US 12,413,963 B2
Communication method and apparatus
Fei Li, Shenzhen (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Nov. 9, 2023, as Appl. No. 18/505,391.
Application 18/505,391 is a continuation of application No. PCT/CN2022/089936, filed on Apr. 28, 2022.
Claims priority of application No. 202110504785.6 (CN), filed on May 10, 2021.
Prior Publication US 2024/0089728 A1, Mar. 14, 2024
Int. Cl. H04L 29/06 (2006.01); H04W 12/033 (2021.01); H04W 12/041 (2021.01); H04W 12/06 (2021.01); H04W 12/10 (2021.01)
CPC H04W 12/033 (2021.01) [H04W 12/041 (2021.01); H04W 12/06 (2013.01); H04W 12/10 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving, by a home network security endpoint, a first request from user equipment, wherein the first request comprises a first identifier of the user equipment;
sending, by the home network security endpoint, a second request to a first network function,
wherein the second request comprises a second identifier of the user equipment, and
wherein the second identifier is determined based on the first identifier, or the second identifier is the same as the first identifier,
receiving, by the home network security endpoint, a first key from the first network function, wherein the first key is generated based on a cipher key, an integrity key, and a name of a serving network of the user equipment; and
generating, by the home network security endpoint, a second key based on the first key and an identifier of the home network security endpoint,
wherein the second key comprises at least one of an encryption protection key or an integrity protection key between the user equipment and the home network security endpoint.