US 12,395,332 B2
Key management method and apparatus
Donglin Wang, Beijing (CN)
Assigned to Beijing Sursen Information Technology Co., Ltd., Beijing (CN)
Filed by Beijing Sursen Information Technology Co., Ltd., Beijing (CN)
Filed on Feb. 28, 2023, as Appl. No. 18/175,886.
Application 18/175,886 is a continuation of application No. PCT/CN2021/115722, filed on Aug. 31, 2021.
Claims priority of application No. 202010897547.1 (CN), filed on Aug. 31, 2020; and application No. 202010899689.1 (CN), filed on Aug. 31, 2020.
Prior Publication US 2023/0208637 A1, Jun. 29, 2023
Int. Cl. G06F 21/00 (2013.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); H04L 9/40 (2022.01)
CPC H04L 9/0894 (2013.01) [H04L 9/3226 (2013.01); H04L 63/105 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A key management method, comprising:
after confirming that a user logs into a digital identity through a first identity authentication mode, acquiring a first character decryption key corresponding to a first character in at least one character of the digital identity; and
decrypting, based on the first character decryption key, an encrypted target key stored in the digital identity to obtain a target key, wherein the target key is used to manage an asset corresponding to the first character,
wherein the acquiring a first character decryption key corresponding to a first character in at least one character of the digital identity comprises:
acquiring a first authentication decryption key corresponding to the first identity authentication mode; and
acquiring an initially encrypted first character decryption key from a server side, and decrypting the initially encrypted first character decryption key by using the first authentication decryption key to obtain the first character decryption key, wherein the first authentication decryption key is generated by an electronic device during creation of the first identity authentication mode.