/* * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.security.spec; import java.math.BigInteger; /** * This class specifies a DSA public key with its associated parameters. * * @author Jan Luehe * * * @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; } }