1 // Copyright 2021 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 /////////////////////////////////////////////////////////////////////////////// 16 17 #ifndef TINK_HYBRID_INTERNAL_HPKE_ENCRYPT_H_ 18 #define TINK_HYBRID_INTERNAL_HPKE_ENCRYPT_H_ 19 20 #include <memory> 21 #include <string> 22 23 #include "tink/hybrid_encrypt.h" 24 #include "tink/util/statusor.h" 25 #include "proto/hpke.pb.h" 26 27 namespace crypto { 28 namespace tink { 29 30 class HpkeEncrypt : public HybridEncrypt { 31 public: 32 // Copyable and movable. 33 HpkeEncrypt(const HpkeEncrypt& other) = default; 34 HpkeEncrypt& operator=(const HpkeEncrypt& other) = default; 35 HpkeEncrypt(HpkeEncrypt&& other) = default; 36 HpkeEncrypt& operator=(HpkeEncrypt&& other) = default; 37 38 static crypto::tink::util::StatusOr<std::unique_ptr<HybridEncrypt>> New( 39 const google::crypto::tink::HpkePublicKey& recipient_public_key); 40 41 crypto::tink::util::StatusOr<std::string> Encrypt( 42 absl::string_view plaintext, 43 absl::string_view context_info) const override; 44 45 private: HpkeEncrypt(const google::crypto::tink::HpkePublicKey & recipient_public_key)46 explicit HpkeEncrypt( 47 const google::crypto::tink::HpkePublicKey& recipient_public_key) 48 : recipient_public_key_(recipient_public_key) {} 49 50 google::crypto::tink::HpkePublicKey recipient_public_key_; 51 }; 52 53 } // namespace tink 54 } // namespace crypto 55 56 #endif // TINK_HYBRID_INTERNAL_HPKE_ENCRYPT_H_ 57