*/
private DERSequence encodePrivatePartSequence( EncKrbPrivPart message )
{
DERSequence sequence = new DERSequence();
sequence.add( new DERTaggedObject( 0, new DEROctetString( message.getUserData() ) ) );
if ( message.getTimestamp() != null )
{
sequence.add( new DERTaggedObject( 1, KerberosTimeEncoder.encode( message.getTimestamp() ) ) );
}