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a89752dfe7
git-svn-id: http://encfs.googlecode.com/svn/trunk@121 db9cf616-1c43-0410-9cb8-a902689de0d6
67 lines
1.9 KiB
C++
67 lines
1.9 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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#include "cipher/NullCiphers.h"
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#include "cipher/BlockCipher.h"
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#include "cipher/StreamCipher.h"
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namespace encfs {
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class NullCipher : public BlockCipher {
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public:
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virtual ~NullCipher() {}
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virtual int blockSize() const { return 8; }
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virtual bool setKey(const CipherKey &key) { return true; }
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virtual bool encrypt(const byte *iv, const byte *in, byte *out,
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int numBytes) {
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if (in != out) memcpy(out, in, numBytes);
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return true;
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}
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virtual bool decrypt(const byte *iv, const byte *in, byte *out,
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int numBytes) {
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if (in != out) memcpy(out, in, numBytes);
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return true;
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}
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static Properties GetProperties() {
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Properties props;
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props.keySize = Range(0);
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props.cipher = "NullCipher";
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props.mode = "ECB";
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props.library = "internal";
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return props;
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}
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};
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REGISTER_CLASS(NullCipher, BlockCipher);
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REGISTER_CLASS(NullCipher, StreamCipher);
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void NullCiphers::registerCiphers() {
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// Nothing required.
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}
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} // namespace encfs
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