Source for java.security.spec.PSSParameterSpec

   1: /* PSSParameterSpec.java --
   2:    Copyright (C) 2003, 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: package java.security.spec;
  39: 
  40: /**
  41:  * This class specifies a parameter spec for RSA PSS encoding scheme, as
  42:  * defined in the PKCS#1 v2.1.
  43:  *
  44:  * @since 1.4
  45:  * @see AlgorithmParameterSpec
  46:  * @see java.security.Signature
  47:  */
  48: public class PSSParameterSpec implements AlgorithmParameterSpec
  49: {
  50:   // Constants and fields
  51:   // --------------------------------------------------------------------------
  52: 
  53:   private int saltLen;
  54: 
  55:   // Constructor(s)
  56:   // --------------------------------------------------------------------------
  57: 
  58:   /**
  59:    * Creates a new <code>PSSParameterSpec</code> given the salt length as
  60:    * defined in PKCS#1.
  61:    *
  62:    * @param saltLen the length of salt in bits to be used in PKCS#1 PSS encoding.
  63:    * @throws IllegalArgumentException if <code>saltLen</code> is less than
  64:    * <code>0</code>.
  65:    */
  66:   public PSSParameterSpec(int saltLen)
  67:   {
  68:     super();
  69: 
  70:     if (saltLen < 0)
  71:       throw new IllegalArgumentException();
  72:     this.saltLen = saltLen;
  73:   }
  74: 
  75:   // Class methods
  76:   // --------------------------------------------------------------------------
  77: 
  78:   // Instance methods
  79:   // --------------------------------------------------------------------------
  80: 
  81:   /**
  82:    * Returns the salt length in bits.
  83:    *
  84:    * @return the salt length.
  85:    */
  86:   public int getSaltLength()
  87:   {
  88:     return this.saltLen;
  89:   }
  90: }