1 /* 2 * Copyright (c) 2022 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 #ifndef FRAMEWORK_CONSTANT_COMMON_H 16 #define FRAMEWORK_CONSTANT_COMMON_H 17 18 #include <algorithm> 19 #include <iosfwd> 20 #include "access_token.h" 21 22 namespace OHOS { 23 namespace Security { 24 namespace AccessToken { 25 class ConstantCommon { 26 public: 27 /** 28 * Device id length. 29 */ 30 const static int32_t DEVICE_UUID_LENGTH = 65; 31 static constexpr int32_t MINDEVICEIDLEN = 8; 32 static constexpr int32_t ENCRYPTLEN = 4; 33 static constexpr int32_t ENCRYPTBEGIN = 0; 34 static constexpr int32_t ENCRYPTEND = 3; 35 static std::string EncryptDevId(std::string deviceId); 36 37 /** 38 * GetLocalDeviceId 39 */ 40 static std::string GetLocalDeviceId(); 41 42 /** 43 * Flag operate 44 */ 45 static bool IsPermOperatedByUser(int32_t flag); 46 static bool IsPermOperatedBySystem(int32_t flag); 47 static bool IsPermGrantedBySecComp(int32_t flag); 48 static uint32_t GetFlagWithoutSpecifiedElement(uint32_t fullFlag, uint32_t removedFlag); 49 }; 50 } 51 } 52 } 53 #endif