To share key information for a control device installed in an object between a user terminal and a third party terminal while securing security.SOLUTION: A key information sharing system includes a distribution device 400 for distributing key information for a control device installed in an object 10 and a user terminal 200 that receives key information distributed from the distribution device 400. The distribution device 400 adds, to key information I1 delivered to a user terminal 200a, deliverable information I2 that allows the key information I1 to be delivered between a user terminal 200a and a third party terminal 200b without passing through the distribution device 400. When the deliverable information I2 is added to the received key information I1, the user terminal 200a transmits the key information I1 to the third party terminal 200b in accordance with the user's input operation.SELECTED DRAWING: Figure 4
【課題】対象物に設置された制御装置用の鍵情報を、セキュリティ性を確保しつつユーザ端末と第三者端末とで共有することを可能とする。【解決手段】鍵情報共有システムは、対象物10に設置された制御装置用の鍵情報を配信する配信装置400と、配信装置400から配信される鍵情報を受信するユーザ端末200と、を備える。配信装置400は、ユーザ端末200aに配信する鍵情報I1に対して、該ユーザ端末200aと第三者端末200bとの間で該配信装置400を介さずに該鍵情報I1を受け渡し可能とする受け渡し可能情報I2を付加する。ユーザ端末200aは、受信した鍵情報I1に受け渡し可能情報I2が付加されていた場合、ユーザの入力操作に応じて、該鍵情報I1を第三者端末200bに送信する。【選択図】図4
KEY INFORMATION SHARING SYSTEM, DISTRIBUTION DEVICE, AND USER TERMINAL
鍵情報共有システム、配信装置、ユーザ端末
2019-06-13
Patent
Electronic Resource
Japanese
IPC: | H04M TELEPHONIC COMMUNICATION , Fernsprechverkehr / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / E05B LOCKS , Schlösser / G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / H04Q Wähltechnik , SELECTING |
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