A vehicle network system employing a controller area network protocol includes a bus, a first electronic control unit, and a second electronic control unit. The first electronic control unit transmits, via the bus, at least one data frame including an identifier relating to data used for a calculation for obtaining a message authentication code indicating authenticity of transmission content. The second electronic control unit receives the at least one data frame transmitted via the bus and verifies the message authentication code in accordance with the identifier included in the at least one data frame.


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    Titel :

    Vehicle network system whose security is improved using message authentication code


    Beteiligte:
    UJIIE YOSHIHIRO (Autor:in) / TANABE MASATO (Autor:in) / KISHIKAWA TAKESHI (Autor:in) / HAGA TOMOYUKI (Autor:in) / MATSUSHIMA HIDEKI (Autor:in)

    Erscheinungsdatum :

    2021-09-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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