Equipment key updating method and device, storage medium and electronic equipment

Abstract

The embodiment of the invention discloses an equipment key updating method and device, a storage medium and electronic equipment. The method comprises the following steps: reading clock information for timing, and if the clock information meets a key updating interval of current equipment, generating a key updating request of the current equipment; encrypting the equipment identifier of the current equipment and the key updating request, and sending the equipment identifier and the key updating request to a data concentrator, and decrypting the received data by the data concentrator and generating key updating feedback information; receiving encrypted key update feedback information sent by the data concentrator, and performing decryption processing to obtain the key update feedback information; and if the key updating feedback information comprises a key updating instruction, carrying out key updating on the current equipment. According to the embodiment of the invention, the method that the current equipment actively initiates the key updating request under the condition that the current equipment meets the key updating interval is adopted, so that the key updating request is specifically initiated to the data concentrator, the burden of the server is greatly reduced, and the key updating efficiency is improved.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of device interconnection, and in particular, relate to a device key update method, device, storage medium, and electronic device. Background technique [0002] As more and more electronic devices are connected to the smart distribution network system, power information security issues such as key update are less considered. [0003] At present, the key update of electronic equipment connected to the smart distribution network system is generally achieved by dividing the security management policies and keys of different groups, and relying on the mutual transmission of information between group member devices and key servers. renew. However, the above key update method uses multicast as a whole to send information. When one or more group member devices do not support multicast in the network, the burden on the server will be greatly increased, resulting in slow key update efficiency. ...

AI Technical Summary

Problems solved by technology

However, the above key update method uses multicast as a whole to send information. When one or more group member devices in the network do not support multicast, the burden on the server will be greatly increased, resulting in slow key update efficiency.

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