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using System;
namespace Org.BouncyCastle.Asn1.X509
{
public class V2Form
: Asn1Encodable
{
internal GeneralNames issuerName;
internal IssuerSerial baseCertificateID;
internal ObjectDigestInfo objectDigestInfo;
public static V2Form GetInstance(
Asn1TaggedObject obj,
bool explicitly)
{
return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
}
public static V2Form GetInstance(object obj)
{
if (obj is V2Form)
return (V2Form)obj;
if (obj != null)
return new V2Form(Asn1Sequence.GetInstance(obj));
return null;
}
public V2Form(GeneralNames issuerName)
: this(issuerName, null, null)
{
}
public V2Form(GeneralNames issuerName, IssuerSerial baseCertificateID)
: this(issuerName, baseCertificateID, null)
{
}
public V2Form(GeneralNames issuerName, ObjectDigestInfo objectDigestInfo)
: this(issuerName, null, objectDigestInfo)
{
}
public V2Form(
GeneralNames issuerName,
IssuerSerial baseCertificateID,
ObjectDigestInfo objectDigestInfo)
{
this.issuerName = issuerName;
this.baseCertificateID = baseCertificateID;
this.objectDigestInfo = objectDigestInfo;
}
private V2Form(
Asn1Sequence seq)
{
if (seq.Count > 3)
{
throw new ArgumentException("Bad sequence size: " + seq.Count);
}
int index = 0;
if (!(seq[0] is Asn1TaggedObject))
{
index++;
this.issuerName = GeneralNames.GetInstance(seq[0]);
}
for (int i = index; i != seq.Count; i++)
{
Asn1TaggedObject o = Asn1TaggedObject.GetInstance(seq[i]);
if (o.TagNo == 0)
{
baseCertificateID = IssuerSerial.GetInstance(o, false);
}
else if (o.TagNo == 1)
{
objectDigestInfo = ObjectDigestInfo.GetInstance(o, false);
}
else
{
throw new ArgumentException("Bad tag number: " + o.TagNo);
}
}
}
public GeneralNames IssuerName
{
get { return issuerName; }
}
public IssuerSerial BaseCertificateID
{
get { return baseCertificateID; }
}
public ObjectDigestInfo ObjectDigestInfo
{
get { return objectDigestInfo; }
}
/**
* Produce an object suitable for an Asn1OutputStream.
* <pre>
* V2Form ::= Sequence {
* issuerName GeneralNames OPTIONAL,
* baseCertificateID [0] IssuerSerial OPTIONAL,
* objectDigestInfo [1] ObjectDigestInfo OPTIONAL
* -- issuerName MUST be present in this profile
* -- baseCertificateID and objectDigestInfo MUST NOT
* -- be present in this profile
* }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector();
if (issuerName != null)
{
v.Add(issuerName);
}
if (baseCertificateID != null)
{
v.Add(new DerTaggedObject(false, 0, baseCertificateID));
}
if (objectDigestInfo != null)
{
v.Add(new DerTaggedObject(false, 1, objectDigestInfo));
}
return new DerSequence(v);
}
}
}
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