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首页> 外文期刊>IEEE transactions on dependable and secure computing >Design and Analysis of Secure and Dependable Automotive CPS: A Steer-by-Wire Case Study
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Design and Analysis of Secure and Dependable Automotive CPS: A Steer-by-Wire Case Study

机译：安全可靠汽车CPS的设计与分析：逐线案例研究

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The next generation of automobiles (also known as cybercars) will increasingly incorporate electronic control units (ECUs) in novel automotive control applications. Recent work has demonstrated the vulnerability of modern car control systems to security attacks that directly impacts the cybercar's physical safety and dependability. In this paper, we provide an integrated approach for the design of secure and dependable automotive cyber-physical systems (CPS) using a case study: a steer-by-wire (SBW) application over controller area network (CAN). The challenge is to embed both security and dependability over CAN while ensuring that the real-time constraints of the automotive CPS are not violated. Our approach enables early design feasibility analysis of automotive CPS by embedding essential security primitives (i.e., confidentiality, integrity, and authentication) over CAN subject to the real-time constraints imposed by the desired quality of service and behavioral reliability. Our method leverages multicore ECUs for providing fault tolerance by redundant multi-threading (RMT) and also further enhances RMT for quick error detection and correction. We quantify the error resilience of our approach and evaluate the interplay of performance, fault tolerance, security, and scalability for our SBW case study.
机译：下一代汽车（也称为Cyber​​ Cars）将越来越多地将电子控制单元（ECU）纳入新颖的汽车控制应用中。最近的工作已经证明了现代汽车控制系统对安全攻击的脆弱性，即直接影响Cyber​​ Cyber​​的身体安全和可靠性。在本文中，我们提供了一种使用案例研究设计安全和可靠的汽车网络物理系统（CPS）的综合方法：通过控制器区域网络（CAN）的逐线（SBW）应用。挑战是嵌入安全性和可靠性，同时确保没有侵犯汽车CP的实时约束。我们的方法通过将基本的安全原语（即机密性，完整性和认证）嵌入所需的服务质量和行为可靠性所施加的实时约束来实现汽车CPS的早期设计可行性分析。我们的方法利用多核ECU来提供冗余多线程（RMT）的容错，并且还可以进一步增强RMT，以便快速检测和校正。我们量化了我们方法的误差恢复性，并评估了我们的SBW案例研究的性能，容错，安全性和可扩展性的相互作用。

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