ALEXANDRIA, Va., July 7 -- United States Patent no. 12,675,568, issued on July 7, was assigned to Commissariat a l'Energie Atomique et aux Energies Alternatives (Paris).

"Microprocessor equipped with an arithmetic and logic unit and with a hardware security module" was invented by Gaetan Leplus (Grenoble Cedex, France) and Olivier Savry (Grenoble Cedex, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microprocessor is provided to compute a code used to detect an execution fault, using a relationship Ci=P o Fa(Di), where: Fa(Di)=E0 o.. o Eq o.. o ENbE-1(Di), Eq (x)=TAlpham,q o.. o TAlphaj,q o.. o TAlpha1,q o TAlpha1,q(x), and TAlphaj,q is a conditional transposition, configured by a secret parameter A...