Package org.bouncycastle.crypto.agreement.kdf

Class GSKKFDGenerator

java.lang.Object

org.bouncycastle.crypto.agreement.kdf.GSKKFDGenerator

All Implemented Interfaces:

DerivationFunction, DigestDerivationFunction

public class GSKKFDGenerator
extends Object
implements DigestDerivationFunction

BSI Key Derivation Function for Session Keys (see BSI-TR-03111 Section 4.3.3)

Constructor Summary

Constructors

Constructor	Description
GSKKFDGenerator(Digest digest)

Method Summary

Modifier and Type	Method	Description
int	generateBytes(byte[] out, int outOff, int len)
Digest	getDigest()	return the message digest used as the basis for the function
void	init(DerivationParameters param)

Methods inherited from class java.lang.Object

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

Constructor Details

GSKKFDGenerator

public GSKKFDGenerator(Digest digest)

Method Details

getDigest

public Digest getDigest()

Description copied from interface: DigestDerivationFunction

return the message digest used as the basis for the function

Specified by:

getDigest in interface DigestDerivationFunction

init

public void init(DerivationParameters param)

Specified by:

init in interface DerivationFunction

generateBytes

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

Specified by:

generateBytes in interface DerivationFunction

Throws:

DataLengthException

IllegalArgumentException