Network secret key interaction system, device and method

Abstract

The invention provides a network secret key interaction system, device and method. The system comprises a first device and a second device, wherein the first device is used for sending the generated first interaction information to the second device; the second interaction information sent by the second device after reception of the first interaction information is received; based on the first round of information contained by the first interaction information and the second round of information contained by the second interaction information, a temporary transmission secret key is generated;after the temporary transmission secret key is utilized to encrypt a randomly-generated network secret key, the network secret key is contained in the third interaction information, and the third interaction information with the network secret key is sent to the second device; after the third interaction information is received by the second device, a temporary transmission secret key is generatedbased on the first round of information contained by the first interaction information and the locally-generated second round of information, and the generated temporary transmission secret key is utilized to obtain the network secret key contained in the third interaction information. The system is advantaged in that the network secret key can be negotiated by multiple handshakes, the network secret key can be replaced in time when the network secret key is stolen, and security of wireless network communication is improved.

Description

technical field [0001] The present application relates to the field of data security, in particular, to a network key interaction system, device and method. Background technique [0002] With the continuous development of the Internet of Things technology, the application of the Internet of Things is becoming more and more extensive, and the scale is becoming larger and larger. IoT devices generally use wireless network communication protocols such as ZigBee to communicate. [0003] In the Internet of Things, in order to ensure the efficiency of communication, the existing wireless network communication protocol mainly adopts the measures of unencrypted or less encrypted data transmission; the unencrypted data transmission method means that the encryption is canceled during the communication process. link, which makes the communication information easy to be stolen, and it is easy to cause damage to the interests of multiple parties; the less encrypted data transmission met...

AI Technical Summary

Problems solved by technology

[0003] In the Internet of Things, in order to ensure the efficiency of communication, the existing wireless network communication protocol mainly adopts the measures of unencrypted or less encrypted data transmission; the unencrypted data transmission method means that the encryption is canceled during the communication process. link, which makes the communication information easy to be stolen, and it is easy to cause damage to the interests of multiple parties; the less encrypted data transmission method mainly uses the factory-set predefined key for data encryption transmission; although the data security is guaranteed to a certain extent , but the predefined key cannot be changed, once stolen, it will also cause information leakage

[0004] Therefore, the poor security of wireless network communication has become an urgent problem to be solved

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