The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 04, 2016

Filed:

Apr. 11, 2008
Applicants:

Kenneth P. Laberteaux, Ann Arbor, MI (US);

Yih-chun HU, Urbana, IL (US);

Jason Haas, Urbana, IL (US);

Inventors:

Kenneth P. Laberteaux, Ann Arbor, MI (US);

Yih-Chun Hu, Urbana, IL (US);

Jason Haas, Urbana, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/32 (2006.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3268 (2013.01); H04L 63/0823 (2013.01); H04L 67/12 (2013.01); H04L 2209/84 (2013.01);
Abstract

In a vehicle-to-vehicle wireless communication system utilizing certificates to verify trustworthiness of received communications, a method for distributing a list of certificate revocations to vehicles in the communication system. At least one main station transmits a list of certificate revocations to at least one vehicle and the vehicle thereafter transmits the list of certificate revocations to other vehicles in the communication network. Each of the other vehicles in the communication network updates its list of certificate revocations in response to the receipt of the list of certificate revocations from another vehicle in the system. The other vehicles thereafter transmit their updated list of certificate revocations to other vehicles in the system.


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