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66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
/*
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Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
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This program 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; version 2 of the License.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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MA 02110-1301 USA.
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*/
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/* rabbit.hpp defines Rabbit
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*/
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#ifndef TAO_CRYPT_RABBIT_HPP
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#define TAO_CRYPT_RABBIT_HPP
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#include "misc.hpp"
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namespace TaoCrypt {
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// Rabbit encryption and decryption
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class Rabbit {
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public:
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typedef Rabbit Encryption;
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typedef Rabbit Decryption;
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enum RabbitCtx { Master = 0, Work = 1 };
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Rabbit() {}
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void Process(byte*, const byte*, word32);
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void SetKey(const byte*, const byte*);
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private:
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struct Ctx {
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word32 x[8];
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word32 c[8];
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word32 carry;
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};
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Ctx masterCtx_;
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Ctx workCtx_;
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void NextState(RabbitCtx);
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void SetIV(const byte*);
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Rabbit(const Rabbit&); // hide copy
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const Rabbit operator=(const Rabbit&); // and assign
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};
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} // namespace
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#endif // TAO_CRYPT_RABBIT_HPP
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