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Group key management method and device, related equipment and storage medium

A management method and group key technology, applied in the field of group key management methods, devices, related equipment and storage media, can solve the problems that the group key management method still needs to be optimized

Pending Publication Date: 2022-05-06
CHINA MOBILE COMM LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in related technologies, the management method of the group key still needs to be optimized

Method used

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  • Group key management method and device, related equipment and storage medium
  • Group key management method and device, related equipment and storage medium
  • Group key management method and device, related equipment and storage medium

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Embodiment Construction

[0140] The technical solution of the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0141] related technologies, such as figure 1 As shown, IoT device terminal 1, terminal 2...terminal n (n is an integer greater than or equal to 2) can form an IoT node group, and through the IoT access gateway (ie group agent node) and server (ie network side device) for communication and data transmission; among them, the access gateway has a built-in root key K0, terminal 1, terminal 2...terminal n has built-in root keys K1, K2...Kn respectively, and the server stores access The root key K0, K1, K2...Kn of each group member node in the gateway and the IoT node group, the root key K0, K1, K2...Kn can be used for the server to perform group member nodes and access gateways Authentication. In addition, terminal 1, terminal 2...terminal n performs internal group communication through the access gateway, terminal 1,...

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PUM

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Abstract

The invention discloses a group key management method and device, network side equipment, a group agent node, a group member node, a communication node and a storage medium. The method comprises the following steps that: network side equipment monitors an updating event of a group key of a node group; when an updating event of the group key of the node group is monitored, determining an updating strategy of the group key according to the monitored updating event; issuing first information to a group agent node of the node group based on the determined updating strategy; receiving second information sent by the group proxy node; updating the self-maintained group key based on the received second information; or third information is issued to the group agent node based on the determined updating strategy; receiving fourth information sent by the group agent node; updating a self-maintained group key based on the received fourth information and the third information and determining fifth information; and issuing the fifth information to each group member node of the node group.

Description

technical field [0001] The present application relates to the technical field of Internet of Things security, and in particular to a group key management method, device, related equipment, and storage medium. Background technique [0002] Several IoT devices can form an IoT node group, and communicate with network-side devices through group proxy nodes. During the process of group member nodes of the IoT node group communicating with network-side devices through group proxy nodes or group member nodes of the IoT node group performing internal group communication, the group key must be used to transmit information involving sensitive data. Processing such as data encryption and data authentication, the life cycle management and update mechanism of the group key are the key to ensure the security of the IoT node group communication. [0003] However, in the related art, the group key management method still needs to be optimized. Contents of the invention [0004] In order...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L9/40
CPCH04L9/0891H04L63/065
Inventor 马冰珂
Owner CHINA MOBILE COMM LTD RES INST
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