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using System;
using Org.BouncyCastle.Asn1.X509;
namespace Org.BouncyCastle.Asn1.Cmp
{
/**
* GenMsg: {id-it TBD1}, SEQUENCE SIZE (1..MAX) OF CRLStatus
* GenRep: {id-it TBD2}, SEQUENCE SIZE (1..MAX) OF
* CertificateList | < absent >
* <p>
* CRLSource ::= CHOICE {
* dpn [0] DistributionPointName,
* issuer [1] GeneralNames }
* </p>
*/
public class CrlSource
: Asn1Encodable, IAsn1Choice
{
public static CrlSource GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is CrlSource crlSource)
return crlSource;
return new CrlSource(Asn1TaggedObject.GetInstance(obj));
}
public static CrlSource GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return Asn1Utilities.GetInstanceFromChoice(taggedObject, declaredExplicit, GetInstance);
}
private readonly DistributionPointName m_dpn;
private readonly GeneralNames m_issuer;
private CrlSource(Asn1TaggedObject taggedObject)
{
switch (taggedObject.TagNo)
{
case 0:
m_dpn = DistributionPointName.GetInstance(taggedObject, true);
m_issuer = null;
break;
case 1:
m_dpn = null;
m_issuer = GeneralNames.GetInstance(taggedObject, true);
break;
default:
throw new ArgumentException("unknown tag: " + Asn1Utilities.GetTagText(taggedObject));
}
}
public CrlSource(DistributionPointName dpn, GeneralNames issuer)
{
if ((dpn == null) == (issuer == null))
throw new ArgumentException("either dpn or issuer must be set");
m_dpn = dpn;
m_issuer = issuer;
}
public virtual DistributionPointName Dpn => m_dpn;
public virtual GeneralNames Issuer => m_issuer;
public override Asn1Object ToAsn1Object()
{
if (m_dpn != null)
return new DerTaggedObject(true, 0, m_dpn);
if (m_issuer != null)
return new DerTaggedObject(true, 1, m_issuer);
throw new InvalidOperationException();
}
}
}
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