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# rijndael.h

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    00001 #ifndef CRYPTOPP_RIJNDAEL_H
    00002 #define CRYPTOPP_RIJNDAEL_H
    00003
    00004 /** \file
    00005 */
    00006
    00007 #include "seckey.h"
    00008 #include "secblock.h"
    00009
    00010 NAMESPACE_BEGIN(CryptoPP)
    00011
    00012 //! _
    00013 struct Rijndael_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
    00014 {
    00015         CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return CRYPTOPP_RIJNDAEL_NAME;}
    00016 };
    00017
    00018 /// <a href="http://www.weidai.com/scan-mirror/cs.html#Rijndael">Rijndael</a>
    00019 class CRYPTOPP_DLL Rijndael : public Rijndael_Info, public BlockCipherDocumentation
    00020 {
    00021         class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Rijndael_Info>
    00022         {
    00023         public:
    00024                 void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
    00025
    00026         protected:
    00027                 static void FillEncTable();
    00028                 static void FillDecTable();
    00029
    00030                 // VS2005 workaround: have to put these on seperate lines, or error C2487 is triggered in DLL build
    00031                 static const byte Se[256];
    00032                 static const byte Sd[256];
    00033
    00034                 static const word32 rcon[];
    00035
    00036                 unsigned int m_rounds;
    00037                 FixedSizeAlignedSecBlock<word32, 4*15> m_key;
    00038         };
    00039
    00040         class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base
    00041         {
    00042         public:
    00043                 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
    00044 #if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)
    00045                 size_t AdvancedProcessBlocks(const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const;
    00046 #endif
    00047         };
    00048
    00049         class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Dec : public Base
    00050         {
    00051         public:
    00052                 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
    00053         };
    00054
    00055 public:
    00056         typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
    00057         typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
    00058 };
    00059
    00060 typedef Rijndael::Encryption RijndaelEncryption;
    00061 typedef Rijndael::Decryption RijndaelDecryption;
    00062
    00063 NAMESPACE_END
    00064
    00065 #endif