Reducing delay in the authentication procedure between a...

Details Reducing delay in the authentication procedure between a... Reducing delay in the authentication procedure between a...

H - Electricity

04

W

H04W 12/06 (2009.01)

Patent

CA 2620767

Described is a method where a wireless mobile unit ("MU") transmits an association request and an authentication request to an access point ("AP") (210) . The association request includes an identifier of the MU and the authentication request includes authentication data of the MU. An (initial) authentication procedure of the MU is performed as a function of the identifier and the authentication data. The AP adds the identifier and the authentication data to an authenticated list (i.e. a security context is generated) . Access to the list is provided to at least one further AP (the list maybe also propagated/transmitted to the one further AP or to a plurality of APs) . When the at least one further AP receives a further association request (i.e. a reassociation request) including the identifier from the MU (225) , the further AP performs a further authentication procedure (i.e. a reauthentication procedure; 230) as a function of the identifier and the list.

Procédé consistant pour une unité mobile à transmettre une demande d'association et une demande d'authentification à un point d'accès. La demande d'association comporte un identificateur de l'unité mobile et la demande d'authentification comprend des données d'authentification pour l'unité mobile. Une procédure d'authentification de l'unité mobile est conduite en fonction de l'identificateur et des données d'authentification. Le point d'accès ajoute l'identificateur et les données en question à une liste authentifiée. L'accès à la liste est assuré pour au moins un autre point d'accès. Lorsque le ou les autres points d'accès reçoivent une autre demande d'association comprenant l'identificateur de l'unité mobile, il(s) conduise(nt) une autre procédure d'authentification selon l'identificateur et la liste..

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