{HEAD ~ A unique identifier} of each such component is included within {TAIL ~ cryptographically protected information} that is provided for the encoded text stream 
{ HEAD ~ A unique identifier } of each such component is included within { TAIL ~ cryptographically protected information } that is provided for the encoded text stream
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH