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:
Dec. 30, 2024
China Automotive Technology and Research Center Co., Ltd., Tianjin, CN;
China Automotive Chip (Shenzhen) Technology Co., Ltd., Shenzhen, CN;
Xianzhao Xia, Tianjin, CN;
Yujia Li, Tianjin, CN;
Hanbing Wu, Tianjin, CN;
Mingyang Li, Tianjin, CN;
Rui Zhao, Tianjin, CN;
Ruiqing Zhai, Tianjin, CN;
Mingkai Yan, Tianjin, CN;
Changqing Dong, Tianjin, CN;
Hui Rong, Tianjin, CN;
Lixiong Zhang, Tianjin, CN;
CHINA AUTOMOTIVE TECHNOLOGY AND RESEARCH CENTER CO., LTD., Tianjin, CN;
CHINA AUTOMOTIVE CHIP (SHENZHEN) TECHNOLOGY CO., LTD., Shenzhen, CN;
Abstract
Disclosed in the present application are a high-temporal-accuracy electromagnetic fault injection method and apparatus for a cryptographic chip. The method includes: adjusting fault injection time jointly according to peak time and rise time of an electromagnetic pulse signal, thereby enhancing the accuracy of controlling injection time, improving the analysis efficiency and effect of differential fault analysis, and increasing the success rate of the effective fault injection.