Crypto++
serpent.h
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00001 #ifndef CRYPTOPP_SERPENT_H
00002 #define CRYPTOPP_SERPENT_H
00003 
00004 /** \file
00005 */
00006 
00007 #include "seckey.h"
00008 #include "secblock.h"
00009 
00010 NAMESPACE_BEGIN(CryptoPP)
00011 
00012 //! _
00013 struct Serpent_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 32>, public FixedRounds<32>
00014 {
00015     static const char *StaticAlgorithmName() {return "Serpent";}
00016 };
00017 
00018 /// <a href="http://www.weidai.com/scan-mirror/cs.html#Serpent">Serpent</a>
00019 class Serpent : public Serpent_Info, public BlockCipherDocumentation
00020 {
00021     class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Serpent_Info>
00022     {
00023     public:
00024         void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
00025 
00026     protected:
00027         FixedSizeSecBlock<word32, 33*4> m_key;
00028     };
00029 
00030     class CRYPTOPP_NO_VTABLE Enc : public Base
00031     {
00032     public:
00033         void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00034     };
00035 
00036     class CRYPTOPP_NO_VTABLE Dec : public Base
00037     {
00038     public:
00039         void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00040     };
00041 
00042 public:
00043     typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
00044     typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
00045 };
00046 
00047 typedef Serpent::Encryption SerpentEncryption;
00048 typedef Serpent::Decryption SerpentDecryption;
00049 
00050 NAMESPACE_END
00051 
00052 #endif