1 // Copyright 2017 Google Inc. 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_KEYSET_READER_H_ 18 #define TINK_KEYSET_READER_H_ 19 20 #include <memory> 21 22 #include "tink/util/statusor.h" 23 #include "proto/tink.pb.h" 24 25 namespace crypto { 26 namespace tink { 27 28 // KeysetReader knows how to read a Keyset or an EncryptedKeyset 29 // from some source. 30 class KeysetReader { 31 public: 32 // Reads and returns a (cleartext) Keyset object from the underlying source. 33 virtual crypto::tink::util::StatusOr< 34 std::unique_ptr<google::crypto::tink::Keyset>> 35 Read() = 0; 36 37 // Reads and returns an EncryptedKeyset object from the underlying source. 38 virtual crypto::tink::util::StatusOr< 39 std::unique_ptr<google::crypto::tink::EncryptedKeyset>> 40 ReadEncrypted() = 0; 41 42 virtual ~KeysetReader() = default; 43 }; 44 45 } // namespace tink 46 } // namespace crypto 47 48 #endif // TINK_KEYSET_READER_H_ 49