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InfoResearchPeer-reviewed
EPRU: Efficient and Privacy-Aware Reputation Update Scheme With a Dual-Threshold Mechanism for Vehicular Platoons
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Summary
EPRU, a reputation-based authentication scheme for vehicular platoons, updates vehicle credit scores through a dynamic aggregation trigger that uses verified real-time feedback. It combines ElGamal and homomorphic encryption to protect vehicle identities and feedback data. The authors report formal security proofs against forgery, replay, and modification attacks, and a reduction of at least 3.05% in computation overhead and 37.5% in communication cost compared with recent state-of-the-art schemes.