94 lines
2.7 KiB
Java
94 lines
2.7 KiB
Java
/*
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* Copyright (c) 1997, 2007, 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 javax.crypto.spec;
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import java.math.BigInteger;
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/**
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* This class specifies a Diffie-Hellman private key with its associated
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* parameters.
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*
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* <p>Note that this class does not perform any validation on specified
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* parameters. Thus, the specified values are returned directly even
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* if they are null.
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*
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* @author Jan Luehe
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*
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* @see DHPublicKeySpec
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* @since 1.4
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*/
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public class DHPrivateKeySpec implements java.security.spec.KeySpec {
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// The private value
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private BigInteger x;
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// The prime modulus
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private BigInteger p;
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// The base generator
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private BigInteger g;
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/**
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* Constructor that takes a private value <code>x</code>, a prime
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* modulus <code>p</code>, and a base generator <code>g</code>.
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* @param x private value x
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* @param p prime modulus p
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* @param g base generator g
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*/
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public DHPrivateKeySpec(BigInteger x, BigInteger p, BigInteger g) {
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this.x = x;
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this.p = p;
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this.g = g;
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}
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/**
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* Returns the private value <code>x</code>.
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*
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* @return the private value <code>x</code>
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*/
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public BigInteger getX() {
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return this.x;
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}
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/**
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* Returns the prime modulus <code>p</code>.
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*
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* @return the prime modulus <code>p</code>
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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 base generator <code>g</code>.
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*
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* @return the base generator <code>g</code>
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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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