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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 struct Rijndael_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
    00013 {
    00014         CRYPTOPP_DLL static const char * StaticAlgorithmName() {return "Rijndael";}
    00015 };
    00016
    00017 /// <a href="http://www.weidai.com/scan-mirror/cs.html#Rijndael">Rijndael</a>
    00018 class CRYPTOPP_DLL Rijndael : public Rijndael_Info, public BlockCipherDocumentation
    00019 {
    00020         class CRYPTOPP_DLL Base : public BlockCipherBaseTemplate<Rijndael_Info>
    00021         {
    00022         public:
    00023                 void UncheckedSetKey(CipherDir direction, const byte *userKey, unsigned int length);
    00024
    00025         protected:
    00026                 static const word32 Te0[256];
    00027                 static const word32 Te1[256];
    00028                 static const word32 Te2[256];
    00029                 static const word32 Te3[256];
    00030                 static const word32 Te4[256];
    00031
    00032                 static const word32 Td0[256];
    00033                 static const word32 Td1[256];
    00034                 static const word32 Td2[256];
    00035                 static const word32 Td3[256];
    00036                 static const word32 Td4[256];
    00037
    00038                 static const word32 rcon[];
    00039
    00040                 unsigned int m_rounds;
    00041                 SecBlock<word32> m_key;
    00042         };
    00043
    00044         class CRYPTOPP_DLL Enc : public Base
    00045         {
    00046         public:
    00047                 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
    00048         };
    00049
    00050         class CRYPTOPP_DLL Dec : public Base
    00051         {
    00052         public:
    00053                 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
    00054         };
    00055
    00056 public:
    00057         typedef BlockCipherTemplate<ENCRYPTION, Enc> Encryption;
    00058         typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption;
    00059 };
    00060
    00061 typedef Rijndael::Encryption RijndaelEncryption;
    00062 typedef Rijndael::Decryption RijndaelDecryption;
    00063
    00064 NAMESPACE_END
    00065
    00066 #endif