Patents by Inventor Tai Efraim Ben David

Tai Efraim Ben David has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cryptographic key management for end-to-end communication security
    Patent number: 10903986
    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.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: January 26, 2021
    Assignee: KARAMBA SECURITY LTD.
    Inventors: Amir Herzberg, Assaf Harel, Eli Mordechai, Tai Efraim Ben David, Amiram Dotan, David Barzilai, Itay Khazon