GrayLib::cHashSHA1Builder Class Reference

#include <cHashSHA1.h>

Inheritance diagram for GrayLib::cHashSHA1Builder:

Public Member Functions
	cHashSHA1Builder ()
virtual	~cHashSHA1Builder ()
virtual void	ResetHash () override
virtual void	ProcessHashBuffer (const BYTE pBuffer[64]) override
virtual void	AddToHash (const void *pInput, size_t nInputSize) override
	Digest update function. More...
virtual size_t	FinalizeHash (BYTE *pOutput) override
virtual void	InitHmac (const BYTE *pKey, size_t nKeySize) override
	SHA-1 HMAC. More...
virtual size_t	FinalizeHmac (BYTE pOutput[20]) override
virtual void	ResetHmac () override
Public Member Functions inherited from GrayLib::cHashBase
virtual	~cHashBase ()
virtual void	ProcessHashBuffer (const BYTE *pBuffer)
virtual size_t	FinalizeHash (OUT BYTE *pOutput)=0
	Digest finalization function. More...
size_t	ComputeHash (BYTE *pOutput, const void *pInput, size_t nInputSize)
virtual size_t	FinalizeHmac (OUT BYTE *pOutput)
	HMAC finalization function. More...
size_t	ComputeHmac (BYTE *pOutput, const BYTE *pKey, size_t nKeySize, const void *pInput, size_t nInputSize)
void	AddToHashFromBlock (const cHeapBlock &m)
	Helpers. More...
StrLen_t	AddToHashFromStr (const char *pszStr)
HRESULT	AddToHashFromStream (cStreamInput &file, IStreamProgressCallback *pProgress=nullptr)
HRESULT	AddToHashFromFile (const FILECHAR_t *pszFileName, IStreamProgressCallback *pProgress=nullptr)
HRESULT	ComputeHashFromStream (OUT BYTE *pOutput, cStreamInput &fin, IStreamProgressCallback *pProgress=nullptr)
HRESULT	ComputeHashFromFile (OUT BYTE *pOutput, const FILECHAR_t *pszFileName, IStreamProgressCallback *pProgress=nullptr)
Public Member Functions inherited from Gray::CObject
virtual	~CObject ()
virtual bool	isValidCheck () const noexcept
	< memory allocation and structure definitions are valid. More...
virtual void	AssertValid () const
	< memory allocation and structure definitions are valid. More...
virtual void	Serialize (cArchive &a)

Public Attributes
UINT32	m_total [2]
	number of bytes processed More...
UINT32	m_state [5]
	intermediate digest state More...
BYTE	m_buffer [64]
	data block being processed More...
BYTE	m_ipad [64]
	HMAC: inner padding. More...
BYTE	m_opad [64]
	HMAC: outer padding. More...

Static Public Attributes
static const size_t	k_HashSize = 20
Static Public Attributes inherited from GrayLib::cHashBase
static const BYTE	k_Padding [128]
	0x80 followed by zeros. More...
static const size_t	k_HashSizeMax = 64
	Largest hash k_HashSize that we support. in bytes. More...

Detailed Description

SHA-1 (SHA160) builder

Note

SHA1 is used by Gnutella for hashing files. declared NOT safe in 2015.

Constructor & Destructor Documentation

cHashSHA1Builder()

GrayLib::cHashSHA1Builder::cHashSHA1Builder ( )

inline

~cHashSHA1Builder()

virtual GrayLib::cHashSHA1Builder::~cHashSHA1Builder ( )

inlinevirtual

Member Function Documentation

AddToHash()

void GrayLib::cHashSHA1Builder::AddToHash ( const void *  pInput, size_t  nInputSize  )

overridevirtual

Digest update function.

Implements GrayLib::cHashBase.

FinalizeHash()

size_t GrayLib::cHashSHA1Builder::FinalizeHash ( BYTE *  pOutput )

overridevirtual

FinalizeHmac()

size_t GrayLib::cHashSHA1Builder::FinalizeHmac ( BYTE  pOutput[20] )

overridevirtual

InitHmac()

void GrayLib::cHashSHA1Builder::InitHmac ( const BYTE *  pKey, size_t  nKeySize  )

overridevirtual

SHA-1 HMAC.

Reimplemented from GrayLib::cHashBase.

ProcessHashBuffer()

void GrayLib::cHashSHA1Builder::ProcessHashBuffer ( const BYTE  pBuffer[64] )

overridevirtual

Internal use. sizeof(this->m_buffer)

ResetHash()

void GrayLib::cHashSHA1Builder::ResetHash ( )

overridevirtual

Implements GrayLib::cHashBase.

ResetHmac()

void GrayLib::cHashSHA1Builder::ResetHmac ( )

overridevirtual

Reimplemented from GrayLib::cHashBase.

Member Data Documentation

k_HashSize

const size_t GrayLib::cHashSHA1Builder::k_HashSize = 20

static

m_buffer

BYTE GrayLib::cHashSHA1Builder::m_buffer[64]

data block being processed

m_ipad

BYTE GrayLib::cHashSHA1Builder::m_ipad[64]

HMAC: inner padding.

m_opad

BYTE GrayLib::cHashSHA1Builder::m_opad[64]

HMAC: outer padding.

m_state

UINT32 GrayLib::cHashSHA1Builder::m_state[5]

intermediate digest state

m_total

UINT32 GrayLib::cHashSHA1Builder::m_total[2]

number of bytes processed

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

• c:/Dennis/Source/Gray/GrayLib/include/Hash/cHashSHA1.h
• c:/Dennis/Source/Gray/GrayLib/src/Hash/cHashSHA1.cpp