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CertificationRequestInfo.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：3k
源码类别：

CA认证

开发平台：

Java

CertificationRequestInfo.java：源码内容
  1. package org.bouncycastle.asn1.pkcs;
  3. import org.bouncycastle.asn1.*;
  4. import org.bouncycastle.asn1.x509.*;
  6. /**
  7.  * PKCS10
  8.  *
  9.  * <pre>
  10.  *  CertificationRequestInfo ::= SEQUENCE {
  11.  *   version             INTEGER { v1(0) } (v1,...),
  12.  *   subject             Name,
  13.  *   subjectPKInfo   SubjectPublicKeyInfo{{ PKInfoAlgorithms }},
  14.  *   attributes          [0] Attributes{{ CRIAttributes }}
  15.  *  }
  16.  *
  17.  *  Attributes { ATTRIBUTE:IOSet } ::= SET OF Attribute{{ IOSet }}
  18.  *
  19.  *  Attribute { ATTRIBUTE:IOSet } ::= SEQUENCE {
  20.  *    type    ATTRIBUTE.&id({IOSet}),
  21.  *    values  SET SIZE(1..MAX) OF ATTRIBUTE.&Type({IOSet}{@type})
  22.  *  }
  23.  * </pre>
  24.  */
  25. public class CertificationRequestInfo
  26.     implements DEREncodable
  27. {
  28.     DERInteger              version = new DERInteger(0);
  29.     X509Name                subject;
  30.     SubjectPublicKeyInfo    subjectPKInfo;
  31.     ASN1Set                 attributes = null;
  33.     public static CertificationRequestInfo getInstance(
  34.         Object  obj)
  35.     {
  36.         if (obj instanceof CertificationRequestInfo)
  37.         {
  38.             return (CertificationRequestInfo)obj;
  39.         }
  40.         else if (obj instanceof ASN1Sequence)
  41.         {
  42.             return new CertificationRequestInfo((ASN1Sequence)obj);
  43.         }
  45.         throw new IllegalArgumentException("unknown object in factory");
  46.     }
  48.     public CertificationRequestInfo(
  49.         X509Name                subject,
  50.         SubjectPublicKeyInfo    pkInfo,
  51.         ASN1Set                 attributes)
  52.     {
  53.         this.subject = subject;
  54.         this.subjectPKInfo = pkInfo;
  55.         this.attributes = attributes;
  57.         if ((subject == null) || (version == null) || (subjectPKInfo == null))
  58.         {
  59.             throw new IllegalArgumentException("Not all mandatory fields set in CertificationRequestInfo generator.");
  60.         }
  61.     }
  63.     public CertificationRequestInfo(
  64.         ASN1Sequence  seq)
  65.     {
  66.         version = (DERInteger)seq.getObjectAt(0);
  68.         subject = X509Name.getInstance(seq.getObjectAt(1));
  69.         subjectPKInfo = SubjectPublicKeyInfo.getInstance(seq.getObjectAt(2));
  71.         //
  72.         // some CertificationRequestInfo objects seem to treat this field
  73.         // as optional.
  74.         //
  75.         if (seq.size() > 3)
  76.         {
  77.             DERTaggedObject tagobj = (DERTaggedObject)seq.getObjectAt(3);
  78.             attributes = ASN1Set.getInstance(tagobj, false);
  79.         }
  81.         if ((subject == null) || (version == null) || (subjectPKInfo == null))
  82.         {
  83.             throw new IllegalArgumentException("Not all mandatory fields set in CertificationRequestInfo generator.");
  84.         }
  85.     }
  87.     public DERInteger getVersion()
  88.     {
  89.         return version;
  90.     }
  92.     public X509Name getSubject()
  93.     {
  94.         return subject;
  95.     }
  97.     public SubjectPublicKeyInfo getSubjectPublicKeyInfo()
  98.     {
  99.         return subjectPKInfo;
  100.     }
  102.     public ASN1Set getAttributes()
  103.     {
  104.         return (ASN1Set)attributes;
  105.     }
  107.     public DERObject getDERObject()
  108.     {
  109.         ASN1EncodableVector  v = new ASN1EncodableVector();
  111.         v.add(version);
  112.         v.add(subject);
  113.         v.add(subjectPKInfo);
  115.         if (attributes != null)
  116.         {
  117.             v.add(new DERTaggedObject(false, 0, attributes));
  118.         }
  120.         return new DERSequence(v);
  121.     }
  122. }