ALEXANDRIA, Va., June 18 -- United States Patent no. 12,326,933, issued on June 10, was assigned to COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (Paris).
"Method for protecting against side-channel attacks" was invented by Olivier Savry (Grenoble, France) and Ezinam-Bertrand Talaki (Grenoble, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method including generating an initialization vector, then producing a new mask using the generated initialization vector and using a secret key, masking a datum to be written to an internal cache memory using the constructed new mask, to obtain a masked datum, storing, in a given word of the internal cache memory, the masked datum and the generat...