001 /* DSAParameterSpec.java --- DSA Parameter Specificaton class
002 Copyright (C) 1999, 2004 Free Software Foundation, Inc.
003
004 This file is part of GNU Classpath.
005
006 GNU Classpath is free software; you can redistribute it and/or modify
007 it under the terms of the GNU General Public License as published by
008 the Free Software Foundation; either version 2, or (at your option)
009 any later version.
010
011 GNU Classpath is distributed in the hope that it will be useful, but
012 WITHOUT ANY WARRANTY; without even the implied warranty of
013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014 General Public License for more details.
015
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017 along with GNU Classpath; see the file COPYING. If not, write to the
018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019 02110-1301 USA.
020
021 Linking this library statically or dynamically with other modules is
022 making a combined work based on this library. Thus, the terms and
023 conditions of the GNU General Public License cover the whole
024 combination.
025
026 As a special exception, the copyright holders of this library give you
027 permission to link this library with independent modules to produce an
028 executable, regardless of the license terms of these independent
029 modules, and to copy and distribute the resulting executable under
030 terms of your choice, provided that you also meet, for each linked
031 independent module, the terms and conditions of the license of that
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033 or based on this library. If you modify this library, you may extend
034 this exception to your version of the library, but you are not
035 obligated to do so. If you do not wish to do so, delete this
036 exception statement from your version. */
037
038
039 package java.security.spec;
040
041 import java.math.BigInteger;
042 import java.security.interfaces.DSAParams;
043
044 /**
045 * DSA Parameter class Specification. Used to maintain the DSA
046 * Parameters.
047 *
048 * @since 1.2
049 *
050 * @author Mark Benvenuto
051 */
052 public class DSAParameterSpec implements AlgorithmParameterSpec, DSAParams
053 {
054 private BigInteger p = null;
055 private BigInteger q = null;
056 private BigInteger g = null;
057
058 /**
059 * Constructs a new DSAParameterSpec with the specified p, q, and g.
060 *
061 * @param p the prime
062 * @param q the sub-prime
063 * @param g the base
064 */
065 public DSAParameterSpec(BigInteger p, BigInteger q, BigInteger g)
066 {
067 this.p = p;
068 this.q = q;
069 this.g = g;
070 }
071
072 /**
073 * Returns p for the DSA algorithm.
074 *
075 * @return Returns the requested BigInteger
076 */
077 public BigInteger getP()
078 {
079 return this.p;
080 }
081
082 /**
083 * Returns p for the DSA algorithm.
084 *
085 * @return Returns the requested BigInteger
086 */
087 public BigInteger getQ()
088 {
089 return this.q;
090 }
091
092 /**
093 * Returns g for the DSA algorithm.
094 *
095 * @return Returns the requested BigInteger
096 */
097 public BigInteger getG()
098 {
099 return this.g;
100 }
101 }