| /****************************************************************************** |
| * |
| * Copyright 2019 Google, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| #include <base/logging.h> |
| #include <keystore/keystore_client_impl.h> |
| #include <mutex> |
| |
| #include "osi/include/alarm.h" |
| #include "osi/include/allocator.h" |
| #include "osi/include/compat.h" |
| #include "osi/include/config.h" |
| #include "osi/include/log.h" |
| #include "osi/include/osi.h" |
| #include "osi/include/properties.h" |
| |
| namespace bluetooth { |
| /** |
| * Client wrapper to access AndroidKeystore. |
| * |
| * <p>Use to encrypt/decrypt data and store to disk. |
| */ |
| class BtifKeystore { |
| public: |
| /** |
| * @param keystore_client injected pre-created client object for keystore |
| */ |
| BtifKeystore(keystore::KeystoreClient* keystore_client); |
| |
| /** |
| * Encrypts given data |
| * |
| * <p>Returns a string representation of the encrypted data |
| * |
| * @param data to be encrypted |
| * @param flags for keystore |
| */ |
| std::string Encrypt(const std::string& data, int32_t flags); |
| |
| /** |
| * Returns a decrypted string representation of the encrypted data or empty |
| * string on error. |
| * |
| * @param input encrypted data |
| */ |
| std::string Decrypt(const std::string& input_filename); |
| |
| /** |
| * Check for existence of keystore key. |
| * |
| * This key can be cleared if a user manually wipes bluetooth storage data |
| * b/133214365 |
| */ |
| bool DoesKeyExist(); |
| |
| private: |
| std::unique_ptr<keystore::KeystoreClient> keystore_client_; |
| std::mutex api_mutex_; |
| keystore::KeyStoreNativeReturnCode GenerateKey(const std::string& name, |
| int32_t flags, |
| bool auth_bound); |
| }; |
| |
| } // namespace bluetooth |