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_CERT_H 17 #define OHOS_DM_AUTH_CERT_H 18 19 #include <dlfcn.h> 20 21 #include "dm_cert.h" 22 #include "i_dm_auth_cert_ext.h" 23 #if defined(__LITEOS_M__) 24 #include "dm_mutex.h" 25 #else 26 #include <mutex> 27 #endif 28 29 namespace OHOS { 30 namespace DistributedHardware { 31 class AuthCert { 32 public: GetInstance(void)33 static AuthCert &GetInstance(void) 34 { 35 static AuthCert instance; 36 return instance; 37 } 38 39 int32_t GenerateCertificate(DmCertChain &dmCertChain); 40 int32_t VerifyCertificate(const DmCertChain &dmCertChain, const char *deviceIdHash); 41 int32_t GenerateCertificateV2(DmCertChain &dmCertChain, const uint64_t random); 42 int32_t VerifyCertificateV2(const DmCertChain &dmCertChain, const char *deviceIdHash, const uint64_t random); 43 44 private: 45 AuthCert(); 46 ~AuthCert(); 47 bool IsDMAdapterAuthCertLoaded(); 48 49 bool isAdapterAuthCertSoLoaded_ = false; 50 void *authCertSoHandle_ = nullptr; 51 std::mutex isAdapterAuthCertLoadedLock_; 52 std::shared_ptr<IDMAuthCertExt> dmAuthCertExt_; 53 }; 54 } // namespace DistributedHardware 55 } // namespace OHOS 56 57 #endif // OHOS_DM_AUTH_CERT_H