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371 lines
15 KiB
C
371 lines
15 KiB
C
/* ec.h
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*
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* Copyright (C) 2006-2021 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 <libs/libwolfssl/openssl/bn.h>
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#include <libs/libwolfssl/wolfcrypt/asn.h>
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#include <libs/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 OpenSSL NIDs. NIDs can be mapped to ecc_curve_id enum values by
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calling NIDToEccEnum() in ssl.c */
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NID_X9_62_prime192v1 = 409,
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NID_X9_62_prime192v2 = 410,
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NID_X9_62_prime192v3 = 411,
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NID_X9_62_prime239v1 = 412,
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NID_X9_62_prime239v2 = 413,
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NID_X9_62_prime239v3 = 414,
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NID_X9_62_prime256v1 = 415,
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NID_secp112r1 = 704,
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NID_secp112r2 = 705,
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NID_secp128r1 = 706,
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NID_secp128r2 = 707,
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NID_secp160r1 = 709,
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NID_secp160r2 = 710,
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NID_secp224r1 = 713,
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NID_secp384r1 = 715,
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NID_secp521r1 = 716,
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NID_secp160k1 = 708,
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NID_secp192k1 = 711,
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NID_secp224k1 = 712,
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NID_secp256k1 = 714,
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NID_brainpoolP160r1 = 921,
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NID_brainpoolP192r1 = 923,
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NID_brainpoolP224r1 = 925,
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NID_brainpoolP256r1 = 927,
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NID_brainpoolP320r1 = 929,
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NID_brainpoolP384r1 = 931,
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NID_brainpoolP512r1 = 933,
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#endif
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#ifdef HAVE_ED448
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NID_ED448 = ED448k,
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#endif
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#ifdef HAVE_ED25519
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NID_ED25519 = ED25519k,
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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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typedef struct WOLFSSL_EC_BUILTIN_CURVE WOLFSSL_EC_BUILTIN_CURVE;
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/* WOLFSSL_EC_METHOD is just an alias of WOLFSSL_EC_GROUP for now */
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typedef struct WOLFSSL_EC_GROUP WOLFSSL_EC_METHOD;
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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_GROUP EC_METHOD;
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typedef WOLFSSL_EC_POINT EC_POINT;
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typedef WOLFSSL_EC_BUILTIN_CURVE EC_builtin_curve;
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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 form; /* Either POINT_CONVERSION_UNCOMPRESSED or
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* POINT_CONVERSION_COMPRESSED */
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word16 pkcs8HeaderSz;
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/* option bits */
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byte inSet:1; /* internal set from external ? */
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byte exSet:1; /* external set from internal ? */
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};
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struct WOLFSSL_EC_BUILTIN_CURVE {
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int nid;
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const char *comment;
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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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size_t wolfSSL_EC_get_builtin_curves(WOLFSSL_EC_BUILTIN_CURVE *r,size_t nitems);
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WOLFSSL_API
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WOLFSSL_EC_KEY *wolfSSL_EC_KEY_dup(const WOLFSSL_EC_KEY *src);
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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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size_t wolfSSL_EC_POINT_point2oct(const WOLFSSL_EC_GROUP *group,
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const WOLFSSL_EC_POINT *p,
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char form,
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byte *buf, size_t len, WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API
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int wolfSSL_EC_POINT_oct2point(const WOLFSSL_EC_GROUP *group,
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WOLFSSL_EC_POINT *p, const unsigned char *buf,
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size_t len, WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API
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WOLFSSL_EC_KEY *wolfSSL_o2i_ECPublicKey(WOLFSSL_EC_KEY **a, const unsigned char **in,
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long len);
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WOLFSSL_API
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int wolfSSL_i2o_ECPublicKey(const WOLFSSL_EC_KEY *in, unsigned char **out);
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WOLFSSL_API
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WOLFSSL_EC_KEY *wolfSSL_d2i_ECPrivateKey(WOLFSSL_EC_KEY **key, const unsigned char **in,
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long len);
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WOLFSSL_API
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int wolfSSL_i2d_ECPrivateKey(const WOLFSSL_EC_KEY *in, unsigned char **out);
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WOLFSSL_API
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void wolfSSL_EC_KEY_set_conv_form(WOLFSSL_EC_KEY *eckey, char form);
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WOLFSSL_API
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WOLFSSL_BIGNUM *wolfSSL_EC_POINT_point2bn(const WOLFSSL_EC_GROUP *group,
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const WOLFSSL_EC_POINT *p,
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char form,
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WOLFSSL_BIGNUM *in, WOLFSSL_BN_CTX *ctx);
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WOLFSSL_API
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int wolfSSL_EC_POINT_is_on_curve(const WOLFSSL_EC_GROUP *group,
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const WOLFSSL_EC_POINT *point,
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WOLFSSL_BN_CTX *ctx);
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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 int wolfSSL_EC_curve_nist2nid(const char* name);
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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 int wolfSSL_EC_KEY_check_key(const WOLFSSL_EC_KEY *key);
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WOLFSSL_API int wolfSSL_ECDSA_size(const WOLFSSL_EC_KEY *key);
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WOLFSSL_API int wolfSSL_ECDSA_sign(int type, const unsigned char *digest,
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int digestSz, unsigned char *sig,
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unsigned int *sigSz, WOLFSSL_EC_KEY *key);
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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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WOLFSSL_EC_GROUP *wolfSSL_EC_GROUP_dup(const WOLFSSL_EC_GROUP *src);
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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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int wolfSSL_EC_GROUP_order_bits(const WOLFSSL_EC_GROUP *group);
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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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const WOLFSSL_EC_METHOD* wolfSSL_EC_GROUP_method_of(
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const WOLFSSL_EC_GROUP *group);
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WOLFSSL_API
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int wolfSSL_EC_METHOD_get_field_type(const WOLFSSL_EC_METHOD *meth);
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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_set_affine_coordinates_GFp(const WOLFSSL_EC_GROUP *group,
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WOLFSSL_EC_POINT *point,
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const WOLFSSL_BIGNUM *x,
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const 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_add(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *r,
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const WOLFSSL_EC_POINT *p1,
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const WOLFSSL_EC_POINT *p2, 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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int wolfSSL_EC_POINT_invert(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *a,
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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 int wolfSSL_EC_POINT_copy(WOLFSSL_EC_POINT *dest,
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const WOLFSSL_EC_POINT *src);
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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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#ifndef HAVE_ECC
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#define OPENSSL_NO_EC
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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_dup wolfSSL_EC_KEY_dup
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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_KEY_check_key wolfSSL_EC_KEY_check_key
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#define ECDSA_size wolfSSL_ECDSA_size
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#define ECDSA_sign wolfSSL_ECDSA_sign
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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_dup wolfSSL_EC_GROUP_dup
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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_GROUP_order_bits wolfSSL_EC_GROUP_order_bits
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#define EC_GROUP_method_of wolfSSL_EC_GROUP_method_of
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#ifndef NO_WOLFSSL_STUB
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#define EC_GROUP_set_point_conversion_form(...)
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#endif
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#define EC_METHOD_get_field_type wolfSSL_EC_METHOD_get_field_type
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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_set_affine_coordinates_GFp \
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wolfSSL_EC_POINT_set_affine_coordinates_GFp
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#define EC_POINT_add wolfSSL_EC_POINT_add
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#define EC_POINT_mul wolfSSL_EC_POINT_mul
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#define EC_POINT_invert wolfSSL_EC_POINT_invert
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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_copy wolfSSL_EC_POINT_copy
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#define EC_POINT_is_at_infinity wolfSSL_EC_POINT_is_at_infinity
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#define EC_get_builtin_curves wolfSSL_EC_get_builtin_curves
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#define ECPoint_i2d wolfSSL_ECPoint_i2d
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#define ECPoint_d2i wolfSSL_ECPoint_d2i
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#define EC_POINT_point2oct wolfSSL_EC_POINT_point2oct
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#define EC_POINT_oct2point wolfSSL_EC_POINT_oct2point
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#define EC_POINT_point2bn wolfSSL_EC_POINT_point2bn
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#define EC_POINT_is_on_curve wolfSSL_EC_POINT_is_on_curve
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#define o2i_ECPublicKey wolfSSL_o2i_ECPublicKey
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#define i2o_ECPublicKey wolfSSL_i2o_ECPublicKey
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#define i2d_EC_PUBKEY wolfSSL_i2o_ECPublicKey
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#define d2i_ECPrivateKey wolfSSL_d2i_ECPrivateKey
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#define i2d_ECPrivateKey wolfSSL_i2d_ECPrivateKey
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#define EC_KEY_set_conv_form wolfSSL_EC_KEY_set_conv_form
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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_get_builtin_curves wolfSSL_EC_get_builtin_curves
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#define EC_curve_nid2nist wolfSSL_EC_curve_nid2nist
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#define EC_curve_nist2nid wolfSSL_EC_curve_nist2nid
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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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