To provide an encryption key registration system, an encryption key registration method, and an onboard device that can improve security related to the operation of the onboard device.SOLUTION: A capturing unit 27 receives and captures at least a portion of communication data Dt for authentication when an electronic key system 1 is performing authentication communication (for example, smart communication). The communication data Dt is, for example, data exchanged in challenge-response authentication. A notification unit 28 notifies an external encryption key generation device 24 of the communication data Dt acquired by the capturing unit 27. The encryption key generation device 24 generates an encryption key Kt based on the communication data Dt notified from the notification unit 28, and gives the generated encryption key Kt to an onboard device 15 to have it registered.SELECTED DRAWING: Figure 1

    【課題】搭載装置の作動に係るセキュリティ性を向上できる暗号鍵登録システム、暗号鍵登録方法、及び搭載装置を提供する。【解決手段】取込部27は、電子キーシステム1が認証の通信(例えば、スマート通信)を実行しているとき、認証の通信データDtの少なくとも一部を受信して取り込む。通信データDtは、例えば、チャレンジレスポンス認証でやり取りされるデータである。通知部28は、取込部27によって取得された通信データDtを、外部の暗号鍵生成装置24に通知する。暗号鍵生成装置24は、通知部28から通知された通信データDtに基づき暗号鍵Ktを生成するとともに、生成した暗号鍵Ktを搭載装置15に付与して登録させる。【選択図】図1


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    Title :

    ENCRYPTION KEY REGISTRATION SYSTEM, ENCRYPTION KEY REGISTRATION METHOD, AND ONBOARD DEVICE


    Additional title:

    暗号鍵登録システム、暗号鍵登録方法、及び搭載装置


    Contributors:

    Publication date :

    2023-09-05


    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 / E05B LOCKS , Schlösser



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