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git-svn-id: http://encfs.googlecode.com/svn/trunk@97 db9cf616-1c43-0410-9cb8-a902689de0d6
74 lines
2.0 KiB
C++
74 lines
2.0 KiB
C++
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/*****************************************************************************
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* Author: Valient Gough <vgough@pobox.com>
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*
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*****************************************************************************
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* Copyright (c) 2013 Valient Gough
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*
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* This program is free software: you can redistribute it and/or modify it under
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* the terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _STREAMCIPHER_incl_
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#define _STREAMCIPHER_incl_
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#include "base/Range.h"
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#include "base/Registry.h"
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#include "base/shared_ptr.h"
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#include "base/types.h"
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#include "cipher/CipherKey.h"
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namespace encfs {
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static const char NAME_AES_CFB[] = "AES/CFB";
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static const char NAME_BLOWFISH_CFB[] = "Blowfish/CFB";
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class StreamCipher
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{
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public:
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DECLARE_REGISTERABLE_TYPE(StreamCipher);
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struct Properties {
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Range keySize;
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std::string cipher;
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std::string mode;
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std::string library;
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std::string toString() const {
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return cipher + "/" + mode;
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}
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Properties() {}
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Properties(Range keys, const char *cipher_, const char *mode_,
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const char *library_)
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: keySize(keys),
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cipher(cipher_),
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mode(mode_),
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library(library_) { }
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};
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StreamCipher();
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virtual ~StreamCipher();
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virtual bool setKey(const CipherKey& key) =0;
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virtual bool encrypt(const byte *ivec, const byte *in,
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byte *out, int numBytes) =0;
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virtual bool decrypt(const byte *ivec, const byte *in,
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byte *out, int numBytes) =0;
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};
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} // namespace encfs
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#endif
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