A digital signature is preferably used for {HEAD ~ the cryptographic protection}, thereby digitally notarizing {TAIL ~ the encoded text stream} 
digitally notarizing
A digital signature is preferably used for { HEAD ~ the cryptographic protection } , thereby digitally notarizing { TAIL ~ the encoded text stream }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL