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      1 package org.bouncycastle.asn1.pkcs;
      2 
      3 import java.math.BigInteger;
      4 
      5 import org.bouncycastle.asn1.ASN1EncodableVector;
      6 import org.bouncycastle.asn1.ASN1Integer;
      7 import org.bouncycastle.asn1.ASN1Object;
      8 import org.bouncycastle.asn1.ASN1Primitive;
      9 import org.bouncycastle.asn1.ASN1Sequence;
     10 import org.bouncycastle.asn1.BERSequence;
     11 
     12 /**
     13  * the infamous Pfx from PKCS12
     14  */
     15 public class Pfx
     16     extends ASN1Object
     17     implements PKCSObjectIdentifiers
     18 {
     19     private ContentInfo             contentInfo;
     20     private MacData                 macData = null;
     21 
     22     private Pfx(
     23         ASN1Sequence   seq)
     24     {
     25         BigInteger  version = ((ASN1Integer)seq.getObjectAt(0)).getValue();
     26         if (version.intValue() != 3)
     27         {
     28             throw new IllegalArgumentException("wrong version for PFX PDU");
     29         }
     30 
     31         contentInfo = ContentInfo.getInstance(seq.getObjectAt(1));
     32 
     33         if (seq.size() == 3)
     34         {
     35             macData = MacData.getInstance(seq.getObjectAt(2));
     36         }
     37     }
     38 
     39     public static Pfx getInstance(
     40         Object  obj)
     41     {
     42         if (obj instanceof Pfx)
     43         {
     44             return (Pfx)obj;
     45         }
     46 
     47         if (obj != null)
     48         {
     49             return new Pfx(ASN1Sequence.getInstance(obj));
     50         }
     51 
     52         return null;
     53     }
     54 
     55     public Pfx(
     56         ContentInfo     contentInfo,
     57         MacData         macData)
     58     {
     59         this.contentInfo = contentInfo;
     60         this.macData = macData;
     61     }
     62 
     63     public ContentInfo getAuthSafe()
     64     {
     65         return contentInfo;
     66     }
     67 
     68     public MacData getMacData()
     69     {
     70         return macData;
     71     }
     72 
     73     public ASN1Primitive toASN1Primitive()
     74     {
     75         ASN1EncodableVector v = new ASN1EncodableVector();
     76 
     77         v.add(new ASN1Integer(3));
     78         v.add(contentInfo);
     79 
     80         if (macData != null)
     81         {
     82             v.add(macData);
     83         }
     84 
     85         return new BERSequence(v);
     86     }
     87 }
     88