An update processing method for updating data used to generate a MAC in an in-vehicle network system including a plurality of electronic control units that communicate a data frame having a MAC added thereto with one another via a bus in accordance with the CAN protocol is provided. The method includes the detection step of detecting a state of a vehicle having the in-vehicle network system mounted therein and the update step of updating a MAC key used to generate a MAC under the condition that the state of the vehicle detected in the detection step is a predetermined state.


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    Title :

    IN-CAR NETWORK SYSTEM, ELECTRONIC CONTROL UNIT AND UPDATE PROCESSING METHOD


    Additional title:

    BORDNETZWERKSYSTEM, ELEKTRONISCHE STEUERUNGSEINHEIT UND AKTUALISIERUNGSVERARBEITUNGSVERFAHREN
    SYSTÈME DE RÉSEAU DANS UNE VOITURE, UNITÉ DE COMMANDE ÉLECTRONIQUE ET PROCÉDÉ DE TRAITEMENT DE MISE À JOUR


    Contributors:

    Publication date :

    2018-12-26


    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



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