001/* DHGenParameterSpec.java -- Diffie-Hellman parameter generator spec. 002 Copyright (C) 2004 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package javax.crypto.spec; 040 041import java.security.spec.AlgorithmParameterSpec; 042 043/** 044 * This class represents the parameters needed for generating 045 * Diffie-Hellman parameters. 046 * 047 * @author Casey Marshall (csm@gnu.org) 048 * @since 1.4 049 * @see DHParameterSpec 050 */ 051public class DHGenParameterSpec implements AlgorithmParameterSpec 052{ 053 054 // Variables. 055 // ------------------------------------------------------------------------ 056 057 /** The length of the prime, in bits. */ 058 private int primeSize; 059 060 /** The length of the exponent, in bits. */ 061 private int exponentSize; 062 063 // Constructor. 064 // ------------------------------------------------------------------------ 065 066 /** 067 * Create a new Diffie-Hellman parameter generator spec. 068 * 069 * @param primeSize The size of the prime, in bits. 070 * @param exponentSize The size of the exponent, in bits. 071 */ 072 public DHGenParameterSpec(int primeSize, int exponentSize) 073 { 074 this.primeSize = primeSize; 075 this.exponentSize = exponentSize; 076 } 077 078 // Intance methods. 079 // ------------------------------------------------------------------------ 080 081 /** 082 * Get the size of the exponent, in bits. 083 * 084 * @return The exponent size. 085 */ 086 public int getExponentSize() 087 { 088 return exponentSize; 089 } 090 091 /** 092 * Get the size of the prime, in bits. 093 * 094 * @return The prime size. 095 */ 096 public int getPrimeSize() 097 { 098 return primeSize; 099 } 100}