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#ifndef CRYPTOPP_SERPENT_H
#define CRYPTOPP_SERPENT_H
/** \file
*/
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
struct Serpent_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 1, 32>, public FixedRounds<32>
{
static const char *StaticAlgorithmName() {return "Serpent";}
};
/// <a href="http://www.weidai.com/scan-mirror/cs.html#Serpent">Serpent</a>
class Serpent : public Serpent_Info, public BlockCipherDocumentation
{
class Base : public BlockCipherBaseTemplate<Serpent_Info>
{
public:
void UncheckedSetKey(CipherDir direction, const byte *userKey, unsigned int length);
protected:
FixedSizeSecBlock<word32, 140> m_key;
};
class Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
class Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
public:
typedef BlockCipherTemplate<ENCRYPTION, Enc> Encryption;
typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption;
};
typedef Serpent::Encryption SerpentEncryption;
typedef Serpent::Decryption SerpentDecryption;
NAMESPACE_END
#endif
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