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mars.h

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#ifndef CRYPTOPP_MARS_H
#define CRYPTOPP_MARS_H

#include "cryptlib.h"
#include "misc.h"

NAMESPACE_BEGIN(CryptoPP)

class MARS : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 56, 4>
{
protected:
        MARS(const byte *userKey, unsigned int keylength);

        static const word32 Sbox[512];

        SecBlock<word32> EK;
};

class MARSEncryption : public MARS
{
public:
        MARSEncryption(const byte *userKey, unsigned int keylength=DEFAULT_KEYLENGTH)
                : MARS(userKey, keylength) {}

        void ProcessBlock(const byte *inBlock, byte * outBlock) const;
        void ProcessBlock(byte * inoutBlock) const
                {MARSEncryption::ProcessBlock(inoutBlock, inoutBlock);}
};

class MARSDecryption : public MARS
{
public:
        MARSDecryption(const byte *userKey, unsigned int keylength=DEFAULT_KEYLENGTH)
                : MARS(userKey, keylength) {}

        void ProcessBlock(const byte *inBlock, byte * outBlock) const;
        void ProcessBlock(byte * inoutBlock) const
                {MARSDecryption::ProcessBlock(inoutBlock, inoutBlock);}
};

NAMESPACE_END

#endif

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