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_DP_SESSION_KEY_MANAGER_H 17 #define OHOS_DP_SESSION_KEY_MANAGER_H 18 19 #include <chrono> 20 #include <cstdint> 21 #include <random> 22 #include <string> 23 24 #include "distributed_device_profile_constants.h" 25 #include "single_instance.h" 26 27 namespace OHOS { 28 namespace DistributedDeviceProfile { 29 class SessionKeyManager { 30 DECLARE_SINGLE_INSTANCE(SessionKeyManager); 31 public: 32 int32_t PutSessionKey(uint32_t userId, const std::vector<uint8_t>& sessionKey, int32_t& sessionKeyId); 33 int32_t GetSessionKey(uint32_t userId, int32_t sessionKeyId, std::vector<uint8_t>& sessionKey); 34 int32_t UpdateSessionKey(uint32_t userId, int32_t sessionKeyId, const std::vector<uint8_t>& sessionKey); 35 int32_t DeleteSessionKey(uint32_t userId, int32_t sessionKeyId); 36 37 private: 38 void GeneratedSessionKeyId(uint32_t userId, int32_t& sessionKeyId); 39 }; 40 } // namespace DistributedDeviceProfile 41 } // namespace OHOS 42 #endif // OHOS_DP_SESSION_KEY_MANAGER_H 43