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 struct Rijndael_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
00013 {
00014 static const char *StaticAlgorithmName() {return "Rijndael";}
00015 };
00016
00017
00018 class Rijndael : public Rijndael_Info, public BlockCipherDocumentation
00019 {
00020 class 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 Enc : public Base
00045 {
00046 public:
00047 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00048 };
00049
00050 class 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