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. 06, 2025

Filed:

Apr. 01, 2022
Applicant:

Huawei Technologies Co., Ltd., Guangdong, CN;

Inventors:

Bin Cao, Nanjing, CN;

Haiwu Chen, Beijing, CN;

Yan Chen, Nanjing, CN;

Bo Wang, Beijing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2005.12); H04L 9/00 (2021.12);
U.S. Cl.
CPC ...
H04L 9/3247 (2012.12); H04L 9/006 (2012.12); H04L 9/3263 (2012.12);
Abstract

Embodiments of this application disclose a software integrity protection method and apparatus. A first device obtains a first software package, where the first software package includes a first signature made by a first party for a second software package by using a first private key; and the first device performs a signing operation on the first software package by using a second private key, to obtain a third software package including a second signature, where the first private key is controlled by the first party, and the second private key is controlled by a second party. The first device sends the third software package to a second device. The second device verifies the first signature and the second signature in the third software package respectively based on a first public key and a second public key that are prestored, to obtain a verification result.


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