ALEXANDRIA, Va., June 16 -- United States Patent no. 12,657,279, issued on June 16, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).

"Firmware authentication" was invented by Jeffrey Kevin Jeansonne (Spring, Texas) and Mason Andrew Gunyuzlu (Spring, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "An example computing device comprises a memory to store control instructions, and a processor to: perform a first authentication of the control instructions using a first key; and in response to receipt of a command to enable a second authentication of the control instructions, add a second key to a one-time programmable portion of the memory, wherein the command is signed using the first key...