mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-27 11:50:29 +00:00
58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
#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(CipherDir direction, const byte *userKey, unsigned int length);
|
|
|
|
protected:
|
|
static void PrecalculateSTable();
|
|
|
|
static const byte sBox[8][16];
|
|
static 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
|