95 lines
2.3 KiB
C#
95 lines
2.3 KiB
C#
using System;
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using Org.BouncyCastle.Asn1;
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namespace Org.BouncyCastle.Asn1.Cms
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{
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public class RecipientIdentifier
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: Asn1Encodable
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{
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private Asn1Encodable id;
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public RecipientIdentifier(
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IssuerAndSerialNumber id)
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{
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this.id = id;
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}
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public RecipientIdentifier(
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Asn1OctetString id)
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{
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this.id = new DerTaggedObject(false, 0, id);
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}
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public RecipientIdentifier(
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Asn1Object id)
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{
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this.id = id;
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}
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/**
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* return a RecipientIdentifier object from the given object.
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*
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* @param o the object we want converted.
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* @exception ArgumentException if the object cannot be converted.
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*/
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public static RecipientIdentifier GetInstance(
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object o)
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{
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if (o == null || o is RecipientIdentifier)
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{
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return (RecipientIdentifier)o;
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}
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if (o is IssuerAndSerialNumber)
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{
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return new RecipientIdentifier((IssuerAndSerialNumber) o);
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}
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if (o is Asn1OctetString)
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{
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return new RecipientIdentifier((Asn1OctetString) o);
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}
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if (o is Asn1Object)
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{
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return new RecipientIdentifier((Asn1Object) o);
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}
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throw new ArgumentException(
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"Illegal object in RecipientIdentifier: " + o.GetType().Name);
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}
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public bool IsTagged { get { return (id is Asn1TaggedObject); } }
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public Asn1Encodable ID
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{
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get
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{
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if (id is Asn1TaggedObject)
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{
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return Asn1OctetString.GetInstance((Asn1TaggedObject) id, false);
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}
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return IssuerAndSerialNumber.GetInstance(id);
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}
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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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* RecipientIdentifier ::= CHOICE {
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* issuerAndSerialNumber IssuerAndSerialNumber,
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* subjectKeyIdentifier [0] SubjectKeyIdentifier
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* }
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*
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* SubjectKeyIdentifier ::= OCTET STRING
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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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return id.ToAsn1Object();
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}
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}
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}
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