The new authentication type label is PGP. This type need to be assigned a number from the Internet Assigned Numbers Authority (IANA). The draft document in Appendix A does not specify any value.
The following sub-option commands are defined.
CHALLENGE 0 AUTH 1 REJECT 2 ACCEPT 3 QUERYPUBKEY 4 PUBKEY 5These commands will only be used by the PGP authentication routines, hence the values do not have to be registered with the IANA.