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using System;
namespace Org.BouncyCastle.Asn1.Cms.Ecc
{
public class MQVuserKeyingMaterial
: Asn1Encodable
{
public static MQVuserKeyingMaterial GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is MQVuserKeyingMaterial mqvUserKeyingMaterial)
return mqvUserKeyingMaterial;
return new MQVuserKeyingMaterial(Asn1Sequence.GetInstance(obj));
}
public static MQVuserKeyingMaterial GetInstance(Asn1TaggedObject obj, bool isExplicit)
{
return new MQVuserKeyingMaterial(Asn1Sequence.GetInstance(obj, isExplicit));
}
private readonly OriginatorPublicKey m_ephemeralPublicKey;
private readonly Asn1OctetString m_addedukm;
public MQVuserKeyingMaterial(OriginatorPublicKey ephemeralPublicKey, Asn1OctetString addedukm)
{
m_ephemeralPublicKey = ephemeralPublicKey ?? throw new ArgumentNullException(nameof(ephemeralPublicKey));
m_addedukm = addedukm;
}
private MQVuserKeyingMaterial(Asn1Sequence seq)
{
int count = seq.Count, pos = 0;
if (count < 1 || count > 2)
throw new ArgumentException("Bad sequence size: " + count, nameof(seq));
m_ephemeralPublicKey = OriginatorPublicKey.GetInstance(seq[pos++]);
m_addedukm = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 0, true, Asn1OctetString.GetInstance);
if (pos != count)
throw new ArgumentException("Unexpected elements in sequence", nameof(seq));
}
public OriginatorPublicKey EphemeralPublicKey => m_ephemeralPublicKey;
public Asn1OctetString AddedUkm => m_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(2);
v.Add(m_ephemeralPublicKey);
v.AddOptionalTagged(true, 0, m_addedukm);
return new DerSequence(v);
}
}
}
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