An authentication component may receive {TAIL ~ credential information} for {HEAD ~ authentication} of a user or a device for access to a resource 
An authentication component may receive { TAIL ~ credential information } for { HEAD ~ authentication } of a user or a device for access to a resource
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH