<http://webisa.webdatacommons.org/217707617>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/217707617>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<leptoquark.net> .
<http://webisa.webdatacommons.org/prov/516203840>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/217707617> .
<http://webisa.webdatacommons.org/217707617>	<http://www.w3.org/ns/prov#value>	"sends it a pair (N, E_k(N)), where N is a nonce and k is the secret shared" .