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