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using System;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Asn1.Cms.Ecc
{
public class MQVuserKeyingMaterial
: Asn1Encodable
{
private OriginatorPublicKey ephemeralPublicKey;
private Asn1OctetString addedukm;
public MQVuserKeyingMaterial(
OriginatorPublicKey ephemeralPublicKey,
Asn1OctetString addedukm)
{
// TODO Check ephemeralPublicKey not null
this.ephemeralPublicKey = ephemeralPublicKey;
this.addedukm = addedukm;
}
private MQVuserKeyingMaterial(
Asn1Sequence seq)
{
// TODO Check seq has either 1 or 2 elements
this.ephemeralPublicKey = OriginatorPublicKey.GetInstance(seq[0]);
if (seq.Count > 1)
{
this.addedukm = Asn1OctetString.GetInstance(
(Asn1TaggedObject)seq[1], true);
}
}
/**
* return an AuthEnvelopedData object from a tagged object.
*
* @param obj the tagged object holding the object we want.
* @param isExplicit true if the object is meant to be explicitly
* tagged false otherwise.
* @throws ArgumentException if the object held by the
* tagged object cannot be converted.
*/
public static MQVuserKeyingMaterial GetInstance(
Asn1TaggedObject obj,
bool isExplicit)
{
return GetInstance(Asn1Sequence.GetInstance(obj, isExplicit));
}
/**
* return an AuthEnvelopedData object from the given object.
*
* @param obj the object we want converted.
* @throws ArgumentException if the object cannot be converted.
*/
public static MQVuserKeyingMaterial GetInstance(
object obj)
{
if (obj == null || obj is MQVuserKeyingMaterial)
{
return (MQVuserKeyingMaterial)obj;
}
if (obj is Asn1Sequence)
{
return new MQVuserKeyingMaterial((Asn1Sequence)obj);
}
throw new ArgumentException("Invalid MQVuserKeyingMaterial: " + Platform.GetTypeName(obj));
}
public OriginatorPublicKey EphemeralPublicKey
{
get { return ephemeralPublicKey; }
}
public Asn1OctetString AddedUkm
{
get { return addedukm; }
}
/**
* Produce an object suitable for an Asn1OutputStream.
* <pre>
* MQVuserKeyingMaterial ::= SEQUENCE {
* ephemeralPublicKey OriginatorPublicKey,
* addedukm [0] EXPLICIT UserKeyingMaterial OPTIONAL }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(ephemeralPublicKey);
if (addedukm != null)
{
v.Add(new DerTaggedObject(true, 0, addedukm));
}
return new DerSequence(v);
}
}
}
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