internal override void Encode(
DerOutputStream derOut)
{
if (derOut is Asn1OutputStream || derOut is BerOutputStream)
{
derOut.WriteTag((byte)(Asn1Tags.Constructed | Asn1Tags.Tagged), tagNo);
derOut.WriteByte(0x80);
if (!IsEmpty())
{
if (!explicitly)
{
IEnumerable eObj;
if (obj is Asn1OctetString)
{
if (obj is BerOctetString)
{
eObj = (BerOctetString)obj;
}
else
{
Asn1OctetString octs = (Asn1OctetString)obj;
eObj = new BerOctetString(octs.GetOctets());
}
}
else if (obj is Asn1Sequence)
{
eObj = (Asn1Sequence)obj;
}
else if (obj is Asn1Set)
{
eObj = (Asn1Set)obj;
}
else
{
throw Platform.CreateNotImplementedException(Platform.GetTypeName(obj));
}
foreach (Asn1Encodable o in eObj)
{
derOut.WriteObject(o);
}
}
else
{
derOut.WriteObject(obj);
}
}
derOut.WriteByte(0x00);
derOut.WriteByte(0x00);
}
else
{
base.Encode(derOut);
}
}
/**
* return an Octet string from a tagged object.
*
* @param obj the tagged object holding the object we want.
* @param explicitly true if the object is meant to be explicitly
* tagged false otherwise.
* @exception ArgumentException if the tagged object cannot
* be converted.
*/
public static Asn1OctetString GetInstance(
Asn1TaggedObject obj,
bool isExplicit)
{
Asn1Object o = obj.GetObject();
if (isExplicit || o is Asn1OctetString)
{
return(GetInstance(o));
}
return(BerOctetString.FromSequence(Asn1Sequence.GetInstance(o)));
}