A method of operating an access control system of an access license for an area covered by an access control system including a server, at least one access control device, and at least one point of sale device

摘要

According to the operation method of the access control system including the server (3),At least one entry control device (4) and at least one point of sale device (1) are installed in one point of sale device (1) to obtain a license to enter the area covered by the control system, an algorithm for generating and encrypting the access license,In this case, the algorithm can only be executed locally when unlocking through the key, in this case, when a point of sale device is started or connected (1),The password is transmitted to the point of sale device (1) through the server (3),If a point of sale device (1) is not connected to the server (3),The algorithm (1) installed in the point of sale device (1) uses a key, through which access licenses are generated, numbered and marked, such as access licenses generated by outgoing lines, and encrypted in the customer environment using the encryption device (2) of the point of sale device (1).If access control is performed when the point of sale device (1) is not connected to the server (3),Read the out of line access through an access control device (4).According to the label of the access license generated offline, it is determined as the offline access license, and the validity of the access license is verified according to the encrypted data (1) of the point of sale device.