DynamiQS: Quantum Secure Authentication for Dynamic Charging of Electric Vehicles
CoRR(2023)
摘要
Dynamic Wireless Power Transfer (DWPT) is a novel technology that allows
charging an electric vehicle while driving thanks to a dedicated road
infrastructure. DWPT's capabilities in automatically establishing charging
sessions and billing without users' intervention make it prone to cybersecurity
attacks. Hence, security is essential in preventing fraud, impersonation, and
user tracking. To this aim, researchers proposed different solutions for
authenticating users. However, recent advancements in quantum computing
jeopardize classical public key cryptography, making currently existing
solutions in DWPT authentication nonviable. To avoid the resource burden
imposed by technology upgrades, it is essential to develop
post-quantum-resistant solutions. In this paper, we propose DynamiQS, the first
post-quantum secure authentication protocol for dynamic wireless charging.
DynamiQS is privacy-preserving and secure against attacks on the DWPT. We
leverage an Identity-Based Encryption with Lattices in the Ring Learning With
Error framework. Furthermore, we show the possibility of using DynamiQS in a
real environment, leveraging the results of cryptographic computation on real
constrained devices and simulations. DynamiQS reaches a total time cost of
around 281 ms, which is practicable in dynamic charging settings (car and
charging infrastructure).
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