001 /* PSSParameterSpec.java -- 002 Copyright (C) 2003, Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 package java.security.spec; 039 040 /** 041 * An implementation of {@link AlgorithmParameterSpec} for the RSA PSS encoding 042 * scheme. 043 * 044 * @since 1.4 045 * @see AlgorithmParameterSpec 046 * @see java.security.Signature 047 */ 048 public class PSSParameterSpec implements AlgorithmParameterSpec 049 { 050 // Constants and fields 051 // -------------------------------------------------------------------------- 052 053 private int saltLen; 054 055 // Constructor(s) 056 // -------------------------------------------------------------------------- 057 058 /** 059 * Construct a new instance of <code>PSSParameterSpec</code> given a salt 060 * length. 061 * 062 * @param saltLen 063 * the length in bits of the salt. 064 * @throws IllegalArgumentException 065 * if <code>saltLen</code> is less than <code>0</code>. 066 */ 067 public PSSParameterSpec(int saltLen) 068 { 069 super(); 070 071 if (saltLen < 0) 072 throw new IllegalArgumentException(); 073 this.saltLen = saltLen; 074 } 075 076 // Class methods 077 // -------------------------------------------------------------------------- 078 079 // Instance methods 080 // -------------------------------------------------------------------------- 081 082 /** @return the length (in bits) of the salt. */ 083 public int getSaltLength() 084 { 085 return this.saltLen; 086 } 087 }