gost.h
Go to the documentation of this file.
#ifndef CRYPTOPP_GOST_H
#define CRYPTOPP_GOST_H
/** \file
*/
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
//! _
struct GOST_Info : public FixedBlockSize<8>, public FixedKeyLength<32>
{
static const char *StaticAlgorithmName() {return "GOST";}
};
/// <a href="http://www.weidai.com/scan-mirror/cs.html#GOST">GOST</a>
class GOST : public GOST_Info, public BlockCipherDocumentation
{
class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<GOST_Info>
{
public:
void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
protected:
static void PrecalculateSTable();
static const byte sBox[8][16];
static volatile bool sTableCalculated;
static word32 sTable[4][256];
FixedSizeSecBlock<word32, 8> key;
};
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
public:
typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};
typedef GOST::Encryption GOSTEncryption;
typedef GOST::Decryption GOSTDecryption;
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
FixedBlockSize
to be inherited by block ciphers with fixed block size
Definition: seckey.h:21
BlockCipherFinal< ENCRYPTION, Enc >
GOST_Info
_
Definition: gost.h:13
FixedSizeSecBlock< word32, 8 >
GOST
GOST
Definition: gost.h:19
BlockCipherImpl
Definition: seckey.h:143
NameValuePairs
interface for retrieving values given their names
Definition: cryptlib.h:224