SM_J002_IEEETVT_FastEVCharging_Aug2022.pdf (1.21 MB)
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Secure Ultra Fast Authentication Protocol for Electric Vehicle Charging

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posted on 2022-12-11, 15:46 authored by Srijanee Mookherji, Vanga OdeluVanga Odelu, Rajendra PrasathRajendra Prasath

In recent years, Electric Vehicles (EVs) are becoming popular due to their positive effects on the environment. The EVs receive charging service from the power grids, and also act as a charge reservoir to provide services to power grids as and when required. In this communication, the users' credentials, like identity and credit/debit card details, may be exchanged while providing and receiving services. Since the users' credentials are very sensitive, we need to protect the communications against any Probabilistic Polynomial Time (PPT) adversary. Therefore, authentication plays a vital role in protecting such sensitive information. In this paper, we analyse the recently proposed authentication protocol by Wang \textit{et} al. (2022) for EV charging. It has been observed that, this protocol is vulnerable to the \emph{Man-In-the-Middle-Attack} against any PPT-adversary under the Dolev-Yao threat model. Thus, Wang \textit{et} al.'s protocol is not suitable for industrial applications. We then propose an enhanced authentication protocol that provide security against all well-known attacks under the widely accepted CK-adversary model. We present a thorough security analysis using the Real-Or-Random (ROR) model to prove the security of the proposed protocol. We also compare our protocol with the existing related protocols to demonstrate the efficiency. The results show that the proposed protocol is efficient and provides high security, and therefore, it is more suitable for industrial applications. 


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Submitting Author's Institution

Indian Institute of Information Technology Sri City, Chittoor

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  • India