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1. (WO2018177143) IDENTITY AUTHENTICATION METHOD AND SYSTEM, SERVER AND TERMINAL

Pub. No.:    WO/2018/177143    International Application No.:    PCT/CN2018/079283
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Sat Mar 17 00:59:59 CET 2018
IPC: H04L 12/28
Applicants: HUAWEI TECHNOLOGIES CO., LTD.
华为技术有限公司
Inventors: CHU, Chengkang
朱成康
SHI, Jie
时杰
FANG, Chengfang
方成方
FANG, Xiwen
方习文
Title: IDENTITY AUTHENTICATION METHOD AND SYSTEM, SERVER AND TERMINAL
Abstract:
Disclosed in the embodiments of the present application is an identity authentication method, comprising: when a server receives a group joining request for joining a trust group which is sent by a first terminal, the server generates a first certificate for the first terminal according to a first version number, and the server sends the first certificate and the first version number to the first terminal; and when the server confirms that a second terminal is revoked from the trust group, the server updates the first version number to a second version number according to a preset rule, the server generates corresponding second certificates for the terminals not revoked from the trust group respectively according to the second version number, and the server sends the corresponding second certificates and second version numbers to the terminals not revoked from the trust group respectively. Hence, a terminal, when carrying out authentication, may carry out identity authentication by means of comparing the version number of a counter part, thus increasing the efficiency of authentication.