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    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 a DSA private key with its associated parameters.
   32    *
   33    * @author Jan Luehe
   34    *
   35    *
   36    * @see java.security.Key
   37    * @see java.security.KeyFactory
   38    * @see KeySpec
   39    * @see DSAPublicKeySpec
   40    * @see PKCS8EncodedKeySpec
   41    *
   42    * @since 1.2
   43    */
   44   
   45   public class DSAPrivateKeySpec implements KeySpec {
   46   
   47       private BigInteger x;
   48       private BigInteger p;
   49       private BigInteger q;
   50       private BigInteger g;
   51   
   52       /**
   53        * Creates a new DSAPrivateKeySpec with the specified parameter values.
   54        *
   55        * @param x the private key.
   56        *
   57        * @param p the prime.
   58        *
   59        * @param q the sub-prime.
   60        *
   61        * @param g the base.
   62        */
   63       public DSAPrivateKeySpec(BigInteger x, BigInteger p, BigInteger q,
   64                                BigInteger g) {
   65           this.x = x;
   66           this.p = p;
   67           this.q = q;
   68           this.g = g;
   69       }
   70   
   71       /**
   72        * Returns the private key <code>x</code>.
   73        *
   74        * @return the private key <code>x</code>.
   75        */
   76       public BigInteger getX() {
   77           return this.x;
   78       }
   79   
   80       /**
   81        * Returns the prime <code>p</code>.
   82        *
   83        * @return the prime <code>p</code>.
   84        */
   85       public BigInteger getP() {
   86           return this.p;
   87       }
   88   
   89       /**
   90        * Returns the sub-prime <code>q</code>.
   91        *
   92        * @return the sub-prime <code>q</code>.
   93        */
   94       public BigInteger getQ() {
   95           return this.q;
   96       }
   97   
   98       /**
   99        * Returns the base <code>g</code>.
  100        *
  101        * @return the base <code>g</code>.
  102        */
  103       public BigInteger getG() {
  104           return this.g;
  105       }
  106   }

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