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#ifndef CRYPTOPP_SKIPJACK_H
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#define CRYPTOPP_SKIPJACK_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 SKIPJACK_Info : public
FixedBlockSize<8>, public
FixedKeyLength<10>
00013 {
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static const char *StaticAlgorithmName() {
return "SKIPJACK";}
00015 };
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00017
00018 class SKIPJACK :
public SKIPJACK_Info,
public BlockCipherDocumentation
00019 {
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class Base :
public BlockCipherBaseTemplate<SKIPJACK_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 const byte fTable[256];
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00028 FixedSizeSecBlock<byte[256], 10> tab;
00029 };
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class Enc :
public Base
00032 {
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public:
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void ProcessAndXorBlock(
const byte *inBlock,
const byte *xorBlock, byte *outBlock)
const;
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private:
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static const byte Se[256];
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static const word32 Te[4][256];
00038 };
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class Dec :
public Base
00041 {
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public:
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void ProcessAndXorBlock(
const byte *inBlock,
const byte *xorBlock, byte *outBlock)
const;
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private:
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static const byte Sd[256];
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static const word32 Td[4][256];
00047 };
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public:
00050 typedef BlockCipherTemplate<ENCRYPTION, Enc> Encryption;
00051 typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption;
00052 };
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typedef SKIPJACK::Encryption SKIPJACKEncryption;
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typedef SKIPJACK::Decryption SKIPJACKDecryption;
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00057 NAMESPACE_END
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#endif