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// mars.h - originally written and placed in the public domain by Wei Dai
//! \file mars.h
//! \brief Classes for the MARS block cipher (IBM AES submission)
#ifndef CRYPTOPP_MARS_H
#define CRYPTOPP_MARS_H
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
//! \class MARS_Info
//! \brief MARS block cipher information
struct MARS_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 56, 8>
{
CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MARS";}
};
//! \class MARS
//! \brief MARS block cipher
//! \sa <a href="http://www.cryptopp.com/wiki/MARS">MARS</a>
class MARS : public MARS_Info, public BlockCipherDocumentation
{
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<MARS_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
protected:
static const word32 Sbox[512];
FixedSizeSecBlock<word32, 40> m_k;
};
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
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