Source for gnu.javax.crypto.GnuDHPrivateKey

   1: /* GnuDHPrivateKey.java -- a Diffie-Hellman private key.
   2:    Copyright (C) 2005  Free Software Foundation, Inc.
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: 
  39: package gnu.javax.crypto;
  40: 
  41: import java.math.BigInteger;
  42: 
  43: import javax.crypto.interfaces.DHKey;
  44: import javax.crypto.interfaces.DHPrivateKey;
  45: import javax.crypto.spec.DHParameterSpec;
  46: 
  47: /**
  48:  * A Diffie-Hellman private key.
  49:  *
  50:  * @author Casey Marshall (csm@gnu.org)
  51:  */
  52: public class GnuDHPrivateKey implements DHPrivateKey
  53: {
  54: 
  55:   private final BigInteger x;
  56:   private final DHParameterSpec params;
  57: 
  58:   public GnuDHPrivateKey (final BigInteger x, final DHParameterSpec params)
  59:   {
  60:     x.getClass ();
  61:     params.getClass ();
  62:     this.x = x;
  63:     this.params = params;
  64:   }
  65: 
  66:   public DHParameterSpec getParams()
  67:   {
  68:     return params;
  69:   }
  70: 
  71:   public String getAlgorithm()
  72:   {
  73:     return "DiffieHellman";
  74:   }
  75: 
  76:   public String getFormat ()
  77:   {
  78:     return "NONE";
  79:   }
  80: 
  81:   public byte[] getEncoded ()
  82:   {
  83:     return null;
  84:   }
  85: 
  86:   public BigInteger getX ()
  87:   {
  88:     return x;
  89:   }
  90: }