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.
IN-CAR NETWORK SYSTEM, ELECTRONIC CONTROL UNIT AND UPDATE PROCESSING METHOD
BORDNETZWERKSYSTEM, ELEKTRONISCHE STEUERUNGSEINHEIT UND AKTUALISIERUNGSVERARBEITUNGSVERFAHREN
SYSTÈME DE RÉSEAU DANS UNE VOITURE, UNITÉ DE COMMANDE ÉLECTRONIQUE ET PROCÉDÉ DE TRAITEMENT DE MISE À JOUR
2018-12-26
Patent
Electronic Resource
English
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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