An anti-fraud method for use in an in-vehicle network system including a plurality of electronic control units that exchange data frames, each having added thereto a MAC, via a bus includes a receiving step of receiving a data frame transmitted on the bus, a verification step of generating a MAC by using data and verifying that the data frame received in the receiving step has added thereto the MAC, and an update processing step of performing an update process on the data used for generating the MAC in a case where verification has failed in the verification step.
IN-VEHICLE NETWORK SYSTEM, FRAUD-SENSING ELECTRONIC CONTROL UNIT, AND ANTI-FRAUD METHOD
FAHRZEUGINTERNES NETZWERKSYSTEM, ELEKTRONISCHE STEUEREINHEIT ZUR BETRUGSERKENNUNG UND BETRUGSBEKÄMPFUNGSVERFAHREN
SYSTÈME DE RÉSEAU EMBARQUÉ, UNITÉ DE CONTRÔLE ÉLECTRONIQUE DE DÉTECTION DE FRAUDE ET PROCÉDÉ ANTI-FRAUDE
2023-08-02
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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