US 12,250,205 B2
Network connection establishment method and electronic device
Zongqi Liu, Xi'an (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. 17/674,071.
Application 17/674,071 is a continuation of application No. PCT/CN2020/113003, filed on Sep. 2, 2020.
Claims priority of application No. 201910827088.7 (CN), filed on Sep. 3, 2019.
Prior Publication US 2022/0174054 A1, Jun. 2, 2022
Int. Cl. H04L 9/40 (2022.01); H04L 67/141 (2022.01)
CPC H04L 63/08 (2013.01) [H04L 63/061 (2013.01); H04L 63/18 (2013.01); H04L 67/141 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method implemented by a first device, wherein the method comprises:
establishing a data channel with a second device;
updating a current session key based on a preset period;
receiving an obtaining request from the second device through the data channel;
sending, in response to the obtaining request, a first session key to the second device through the data channel, wherein the first session key is the current session key at the time the first device receives the obtaining request;
establishing a first network channel with the second device;
identifying whether a second session key is received through the first network channel within a first preset duration;
when the second session key is received within the first duration, detecting whether the second session key is the same as the first session key;
sending response information to the second device through the first network channel when the second session key is the same as the first session key and responsive to a request from the second device; and
closing the first network channel when the second session key is not received within the first preset duration.