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Threshold Anonymous Announcement in VANETs

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3 Author(s)
Liqun Chen ; Hewlett Packard Labs., Bristol, UK ; Siaw-Lynn Ng ; Guilin Wang

Vehicular ad hoc networks (VANETs) allow wireless communications between vehicles without the aid of a central server. Reliable exchanges of information about road and traffic conditions allow a safer and more comfortable travelling environment. However, such profusion of information may allow unscrupulous parties to violate user privacy. On the other hand, a degree of auditability is desired for law enforcement and maintenance purposes. In this paper we propose a Threshold Anonymous Announcement service using direct anonymous attestation and one-time anonymous authentication to simultaneously achieve the seemingly contradictory goals of reliability, privacy and auditability.

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Selected Areas in Communications, IEEE Journal on  (Volume:29 ,  Issue: 3 )