126 lines
3.1 KiB
C#
126 lines
3.1 KiB
C#
using System;
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namespace Org.BouncyCastle.Asn1.X509
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{
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public class V2Form
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: Asn1Encodable
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{
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internal GeneralNames issuerName;
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internal IssuerSerial baseCertificateID;
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internal ObjectDigestInfo objectDigestInfo;
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public static V2Form GetInstance(
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Asn1TaggedObject obj,
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bool explicitly)
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{
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return GetInstance(Asn1Sequence.GetInstance(obj, explicitly));
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}
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public static V2Form GetInstance(
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object obj)
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{
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if (obj is V2Form)
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{
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return (V2Form) obj;
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}
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if (obj is Asn1Sequence)
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{
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return new V2Form((Asn1Sequence) obj);
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}
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throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
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}
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public V2Form(
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GeneralNames issuerName)
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{
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this.issuerName = issuerName;
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}
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private V2Form(
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Asn1Sequence seq)
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{
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if (seq.Count > 3)
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{
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throw new ArgumentException("Bad sequence size: " + seq.Count);
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}
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int index = 0;
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if (!(seq[0] is Asn1TaggedObject))
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{
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index++;
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this.issuerName = GeneralNames.GetInstance(seq[0]);
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}
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for (int i = index; i != seq.Count; i++)
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{
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Asn1TaggedObject o = Asn1TaggedObject.GetInstance(seq[i]);
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if (o.TagNo == 0)
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{
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baseCertificateID = IssuerSerial.GetInstance(o, false);
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}
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else if (o.TagNo == 1)
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{
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objectDigestInfo = ObjectDigestInfo.GetInstance(o, false);
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}
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else
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{
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throw new ArgumentException("Bad tag number: " + o.TagNo);
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}
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}
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}
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public GeneralNames IssuerName
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{
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get { return issuerName; }
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}
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public IssuerSerial BaseCertificateID
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{
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get { return baseCertificateID; }
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}
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public ObjectDigestInfo ObjectDigestInfo
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{
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get { return objectDigestInfo; }
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}
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/**
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* Produce an object suitable for an Asn1OutputStream.
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* <pre>
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* V2Form ::= Sequence {
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* issuerName GeneralNames OPTIONAL,
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* baseCertificateID [0] IssuerSerial OPTIONAL,
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* objectDigestInfo [1] ObjectDigestInfo OPTIONAL
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* -- issuerName MUST be present in this profile
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* -- baseCertificateID and objectDigestInfo MUST NOT
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* -- be present in this profile
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* }
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* </pre>
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*/
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public override Asn1Object ToAsn1Object()
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{
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Asn1EncodableVector v = new Asn1EncodableVector();
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if (issuerName != null)
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{
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v.Add(issuerName);
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}
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if (baseCertificateID != null)
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{
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v.Add(new DerTaggedObject(false, 0, baseCertificateID));
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}
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if (objectDigestInfo != null)
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{
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v.Add(new DerTaggedObject(false, 1, objectDigestInfo));
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}
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return new DerSequence(v);
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}
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}
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}
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