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// Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SHILL_CRYPTO_DES_CBC_H_
#define SHILL_CRYPTO_DES_CBC_H_
#include <string>
#include <vector>
#include <base/macros.h>
#include <gtest/gtest_prod.h> // for FRIEND_TEST
#include "shill/crypto_interface.h"
namespace base {
class FilePath;
} // namespace base
namespace shill {
class GLib;
// DES-CBC crypto module implementation.
class CryptoDESCBC : public CryptoInterface {
public:
static const char kID[];
explicit CryptoDESCBC(GLib* glib);
// Sets the DES key to the last |kBlockSize| bytes of |key_matter_path| and
// the DES initialization vector to the second to last |kBlockSize| bytes of
// |key_matter_path|. Returns true on success.
bool LoadKeyMatter(const base::FilePath& path);
// Inherited from CryptoInterface.
virtual std::string GetID();
virtual bool Encrypt(const std::string& plaintext, std::string* ciphertext);
virtual bool Decrypt(const std::string& ciphertext, std::string* plaintext);
const std::vector<char>& key() const { return key_; }
const std::vector<char>& iv() const { return iv_; }
private:
FRIEND_TEST(CryptoDESCBCTest, Decrypt);
FRIEND_TEST(CryptoDESCBCTest, Encrypt);
static const unsigned int kBlockSize;
static const char kSentinel[];
static const char kVersion2Prefix[];
GLib* glib_;
std::vector<char> key_;
std::vector<char> iv_;
DISALLOW_COPY_AND_ASSIGN(CryptoDESCBC);
};
} // namespace shill
#endif // SHILL_CRYPTO_DES_CBC_H_