US Patent Issued to IDEMIA FRANCE on Jan. 28 for "Method for cryptographic signature of a datum, associated electronic device and associated computer program" (French Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,212,688, issued on Jan. 28, was assigned to IDEMIA FRANCE (Courbevoie, France).

"Method for cryptographic signature of a datum, associated electronic device and associated computer program" was invented by Emmanuelle Dottax (Courbevoie, France), Agathe Houzelot (Courbevoie, France) and Christophe Giraud (Courbevoie, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for cryptographic signature of a datum comprises determining: a signature point equal to the addition of elements equal to a derived first point and of number equal to a first scalar; a second scalar by subtracting, from the product of the first scalar and of a selected scalar, t...