Class KDFCounterHMacSHA256

java.lang.Object

com.hierynomus.security.jce.JceDerivationFunction

com.hierynomus.security.jce.derivationfunction.KDFCounterHMacSHA256

All Implemented Interfaces:

DerivationFunction

public class KDFCounterHMacSHA256
extends JceDerivationFunction

Field Summary

Fields

Modifier and Type	Field	Description
private byte[]	fixedSuffix
private Mac	mac
private int	maxLength

Constructor Summary

Constructors

Constructor	Description
KDFCounterHMacSHA256()

Method Summary

Modifier and Type	Method	Description
int	generateBytes(byte[] out, int outOff, int len)
void	init(DerivationParameters parameters)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

mac

private Mac mac

fixedSuffix

private byte[] fixedSuffix

maxLength

private int maxLength

Constructor Details

KDFCounterHMacSHA256

public KDFCounterHMacSHA256()
                     throws NoSuchAlgorithmException

Throws:

NoSuchAlgorithmException

Method Details

init

public void init(DerivationParameters parameters)
          throws SecurityException

Specified by:

init in interface DerivationFunction

Overrides:

init in class JceDerivationFunction

Throws:

SecurityException

generateBytes

public int generateBytes(byte[] out,
 int outOff,
 int len)

Specified by:

generateBytes in interface DerivationFunction

Overrides:

generateBytes in class JceDerivationFunction