Access authentication method and device for wireless local area network hotspot

• US 9,420,461 B2
• Filed: 04/11/2012
• Issued: 08/16/2016
• Est. Priority Date: 02/10/2012
• Status: Active Grant

• Current Assignee: ZTE Corporation
• Original Assignee: ZTE Corporation
• Inventors: Yang, Hui
• Primary Examiner(s): ABEDIN, SHANTO
• Application Number:
  US14/378,075
• Publication Number:
  US 20150026774A1
• Time in Patent Office: 1,588 Days
• Field of Search: 726 1- 7, 726 11- 15, 380/255, 380/270, 455/410, 455/411, 370252-255, 709/228, 709/237, 713/168
• US Class Current: 1/1
• CPC Class Codes: H04L 63/083 using passwords cryptographic mechanisms or cryptographic arrangements for entity authentication using a predetermined code H04L9/3226
• CPC Class Codes: H04L 63/0846 using time-dependent-passwords, e.g. periodically changing passwords
• CPC Class Codes: H04W 12/04 Key management, e.g. using generic bootstrapping architecture [GBA]
• CPC Class Codes: H04W 12/06 Authentication
• CPC Class Codes: H04W 12/61 Time-dependent
• CPC Class Codes: H04W 84/02 Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]

Abstract

Disclosed are an access authentication method and device for a WLAN hotspot. The method comprises: an access password of a WLAN hotspot is updated according to a preset update time interval; and access for a wireless workstation which is accessing to the WLAN hotspot through a soft AP is authenticated according to the updated access password. The disclosure can solve the problem in the related art that other users can use traffic without limitation once they have stolen the password which causes great damage to users who pay the bill because the access password of the WLAN hotspot can only be manually updated.

Claims

1. An access authentication method for a wireless local area network (WLAN) hotspot, comprising:

activating an access password update function of the WLAN hotspot and setting the update time interval;

the WLAN hotspot updating an access password of the WLAN hotspot according to a preset update time interval and displaying a prompt that the access password has been updated, wherein the updated access password is generated according to a random generation algorithm;

authenticating access for a wireless workstation which is connecting to the WLAN hotspot through a soft AP according to the updated access password;

when the wireless workstation passes the authentication, detecting whether data traffic accessed by the wireless workstation is greater than a preset traffic threshold; and

when the data traffic accessed by the wireless workstation is greater than the preset traffic threshold, disconnecting the soft AP from the wireless workstation.

2. The method according to claim 1, wherein after authenticating access for a wireless workstation which is connecting to the WLAN hotspot through the soft AP

according to the updated access password, the method further comprises:

if the wireless workstation passes the authentication, detecting whether connection time of the wireless workstation is greater than a preset time threshold; and

if the connection time of the wireless workstation is greater than a preset time threshold, disconnecting the soft AP from the wireless workstation.

3. An access authentication device for a wireless local area network (WLAN) hotspot, comprising:

an updating module configured to update an access password of the WLAN hotspot according to a preset update time interval wherein the updated access password is generated according to a random generation algorithm; and

an authentication module configured to authenticate access for a wireless workstation which is connecting to the WLAN hotspot through a soft AP according to the updated access password;

wherein the updating module comprises;

an updating unit configured to update the access password according to the preset update time interval; and

a display unit configured to display a prompt that the access password has been updated if the access password has been updated;

a first judgment module configured to, when the wireless workstation passes the authentication, detect whether the data traffic accessed by the wireless workstation is greater than a preset traffic threshold; and

a first disconnection module configured to, when the data traffic accessed by the wireless workstation is greater than the preset traffic threshold, disconnect the soft AP from the wireless workstation.

4. The device according to claim 3, wherein the device further comprises:

a second judgment module configured to, if the wireless workstation passes the authentication, detect whether connection time of the wireless workstation is greater than a preset time threshold; and

a second disconnection module configured to, if the connection time of the wireless workstation is greater than the preset time threshold, disconnect the soft AP from the wireless workstation.