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.

Date of Patent:
May. 27, 2025

Filed:

Aug. 15, 2022
Applicant:

China Unionpay Co., Ltd., Shanghai, CN;

Inventors:

Wenhai Yu, Shanghai, CN;

Chengqian Chen, Shanghai, CN;

Assignee:

CHINA UNIONPAY CO., LTD., Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/00 (2013.01); G06F 21/53 (2013.01); G06F 21/64 (2013.01);
U.S. Cl.
CPC ...
G06F 21/53 (2013.01); G06F 21/64 (2013.01);
Abstract

Disclosed in the present application are a model protection method and apparatus, a data processing method and apparatus, and a device and a medium, which are used for improving the security protection of a model. In the present application, a cloud device can determine, from a target model, a first sub-model which is stored in a trusted execution environment (TEE) of a terminal device, and send the first sub-model to the terminal device; the terminal device can store the first sub-model in the TEE of the terminal device; and the TEE can ensure that data processing, etc., are performed in a trusted environment.


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