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78 lines
2.3 KiB
78 lines
2.3 KiB
14 years ago
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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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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, either version 3 of the License, or
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(at your option) any later version.
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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. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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/*****************************************************************************
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*
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* $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Intern.h
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*
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***/
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#ifdef PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNUTILS_INTERN_H
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#error "Header $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Intern.h included more than once"
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#endif
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#define PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNUTILS_INTERN_H
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/*****************************************************************************
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*
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* Crypt
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*
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***/
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namespace Crypt {
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//============================================================================
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class KeyBase {
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public:
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virtual void Codec (bool encrypt, ARRAY(byte) * dest, unsigned sourceBytes, const void * sourceData) = 0;
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virtual unsigned GetBlockSize () const = 0;
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};
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//============================================================================
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class KeyRc4 : public KeyBase {
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private:
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unsigned m_x;
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unsigned m_y;
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byte m_state[256];
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void Initialize (unsigned bytes, const void * data);
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public:
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KeyRc4 (unsigned bytes, const void * data) { Initialize(bytes, data); }
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void Codec (bool encrypt, ARRAY(byte) * dest, unsigned sourceBytes, const void * sourceData);
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unsigned GetBlockSize () const { return 1; }
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static void KeyGen (
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unsigned randomBytes,
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const void * randomData,
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ARRAY(byte) * privateData
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);
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};
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} // namespace Crypt
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