computing a Hash of {HEAD ~ configuration data} in said ANE data on {TAIL ~ a boot up request} 
computing a Hash of { HEAD ~ configuration data } in said ANE data on { TAIL ~ a boot up request }
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL