package org.bouncycastle.asn1.x509;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
/**
* The Holder object.
* <pre>
* Holder ::= SEQUENCE {
* baseCertificateID [0] IssuerSerial OPTIONAL,
* -- the issuer and serial number of
* -- the holder's Public Key Certificate
* entityName [1] GeneralNames OPTIONAL,
* -- the name of the claimant or role
* objectDigestInfo [2] ObjectDigestInfo OPTIONAL
* -- used to directly authenticate the holder,
* -- for example, an executable
* }
* </pre>
*/
public class Holder
extends ASN1Encodable
{
IssuerSerial baseCertificateID;
GeneralNames entityName;
ObjectDigestInfo objectDigestInfo;
public static Holder getInstance(
Object obj)
{
if (obj instanceof Holder)
{
return (Holder)obj;
}
else if (obj instanceof ASN1Sequence)
{
return new Holder((ASN1Sequence)obj);
}
throw new IllegalArgumentException("unknown object in factory");
}
public Holder(
ASN1Sequence seq)
{
if (seq.size() > 3)
{
throw new IllegalArgumentException("Bad sequence size: "
+ seq.size());
}
for (int i = 0; i != seq.size(); i++)
{
ASN1TaggedObject tObj = ASN1TaggedObject.getInstance(seq.getObjectAt(i));
switch (tObj.getTagNo())
{
case 0:
baseCertificateID = IssuerSerial.getInstance(tObj, false);
break;
case 1:
entityName = GeneralNames.getInstance(tObj, false);
break;
case 2:
objectDigestInfo = ObjectDigestInfo.getInstance(tObj, false);
break;
default:
throw new IllegalArgumentException("unknown tag in Holder");
}
}
}
public Holder(
IssuerSerial baseCertificateID)
{
this.baseCertificateID = baseCertificateID;
}
public Holder(
GeneralNames entityName)
{
this.entityName = entityName;
}
public IssuerSerial getBaseCertificateID()
{
return baseCertificateID;
}
public GeneralNames getEntityName()
{
return entityName;
}
public ObjectDigestInfo getObjectDigestInfo()
{
return objectDigestInfo;
}
public DERObject toASN1Object()
{
ASN1EncodableVector v = new ASN1EncodableVector();
if (baseCertificateID != null)
{
v.add(new DERTaggedObject(false, 0, baseCertificateID));
}
if (entityName != null)
{
v.add(new DERTaggedObject(false, 1, entityName));
}
if (objectDigestInfo != null)
{
v.add(new DERTaggedObject(false, 2, objectDigestInfo));
}
return new DERSequence(v);
}
}