/* ec.h * * Copyright (C) 2006-2020 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 OpenSSL NIDs. NIDs can be mapped to ecc_curve_id enum values by calling NIDToEccEnum() in ssl.c */ NID_X9_62_prime192v1 = 409, NID_X9_62_prime192v2 = 410, NID_X9_62_prime192v3 = 411, NID_X9_62_prime239v1 = 412, NID_X9_62_prime239v2 = 413, NID_X9_62_prime239v3 = 414, NID_X9_62_prime256v1 = 415, NID_secp112r1 = 704, NID_secp112r2 = 705, NID_secp128r1 = 706, NID_secp128r2 = 707, NID_secp160r1 = 709, NID_secp160r2 = 710, NID_secp224r1 = 713, NID_secp384r1 = 715, NID_secp521r1 = 716, NID_secp160k1 = 708, NID_secp192k1 = 711, NID_secp224k1 = 712, NID_secp256k1 = 714, NID_brainpoolP160r1 = 921, NID_brainpoolP192r1 = 923, NID_brainpoolP224r1 = 925, NID_brainpoolP256r1 = 927, NID_brainpoolP320r1 = 929, NID_brainpoolP384r1 = 931, NID_brainpoolP512r1 = 933, #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; typedef struct WOLFSSL_EC_BUILTIN_CURVE WOLFSSL_EC_BUILTIN_CURVE; /* WOLFSSL_EC_METHOD is just an alias of WOLFSSL_EC_GROUP for now */ typedef struct WOLFSSL_EC_GROUP WOLFSSL_EC_METHOD; #define WOLFSSL_EC_TYPE_DEFINED #endif typedef WOLFSSL_EC_KEY EC_KEY; typedef WOLFSSL_EC_GROUP EC_GROUP; typedef WOLFSSL_EC_GROUP EC_METHOD; typedef WOLFSSL_EC_POINT EC_POINT; typedef WOLFSSL_EC_BUILTIN_CURVE EC_builtin_curve; 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 ? */ char form; /* Either POINT_CONVERSION_UNCOMPRESSED or * POINT_CONVERSION_COMPRESSED */ }; struct WOLFSSL_EC_BUILTIN_CURVE { int nid; const char *comment; }; #define WOLFSSL_EC_KEY_LOAD_PRIVATE 1 #define WOLFSSL_EC_KEY_LOAD_PUBLIC 2 WOLFSSL_API size_t wolfSSL_EC_get_builtin_curves(WOLFSSL_EC_BUILTIN_CURVE *r,size_t nitems); WOLFSSL_API WOLFSSL_EC_KEY *wolfSSL_EC_KEY_dup(const WOLFSSL_EC_KEY *src); 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 size_t wolfSSL_EC_POINT_point2oct(const WOLFSSL_EC_GROUP *group, const WOLFSSL_EC_POINT *p, char form, byte *buf, size_t len, WOLFSSL_BN_CTX *ctx); WOLFSSL_API int wolfSSL_EC_POINT_oct2point(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *p, const unsigned char *buf, size_t len, WOLFSSL_BN_CTX *ctx); WOLFSSL_API int wolfSSL_i2o_ECPublicKey(const WOLFSSL_EC_KEY *in, unsigned char **out); WOLFSSL_API WOLFSSL_EC_KEY *wolfSSL_d2i_ECPrivateKey(WOLFSSL_EC_KEY **key, const unsigned char **in, long len); WOLFSSL_API int wolfSSL_i2d_ECPrivateKey(const WOLFSSL_EC_KEY *in, unsigned char **out); WOLFSSL_API void wolfSSL_EC_KEY_set_conv_form(WOLFSSL_EC_KEY *eckey, char form); WOLFSSL_API WOLFSSL_BIGNUM *wolfSSL_EC_POINT_point2bn(const WOLFSSL_EC_GROUP *group, const WOLFSSL_EC_POINT *p, char form, WOLFSSL_BIGNUM *in, WOLFSSL_BN_CTX *ctx); WOLFSSL_API int wolfSSL_EC_POINT_is_on_curve(const WOLFSSL_EC_GROUP *group, const WOLFSSL_EC_POINT *point, WOLFSSL_BN_CTX *ctx); 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 int wolfSSL_ECDSA_size(const WOLFSSL_EC_KEY *key); WOLFSSL_API int wolfSSL_ECDSA_sign(int type, const unsigned char *digest, int digestSz, unsigned char *sig, unsigned int *sigSz, WOLFSSL_EC_KEY *key); 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 WOLFSSL_EC_GROUP *wolfSSL_EC_GROUP_dup(const WOLFSSL_EC_GROUP *src); 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 const WOLFSSL_EC_METHOD* wolfSSL_EC_GROUP_method_of( const WOLFSSL_EC_GROUP *group); WOLFSSL_API int wolfSSL_EC_METHOD_get_field_type(const WOLFSSL_EC_METHOD *meth); 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_set_affine_coordinates_GFp(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *point, const WOLFSSL_BIGNUM *x, const WOLFSSL_BIGNUM *y, WOLFSSL_BN_CTX *ctx); WOLFSSL_API int wolfSSL_EC_POINT_add(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *r, const WOLFSSL_EC_POINT *p1, const WOLFSSL_EC_POINT *p2, 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 int wolfSSL_EC_POINT_invert(const WOLFSSL_EC_GROUP *group, WOLFSSL_EC_POINT *a, 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 int wolfSSL_EC_POINT_copy(WOLFSSL_EC_POINT *dest, const WOLFSSL_EC_POINT *src); 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); #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_dup wolfSSL_EC_KEY_dup #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 ECDSA_size wolfSSL_ECDSA_size #define ECDSA_sign wolfSSL_ECDSA_sign #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_dup wolfSSL_EC_GROUP_dup #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_GROUP_method_of wolfSSL_EC_GROUP_method_of #define EC_METHOD_get_field_type wolfSSL_EC_METHOD_get_field_type #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_set_affine_coordinates_GFp \ wolfSSL_EC_POINT_set_affine_coordinates_GFp #define EC_POINT_add wolfSSL_EC_POINT_add #define EC_POINT_mul wolfSSL_EC_POINT_mul #define EC_POINT_invert wolfSSL_EC_POINT_invert #define EC_POINT_clear_free wolfSSL_EC_POINT_clear_free #define EC_POINT_cmp wolfSSL_EC_POINT_cmp #define EC_POINT_copy wolfSSL_EC_POINT_copy #define EC_POINT_is_at_infinity wolfSSL_EC_POINT_is_at_infinity #define EC_get_builtin_curves wolfSSL_EC_get_builtin_curves #define ECPoint_i2d wolfSSL_ECPoint_i2d #define ECPoint_d2i wolfSSL_ECPoint_d2i #define EC_POINT_point2oct wolfSSL_EC_POINT_point2oct #define EC_POINT_oct2point wolfSSL_EC_POINT_oct2point #define EC_POINT_point2bn wolfSSL_EC_POINT_point2bn #define EC_POINT_is_on_curve wolfSSL_EC_POINT_is_on_curve #define i2o_ECPublicKey wolfSSL_i2o_ECPublicKey #define i2d_EC_PUBKEY wolfSSL_i2o_ECPublicKey #define d2i_ECPrivateKey wolfSSL_d2i_ECPrivateKey #define i2d_ECPrivateKey wolfSSL_i2d_ECPrivateKey #define EC_KEY_set_conv_form wolfSSL_EC_KEY_set_conv_form #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 */