What type of study is this?

This is a Quantitative Study study.

September 18, 2025

Post Quantum Cryptography on Intravehicular Networks

Puntos clave

PQC algorithms can be implemented onboard resource-constrained automotive devices, improving security.
Testing used power-efficient 32-bit ARM microcontrollers to assess the computational cost of PQC versus modern algorithms.
Communication overhead of PQC algorithms like CRYSTALS-Kyber and Falcon is manageable for vehicular networks.
Memory and bandwidth constraints are critical when considering end-to-end implementation of PQC in automotive environments.

Resumen

This research evaluated the practicality of implementing Post-Quantum Cryptography (PQC) algorithms onboard resource-constrained computing devices, especially those found in automotive platforms. While computational efficiency within PQC is high, memory size and bandwidth constraints become relevant upon consideration of end-to-end implementation. The Controller Area Network (CAN) protocol utilizes only eight (8) bytes of data payload per message, requiring the large keys of PQC algorithms to be split into several messages. Power efficient 32-bit ARM microcontrollers were used for testing. Comparison was made between software implementations of both PQC and modern algorithms to evaluate relative computational cost. Ultimately, this research determined that the communication overhead required by PQC algorithms such as CRYSTALS-Kyber, CRYSTALS-Dilithium, and Falcon is not so egregious as to preclude them from implementation on board vehicular networks.

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Cite This Study

Smith et al. (Tue,) studied this question.

synapsesocial.com/papers/68d462db31b076d99fa62972 https://doi.org/https://doi.org/10.4271/2025-01-0451

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