ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,418,428, issued on Sept. 16, was assigned to Devvio Inc. (Albuquerque, N.M.).
"Embedded device authentication system" was invented by Nicholas Williams (Albuquerque, N.M.) and Thomas G Anderson (Albuquerque, N.M.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments of the present invention provide a method of cryptographically identifying and authenticating embedded devices through interaction with a distributed ledger. The device begins with a manufacturer root key and a globally unique identifier. It registers by signing a registration transaction that includes its identifier using its private root key with a digital signature algorithm an...