Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Security kernel or utility
Reexamination Certificate
2011-05-03
2011-05-03
Dinh, Minh (Department: 2432)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Security kernel or utility
C380S247000
Reexamination Certificate
active
07937585
ABSTRACT:
Methods and systems are provided that use smartcards, such as subscriber identity module (SIM) cards to provide secure functions for a mobile client. One embodiment of the invention provides a mobile communication network system that includes a mobile network, a mobile terminal, a server coupled to the mobile terminal via the mobile network, and a subscriber identity module (SIM) card coupled to the mobile terminal. The SIM card includes a first key and a second key. The first key is used to authenticate an intended user of the mobile terminal to the mobile network. Upon successful authentication of the intended user to the mobile network, the mobile terminal downloads a function offered from the server through the mobile network. The second key is then used by the mobile terminal to authenticate the intended user to the downloaded function so that the intended user can utilize the function.
REFERENCES:
patent: 6456857 (2002-09-01), Bos et al.
patent: 6721886 (2004-04-01), Uskela
patent: 2002/0072395 (2002-06-01), Miramontes
patent: 2005/0278787 (2005-12-01), Naslund et al.
Buer Mark
Frank Edward H.
Karaoguz Jeyhan
Broadcom Corporation
Dinh Minh
Ho Virginia
McAndrews Held & Malloy Ltd.
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