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

   1
   2 package org.bouncycastle.asn1.x509;
   3
   4 import org.bouncycastle.asn1.*;
   5 import org.bouncycastle.asn1.pkcs.*;
   6
   7 /**
   8  * PKIX RFC-2459
   9  *
  10  * The X.509 v2 CRL syntax is as follows.  For signature calculation,
  11  * the data that is to be signed is ASN.1 DER encoded.
  12  *
  13  * <pre>
  14  * CertificateList  ::=  SEQUENCE  {
  15  *      tbsCertList          TBSCertList,
  16  *      signatureAlgorithm   AlgorithmIdentifier,
  17  *      signatureValue       BIT STRING  }
  18  * </pre>
  19  */
  20 public class CertificateList
  21     implements DEREncodable
  22 {
  23     TBSCertList            tbsCertList;
  24     AlgorithmIdentifier    sigAlgId;
  25     DERBitString           sig;
  26
  27     public static CertificateList getInstance(
  28         ASN1TaggedObject obj,
  29         boolean          explicit)
  30     {
  31         return getInstance(ASN1Sequence.getInstance(obj, explicit));
  32     }
  33
  34     public static CertificateList getInstance(
  35         Object  obj)
  36     {
  37         if (obj instanceof CertificateList)
  38         {
  39             return (CertificateList)obj;
  40         }
  41         else if (obj instanceof ASN1Sequence)
  42         {
  43             return new CertificateList((ASN1Sequence)obj);
  44         }
  45
  46         throw new IllegalArgumentException("unknown object in factory");
  47     }
  48
  49     public CertificateList(
  50         ASN1Sequence seq)
  51     {
  52         tbsCertList = TBSCertList.getInstance(seq.getObjectAt(0));
  53         sigAlgId = AlgorithmIdentifier.getInstance(seq.getObjectAt(1));
  54         sig = (DERBitString)seq.getObjectAt(2);
  55     }
  56
  57     public TBSCertList getTBSCertList()
  58     {
  59         return tbsCertList;
  60     }
  61
  62     public TBSCertList.CRLEntry[] getRevokedCertificates()
  63     {
  64         return tbsCertList.getRevokedCertificates();
  65     }
  66
  67     public AlgorithmIdentifier getSignatureAlgorithm()
  68     {
  69         return sigAlgId;
  70     }
  71
  72     public DERBitString getSignature()
  73     {
  74         return sig;
  75     }
  76
  77     public int getVersion()
  78     {
  79         return tbsCertList.getVersion();
  80     }
  81
  82     public X509Name getIssuer()
  83     {
  84         return tbsCertList.getIssuer();
  85     }
  86
  87     public Time getThisUpdate()
  88     {
  89         return tbsCertList.getThisUpdate();
  90     }
  91
  92     public Time getNextUpdate()
  93     {
  94         return tbsCertList.getNextUpdate();
  95     }
  96
  97     public DERObject getDERObject()
  98     {
  99         DERConstructedSequence seq = new DERConstructedSequence();
 100         seq.addObject(tbsCertList);
 101         seq.addObject(sigAlgId);
 102         seq.addObject(sig);
 103         return seq;
 104     }
 105 }