US 12,413,570 B2
Digital certificate obtaining method and apparatus
Weigang Chen, Shaanxi (CN); Peng Li, Shaanxi (CN); Geng Chen, Shaanxi (CN); Xiang Yan, Shaanxi (CN); and Guoqiang Zhang, Shaanxi (CN)
Assigned to CHINA IWNCOMM CO., LTD., Shaanxi (CN)
Appl. No. 18/011,591
Filed by CHINA IWNCOMM CO., LTD., Shaanxi (CN)
PCT Filed May 20, 2021, PCT No. PCT/CN2021/094913
§ 371(c)(1), (2) Date Dec. 20, 2022,
PCT Pub. No. WO2022/007510, PCT Pub. Date Jan. 13, 2022.
Claims priority of application No. 202010640522.3 (CN), filed on Jul. 6, 2020.
Prior Publication US 2023/0164135 A1, May 25, 2023
Int. Cl. H04L 9/40 (2022.01)
CPC H04L 63/0823 (2013.01) [H04L 63/0272 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A digital certificate obtaining method, comprising:
receiving, by a routing device, a network access request sent by a terminal based on a first virtual local area network, wherein the first virtual local area network is associated with a Uniform Resource Locator (URL) of a server such that the terminal obtains a digital certificate for accessing a second virtual local area network by the server;
sending, by the routing device, the URL of the server to the terminal in response to the network access request sent by the terminal based on the first virtual local area network such that the terminal obtains the digital certificate from the server according to the URL.