javax.crypto.spec
Class DHPublicKeySpec

java.lang.Object
  javax.crypto.spec.DHPublicKeySpec

All Implemented Interfaces:

KeySpec

public class DHPublicKeySpec
extends Object
implements KeySpec

This class specifies a Diffie-Hellman public key with its associated parameters.

Version:

$Id: DHPublicKeySpec.java 1913 2007-08-08 02:41:53Z jpeters $

Author:

Patric Kabus, Jan Peters

Field Summary

private BigInteger	g_ Base generator g.
private BigInteger	p_ Prime modulus p.
private BigInteger	y_ Public value y.

Constructor Summary

DHPublicKeySpec(BigInteger y, BigInteger p, BigInteger g)
Constructor that takes a public value y, a prime modulus p, and a base generator g.

Method Summary

BigInteger	getG() Returns the base generator g.
BigInteger	getP() Returns the prime modulus p.
BigInteger	getY() Returns the public value y.

Methods inherited from class java.lang.Object

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

Field Detail

y_

private BigInteger y_

Public value y.

g_

private BigInteger g_

Base generator g.

p_

private BigInteger p_

Prime modulus p.

Constructor Detail

DHPublicKeySpec

public DHPublicKeySpec(BigInteger y,
                       BigInteger p,
                       BigInteger g)

Constructor that takes a public value y, a prime modulus p, and a base generator g.

Parameters:

y - public value y.

p - prime modulus p.

g - base generator g.

Method Detail

getY

public BigInteger getY()

Returns the public value y.

Returns:

the public value y.

getP

public BigInteger getP()

Returns the prime modulus p.

Returns:

the prime modulus p.

getG

public BigInteger getG()

Returns the base generator g.

Returns:

the base generator g.