1 /* 2 * Copyright (C) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef HCF_ECC_OPENSSL_COMMON_H 17 #define HCF_ECC_OPENSSL_COMMON_H 18 19 #include "detailed_ecc_key_params.h" 20 #include "openssl_class.h" 21 #include "openssl_common.h" 22 23 HcfResult NewEcKeyPair(int32_t curveId, EC_KEY **returnEcKey); 24 void FreeCurveBigNum(BIGNUM *pStd, BIGNUM *bStd, BIGNUM *xStd, BIGNUM *yStd); 25 HcfResult GenerateEcGroupWithParamsSpec(const HcfEccCommParamsSpec *ecParams, EC_GROUP **ecGroup); 26 HcfResult SetEcKey(const HcfPoint *pubKey, const HcfBigInteger *priKey, EC_KEY *ecKey); 27 HcfResult GetCurveGFp(const EC_GROUP *group, const AsyKeySpecItem item, HcfBigInteger *returnBigInteger); 28 HcfResult GetGenerator(const EC_GROUP *group, const AsyKeySpecItem item, HcfBigInteger *returnBigInteger); 29 HcfResult GetOrder(const EC_GROUP *group, HcfBigInteger *returnBigInteger); 30 HcfResult GetCofactor(const EC_GROUP *group, int *returnCofactor); 31 HcfResult GetFieldSize(const EC_GROUP *group, int32_t *fieldSize); 32 HcfResult GetFieldType(const HcfKey *self, const bool isPrivate, char **returnString); 33 HcfResult GetPkSkBigInteger(const HcfKey *self, bool isPrivate, 34 const AsyKeySpecItem item, HcfBigInteger *returnBigInteger); 35 #endif 36