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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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00012 struct GOST_Info : public
FixedBlockSize<8>, public
FixedKeyLength<32>
00013 {
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static const char *StaticAlgorithmName() {
return "GOST";}
00015 };
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00018 class GOST :
public GOST_Info,
public BlockCipherDocumentation
00019 {
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class Base :
public BlockCipherBaseTemplate<GOST_Info>
00021 {
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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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00032 FixedSizeSecBlock<word32, 8> key;
00033 };
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class Enc :
public Base
00036 {
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public:
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void ProcessAndXorBlock(
const byte *inBlock,
const byte *xorBlock, byte *outBlock)
const;
00039 };
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class Dec :
public Base
00042 {
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public:
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void ProcessAndXorBlock(
const byte *inBlock,
const byte *xorBlock, byte *outBlock)
const;
00045 };
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public:
00048 typedef BlockCipherTemplate<ENCRYPTION, Enc> Encryption;
00049 typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption;
00050 };
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typedef GOST::Encryption GOSTEncryption;
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typedef GOST::Decryption GOSTDecryption;
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00055 NAMESPACE_END
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#endif