org.bouncycastle.jcajce.spec.DHExtendedPublicKeySpec Maven / Gradle / Ivy
package org.bouncycastle.jcajce.spec;
import java.math.BigInteger;
import javax.crypto.spec.DHParameterSpec;
import javax.crypto.spec.DHPublicKeySpec;
/**
* A DHPublicKeySpec that also carries a set of DH domain parameters.
*/
public class DHExtendedPublicKeySpec
extends DHPublicKeySpec
{
private final DHParameterSpec params;
/**
* Base constructor.
*
* @param y the public value.
* @param params the domain parameter set.
*/
public DHExtendedPublicKeySpec(BigInteger y, DHParameterSpec params)
{
super(y, params.getP(), params.getG());
this.params = params;
}
/**
* Return the domain parameters associated with this key spec.
*
* @return the Diffie-Hellman domain parameters.
*/
public DHParameterSpec getParams()
{
return params;
}
}