Source for java.security.spec.DSAParameterSpec

   1: /* DSAParameterSpec.java --- DSA Parameter Specificaton class
   2:    Copyright (C) 1999, 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 java.security.spec;
  40: 
  41: import java.math.BigInteger;
  42: import java.security.interfaces.DSAParams;
  43: 
  44: /**
  45:  * DSA Parameter class Specification. Used to maintain the DSA
  46:  * Parameters.
  47:  *
  48:  * @since 1.2
  49:  *
  50:  * @author Mark Benvenuto
  51: */
  52: public class DSAParameterSpec implements AlgorithmParameterSpec, DSAParams
  53: {
  54:   private BigInteger p = null;
  55:   private BigInteger q = null;
  56:   private BigInteger g = null;
  57: 
  58:   /**
  59:    * Constructs a new DSAParameterSpec with the specified p, q, and g.
  60:    *
  61:    * @param p the prime
  62:    * @param q the sub-prime
  63:    * @param g the base
  64:    */
  65:   public DSAParameterSpec(BigInteger p, BigInteger q, BigInteger g) 
  66:   {
  67:     this.p = p;
  68:     this.q = q;
  69:     this.g = g;
  70:   }
  71:   
  72:   /**
  73:    * Returns p for the DSA algorithm.
  74:    *
  75:    * @return Returns the requested BigInteger
  76:    */
  77:   public BigInteger getP() 
  78:   {
  79:     return this.p;
  80:   }
  81: 
  82:   /**
  83:    * Returns p for the DSA algorithm.
  84:    *
  85:    * @return Returns the requested BigInteger
  86:    */
  87:   public BigInteger getQ() 
  88:   {
  89:     return this.q;
  90:   }
  91: 
  92:   /**
  93:    * Returns g for the DSA algorithm.
  94:    *
  95:    * @return Returns the requested BigInteger
  96:    */
  97:   public BigInteger getG()
  98:   {
  99:     return this.g;
 100:   }