/*
* @(#)DSAPublicKeySpec.java 1.21 06/10/10
*
* Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*
*/
package java.security.spec;
import java.math.BigInteger;
/**
* This class specifies a DSA public key with its associated parameters.
*
* @author Jan Luehe
*
* @version 1.15, 02/02/00
*
* @see java.security.Key
* @see java.security.KeyFactory
* @see KeySpec
* @see DSAPrivateKeySpec
* @see X509EncodedKeySpec
*
* @since 1.2
*/
public class DSAPublicKeySpec implements KeySpec {
private BigInteger y;
private BigInteger p;
private BigInteger q;
private BigInteger g;
/**
* Creates a new DSAPublicKeySpec with the specified parameter values.
*
* @param y the public key.
*
* @param p the prime.
*
* @param q the sub-prime.
*
* @param g the base.
*/
public DSAPublicKeySpec(BigInteger y, BigInteger p, BigInteger q,
BigInteger g) {
this.y = y;
this.p = p;
this.q = q;
this.g = g;
}
/**
* Returns the public key <code>y</code>.
*
* @return the public key <code>y</code>.
*/
public BigInteger getY() {
return this.y;
}
/**
* Returns the prime <code>p</code>.
*
* @return the prime <code>p</code>.
*/
public BigInteger getP() {
return this.p;
}
/**
* Returns the sub-prime <code>q</code>.
*
* @return the sub-prime <code>q</code>.
*/
public BigInteger getQ() {
return this.q;
}
/**
* Returns the base <code>g</code>.
*
* @return the base <code>g</code>.
*/
public BigInteger getG() {
return this.g;
}
}