US Patent Issued to THALES DIS FRANCE on Nov. 18 for "Method of replacing a current key in a security element and corresponding security element" (French Inventors)

ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,804, issued on Nov. 18, was assigned to THALES DIS FRANCE SAS (Meudon, France).

"Method of replacing a current key in a security element and corresponding security element" was invented by Henri Ohanian (Ceyreste, France), Nicolas Joubert (Crots, France), Cyril Barras (Saint-Maximin, France) and Oussama Bouzayane (La Ciotat, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure concerns a method of replacing a current key in a security element co-operating with a terminal in a network operated by a network operator, the method includes trying to decrypt the encrypted message by using the current key; selecting in a table stored in the...