公开(公告)号：US20230163958A1

公开(公告)日：2023-05-25

申请号：US18158890

申请日：2023-01-24

Applicant: Huawei Technologies Co., Ltd

Inventor： De Sheng ,  Zhonghua Hu ,  Shu Zhang ,  Jingyi Wang ,  Hao Zhang

IPC: H04L9/08

CPC classification number: H04L9/0838 ,  H04L9/085 ,  H04L9/0861 ,  H04L9/0891

Abstract: A pre-shared key (PSK) updating method is disclosed. A first communication apparatus stores a first PSK for processing, within an aging periodicity of the first PSK, a packet exchanged between the first communication apparatus and a second communication apparatus. The first communication apparatus may receive, within the aging periodicity of the first PSK, a first protocol packet that is sent by the second communication apparatus and includes a first PSK key material for generating a second PSK. The second PSK is for processing, within an aging periodicity of the second PSK, a packet exchanged between the first communication apparatus and the second communication apparatus.