Patent ID: 9531721
Filing Date: 2016-12-27
CPC Classification: G06F,G07C,H04L,H04W

Claim Text:
1. A method for controlling a network access control system having a server, a mobile device, and a lock device, the method comprising: encrypting, by the server, a first identifier related to a registered user of the mobile device; communicating the encrypted first identifier to the mobile device; receiving, by the lock device from the mobile device, a first data set, the first data set including at least the encrypted first identifier; encrypting, by the lock device, at least the received first data set to generate a second data set; communicating the encrypted second data set from the lock device to the mobile device; receiving, by the server from the mobile device, a third data set, the third data set including at least the encrypted second data set and a second identifier, the second identifier being related to a registered user of the mobile device; extracting, by the server, from the communicated third data set the first and second identifiers by decrypting, using an encryption key, at least a portion of the second data set included in the received third data set to extract the first data set; and comparing the extracted first and second identifiers to verify that the second identifier is related to the first identifier.