A Note on ``On the Design of Mutual Authentication and Key Agreement Protocol in Internet of Vehicles-Enabled Intelligent Transportation System''

ePrint Report: A Note on ``On the Design of Mutual Authentication and Key Agreement Protocol in Internet of Vehicles-Enabled Intelligent Transportation System''

Zhengjun Cao, Lihua Liu

We remark that the key agreement scheme [IEEE Trans. Veh. Technol. 2021, 70(2): 1736--1751] fails to keep anonymity and untraceability, because the user $U_k$ needs to invoke the public key $PK_{U_j}$ to verify the signature generated by the user $U_j$. Since the public key is compulsively linked to the true identity $ID_{U_j}$ for authentication, …

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