1 /* DSAPublicKeySpec.java --- DSA Public Key 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 import java.math.BigInteger; 41 42 /** 43 DSA Public Key class Specification. Used to maintain the DSA 44 Public Keys. 45 46 @since JDK 1.2 47 48 @author Mark Benvenuto 49 */ 50 public class DSAPublicKeySpec implements KeySpec 51 { 52 private BigInteger y = null; 53 private BigInteger p = null; 54 private BigInteger q = null; 55 private BigInteger g = null; 56 57 /** 58 Constructs a new DSAPublicKeySpec with the specified y, p, q, and g. 59 60 @param y the public key 61 @param p the prime 62 @param q the sub-prime 63 @param g the base 64 */ DSAPublicKeySpec(BigInteger y, BigInteger p, BigInteger q, BigInteger g)65 public DSAPublicKeySpec(BigInteger y, BigInteger p, BigInteger q, BigInteger g) 66 { 67 this.y = y; 68 this.p = p; 69 this.q = q; 70 this.g = g; 71 } 72 73 /** 74 Returns public key y for the DSA algorithm. 75 76 @return Returns the requested BigInteger 77 */ getY()78 public BigInteger getY() 79 { 80 return this.y; 81 } 82 83 /** 84 Returns p for the DSA algorithm. 85 86 @return Returns the requested BigInteger 87 */ getP()88 public BigInteger getP() 89 { 90 return this.p; 91 } 92 93 /** 94 Returns p for the DSA algorithm. 95 96 @return Returns the requested BigInteger 97 */ getQ()98 public BigInteger getQ() 99 { 100 return this.q; 101 } 102 103 /** 104 Returns g for the DSA algorithm. 105 106 @return Returns the requested BigInteger 107 */ getG()108 public BigInteger getG() 109 { 110 return this.g; 111 } 112 113 } 114