/*

 * Copyright (c) 2023 Huawei Device Co., Ltd.

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */



#ifndef CODE_SIGN_CERT_UTILS_H

#define CODE_SIGN_CERT_UTILS_H



#include <cstdint>



#include "byte_buffer.h"

#include "hks_type.h"



namespace OHOS {

namespace Security {

namespace CodeSign {

static const uint32_t CERT_COUNT = 4;



bool ConstructDataToCertChain(struct HksCertChain **certChain, int certsCount = CERT_COUNT);

void FreeCertChain(struct HksCertChain **certChain, const uint32_t pos);

bool FormattedCertChain(const HksCertChain *certChain, ByteBuffer &buffer);

bool GetCertChainFormBuffer(const ByteBuffer &certChainBuffer,

    ByteBuffer &signCert, ByteBuffer &issuer, std::vector<ByteBuffer> &chain);

int32_t VerifyAttestCertChain(const HksCertChain *certChain, const ByteBuffer &challenge);

bool GetSigningCertFromCerChain(const HksCertChain *certChain, ByteBuffer cert);

std::unique_ptr<ByteBuffer> GetRandomChallenge();

bool CheckChallengeSize(uint32_t size);

}

}

}



#endif