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