Go to the documentation of this file.00001 #ifndef CRYPTOPP_SKIPJACK_H
00002 #define CRYPTOPP_SKIPJACK_H
00003
00004
00005
00006
00007 #include "seckey.h"
00008 #include "secblock.h"
00009
00010 NAMESPACE_BEGIN(CryptoPP)
00011
00012
00013 struct SKIPJACK_Info : public FixedBlockSize<8>, public FixedKeyLength<10>
00014 {
00015 CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return "SKIPJACK";}
00016 };
00017
00018
00019 class SKIPJACK : public SKIPJACK_Info, public BlockCipherDocumentation
00020 {
00021 class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SKIPJACK_Info>
00022 {
00023 public:
00024 void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
00025 unsigned int OptimalDataAlignment() const {return GetAlignmentOf<word16>();}
00026
00027 protected:
00028 static const byte fTable[256];
00029
00030 FixedSizeSecBlock<byte, 10*256> tab;
00031 };
00032
00033 class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base
00034 {
00035 public:
00036 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00037 private:
00038 static const byte Se[256];
00039 static const word32 Te[4][256];
00040 };
00041
00042 class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Dec : public Base
00043 {
00044 public:
00045 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00046 private:
00047 static const byte Sd[256];
00048 static const word32 Td[4][256];
00049 };
00050
00051 public:
00052 typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
00053 typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
00054 };
00055
00056 typedef SKIPJACK::Encryption SKIPJACKEncryption;
00057 typedef SKIPJACK::Decryption SKIPJACKDecryption;
00058
00059 NAMESPACE_END
00060
00061 #endif