Low-power-consumption communication method and device for safety group of internet of things
A communication method and technology of the Internet of Things, which are applied in the field of low-power consumption Internet of Things security group communication methods and devices, can solve problems such as lack of flexibility, high overhead, and difficult to calculate overhead, so as to improve flexibility, security, and low cost. The effect of power consumption
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[0069] The solution of the preferred embodiment of the present invention is mainly: combining the hash function and the key tree, which can not only realize the negotiation communication of the group key, but also ensure the fast and efficient update of the group key, and adopt the blacklist technology And an abnormal node detection based on voting mechanism is designed to improve the flexibility and security of IoT security group communication.
[0070] The present invention proposes a security group communication protocol method based on the Internet of Things network that can dynamically change the topology structure, and some key algorithms in the protocol, including efficient group key negotiation, update algorithm, and malicious node discovery algorithm, to dynamically implement security Policy model and implementation method; the purpose is to fundamentally improve the flexibility, security and efficiency of IoT security group communication. At the same time, since key ...
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