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 STORAGE_DAEMON_CRYPTO_FSCRYPT_KEYV2_H 16 #define STORAGE_DAEMON_CRYPTO_FSCRYPT_KEYV2_H 17 18 #include "base_key.h" 19 #include "libfscrypt/key_control.h" 20 21 namespace OHOS { 22 namespace StorageDaemon { 23 // for openharmony kernel 5.10+, prefer using the the FSCRYPT_V2. 24 class FscryptKeyV2 final : public BaseKey { 25 public: 26 FscryptKeyV2() = delete; BaseKey(dir,keyLen)27 FscryptKeyV2(const std::string &dir, uint8_t keyLen = CRYPTO_AES_256_XTS_KEY_SIZE) : BaseKey(dir, keyLen) 28 { 29 keyInfo_.version = FSCRYPT_V2; 30 } 31 ~FscryptKeyV2() = default; 32 33 bool ActiveKey(uint32_t flag = 0, const std::string &mnt = MNT_DATA); 34 bool InactiveKey(uint32_t flag = 0, const std::string &mnt = MNT_DATA); 35 }; 36 } // namespace StorageDaemon 37 } // namespace OHOS 38 #endif // STORAGE_DAEMON_CRYPTO_FSCRYPT_KEYV2_H 39