1 // Copyright 2015 The Android Open Source Project 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 #ifndef BUFFET_KEYSTORE_ENCRYPTOR_H_ 16 #define BUFFET_KEYSTORE_ENCRYPTOR_H_ 17 18 #include "buffet/encryptor.h" 19 20 #include <memory> 21 22 #include <keystore/keystore_client.h> 23 24 namespace buffet { 25 26 // An Encryptor implementation backed by Brillo Keystore. This class is intended 27 // to be the default encryptor on platforms that support it. An implementation 28 // of Encryptor::CreateDefaultEncryptor is provided for this class. 29 class KeystoreEncryptor : public Encryptor { 30 public: 31 explicit KeystoreEncryptor( 32 std::unique_ptr<keystore::KeystoreClient> keystore); 33 ~KeystoreEncryptor() override = default; 34 35 bool EncryptWithAuthentication(const std::string& plaintext, 36 std::string* ciphertext) override; 37 bool DecryptWithAuthentication(const std::string& ciphertext, 38 std::string* plaintext) override; 39 40 private: 41 std::unique_ptr<keystore::KeystoreClient> keystore_; 42 }; 43 44 } // namespace buffet 45 46 #endif // BUFFET_KEYSTORE_ENCRYPTOR_H_ 47
