PROBLEM TO BE SOLVED: To provide a technology that mitigates a risk of a roll jam attack when unlocking a door.SOLUTION: A determination section 210 determines whether to unlock a door, based on a rolling code from a mobile unit 10 and a reference calling code to be cross-referenced with the rolling code. An instruction section 212 instructs the mobile unit 10 to increase a rolling code value, in a case where the determination section 210 has decided to unlock the door. A change section 214 increases a reference rolling code value used by the determination section 210, in a case where the mobile unit 10 has approved the instruction by the instruction section 212.SELECTED DRAWING: Figure 5

    【課題】ドアロック解錠におけるロールジャムアタックの危険性を低減する技術を提供する。【解決手段】判定部210は、携帯機10からのローリングコードと、当該ローリングコードと照合すべき参照用のローリングコードとをもとに、ドアロックを解錠するか否かを判定する。指示部212は、判定部210がドアロックの解錠を決定した場合、ローリングコードの値の増加を携帯機10に指示する。変更部214は、指示部212からの指示を携帯機10が承諾した場合、判定部210において使用される参照用のローリングコードの値を増加させる。【選択図】図5


    Access

    Download


    Export, share and cite



    Title :

    ON-VEHICLE UNIT, MOBILE UNIT, AND WIRELESS COMMUNICATION SYSTEM FOR VEHICLE


    Additional title:

    車載器、携帯機、及び車両用無線通信システム


    Contributors:

    Publication date :

    2018-04-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    E05B LOCKS , Schlösser / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H04Q Wähltechnik , SELECTING



    MOBILE UNIT, ON-VEHICLE UNIT, AND WIRELESS COMMUNICATION SYSTEM FOR VEHICLE

    ASANO MOTOKI / TAKIGAWA MASAMI / HAYASHI NAOKI | European Patent Office | 2018

    Free access

    MOBILE UNIT, ON-VEHICLE UNIT, AND WIRELESS COMMUNICATION SYSTEM FOR VEHICLE

    HAYASHI NAOKI / TAKIGAWA MASAMI / ASANO MOTOKI | European Patent Office | 2018

    Free access

    COMMUNICATION SYSTEM FOR VEHICLE, ON-VEHICLE UNIT, MOBILE UNIT AND COMPUTER PROGRAM

    HAMADA YOSHIHIRO / FURUTA TAKUYA / KURATA HIROYUKI | European Patent Office | 2016

    Free access

    ON-VEHICLE UNIT AND WIRELESS COMMUNICATION SYSTEM FOR VEHICLE

    ASANO MOTOKI / TAKIGAWA MASAMI / HAYASHI NAOKI | European Patent Office | 2018

    Free access

    MOBILE UNIT WIRELESS DEVICE, DRIVE UNIT, MOBILE UNIT, AND MOBILE UNIT COMMUNICATION SYSTEM

    OOMIYA HISANOBU / ISIZEKI TOMOHUSA / ITO TAIJI et al. | European Patent Office | 2020

    Free access