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:
Nov. 30, 2021
Filed:
Sep. 29, 2017
Huawei Technologies Co., Ltd., Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
Embodiments of the application provide a device identifier access method and relate to the field of communications technologies, so as to reduce a risk of privacy leakage, and improve device security of a terminal. The method implemented by a terminal, includes: receiving request information for accessing a first device identifier by a target application; determining first access permission used when the target application accesses the first device identifier, where the first access permission includes one of the following: prohibiting access to the first device identifier, allowing access to a real value of the first device identifier, and allowing access to a dummy value of the first device identifier; and when the first access permission is allowing access to the dummy value of the first device identifier, returning the dummy value of the first device identifier to the target application.