1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <string> 20 21 #include <fs_avb/types.h> 22 #include <fstab/fstab.h> 23 #include <libavb/libavb.h> 24 25 namespace android { 26 namespace fs_mgr { 27 28 // Given a FstabEntry, loads and verifies the vbmeta. 29 std::unique_ptr<VBMetaData> LoadAndVerifyVbmeta(const FstabEntry& fstab_entry, 30 const std::string& expected_public_key_blob, 31 std::string* out_public_key_data, 32 std::string* out_avb_partition_name, 33 VBMetaVerifyResult* out_verify_result); 34 35 // Loads the single vbmeta from a given path. 36 std::unique_ptr<VBMetaData> LoadAndVerifyVbmetaByPath( 37 const std::string& image_path, const std::string& partition_name, 38 const std::string& expected_public_key_blob, bool allow_verification_error, 39 bool rollback_protection, bool is_chained_vbmeta, std::string* out_public_key_data, 40 bool* out_verification_disabled, VBMetaVerifyResult* out_verify_result); 41 42 // Gets the hashtree descriptor for avb_partition_name from the vbmeta. 43 std::unique_ptr<FsAvbHashtreeDescriptor> GetHashtreeDescriptor( 44 const std::string& avb_partition_name, VBMetaData&& vbmeta); 45 46 // Gets the hash descriptor for avb_partition_name from the vbmeta. 47 std::unique_ptr<FsAvbHashDescriptor> GetHashDescriptor(const std::string& avb_partition_name, 48 VBMetaData&& vbmeta); 49 50 } // namespace fs_mgr 51 } // namespace android 52