/src/cryptopp/hight.h

Source
// hight.h - written and placed in the public domain by Kim Sung Hee and Jeffrey Walton
//           Based on "HIGHT: A New Block Cipher Suitable for Low-Resource Device"
//           by Deukjo Hong, Jaechul Sung, Seokhie Hong, Jongin Lim, Sangjin Lee,
//           Bon-Seok Koo, Changhoon Lee, Donghoon Chang, Jesang Lee, Kitae Jeong,
//           Hyun Kim, Jongsung Kim, and Seongtaek Chee

/// \file hight.h
/// \brief Classes for the HIGHT block cipher
/// \since Crypto++ 8.0

#ifndef CRYPTOPP_HIGHT_H
#define CRYPTOPP_HIGHT_H

#include "config.h"
#include "seckey.h"
#include "secblock.h"
#include "algparam.h"

NAMESPACE_BEGIN(CryptoPP)

/// \brief HIGHT block cipher information
/// \since Crypto++ 8.0
struct HIGHT_Info : public FixedBlockSize<8>, public FixedKeyLength<16>
{
    static const std::string StaticAlgorithmName()
    {
        // Format is Cipher-Blocksize
        return "HIGHT";
    }
};

/// \brief HIGHT 64-bit block cipher
/// \details HIGHT provides 64-bit block size. The valid key size is 128-bits.
/// \note Crypto++ provides a byte oriented implementation
/// \sa <a href="http://www.cryptopp.com/wiki/HIGHT">HIGHT</a>,
///   <a href="https://seed.kisa.or.kr/">Korea Internet &amp; Security
///   Agency</a> website
/// \since Crypto++ 8.0
class CRYPTOPP_NO_VTABLE HIGHT : public HIGHT_Info, public BlockCipherDocumentation
{
public:
    /// \brief HIGHT block cipher transformation functions
    /// \details Provides implementation common to encryption and decryption
    /// \since Crypto++ 8.0
    class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<HIGHT_Info>
    {
    protected:
        void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);

        FixedSizeSecBlock<byte, 136> m_rkey;
        mutable FixedSizeSecBlock<word32, 8> m_xx;
    };

    /// \brief Encryption transformation
    /// \details Enc provides implementation for encryption transformation.
    /// \since Crypto++ 8.0
    class CRYPTOPP_NO_VTABLE Enc : public Base
    {
    public:
        void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
    };

    /// \brief Decryption transformation
    /// \details Dec provides implementation for decryption transformation.
    /// \since Crypto++ 8.0
    class CRYPTOPP_NO_VTABLE Dec : public Base
    {
    public:
        void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
    };

    typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
    typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
};

typedef HIGHT::Encryption HIGHTEncryption;
typedef HIGHT::Decryption HIGHTDecryption;

NAMESPACE_END

#endif  // CRYPTOPP_HIGHT_H

Line	Count	Source
1		// hight.h - written and placed in the public domain by Kim Sung Hee and Jeffrey Walton
2		// Based on "HIGHT: A New Block Cipher Suitable for Low-Resource Device"
3		// by Deukjo Hong, Jaechul Sung, Seokhie Hong, Jongin Lim, Sangjin Lee,
4		// Bon-Seok Koo, Changhoon Lee, Donghoon Chang, Jesang Lee, Kitae Jeong,
5		// Hyun Kim, Jongsung Kim, and Seongtaek Chee
6
7		/// \file hight.h
8		/// \brief Classes for the HIGHT block cipher
9		/// \since Crypto++ 8.0
10
11		#ifndef CRYPTOPP_HIGHT_H
12		#define CRYPTOPP_HIGHT_H
13
14		#include "config.h"
15		#include "seckey.h"
16		#include "secblock.h"
17		#include "algparam.h"
18
19		NAMESPACE_BEGIN(CryptoPP)
20
21		/// \brief HIGHT block cipher information
22		/// \since Crypto++ 8.0
23		struct HIGHT_Info : public FixedBlockSize<8>, public FixedKeyLength<16>
24		{
25		static const std::string StaticAlgorithmName()
26	10	{
27		// Format is Cipher-Blocksize
28	10	return "HIGHT";
29	10	}
30		};
31
32		/// \brief HIGHT 64-bit block cipher
33		/// \details HIGHT provides 64-bit block size. The valid key size is 128-bits.
34		/// \note Crypto++ provides a byte oriented implementation
35		/// \sa <a href="http://www.cryptopp.com/wiki/HIGHT">HIGHT</a>,
36		/// <a href="https://seed.kisa.or.kr/">Korea Internet & Security
37		/// Agency</a> website
38		/// \since Crypto++ 8.0
39		class CRYPTOPP_NO_VTABLE HIGHT : public HIGHT_Info, public BlockCipherDocumentation
40		{
41		public:
42		/// \brief HIGHT block cipher transformation functions
43		/// \details Provides implementation common to encryption and decryption
44		/// \since Crypto++ 8.0
45		class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<HIGHT_Info>
46		{
47		protected:
48		void UncheckedSetKey(const byte *userKey, unsigned int keyLength, const NameValuePairs &params);
49
50		FixedSizeSecBlock<byte, 136> m_rkey;
51		mutable FixedSizeSecBlock<word32, 8> m_xx;
52		};
53
54		/// \brief Encryption transformation
55		/// \details Enc provides implementation for encryption transformation.
56		/// \since Crypto++ 8.0
57		class CRYPTOPP_NO_VTABLE Enc : public Base
58		{
59		public:
60		void ProcessAndXorBlock(const byte inBlock, const byte xorBlock, byte *outBlock) const;
61		};
62
63		/// \brief Decryption transformation
64		/// \details Dec provides implementation for decryption transformation.
65		/// \since Crypto++ 8.0
66		class CRYPTOPP_NO_VTABLE Dec : public Base
67		{
68		public:
69		void ProcessAndXorBlock(const byte inBlock, const byte xorBlock, byte *outBlock) const;
70		};
71
72		typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption;
73		typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;
74		};
75
76		typedef HIGHT::Encryption HIGHTEncryption;
77		typedef HIGHT::Decryption HIGHTDecryption;
78
79		NAMESPACE_END
80
81		#endif // CRYPTOPP_HIGHT_H

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Created: 2024-11-21 07:03