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Vehicular ad hoc networks have attracted a lot of attention in recent years, in either vehicle-to-vehicle or vehicle-to-infrastructure scenarios. In this paper, the authors focus on the latter, particularly for vehicles to upload to roadside units, the so called drive-thru Internet, in a secure and efficient manner. Due to the ad hoc nature and wireless communications, traditional certificate-based security schemes are either infeasible or inefficient in this scenario. Thus, they propose a certificateless approach to secure upload in a drive-thru Internet.
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