The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 26, 2021
Filed:
Jan. 18, 2019
Karamba Security, Hod Hasharon, IL;
Amir Herzberg, Hod Hasharon, IL;
Assaf Harel, Ramat Hasharon, IL;
Eli Mordechai, Modiin, IL;
Tai Efraim Ben David, Hogla, IL;
Amiram Dotan, Birmingham, MI (US);
David Barzilai, Hod Hasharon, IL;
Itay Khazon, Hod Hasharon, IL;
KARAMBA SECURITY LTD., Hod Hasharon, IL;
Abstract
Technology can be used for sending and receiving messages on a CAN bus with a plurality of ECUs. The technology can include identifying a first message to send to a receiving ECU from a sending ECU; incrementing a sender-version message counter for the message type; determining to create a second session for the message type in the sending ECU; generating a second sender-version session key to be used during the second session in the sending ECU; and resetting the sender-version message counter. The technology further includes processing the first message using the second sender-version session key, including performing an operation to combine the sender-version message counter with the first message to create a combined message and encoding the combined message using the second sender-version session key to create an encoded message. The technology further includes sending the encoded message to the receiving ECU on the CAN bus.