公开(公告)号：US10116639B2

公开(公告)日：2018-10-30

申请号：US14951114

申请日：2015-11-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Tong Jiang

IPC: H04L29/06 ,  H04W12/06

Abstract: Embodiments of the present disclosure disclose a security controller SC restoration method. The method provided by the embodiments of the present disclosure includes: designating, by a master node, a node to which a backup SC belongs, where the master node includes an original DM or a backup DM; sending, by the master node to a first node, a message indicating the backup SC, where the message indicating the backup SC includes an identifier of the node to which the backup SC belongs; in a case in which a node to which an original SC belongs is disconnected, sending, by the master node to the first node, a message for enabling an SC function, for performing authentication, according to the message for enabling an SC function.