1 /* 2 * Copyright (c) 2025 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 OHOS_DM_AUTH_ATTEST_COMMON_H 17 #define OHOS_DM_AUTH_ATTEST_COMMON_H 18 19 #include <stdint.h> 20 #include <string> 21 22 #include "dm_anonymous.h" 23 #include "dm_auth_manager_base.h" 24 #include "dm_cert.h" 25 #include "dm_crypto.h" 26 #include "dm_random.h" 27 #include "json_object.h" 28 29 namespace OHOS { 30 namespace DistributedHardware { 31 class AuthAttestCommon { 32 public: GetInstance(void)33 static AuthAttestCommon &GetInstance(void) 34 { 35 static AuthAttestCommon instance; 36 return instance; 37 } 38 39 std::string SerializeDmCertChain(const DmCertChain *chain); 40 bool DeserializeDmCertChain(const std::string &data, DmCertChain *outChain); 41 void FreeDmCertChain(DmCertChain &chain); 42 private: 43 AuthAttestCommon(); 44 ~AuthAttestCommon(); 45 }; 46 } // namespace DistributedHardware 47 } // namespace OHOS 48 #endif // OHOS_DM_AUTH_ATTEST_COMMON_H