| // Copyright 2017 Google Inc. |
| // |
| // 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_HYBRID_HYBRID_ENCRYPT_SET_WRAPPER_H_ |
| #define TINK_HYBRID_HYBRID_ENCRYPT_SET_WRAPPER_H_ |
| |
| #include "absl/strings/string_view.h" |
| #include "tink/hybrid_encrypt.h" |
| #include "tink/primitive_set.h" |
| #include "tink/util/statusor.h" |
| #include "proto/tink.pb.h" |
| |
| namespace crypto { |
| namespace tink { |
| |
| // Wraps a set of HybridEncrypt-instances that correspond to a keyset, |
| // and combines them into a single HybridEncrypt-primitive, that uses |
| // the primary instance to do the actual encryption. |
| class HybridEncryptSetWrapper : public HybridEncrypt { |
| public: |
| // Returns an HybridEncrypt-primitive that uses the primary |
| // HybridEncrypt-instance provided in 'hybrid_encrypt_set', |
| // which must be non-NULL (and must contain a primary instance). |
| static crypto::tink::util::StatusOr<std::unique_ptr<HybridEncrypt>> |
| NewHybridEncrypt( |
| std::unique_ptr<PrimitiveSet<HybridEncrypt>> hybrid_encrypt_set); |
| |
| crypto::tink::util::StatusOr<std::string> Encrypt( |
| absl::string_view plaintext, |
| absl::string_view context_info) const override; |
| |
| virtual ~HybridEncryptSetWrapper() {} |
| |
| private: |
| std::unique_ptr<PrimitiveSet<HybridEncrypt>> hybrid_encrypt_set_; |
| |
| HybridEncryptSetWrapper( |
| std::unique_ptr<PrimitiveSet<HybridEncrypt>> hybrid_encrypt_set) |
| : hybrid_encrypt_set_(std::move(hybrid_encrypt_set)) {} |
| }; |
| |
| } // namespace tink |
| } // namespace crypto |
| |
| #endif // TINK_HYBRID_HYBRID_ENCRYPT_SET_WRAPPER_H_ |