Implements the ASN.1 KDCOptions type.

KDCOptions   ::= KerberosFlags
     -- reserved(0),
     -- forwardable(1),
     -- forwarded(2),
     -- proxiable(3),
     -- proxy(4),
     -- allow-postdate(5),
     -- postdated(6),
     -- unused7(7),
     -- renewable(8),
     -- unused9(9),
     -- unused10(10),
     -- opt-hardware-auth(11),
     -- unused12(12),
     -- unused13(13),
-- 15 is reserved for canonicalize
     -- unused15(15),
-- 26 was unused in 1510
     -- disable-transited-check(26),
     -- renewable-ok(27),
     -- enc-tkt-in-skey(28),
     -- renew(30),
     -- validate(31)

KerberosFlags ::= BIT STRING (SIZE (32..MAX))
                  -- minimum number of bits shall be sent,
                  -- but no fewer than 32

This definition reflects the Network Working Group RFC 4120 specification available at http://www.ietf.org/rfc/rfc4120.txt.