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.interfaces;
  27 
  28 import java.math.BigInteger;
  29 
  30 /**
  31  * The standard interface to a DSA private key. DSA (Digital Signature
  32  * Algorithm) is defined in NIST's FIPS-186.
  33  *
  34  * @see java.security.Key
  35  * @see java.security.Signature
  36  * @see DSAKey
  37  * @see DSAPublicKey
  38  *
  39  * @author Benjamin Renaud
  40  */
  41 public interface DSAPrivateKey extends DSAKey, java.security.PrivateKey {
  42 
  43     // Declare serialVersionUID to be compatible with JDK1.1
  44 
  45    /**
  46     * The class fingerprint that is set to indicate
  47     * serialization compatibility with a previous
  48     * version of the class.
  49     */
  50     static final long serialVersionUID = 7776497482533790279L;
  51 
  52     /**
  53      * Returns the value of the private key, <code>x</code>.
  54      *
  55      * @return the value of the private key, <code>x</code>.
  56      */
  57     public BigInteger getX();
  58 }