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TBSCertificateStructure.java
资源名称：security.rar　[点击查看]
上传用户：lior1029
上传日期：2013-05-07
资源大小：209k
文件大小：5k
源码类别：

CA认证

开发平台：

Java

TBSCertificateStructure.java：源码内容
  1. package org.bouncycastle.asn1.x509;
  3. import org.bouncycastle.asn1.*;
  4. import org.bouncycastle.asn1.pkcs.*;
  6. /**
  7.  * <pre>
  8.  * TBSCertificate ::= SEQUENCE {
  9.  *      version          [ 0 ]  Version DEFAULT v1(0),
  10.  *      serialNumber            CertificateSerialNumber,
  11.  *      signature               AlgorithmIdentifier,
  12.  *      issuer                  Name,
  13.  *      validity                Validity,
  14.  *      subject                 Name,
  15.  *      subjectPublicKeyInfo    SubjectPublicKeyInfo,
  16.  *      issuerUniqueID    [ 1 ] IMPLICIT UniqueIdentifier OPTIONAL,
  17.  *      subjectUniqueID   [ 2 ] IMPLICIT UniqueIdentifier OPTIONAL,
  18.  *      extensions        [ 3 ] Extensions OPTIONAL
  19.  *      }
  20.  * </pre>
  21.  * <p>
  22.  * Note: issuerUniqueID and subjectUniqueID are both deprecated by the IETF. This class
  23.  * will parse them, but you really shouldn't be creating new ones.
  24.  */
  25. public class TBSCertificateStructure
  26.     implements DEREncodable, X509ObjectIdentifiers, PKCSObjectIdentifiers
  27. {
  28.     ASN1Sequence            seq;
  30.     DERInteger              version;
  31.     DERInteger              serialNumber;
  32.     AlgorithmIdentifier     signature;
  33.     X509Name                issuer;
  34.     Time                    startDate, endDate;
  35.     X509Name                subject;
  36.     SubjectPublicKeyInfo    subjectPublicKeyInfo;
  37.     DERBitString            issuerUniqueId;
  38.     DERBitString            subjectUniqueId;
  39.     X509Extensions          extensions;
  41.     public static TBSCertificateStructure getInstance(
  42.         ASN1TaggedObject obj,
  43.         boolean          explicit)
  44.     {
  45.         return getInstance(ASN1Sequence.getInstance(obj, explicit));
  46.     }
  48.     public static TBSCertificateStructure getInstance(
  49.         Object  obj)
  50.     {
  51.         if (obj instanceof TBSCertificateStructure)
  52.         {
  53.             return (TBSCertificateStructure)obj;
  54.         }
  55.         else if (obj instanceof ASN1Sequence)
  56.         {
  57.             return new TBSCertificateStructure((ASN1Sequence)obj);
  58.         }
  60.         throw new IllegalArgumentException("unknown object in factory");
  61.     }
  63.     public TBSCertificateStructure(
  64.         ASN1Sequence  seq)
  65.     {
  66.         int         seqStart = 0;
  68.         this.seq = seq;
  70.         //
  71.         // some certficates don't include a version number - we assume v1
  72.         //
  73.         if (seq.getObjectAt(0) instanceof DERTaggedObject)
  74.         {
  75.             version = DERInteger.getInstance(seq.getObjectAt(0));
  76.         }
  77.         else
  78.         {
  79.             seqStart = -1;          // field 0 is missing!
  80.             version = new DERInteger(0);
  81.         }
  83.         serialNumber = DERInteger.getInstance(seq.getObjectAt(seqStart + 1));
  85.         signature = AlgorithmIdentifier.getInstance(seq.getObjectAt(seqStart + 2));
  86.         issuer = X509Name.getInstance(seq.getObjectAt(seqStart + 3));
  88.         //
  89.         // before and after dates
  90.         //
  91.         ASN1Sequence  dates = (ASN1Sequence)seq.getObjectAt(seqStart + 4);
  93.         startDate = Time.getInstance(dates.getObjectAt(0));
  94.         endDate = Time.getInstance(dates.getObjectAt(1));
  96.         subject = X509Name.getInstance(seq.getObjectAt(seqStart + 5));
  98.         //
  99.         // public key info.
  100.         //
  101.         subjectPublicKeyInfo = SubjectPublicKeyInfo.getInstance(seq.getObjectAt(seqStart + 6));
  103.         for (int extras = seq.size() - (seqStart + 6) - 1; extras > 0; extras--)
  104.         {
  105.             DERTaggedObject extra = (DERTaggedObject)seq.getObjectAt(seqStart + 6 + extras);
  107.             switch (extra.getTagNo())
  108.             {
  109.             case 1:
  110.                 issuerUniqueId = DERBitString.getInstance(extra);
  111.                 break;
  112.             case 2:
  113.                 subjectUniqueId = DERBitString.getInstance(extra);
  114.                 break;
  115.             case 3:
  116.                 extensions = X509Extensions.getInstance(extra);
  117.             }
  118.         }
  119.     }
  121.     public int getVersion()
  122.     {
  123.         return version.getValue().intValue() + 1;
  124.     }
  126.     public DERInteger getVersionNumber()
  127.     {
  128.         return version;
  129.     }
  131.     public DERInteger getSerialNumber()
  132.     {
  133.         return serialNumber;
  134.     }
  136.     public AlgorithmIdentifier getSignature()
  137.     {
  138.         return signature;
  139.     }
  141.     public X509Name getIssuer()
  142.     {
  143.         return issuer;
  144.     }
  146.     public Time getStartDate()
  147.     {
  148.         return startDate;
  149.     }
  151.     public Time getEndDate()
  152.     {
  153.         return endDate;
  154.     }
  156.     public X509Name getSubject()
  157.     {
  158.         return subject;
  159.     }
  161.     public SubjectPublicKeyInfo getSubjectPublicKeyInfo()
  162.     {
  163.         return subjectPublicKeyInfo;
  164.     }
  166.     public DERBitString getIssuerUniqueId()
  167.     {
  168.         return issuerUniqueId;
  169.     }
  171.     public DERBitString getSubjectUniqueId()
  172.     {
  173.         return subjectUniqueId;
  174.     }
  176.     public X509Extensions getExtensions()
  177.     {
  178.         return extensions;
  179.     }
  181.     public DERObject getDERObject()
  182.     {
  183.         return seq;
  184.     }
  185. }