01 /*
02 * Copyright 1997-1999 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * 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 java.security.spec;
27
28 import java.math.BigInteger;
29
30 /**
31 * This class specifies the set of parameters used with the DSA algorithm.
32 *
33 * @author Jan Luehe
34 *
35 * @version 1.23, 05/05/07
36 *
37 * @see AlgorithmParameterSpec
38 *
39 * @since 1.2
40 */
41
42 public class DSAParameterSpec implements AlgorithmParameterSpec,
43 java.security.interfaces.DSAParams {
44
45 BigInteger p;
46 BigInteger q;
47 BigInteger g;
48
49 /**
50 * Creates a new DSAParameterSpec with the specified parameter values.
51 *
52 * @param p the prime.
53 *
54 * @param q the sub-prime.
55 *
56 * @param g the base.
57 */
58 public DSAParameterSpec(BigInteger p, BigInteger q, BigInteger g) {
59 this .p = p;
60 this .q = q;
61 this .g = g;
62 }
63
64 /**
65 * Returns the prime <code>p</code>.
66 *
67 * @return the prime <code>p</code>.
68 */
69 public BigInteger getP() {
70 return this .p;
71 }
72
73 /**
74 * Returns the sub-prime <code>q</code>.
75 *
76 * @return the sub-prime <code>q</code>.
77 */
78 public BigInteger getQ() {
79 return this .q;
80 }
81
82 /**
83 * Returns the base <code>g</code>.
84 *
85 * @return the base <code>g</code>.
86 */
87 public BigInteger getG() {
88 return this.g;
89 }
90 }
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