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:
Jul. 14, 2026
Filed:
Dec. 16, 2022
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Kazutaka Tachibana, Kanagawa, JP;
Tetsuo Yoshida, Kanagawa, JP;
Harunaga Hiwatari, Kanagawa, JP;
Haruki Satou, Kanagawa, JP;
Akira Noguchi, Kanagawa, JP;
Hiroshi Iwasaki, Kanagawa, JP;
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Abstract
An information processing device according to an embodiment of the present disclosure is provided with a memory unit including a stack area, and an information processing unit. The information processing unit executes, after executing a return instruction to a specific address, a determination process configured to determine whether an instruction placed at the specific address is an authentication code verification instruction, and verifies, in a case where the instruction placed at the specific address is consequently determined as the authentication code verification instruction, match or mismatch of an authentication code by executing the authentication code verification instruction.