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81 lines
2.7 KiB
81 lines
2.7 KiB
// hight.h - written and placed in the public domain by Kim Sung Hee and Jeffrey Walton |
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// Based on "HIGHT: A New Block Cipher Suitable for Low-Resource Device" |
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// by Deukjo Hong, Jaechul Sung, Seokhie Hong, Jongin Lim, Sangjin Lee, |
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// Bon-Seok Koo, Changhoon Lee, Donghoon Chang, Jesang Lee, Kitae Jeong, |
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// Hyun Kim, Jongsung Kim, and Seongtaek Chee |
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/// \file hight.h |
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/// \brief Classes for the HIGHT block cipher |
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/// \since Crypto++ 8.0 |
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#ifndef CRYPTOPP_HIGHT_H |
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#define CRYPTOPP_HIGHT_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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#include "algparam.h" |
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NAMESPACE_BEGIN(CryptoPP) |
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/// \brief HIGHT block cipher information |
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/// \since Crypto++ 8.0 |
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struct HIGHT_Info : public FixedBlockSize<8>, public FixedKeyLength<16> |
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{ |
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static const std::string StaticAlgorithmName() |
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{ |
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// Format is Cipher-Blocksize |
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return "HIGHT"; |
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} |
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}; |
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/// \brief HIGHT 64-bit block cipher |
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/// \details HIGHT provides 64-bit block size. The valid key size is 128-bits. |
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/// \note Crypto++ provides a byte oriented implementation |
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/// \sa <a href="http://www.cryptopp.com/wiki/HIGHT">HIGHT</a>, |
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/// <a href="https://seed.kisa.or.kr/">Korea Internet & Security |
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/// Agency</a> website |
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/// \since Crypto++ 8.0 |
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class CRYPTOPP_NO_VTABLE HIGHT : public HIGHT_Info, public BlockCipherDocumentation |
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{ |
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public: |
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/// \brief HIGHT block cipher transformation functions |
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/// \details Provides implementation common to encryption and decryption |
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/// \since Crypto++ 8.0 |
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class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<HIGHT_Info> |
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{ |
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protected: |
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void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs ¶ms); |
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FixedSizeSecBlock<byte, 136> m_rkey; |
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mutable FixedSizeSecBlock<word32, 8> m_xx; |
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}; |
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/// \brief Encryption transformation |
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/// \details Enc provides implementation for encryption transformation. |
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/// \since Crypto++ 8.0 |
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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 Decryption transformation |
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/// \details Dec provides implementation for decryption transformation. |
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/// \since Crypto++ 8.0 |
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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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typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; |
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typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; |
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}; |
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typedef HIGHT::Encryption HIGHTEncryption; |
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typedef HIGHT::Decryption HIGHTDecryption; |
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NAMESPACE_END |
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#endif // CRYPTOPP_HIGHT_H
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