ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,755,006, issued on Oct. 6, was assigned to THALES DIS FRANCE SAS (Meudon, France).

"Method for securing against fault attacks a verification algorithm of a digital signature of a message" was invented by David Vigilant (Meudon, France), Xun Li (Meudon, France), Sami Hokuni (Meudon, France) and Janne Rantala (Meudon, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for securing against fault attacks during verification a digital signature of a message on a client device. It performs (S1) at least one check on intermediate parameters that are generated for one that is different from 0 modulo n. It checks that values computed by se...