138 lines
3.1 KiB
C#
138 lines
3.1 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 Holder : Asn1Encodable
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{
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internal readonly IssuerSerial baseCertificateID;
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internal readonly GeneralNames entityName;
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internal readonly ObjectDigestInfo objectDigestInfo;
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private readonly int version;
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public int Version => version;
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public IssuerSerial BaseCertificateID => baseCertificateID;
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public GeneralNames EntityName => entityName;
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public ObjectDigestInfo ObjectDigestInfo => objectDigestInfo;
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public static Holder GetInstance(object obj)
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{
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if (obj is Holder)
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{
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return (Holder)obj;
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}
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if (obj is Asn1Sequence)
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{
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return new Holder((Asn1Sequence)obj);
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}
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if (obj is Asn1TaggedObject)
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{
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return new Holder((Asn1TaggedObject)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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public Holder(Asn1TaggedObject tagObj)
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{
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switch (tagObj.TagNo)
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{
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case 0:
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baseCertificateID = IssuerSerial.GetInstance(tagObj, explicitly: false);
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break;
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case 1:
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entityName = GeneralNames.GetInstance(tagObj, explicitly: false);
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break;
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default:
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throw new ArgumentException("unknown tag in Holder");
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}
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version = 0;
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}
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private Holder(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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for (int i = 0; i != seq.Count; i++)
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{
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Asn1TaggedObject instance = Asn1TaggedObject.GetInstance(seq[i]);
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switch (instance.TagNo)
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{
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case 0:
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baseCertificateID = IssuerSerial.GetInstance(instance, explicitly: false);
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break;
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case 1:
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entityName = GeneralNames.GetInstance(instance, explicitly: false);
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break;
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case 2:
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objectDigestInfo = ObjectDigestInfo.GetInstance(instance, isExplicit: false);
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break;
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default:
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throw new ArgumentException("unknown tag in Holder");
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}
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}
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version = 1;
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}
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public Holder(IssuerSerial baseCertificateID)
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: this(baseCertificateID, 1)
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{
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}
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public Holder(IssuerSerial baseCertificateID, int version)
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{
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this.baseCertificateID = baseCertificateID;
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this.version = version;
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}
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public Holder(GeneralNames entityName)
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: this(entityName, 1)
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{
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}
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public Holder(GeneralNames entityName, int version)
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{
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this.entityName = entityName;
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this.version = version;
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}
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public Holder(ObjectDigestInfo objectDigestInfo)
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{
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this.objectDigestInfo = objectDigestInfo;
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version = 1;
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}
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public override Asn1Object ToAsn1Object()
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{
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if (version == 1)
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{
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Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector();
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if (baseCertificateID != null)
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{
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asn1EncodableVector.Add(new DerTaggedObject(explicitly: false, 0, baseCertificateID));
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}
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if (entityName != null)
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{
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asn1EncodableVector.Add(new DerTaggedObject(explicitly: false, 1, entityName));
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}
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if (objectDigestInfo != null)
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{
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asn1EncodableVector.Add(new DerTaggedObject(explicitly: false, 2, objectDigestInfo));
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}
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return new DerSequence(asn1EncodableVector);
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}
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if (entityName != null)
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{
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return new DerTaggedObject(explicitly: false, 1, entityName);
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}
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return new DerTaggedObject(explicitly: false, 0, baseCertificateID);
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}
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}
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