shacal2.h

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00001 #ifndef CRYPTOPP_SHACAL2_H
00002 #define CRYPTOPP_SHACAL2_H
00003 
00004 /** \file
00005 */
00006 
00007 #include "seckey.h"
00008 #include "secblock.h"
00009 
00010 NAMESPACE_BEGIN(CryptoPP)
00011 
00012 //! _
00013 struct SHACAL2_Info : public FixedBlockSize<32>, public VariableKeyLength<16, 16, 64>
00014 {
00015     static const char *StaticAlgorithmName() {return "SHACAL-2";}
00016 };
00017 
00018 /// <a href="http://www.weidai.com/scan-mirror/cs.html#SHACAL-2">SHACAL-2</a>
00019 class SHACAL2 : public SHACAL2_Info, public BlockCipherDocumentation
00020 {
00021     class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SHACAL2_Info>
00022     {
00023     public:
00024         void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
00025 
00026     protected:
00027         FixedSizeSecBlock<word32, 64> m_key;
00028 
00029         static const word32 K[64];
00030     };
00031 
00032     class CRYPTOPP_NO_VTABLE Enc : public Base
00033     {
00034     public:
00035         void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00036     };
00037 
00038     class CRYPTOPP_NO_VTABLE Dec : public Base
00039     {
00040     public:
00041         void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00042     };
00043 
00044 public:
00045     typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
00046     typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
00047 };
00048 
00049 typedef SHACAL2::Encryption SHACAL2Encryption;
00050 typedef SHACAL2::Decryption SHACAL2Decryption;
00051 
00052 NAMESPACE_END
00053 
00054 #endif

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