lib/dn.js
function invalidDN(name) {
  var e = new Error();
  e.name = 'InvalidDistinguishedNameError';
  e.message = name;
  return e;
}
function invalidDN(name) {
  var e = new Error();
  e.name = 'InvalidDistinguishedNameError';
  e.message = name;
  return e;
}
/--- Helpers