PROBLEM TO BE SOLVED: To provide a fraud-detection electronic control unit that can reduce the possibility that a proper frame is erroneously detected as a fraud-frame when a fraud-frame is transmitted in a fraud-detection method for detecting transmission of a fraud-frame in an on-vehicle network.SOLUTION: A fraud-detection electronic control unit 100 in an on-vehicle network system having a plurality of electronic control units communicating via a bus according to a CAN protocol comprises a transceiver unit 130 for performing a reception step of receiving a data frame transmitted on the bus, and a fraud-detection processor 152 for executing, as fraud detection of a target data frame as a data frame having a first identifier, a detection step of performing an estimation according to a reception timing of a reference data as a data frame having a second identifier different from the first identifier and a reception timing of a target data frame on the basis of a predetermined rule for defining a reception interval between the reference data frame and the target data frame.SELECTED DRAWING: Figure 4

    【課題】車載ネットワークでの不正なフレームの送信を検知する不正検知方法であって、不正フレームが送信された場合に適正なフレームを不正と誤検知する可能性を低減させた不正検知電子制御ユニットを提供する。【解決手段】CANプロトコルに従ってバスを介して通信を行う複数の電子制御ユニットを備える車載ネットワークシステムにおける不正検知電子制御ユニット100は、バス上で送信されたデータフレームを受信する受信ステップを行うトランシーバ部130と、第1識別子を有するデータフレームである対象データフレームの不正検知として、第1識別子と異なる第2識別子を有するデータフレームである基準データフレームと対象データフレームとの受信間隔を規定する所定ルールに基づいて、基準データフレームの受信タイミングと対象データフレームの受信タイミングとに応じて、評価を行う検知ステップを行う不正検知処理部152とを備える。【選択図】図4


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    Title :

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


    Additional title:

    不正検知方法、不正検知電子制御ユニット及び不正検知システム


    Contributors:

    Publication date :

    2017-03-09


    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



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