seed.h

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// seed.h - originally written and placed in the public domain by Wei Dai
 
/// \file seed.h
/// \brief Classes for the SEED block cipher
/// \since Crypto++ 5.6.0
 
#ifndef CRYPTOPP_SEED_H
#define CRYPTOPP_SEED_H
 
#include "seckey.h"
#include "secblock.h"
 
NAMESPACE_BEGIN(CryptoPP)
 
/// \brief SEED block cipher information
/// \since Crypto++ 5.6.0
struct SEED_Info : public FixedBlockSize<16>, public FixedKeyLength<16>, public FixedRounds<16>
{
    CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "SEED";}
};
 
/// \brief SEED block cipher
/// \sa <a href="http://www.cryptolounge.org/wiki/SEED">SEED</a>
/// \since Crypto++ 5.6.0
class SEED : public SEED_Info, public BlockCipherDocumentation
{
    class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SEED_Info>
    {
    public:
        void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params);
        void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
 
    protected:
        FixedSizeSecBlock<word32, 32> m_k;
    };
 
public:
    typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
    typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
};
 
NAMESPACE_END
 
#endif