Post-Quantum Cryptography for Intelligent Transportation Systems: An Implementation-Focused Review

• URL: http://arxiv.org/abs/2601.01068v1
• Date: Sat, 03 Jan 2026 04:39:06 GMT
• Title: Post-Quantum Cryptography for Intelligent Transportation Systems: An Implementation-Focused Review
• Authors: Abdullah Al Mamun, Akid Abrar, Mizanur Rahman, M Sabbir Salek, Mashrur Chowdhury,
• Abstract summary: Governments and industry stakeholders are turning toward post-quantum cryptography (PQC)<n>PQC algorithms are designed to resist adversaries equipped with quantum computing capabilities.<n>This review fills that gap by evaluating the readiness of vehicular communication and security standards for PQC adoption.
• Score: 8.030140777380444
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: As quantum computing advances, the cryptographic algorithms that underpin confidentiality, integrity, and authentication in Intelligent Transportation Systems (ITS) face increasing vulnerability to quantum-enabled attacks. To address these risks, governments and industry stakeholders are turning toward post-quantum cryptography (PQC), a class of algorithms designed to resist adversaries equipped with quantum computing capabilities. However, existing studies provide limited insight into the implementation-focused aspects of PQC in the ITS domain. This review fills that gap by evaluating the readiness of vehicular communication and security standards for PQC adoption. It examines in-vehicle networks and vehicle-to-everything (V2X) interfaces, while also investigating vulnerabilities at the physical layer, primarily exposure to side-channel and fault injection attacks. The review identifies thirteen research gaps reflecting non-PQC-ready standards, constraints in embedded implementation and hybrid cryptography, interoperability and certificate-management barriers, lack of real-world PQC deployment data in ITS, and physical-attack vulnerabilities in PQC-enabled vehicular communication. Future research directions include updating vehicular communication and security standards, optimizing PQC for low-power devices, enhancing interoperability and certificate-management frameworks for PQC integration, conducting real-world evaluations of PQC-enabled communication and control functions across ITS deployments, and strengthening defenses against AI-assisted physical attacks. A phased roadmap is presented, aligning PQC deployment with regulatory, performance, and safety requirements, thereby guiding the secure evolution of ITS in the quantum computing era.

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