encfs/cipher/StreamCipher.h
Valient Gough a89752dfe7 reformat with clang-format -style=Google
git-svn-id: http://encfs.googlecode.com/svn/trunk@121 db9cf616-1c43-0410-9cb8-a902689de0d6
2013-10-19 22:35:26 +00:00

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2.0 KiB
C++

/*****************************************************************************
* Author: Valient Gough <vgough@pobox.com>
*
*****************************************************************************
* Copyright (c) 2013 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 _STREAMCIPHER_incl_
#define _STREAMCIPHER_incl_
#include "base/Range.h"
#include "base/Registry.h"
#include "base/shared_ptr.h"
#include "base/types.h"
#include "cipher/CipherKey.h"
namespace encfs {
static const char NAME_AES_CFB[] = "AES/CFB";
static const char NAME_BLOWFISH_CFB[] = "Blowfish/CFB";
class StreamCipher {
public:
DECLARE_REGISTERABLE_TYPE(StreamCipher);
struct Properties {
Range keySize;
std::string cipher;
std::string mode;
std::string library;
std::string toString() const { return cipher + "/" + mode; }
Properties() {}
Properties(Range keys, const char *cipher_, const char *mode_,
const char *library_)
: keySize(keys), cipher(cipher_), mode(mode_), library(library_) {}
};
StreamCipher();
virtual ~StreamCipher();
virtual bool setKey(const CipherKey &key) = 0;
virtual bool encrypt(const byte *ivec, const byte *in, byte *out,
int numBytes) = 0;
virtual bool decrypt(const byte *ivec, const byte *in, byte *out,
int numBytes) = 0;
};
} // namespace encfs
#endif