| // 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_SUBTLE_AES_GCM_BORINGSSL_H_ |
| #define TINK_SUBTLE_AES_GCM_BORINGSSL_H_ |
| |
| #include <memory> |
| |
| #include "absl/strings/string_view.h" |
| #include "tink/aead.h" |
| #include "tink/util/status.h" |
| #include "tink/util/statusor.h" |
| #include "openssl/aead.h" |
| |
| namespace crypto { |
| namespace tink { |
| namespace subtle { |
| |
| class AesGcmBoringSsl : public Aead { |
| public: |
| static crypto::tink::util::StatusOr<std::unique_ptr<Aead>> New( |
| absl::string_view key_value); |
| |
| crypto::tink::util::StatusOr<std::string> Encrypt( |
| absl::string_view plaintext, |
| absl::string_view additional_data) const override; |
| |
| crypto::tink::util::StatusOr<std::string> Decrypt( |
| absl::string_view ciphertext, |
| absl::string_view additional_data) const override; |
| |
| virtual ~AesGcmBoringSsl() {} |
| |
| private: |
| static const int IV_SIZE_IN_BYTES = 12; |
| static const int TAG_SIZE_IN_BYTES = 16; |
| |
| AesGcmBoringSsl() {} |
| crypto::tink::util::Status Init(absl::string_view key_value); |
| |
| bssl::ScopedEVP_AEAD_CTX ctx_; |
| }; |
| |
| } // namespace subtle |
| } // namespace tink |
| } // namespace crypto |
| |
| #endif // TINK_SUBTLE_AES_GCM_BORINGSSL_H_ |