Securing cross-domain authentication in vehicular ad hoc networks

Abdulaziz Zaid A Aljarwan () and Md Asri Bin Ngadi ()

International Journal of Innovative Research and Scientific Studies, 2025, vol. 8, issue 2, 2865-2879

Abstract: With the advancement of automotive telematics and communication technologies, intelligent transportation systems (ITS) have gradually come on stage, which enables the blooming of vehicular networks. The emerging fifth-generation (5G) mobile communication technology stands to deliver highly secure, low-latency wireless communication services. Furthermore, through fog computing architecture, 5G facilitates the collection of data on a global scale and controlling the entire network from a central location. However, this wireless communication model brings important difficulties for cross-domain authentication, privacy, and in turn monitoring harmful domains for the heterogeneous domains of a 5G-assisted vehicular network. To this end, this paper introduces a new cross-domain authentication solution employing blockchain and fog computing to mitigate these negative effects. The FCCA Protocol: This fog computing-enabled cross-domain authentication (FCCA) protocol establishes a secure authentication framework between vehicles and back-end fog servers, which guarantees accountability for possibly dangerous vehicles while protecting the private information of vehicle users. The FCCA protocol minimizes reliance on trusted authorities while offering a variety of important functions like cross-domain communication, single registration, authenticity of messages, privacy protection, anonymity, unlinkability, and traceability. We further proved that the FCCA protocol is resilient to hijacking, birthday collision, and man-in-the-middle attacks, which render other protocols vulnerable. Moreover, it is proven that, when including the costs of security, computation, communication, and energy, the FCCA protocol is the most cost-performance effective protocol.

Keywords: 5G; Blockchain technology; Cost-effective solutions; Cross-domain communication; Fog computing; Vehicular networks; Message authenticity. (search for similar items in EconPapers)
Date: 2025
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