public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector();
if (keyidentifier != null)
{
v.Add(new DerTaggedObject(false, 0, keyidentifier));
}
if (certissuer != null)
{
v.Add(new DerTaggedObject(false, 1, certissuer));
}
if (certserno != null)
{
v.Add(new DerTaggedObject(false, 2, certserno));
}
return new DerSequence(v);
}