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Ensuring the confidentiality and integrity of communication is an essential aspect of Vehicular Ad-Hoc Networks (VANETs), where vehicles communicate wirelessly to enhance road safety and traffic efficiency. VANETs present distinct security challenges due to their dynamic nature, open communication environment, and susceptibility to malicious attacks. Diverse security solutions are employed to address these concerns. Cryptographic protocols play a crucial role in ensuring the security of VANET connections. Digital signatures and encryption ensure the integrity and confidentiality of data. Authentication mechanisms are employed to verify the authenticity of communications exchanged between vehicles, hence restricting unwanted access and malicious activities. Ensuring privacy is of utmost importance in VANETs, and measures are taken to safeguard the identities of vehicles and their users. Utilizing pseudonym shifting strategies, cars periodically assume temporary identities to effectively deter prolonged vehicle surveillance. Secure message authentication ensures that the information exchanged between vehicles remains unaltered, hence enhancing the overall integrity of the data. Intrusion detection systems play a crucial role in the real-time monitoring of VANETs. These systems rapidly identify and react to malicious activities or breaches in security. Collaborative methods, wherein cars cooperate to identify and communicate irregularities, enhance the overall security status of the network. Vehicular Ad-Hoc Networks (VANETs) have the potential to establish a dependable and credible communication environment by incorporating the following security characteristics. Consequently, this promotes enhanced driving safety, improved traffic control, and the maximum utilization of linked and autonomous vehicles in contemporary transportation networks.
Rajasekaran et al. (Mon,) studied this question.