00001 #ifndef CRYPTOPP_RIJNDAEL_H
00002 #define CRYPTOPP_RIJNDAEL_H
00003
00004
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
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 ¶ms);
00025
00026 protected:
00027
00028 static const byte Se[256];
00029 static const byte Sd[256];
00030 static const word32 Te[4*256];
00031 static const word32 Td[4*256];
00032
00033 static const word32 rcon[];
00034
00035 unsigned int m_rounds;
00036 SecBlock<word32> m_key;
00037 };
00038
00039 class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base
00040 {
00041 public:
00042 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00043 };
00044
00045 class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Dec : public Base
00046 {
00047 public:
00048 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00049 };
00050
00051 public:
00052 typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
00053 typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
00054 };
00055
00056 typedef Rijndael::Encryption RijndaelEncryption;
00057 typedef Rijndael::Decryption RijndaelDecryption;
00058
00059 NAMESPACE_END
00060
00061 #endif