To provide a system that prevents a process based on a malicious frame transmitted to a bus from being executed by an electronic control unit (ECU).SOLUTION: A fraud handling method used in a network communication system including a plurality of electronic control units that communicate according to the CAN protocol via a bus includes: a determination step for determining whether or not the content of a field indicating an ID in a frame that has started to be transmitted meets a predetermined condition indicating fraud; a recording step for recording a number of detection times for each ID represented by the content of an ID field included in the frame in a case where it is determined that the content of the field indicating the ID of the frame in the determination step is not included in one or more IDs indicated by predetermined ID-list information; and a notification step of notifying that a frame of an ID exceeding a predetermined count has been issued in a case where the number of detection times for each ID recorded by the recording step exceeds the predetermined count.SELECTED DRAWING: Figure 1

    【課題】バスに送信される不正なフレームに基づく処理が電子制御ユニット(ECU)で実行されることを阻止するシステムを提供する。【解決手段】CANプロトコルに従ってバスを介して通信する複数の電子制御ユニットを備えるネットワーク通信システムにおいて用いられる不正対処方法であって、送信が開始されたフレームにおけるIDを表すフィールドの内容が、不正を示す所定条件に該当するか否かを判定する判定ステップと、判定ステップにおいてフレームのIDを表すフィールドの内容が予め定められたIDリスト情報が示す1以上のIDの中に含まれていないと判定された場合に、フレームに含まれるIDフィールドの内容により表されるID毎に、検知回数を記録する記録ステップと、記録ステップにより記録されたID毎の検知回数が所定回数を超えている場合、所定回数を超えたIDのフレームが発行されていることを報知する報知ステップとを含む。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    FRAUD HANDLING METHOD, FRAUD DETECTION ELECTRONIC CONTROL UNIT, AND NETWORK COMMUNICATION SYSTEM


    Additional title:

    不正対処方法、不正検知電子制御ユニットおよびネットワーク通信システム


    Contributors:

    Publication date :

    2020-09-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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



    NETWORK COMMUNICATION SYSTEM, FRAUD DETECTION ELECTRONIC CONTROL UNIT AND FRAUD HANDLING METHOD

    UJIIE YOSHIHIRO / MATSUSHIMA HIDEKI / HAGA TOMOYUKI et al. | European Patent Office | 2021

    Free access

    NETWORK COMMUNICATION SYSTEM, FRAUD DETECTION ELECTRONIC CONTROL UNIT AND FRAUD HANDLING METHOD

    UJIIE YOSHIHIRO / MATSUSHIMA HIDEKI / HAGA TOMOYUKI et al. | European Patent Office | 2015

    Free access

    NETWORK COMMUNICATION SYSTEM, FRAUD DETECTION ELECTRONIC CONTROL UNIT AND ANTI-FRAUD HANDLING METHOD

    UJIIE YOSHIHIRO / MATSUSHIMA HIDEKI / HAGA TOMOYUKI et al. | European Patent Office | 2022

    Free access

    NETWORK COMMUNICATION SYSTEM, FRAUD DETECTION ELECTRONIC CONTROL UNIT, AND FRAUD COPING METHOD

    UJIIE YOSHIHIRO / MATSUSHIMA HIDEKI / HAGA TOMOYUKI et al. | European Patent Office | 2017

    Free access

    FRAUD DETECTION METHOD, FRAUD DETECTION ELECTRONIC CONTROL UNIT AND FRAUD DETECTION SYSTEM

    KISHIKAWA TAKESHI / UJIIE YOSHIHIRO / MAEDA MANABU et al. | European Patent Office | 2017

    Free access