encfs/encfs/StreamNameIO.h
2016-04-24 23:15:43 -07:00

66 lines
1.9 KiB
C++

/*****************************************************************************
* Author: Valient Gough <vgough@pobox.com>
*
*****************************************************************************
* Copyright (c) 2004, Valient Gough
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _StreamNameIO_incl_
#define _StreamNameIO_incl_
#include <memory>
#include <stdint.h>
#include "CipherKey.h"
#include "Interface.h"
#include "NameIO.h"
namespace encfs {
class Cipher;
class StreamNameIO : public NameIO {
public:
static Interface CurrentInterface();
StreamNameIO(const Interface &iface, const std::shared_ptr<Cipher> &cipher,
const CipherKey &key);
virtual ~StreamNameIO();
virtual Interface interface() const;
virtual int maxEncodedNameLen(int plaintextNameLen) const;
virtual int maxDecodedNameLen(int encodedNameLen) const;
// hack to help with static builds
static bool Enabled();
protected:
virtual int encodeName(const char *plaintextName, int length, uint64_t *iv,
char *encodedName, int bufferLength) const;
virtual int decodeName(const char *encodedName, int length, uint64_t *iv,
char *plaintextName, int bufferLength) const;
private:
int _interface;
std::shared_ptr<Cipher> _cipher;
CipherKey _key;
};
} // namespace encfs
#endif