US 12,273,344 B2
Communication method, apparatus, and system
Rong Wu, Shenzhen (CN); and He Li, Shanghai (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Feb. 17, 2022, as Appl. No. 17/674,607.
Application 17/674,607 is a continuation of application No. PCT/CN2019/101243, filed on Aug. 18, 2019.
Prior Publication US 2022/0174063 A1, Jun. 2, 2022
Int. Cl. G06F 21/00 (2013.01); H04L 9/40 (2022.01)
CPC H04L 63/0884 (2013.01) [H04L 63/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A communication system, comprising:
an authentication server function network element, wherein the authentication server function network element comprises a first memory storing instructions and a first processor; and
a unified data management network element, wherein the authentication server function network element comprises a second memory storing instructions and a second processor, wherein
the authentication server function network element is configured to send a first request message to the unified data management network element in a registration procedure of a terminal device, wherein the first request message comprises an identifier of the terminal device;
the unified data management network element is configured to: determine, based on subscription data of the terminal device, that the terminal device supports an authentication and key management for applications (AKMA) service; and send a first response message to the authentication server function network element, wherein the first response message comprises first indication information, and the first indication information indicates that the terminal device supports the AKMA service; and
the authentication server function network element is further configured to: determine, based on the first indication information, an AKMA temporary identifier of the terminal device after primary authentication on the terminal device succeeds.