ALEXANDRIA, Va., July 9 -- United States Patent no. 12,354,424, issued on July 8, was assigned to Apple Inc. (Cupertino, Calif.).

"Techniques for authenticating building/room access terminals" was invented by Oren M. Elrad (San Francisco) and Florian Galdo (Emerald Hills, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The techniques described herein provide for authentication of a reader device over a wireless protocol (e.g., NFC or Bluetooth, BLE). The mobile device can receive and store the static public key of the reader device and one or more credentials, each credential specifying access to an electronic lock. The mobile device can receive an ephemeral reader public key, a reader identifier, and ...