~zooko/cryptopp/trunk

#ifndef CRYPTOPP_MARS_H

#define CRYPTOPP_MARS_H

/** \file

*/

#include "seckey.h"

#include "secblock.h"

NAMESPACE_BEGIN(CryptoPP)

//! _

struct MARS_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 56, 4>

{

	static const char *StaticAlgorithmName() {return "MARS";}

};

/// <a href="http://www.weidai.com/scan-mirror/cs.html#MARS">MARS</a>

class MARS : public MARS_Info, public BlockCipherDocumentation

{

	class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<MARS_Info>

	{

	public:

		void UncheckedSetKey(CipherDir direction, const byte *userKey, unsigned int length);

	protected:

		static const word32 Sbox[512];

		FixedSizeSecBlock<word32, 40> EK;

	};

	class CRYPTOPP_NO_VTABLE Enc : public Base

	{

	public:

		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;

	};

	class CRYPTOPP_NO_VTABLE Dec : public Base

	{

	public:

		void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;

	};

public:

	typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;

	typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;

};

typedef MARS::Encryption MARSEncryption;

typedef MARS::Decryption MARSDecryption;

NAMESPACE_END

#endif