US 12,406,059 B2
Communication method, apparatus, and system
He Li, Shanghai (CN); Rong Wu, Shenzhen (CN); Yizhuang Wu, Beijing (CN); and Ao Lei, Beijing (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzen (CN)
Filed by HUAWEI TECHNOLOGIES CO., LTD., GuangDong (CN)
Filed on Feb. 13, 2023, as Appl. No. 18/168,228.
Application 18/168,228 is a continuation of application No. PCT/CN2020/109382, filed on Aug. 14, 2020.
Prior Publication US 2023/0185910 A1, Jun. 15, 2023
Int. Cl. G06F 21/55 (2013.01); H04L 9/40 (2022.01); H04W 28/08 (2023.01)
CPC G06F 21/554 (2013.01) [H04L 9/40 (2022.05); H04L 63/20 (2013.01); G06F 2221/034 (2013.01); H04W 28/0875 (2020.05)] 20 Claims
OG exemplary drawing
 
1. A communication method, wherein the method comprises:
determining, by a first terminal device, a first security protection method in a discovery procedure between the first terminal device and a second terminal device;
performing, by the first terminal device, security protection on at least one message in a PC5 establishment procedure between the first terminal device and the second terminal device using the first security protection method; and
sending, by the first terminal device, the at least one security-protected message to the second terminal device.