A data communication system (1) is provided with: a center device (2) that arranges update data in a content delivery network (CDN); and a host device (4) that installs update data downloaded from the CDN in an electronic control device to be reprogrammed. The center device encrypts update data by a predetermined encryption method and arranges the encrypted update data in the CDN, and the host device downloads the encrypted update data from the CDN by a split streaming method.
数据通信系统1具备将更新数据配置于内容分发网络(CDN)的中心装置(2)、和将从CDN下载的更新数据安装于重编对象的电子控制装置的主机装置(4)。中心装置通过规定的加密方式对更新数据进行加密并配置于CDN,主机装置以分割流式传输方式从CDN下载进行了加密的更新数据。
Data communication system, center device, host device, update data configuration program, and update data acquisition program
数据通信系统、中心装置、主机装置、更新数据配置程序以及更新数据获取程序
2024-05-07
Patent
Electronic Resource
Chinese
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 / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung |
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