In a typical application, {HEAD ~ the authentication method} or device may be used to authenticate a remote service, such as a web site, to {TAIL ~ a user} operating a workstation connected to a communications network 
In a typical application , { HEAD ~ the authentication method } or device may be used to authenticate a remote service , such as a web site , to { TAIL ~ a user } operating a workstation connected to a communications network
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH