1/*
2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. 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.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package java.security.spec;
27
28import 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 *
36 * @see AlgorithmParameterSpec
37 *
38 * @since 1.2
39 */
40
41public class DSAParameterSpec implements AlgorithmParameterSpec,
42java.security.interfaces.DSAParams {
43
44    BigInteger p;
45    BigInteger q;
46    BigInteger g;
47
48    /**
49     * Creates a new DSAParameterSpec with the specified parameter values.
50     *
51     * @param p the prime.
52     *
53     * @param q the sub-prime.
54     *
55     * @param g the base.
56     */
57    public DSAParameterSpec(BigInteger p, BigInteger q, BigInteger g) {
58        this.p = p;
59        this.q = q;
60        this.g = g;
61    }
62
63    /**
64     * Returns the prime {@code p}.
65     *
66     * @return the prime {@code p}.
67     */
68    public BigInteger getP() {
69        return this.p;
70    }
71
72    /**
73     * Returns the sub-prime {@code q}.
74     *
75     * @return the sub-prime {@code q}.
76     */
77    public BigInteger getQ() {
78        return this.q;
79    }
80
81    /**
82     * Returns the base {@code g}.
83     *
84     * @return the base {@code g}.
85     */
86    public BigInteger getG() {
87        return this.g;
88    }
89}
90