J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2002 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | package sun.security.x509; |
| 26 | |
| 27 | import java.io.IOException; |
| 28 | import java.io.InputStream; |
| 29 | import java.math.BigInteger; |
| 30 | |
| 31 | import sun.security.util.*; |
| 32 | |
| 33 | /** |
| 34 | * This class defines the SerialNumber class used by certificates. |
| 35 | * |
| 36 | * @author Amit Kapoor |
| 37 | * @author Hemma Prafullchandra |
| 38 | */ |
| 39 | public class SerialNumber { |
| 40 | private BigInteger serialNum; |
| 41 | |
| 42 | // Construct the class from the DerValue |
| 43 | private void construct(DerValue derVal) throws IOException { |
| 44 | serialNum = derVal.getBigInteger(); |
| 45 | if (derVal.data.available() != 0) { |
| 46 | throw new IOException("Excess SerialNumber data"); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | /** |
| 51 | * The default constructor for this class using BigInteger. |
| 52 | * |
| 53 | * @param num the BigInteger number used to create the serial number. |
| 54 | */ |
| 55 | public SerialNumber(BigInteger num) { |
| 56 | serialNum = num; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * The default constructor for this class using int. |
| 61 | * |
| 62 | * @param num the BigInteger number used to create the serial number. |
| 63 | */ |
| 64 | public SerialNumber(int num) { |
| 65 | serialNum = BigInteger.valueOf(num); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Create the object, decoding the values from the passed DER stream. |
| 70 | * |
| 71 | * @param in the DerInputStream to read the SerialNumber from. |
| 72 | * @exception IOException on decoding errors. |
| 73 | */ |
| 74 | public SerialNumber(DerInputStream in) throws IOException { |
| 75 | DerValue derVal = in.getDerValue(); |
| 76 | construct(derVal); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Create the object, decoding the values from the passed DerValue. |
| 81 | * |
| 82 | * @param val the DerValue to read the SerialNumber from. |
| 83 | * @exception IOException on decoding errors. |
| 84 | */ |
| 85 | public SerialNumber(DerValue val) throws IOException { |
| 86 | construct(val); |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Create the object, decoding the values from the passed stream. |
| 91 | * |
| 92 | * @param in the InputStream to read the SerialNumber from. |
| 93 | * @exception IOException on decoding errors. |
| 94 | */ |
| 95 | public SerialNumber(InputStream in) throws IOException { |
| 96 | DerValue derVal = new DerValue(in); |
| 97 | construct(derVal); |
| 98 | } |
| 99 | |
| 100 | /** |
| 101 | * Return the SerialNumber as user readable string. |
| 102 | */ |
| 103 | public String toString() { |
| 104 | return ("SerialNumber: [" + Debug.toHexString(serialNum) + "]"); |
| 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Encode the SerialNumber in DER form to the stream. |
| 109 | * |
| 110 | * @param out the DerOutputStream to marshal the contents to. |
| 111 | * @exception IOException on errors. |
| 112 | */ |
| 113 | public void encode(DerOutputStream out) throws IOException { |
| 114 | out.putInteger(serialNum); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Return the serial number. |
| 119 | */ |
| 120 | public BigInteger getNumber() { |
| 121 | return serialNum; |
| 122 | } |
| 123 | } |