1 // 2 // Copyright (C) 2011 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef SHILL_CRYPTO_INTERFACE_H_ 18 #define SHILL_CRYPTO_INTERFACE_H_ 19 20 #include <string> 21 22 namespace shill { 23 24 // An interface to an encryption/decryption module. 25 class CryptoInterface { 26 public: ~CryptoInterface()27 virtual ~CryptoInterface() {} 28 29 // Returns a unique identifier for this crypto module. 30 virtual std::string GetID() = 0; 31 32 // Encrypts |plaintext| into |ciphertext|. Returns true on success. 33 virtual bool Encrypt(const std::string& plaintext, 34 std::string* ciphertext) = 0; 35 36 // Decrypts |ciphertext| into |plaintext|. Returns true on success. 37 virtual bool Decrypt(const std::string& ciphertext, 38 std::string* plaintext) = 0; 39 }; 40 41 } // namespace shill 42 43 #endif // SHILL_CRYPTO_INTERFACE_H_ 44