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/*==LICENSE==*
CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011 Cyan Worlds, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==LICENSE==*/
/*****************************************************************************
*
* $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Intern.h
*
***/
#ifdef PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNUTILS_INTERN_H
#error "Header $/Plasma20/Sources/Plasma/NucleusLib/pnUtils/Intern.h included more than once"
#endif
#define PLASMA20_SOURCES_PLASMA_NUCLEUSLIB_PNUTILS_INTERN_H
/*****************************************************************************
*
* Crypt
*
***/
namespace Crypt {
//============================================================================
class KeyBase {
public:
virtual void Codec (bool encrypt, ARRAY(byte) * dest, unsigned sourceBytes, const void * sourceData) = 0;
virtual unsigned GetBlockSize () const = 0;
};
//============================================================================
class KeyRc4 : public KeyBase {
private:
unsigned m_x;
unsigned m_y;
byte m_state[256];
void Initialize (unsigned bytes, const void * data);
public:
KeyRc4 (unsigned bytes, const void * data) { Initialize(bytes, data); }
void Codec (bool encrypt, ARRAY(byte) * dest, unsigned sourceBytes, const void * sourceData);
unsigned GetBlockSize () const { return 1; }
static void KeyGen (
unsigned randomBytes,
const void * randomData,
ARRAY(byte) * privateData
);
};
} // namespace Crypt