Systems and methods for disabling a malicious ECU in a controller area network (CAN) bus
US11030310B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2017 |
| Grant date | Jun 8, 2021 |
| Priority date | — |
| Expiry date | Aug 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.