Fog computing and blockchain technology based certificateless authentication scheme in 5G-assisted vehicular communication

With the goal of enhancing traffic flow and decreasing road accidents, fifth-generation (5G)-assisted vehicular fog computing was developed through innovative studies in wireless network connection technologies. But, with such high speeds and open wireless networks built into the system, privacy and security are major issues. To ensure the safety of vehicular fog computing with 5G assistance, it is essential to verify vehicle-to-vehicle traffic communication. Numerous conditional privacy-preserving authentications (CPPA) solutions have been created to safeguard communications connected to traffic in systems. Nevertheless, utilising these CPPA approaches to validate signatures is computationally costly. Elliptic curve cryptography provides authentication and conditional privacy in this certificateless authentication method for 5G-assisted vehicular fog computing, which streamlines the process of verifying vehicle signatures. In contrast, the certificateless CPPA method rapidly authenticates a signature using blockchain technology, eliminating the need for any prior identification or validation of its legitimacy. According to our experiment carried out the AVISPA tool, there are no vulnerabilities in the system that could be exploited by a Doley-Yao threat. In comparison to older approaches, the proposed solution significantly reduces the computational, communication, and energy consumption expenses.