Release v0.1.5.4 prepare for release
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// 3way.h - originally written and placed in the public domain by Wei Dai
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/// \file 3way.h
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/// \brief Classes for the 3-Way block cipher
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#ifndef CRYPTOPP_THREEWAY_H
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#define CRYPTOPP_THREEWAY_H
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#include "config.h"
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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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/// \brief ThreeWay block cipher information
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struct ThreeWay_Info : public FixedBlockSize<12>, public FixedKeyLength<12>, public VariableRounds<11>
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{
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CRYPTOPP_STATIC_CONSTEXPR const char* StaticAlgorithmName() {return "3-Way";}
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};
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/// \brief ThreeWay block cipher
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/// \sa <a href="http://www.cryptopp.com/wiki/3-Way">3-Way</a>
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class ThreeWay : public ThreeWay_Info, public BlockCipherDocumentation
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{
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/// \brief Class specific implementation and overrides used to operate the cipher.
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/// \details Implementations and overrides in \p Base apply to both \p ENCRYPTION and \p DECRYPTION directions
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class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<ThreeWay_Info>
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{
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public:
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void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶ms);
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protected:
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unsigned int m_rounds;
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FixedSizeSecBlock<word32, 3> m_k;
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};
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/// \brief Class specific methods used to operate the cipher in the forward direction.
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/// \details Implementations and overrides in \p Enc apply to \p ENCRYPTION.
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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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/// \brief Class specific methods used to operate the cipher in the reverse direction.
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/// \details Implementations and overrides in \p Dec apply to \p DECRYPTION.
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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 ThreeWay::Encryption ThreeWayEncryption;
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typedef ThreeWay::Decryption ThreeWayDecryption;
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NAMESPACE_END
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#endif
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