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Authentication method and wireless connection device

一种无线连接装置、认证方法的技术，应用在安全装置、无线通信、数字数据认证等方向，能够解决第三者非法利用等问题

Active Publication Date: 2017-08-04
BUFFALO CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, once the password is leaked, it is sometimes illegally used by a malicious third party

Method used

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  • Authentication method and wireless connection device
  • Authentication method and wireless connection device
  • Authentication method and wireless connection device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0073] A-1. The general structure of the system:

[0074] figure 1 It is an explanatory diagram showing a schematic configuration of a network system using a wireless network relay device according to an embodiment of the present invention. The network system 1000 includes a wireless network relay device 10 as a wireless connection device and two client devices 20 and 30 . In addition, the client device is simply referred to as "client" below.

[0075] The wireless network relay device 10 in this embodiment is an access point device conforming to IEEE802.11. The wireless network relay device 10 is also referred to as "AP10" below. The AP 10 relays the wireless communications of the client devices 20 and 30 . In this embodiment, AP10 also functions as a router, and is connected to the Internet INT via a wired cable. AP10 supports conventionally known AOSS (AirStationOne-Touch Secure System: one-touch wireless network simple setup system) and WPS (Wi-Fi ProtectedSetup: W...

no. 1 example

[0154] As above, according to the first embodiment of the simple authentication process, the AP 10 (wireless connection device) causes the PC 20 (client device) to display that a plurality of groups are assigned in a correspondence list in a one-to-one correspondence with each of a plurality of characters. An image group composed of images. In the example of the above-mentioned embodiment, three sets of display are performed using the three image selection boxes C71, C72, and C73 of the authentication screen W7. Furthermore, the AP 10 acquires designation of one image and designation of order for each image group ( C71 , C72 , C73 ). That is, since the operation of specifying the images and specifying the order of the plurality of displayed image groups is only required on the PC 20 side, the input is simple. In addition, on the PC 20 side, images are designated one by one from a plurality of image groups, so that the degree of freedom of image designation can be increased, a...

no. 2 approach

[0184] In the second embodiment of the present invention, a configuration in which filtering processing executed in wireless communication setting processing is different will be described. In addition, "filtering processing" here means that AP10 discards the source MAC address and in step S112 ( Figure 5 ) to process packets whose MAC addresses are inconsistent. Only parts having different configurations and operations from those of the first embodiment will be described below. In addition, in the drawings, the same reference numerals as those of the first embodiment described above are attached to the same structural parts as those of the first embodiment, and detailed description thereof will be omitted.

[0185] Figure 24 It is a sequence diagram showing the procedure of wireless communication setting processing in the second embodiment. In addition, in Figure 24 For the convenience of illustration, the illustration of step PH4 (acquisition of recommended files by t...

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Abstract

A method of authenticating a client device, the method including: (a) sending information to a client device indicating an image group to be displayed by the client device, wherein the image group includes a plurality of images each assigned to a respective one of a plurality of characters; (b) obtaining, from the client device, a plurality of images selected from the image group displayed by the client device and a specified order of the plurality of selected images; (c) creating a set of characters based on the plurality of selected images, the specified order of the plurality of selected images, and the characters assigned to each of the plurality of selected images; and (d) authenticating the client device based on a determination of whether the created set of characters matches information of a permission candidate stored in advance by the wireless connection device.

Description

[0001] This application claims priority based on Japanese Patent Application No. 2012-118843 filed on May 24, 2012, and the entire disclosure thereof is incorporated herein by reference. technical field [0002] The invention relates to a wireless communication authentication technology. Background technique [0003] It is known that a user using a wireless network relay device generally authenticates using a password composed of a character string in order to confirm whether or not the user has the authority to use the wireless network relay device. When authentication is performed using a password, a fixed password method in which authentication is performed by inputting a predetermined user name and a corresponding password is widely used. The fixed password method is widely used because of its simplicity, but there is a possibility of password leakage. In the fixed password method, the password is in an easily duplicatable format such as a character string, and the once...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/36
CPCH04L63/0838H04W12/06H04W12/77
Inventor 沙武寿·沙哈里尔
Owner BUFFALO CORP LTD
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