Source for gnu.javax.crypto.key.GnuPBEKey

   1: /* GnuPBEKey.java -- A password-based encryption key.
   2:    Copyright (C) 2006  Free Software Foundation, Inc.
   3: 
   4: This file is a 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 of the License, or (at
   9: your option) 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; if not, write to the Free Software
  18: Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
  19: 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.key;
  40: 
  41: import javax.crypto.interfaces.PBEKey;
  42: import javax.crypto.spec.PBEKeySpec;
  43: 
  44: /**
  45:  * An implementation of a password-based encryption key.
  46:  *
  47:  * @author Casey Marshall (csm@gnu.org)
  48:  */
  49: public class GnuPBEKey
  50:   implements PBEKey
  51: {
  52:   private final PBEKeySpec spec;
  53: 
  54:   public GnuPBEKey (final PBEKeySpec spec)
  55:   {
  56:     if (spec == null)
  57:       throw new NullPointerException ();
  58:     this.spec = spec;
  59:   }
  60: 
  61:   public GnuPBEKey (char[] password, byte[] salt, int iterationCount)
  62:   {
  63:     this (new PBEKeySpec (password, salt, iterationCount));
  64:   }
  65: 
  66:   public int getIterationCount ()
  67:   {
  68:     return spec.getIterationCount ();
  69:   }
  70: 
  71:   public char[] getPassword ()
  72:   {
  73:     return spec.getPassword ();
  74:   }
  75: 
  76:   public byte[] getSalt ()
  77:   {
  78:     return spec.getSalt ();
  79:   }
  80: 
  81:   public String getAlgorithm ()
  82:   {
  83:     return "PBE";
  84:   }
  85: 
  86:   public String getFormat ()
  87:   {
  88:     return "NONE"; // FIXME?
  89:   }
  90: 
  91:   public byte[] getEncoded ()
  92:   {
  93:     return null; // FIXME?
  94:   }
  95: }