org.bouncycastle.crypto.generators
Class DHParametersGenerator

java.lang.Object
  org.bouncycastle.crypto.generators.DHParametersGenerator

public class DHParametersGenerator
extends java.lang.Object

Field Summary

private int	certainty
private static java.math.BigInteger	ONE
private java.security.SecureRandom	random
private int	size
private static java.math.BigInteger	TWO

Constructor Summary

DHParametersGenerator()

Method Summary

DHParameters	generateParameters() which generates the p and g values from the given parameters, returning the DHParameters object.
void	init(int size, int certainty, java.security.SecureRandom random) Initialise the parameters generator.

Methods inherited from class java.lang.Object

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

Field Detail

size

private int size

certainty

private int certainty

random

private java.security.SecureRandom random

ONE

private static final java.math.BigInteger ONE

TWO

private static final java.math.BigInteger TWO

Constructor Detail

DHParametersGenerator

public DHParametersGenerator()

Method Detail

init

public void init(int size,
                 int certainty,
                 java.security.SecureRandom random)

Initialise the parameters generator.

Parameters:

size - bit length for the prime p

certainty - level of certainty for the prime number tests

random - a source of randomness

generateParameters

public DHParameters generateParameters()

which generates the p and g values from the given parameters, returning the DHParameters object.

Note: can take a while...