公开(公告)号：US20230232240A1

公开(公告)日：2023-07-20

申请号：US17988431

申请日：2022-11-16

Applicant: ZTE Corporation

Inventor： Shilin YOU ,  Jiyan CAI ,  Zhaoji LIN ,  Jin PENG ,  Yuze LIU ,  Zhen XING ,  Jigang WANG ,  Min LIU

IPC: H04W12/72 ,  H04W12/06 ,  H04W12/0433

CPC classification number: H04W12/72 ,  H04W12/06 ,  H04W12/0433

Abstract: Provided are a subscription data update method and apparatus, a node, and a storage medium, where the method includes: in a case where a first network function node determines that authentication and key management for applications (AKMA) subscription data of a user is updated, determining, by the first network function node, a second network function node storing an AKMA context of the user; sending, by the first network function node, a subscription data management notification message to the second network function node; and receiving, by the first network function node, a subscription data management notification response message sent by the second network function node; where the subscription data management notification response message is sent after the second network function node deletes the AKMA context of the user according to the subscription data management notification message.

公开(公告)号：US20220337408A1

公开(公告)日：2022-10-20

申请号：US17857389

申请日：2022-07-05

Applicant: ZTE Corporation

Inventor： Shilin YOU ,  Jiyan CAI ,  Wantao YU ,  Yuze LIU ,  Jin PENG ,  Zhaoji LIN ,  Yuxin MAO ,  Xiuli XU

IPC: H04L9/08 ,  H04L9/40 ,  H04W12/041 ,  H04W12/03

Abstract: This disclosure generally relates to encrypted communication between terminal devices and service applications via a communication network. Such encrypted communication may be based on various hierarchical levels of encryption keys that are generated and managed by the communication network. Such encrypted communication and key management may be provided by the communication network to the terminal devices as a service that can be subscribed to. The various levels of encryption keys may be managed to improve flexibility of the communication network and to reduce potential security breaches.