1 /*
   2  * Copyright (c) 1997, 1999, 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 
  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  *
  36  * @see AlgorithmParameterSpec
  37  *
  38  * @since 1.2
  39  */
  40 
  41 public class DSAParameterSpec implements AlgorithmParameterSpec,
  42 java.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</code>.
  65      *
  66      * @return the prime <code>p</code>.
  67      */
  68     public BigInteger getP() {
  69         return this.p;
  70     }
  71 
  72     /**
  73      * Returns the sub-prime <code>q</code>.
  74      *
  75      * @return the sub-prime <code>q</code>.
  76      */
  77     public BigInteger getQ() {
  78         return this.q;
  79     }
  80 
  81     /**
  82      * Returns the base <code>g</code>.
  83      *
  84      * @return the base <code>g</code>.
  85      */
  86     public BigInteger getG() {
  87         return this.g;
  88     }
  89 }