The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2026
Filed:
Nov. 21, 2022
Huawei Technologies Co., Ltd., Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
Embodiments of this disclosure provide a communication protection method that includes: a terminal device sends an application session establishment request message to a first application function network element (AF), where the application session establishment request message includes an authentication and key management for application (AKMA) key identifier; and the terminal device receives an application session establishment response message from the first AF, where the application session establishment response message includes a security activation indication. The security activation indication indicates whether to activate security protection on communication between the terminal device and a second AF. The security protection includes confidentiality protection and/or integrity protection performed based on a security key, and the security key is generated based on an AKMA key corresponding to the AKMA key identifier.