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3way.h

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00001 #ifndef CRYPTOPP_THREEWAY_H 00002 #define CRYPTOPP_THREEWAY_H 00003 00004 /** \file 00005 */ 00006 00007 #include "seckey.h" 00008 #include "secblock.h" 00009 00010 NAMESPACE_BEGIN(CryptoPP) 00011 00012 //! _ 00013 struct ThreeWay_Info : public FixedBlockSize<12>, public FixedKeyLength<12>, public VariableRounds<11> 00014 { 00015 static const char *StaticAlgorithmName() {return "3-Way";} 00016 }; 00017 00018 /// <a href="http://www.weidai.com/scan-mirror/cs.html#3-Way">3-Way</a> 00019 class ThreeWay : public ThreeWay_Info, public BlockCipherDocumentation 00020 { 00021 class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<ThreeWay_Info> 00022 { 00023 public: 00024 void UncheckedSetKey(CipherDir direction, const byte *key, unsigned int length, unsigned int rounds); 00025 00026 protected: 00027 unsigned int m_rounds; 00028 FixedSizeSecBlock<word32, 3> m_k; 00029 }; 00030 00031 class CRYPTOPP_NO_VTABLE Enc : public Base 00032 { 00033 public: 00034 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; 00035 }; 00036 00037 class CRYPTOPP_NO_VTABLE Dec : public Base 00038 { 00039 public: 00040 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; 00041 }; 00042 00043 public: 00044 typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; 00045 typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; 00046 }; 00047 00048 typedef ThreeWay::Encryption ThreeWayEncryption; 00049 typedef ThreeWay::Decryption ThreeWayDecryption; 00050 00051 NAMESPACE_END 00052 00053 #endif

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