A device 23 wherein the second pseudorandom encoding sequence includes an arrangement of characters from {HEAD ~ the same or different character} set to {TAIL ~ the first secret key} 
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A device 23 wherein the second pseudorandom encoding sequence includes an arrangement of characters from { HEAD ~ the same or different character } set to { TAIL ~ the first secret key }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL