Holder
using Org.BouncyCastle.Utilities;
using System;
namespace Org.BouncyCastle.Asn1.X509
{
public class Holder : Asn1Encodable
{
internal readonly IssuerSerial baseCertificateID;
internal readonly GeneralNames entityName;
internal readonly ObjectDigestInfo objectDigestInfo;
private readonly int version;
public int Version => version;
public IssuerSerial BaseCertificateID => baseCertificateID;
public GeneralNames EntityName => entityName;
public ObjectDigestInfo ObjectDigestInfo => objectDigestInfo;
public static Holder GetInstance(object obj)
{
Holder holder = obj as Holder;
if (holder != null)
return holder;
Asn1Sequence asn1Sequence = obj as Asn1Sequence;
if (asn1Sequence != null)
return new Holder(asn1Sequence);
Asn1TaggedObject asn1TaggedObject = obj as Asn1TaggedObject;
if (asn1TaggedObject != null)
return new Holder(asn1TaggedObject);
throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
}
public Holder(Asn1TaggedObject tagObj)
{
switch (tagObj.TagNo) {
case 0:
baseCertificateID = IssuerSerial.GetInstance(tagObj, true);
break;
case 1:
entityName = GeneralNames.GetInstance(tagObj, true);
break;
default:
throw new ArgumentException("unknown tag in Holder");
}
version = 0;
}
private Holder(Asn1Sequence seq)
{
int num;
if (seq.Count > 3) {
num = seq.Count;
throw new ArgumentException("Bad sequence size: " + num.ToString());
}
for (int i = 0; i != seq.Count; i++) {
Asn1TaggedObject instance = Asn1TaggedObject.GetInstance(seq[i]);
num = instance.TagNo;
switch (num) {
case 0:
baseCertificateID = IssuerSerial.GetInstance(instance, false);
break;
case 1:
entityName = GeneralNames.GetInstance(instance, false);
break;
case 2:
objectDigestInfo = ObjectDigestInfo.GetInstance(instance, false);
break;
default:
throw new ArgumentException("unknown tag in Holder");
}
}
version = 1;
}
public Holder(IssuerSerial baseCertificateID)
: this(baseCertificateID, 1)
{
}
public Holder(IssuerSerial baseCertificateID, int version)
{
this.baseCertificateID = baseCertificateID;
this.version = version;
}
public Holder(GeneralNames entityName)
: this(entityName, 1)
{
}
public Holder(GeneralNames entityName, int version)
{
this.entityName = entityName;
this.version = version;
}
public Holder(ObjectDigestInfo objectDigestInfo)
{
this.objectDigestInfo = objectDigestInfo;
version = 1;
}
public override Asn1Object ToAsn1Object()
{
if (version == 1) {
Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(3);
asn1EncodableVector.AddOptionalTagged(false, 0, baseCertificateID);
asn1EncodableVector.AddOptionalTagged(false, 1, entityName);
asn1EncodableVector.AddOptionalTagged(false, 2, objectDigestInfo);
return new DerSequence(asn1EncodableVector);
}
if (entityName != null)
return new DerTaggedObject(true, 1, entityName);
return new DerTaggedObject(true, 0, baseCertificateID);
}
}
}