US Patent Issued to ORANGE on May 5 for "Methods and devices for authentication and verification of non-revocation" (French Inventor)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,165, issued on May 5, was assigned to ORANGE (Issy-les-Moulineaux, France).

"Methods and devices for authentication and verification of non-revocation" was invented by Olivier Sanders (Chatillon Cedex, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "Method and device for authentication of non-revocation. A revocation list includes at least one pair extracted from a signature generated by a revoked entity, where hi is an element of a mathematical group and ki=hixi, where xi is a secret of the revoked entity. A first entity sends, to a second entity, to authenticate itself therewith: a signature generated by the first entity for this authenticatio...