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237 lines
8.9 KiB
C
237 lines
8.9 KiB
C
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/* ec.h
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*
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* Copyright (C) 2006-2019 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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/* ec.h for openssl */
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#ifndef WOLFSSL_EC_H_
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#define WOLFSSL_EC_H_
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#include <libwolfssl/openssl/bn.h>
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#include <libwolfssl/wolfcrypt/ecc.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Map OpenSSL NID value */
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enum {
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POINT_CONVERSION_COMPRESSED = 2,
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POINT_CONVERSION_UNCOMPRESSED = 4,
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#ifdef HAVE_ECC
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/* Use ecc_curve_type enum values for NID */
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NID_X9_62_prime192v1 = ECC_SECP192R1,
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NID_X9_62_prime256v1 = ECC_SECP256R1,
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NID_secp112r1 = ECC_SECP112R1,
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NID_secp112r2 = ECC_SECP112R2,
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NID_secp128r1 = ECC_SECP128R1,
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NID_secp128r2 = ECC_SECP128R2,
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NID_secp160r1 = ECC_SECP160R1,
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NID_secp160r2 = ECC_SECP160R2,
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NID_secp224r1 = ECC_SECP224R1,
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NID_secp384r1 = ECC_SECP384R1,
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NID_secp521r1 = ECC_SECP521R1,
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NID_secp160k1 = ECC_SECP160K1,
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NID_secp192k1 = ECC_SECP192K1,
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NID_secp224k1 = ECC_SECP224K1,
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NID_secp256k1 = ECC_SECP256K1,
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NID_brainpoolP160r1 = ECC_BRAINPOOLP160R1,
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NID_brainpoolP192r1 = ECC_BRAINPOOLP192R1,
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NID_brainpoolP224r1 = ECC_BRAINPOOLP224R1,
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NID_brainpoolP256r1 = ECC_BRAINPOOLP256R1,
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NID_brainpoolP320r1 = ECC_BRAINPOOLP320R1,
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NID_brainpoolP384r1 = ECC_BRAINPOOLP384R1,
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NID_brainpoolP512r1 = ECC_BRAINPOOLP512R1,
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#endif
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OPENSSL_EC_NAMED_CURVE = 0x001
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};
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#ifndef WOLFSSL_EC_TYPE_DEFINED /* guard on redeclaration */
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typedef struct WOLFSSL_EC_KEY WOLFSSL_EC_KEY;
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typedef struct WOLFSSL_EC_POINT WOLFSSL_EC_POINT;
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typedef struct WOLFSSL_EC_GROUP WOLFSSL_EC_GROUP;
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#define WOLFSSL_EC_TYPE_DEFINED
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#endif
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typedef WOLFSSL_EC_KEY EC_KEY;
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typedef WOLFSSL_EC_GROUP EC_GROUP;
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typedef WOLFSSL_EC_POINT EC_POINT;
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struct WOLFSSL_EC_POINT {
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WOLFSSL_BIGNUM *X;
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WOLFSSL_BIGNUM *Y;
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WOLFSSL_BIGNUM *Z;
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void* internal; /* our ECC point */
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char inSet; /* internal set from external ? */
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char exSet; /* external set from internal ? */
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};
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struct WOLFSSL_EC_GROUP {
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int curve_idx; /* index of curve, used by WolfSSL as reference */
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int curve_nid; /* NID of curve, used by OpenSSL/OpenSSH as reference */
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int curve_oid; /* OID of curve, used by OpenSSL/OpenSSH as reference */
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};
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struct WOLFSSL_EC_KEY {
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WOLFSSL_EC_GROUP *group;
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WOLFSSL_EC_POINT *pub_key;
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WOLFSSL_BIGNUM *priv_key;
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void* internal; /* our ECC Key */
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char inSet; /* internal set from external ? */
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char exSet; /* external set from internal ? */
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};
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#define WOLFSSL_EC_KEY_LOAD_PRIVATE 1
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#define WOLFSSL_EC_KEY_LOAD_PUBLIC 2
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WOLFSSL_API
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int wolfSSL_ECPoint_i2d(const WOLFSSL_EC_GROUP *curve,
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const WOLFSSL_EC_POINT *p,
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unsigned char *out, unsigned int *len);
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WOLFSSL_API
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int wolfSSL_ECPoint_d2i(unsigned char *in, unsigned int len,
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const WOLFSSL_EC_GROUP *curve, WOLFSSL_EC_POINT *p);
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WOLFSSL_API
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int wolfSSL_EC_KEY_LoadDer(WOLFSSL_EC_KEY* key,
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const unsigned char* der, int derSz);
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WOLFSSL_API
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int wolfSSL_EC_KEY_LoadDer_ex(WOLFSSL_EC_KEY* key,
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const unsigned char* der, int derSz, int opt);
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WOLFSSL_API
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void wolfSSL_EC_KEY_free(WOLFSSL_EC_KEY *key);
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WOLFSSL_API
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WOLFSSL_EC_POINT *wolfSSL_EC_KEY_get0_public_key(const WOLFSSL_EC_KEY *key);
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WOLFSSL_API
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const WOLFSSL_EC_GROUP *wolfSSL_EC_KEY_get0_group(const WOLFSSL_EC_KEY *key);
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WOLFSSL_API
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int wolfSSL_EC_KEY_set_private_key(WOLFSSL_EC_KEY *key,
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const WOLFSSL_BIGNUM *priv_key);
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WOLFSSL_API
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WOLFSSL_BIGNUM *wolfSSL_EC_KEY_get0_private_key(const WOLFSSL_EC_KEY *key);
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WOLFSSL_API
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WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new_by_curve_name(int nid);
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WOLFSSL_API const char* wolfSSL_EC_curve_nid2nist(int nid);
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WOLFSSL_API
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WOLFSSL_EC_KEY *wolfSSL_EC_KEY_new(void);
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WOLFSSL_API
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int wolfSSL_EC_KEY_set_group(WOLFSSL_EC_KEY *key, WOLFSSL_EC_GROUP *group);
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WOLFSSL_API
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int wolfSSL_EC_KEY_generate_key(WOLFSSL_EC_KEY *key);
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WOLFSSL_API
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void wolfSSL_EC_KEY_set_asn1_flag(WOLFSSL_EC_KEY *key, int asn1_flag);
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WOLFSSL_API
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int wolfSSL_EC_KEY_set_public_key(WOLFSSL_EC_KEY *key,
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const WOLFSSL_EC_POINT *pub);
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WOLFSSL_API
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void wolfSSL_EC_GROUP_set_asn1_flag(WOLFSSL_EC_GROUP *group, int flag);
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WOLFSSL_API
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WOLFSSL_EC_GROUP *wolfSSL_EC_GROUP_new_by_curve_name(int nid);
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WOLFSSL_API
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int wolfSSL_EC_GROUP_cmp(const WOLFSSL_EC_GROUP *a, const WOLFSSL_EC_GROUP *b,
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WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API
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int wolfSSL_EC_GROUP_get_curve_name(const WOLFSSL_EC_GROUP *group);
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WOLFSSL_API
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int wolfSSL_EC_GROUP_get_degree(const WOLFSSL_EC_GROUP *group);
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WOLFSSL_API
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int wolfSSL_EC_GROUP_get_order(const WOLFSSL_EC_GROUP *group,
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WOLFSSL_BIGNUM *order, WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API
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void wolfSSL_EC_GROUP_free(WOLFSSL_EC_GROUP *group);
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WOLFSSL_API
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WOLFSSL_EC_POINT *wolfSSL_EC_POINT_new(const WOLFSSL_EC_GROUP *group);
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WOLFSSL_API
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int wolfSSL_EC_POINT_get_affine_coordinates_GFp(const WOLFSSL_EC_GROUP *group,
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const WOLFSSL_EC_POINT *p,
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WOLFSSL_BIGNUM *x,
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WOLFSSL_BIGNUM *y,
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WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API
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int wolfSSL_EC_POINT_mul(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *r,
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const WOLFSSL_BIGNUM *n,
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const WOLFSSL_EC_POINT *q, const WOLFSSL_BIGNUM *m,
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WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API
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void wolfSSL_EC_POINT_clear_free(WOLFSSL_EC_POINT *point);
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WOLFSSL_API
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int wolfSSL_EC_POINT_cmp(const WOLFSSL_EC_GROUP *group,
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const WOLFSSL_EC_POINT *a, const WOLFSSL_EC_POINT *b,
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WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API
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void wolfSSL_EC_POINT_free(WOLFSSL_EC_POINT *point);
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WOLFSSL_API
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int wolfSSL_EC_POINT_is_at_infinity(const WOLFSSL_EC_GROUP *group,
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const WOLFSSL_EC_POINT *a);
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#ifndef HAVE_SELFTEST
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WOLFSSL_API
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char* wolfSSL_EC_POINT_point2hex(const WOLFSSL_EC_GROUP* group,
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const WOLFSSL_EC_POINT* point, int form,
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WOLFSSL_BN_CTX* ctx);
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#endif
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#define EC_KEY_new wolfSSL_EC_KEY_new
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#define EC_KEY_free wolfSSL_EC_KEY_free
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#define EC_KEY_get0_public_key wolfSSL_EC_KEY_get0_public_key
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#define EC_KEY_get0_group wolfSSL_EC_KEY_get0_group
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#define EC_KEY_set_private_key wolfSSL_EC_KEY_set_private_key
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#define EC_KEY_get0_private_key wolfSSL_EC_KEY_get0_private_key
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#define EC_KEY_new_by_curve_name wolfSSL_EC_KEY_new_by_curve_name
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#define EC_KEY_set_group wolfSSL_EC_KEY_set_group
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#define EC_KEY_generate_key wolfSSL_EC_KEY_generate_key
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#define EC_KEY_set_asn1_flag wolfSSL_EC_KEY_set_asn1_flag
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#define EC_KEY_set_public_key wolfSSL_EC_KEY_set_public_key
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#define EC_GROUP_free wolfSSL_EC_GROUP_free
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#define EC_GROUP_set_asn1_flag wolfSSL_EC_GROUP_set_asn1_flag
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#define EC_GROUP_new_by_curve_name wolfSSL_EC_GROUP_new_by_curve_name
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#define EC_GROUP_cmp wolfSSL_EC_GROUP_cmp
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#define EC_GROUP_get_curve_name wolfSSL_EC_GROUP_get_curve_name
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#define EC_GROUP_get_degree wolfSSL_EC_GROUP_get_degree
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#define EC_GROUP_get_order wolfSSL_EC_GROUP_get_order
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#define EC_POINT_new wolfSSL_EC_POINT_new
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#define EC_POINT_free wolfSSL_EC_POINT_free
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#define EC_POINT_get_affine_coordinates_GFp \
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wolfSSL_EC_POINT_get_affine_coordinates_GFp
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#define EC_POINT_mul wolfSSL_EC_POINT_mul
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#define EC_POINT_clear_free wolfSSL_EC_POINT_clear_free
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#define EC_POINT_cmp wolfSSL_EC_POINT_cmp
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#define EC_POINT_is_at_infinity wolfSSL_EC_POINT_is_at_infinity
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#ifndef HAVE_SELFTEST
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#define EC_POINT_point2hex wolfSSL_EC_POINT_point2hex
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#endif
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#define EC_POINT_dump wolfSSL_EC_POINT_dump
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#define EC_curve_nid2nist wolfSSL_EC_curve_nid2nist
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* header */
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