1 /*
   2  * Copyright (c) 1998, 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 
  26 package java.security.interfaces;
  27 
  28 import java.math.BigInteger;
  29 
  30 /**
  31  * The interface to an RSA private key.
  32  *
  33  * @author Jan Luehe
  34  *
  35  *
  36  * @see RSAPrivateCrtKey
  37  */
  38 
  39 public interface RSAPrivateKey extends java.security.PrivateKey, RSAKey
  40 {
  41 
  42     /**
  43      * The type fingerprint that is set to indicate
  44      * serialization compatibility with a previous
  45      * version of the type.
  46      */
  47     static final long serialVersionUID = 5187144804936595022L;
  48 
  49     /**
  50      * Returns the private exponent.
  51      *
  52      * @return the private exponent
  53      */
  54     public BigInteger getPrivateExponent();
  55 }