
# define EC_F_EC_POINT_IS_ON_CURVE 226
# define EC_F_EC_POINT_MAKE_AFFINE 227
# define EC_F_EC_POINT_NEW 228
# define EC_F_EC_POINT_OCT2POINT 229
# define EC_F_EC_POINT_POINT2OCT 230
# define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M 231
# define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 232
# define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M 233
# define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP 234
# define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP 235
# define EC_F_EC_POINT_SET_TO_INFINITY 236
# define EC_F_EC_PRE_COMP_NEW 237
# define EC_F_EC_TYPE1CURVE_TATE 238
# define EC_F_EC_WNAF_MUL 239
# define EC_F_EC_WNAF_PRECOMPUTE_MULT 240
# define EC_F_I2D_ECIESPARAMETERS 241
# define EC_F_I2D_ECPARAMETERS 242
# define EC_F_I2D_ECPKPARAMETERS 243
# define EC_F_I2D_ECPRIVATEKEY 244
# define EC_F_I2O_ECPUBLICKEY 245
# define EC_F_NISTP224_PRE_COMP_NEW 246
# define EC_F_NISTP256_PRE_COMP_NEW 247
# define EC_F_NISTP521_PRE_COMP_NEW 248
# define EC_F_O2I_ECPUBLICKEY 249
# define EC_F_OLD_EC_PRIV_DECODE 250
# define EC_F_OSSL_ECDH_COMPUTE_KEY 251
# define EC_F_OSSL_ECDSA_SIGN_SIG 252
# define EC_F_OSSL_ECDSA_VERIFY_SIG 253
# define EC_F_PKEY_ECX_DERIVE 254
# define EC_F_PKEY_EC_CTRL 255
# define EC_F_PKEY_EC_CTRL_STR 256
# define EC_F_PKEY_EC_DECRYPT 257
# define EC_F_PKEY_EC_DERIVE 258
# define EC_F_PKEY_EC_ENCRYPT 259
# define EC_F_PKEY_EC_KEYGEN 260
# define EC_F_PKEY_EC_PARAMGEN 261
# define EC_F_PKEY_EC_SIGN 262
# define EC_F_SM2P256_PRE_COMP_NEW 277
# define EC_F_SM2_COMPUTE_ID_DIGEST 263
# define EC_F_SM2_COMPUTE_MESSAGE_DIGEST 264
# define EC_F_SM2_DO_ENCRYPT 265
# define EC_F_SM2_GET_PUBLIC_KEY_DATA 266
# define EC_F_SM2_KAP_COMPUTE_KEY 267
# define EC_F_SM2_KAP_CTX_INIT 268
# define EC_F_SM2_KAP_FINAL_CHECK 269
# define EC_F_SM2_KAP_PREPARE 270
# define EC_F_TYPE1CURVE_EVAL_LINE_TEXTBOOK 271
# define EC_F_TYPE1CURVE_EVAL_MILLER_TEXTBOOK 272
# define EC_F_TYPE1CURVE_PHI 273
/* Reason codes. */
# define EC_R_ASN1_ERROR 100
# define EC_R_BAD_SIGNATURE 101
# define EC_R_BIGNUM_OUT_OF_RANGE 102
# define EC_R_BUFFER_TOO_SMALL 103
# define EC_R_CMAC_FINAL_FAILURE 104
# define EC_R_CMAC_INIT_FAILURE 105
# define EC_R_CMAC_UPDATE_FAILURE 106
# define EC_R_COORDINATES_OUT_OF_RANGE 107
# define EC_R_CURVE_DOES_NOT_SUPPORT_ECDH 108
# define EC_R_CURVE_DOES_NOT_SUPPORT_SIGNING 109
# define EC_R_D2I_ECPKPARAMETERS_FAILURE 110
# define EC_R_DECODE_ERROR 111
# define EC_R_DECRYPT_FAILED 112
# define EC_R_DISCRIMINANT_IS_ZERO 113
# define EC_R_ECDH_FAILED 114
# define EC_R_ECDH_FAILURE 115
# define EC_R_ECIES_DECRYPT_FAILED 116
# define EC_R_ECIES_DECRYPT_INIT_FAILURE 117
# define EC_R_ECIES_ENCRYPT_FAILED 118
# define EC_R_ECIES_VERIFY_MAC_FAILURE 119
# define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 120
# define EC_R_ENCODE_ERROR 198
# define EC_R_ENCRYPT_FAILED 121
# define EC_R_ENCRYPT_FAILURE 122
# define EC_R_ERROR 123
# define EC_R_FIELD_TOO_LARGE 124
# define EC_R_GEN_MAC_FAILED 125
# define EC_R_GET_PUBLIC_KEY_DATA_FAILURE 126
# define EC_R_GET_TYPE1CURVE_ZETA_FAILURE 127
# define EC_R_GF2M_NOT_SUPPORTED 128
# define EC_R_GROUP2PKPARAMETERS_FAILURE 129
# define EC_R_GROUP_MISMATCH 199
# define EC_R_HMAC_FAILURE 130
# define EC_R_I2D_ECPKPARAMETERS_FAILURE 131
# define EC_R_INCOMPATIBLE_OBJECTS 132
# define EC_R_INVALID_ARGUMENT 133
# define EC_R_INVALID_COMPRESSED_POINT 134
# define EC_R_INVALID_COMPRESSION_BIT 135
# define EC_R_INVALID_CURVE 136
# define EC_R_INVALID_DIGEST 137
# define EC_R_INVALID_DIGEST_ALGOR 138
# define EC_R_INVALID_DIGEST_TYPE 139
# define EC_R_INVALID_ECIES_CIPHERTEXT 140
# define EC_R_INVALID_ECIES_PARAMETERS 141
# define EC_R_INVALID_ECIES_PARAMS 142
# define EC_R_INVALID_EC_ENCRYPT_PARAM 143
# define EC_R_INVALID_EC_SCHEME 144
# define EC_R_INVALID_ENCODING 145
# define EC_R_INVALID_ENC_PARAM 146
# define EC_R_INVALID_ENC_TYPE 147
# define EC_R_INVALID_FIELD 148
# define EC_R_INVALID_FORM 149
# define EC_R_INVALID_GROUP_ORDER 150
# define EC_R_INVALID_ID_LENGTH 151
# define EC_R_INVALID_INPUT_LENGTH 152
# define EC_R_INVALID_KDF_MD 153
# define EC_R_INVALID_KEY 154
# define EC_R_INVALID_MD 155
# define EC_R_INVALID_OUTPUT_LENGTH 156
# define EC_R_INVALID_PEER_KEY 157
# define EC_R_INVALID_PENTANOMIAL_BASIS 158
# define EC_R_INVALID_PRIVATE_KEY 159
# define EC_R_INVALID_SIGNER_ID 160
# define EC_R_INVALID_SM2_ID 161
# define EC_R_INVALID_SM2_KAP_CHECKSUM_LENGTH 162
# define EC_R_INVALID_SM2_KAP_CHECKSUM_VALUE 163
# define EC_R_INVALID_TRINOMIAL_BASIS 164
# define EC_R_INVALID_TYPE1CURVE 165
# define EC_R_INVALID_TYPE1_CURVE 166
# define EC_R_INVLID_TYPE1CURVE 167
# define EC_R_KDF_PARAMETER_ERROR 168
# define EC_R_KEYS_NOT_SET 169
# define EC_R_MISSING_PARAMETERS 170
# define EC_R_MISSING_PRIVATE_KEY 171
# define EC_R_NEED_NEW_SETUP_VALUES 172
# define EC_R_NOT_A_NIST_PRIME 173
# define EC_R_NOT_IMPLEMENTED 174
# define EC_R_NOT_INITIALIZED 175
# define EC_R_NO_PARAMETERS_SET 176
# define EC_R_NO_PRIVATE_VALUE 177
# define EC_R_OPERATION_NOT_SUPPORTED 178
# define EC_R_PASSED_NULL_PARAMETER 179
# define EC_R_PEER_KEY_ERROR 180
# define EC_R_PKPARAMETERS2GROUP_FAILURE 181
# define EC_R_POINT_ARITHMETIC_FAILURE 182
# define EC_R_POINT_AT_INFINITY 183
# define EC_R_POINT_IS_NOT_ON_CURVE 184
# define EC_R_RANDOM_NUMBER_GENERATION_FAILED 185
# define EC_R_SHARED_INFO_ERROR 186
# define EC_R_SLOT_FULL 187
# define EC_R_SM2_DECRYPT_FAILED 188
# define EC_R_SM2_ENCRYPT_FAILED 189
# define EC_R_SM2_KAP_NOT_INITED 190
# define EC_R_UNDEFINED_GENERATOR 191
# define EC_R_UNDEFINED_ORDER 192
# define EC_R_UNKNOWN_GROUP 193
# define EC_R_UNKNOWN_ORDER 194
# define EC_R_UNSUPPORTED_FIELD 195
# define EC_R_WRONG_CURVE_PARAMETERS 196
# define EC_R_WRONG_ORDER 197
# ifdef __cplusplus
}
# endif
# endif
#endif
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