00001 #ifndef CRYPTOPP_CAMELLIA_H
00002 #define CRYPTOPP_CAMELLIA_H
00003
00004 #include "config.h"
00005
00006 #ifdef WORD64_AVAILABLE
00007
00008
00009
00010
00011 #include "seckey.h"
00012 #include "secblock.h"
00013
00014 NAMESPACE_BEGIN(CryptoPP)
00015
00016
00017 struct Camellia_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 16, 32, 8>
00018 {
00019 static const char *StaticAlgorithmName() {return "Camellia";}
00020 };
00021
00022
00023 class Camellia : public Camellia_Info, public BlockCipherDocumentation
00024 {
00025 class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Camellia_Info>
00026 {
00027 public:
00028 void UncheckedSetKey(CipherDir dir, const byte *key, unsigned int keylen);
00029 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00030
00031 protected:
00032 static word64 F(word64 X);
00033 static void FLlayer(word64 *x, word64 K1, word64 K2);
00034
00035 static const byte s1[256];
00036 static const byte s2[256];
00037 static const byte s3[256];
00038 static const byte s4[256];
00039
00040 unsigned int m_rounds;
00041 SecBlock<word64> m_key;
00042 };
00043
00044 public:
00045 typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;
00046 typedef BlockCipherFinal<DECRYPTION, Base> Decryption;
00047 };
00048
00049 typedef Camellia::Encryption CamelliaEncryption;
00050 typedef Camellia::Decryption CamelliaDecryption;
00051
00052 NAMESPACE_END
00053
00054 #endif
00055
00056 #endif