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#ifndef CRYPTOPP_GOST_H
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#define CRYPTOPP_GOST_H
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#include "seckey.h"
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#include "secblock.h"
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00010 NAMESPACE_BEGIN(CryptoPP)
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00013 struct
GOST_Info : public
FixedBlockSize<8>, public
FixedKeyLength<32>
00014 {
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static const char *StaticAlgorithmName() {
return "GOST";}
00016 };
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00019 class GOST :
public GOST_Info,
public BlockCipherDocumentation
00020 {
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class CRYPTOPP_NO_VTABLE Base :
public BlockCipherImpl<GOST_Info>
00022 {
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public:
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void UncheckedSetKey(
CipherDir direction,
const byte *userKey,
unsigned int length);
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protected:
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static void PrecalculateSTable();
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static const byte sBox[8][16];
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static bool sTableCalculated;
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static word32 sTable[4][256];
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00033 FixedSizeSecBlock<word32, 8> key;
00034 };
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class CRYPTOPP_NO_VTABLE Enc :
public Base
00037 {
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public:
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void ProcessAndXorBlock(
const byte *inBlock,
const byte *xorBlock, byte *outBlock)
const;
00040 };
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class CRYPTOPP_NO_VTABLE Dec :
public Base
00043 {
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public:
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void ProcessAndXorBlock(
const byte *inBlock,
const byte *xorBlock, byte *outBlock)
const;
00046 };
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public:
00049 typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
00050 typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
00051 };
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typedef GOST::Encryption GOSTEncryption;
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typedef GOST::Decryption GOSTDecryption;
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00056 NAMESPACE_END
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#endif