processing a message in accordance with an asymmetrical public key encryption algorithm via at least one crypto processing segment, based on {HEAD ~ the k key fragments}, to produce {TAIL ~ an encrypted message} 
processing a message in accordance with an asymmetrical public key encryption algorithm via at least one crypto processing segment , based on { HEAD ~ the k key fragments } , to produce { TAIL ~ an encrypted message }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL