Internet of Things data management method and device

By organizing IoT devices into groups and using group management devices to store data on the blockchain, the problem of identity privacy leakage of IoT devices is solved, and data traceability and queryability are achieved.

CN113886883BActive Publication Date: 2025-09-30ANT BLOCKCHAIN TECHNOLOGY (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202111212653.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-10-18
Publication Date
2025-09-30
Estimated Expiration
2041-10-18

AI Technical Summary

Technical Problem

When IoT devices are registered in the blockchain network, the privacy information of container customers is leaked, and attackers can infer the customer information corresponding to the IoT devices through the blockchain accounts.

Method used

Organize multiple IoT devices into a group, use a group management device to generate a group public key and a group private key, and store the data in the blockchain with the unified account identity of the group management device. The blockchain node device can only identify the data source as a group rather than a specific device.

Benefits of technology

It protects the identity privacy of IoT devices, prevents customer information leakage, and ensures the traceability and queryability of data.

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Abstract

The present disclosure provides an Internet of Things (IoT) data management method and apparatus. The method is applied to a group management device, the group management device being a management device for a first group, the first group including IoT devices on multiple containers. The method comprises: generating a group public key for the first group and a group private key for a target IoT device in the first group; sending the group private key to the target IoT device so that the target IoT device uses the group private key to sign acquired target data to obtain a digital signature; sending a registration request to a blockchain node device, the registration request including the group public key so that the blockchain node device registers the group public key with the blockchain network, obtains a blockchain account for the group management device, and records the target data and the digital signature in the blockchain account of the group management device.
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