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. 24, 2023
Filed:
Feb. 15, 2021
Applicant:
Sony Semiconductor Israel Ltd., Hod Hasharon, IL;
Inventors:
Assignee:
SONY SEMICONDUCTOR SOLUTIONS CORPORATION, Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/06 (2006.01); H04L 9/32 (2006.01); H04L 9/14 (2006.01); H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3242 (2013.01); H04L 9/0825 (2013.01); H04L 9/0894 (2013.01); H04L 9/14 (2013.01); H04L 9/3247 (2013.01); H04L 9/3265 (2013.01);
Abstract
In one embodiment, an apparatus includes a storage element, and a processing element configured to verify an asymmetric digital signature in order to authenticate a data item signed with the asymmetric digital signature, upon successful verification of the asymmetric digital signature, generate a symmetric MAC of the data item and store the symmetric digital in the storage element, and retrieve and verify the symmetric MAC in order to authenticate the data item.