Authentication of mobile devices via proxy device

Details Authentication of mobile devices via proxy device Authentication of mobile devices via proxy device

2007-04-10

2007-04-10

Feild, Joseph (Department: 2617)

Telecommunications

Radiotelephone system

Security or fraud prevention

C455S435100, C455S455000, C455S426100, C370S338000, C370S328000, C370S352000

Reexamination Certificate

active

10836056

ABSTRACT:
A mechanism to permit the cryptographic authentication of a mobile device in the cellular carrier's network when the device is present in the 802.11 network, wireless LAN, served by a Cellular Controller and not connected directly to the cellular carrier's network via a radio link is disclosed. The Cellular Controller acts as a proxy for the mobile device when the device is in a building served by an 802.11 wireless LAN. The solutions features the separation of a mobile device's radio function from its ANSI-41 authentication mechanism to permit the proxy function to work and to not have to duplicate the ANSI-41 authentication data and CAVE algorithm.

REFERENCES:
patent: 2002/0191635 (2002-12-01), Chow et al.
patent: 2003/0134638 (2003-07-01), Sundar et al.
patent: 2003/0202486 (2003-10-01), Anton et al.
patent: 2004/0072593 (2004-04-01), Robbins et al.
patent: 2004/0105434 (2004-06-01), Baw
patent: 2004/0203800 (2004-10-01), Myhre et al.
patent: 2005/0031124 (2005-02-01), Jain et al.

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