1 /* 2 * Copyright (c) 2024-2024 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 SIGNATRUETOOLS_FS_VERITY_INFO_SEGMENT_H 16 #define SIGNATRUETOOLS_FS_VERITY_INFO_SEGMENT_H 17 18 #include <vector> 19 #include <string> 20 21 #include "signature_tools_log.h" 22 #include "fs_verity_descriptor.h" 23 #include "fs_verity_generator.h" 24 25 namespace OHOS { 26 namespace SignatureTools { 27 28 class FsVerityInfoSegment { 29 public: 30 static constexpr int FS_VERITY_INFO_SEGMENT_SIZE = 64; 31 FsVerityInfoSegment(); 32 FsVerityInfoSegment(int8_t version, int8_t hashAlgorithm, int8_t log2BlockSize); 33 FsVerityInfoSegment(int magic, int8_t version, int8_t hashAlgorithm, 34 int8_t log2BlockSize, const std::vector<int8_t>& reserved); 35 virtual ~FsVerityInfoSegment(); 36 virtual int Size(); 37 virtual void ToByteArray(std::vector<int8_t>& ret); 38 static FsVerityInfoSegment FromByteArray(const std::vector<int8_t>& bytes); 39 40 private: 41 static constexpr int MAGIC = static_cast<int>((0x1E38 << 16) + (0x31AB));; 42 static constexpr int RESERVED_BYTE_ARRAY_LENGTH = 57; 43 int magic = MAGIC; 44 int8_t hashAlgorithm = 0; 45 int8_t version = 0; 46 int8_t log2BlockSize = 0; 47 std::vector<int8_t> reserved; 48 }; 49 } // namespace SignatureTools 50 } // namespace OHOS 51 #endif // SIGNATRUETOOLS_FS_VERITY_INFO_SEGMENT_H 52