US Patent Issued to Google on Feb. 3 for "Function call authentication for program flow control" (Massachusetts Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,582, issued on Feb. 3, was assigned to Google LLC (Mountain View, Calif.).

"Function call authentication for program flow control" was invented by Miguel Cristian Young de la Sota (Cambridge, Mass.) and Mehmet Alphan Ulusoy (Framingham, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This document discloses aspects of function call authorization for program flow control. In some aspects, a processor encounters a first instruction to initiate or call a function. The processor compares an immediate value of a second instruction at an entry point of the function to a function call authorization value stored in a register. In response to the immedia...