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using System;
using Org.BouncyCastle.Asn1.X509;
namespace Org.BouncyCastle.Asn1.Ocsp
{
public class ResponderID
: Asn1Encodable, IAsn1Choice
{
public static ResponderID GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is ResponderID responderID)
return responderID;
if (obj is Asn1OctetString asn1OctetString)
return new ResponderID(asn1OctetString);
if (obj is Asn1TaggedObject taggedObject)
{
if (taggedObject.HasContextTag(1))
return new ResponderID(X509Name.GetInstance(taggedObject, true));
return new ResponderID(Asn1OctetString.GetInstance(taggedObject, true));
}
return new ResponderID(X509Name.GetInstance(obj));
}
public static ResponderID GetInstance(Asn1TaggedObject obj, bool isExplicit) =>
Asn1Utilities.GetInstanceChoice(obj, isExplicit, GetInstance);
public static ResponderID GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) =>
Asn1Utilities.GetTaggedChoice(taggedObject, declaredExplicit, GetInstance);
private readonly Asn1Encodable m_id;
public ResponderID(Asn1OctetString id)
{
m_id = id ?? throw new ArgumentNullException(nameof(id));
}
public ResponderID(X509Name id)
{
m_id = id ?? throw new ArgumentNullException(nameof(id));
}
public virtual byte[] GetKeyHash()
{
if (m_id is Asn1OctetString asn1OctetString)
return asn1OctetString.GetOctets();
return null;
}
public virtual X509Name Name
{
get
{
if (m_id is Asn1OctetString)
return null;
return X509Name.GetInstance(m_id);
}
}
/**
* Produce an object suitable for an Asn1OutputStream.
* <pre>
* ResponderID ::= CHOICE {
* byName [1] Name,
* byKey [2] KeyHash }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
if (m_id is Asn1OctetString asn1OctetString)
return new DerTaggedObject(true, 2, asn1OctetString);
return new DerTaggedObject(true, 1, m_id);
}
}
}
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