US Patent Issued to THALES DIS FRANCE on Dec. 9 for "Method secured against side-channel attacks performing a cryptographic algorithm comprising a polynomial operation" (French Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,910, issued on Dec. 9, was assigned to THALES DIS FRANCE SAS (Meudon, France).

"Method secured against side-channel attacks performing a cryptographic algorithm comprising a polynomial operation" was invented by David Vigilant (Angers, France), Mylene Rousselet (Saint Savournin, France) and Fabrice Perion (Paris).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method to secure against side channel attacks performing a cryptographic operation of a cryptographic algorithm. It includes selecting a multiplier integer t and determining a second integer q' by multiplying said first integer q, determining (S2) an invertible random polynomial R[X...