encfs/fs/StreamNameIO.h
2013-01-29 03:07:54 +00:00

60 lines
1.8 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 "cipher/CipherKey.h"
#include "fs/NameIO.h"
class Cipher;
class StreamNameIO : public NameIO
{
public:
static Interface CurrentInterface();
StreamNameIO( const Interface &iface,
const 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 ) const;
virtual int decodeName( const char *encodedName, int length,
uint64_t *iv, char *plaintextName ) const;
private:
int _interface;
shared_ptr<Cipher> _cipher;
CipherKey _key;
};
#endif