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