| /* |
| * Copyright (c) 1997, 2007, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 in the LICENSE file that |
| * accompanied this code). |
| * |
| * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.crypto.spec; |
| |
| import java.math.BigInteger; |
| |
| /** |
| * This class specifies a Diffie-Hellman public key with its associated |
| * parameters. |
| * |
| * <p>Note that this class does not perform any validation on specified |
| * parameters. Thus, the specified values are returned directly even |
| * if they are null. |
| * |
| * @author Jan Luehe |
| * |
| * @see DHPrivateKeySpec |
| * @since 1.4 |
| */ |
| public class DHPublicKeySpec implements java.security.spec.KeySpec { |
| |
| // The public value |
| private BigInteger y; |
| |
| // The prime modulus |
| private BigInteger p; |
| |
| // The base generator |
| private BigInteger g; |
| |
| /** |
| * Constructor that takes a public value <code>y</code>, a prime |
| * modulus <code>p</code>, and a base generator <code>g</code>. |
| * @param y public value y |
| * @param p prime modulus p |
| * @param g base generator g |
| */ |
| public DHPublicKeySpec(BigInteger y, BigInteger p, BigInteger g) { |
| this.y = y; |
| this.p = p; |
| this.g = g; |
| } |
| |
| /** |
| * Returns the public value <code>y</code>. |
| * |
| * @return the public value <code>y</code> |
| */ |
| public BigInteger getY() { |
| return this.y; |
| } |
| |
| /** |
| * Returns the prime modulus <code>p</code>. |
| * |
| * @return the prime modulus <code>p</code> |
| */ |
| public BigInteger getP() { |
| return this.p; |
| } |
| |
| /** |
| * Returns the base generator <code>g</code>. |
| * |
| * @return the base generator <code>g</code> |
| */ |
| public BigInteger getG() { |
| return this.g; |
| } |
| } |