| /* |
| * 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_RSA_KEYMASTER1_KEY_H_ |
| #define SYSTEM_KEYMASTER_RSA_KEYMASTER1_KEY_H_ |
| |
| #include <openssl/rsa.h> |
| |
| #include <keymaster/rsa_key_factory.h> |
| |
| #include "keymaster1_engine.h" |
| #include "rsa_key.h" |
| |
| namespace keymaster { |
| |
| class SoftKeymasterContext; |
| |
| /** |
| * RsaKeymaster1KeyFactory is a KeyFactory that creates and loads keys which are actually backed by |
| * a hardware keymaster1 module, but which does not support all keymaster1 digests. If unsupported |
| * digests are found during generation or import, KM_DIGEST_NONE is added to the key description, |
| * then the operations handle the unsupported digests in software. |
| * |
| * If unsupported digests are requested and KM_PAD_RSA_PSS or KM_PAD_RSA_OAEP is also requested, but |
| * KM_PAD_NONE is not present KM_PAD_NONE will be added to the description, to allow for |
| * software padding as well as software digesting. |
| */ |
| class RsaKeymaster1KeyFactory : public RsaKeyFactory { |
| public: |
| RsaKeymaster1KeyFactory(const SoftKeymasterContext* context, const Keymaster1Engine* engine); |
| |
| keymaster_error_t GenerateKey(const AuthorizationSet& key_description, |
| KeymasterKeyBlob* key_blob, AuthorizationSet* hw_enforced, |
| AuthorizationSet* sw_enforced) const override; |
| |
| keymaster_error_t ImportKey(const AuthorizationSet& key_description, |
| keymaster_key_format_t input_key_material_format, |
| const KeymasterKeyBlob& input_key_material, |
| KeymasterKeyBlob* output_key_blob, AuthorizationSet* hw_enforced, |
| AuthorizationSet* sw_enforced) const override; |
| |
| keymaster_error_t LoadKey(const KeymasterKeyBlob& key_material, |
| const AuthorizationSet& additional_params, |
| const AuthorizationSet& hw_enforced, |
| const AuthorizationSet& sw_enforced, |
| UniquePtr<Key>* key) const override; |
| |
| OperationFactory* GetOperationFactory(keymaster_purpose_t purpose) const override; |
| |
| private: |
| const Keymaster1Engine* engine_; |
| |
| std::unique_ptr<OperationFactory> sign_factory_; |
| std::unique_ptr<OperationFactory> decrypt_factory_; |
| std::unique_ptr<OperationFactory> verify_factory_; |
| std::unique_ptr<OperationFactory> encrypt_factory_; |
| }; |
| |
| class RsaKeymaster1Key : public RsaKey { |
| public: |
| RsaKeymaster1Key(RSA* rsa_key, const AuthorizationSet& hw_enforced, |
| const AuthorizationSet& sw_enforced, const Keymaster1Engine* engine, |
| keymaster_error_t* error); |
| |
| private: |
| const Keymaster1Engine* engine_; |
| }; |
| |
| } // namespace keymaster |
| |
| #endif // SYSTEM_KEYMASTER_RSA_KEYMASTER1_KEY_H_ |