Data transmission method of Internet of Things device, Internet of things device and authentication platform

Abstract

The present invention provides a data transmission method of an Internet of Things device, an Internet of Things device, and an Internet of Things authentication platform. The method includes the following steps that: the Internet of Things device sends an activation request to a registration management platform, wherein the activation request carries the identifier of the Internet of Things device to be activated, a manufacturer public key, and a randomly generated chip public key, so that the registration management platform generates a hardware serial number according to the manufacturer public key and the chip public key; the hardware serial number sent by the Internet of Things authentication platform is received, and a symmetric key is generated according to the hardware serial number; and the symmetric key is called to encrypt transmission data to be uploaded, and decrypt received transmission data. The symmetric key is uniquely corresponding to the Internet of Things device, sothat the Internet of Things device is difficult to be imitated by a hacker, and the stored symmetric key is difficult to be obtained by the hacker; the symmetric key is not stored on a service platform, so that a situation that the symmetric key leaks from the service platform can be prevented, and therefore, the security and reliability of data transmission can be improved.

Description

technical field [0001] The present application relates to the technical field of the Internet of Things, and in particular to a data transmission method of an Internet of Things device, an Internet of Things device and an authentication platform. Background technique [0002] At present, in the technical field of the Internet of Things, data transmission is directly performed between various devices of the Internet of Things, or the data is transmitted after simple encryption. For example, in environmental monitoring applications, it mainly involves on-site acquisition and control equipment, central nodes, and data processing centers; on-site acquisition and control equipment collects data, and sends the collected data to the central node for summary; the central node transparently transmits the summarized data to the data processing center for analysis and processing. In the above application, the transmitted data is not encrypted, which makes the transmitted data easy to ...

AI Technical Summary

Problems solved by technology

Among them, the on-site acquisition and control equipment and the central node have pre-stored keys, which makes the on-site acquisition and control equipment and the central node easy to disclose the key when hackers attack; and the on-site acquisition and control equipment and the key are not one-to-one As a result, the on-site acquisition and control equipment is easily simulated by hackers, thereby leaking the key, making it easy for hackers to obtain the transmitted data, tamper with the transmitted data, etc., thereby reducing the security and reliability of data transmission

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