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. 18, 2025
Filed:
Sep. 01, 2023
Chengdu Haiguang Integrated Circuit Design Co., Ltd., Sichuan, CN;
Xiangjun Xu, Sichuan, CN;
Abstract
Embodiments of the present disclosure provide a key management method, a data protection method, a system, a chip, and a computer device, and the key management method includes: determining a plurality of memory regions that need to be encrypted and protected in a memory and a memory protocol of each memory region; determining, for each CXL memory region, a device identification and address information of the CXL memory region; generating protection key generation information of the CXL memory region; according to the device identification and the address information of the CXL memory region; generating a protection key of the CXL memory region according to a system root key predetermined and the protection key generation information of the CXL memory region.