61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
// mars.h - originally written and placed in the public domain by Wei Dai
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/// \file mars.h
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/// \brief Classes for the MARS block cipher (IBM AES submission)
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/// \since Crypto++ 3.0
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#ifndef CRYPTOPP_MARS_H
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#define CRYPTOPP_MARS_H
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#include "seckey.h"
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#include "secblock.h"
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NAMESPACE_BEGIN(CryptoPP)
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/// \brief MARS block cipher information
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/// \since Crypto++ 3.0
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struct MARS_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 56, 8>
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{
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CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "MARS";}
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};
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/// \brief MARS block cipher
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/// \sa <a href="http://www.cryptopp.com/wiki/MARS">MARS</a>
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/// \since Crypto++ 3.0
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class MARS : public MARS_Info, public BlockCipherDocumentation
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{
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class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<MARS_Info>
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{
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public:
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void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
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protected:
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static const word32 Sbox[512];
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FixedSizeSecBlock<word32, 40> m_k;
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};
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class CRYPTOPP_NO_VTABLE Enc : public Base
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{
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public:
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void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
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};
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class CRYPTOPP_NO_VTABLE Dec : public Base
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{
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public:
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void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
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};
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public:
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typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
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typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
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};
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typedef MARS::Encryption MARSEncryption;
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typedef MARS::Decryption MARSDecryption;
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NAMESPACE_END
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#endif
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