The illustrative embodiments described herein provide an apparatus and {HEAD ~ method} for detecting {TAIL ~ tampering} 
for detecting
The illustrative embodiments described herein provide an apparatus and { HEAD ~ method } for detecting { TAIL ~ tampering }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL