Responsive to the comparison, and in the event that {HEAD ~ the expected code value} correlates with the service authentication code, the authentication device generates {TAIL ~ a response} that indicates to the user the authenticity of the remote service  
Responsive to the comparison , and in the event that { HEAD ~ the expected code value } correlates with the service authentication code , the authentication device generates { TAIL ~ a response } that indicates to the user the authenticity of the remote service
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH