00001
#ifndef CRYPTOPP_SQUARE_H
00002
#define CRYPTOPP_SQUARE_H
00003
00004
00005
00006
00007
#include "seckey.h"
00008
#include "secblock.h"
00009
00010 NAMESPACE_BEGIN(CryptoPP)
00011
00012
00013 struct
Square_Info : public
FixedBlockSize<16>, public
FixedKeyLength<16>,
FixedRounds<8>
00014 {
00015
static const char *StaticAlgorithmName() {
return "Square";}
00016 };
00017
00018
00019 class Square :
public Square_Info,
public BlockCipherDocumentation
00020 {
00021
class CRYPTOPP_NO_VTABLE Base :
public BlockCipherImpl<Square_Info>
00022 {
00023
public:
00024
void UncheckedSetKey(
CipherDir direction,
const byte *userKey,
unsigned int length);
00025
00026
protected:
00027 FixedSizeSecBlock<word32[4], ROUNDS+1> roundkeys;
00028 };
00029
00030
class CRYPTOPP_NO_VTABLE Enc :
public Base
00031 {
00032
public:
00033
void ProcessAndXorBlock(
const byte *inBlock,
const byte *xorBlock, byte *outBlock)
const;
00034
private:
00035
static const byte Se[256];
00036
static const word32 Te[4][256];
00037 };
00038
00039
class CRYPTOPP_NO_VTABLE Dec :
public Base
00040 {
00041
public:
00042
void ProcessAndXorBlock(
const byte *inBlock,
const byte *xorBlock, byte *outBlock)
const;
00043
private:
00044
static const byte Sd[256];
00045
static const word32 Td[4][256];
00046 };
00047
00048
public:
00049 typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
00050 typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
00051 };
00052
00053
typedef Square::Encryption SquareEncryption;
00054
typedef Square::Decryption SquareDecryption;
00055
00056 NAMESPACE_END
00057
00058
#endif