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 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 HcfResult NewEcKeyPair(int32_t curveId, EC_KEY **returnEcKey);
27 void FreeCurveBigNum(BIGNUM *pStd, BIGNUM *bStd, BIGNUM *xStd, BIGNUM *yStd);
28 HcfResult GenerateEcGroupWithParamsSpec(const HcfEccCommParamsSpec *ecParams, EC_GROUP **ecGroup);
29 HcfResult SetEcKey(const HcfPoint *pubKey, const HcfBigInteger *priKey, EC_KEY *ecKey);
30 HcfResult GetCurveGFp(const EC_GROUP *group, const AsyKeySpecItem item, HcfBigInteger *returnBigInteger);
31 HcfResult GetGenerator(const EC_GROUP *group, const AsyKeySpecItem item, HcfBigInteger *returnBigInteger);
32 HcfResult GetOrder(const EC_GROUP *group, HcfBigInteger *returnBigInteger);
33 HcfResult GetCofactor(const EC_GROUP *group, int *returnCofactor);
34 HcfResult GetFieldSize(const EC_GROUP *group, int32_t *fieldSize);
35 HcfResult GetFieldType(const HcfKey *self, const bool isPrivate, char **returnString);
36 HcfResult GetPkSkBigInteger(const HcfKey *self, bool isPrivate,
37     const AsyKeySpecItem item, HcfBigInteger *returnBigInteger);
38 #ifdef __cplusplus
39 }
40 #endif
41 
42 #endif
43