public asn1encodable getbagattribute(asn1objectidentifier oid) {
   return attrcarrier.getbagattribute(oid);
 }
 public enumeration getbagattributekeys() {
   return attrcarrier.getbagattributekeys();
 }
 public void setbagattribute(asn1objectidentifier oid, asn1encodable attribute) {
   attrcarrier.setbagattribute(oid, attribute);
 }