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. 27, 2026
Filed:
May. 23, 2024
Kioxia Corporation, Tokyo, JP;
Taichi Ejiri, Yokohama Kanagawa, JP;
Kentaro Umesawa, Kawasaki Kanagawa, JP;
KIOXIA CORPORATION, Tokyo, JP;
Abstract
An information processing device includes a first determination unit that determines whether instruction information for issuing an instruction to switch from a first verification method of verifying validity of firmware by using a digital signature generated based on public key encryption to a second verification method of verifying the validity of the firmware by using a message authentication code generated using a message authentication key generated based on a random number has been received, a random number generator that generates the random number, a first generation unit that generates the message authentication key used to generate the message authentication code, based on the random number, when it is determined by the first determination unit that the instruction information has been received, and a second generation unit that generates the message authentication code of the firmware using the message authentication key.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile