skipjack.h
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#ifndef CRYPTOPP_SKIPJACK_H
#define CRYPTOPP_SKIPJACK_H
/** \file
*/
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
//! _
struct SKIPJACK_Info : public FixedBlockSize<8>, public FixedKeyLength<10>
{
CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return "SKIPJACK";}
};
/// <a href="http://www.weidai.com/scan-mirror/cs.html#SKIPJACK">SKIPJACK</a>
class SKIPJACK : public SKIPJACK_Info, public BlockCipherDocumentation
{
class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SKIPJACK_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
unsigned int OptimalDataAlignment() const {return GetAlignmentOf<word16>();}
protected:
static const byte fTable[256];
FixedSizeSecBlock<byte, 10*256> tab;
};
class CRYPTOPP_DLL 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_DLL 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 SKIPJACK::Encryption SKIPJACKEncryption;
typedef SKIPJACK::Decryption SKIPJACKDecryption;
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
SKIPJACK_Info
_
Definition: skipjack.h:13
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< byte, 10 *256 >
BlockCipherImpl
Definition: seckey.h:143
SKIPJACK
SKIPJACK
Definition: skipjack.h:19
NameValuePairs
interface for retrieving values given their names
Definition: cryptlib.h:224