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

shark.h

Go to the documentation of this file.
00001 #ifndef CRYPTOPP_SHARK_H 00002 #define CRYPTOPP_SHARK_H 00003 00004 /** \file 00005 */ 00006 00007 #include "cryptopp_config.h" 00008 00009 #ifdef WORD64_AVAILABLE 00010 00011 #include "seckey.h" 00012 #include "secblock.h" 00013 00014 NAMESPACE_BEGIN(CryptoPP) 00015 00016 struct SHARK_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 16>, public VariableRounds<6, 2> 00017 { 00018 static const char *StaticAlgorithmName() {return "SHARK-E";} 00019 }; 00020 00021 /// <a href="http://www.weidai.com/scan-mirror/cs.html#SHARK-E">SHARK-E</a> 00022 class SHARK : public SHARK_Info, public BlockCipherDocumentation 00023 { 00024 class Base : public BlockCipherBaseTemplate<SHARK_Info> 00025 { 00026 public: 00027 void UncheckedSetKey(CipherDir dir, const byte *key, unsigned int length, unsigned int rounds); 00028 00029 protected: 00030 unsigned int m_rounds; 00031 SecBlock<word64> m_roundKeys; 00032 }; 00033 00034 class Enc : public Base 00035 { 00036 public: 00037 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; 00038 00039 // used by Base to do key setup 00040 void InitForKeySetup(); 00041 00042 private: 00043 static const byte sbox[256]; 00044 static const word64 cbox[8][256]; 00045 }; 00046 00047 class Dec : public Base 00048 { 00049 public: 00050 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; 00051 00052 private: 00053 static const byte sbox[256]; 00054 static const word64 cbox[8][256]; 00055 }; 00056 00057 public: 00058 typedef BlockCipherTemplate<ENCRYPTION, Enc> Encryption; 00059 typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption; 00060 }; 00061 00062 typedef SHARK::Encryption SHARKEncryption; 00063 typedef SHARK::Decryption SHARKDecryption; 00064 00065 NAMESPACE_END 00066 00067 #endif 00068 #endif

Generated on Fri Aug 13 09:56:55 2004 for Crypto++ by doxygen 1.3.7