LSH-256 hash function. More...

#include <lsh.h>

Inheritance diagram for LSH256:

Public Member Functions
	CRYPTOPP_CONSTANT (DIGESTSIZE=32)
	Digest size, in bytes.

	CRYPTOPP_CONSTANT (BLOCKSIZE=LSH256_Base::BLOCKSIZE)
	Block size, in bytes.

	LSH256 ()
	Construct a LSH-256.

std::string	AlgorithmName () const
	Provides the name of this algorithm.

Public Member Functions inherited from LSH256_Base
	CRYPTOPP_CONSTANT (BLOCKSIZE=128)
	Block size, in bytes.

unsigned int	BlockSize () const
	Provides the block size of the compression function.

unsigned int	DigestSize () const

unsigned int	OptimalDataAlignment () const
	Provides input and output data alignment for optimal performance.

void	Restart ()
	Restart the hash.

void	Update (const byte *input, size_t size)
	Updates a hash with additional input.

void	TruncatedFinal (byte *hash, size_t size)
	Computes the hash of the current message.

std::string	AlgorithmProvider () const
	Retrieve the provider of this algorithm.

Public Member Functions inherited from HashTransformation
HashTransformation &	Ref ()
	Provides a reference to this object.

virtual byte *	CreateUpdateSpace (size_t &size)
	Request space which can be written into by the caller.

virtual void	Final (byte *digest)
	Computes the hash of the current message.

unsigned int	TagSize () const

virtual unsigned int	OptimalBlockSize () const
	Provides the input block size most efficient for this hash.

virtual void	CalculateDigest (byte digest, const byte input, size_t length)
	Updates the hash with additional input and computes the hash of the current message.

virtual bool	Verify (const byte *digest)
	Verifies the hash of the current message.

virtual bool	VerifyDigest (const byte digest, const byte input, size_t length)
	Updates the hash with additional input and verifies the hash of the current message.

virtual void	CalculateTruncatedDigest (byte digest, size_t digestSize, const byte input, size_t length)
	Updates the hash with additional input and computes the hash of the current message.

virtual bool	TruncatedVerify (const byte *digest, size_t digestLength)
	Verifies the hash of the current message.

virtual bool	VerifyTruncatedDigest (const byte digest, size_t digestLength, const byte input, size_t length)
	Updates the hash with additional input and verifies the hash of the current message.

Public Member Functions inherited from Algorithm
	Algorithm (bool checkSelfTestStatus=true)
	Interface for all crypto algorithms.

Public Member Functions inherited from Clonable
virtual Clonable *	Clone () const
	Copies this object.

Static Public Member Functions
static std::string	StaticAlgorithmName ()
	The algorithm's name.

Additional Inherited Members
Protected Member Functions inherited from LSH256_Base
	LSH256_Base (unsigned int algType, unsigned int digestSize)

Protected Member Functions inherited from HashTransformation
void	ThrowIfInvalidTruncatedSize (size_t size) const
	Validates a truncated digest size.

Protected Attributes inherited from LSH256_Base
FixedSizeSecBlock< word32, 80+2 >	m_state

word32	m_digestSize

Detailed Description

LSH-256 hash function.

See also: LSH on the Korea Internet & Security Agency (KISA) website.

Since: Crypto++ 8.6

Definition at line 106 of file lsh.h.

Constructor & Destructor Documentation

◆ LSH256()

LSH256::LSH256 ( )

inline

Construct a LSH-256.

LSH_TYPE_256 is the magic value 0x0000020 defined in lsh.cpp.

Definition at line 126 of file lsh.h.

Member Function Documentation

◆ AlgorithmName()

std::string LSH256::AlgorithmName ( ) const

inlinevirtual

Provides the name of this algorithm.

Returns: the standard algorithm name

The standard algorithm name can be a name like AES or AES/GCM. Some algorithms do not have standard names yet. For example, there is no standard algorithm name for Shoup's ECIES.

Note: AlgorithmName is not universally implemented yet.

Reimplemented from Algorithm.

Definition at line 128 of file lsh.h.

◆ CRYPTOPP_CONSTANT() [1/2]

LSH256::CRYPTOPP_CONSTANT ( BLOCKSIZE = LSH256_Base::BLOCKSIZE )

Block size, in bytes.

LSH_256 uses LSH256_MSG_BLK_BYTE_LEN for block size, which is 128

◆ CRYPTOPP_CONSTANT() [2/2]

LSH256::CRYPTOPP_CONSTANT ( DIGESTSIZE = 32 )

Digest size, in bytes.

LSH_256 uses LSH_GET_HASHBYTE(algType) for digest size, which is 32

◆ StaticAlgorithmName()

static std::string LSH256::StaticAlgorithmName ( )

inlinestatic

The algorithm's name.

Returns: the standard algorithm name

The standard algorithm name can be a name like AES or AES/GCM. Some algorithms do not have standard names yet. For example, there is no standard algorithm name for Shoup's ECIES.

Note: StaticAlgorithmName is not universally implemented yet.

Definition at line 122 of file lsh.h.

The documentation for this class was generated from the following file:

G:/work/subversion/scol-technologies/trunk/scol/plugins/security/cryptopp/lsh.h

Public Member Functions

Static Public Member Functions

Additional Inherited Members