US Patent Issued to Intel on June 24 for "Systems, methods, and apparatuses to control CPU speculation for the prevention of side-channel attacks" (American, British, Israeli Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,340,224, issued on June 24, was assigned to Intel Corp. (Santa Clara, Calif.).

"Systems, methods, and apparatuses to control CPU speculation for the prevention of side-channel attacks" was invented by Robert S. Chappell (Portland, Ore.), Jason W. Brandt (Austin, Texas), Alan Cox (Abertawe, Great Britain), Asit Mallick (Saratoga, Calif.), Joseph Nuzman (Haifa, Israel) and Arjan Van De Ven (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of instructions are detailed herein including one or more of 1) a branch fence instruction, prefix, or variants (BFENCE); 2) a predictor fence instruction, prefix, or variants (PFENCE); 3) an exc...