公开(公告)号：US20190215904A1

公开(公告)日：2019-07-11

申请号：US16351772

申请日：2019-03-13

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Rong WU ,  Bo ZHANG ,  Lu GAN

IPC: H04W80/10 ,  H04W12/06 ,  H04W88/16

Abstract: Embodiments of the present disclosure disclose a network roaming protection method and related device. The method includes: receiving, by a visited session management device, a first session establishment request that includes a first security requirement; obtaining, by the visited session management device, a target security policy, where the target security policy is obtained by processing the first security requirement set and a second security requirement set using a preset rule; and sending the target security policy to the UE instructing the UE to generate a target shared key based on a reference shared key and according to a rule defined by the target security policy, where the target shared key is used to protect secure end-to-end data transmission between the UE and the visited gateway.

公开(公告)号：US20190058701A1

公开(公告)日：2019-02-21

申请号：US16169416

申请日：2018-10-24

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Rong WU ,  Bo ZHANG ,  Lu GAN ,  Haiguang WANG

IPC: H04L29/06 ,  H04L9/32 ,  H04L9/08

Abstract: This application provides a key distribution and authentication method, system, and an apparatus. The method includes: a service center server distributes different keys to terminal devices, and then the terminal devices perform mutual authentication with the network authentication server based on respective keys and finally obtain communication keys for communication between the terminal devices and a functional network element. This provides a method for establishing a secure communication channel for the terminal device, having a broad application range.