Top Description Fields Constructors Methods

org.bouncycastle.crypto.agreement.kdf

public Class GSKKFDGenerator

Class Inheritance

extends Object
implements DigestDerivationFunction

java.lang.Object
org.bouncycastle.crypto.agreement.kdf.GSKKFDGenerator

All Implemented Interfaces

org.bouncycastle.crypto.DigestDerivationFunction, org.bouncycastle.crypto.DerivationFunction

Imports

org.bouncycastle.crypto.DataLengthException, .DerivationParameters, .Digest, .DigestDerivationFunction, org.bouncycastle.util.Arrays, .Pack

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

Field Summary

Modifier and Type	Field and Description
private byte[]	buf
private int	counter
private final Digest	digest
private byte[]	r
private byte[]	z

Constructor Summary

Access	Constructor and Description
public	GSKKFDGenerator(Digest digest)

Method Summary

Modifier and Type	Method and Description
public int	generateBytes(byte[] out, int outOff, int len) Implements org.bouncycastle.crypto.DerivationFunction.generateBytes.
public Digest	getDigest() Implements org.bouncycastle.crypto.DigestDerivationFunction.getDigest. return the message digest used as the basis for the function
public void	init(DerivationParameters param) Implements org.bouncycastle.crypto.DerivationFunction.init.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

buf	back to summary
private byte[] buf

counter	back to summary
private int counter

digest	back to summary
private final Digest digest

r	back to summary
private byte[] r

z	back to summary
private byte[] z

Constructor Detail

GSKKFDGenerator	back to summary
public GSKKFDGenerator(Digest digest)

Method Detail

generateBytes	back to summary
public int generateBytes(byte[] out, int outOff, int len) throws DataLengthException, IllegalArgumentException Implements org.bouncycastle.crypto.DerivationFunction.generateBytes.

getDigest

back to summary

public Digest getDigest()

Implements org.bouncycastle.crypto.DigestDerivationFunction.getDigest.

Doc from org.bouncycastle.crypto.DigestDerivationFunction.getDigest.

return the message digest used as the basis for the function

init	back to summary
public void init(DerivationParameters param) Implements org.bouncycastle.crypto.DerivationFunction.init.