Abstract
With the recent rapid increase in the number of motor vehicles on roads, traffic accidents have increased, and emergency reporting processes have become essential. In this paper, a key agreement protocol for a real-time traffic sharing system is proposed for Vehicular Ad-Hoc Networks (VANETs), in which a broadcast center authenticates the legitimacy of a user when they report an emergency and issues a certificate of emergency to other users. This study uses a digital signatures mechanism, key agreement and authentication scheme to satisfy the security requirements for a VANET. Burrows-Abadi-Needham logic (BAN logic) is applied to prove that the proposed scheme achieves secure authentication. The proposed protocol ensures the privacy of the communication between fleets and provides a mechanism for immediate emergency reporting. The experiment results show that the proposed scheme is feasible and meets security requirements.
Highlights
With the rapid development and popularization of motor vehicle transportation in various regions, people spend a significant amount of their time on such transportation, and traffic complexity is increasing due to the increased number of vehicles on the road
In order to ensure the correctness of a proposed scheme, many studies offer the BAN logic model to prove that their authentication protocols are effective, using many logic symbols and formula rules in the proof process [28]
This study uses BAN logic to determine if both parties have achieved mutual authentication
Summary
With the rapid development and popularization of motor vehicle transportation in various regions, people spend a significant amount of their time on such transportation, and traffic complexity is increasing due to the increased number of vehicles on the road. In a VANET, vehicles can be organized into a communication network [11], in which vehicles can be regarded as a mobile communication facility capable of forwarding and obtaining messages in the VANET system This technology allows vehicles to share traffic information directly with other vehicles, or to request and receive information from the broadcasting center through a Road Site Unit (RSU), being able to achieve the requirement of sharing instant road conditions based on the architecture [12], [13]. A number of recent studies have focused on VANETs. Lia et al proposed a VANET scheme that achieved authentication and integrity but did not offer non-repudiation [15]. Identity authentication, the protocol must guarantee immediate information transfer and negotiate a secure secret key for the team.
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