STMicroelectronics Assigned Patent
Secured Storage of Ciphering Keys
By Francis Pelletier | December 26, 2024 at 2:00 pmSTMicroelectronics (Grand Ouest) SAS, Le Mans, France, and STMicroelectronics (Alps), Grenoble, France, has been assigned a patent (12045378) developed by Albesa; Franck, Parigne l’eveque, France, and Anquet; Nicolas, Grenoble, France, for a “secured Storage Of Ciphering Keys.“
The abstract of the patent published by the U.S. Patent and Trademark Office states: “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.”
The patent application was filed on 2022-03-30 (17/657212).











