Time certification in a wireless communications network

Details Time certification in a wireless communications network Time certification in a wireless communications network

2007-09-04

2007-09-04

Arani, Taghi (Department: 2139)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Central trusted authority provides computer authentication

C380S268000, C380S270000, C380S277000

Reexamination Certificate

active

10603422

ABSTRACT:
The time reference of a user terminal that is derived from an unauthenticated access point can be certified by a trusted entity according to the present invention. In one embodiment, the present invention includes a user terminal obtaining a time reference from an access point of a wireless access network. The user terminal then receives a digital certificate having a validity period from the access point, the certificate being issued by a certificate authority. In one embodiment, the user terminal requests certification of the time reference by a trusted entity, and receives the certification. Then the user terminal can validate the digital certificate.

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patent: 2004/0066736 (2004-04-01), Kroeger
patent: 2006/0078124 (2006-04-01), Whelan et al.

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