J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package javax.crypto.spec; |
| 27 | |
| 28 | import java.math.BigInteger; |
| 29 | |
| 30 | /** |
| 31 | * This class specifies a Diffie-Hellman private key with its associated |
| 32 | * parameters. |
| 33 | * |
| 34 | * <p>Note that this class does not perform any validation on specified |
| 35 | * parameters. Thus, the specified values are returned directly even |
| 36 | * if they are null. |
| 37 | * |
| 38 | * @author Jan Luehe |
| 39 | * |
| 40 | * @see DHPublicKeySpec |
| 41 | * @since 1.4 |
| 42 | */ |
| 43 | public class DHPrivateKeySpec implements java.security.spec.KeySpec { |
| 44 | |
| 45 | // The private value |
| 46 | private BigInteger x; |
| 47 | |
| 48 | // The prime modulus |
| 49 | private BigInteger p; |
| 50 | |
| 51 | // The base generator |
| 52 | private BigInteger g; |
| 53 | |
| 54 | /** |
| 55 | * Constructor that takes a private value <code>x</code>, a prime |
| 56 | * modulus <code>p</code>, and a base generator <code>g</code>. |
| 57 | * @param x private value x |
| 58 | * @param p prime modulus p |
| 59 | * @param g base generator g |
| 60 | */ |
| 61 | public DHPrivateKeySpec(BigInteger x, BigInteger p, BigInteger g) { |
| 62 | this.x = x; |
| 63 | this.p = p; |
| 64 | this.g = g; |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * Returns the private value <code>x</code>. |
| 69 | * |
| 70 | * @return the private value <code>x</code> |
| 71 | */ |
| 72 | public BigInteger getX() { |
| 73 | return this.x; |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | * Returns the prime modulus <code>p</code>. |
| 78 | * |
| 79 | * @return the prime modulus <code>p</code> |
| 80 | */ |
| 81 | public BigInteger getP() { |
| 82 | return this.p; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Returns the base generator <code>g</code>. |
| 87 | * |
| 88 | * @return the base generator <code>g</code> |
| 89 | */ |
| 90 | public BigInteger getG() { |
| 91 | return this.g; |
| 92 | } |
| 93 | } |