Leveraging Hardware Security to Secure Connected Vehicles

Corbett, Christopher; Brunner, Martin; Schmidt, Karsten; Schneider, Rolf Michael; Dannebaum, Udo

doi:10.4271/2018-01-0012

Cited by 2 publications

(1 citation statement)

References 5 publications

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“…The computing core is necessary, and it is responsible for the computing tasks, whereas the HSM core is optional, and only those ECUs that include security-critical tasks have HSMs, as security-critical tasks have to send security-critical messages needing to be security-enhanced (such as adding MAC for integrity protection). HSM is used for security protection, such as key storage, MAC generation, message encryption/decryption, and others [26].…”

Section: System Modelmentioning

confidence: 99%

Security-Related Hardware Cost Optimization for CAN FD-Based Automotive Cyber-Physical Systems

Xie

Guo

Yang

et al. 2021

Sensors

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The introduction of various networks into automotive cyber-physical systems (ACPS) brings great challenges on security protection of ACPS functions, the auto industry recommends to adopt the hardware security module (HSM)-based multicore ECU to secure in-vehicle networks while meeting the delay constraint. However, this approach incurs significant hardware cost. Consequently, this paper aims to reduce security enhancing-related hardware cost by proposing two efficient design space exploration (DSE) algorithms, namely, stepwise decreasing-based heuristic algorithm (SDH) and interference balancing-based heuristic algorithm (IBH), which explore the task assignment, task scheduling, and message scheduling to minimize the number of required HSMs. Experiments on both synthetical and real data sets show that the proposed SDH and IBH are superior than state-of-the-art algorithm, and the advantage of SDH and IBH becomes more obvious as the increase about the percentage of security-critical tasks. For synthetic data sets, the hardware cost can be reduced by 61.4% and 45.6% averagely for IBH and SDH, respectively; for real data sets, the hardware cost can be reduced by 64.3% and 54.4% on average for IBH and SDH, respectively. Furthermore, IBH is better than SDH in most cases, and the runtime of IBH is two or three orders of magnitude smaller than SDH and state-of-the-art algorithm.

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Section: System Modelmentioning

confidence: 99%

Security-Related Hardware Cost Optimization for CAN FD-Based Automotive Cyber-Physical Systems

Xie

Guo

Yang

et al. 2021

Sensors

View full text Add to dashboard Cite

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Cybersecurity in the Context of Fail-Operational Systems

Schmidt,

Dannebaum,

Schneider

et al. 2024

SAE Technical Paper Series

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<div class="section abstract"><div class="htmlview paragraph">The development of highly automated driving functions (AD) recently rises the demand for so called Fail-Operational systems for native driving functions like steering and braking of vehicles. Fail-Operational systems shall guarantee the availability of driving functions even in presence of failures. This can also mean a degradation of system performance or limiting a system’s remaining operating period. In either case, the goal is independency from a human driver as a permanently situation-aware safety fallback solution to provide a certain level of autonomy.</div><div class="htmlview paragraph">In parallel, the connectivity of modern vehicles is increasing rapidly and especially in vehicles with highly automated functions, there is a high demand for connected functions, Infotainment (web conference, Internet, Shopping) and Entertainment (Streaming, Gaming) to entertain the passengers, who should no longer occupied with driving tasks.</div><div class="htmlview paragraph">But the connectivity is accompanied by potential cyber security risks, eventually compromising a vehicles safety. Therefore, mitigating such risks by appropriate security measures is mandatory.</div><div class="htmlview paragraph">Unfortunately, the combination of functional safety and cyber security requirements aiming on the same target often contains a considerable potential for conflict, as they may be contradicting.</div><div class="htmlview paragraph">Especially in Fail-Operational systems, where system availability is a major safety goal, matching of both fields is quite a challenge. This paper depicts contradictions, raises related open question, offers possible answers and tries to encourage an industry-wide discussion of the stakeholders in the related fields.</div></div>

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Leveraging Hardware Security to Secure Connected Vehicles

Cited by 2 publications

References 5 publications

Security-Related Hardware Cost Optimization for CAN FD-Based Automotive Cyber-Physical Systems

Security-Related Hardware Cost Optimization for CAN FD-Based Automotive Cyber-Physical Systems

Cybersecurity in the Context of Fail-Operational Systems

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