00001 #ifndef CRYPTOPP_RC6_H
00002 #define CRYPTOPP_RC6_H
00003
00004
00005
00006
00007 #include "seckey.h"
00008 #include "secblock.h"
00009
00010 NAMESPACE_BEGIN(CryptoPP)
00011
00012
00013 struct RC6_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 255>, public VariableRounds<20>
00014 {
00015 static const char *StaticAlgorithmName() {return "RC6";}
00016 typedef word32 RC6_WORD;
00017 };
00018
00019
00020 class RC6 : public RC6_Info, public BlockCipherDocumentation
00021 {
00022 class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC6_Info>
00023 {
00024 public:
00025 void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms);
00026
00027 protected:
00028 unsigned int r;
00029 SecBlock<RC6_WORD> sTable;
00030 };
00031
00032 class CRYPTOPP_NO_VTABLE Enc : public Base
00033 {
00034 public:
00035 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00036 };
00037
00038 class CRYPTOPP_NO_VTABLE Dec : public Base
00039 {
00040 public:
00041 void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
00042 };
00043
00044 public:
00045 typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
00046 typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
00047 };
00048
00049 typedef RC6::Encryption RC6Encryption;
00050 typedef RC6::Decryption RC6Decryption;
00051
00052 NAMESPACE_END
00053
00054 #endif