The present invention enhances the security of program update. In addition, the present invention simplifies program version control. The present invention includes: a decompression and restoration unit that, when differential data between a new execution program and a specific program is input, decompresses and restores the compressed specific program and rewrites the execution program as the specific program; and a differential restoration unit that differentially restores the new execution program from the differential data and the specific program and rewrites the specific program as the new execution program. The present invention also includes: a differential restoration unit that, when differential data between a new execution program and a specific program is input, differentially restores the new execution program from the differential data and the execution program in a memory unit and rewrites the execution program in the memory unit as the new execution program; and a decompression and restoration unit that decompresses and restores the compressed specific program and rewrites the new execution program as the specific program.


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    Titel :

    CAR ONBOARD CONTROL DEVICE AND PROGRAM UPDATING SOFTWARE


    Weitere Titelangaben:

    STEUERUNGSVORRICHTUNG AN BORD EINES FAHRZEUGS UND PROGRAMMAKTUALISIERUNGSSOFTWARE
    DISPOSITIF DE COMMANDE EMBARQUÉ DE VOITURE ET LOGICIEL DE MISE À JOUR DE PROGRAMME


    Beteiligte:
    KUROSAWA KENICHI (Autor:in) / NAKAHARA FUMIHARU (Autor:in) / ABE YUSUKE (Autor:in)

    Erscheinungsdatum :

    23.12.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



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