107 lines
2.7 KiB
Java
107 lines
2.7 KiB
Java
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/*
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* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.security.spec;
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import java.math.BigInteger;
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/**
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* This class specifies a DSA public key with its associated parameters.
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*
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* @author Jan Luehe
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*
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*
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* @see java.security.Key
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* @see java.security.KeyFactory
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* @see KeySpec
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* @see DSAPrivateKeySpec
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* @see X509EncodedKeySpec
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*
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* @since 1.2
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*/
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public class DSAPublicKeySpec implements KeySpec {
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private BigInteger y;
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private BigInteger p;
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private BigInteger q;
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private BigInteger g;
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/**
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* Creates a new DSAPublicKeySpec with the specified parameter values.
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*
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* @param y the public key.
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*
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* @param p the prime.
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*
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* @param q the sub-prime.
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*
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* @param g the base.
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*/
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public DSAPublicKeySpec(BigInteger y, BigInteger p, BigInteger q,
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BigInteger g) {
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this.y = y;
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this.p = p;
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this.q = q;
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this.g = g;
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}
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/**
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* Returns the public key {@code y}.
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*
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* @return the public key {@code y}.
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*/
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public BigInteger getY() {
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return this.y;
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}
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/**
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* Returns the prime {@code p}.
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*
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* @return the prime {@code p}.
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*/
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public BigInteger getP() {
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return this.p;
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}
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/**
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* Returns the sub-prime {@code q}.
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*
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* @return the sub-prime {@code q}.
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*/
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public BigInteger getQ() {
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return this.q;
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}
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/**
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* Returns the base {@code g}.
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*
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* @return the base {@code g}.
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*/
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public BigInteger getG() {
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return this.g;
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}
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}
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