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using System;
using Org.BouncyCastle.Asn1.X509;
namespace Org.BouncyCastle.Asn1.Ocsp
{
public class TbsRequest
: Asn1Encodable
{
public static TbsRequest GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is TbsRequest tbsRequest)
return tbsRequest;
return new TbsRequest(Asn1Sequence.GetInstance(obj));
}
public static TbsRequest GetInstance(Asn1TaggedObject obj, bool explicitly)
{
return new TbsRequest(Asn1Sequence.GetInstance(obj, explicitly));
}
private static readonly DerInteger V1 = DerInteger.Zero;
private readonly DerInteger m_version;
private readonly bool m_versionPresent;
private readonly GeneralName m_requestorName;
private readonly Asn1Sequence m_requestList;
private readonly X509Extensions m_requestExtensions;
public TbsRequest(GeneralName requestorName, Asn1Sequence requestList, X509Extensions requestExtensions)
{
m_version = V1;
m_versionPresent = false;
m_requestorName = requestorName;
m_requestList = requestList ?? throw new ArgumentNullException(nameof(requestList));
m_requestExtensions = requestExtensions;
}
private TbsRequest(Asn1Sequence seq)
{
int count = seq.Count;
if (count < 1 || count > 4)
throw new ArgumentException("Bad sequence size: " + count, nameof(seq));
int pos = 0;
{
DerInteger version = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 0, true, DerInteger.GetInstance);
m_version = version ?? V1;
m_versionPresent = version != null;
}
m_requestorName = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 1, true, GeneralName.GetInstance);
m_requestList = Asn1Sequence.GetInstance(seq[pos++]);
m_requestExtensions = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 2, true, X509Extensions.GetInstance);
if (pos != count)
throw new ArgumentException("Unexpected elements in sequence", nameof(seq));
}
public DerInteger Version => m_version;
public GeneralName RequestorName => m_requestorName;
public Asn1Sequence RequestList => m_requestList;
public X509Extensions RequestExtensions => m_requestExtensions;
/**
* Produce an object suitable for an Asn1OutputStream.
* <pre>
* TBSRequest ::= Sequence {
* version [0] EXPLICIT Version DEFAULT v1,
* requestorName [1] EXPLICIT GeneralName OPTIONAL,
* requestList Sequence OF Request,
* requestExtensions [2] EXPLICIT Extensions OPTIONAL }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(4);
//
// if default don't include - unless explicitly provided. Not strictly correct
// but required for some requests
//
if (m_versionPresent || !V1.Equals(m_version))
{
v.Add(new DerTaggedObject(true, 0, m_version));
}
v.AddOptionalTagged(true, 1, m_requestorName);
v.Add(m_requestList);
v.AddOptionalTagged(true, 2, m_requestExtensions);
return new DerSequence(v);
}
}
}
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