Patent · US Active

Systems and methods for disabling a malicious ECU in a controller area network (CAN) bus

US11030310B2 · kind B2 · utility

5Cited by
1References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 2017
Grant dateJun 8, 2021
Priority date
Expiry dateAug 17, 2037

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2012/40215
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

There is provided a computer implemented method of disabling a malicious electronic control unit (ECU) of a plurality of ECUs in communication with a controller area network (CAN) bus network, the method executed by a computing device in communication with the plurality of ECUs and the CAN bus network, the method comprising: detecting a malicious message transmitted by the malicious ECU over the CAN bus network, and injecting a plurality of bits over the CAN bus network to trigger a predefined plurality of errors for disabling the malicious ECU before the malicious ECU makes an additional attempt to retransmit an additional instance of the malicious message.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.