Group key hierarchical management method and system for broadband cluster system, and terminal
A layered management and broadband clustering technology, applied in the field of mobile communications, can solve problems such as inability to manage security of group call services, lack of flexibility in group key management, and potential safety hazards
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[0076] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.
[0077] In addition, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.
[0078] An embodiment of the present invention provides a group key hierarchical management method of a broadband cluster system, including:
[0079] The system side generates a group root key for the group, and sends the group root key to terminals in the group;
[0080] When a group call is established, the system side generates a group call security parameter, generates a non-access...
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