H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 12/06 (2009.01)
Patent
CA 2527767
In one embodiment, a scheme is provided for securing a personalized indicium assigned to a mobile communications device. Upon detecting at a network node that an address associated with the mobile communications device has changed, a challenge-and- response procedure is negotiated between the mobile communications device and the network node for authenticating the personalized indicium using a shared authentication key.
Cette invention concerne, dans l'une de ses versions, un mécanisme pour fixer un indice personnalisé à un appareil de communications mobile. Dès qu'un changement d'adresse associée à l'appareil de communications mobile est détecté à un noeud de réseau, une procédure de sollicitation et réponse est négociée entre l'appareil de communications mobile et le noeud de réseau, afin d'authentifier l'indice personnalisé à l'aide d'une clé d'authentification partagée.
Adams Neil Patrick
Bajar David Anthony
Brown Michael Kenneth
Gao Wen
Godfrey James
Borden Ladner Gervais Llp
Research In Motion Limited
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