Group authentication method and system in asynchronous group communication of LTE network machine type communication equipment
A machine-type communication and group authentication technology, applied in machine-to-machine/machine-type communication services, wireless communication, transmission systems, etc., can solve problems such as high authentication signaling congestion and communication delays
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[0058] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0059] figure 1 It is a schematic flowchart of a group authentication method in an asynchronous group communication of an MTC device on an LTE network according to an embodiment of the present invention.
[0060] Such as figure 1 As shown, the group authentication method in the asynchronous group communication of LTE network machine type communication equipment provided by the present invention includes two stages of initialization and group authentication, the token needed for group authentication is generated in the initialization stage, and the initialization stage is used in the group authentication stage. Tokens distributed to group members perform group authentication for group members.
[0061] The initialization phase generates authentication tokens for group members as follows:
[0062] 1) The Key Generation Center (KGC) selects a ...
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