ALEXANDRIA, Va., July 16 -- United States Patent no. 12,361,119, issued on July 15, was assigned to Apple Inc. (Cupertino, Calif.).

"Consistent speculation of pointer authentication" was invented by John D Pape (Cedar Park, Texas), Deepankar Duggal (Sunnyvale, Calif.), Christopher M Tsay (Austin, Texas), Andrew H Lin (Mountain View, Calif.) and Corey C Stappenbeck (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an embodiment, a processor includes hardware circuitry which may be used to authenticate instruction operands. The processor may execute instructions that perform operand authentication both speculatively and non-speculatively. During speculative execution of such instructions, th...