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59 lines
1.4 KiB
C++
59 lines
1.4 KiB
C++
/* arc4.hpp
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*
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* Copyright (C) 2003 Sawtooth Consulting Ltd.
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*
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* This file is part of yaSSL.
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*
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* yaSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* yaSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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/* arc4.hpp defines ARC4
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*/
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#ifndef TAO_CRYPT_ARC4_HPP
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#define TAO_CRYPT_ARC4_HPP
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#include "misc.hpp"
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namespace TaoCrypt {
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// ARC4 encryption and decryption
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class ARC4 {
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public:
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enum { STATE_SIZE = 256 };
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typedef ARC4 Encryption;
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typedef ARC4 Decryption;
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ARC4() {}
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void Process(byte*, const byte*, word32);
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void SetKey(const byte*, word32);
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private:
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byte x_;
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byte y_;
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byte state_[STATE_SIZE];
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ARC4(const ARC4&); // hide copy
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const ARC4 operator=(const ARC4&); // and assign
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};
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} // namespace
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#endif // TAO_CRYPT_ARC4_HPP
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