About: http://webisa.webdatacommons.org/90749513

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	Referring to FIG. 7, function f4 is a nonsecret cryptographic function with the following properties:
http://www.w3.org/ns/prov#wasQuotedFrom	google.com