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