Group authentication method

Details Group authentication method Group authentication method

2011-08-23

2011-08-23

Hu, Jinsong (Department: 2617)

Telecommunications

Radiotelephone system

Security or fraud prevention

C340S005800, C379S142050, C380S229000, C380S232000, C380S233000

Reexamination Certificate

active

08005460

ABSTRACT:
A group authentication method adaptable to a communication system is disclosed. The communication system includes a user group, a serving network, and a home network. The user group includes at least one mobile station. The home network pre-distributes a group authentication key to itself and all the mobile stations in the same user group and generates a mobile station authentication key for each mobile station. The home network generates a group list for recording related information of the user group. The home network has a database for recording the group list. The serving network has a database for recording the group list and a group authentication data received from the home network. The group authentication method includes following steps. The serving network performs an identification action to a mobile station. The communication system performs a full authentication action or a local authentication action according to the result of the identification action.

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