US 12,445,272 B2
File key storage method, system and apparatus, electronic device, and storage medium
Enfu Liu, Dongguan (CN)
Assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Guangdong (CN)
Filed by GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD., Dongguan (CN)
Filed on Aug. 16, 2022, as Appl. No. 17/888,719.
Application 17/888,719 is a continuation of application No. PCT/CN2021/074821, filed on Feb. 2, 2021.
Claims priority of application No. 202010124455.X (CN), filed on Feb. 27, 2020.
Prior Publication US 2022/0393861 A1, Dec. 8, 2022
Int. Cl. H04L 9/08 (2006.01); G06F 21/45 (2013.01)
CPC H04L 9/0827 (2013.01) [G06F 21/45 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A file key storage method, performed by a terminal, the method comprising:
receiving an encryption request for a target file;
generating a key for the target file based on the encryption request; and
transmitting a key storage request to an external safety device, wherein the key storage request is configured to request the external safety device to store a correspondence between an identifier of the target file and the key,
wherein the external safety device is a wearable device comprising a first operating system and a second operating system, a storage space of the first operating system being independent of a storage space of the second operating system; and
wherein said transmitting the key storage request to the external safety device comprises:
transmitting the key storage request to the first operating system of the wearable device, wherein the key storage request is configured to instruct the first operating system to store the correspondence between the identifier of the target file and the key in the second operating system.