Crypto++
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(const byte *key, unsigned int length, const NameValuePairs &params);
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