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 16 #ifndef SIGNATRUETOOLS_VERIFY_ELF_H 17 #define SIGNATRUETOOLS_VERIFY_ELF_H 18 19 #include <string> 20 #include <vector> 21 22 #include "options.h" 23 #include "block_data.h" 24 #include "signing_block.h" 25 #include "pkcs7_context.h" 26 #include "sign_block_info.h" 27 28 namespace OHOS { 29 namespace SignatureTools { 30 class VerifyElf { 31 public: 32 static const int8_t SIGNATURE_BLOCK; 33 static const int8_t PROFILE_NOSIGNED_BLOCK; 34 static const int8_t PROFILE_SIGNED_BLOCK; 35 static const int8_t KEY_ROTATION_BLOCK; 36 static const int8_t CODESIGNING_BLOCK_TYPE; 37 38 public: 39 bool Verify(Options* options); 40 static bool CheckParams(Options* options); 41 static bool CheckSignFile(const std::string& signedFile); 42 static bool GetSignBlockData(std::vector<int8_t>& bytes, BlockData& blockData, 43 const std::string fileType); 44 static bool GetSignBlockInfo(const std::string& file, SignBlockInfo& signBlockInfo, 45 const std::string fileType); 46 static bool GetFileDigest(std::vector<int8_t>& fileBytes, const std::vector<int8_t>& signatrue, 47 SignBlockInfo& signBlockInfo); 48 static bool GetRawContent(const std::vector<int8_t>& contentVec, std::string& rawContent); 49 static bool VerifyP7b(std::unordered_map<int8_t, SigningBlock>& signBlockMap, Options* options, 50 Pkcs7Context& pkcs7Context, std::vector<int8_t>& profileVec, std::string& profileJson); 51 52 private: 53 bool VerifyElfFile(const std::string& elfFile, std::vector<int8_t>& profileVec, 54 Options* options, Pkcs7Context& pkcs7Context); 55 static bool CheckMagicAndVersion(std::vector<int8_t>& bytes, int64_t& offset, 56 const std::string fileType); 57 static void GetElfSignBlock(std::vector<int8_t>& bytes, BlockData& blockData, 58 std::unordered_map<int8_t, SigningBlock>& signBlockMap); 59 static void GetBinSignBlock(std::vector<int8_t>& bytes, BlockData& blockData, 60 std::unordered_map<int8_t, SigningBlock>& signBlockMap); 61 static bool GenerateFileDigest(std::vector<int8_t>& fileBytes, SignBlockInfo& signBlockInfo); 62 }; 63 } // namespace SignatureTools 64 } // namespace OHOS 65 #endif