src/org/bouncycastle/asn1/x509/X509CertificateStructure.java

   1 package org.bouncycastle.asn1.x509;
   2
   3 import org.bouncycastle.asn1.*;
   4 import org.bouncycastle.asn1.pkcs.*;
   5
   6 /**
   7  * an X509Certificate structure.
   8  * <pre>
   9  *  Certificate ::= SEQUENCE {
  10  *      tbsCertificate          TBSCertificate,
  11  *      signatureAlgorithm      AlgorithmIdentifier,
  12  *      signature               BIT STRING
  13  *  }
  14  * </pre>
  15  */
  16 public class X509CertificateStructure
  17     implements DEREncodable, X509ObjectIdentifiers, PKCSObjectIdentifiers
  18 {
  19     ASN1Sequence  seq;
  20     TBSCertificateStructure tbsCert;
  21     AlgorithmIdentifier     sigAlgId;
  22     DERBitString            sig;
  23
  24     public static X509CertificateStructure getInstance(
  25         ASN1TaggedObject obj,
  26         boolean          explicit)
  27     {
  28         return getInstance(ASN1Sequence.getInstance(obj, explicit));
  29     }
  30
  31     public static X509CertificateStructure getInstance(
  32         Object  obj)
  33     {
  34         if (obj instanceof X509CertificateStructure)
  35         {
  36             return (X509CertificateStructure)obj;
  37         }
  38         else if (obj instanceof ASN1Sequence)
  39         {
  40             return new X509CertificateStructure((ASN1Sequence)obj);
  41         }
  42
  43         throw new IllegalArgumentException("unknown object in factory");
  44     }
  45
  46     public X509CertificateStructure(
  47         ASN1Sequence  seq)
  48     {
  49         this.seq = seq;
  50
  51         //
  52         // correct x509 certficate
  53         //
  54         if (seq.size() == 3)
  55         {
  56             tbsCert = TBSCertificateStructure.getInstance(seq.getObjectAt(0));
  57             sigAlgId = AlgorithmIdentifier.getInstance(seq.getObjectAt(1));
  58
  59             sig = (DERBitString)seq.getObjectAt(2);
  60         }
  61     }
  62
  63     public TBSCertificateStructure getTBSCertificate()
  64     {
  65         return tbsCert;
  66     }
  67
  68     public int getVersion()
  69     {
  70         return tbsCert.getVersion();
  71     }
  72
  73     public DERInteger getSerialNumber()
  74     {
  75         return tbsCert.getSerialNumber();
  76     }
  77
  78     public X509Name getIssuer()
  79     {
  80         return tbsCert.getIssuer();
  81     }
  82
  83     public Time getStartDate()
  84     {
  85         return tbsCert.getStartDate();
  86     }
  87
  88     public Time getEndDate()
  89     {
  90         return tbsCert.getEndDate();
  91     }
  92
  93     public X509Name getSubject()
  94     {
  95         return tbsCert.getSubject();
  96     }
  97
  98     public SubjectPublicKeyInfo getSubjectPublicKeyInfo()
  99     {
 100         return tbsCert.getSubjectPublicKeyInfo();
 101     }
 102
 103     public AlgorithmIdentifier getSignatureAlgorithm()
 104     {
 105         return sigAlgId;
 106     }
 107
 108     public DERBitString getSignature()
 109     {
 110         return sig;
 111     }
 112
 113     public DERObject getDERObject()
 114     {
 115         return seq;
 116     }
 117 }