LSH256 Class Reference

LSH-256 hash function. More...

#include <lsh.h>

Inheritance diagram for LSH256:

Public Member Functions
	LSH256 ()
	Construct a LSH-256.
std::string	AlgorithmName () const
	Provides the name of this algorithm.
Public Member Functions inherited from LSH256_Base
unsigned int	BlockSize () const
	Provides the block size of the compression function.
unsigned int	DigestSize () const
	Provides the digest size of the hash.
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
	Provides the tag size of the hash.
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.

Static Public Attributes
static const int	DIGESTSIZE = 32
	Digest size, in bytes.
static const int	BLOCKSIZE = LSH256_Base::BLOCKSIZE
	Block size, in bytes.
Static Public Attributes inherited from LSH256_Base
static const int	BLOCKSIZE = 128
	Block size, in bytes.

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

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.

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.

Member Data Documentation

DIGESTSIZE

const int LSH256::DIGESTSIZE = 32

static

Digest size, in bytes.

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

Definition at line 111 of file lsh.h.

BLOCKSIZE

const int LSH256::BLOCKSIZE = LSH256_Base::BLOCKSIZE

static

Block size, in bytes.

LSH_256 uses LSH256_MSG_BLK_BYTE_LEN for block size, which is 128

Definition at line 114 of file lsh.h.

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

• lsh.h