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