Patent 9514589 was granted and assigned to Accenture on December, 2016 by the United States Patent and Trademark Office.
A secure short-distance-based communication and access control system controls access to a restricted area. A run-time mobile device identifier and keys that may be location-specific, device-specific and time-specific are generated and utilized for secure communication between mobile devices and zone computers. The zone computers can validate users via their mobile devices to allow or deny access to the restricted area.