| // Copyright 2019 Google LLC |
| // |
| // 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 TINK_CORE_PRIVATE_KEY_TYPE_MANAGER_H_ |
| #define TINK_CORE_PRIVATE_KEY_TYPE_MANAGER_H_ |
| |
| #include <memory> |
| |
| #include "tink/core/key_type_manager.h" |
| #include "tink/util/statusor.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| template <typename KeyProto, typename KeyFormatProto, typename PublicKeyProto, |
| typename... Primitives> |
| class PrivateKeyTypeManager; |
| |
| // A PrivateKeyTypeManager is an extension of KeyTypeManager. One |
| // should implement this in case there is a public key corresponding to the |
| // private key managed by this manager. |
| // Hence, in addition to the tasks a KeyTypeManager does, in order to |
| // implement a PrivateKeyTypeManager one needs to provide a function |
| // StatusOr<PublicKeyProto> GetPublicKey(const KeyProto& private_key) const = 0; |
| template <typename KeyProto, typename KeyFormatProto, typename PublicKeyProto, |
| typename... Primitives> |
| class PrivateKeyTypeManager<KeyProto, KeyFormatProto, PublicKeyProto, |
| List<Primitives...>> |
| : public KeyTypeManager<KeyProto, KeyFormatProto, List<Primitives...>> { |
| public: |
| explicit PrivateKeyTypeManager( |
| std::unique_ptr<typename KeyTypeManager<KeyProto, KeyFormatProto, |
| List<Primitives...>>:: |
| template PrimitiveFactory<Primitives>>... primitives) |
| : KeyTypeManager<KeyProto, KeyFormatProto, List<Primitives...>>( |
| std::move(primitives)...) {} |
| |
| virtual crypto::tink::util::StatusOr<PublicKeyProto> GetPublicKey( |
| const KeyProto& private_key) const = 0; |
| }; |
| |
| } // namespace tink |
| } // namespace crypto |
| |
| #endif // TINK_CORE_PRIVATE_KEY_TYPE_MANAGER_H_ |