Abstract

The emerging vehicular communications will enable a variety of applications for safety, traffic efficiency, driver assistance and infotainment. Due to high vehicular speed, sporadic connection, limited communication range, and large volume of data that need to be transmitted, vehicular communications have the crucial requirements of fast authentication and encryption/decryption. This paper addresses the new and special challenges related to vehicular communications, such as large overhead and latency, presents our Hybrid scheme HASVC to address the authentication issue, and evaluates its performance so as to meet the stringent requirement of real time vehicular communications. The experimental results show that our authentication protocol can securely protect the exchanged information with less overhead and less authentication latency.

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