| /* |
| * Copyright 2014 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #ifndef SYSTEM_KEYMASTER_KEY_H_ |
| #define SYSTEM_KEYMASTER_KEY_H_ |
| |
| #include <keymaster/authorization_set.h> |
| #include <keymaster/keymaster_defs.h> |
| #include <keymaster/logger.h> |
| |
| namespace keymaster { |
| |
| class KeyBlob; |
| class Operation; |
| |
| class Key { |
| public: |
| static Key* CreateKey(const KeyBlob& blob, const Logger& logger, keymaster_error_t* error); |
| static Key* GenerateKey(const AuthorizationSet& key_description, const Logger& logger, |
| keymaster_error_t* error); |
| static Key* ImportKey(const AuthorizationSet& key_description, |
| keymaster_key_format_t key_format, const uint8_t* key_data, |
| size_t key_data_length, const Logger& logger, keymaster_error_t* error); |
| |
| virtual ~Key() {} |
| virtual Operation* CreateOperation(keymaster_purpose_t purpose, keymaster_error_t* error) = 0; |
| |
| /** |
| * Return a copy of raw key material, in the key's preferred binary format. |
| */ |
| virtual keymaster_error_t key_material(UniquePtr<uint8_t[]>*, size_t* size) const = 0; |
| |
| /** |
| * Return a copy of raw key material, in the specified format. |
| */ |
| virtual keymaster_error_t formatted_key_material(keymaster_key_format_t format, |
| UniquePtr<uint8_t[]>* material, |
| size_t* size) const = 0; |
| |
| const AuthorizationSet& authorizations() const { return authorizations_; } |
| |
| protected: |
| Key(const KeyBlob& blob, const Logger& logger); |
| Key(const AuthorizationSet& authorizations, const Logger& logger) |
| : logger_(logger), authorizations_(authorizations) {} |
| |
| const Logger& logger_; |
| |
| private: |
| AuthorizationSet authorizations_; |
| }; |
| |
| } // namespace keymaster |
| |
| #endif // SYSTEM_KEYMASTER_KEY_H_ |