The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 19, 2025
Filed:
Nov. 20, 2023
Huawei Technologies Co., Ltd., Shenzhen, CN;
Xueqiang Yan, Shanghai, CN;
Mingyu Zhao, Shanghai, CN;
Jianjun Wu, Shenzhen, CN;
Min Yan, Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
Embodiments of this application provide a user data management method and a related device, to improve user data security. The method includes: A data request device sends a first request to a blockchain platform, where the first request indicates that the data request device needs to access a data storage device. The data request device receives first permission information sent by the blockchain platform, where the first permission information indicates whether the data request device has permission to access the data storage device, and the permission is related to signature information of the data request device, an access type, and an operator public key; and sends a second request to the data storage device if the first permission information indicates that the data request device has the permission to access the data storage device, where the second request includes an access address and an operator private key signature.