FIG 20 is {HEAD ~ a flowchart} illustrating {TAIL ~ a process} for a reader authenticating a tag according to embodiments 
FIG 20 is { HEAD ~ a flowchart } illustrating { TAIL ~ a process } for a reader authenticating a tag according to embodiments
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH