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:
Sep. 01, 2026
Filed:
Dec. 13, 2024
Subaru Corporation, Tokyo, JP;
Hisataro Iinami, Tokyo, JP;
Yusuke Komatsu, Tokyo, JP;
SUBARU CORPORATION, Tokyo, JP;
Abstract
A control system includes a first processor and a second processor. The first processor includes: first security circuitry configured to hold a first encryption key and permit limited access from an external device; and first storage circuitry. The second processor includes: second security circuitry configured to hold a second encryption key and permit limited access from the external device; and second storage circuitry. The first processor is configured to: generate an authentication key to be used for authentication processing; supply the authentication key to the second processor; generate a first authentication key by encrypting the authentication key using the first encryption key; and store the first authentication key in the first storage circuitry. The second processor is configured to: generate a second authentication key by encrypting the authentication key supplied from the first processor using the second encryption key; and store the second authentication key in the second storage circuitry.