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Download EPUBdynamic WEP
The IEEE introduced the
concept of user-based authentication using per-user encryption keys to solve the scalability
issues that surrounded static WEP (Wired Equivalent Privacy). This resulted in the 802.1x
standard, which makes use of the IETF's Extensible Authentication Protocol (EAP), which was
originally designed for user authentication in dial-up networks. The 802.1x standard
supplemented the EAP protocol with a mechanism to send an encryption key to a wireless AP.
These encryption keys are used as dynamic WEP keys, allowing traffic to each individual user
to be encrypted using a separate key.