116 lines
3.0 KiB
C#
116 lines
3.0 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 OriginatorIdentifierOrKey
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: Asn1Encodable
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{
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private Asn1Encodable id;
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public OriginatorIdentifierOrKey(
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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 OriginatorIdentifierOrKey(
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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 OriginatorIdentifierOrKey(
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OriginatorPublicKey id)
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{
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this.id = new DerTaggedObject(false, 1, id);
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}
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public OriginatorIdentifierOrKey(
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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 an OriginatorIdentifierOrKey object from a tagged object.
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*
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* @param o the tagged object holding the object we want.
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* @param explicitly true if the object is meant to be explicitly
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* tagged false otherwise.
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* @exception ArgumentException if the object held by the
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* tagged object cannot be converted.
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*/
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public static OriginatorIdentifierOrKey GetInstance(
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Asn1TaggedObject o,
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bool explicitly)
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{
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if (!explicitly)
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{
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throw new ArgumentException(
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"Can't implicitly tag OriginatorIdentifierOrKey");
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}
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return GetInstance(o.GetObject());
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}
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/**
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* return an OriginatorIdentifierOrKey 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 OriginatorIdentifierOrKey GetInstance(
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object o)
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{
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if (o == null || o is OriginatorIdentifierOrKey)
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{
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return (OriginatorIdentifierOrKey)o;
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}
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if (o is Asn1Object)
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{
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return new OriginatorIdentifierOrKey((Asn1Object)o);
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}
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throw new ArgumentException("Invalid OriginatorIdentifierOrKey: " + o.GetType().Name);
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}
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public Asn1Encodable ID
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{
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get { return id; }
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}
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public OriginatorPublicKey OriginatorKey
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{
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get
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{
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if (id is Asn1TaggedObject && ((Asn1TaggedObject)id).TagNo == 1)
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{
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return OriginatorPublicKey.GetInstance((Asn1TaggedObject)id, false);
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}
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return null;
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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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* OriginatorIdentifierOrKey ::= CHOICE {
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* issuerAndSerialNumber IssuerAndSerialNumber,
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* subjectKeyIdentifier [0] SubjectKeyIdentifier,
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* originatorKey [1] OriginatorPublicKey
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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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