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. 23, 2024
Filed:
Mar. 30, 2022
Applicants:
Stmicroelectronics (Alps) Sas, Grenoble, FR;
Stmicroelectronics (Grand Ouest) Sas, Le Mans, FR;
Inventors:
Franck Albesa, Parigne l'eveque, FR;
Nicolas Anquet, Grenoble, FR;
Assignees:
STMicroelectronics (Grand Ouest) SAS, Le Mans, FR;
STMicroelectronics (Alps) SAS, Grenoble, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/79 (2013.01); G06F 21/60 (2013.01); H04L 9/08 (2006.01); H04L 9/14 (2006.01);
U.S. Cl.
CPC ...
G06F 21/79 (2013.01); G06F 21/602 (2013.01); H04L 9/0894 (2013.01); H04L 9/14 (2013.01);
Abstract
The present disclosure relates to a method for performing a cryptographic operation, the method including generating a first count value by a monotonic counter of a processing device, transmitting the first count value from the monotonic counter to a memory of the processing device, selecting a first encryption key from the memory based on the first count value, and providing the selected first encryption key to a cryptographic processor.