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Cryptography – Communication system using cryptography – Wireless communication

Reexamination Certificate

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C380S043000, C380S045000, C380S264000, C380S277000

Reexamination Certificate

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07734050

ABSTRACT:
A wireless vehicle and infrastructure system is described that allows for utilization of a quasi-anonymous common private key/digital certificate pool, such that all vehicles are authenticated to the system, but no one vehicle/user can be readily identified during their use of the system because of their use of set of common private key/digital certificate pairs that are assigned to each vehicle from the pool and are common across multiple vehicles. Vehicle/user anonymity is only temporarily removed during vehicle/user re-authentication and re-issuance of new common private key/digital certificate pairs from the pool in the wireless vehicle and infrastructure system.

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patent: 2008/0095374 (2008-04-01), Schreyer
patent: 2008/0232382 (2008-09-01), Iwama et al.

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