About: http://webisa.webdatacommons.org/423802525

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	My reading is that it is not the process of encrypting he is being patented but that the encryption key has been randomised so that it is different each time there is a desire to communicate.
http://www.w3.org/ns/prov#wasQuotedFrom	arstechnica.com