Authorization Certificate Computer Security (1 results)

Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Please note that the content of this book primarily consists of articlesavailable from Wikipedia or other free sources online. In computersecurity, an attribute certificate (AC) is a digital document containingattributes associated to the holder by the issuer. When the associatedattributes are mainly used for authorization purpose, AC is calledauthorization certificate. AC is standardized in X.509. RFC 3281 furtherspecifies the usage of AC for authorization purpose in the Internet. ACis the complement of public key certificate (PKC). While PKC is issuedby a CA and is used as a proof of identity of its holder like apassport, AC is issued by AA and is used to characterize or entitle itsholder like a visa. Because identity information seldom changes and hasa long validity time while attribute information frequently changes orhas a short validity time, separate certificates with different securityrigours, validity times and issuers are necessary.…