About: http://webisa.webdatacommons.org/172847720

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	Currently, for a symmetric encryption system with no back doors, a key length of at least 128 bits is considered sufficiently large for withstanding different types of attacks.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk