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using System;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Asn1.X509
{
public class AttCertIssuer
: Asn1Encodable, IAsn1Choice
{
internal readonly Asn1Encodable obj;
internal readonly Asn1Object choiceObj;
public static AttCertIssuer GetInstance(object obj)
{
if (obj is AttCertIssuer attrCertIssuer)
{
return attrCertIssuer;
}
else if (obj is V2Form v2Form)
{
return new AttCertIssuer(v2Form);
}
else if (obj is GeneralNames generalNames)
{
return new AttCertIssuer(generalNames);
}
else if (obj is Asn1TaggedObject taggedObject)
{
return new AttCertIssuer(V2Form.GetInstance(taggedObject, false));
}
else if (obj is Asn1Sequence)
{
return new AttCertIssuer(GeneralNames.GetInstance(obj));
}
throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
}
public static AttCertIssuer GetInstance(
Asn1TaggedObject obj,
bool isExplicit)
{
return GetInstance(obj.GetObject()); // must be explictly tagged
}
/// <summary>
/// Don't use this one if you are trying to be RFC 3281 compliant.
/// Use it for v1 attribute certificates only.
/// </summary>
/// <param name="names">Our GeneralNames structure</param>
public AttCertIssuer(
GeneralNames names)
{
obj = names;
choiceObj = obj.ToAsn1Object();
}
public AttCertIssuer(
V2Form v2Form)
{
obj = v2Form;
choiceObj = new DerTaggedObject(false, 0, obj);
}
public Asn1Encodable Issuer
{
get { return obj; }
}
/**
* Produce an object suitable for an Asn1OutputStream.
* <pre>
* AttCertIssuer ::= CHOICE {
* v1Form GeneralNames, -- MUST NOT be used in this
* -- profile
* v2Form [0] V2Form -- v2 only
* }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
return choiceObj;
}
}
}
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