57 lines
1.5 KiB
C#
57 lines
1.5 KiB
C#
using System;
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using Org.BouncyCastle.Utilities;
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namespace Org.BouncyCastle.Asn1.Cms;
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public class KeyAgreeRecipientIdentifier : Asn1Encodable, IAsn1Choice
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{
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private readonly IssuerAndSerialNumber issuerSerial;
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private readonly RecipientKeyIdentifier rKeyID;
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public IssuerAndSerialNumber IssuerAndSerialNumber => issuerSerial;
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public RecipientKeyIdentifier RKeyID => rKeyID;
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public static KeyAgreeRecipientIdentifier GetInstance(Asn1TaggedObject obj, bool isExplicit)
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{
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return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit));
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}
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public static KeyAgreeRecipientIdentifier GetInstance(object obj)
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{
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if (obj == null || obj is KeyAgreeRecipientIdentifier)
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{
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return (KeyAgreeRecipientIdentifier)obj;
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}
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if (obj is Asn1Sequence)
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{
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return new KeyAgreeRecipientIdentifier(IssuerAndSerialNumber.GetInstance(obj));
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}
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if (obj is Asn1TaggedObject && ((Asn1TaggedObject)obj).TagNo == 0)
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{
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return new KeyAgreeRecipientIdentifier(RecipientKeyIdentifier.GetInstance((Asn1TaggedObject)obj, explicitly: false));
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}
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throw new ArgumentException("Invalid KeyAgreeRecipientIdentifier: " + Platform.GetTypeName(obj), "obj");
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}
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public KeyAgreeRecipientIdentifier(IssuerAndSerialNumber issuerSerial)
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{
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this.issuerSerial = issuerSerial;
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}
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public KeyAgreeRecipientIdentifier(RecipientKeyIdentifier rKeyID)
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{
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this.rKeyID = rKeyID;
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}
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public override Asn1Object ToAsn1Object()
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{
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if (issuerSerial != null)
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{
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return issuerSerial.ToAsn1Object();
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}
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return new DerTaggedObject(explicitly: false, 0, rKeyID);
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}
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}
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