SMHmac Class Reference

Calculate a cryptographic HMAC (used by authentication algorithm) More...

#include <hmac.h>

Public Member Functions
	SMHmac (QCryptographicHash::Algorithm algo, const QByteArray &key)
	constructs an object that calculates HMACs More...
void	addData (const char *data, int length)
	adds length bytes of data to the hash-stream More...
void	addData (const QByteArray &data)
	adds data to the hash-stream More...
void	reset ()
	reset the hash to the state immediately after construction More...
QByteArray	result ()
	finalize the hash and return the result More...

Static Public Member Functions
static int	blockWidth (QCryptographicHash::Algorithm)
	returns the length of the blocks used internally in the given algorithm in bytes; this should have been implemented by QCryptographicHash! returns -1 if in doubt More...
static QByteArray	hmac (const QByteArray &data, const QByteArray &key, QCryptographicHash::Algorithm method)
	complete HMAC calculation in a can More...
static int	resultWidth (QCryptographicHash::Algorithm)
	returns the length of the results of given algorithm in bytes; this should have been implemented by QCryptographicHash! performs a test calculation if the algo is unknown More...

Detailed Description

Calculate a cryptographic HMAC (used by authentication algorithm)

Constructor & Destructor Documentation

SMHmac::SMHmac	(	QCryptographicHash::Algorithm	algo,
		const QByteArray &	key
	)

constructs an object that calculates HMACs

References blockWidth().

Member Function Documentation

void SMHmac::addData	(	const char *	data,
		int	length
	)

adds length bytes of data to the hash-stream

Referenced by hmac().

void SMHmac::addData

(

const QByteArray &

data

)

adds data to the hash-stream

int SMHmac::blockWidth ( QCryptographicHash::Algorithm  a )

static

returns the length of the blocks used internally in the given algorithm in bytes; this should have been implemented by QCryptographicHash! returns -1 if in doubt

Referenced by SMHmac().

QByteArray SMHmac::hmac ( const QByteArray &  data, const QByteArray &  key, QCryptographicHash::Algorithm  method  )

static

complete HMAC calculation in a can

References addData(), and result().

Referenced by EFilter::getRandom().

void SMHmac::reset

(

)

reset the hash to the state immediately after construction

QByteArray SMHmac::result

(

)

finalize the hash and return the result

Referenced by hmac().

int SMHmac::resultWidth ( QCryptographicHash::Algorithm  a )

static

returns the length of the results of given algorithm in bytes; this should have been implemented by QCryptographicHash! performs a test calculation if the algo is unknown

---

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

• hmac.h
• hmac.cpp