CertificatePair
using Org.BouncyCastle.Utilities;
using System;
namespace Org.BouncyCastle.Asn1.X509
{
public class CertificatePair : Asn1Encodable
{
private X509CertificateStructure forward;
private X509CertificateStructure reverse;
public X509CertificateStructure Forward => forward;
public X509CertificateStructure Reverse => reverse;
public static CertificatePair GetInstance(object obj)
{
if (obj == null || obj is CertificatePair)
return (CertificatePair)obj;
if (obj is Asn1Sequence)
return new CertificatePair((Asn1Sequence)obj);
throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
}
private CertificatePair(Asn1Sequence seq)
{
int num;
if (seq.Count != 1 && seq.Count != 2) {
num = seq.Count;
throw new ArgumentException("Bad sequence size: " + num.ToString(), "seq");
}
foreach (Asn1Encodable item in seq) {
Asn1TaggedObject instance = Asn1TaggedObject.GetInstance(item);
if (instance.TagNo == 0)
forward = X509CertificateStructure.GetInstance(instance, true);
else {
if (instance.TagNo != 1) {
num = instance.TagNo;
throw new ArgumentException("Bad tag number: " + num.ToString());
}
reverse = X509CertificateStructure.GetInstance(instance, true);
}
}
}
public CertificatePair(X509CertificateStructure forward, X509CertificateStructure reverse)
{
this.forward = forward;
this.reverse = reverse;
}
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(2);
asn1EncodableVector.AddOptionalTagged(true, 0, forward);
asn1EncodableVector.AddOptionalTagged(true, 1, reverse);
return new DerSequence(asn1EncodableVector);
}
}
}