×

Need based controller area network bus authentication

  • US 10,243,941 B2
  • Filed: 11/01/2016
  • Issued: 03/26/2019
  • Est. Priority Date: 11/01/2016
  • Status: Active Grant
First Claim
Patent Images

1. A system comprising:

  • a control module configured to;

    receive a communication packet from a communication node that includes at least one of a vehicle sensor and a vehicle system via a controller area network bus;

    determine whether the communication packet from the communication node indicates that the at least one of the vehicle sensor and the vehicle system associated with the communication node is operating outside of a predetermined acceptable operating parameters of the sensor;

    send an authentication message to the communication node in response to the communication packet indicating that the at least one of the vehicle sensor and the vehicle system is operating outside of the predetermined acceptable operating parameters of the sensor;

    determine whether a valid authentication code is received from the communication node in response to the authentication message; and

    perform a remedial action for the communication node in response to the valid authentication code not being received from the communication node.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×