| 摘要 |
A user equipment device is authenticated in a WiFi access point, wherein the user equipment device is adapted to operate in a cellular network and in a WiFi communications link, and wherein the WiFi access point is co-located with a base station of the cellular network. After receiving from the user equipment device a request for access to the cellular network, keys are generated for authenticating the user equipment device in the cellular network and the keys are used to authenticate the user equipment device for the WiFi communications link with the WiFi access point. The keys may for example be one-time keys or fixed keys. More specifically, a dual mode UE is equipped with a (U)SIM application which can interact with a dual mode 3G+WLAN access pint to use the 3GPP authentication between the U(SIM) application and the 3G CN to create fresh keying material in the 3G Client and the 3G CN which the 3G CN then pushes to the AP as per the usual RANAP security mode control procedure over the lu/luh interface. The fresh keying material, once installed in the UEs WLAN station and multi-standard cells WLAN AP, will act as a pre-shared key which removes the need to pre-configure the WLAN station and the AP with that shared secret.
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