| /* |
| * Copyright 2015 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_SOFT_KEYMASTER_CONTEXT_H_ |
| #define SYSTEM_KEYMASTER_SOFT_KEYMASTER_CONTEXT_H_ |
| |
| #include <memory> |
| |
| #include <hardware/keymaster0.h> |
| #include <keymaster/keymaster_context.h> |
| |
| namespace keymaster { |
| |
| class SoftKeymasterKeyRegistrations; |
| class Keymaster0Engine; |
| |
| /** |
| * SoftKeymasterContext provides the context for a non-secure implementation of AndroidKeymaster. |
| */ |
| class SoftKeymasterContext : public KeymasterContext { |
| public: |
| SoftKeymasterContext(keymaster0_device_t* keymaster0_device); |
| |
| keymaster_error_t CreateKeyBlob(const AuthorizationSet& auths, keymaster_key_origin_t origin, |
| const KeymasterKeyBlob& key_material, KeymasterKeyBlob* blob, |
| AuthorizationSet* hw_enforced, |
| AuthorizationSet* sw_enforced) const override; |
| |
| keymaster_error_t ParseKeyBlob(const KeymasterKeyBlob& blob, |
| const AuthorizationSet& additional_params, |
| KeymasterKeyBlob* key_material, AuthorizationSet* hw_enforced, |
| AuthorizationSet* sw_enforced) const override; |
| keymaster_error_t AddRngEntropy(const uint8_t* buf, size_t length) const override; |
| keymaster_error_t GenerateRandom(uint8_t* buf, size_t length) const override; |
| |
| private: |
| std::unique_ptr<Keymaster0Engine> engine_; |
| std::unique_ptr<SoftKeymasterKeyRegistrations> registrations_; |
| }; |
| |
| } // namespace keymaster |
| |
| #endif // SYSTEM_KEYMASTER_SOFT_KEYMASTER_CONTEXT_H_ |