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:
Oct. 06, 2026
Filed:
Mar. 16, 2023
Contemporary Amperex Technology (Hong Kong) Limited, Hong Kong, CN;
CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED, Hong Kong, CN;
Abstract
A vehicle secure start method applicable to an electronic control unit of a vehicle includes, after the vehicle is powered on, signing stored first firmware based on a preset symmetric encryption algorithm and a symmetric key to obtain a first signature value, comparing the first signature value with a stored second signature value, and controlling the vehicle to be securely started in response to the first signature value being same as the second signature value. The symmetric key is generated based on a random number generation algorithm when firmware is received for a first time. The second signature value is generated by performing encryption based on the preset symmetric encryption algorithm and the symmetric key when the first firmware is received.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile