US Patent Issued to STMicroelectronics (Grand Ouest) on Jan. 20 for "Protection of an authentication method" (French Inventors)

ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,530,136, issued on Jan. 20, was assigned to STMicroelectronics (Grand Ouest) SAS (Le Mans, France).

"Protection of an authentication method" was invented by Fabien Arrive (Chasne-sur-illet, France) and Yves Magnaud (Chateaugiron, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device executes an authentication process protected by an authentication counter that is incremented in case of an authentication failure. The incrementation of the counter is protected against unexpected device power-off or power-off attacks. A non-volatile memory is divided into pairs of cells. The protecting includes writing a fixed value D into an active pair of two co...