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 CODE_SIGN_CERT_UTILS_H
17 #define CODE_SIGN_CERT_UTILS_H
18 
19 #include <cstdint>
20 
21 #include "byte_buffer.h"
22 #include "hks_type.h"
23 
24 namespace OHOS {
25 namespace Security {
26 namespace CodeSign {
27 static const uint32_t CERT_COUNT = 4;
28 
29 bool ConstructDataToCertChain(struct HksCertChain **certChain, int certsCount = CERT_COUNT);
30 void FreeCertChain(struct HksCertChain **certChain, const uint32_t pos);
31 bool FormattedCertChain(const HksCertChain *certChain, ByteBuffer &buffer);
32 bool GetCertChainFormBuffer(const ByteBuffer &certChainBuffer,
33     ByteBuffer &signCert, ByteBuffer &issuer, std::vector<ByteBuffer> &chain);
34 int32_t VerifyAttestCertChain(const HksCertChain *certChain, const ByteBuffer &challenge);
35 bool GetSigningCertFromCerChain(const HksCertChain *certChain, ByteBuffer cert);
36 std::unique_ptr<ByteBuffer> GetRandomChallenge();
37 bool CheckChallengeSize(uint32_t size);
38 }
39 }
40 }
41 
42 #endif