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-rw-r--r--CryptoPP/rc6.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/CryptoPP/rc6.h b/CryptoPP/rc6.h
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+#ifndef CRYPTOPP_RC6_H
+#define CRYPTOPP_RC6_H
+
+/** \file
+*/
+
+#include "seckey.h"
+#include "secblock.h"
+
+NAMESPACE_BEGIN(CryptoPP)
+
+//! _
+struct RC6_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 255>, public VariableRounds<20>
+{
+ static const char *StaticAlgorithmName() {return "RC6";}
+ typedef word32 RC6_WORD;
+};
+
+/// <a href="http://www.weidai.com/scan-mirror/cs.html#RC6">RC6</a>
+class RC6 : public RC6_Info, public BlockCipherDocumentation
+{
+ class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<RC6_Info>
+ {
+ public:
+ void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);
+
+ protected:
+ unsigned int r; // number of rounds
+ SecBlock<RC6_WORD> sTable; // expanded key table
+ };
+
+ class CRYPTOPP_NO_VTABLE Enc : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+ class CRYPTOPP_NO_VTABLE Dec : public Base
+ {
+ public:
+ void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
+ };
+
+public:
+ typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
+ typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
+};
+
+typedef RC6::Encryption RC6Encryption;
+typedef RC6::Decryption RC6Decryption;
+
+NAMESPACE_END
+
+#endif