An update management method causes an external tool, capable of transmitting an update message to update data such as shared keys within electronic control units (ECUs) making up an onboard network, to update shared keys and the like within the ECUs, while reducing the risk of all ECUs being unauthorizedly rewritten in a case where secret information given to the external tool is leaked. The update management method receives and verifies update authority information indicating authority of the external tool. In a case that an update message instructing updating of shared keys or the like of one or multiple ECUs has been transmitted from the external tool, if the verification is successful and the update authority information indicates that the transmission of the update message is within the range of authority of the external tool, the update is executed at the ECU, and otherwise, update at the ECU is inhibited.


    Access

    Download


    Export, share and cite



    Title :

    UPDATE MANAGEMENT METHOD, UPDATE MANAGEMENT SYSTEM, AND NON-TRANSITORY RECORDING MEDIUM


    Contributors:
    HAGA TOMOYUKI (author) / MATSUSHIMA HIDEKI (author) / MAEDA MANABU (author) / UNAGAMI YUJI (author) / ANZAI JUN (author)

    Publication date :

    2017-05-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION , Übertragung digitaler Information, z.B. Telegrafieverkehr / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



    Update management method, update management system, and non-transitory recording medium

    HAGA TOMOYUKI / MATSUSHIMA HIDEKI / MAEDA MANABU et al. | European Patent Office | 2020

    Free access

    Update management method, update management system, and non-transitory recording medium

    HAGA TOMOYUKI / MATSUSHIMA HIDEKI / MAEDA MANABU et al. | European Patent Office | 2022

    Free access

    UPDATE MANAGEMENT METHOD, UPDATE MANAGEMENT SYSTEM, AND NON-TRANSITORY RECORDING MEDIUM

    HAGA TOMOYUKI / MATSUSHIMA HIDEKI / MAEDA MANABU et al. | European Patent Office | 2020

    Free access

    UPDATE VERIFICATION METHOD, UPDATE VERIFICATION SYSTEM, AND NON-TRANSITORY COMPUTER READABLE RECORDING MEDIUM

    UDATE MASATERU / OKA NAOYA / TAKAHASHI YUKI | European Patent Office | 2024

    Free access