src/org/bouncycastle/asn1/x509/V2TBSCertListGenerator.java

   1 package org.bouncycastle.asn1.x509;
   2
   3 import java.io.*;
   4 import java.util.Vector;
   5 import java.util.Enumeration;
   6
   7 import org.bouncycastle.asn1.*;
   8
   9 /**
  10  * Generator for Version 2 TBSCertList structures.
  11  * <pre>
  12  *  TBSCertList  ::=  SEQUENCE  {
  13  *       version                 Version OPTIONAL,
  14  *                                    -- if present, shall be v2
  15  *       signature               AlgorithmIdentifier,
  16  *       issuer                  Name,
  17  *       thisUpdate              Time,
  18  *       nextUpdate              Time OPTIONAL,
  19  *       revokedCertificates     SEQUENCE OF SEQUENCE  {
  20  *            userCertificate         CertificateSerialNumber,
  21  *            revocationDate          Time,
  22  *            crlEntryExtensions      Extensions OPTIONAL
  23  *                                          -- if present, shall be v2
  24  *                                 }  OPTIONAL,
  25  *       crlExtensions           [0]  EXPLICIT Extensions OPTIONAL
  26  *                                          -- if present, shall be v2
  27  *                                 }
  28  * </pre>
  29  *
  30  * <b>Note: This class may be subject to change</b>
  31  */
  32 public class V2TBSCertListGenerator
  33 {
  34     DERInteger version = new DERInteger(1);
  35
  36     AlgorithmIdentifier     signature;
  37     X509Name                issuer;
  38     Time                    thisUpdate, nextUpdate=null;
  39     X509Extensions          extensions=null;
  40     private Vector          crlentries=null;
  41
  42     public V2TBSCertListGenerator()
  43     {
  44     }
  45
  46
  47     public void setSignature(
  48         AlgorithmIdentifier    signature)
  49     {
  50         this.signature = signature;
  51     }
  52
  53     public void setIssuer(
  54         X509Name    issuer)
  55     {
  56         this.issuer = issuer;
  57     }
  58
  59     public void setThisUpdate(
  60         DERUTCTime thisUpdate)
  61     {
  62         this.thisUpdate = new Time(thisUpdate);
  63     }
  64
  65     public void setNextUpdate(
  66         DERUTCTime nextUpdate)
  67     {
  68         this.nextUpdate = new Time(nextUpdate);
  69     }
  70
  71     public void setThisUpdate(
  72         Time thisUpdate)
  73     {
  74         this.thisUpdate = thisUpdate;
  75     }
  76
  77     public void setNextUpdate(
  78         Time nextUpdate)
  79     {
  80         this.nextUpdate = nextUpdate;
  81     }
  82
  83     public void addCRLEntry(
  84         DERConstructedSequence crlEntry)
  85     {
  86         if (crlentries == null)
  87             crlentries = new Vector();
  88         crlentries.addElement(crlEntry);
  89     }
  90
  91     public void addCRLEntry(DERInteger userCertificate, DERUTCTime revocationDate, int reason)
  92     {
  93         addCRLEntry(userCertificate, new Time(revocationDate), reason);
  94     }
  95
  96     public void addCRLEntry(DERInteger userCertificate, Time revocationDate, int reason)
  97     {
  98         DERConstructedSequence seq = new DERConstructedSequence();
  99         seq.addObject(userCertificate);
 100         seq.addObject(revocationDate);
 101
 102         if (reason != 0)
 103         {
 104             CRLReason rf = new CRLReason(reason);
 105             ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
 106             DEROutputStream         dOut = new DEROutputStream(bOut);
 107             try
 108             {
 109                 dOut.writeObject(rf);
 110             }
 111             catch (IOException e)
 112             {
 113                 throw new IllegalArgumentException("error encoding value: " + e);
 114             }
 115             byte[] value = bOut.toByteArray();
 116             DERConstructedSequence eseq = new DERConstructedSequence();
 117             DERConstructedSequence eseq1 = new DERConstructedSequence();
 118             eseq1.addObject(X509Extensions.ReasonCode);
 119             eseq1.addObject(new DEROctetString(value));
 120             eseq.addObject(eseq1);
 121             X509Extensions ex = new X509Extensions(eseq);
 122             seq.addObject(ex);
 123         }
 124         if (crlentries == null)
 125             crlentries = new Vector();
 126         crlentries.addElement(seq);
 127     }
 128
 129     public void setExtensions(
 130         X509Extensions    extensions)
 131     {
 132         this.extensions = extensions;
 133     }
 134
 135     public TBSCertList generateTBSCertList()
 136     {
 137         if ((signature == null) || (issuer == null) || (thisUpdate == null))
 138         {
 139             throw new IllegalStateException("Not all mandatory fields set in V2 TBSCertList generator.");
 140         }
 141
 142         DERConstructedSequence  seq = new DERConstructedSequence();
 143
 144         seq.addObject(version);
 145         seq.addObject(signature);
 146         seq.addObject(issuer);
 147
 148         seq.addObject(thisUpdate);
 149         if (nextUpdate != null)
 150             seq.addObject(nextUpdate);
 151
 152         // Add CRLEntries if they exist
 153         if (crlentries != null) {
 154             DERConstructedSequence certseq = new DERConstructedSequence();
 155             Enumeration it = crlentries.elements();
 156             while( it.hasMoreElements() ) {
 157                 certseq.addObject((DERConstructedSequence)it.nextElement());
 158             }
 159             seq.addObject(certseq);
 160         }
 161
 162         if (extensions != null)
 163         {
 164             seq.addObject(new DERTaggedObject(0, extensions));
 165         }
 166
 167         return new TBSCertList(seq);
 168     }
 169 }