Telecommunications – Radiotelephone system – Security or fraud prevention
Reexamination Certificate
2005-11-02
2008-09-09
Bost, Dwayne (Department: 2617)
Telecommunications
Radiotelephone system
Security or fraud prevention
C455S410000, C455S435100, C455S432100, C380S248000, C380S247000, C713S168000
Reexamination Certificate
active
07424284
ABSTRACT:
A method of authenticating a user access network to a mobile node, where the mobile node wishes to access a service via the access network, the method comprising:establishing a secure transport channel between the mobile node and a service access node of the visited network, said channel being bound to an identity of the service access node;sending an authorization request from the mobile node to the service access node, incorporating an identity of the service access node into the request at the service access node, and forwarding the request to an authorization node of the user's home network;at said authorization node of the home network, authorizing the service access node, and sending to the service access node a user challenge including the identity of the service access node, said identity being included in such a way that a change to the identity can be detected by a recipient;at the serving access node, forwarding the received user challenge to the mobile node; andat the mobile node verifying whether or not the identity bound to the secure transport channel matches the identity contained in the received challenge.
REFERENCES:
patent: 5537474 (1996-07-01), Brown et al.
patent: 5596641 (1997-01-01), Ohashi et al.
patent: 6996620 (2006-02-01), Chang et al.
patent: 7016690 (2006-03-01), Corson et al.
patent: 7107248 (2006-09-01), Asokan et al.
patent: 7289462 (2007-10-01), Mizell et al.
patent: 7356145 (2008-04-01), Ala-Laurila et al.
patent: 2001/0049790 (2001-12-01), Faccin et al.
patent: 2002/0161723 (2002-10-01), Asokan et al.
patent: 2003/0226017 (2003-12-01), Palekar et al.
patent: 2003/0233546 (2003-12-01), Blom
patent: 2004/0187018 (2004-09-01), Owen et al.
patent: 2004/0248571 (2004-12-01), Robinson et al.
patent: 2005/0083904 (2005-04-01), Khartabil et al.
GB Search Report mailed Feb. 13, 2006 in corresponding GB application No. GB0522337.5.
Hautakorpi Jani
Sahlin Bengt
Torvinen Vesa
Bost Dwayne
Nguyen Huy D
Nixon & Vanderhye P.C.
Telefonaktiebolaget LM Ericsson (publ)
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