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Securing Vehicular Controller Area Networks: An Approach to Active Bus-Level Countermeasures

机译:确保车辆控制器局域网的安全:主动总线级对策的一种方法

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摘要

This article describes novel bus-level countermeasures for a controller area network (CAN) bus. The proposed methods use custom CAN hardware that leverages the error confinement functionality in the CAN specification to suppress and eventually control malicious transmissions on the bus. Other attempts to prevent unauthorized transmission have required custom CAN controllers on all electronic control units (ECUs). The methods described in this article require only a single custom controller, keeping cost low and making retrofitting legacy systems more practical. We successfully implemented and tested the proposed design on a reference CAN.
机译:本文介绍了控制器局域网(CAN)总线的新颖的总线级对策。所提出的方法使用定制的CAN硬件,该硬件利用CAN规范中的错误限制功能来抑制并最终控制总线上的恶意传输。其他防止未授权传输的尝试要求在所有电子控制单元(ECU)上使用定制的CAN控制器。本文中介绍的方法仅需要单个定制控制器,从而降低了成本,并使改造旧系统更加实用。我们在参考CAN上成功实施并测试了建议的设计。

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