Source for javax.crypto.spec.DHGenParameterSpec

   1: /* DHGenParameterSpec.java -- Diffie-Hellman parameter generator spec.
   2:    Copyright (C) 2004  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 javax.crypto.spec;
  40: 
  41: import java.security.spec.AlgorithmParameterSpec;
  42: 
  43: /**
  44:  * This class represents the parameters needed for generating
  45:  * Diffie-Hellman parameters.
  46:  *
  47:  * @author Casey Marshall (csm@gnu.org)
  48:  * @since 1.4
  49:  * @see DHParameterSpec
  50:  */
  51: public class DHGenParameterSpec implements AlgorithmParameterSpec
  52: {
  53: 
  54:   // Variables.
  55:   // ------------------------------------------------------------------------
  56: 
  57:   /** The length of the prime, in bits. */
  58:   private int primeSize;
  59: 
  60:   /** The length of the exponent, in bits. */
  61:   private int exponentSize;
  62: 
  63:   // Constructor.
  64:   // ------------------------------------------------------------------------
  65: 
  66:   /**
  67:    * Create a new Diffie-Hellman parameter generator spec.
  68:    *
  69:    * @param primeSize The size of the prime, in bits.
  70:    * @param exponentSize The size of the exponent, in bits.
  71:    */
  72:   public DHGenParameterSpec(int primeSize, int exponentSize)
  73:   {
  74:     this.primeSize = primeSize;
  75:     this.exponentSize = exponentSize;
  76:   }
  77: 
  78:   // Intance methods.
  79:   // ------------------------------------------------------------------------
  80: 
  81:   /**
  82:    * Get the size of the exponent, in bits.
  83:    *
  84:    * @return The exponent size.
  85:    */
  86:   public int getExponentSize()
  87:   {
  88:     return exponentSize;
  89:   }
  90: 
  91:   /**
  92:    * Get the size of the prime, in bits.
  93:    *
  94:    * @return The prime size.
  95:    */
  96:   public int getPrimeSize()
  97:   {
  98:     return primeSize;
  99:   }
 100: }