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
22namespace shill {
23
24// An interface to an encryption/decryption module.
25class CryptoInterface {
26 public:
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