Cooper & Dunham LLP
Access control method, authentication method, and authentication device
Disclosed is an access control method of an area restricted network system including a central control device and at least one area restricted network. Each area restricted network includes at least a master node. The method comprises a detection step of detecting that an access device has entered into an area restricted network in the area restricted network system; a receipt step of receiving, by a master node in the area restricted network, an authentication information request sent by the access device; a sending step of, in response to the authentication information request, generating and sending the authentication information for the access device by the master node in the area restricted network; and a request step of, by the access device, receiving the authentication information, and then utilizing the authentication information so as to send an authentication request to the central control device.
RICOH COMPANY, LTD.
H H H H
H04L H04L H04L H04L
inventional inventional inventional inventional
Ke Bin Linju Wei Yan
Liao Da Yang Wang Sun