GrayLib::cHashSHA512Builder Class Reference

#include <cHashSHA512.h>

Inheritance diagram for GrayLib::cHashSHA512Builder:

Public Member Functions
	cHashSHA512Builder (bool is384=false)
virtual	~cHashSHA512Builder ()
void	SetZeroHash ()
virtual void	ResetHash () override
virtual void	ProcessHashBuffer (const BYTE pBuffer[128]) override
virtual void	AddToHash (const void *pInput, size_t nSizeIn) override
	Digest update function. More...
virtual size_t	FinalizeHash (BYTE *pOutput) override
virtual void	InitHmac (const BYTE *pKey, size_t nKeySize) override
virtual size_t	FinalizeHmac (BYTE pOutput[64]) 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
UINT64	m_total [2]
	number of bytes processed More...
UINT64	m_state [8]
	intermediate digest state More...
BYTE	m_buffer [128]
	data block being processed More...
BYTE	m_ipad [128]
	HMAC: inner padding. More...
BYTE	m_opad [128]
	HMAC: outer padding. More...
bool	m_is384
	0 => SHA-512 (64 bytes), else SHA-384 (48 bytes) More...

Static Public Attributes
static const size_t	k_HashSize = 64
static const UINT64	k_K [80]
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-512 (64 bytes) or 384 Builder (48 bytes) Build my SHA hash from some stream. NON reversible hash, but possible to brute force guess.

Constructor & Destructor Documentation

cHashSHA512Builder()

GrayLib::cHashSHA512Builder::cHashSHA512Builder ( bool  is384 = false )

inline

~cHashSHA512Builder()

virtual GrayLib::cHashSHA512Builder::~cHashSHA512Builder ( )

inlinevirtual

Member Function Documentation

AddToHash()

void GrayLib::cHashSHA512Builder::AddToHash ( const void *  pInput, size_t  nInputSize  )

overridevirtual

Digest update function.

Implements GrayLib::cHashBase.

FinalizeHash()

size_t GrayLib::cHashSHA512Builder::FinalizeHash ( BYTE *  pOutput )

overridevirtual

FinalizeHmac()

size_t GrayLib::cHashSHA512Builder::FinalizeHmac ( BYTE  pOutput[64] )

overridevirtual

InitHmac()

void GrayLib::cHashSHA512Builder::InitHmac ( const BYTE *  pKey, size_t  nKeySize  )

overridevirtual

Reimplemented from GrayLib::cHashBase.

ProcessHashBuffer()

void GrayLib::cHashSHA512Builder::ProcessHashBuffer ( const BYTE  pBuffer[128] )

overridevirtual

Internal use. sizeof(this->m_buffer)

ResetHash()

void GrayLib::cHashSHA512Builder::ResetHash ( )

overridevirtual

Implements GrayLib::cHashBase.

ResetHmac()

void GrayLib::cHashSHA512Builder::ResetHmac ( )

overridevirtual

Reimplemented from GrayLib::cHashBase.

SetZeroHash()

void GrayLib::cHashSHA512Builder::SetZeroHash ( )

inline

Member Data Documentation

k_HashSize

const size_t GrayLib::cHashSHA512Builder::k_HashSize = 64

static

k_K

const UINT64 GrayLib::cHashSHA512Builder::k_K

static

m_buffer

BYTE GrayLib::cHashSHA512Builder::m_buffer[128]

data block being processed

m_ipad

BYTE GrayLib::cHashSHA512Builder::m_ipad[128]

HMAC: inner padding.

m_is384

bool GrayLib::cHashSHA512Builder::m_is384

0 => SHA-512 (64 bytes), else SHA-384 (48 bytes)

m_opad

BYTE GrayLib::cHashSHA512Builder::m_opad[128]

HMAC: outer padding.

m_state

UINT64 GrayLib::cHashSHA512Builder::m_state[8]

intermediate digest state

m_total

UINT64 GrayLib::cHashSHA512Builder::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/cHashSHA512.h
• c:/Dennis/Source/Gray/GrayLib/src/Hash/cHashSHA512.cpp