square.h
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#ifndef CRYPTOPP_SQUARE_H
#define CRYPTOPP_SQUARE_H
/** \file
*/
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
//! _
struct Square_Info : public FixedBlockSize<16>, public FixedKeyLength<16>, FixedRounds<8>
{
static const char *StaticAlgorithmName() {return "Square";}
};
/// <a href="http://www.weidai.com/scan-mirror/cs.html#Square">Square</a>
class Square : public Square_Info, public BlockCipherDocumentation
{
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Square_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
protected:
FixedSizeSecBlock<word32, 4*(ROUNDS+1)> m_roundkeys;
};
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
private:
static const byte Se[256];
static const word32 Te[4][256];
};
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
private:
static const byte Sd[256];
static const word32 Td[4][256];
};
public:
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
typedef Square::Encryption SquareEncryption;
typedef Square::Decryption SquareDecryption;
NAMESPACE_END
#endif
FixedKeyLength
to be inherited by keyed algorithms with fixed key length
Definition: seckey.h:66
BlockCipherDocumentation
These objects usually should not be used directly. See CipherModeDocumentation instead.
Definition: seckey.h:188
Square
Square
Definition: square.h:19
BlockCipher
interface for one direction (encryption or decryption) of a block cipher
Definition: cryptlib.h:603
FixedBlockSize
to be inherited by block ciphers with fixed block size
Definition: seckey.h:21
BlockCipherFinal< ENCRYPTION, Enc >
FixedSizeSecBlock< word32, 4 *(ROUNDS+1)>
FixedRounds
to be inherited by ciphers with fixed number of rounds
Definition: seckey.h:31
Square_Info
_
Definition: square.h:13
BlockCipherImpl
Definition: seckey.h:143
NameValuePairs
interface for retrieving values given their names
Definition: cryptlib.h:224