1 /* 2 * Copyright 2015 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 #ifndef SYSTEM_KEYMASTER_ASYMMETRIC_KEY_FACTORY_H_ 18 #define SYSTEM_KEYMASTER_ASYMMETRIC_KEY_FACTORY_H_ 19 20 #include <keymaster/key_factory.h> 21 22 namespace keymaster { 23 24 /** 25 * Abstract base for KeyFactories that handle asymmetric keys. 26 */ 27 class AsymmetricKey; 28 class AsymmetricKeyFactory : public KeyFactory { 29 public: 30 AsymmetricKeyFactory(const KeymasterContext* context) : KeyFactory(context) {} 31 32 keymaster_error_t LoadKey(const KeymasterKeyBlob& key_material, 33 const AuthorizationSet& additional_params, 34 const AuthorizationSet& hw_enforced, 35 const AuthorizationSet& sw_enforced, 36 UniquePtr<Key>* key) const override; 37 38 virtual keymaster_error_t CreateEmptyKey(const AuthorizationSet& hw_enforced, 39 const AuthorizationSet& sw_enforced, 40 UniquePtr<AsymmetricKey>* key) const = 0; 41 42 virtual keymaster_algorithm_t keymaster_key_type() const = 0; 43 virtual int evp_key_type() const = 0; 44 45 virtual const keymaster_key_format_t* SupportedImportFormats(size_t* format_count) const; 46 virtual const keymaster_key_format_t* SupportedExportFormats(size_t* format_count) const; 47 }; 48 49 } // namespace keymaster 50 51 #endif // SYSTEM_KEYMASTER_ASYMMETRIC_KEY_FACTORY_H_ 52
