Main Page | Namespace List | Class Hierarchy | Alphabetical List | Class List | File List | Namespace Members | Class Members | File Members

serpent.h

Go to the documentation of this file.
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 struct Serpent_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 1, 32>, public FixedRounds<32>
00013 {
00014         static const char *StaticAlgorithmName() {return "Serpent";}
00015 };
00016 
00017 /// <a href="http://www.weidai.com/scan-mirror/cs.html#Serpent">Serpent</a>
00018 class Serpent : public Serpent_Info, public BlockCipherDocumentation
00019 {
00020         class Base : public BlockCipherBaseTemplate<Serpent_Info>
00021         {
00022         public:
00023                 void UncheckedSetKey(CipherDir direction, const byte *userKey, unsigned int length);
00024 
00025         protected:
00026                 FixedSizeSecBlock<word32, 140> m_key;
00027         };
00028 
00029         class Enc : public Base
00030         {
00031         public:
00032                 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00033         };
00034 
00035         class Dec : public Base
00036         {
00037         public:
00038                 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00039         };
00040 
00041 public:
00042         typedef BlockCipherTemplate<ENCRYPTION, Enc> Encryption;
00043         typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption;
00044 };
00045 
00046 typedef Serpent::Encryption SerpentEncryption;
00047 typedef Serpent::Decryption SerpentDecryption;
00048 
00049 NAMESPACE_END
00050 
00051 #endif

Generated on Mon Apr 19 18:12:33 2004 for Crypto++ by doxygen 1.3.6-20040222