#ifndef HEADER_EC_H
#define HEADER_EC_H
#ifdef OPENSSL_NO_EC
#error EC is disabled.
#endif
#include <openssl/bn.h>
#include <openssl/symhacks.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
POINT_CONVERSION_COMPRESSED = 2,
POINT_CONVERSION_UNCOMPRESSED = 4,
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;
const EC_METHOD *EC_GFp_simple_method(void);
const EC_METHOD *EC_GFp_mont_method(void);
#if 0
const EC_METHOD *EC_GFp_recp_method(void);
const EC_METHOD *EC_GFp_nist_method(void);
#endif
EC_GROUP *EC_GROUP_new(const EC_METHOD *);
void EC_GROUP_free(EC_GROUP *);
void EC_GROUP_clear_free(EC_GROUP *);
int EC_GROUP_copy(EC_GROUP *, const EC_GROUP *);
const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *);
int EC_GROUP_set_curve_GFp(EC_GROUP *, const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
int EC_GROUP_get_curve_GFp(const EC_GROUP *, BIGNUM *p, BIGNUM *a, BIGNUM *b, BN_CTX *);
EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *);
int EC_GROUP_set_generator(EC_GROUP *, const EC_POINT *generator, const BIGNUM *order, const BIGNUM *cofactor);
EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *);
int EC_GROUP_get_order(const EC_GROUP *, BIGNUM *order, BN_CTX *);
int EC_GROUP_get_cofactor(const EC_GROUP *, BIGNUM *cofactor, BN_CTX *);
EC_POINT *EC_POINT_new(const EC_GROUP *);
void EC_POINT_free(EC_POINT *);
void EC_POINT_clear_free(EC_POINT *);
int EC_POINT_copy(EC_POINT *, const EC_POINT *);
const EC_METHOD *EC_POINT_method_of(const EC_POINT *);
int EC_POINT_set_to_infinity(const EC_GROUP *, EC_POINT *);
int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *, EC_POINT *,
const BIGNUM *x, const BIGNUM *y, const BIGNUM *z, BN_CTX *);
int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *, const EC_POINT *,
BIGNUM *x, BIGNUM *y, BIGNUM *z, BN_CTX *);
int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *, EC_POINT *,
const BIGNUM *x, const BIGNUM *y, BN_CTX *);
int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *, const EC_POINT *,
BIGNUM *x, BIGNUM *y, BN_CTX *);
int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *, EC_POINT *,
const BIGNUM *x, int y_bit, BN_CTX *);
size_t EC_POINT_point2oct(const EC_GROUP *, const EC_POINT *, point_conversion_form_t form,
unsigned char *buf, size_t len, BN_CTX *);
int EC_POINT_oct2point(const EC_GROUP *, EC_POINT *,
const unsigned char *buf, size_t len, BN_CTX *);
int EC_POINT_add(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, const EC_POINT *b, BN_CTX *);
int EC_POINT_dbl(const EC_GROUP *, EC_POINT *r, const EC_POINT *a, BN_CTX *);
int EC_POINT_invert(const EC_GROUP *, EC_POINT *, BN_CTX *);
int EC_POINT_is_at_infinity(const EC_GROUP *, const EC_POINT *);
int EC_POINT_is_on_curve(const EC_GROUP *, const EC_POINT *, BN_CTX *);
int EC_POINT_cmp(const EC_GROUP *, const EC_POINT *a, const EC_POINT *b, BN_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 *);
int EC_POINTs_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, size_t num, const EC_POINT *[], const BIGNUM *[], BN_CTX *);
int EC_POINT_mul(const EC_GROUP *, EC_POINT *r, const BIGNUM *, const EC_POINT *, const BIGNUM *, BN_CTX *);
int EC_GROUP_precompute_mult(EC_GROUP *, BN_CTX *);
void ERR_load_EC_strings(void);
#define EC_F_COMPUTE_WNAF 143
#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_SQR 132
#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_GFP 105
#define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128
#define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129
#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_GFP 130
#define EC_F_EC_GROUP_GET_ORDER 141
#define EC_F_EC_GROUP_NEW 108
#define EC_F_EC_GROUP_PRECOMPUTE_MULT 142
#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_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_GFP 116
#define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 117
#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_NEW 121
#define EC_F_EC_POINT_OCT2POINT 122
#define EC_F_EC_POINT_POINT2OCT 123
#define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 124
#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_GFP_MONT_GROUP_SET_CURVE_GFP 135
#define EC_R_BUFFER_TOO_SMALL 100
#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_NOT_INITIALIZED 111
#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_UNKNOWN_ORDER 114
#ifdef __cplusplus
}
#endif
#endif