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. 03, 2020
Filed:
Jan. 07, 2019
Mellanox Technologies, Ltd., Yokneam, IL;
Yuval Itkin, Zoran, IL;
Ahmad Atamlh, Oxford, GB;
MELLANOX TECHNOLOGIES, LTD., Yokneam, IL;
Abstract
Apparatus having a firmware memory storing firmware, a cache memory loading at least part of the firmware for execution by a processor, and a firmware checking engine having a defined syndrome storage location and performing the following iteratively on cache line entries associated with the firmware stored in the cache memory: choose a cache line entry; verify that an address mapped in the cache line entry maps to an address in the firmware memory, and when the cache line entry is locked and the address mapped in the cache line entry maps to an address in the firmware memory, compare a content of the cache line entry to a content of a corresponding address in the firmware stored in the firmware memory, and produce an integrity result indicating whether integrity of the apparatus has been compromised.