CN111770588B - Method and system for quickly establishing wireless connection with wireless router - Google Patents
Method and system for quickly establishing wireless connection with wireless router Download PDFInfo
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- CN111770588B CN111770588B CN202010739209.5A CN202010739209A CN111770588B CN 111770588 B CN111770588 B CN 111770588B CN 202010739209 A CN202010739209 A CN 202010739209A CN 111770588 B CN111770588 B CN 111770588B
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- password
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000002452 interceptive effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention provides a method and a system for quickly establishing wireless connection with a wireless router, which relate to the technical field of wireless communication and comprise the following steps: step S1, a client device scans a wireless router, encrypts self device information and sends the encrypted self device information to the wireless router in a broadcast frame mode; step S2, the wireless router receives the broadcast frame, decrypts the equipment information, authenticates the client equipment according to a preset authentication mode, encrypts the service set identifier and the password of the wireless router after the authentication is passed, and sends the encrypted service set identifier and the encrypted service set identifier to the client equipment in the form of the broadcast frame; and step S3, the client device receives the broadcast frame and decrypts the broadcast frame to obtain a service set identifier and a password, and establishes wireless connection with the wireless router according to the service set identifier and the password. The wireless connection method has the advantage that the client device can quickly establish wireless connection with the wireless router without inputting a password.
Description
Technical Field
The present invention relates to the field of wireless communications technologies, and in particular, to a method and a system for quickly establishing a wireless connection with a wireless router.
Background
WIFI is a wireless networking technology, where computers are connected through network cables before, and networking is performed through radio waves at present; a wireless router is common, and the effective coverage range of the wireless router can be networked by adopting a WIFI connection mode. Wi-Fi enabled devices: such as a personal computer, a gaming machine, a smart phone or a digital audio player, may be connected to the network from a wireless network within range. One or more (interconnected) access points, known as hotspots, may constitute an internet space ranging in area from a few rooms to several square miles, the size of the area covered may depend on the overlapping range of the access points. Wi-Fi technology has been used for wireless mesh networks.
A router, in combination with a modem and Wi-Fi access point, typically located in a home room, hotel room or other location, may provide internet connectivity as well as connectivity (wireless or wired) to all devices of the internet. But because the power of the home wireless router is smaller, the signal coverage and signal strength of the home wireless router are also smaller. With the advent of MiFi and WiBro (portable Wi-Fi routers), it is possible to easily create own Wi-Fi hotspots, connecting to the network through a telecommunication network. Many mobile phones (smartphones) can now also act as small wireless routers for surrounding devices to connect to the internet.
In the prior art, a common home network generally uses a wireless router as an intermediary, and a mobile phone, a notebook computer, an internet of things device and the like are connected with the wireless router in a wireless way through a WIFI protocol and access to the internet through the wireless router. The WIFI access mode provided by the router at present is to obtain a wireless router ssid list through scanning, select a corresponding wireless router ssid, input a password and then connect to the router. Therefore, the password is required to be input in the client device in general access, and the connection mode is difficult on the internet of things device without a user interface. Through password access, the access password is also required to be known for temporarily accessed visitor equipment, so that hidden danger of password leakage is caused.
Disclosure of Invention
The invention provides a method for quickly establishing wireless connection with a wireless router, aiming at the problems in the prior art, wherein the electric wave coverage area of the wireless router is provided with at least one client device, and the method for quickly establishing wireless connection with the wireless router specifically comprises the following steps:
step S1, the client device scans the wireless router, encrypts self device information and then sends the encrypted self device information to the wireless router in a broadcast frame mode;
Step S2, the wireless router receives the broadcast frame, decrypts the equipment information, authenticates the client equipment according to a preset authentication mode, encrypts a service set identifier and a password of the wireless router after the authentication is passed, and sends the encrypted service set identifier and password to the client equipment in the form of the broadcast frame;
and step S3, the client device receives the broadcast frame and decrypts the broadcast frame to obtain the service set identifier and the password, and establishes wireless connection with the wireless router according to the service set identifier and the password.
Preferably, the authentication mode is passive authentication;
The step S2 specifically includes:
Step S21a, the wireless router receives the broadcast frame, and detects the signal strength of the broadcast frame, and compares the signal strength with a preset strength threshold:
If the signal strength is greater than the strength threshold, indicating that the authentication is passed, and then turning to step S22a;
if the signal strength is not greater than the strength threshold, exiting;
In step S22a, the wireless router decrypts the device information in the broadcast frame, encrypts the service set identifier and the password according to the decrypted device information, and sends the encrypted service set identifier and the encrypted password to the client device in the form of a broadcast frame.
Preferably, the authentication mode is active authentication;
The step S2 specifically includes:
Step S21b, the wireless router receives the broadcast frame, decrypts the equipment information in the broadcast frame, and records the decrypted equipment information;
step S22b, the wireless router monitors the network connection request sent by the client device in real time, and after receiving the network connection request indicating that the authentication is passed, encrypts the service set identifier and the password according to the decrypted device information, and sends the encrypted service set identifier and the encrypted password to the client device in a broadcast frame mode.
Preferably, the device information includes a device type, and/or a device number, and/or a wifi connection mode supported by the client device, and/or request timestamp information.
Preferably, the device information further includes an interactive encryption information public key, and the wireless router encrypts the service set identifier and the password according to the interactive encryption information public key and then sends the encrypted service set identifier and the encrypted service set password to the client device in the form of the broadcast frame.
Preferably, said encrypting and said decrypting are implemented using an asymmetric encryption algorithm.
A system for quickly establishing a wireless connection with a wireless router, the method for quickly establishing a wireless connection with a wireless router according to any one of the above, the system for quickly establishing a wireless connection with a wireless router comprising:
a client device, the client device comprising:
The encryption unit is used for scanning the wireless router, encrypting the equipment information of the wireless router and transmitting the encrypted equipment information to the wireless router in a broadcast frame mode;
The wireless router is used for receiving the broadcast frame, decrypting the equipment information, authenticating the client equipment according to a preset authentication mode, encrypting the service set identifier and the password of the wireless router after the authentication is passed, and sending the encrypted service set identifier and the encrypted service set identifier to the client equipment in the form of the broadcast frame;
The client device further includes:
And the connection unit is used for receiving the broadcast frame, decrypting the broadcast frame to obtain the service set identifier and the password, and establishing wireless connection with the wireless router according to the service set identifier and the password.
Preferably, the authentication mode is passive authentication; the wireless router specifically includes:
The detection unit is used for receiving the broadcast frame, detecting the signal intensity of the broadcast frame at the same time, generating a corresponding authentication passing signal when the signal intensity is larger than a preset intensity threshold value and outputting the authentication passing signal;
The processing unit is connected with the detection unit and is used for decrypting the equipment information in the broadcast frame according to the authentication passing signal, encrypting the service set identifier and the password of the processing unit according to the decrypted equipment information and then sending the encrypted service set identifier and the encrypted password to the client equipment in a broadcast frame mode.
Preferably, the authentication mode is active authentication; the wireless router specifically includes:
A decryption unit, the wireless router receives the broadcast frame, decrypts the equipment information in the broadcast frame, and records the decrypted equipment information;
And the encryption unit is connected with the decryption unit and is used for monitoring the network connection request sent by the client device in real time, and after receiving the network connection request which indicates that the authentication is passed, the encryption unit encrypts the service set identifier and the password of the encryption unit according to the decrypted device information and then sends the encrypted service set identifier and the encrypted password to the client device in a broadcast frame mode.
The technical scheme has the following advantages or beneficial effects: the client device can quickly establish wireless connection with the wireless router without inputting a password so as to access the encrypted wireless network, prevent the password from being leaked, and meet the requirement of accessing the encrypted wireless network by the Internet of things device without an operable interface or the client device temporarily accessing the wireless network.
Drawings
FIG. 1 is a flow chart of a method for quickly establishing a wireless connection with a wireless router according to a preferred embodiment of the present invention;
FIG. 2 is a flow chart of the wireless router employing passive authentication according to the preferred embodiment of the present invention;
FIG. 3 is a flow chart of the wireless router employing active authentication according to the preferred embodiment of the present invention;
fig. 4 is a schematic diagram of a system for quickly establishing a wireless connection with a wireless router according to a preferred embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present invention is not limited to the embodiment, and other embodiments may fall within the scope of the present invention as long as they conform to the gist of the present invention.
In a preferred embodiment of the present invention, based on the above-mentioned problems existing in the prior art, a method for quickly establishing a wireless connection with a wireless router is provided, where an electric wave coverage area of the wireless router is provided with at least one client device, as shown in fig. 1, and the method for quickly establishing a wireless connection with a wireless router specifically includes the following steps:
Step S1, a client device scans a wireless router, encrypts self device information and sends the encrypted self device information to the wireless router in a broadcast frame mode;
Step S2, the wireless router receives the broadcast frame, decrypts the equipment information, authenticates the client equipment according to a preset authentication mode, encrypts the service set identifier and the password of the wireless router after the authentication is passed, and sends the encrypted service set identifier and the encrypted service set identifier to the client equipment in the form of the broadcast frame;
and step S3, the client device receives the broadcast frame and decrypts the broadcast frame to obtain a service set identifier and a password, and establishes wireless connection with the wireless router according to the service set identifier and the password.
Specifically, in this embodiment, the wireless router can identify the client device to be accessed to the network through a preset authentication mode, and after the authentication is passed, the client device transmits the Service Set Identifier (SSID) and the password of the encrypted wireless router through a broadcast frame, and the client device receives the broadcast frame at the same time, and obtains the Service Set Identifier (SSID) and the password of the wireless router after decryption, so that the client device can be connected to the wireless router to access the internet. The broadcast frame is a WIFI broadcast frame.
Further, a client device that needs to access the wireless network needs to first scan a router signal of the wireless router, encrypt its own device information when the router signal is scanned, and transmit the encrypted device information to the wireless router in the form of a broadcast frame. As a preferred embodiment, the broadcast frame carries encrypted device information, including a device type, a device number, a supported WIFI connection mode, a request timestamp, and an interactive use encryption information public key.
After receiving the broadcast frame sent by the client device, the wireless router decrypts the information in the broadcast frame to obtain the device type, the device number, the supported WIFI connection mode, the request time stamp and the interactive use encryption information public key of the client device. And authenticating the client device according to a preset authentication mode, encrypting a Service Set Identifier (SSID) and a password of the client device by interactively using an encryption information public key after the authentication is passed, and replying the client device in the form of a broadcast frame.
After receiving the broadcast frame replied by the wireless router, the client device decrypts the information through the pairing private key, uses the Service Set Identifier (SSID) and the password obtained through decryption to perform WIFI connection, and simultaneously stops sending the broadcast frame requesting the connection information.
Through the connection process, the client device can quickly establish wireless connection with the wireless router, a user does not need to manually input a connection password of the wireless router, the password is prevented from being leaked, and meanwhile the requirement that the internet of things device without an operability interface or the client device temporarily accessing the wireless network accesses the encrypted wireless network is met.
In a preferred embodiment of the present invention, the authentication mode is passive authentication;
as shown in fig. 2, step S2 specifically includes:
in step S21a, the wireless router receives the broadcast frame, and detects the signal strength of the broadcast frame, and compares the signal strength with a preset strength threshold:
If the signal strength is greater than the strength threshold, the authentication is passed, and then the step S22a is performed;
If the signal strength is not greater than the strength threshold, exiting;
In step S22a, the wireless router decrypts the device information in the broadcast frame, encrypts the service set identifier and the password according to the decrypted device information, and sends the encrypted service set identifier and the encrypted service set identifier to the client device in the form of the broadcast frame.
Specifically, in this embodiment, the user may preset an authentication mode of the wireless router through a management web page of the wireless router or a management Application (APP), where the authentication mode may be passive authentication. In passive authentication, a wireless router detects the signal strength of a broadcast frame transmitted by a client device, and indicates that authentication is passed when the signal strength is greater than a strength threshold. Preferably, in the actual use process, the user can approach the client device to the wireless router, when the wireless router detects that the intensity of the wireless signal sent by the client device is greater than an intensity threshold, the client device and the wireless router are indicated to be close to a distance smaller than 10cm, and the wireless router sends the encrypted service set identifier and the encrypted password to the client.
In a preferred embodiment of the present invention, the authentication mode is active authentication;
As shown in fig. 3, step S2 specifically includes:
Step S21b, the wireless router receives the broadcast frame, decrypts the equipment information in the broadcast frame, and records the decrypted equipment information;
In step S22b, the wireless router monitors the network connection request sent by the client device in real time, and after receiving the network connection request indicating that the authentication is passed, encrypts the service set identifier and the password according to the decrypted device information, and sends the encrypted service set identifier and the encrypted password to the client device in the form of a broadcast frame.
Specifically, in this embodiment, the user may also set the authentication mode of the wireless router to active authentication. In the active authentication, the specific authentication process includes, but is not limited to, that the wireless router receives the broadcast frame and decrypts to obtain the device information, then the device information can be selected not to be replied, the device information is recorded first, after waiting for the network connection request of the user, the user agrees to access the network, that is, authentication is passed, and at this time, the wireless router sends the encrypted service set identifier and the encrypted password to the client.
In a preferred embodiment of the present invention, the device information includes a device type, and/or a device number, and/or a wifi connection mode supported by the client device, and/or request timestamp information.
In a preferred embodiment of the present invention, the device information further includes an interactive use encryption information public key, and the wireless router encrypts its own service set identifier and password according to the interactive use encryption information public key and transmits the encrypted service set identifier and password to the client device in the form of a broadcast frame.
In a preferred embodiment of the invention, encryption and decryption are implemented using an asymmetric encryption algorithm.
Specifically, in the present embodiment, the asymmetric encryption algorithm includes, but is not limited to, an Rsa encryption method.
A system for quickly establishing a wireless connection with a wireless router, the method for quickly establishing a wireless connection with a wireless router using any one of the above, as shown in fig. 4, comprising:
client device 1, client device 1 includes:
An encryption unit 11, configured to scan the wireless router 2, encrypt its own device information, and send the encrypted device information to the wireless router 2 in a broadcast frame format;
The wireless router 2 is used for receiving the broadcast frame, decrypting the equipment information, authenticating the client equipment according to a preset authentication mode, encrypting the service set identifier and the password of the wireless router after the authentication is passed, and transmitting the encrypted service set identifier and the encrypted service set password to the client equipment 1 in the form of the broadcast frame;
The client device 1 further includes:
The connection unit 12 is configured to receive the broadcast frame and decrypt the broadcast frame to obtain a service set identifier and a password, and establish a wireless connection with the wireless router 2 according to the service set identifier and the password.
In a preferred embodiment of the present invention, the authentication mode is passive authentication; the wireless router 2 specifically includes:
a detecting unit 21, configured to receive the broadcast frame, detect signal strength of the broadcast frame at the same time, and generate and output a corresponding authentication passing signal when the signal strength is greater than a preset strength threshold;
A processing unit 22, a connection detection unit 21, configured to decrypt the device information in the broadcast frame according to the authentication passing signal, encrypt the service set identifier and the password according to the decrypted device information, and send the encrypted service set identifier and the encrypted service set password to the client device in the form of the broadcast frame.
In a preferred embodiment of the present invention, the authentication mode is active authentication; the wireless router 2 specifically includes:
a decryption unit 23 for receiving the broadcast frame by the wireless router, decrypting the device information in the broadcast frame, and recording the decrypted device information;
And the encryption unit 24 is connected with the decryption unit 23 and is used for monitoring the network connection request sent by the client device in real time, and after receiving the network connection request representing that the authentication is passed, encrypting the service set identifier and the password of the client device according to the decrypted device information and then sending the encrypted service set identifier and the encrypted service set identifier to the client device in a broadcast frame mode.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and drawings, and are intended to be included within the scope of the present invention.
Claims (9)
1. The method for quickly establishing the wireless connection with the wireless router is characterized in that at least one client device is arranged in an electric wave coverage area of the wireless router, and the method for quickly establishing the wireless connection with the wireless router specifically comprises the following steps:
step S1, the client device scans the wireless router, encrypts self device information and then sends the encrypted self device information to the wireless router in a broadcast frame mode;
Step S2, the wireless router receives the broadcast frame, decrypts the equipment information, authenticates the client equipment according to a preset authentication mode, encrypts a service set identifier and a password of the wireless router after the authentication is passed, and sends the encrypted service set identifier and password to the client equipment in the form of the broadcast frame;
The wireless router performs active authentication according to the signal intensity of the broadcast frame, or records the equipment information contained in the broadcast frame, and waits for passive authentication according to a network connection request of a user;
and step S3, the client device receives the broadcast frame and decrypts the broadcast frame to obtain the service set identifier and the password, and establishes wireless connection with the wireless router according to the service set identifier and the password.
2. The method for quickly establishing a wireless connection with a wireless router according to claim 1, wherein the authentication mode is passive authentication;
The step S2 specifically includes:
Step S21a, the wireless router receives the broadcast frame, and detects the signal strength of the broadcast frame, and compares the signal strength with a preset strength threshold:
If the signal strength is greater than the strength threshold, indicating that the authentication is passed, and then turning to step S22a;
if the signal strength is not greater than the strength threshold, exiting;
In step S22a, the wireless router decrypts the device information in the broadcast frame, encrypts the service set identifier and the password according to the decrypted device information, and sends the encrypted service set identifier and the encrypted password to the client device in the form of a broadcast frame.
3. The method for quickly establishing a wireless connection with a wireless router according to claim 1, wherein the authentication mode is active authentication;
The step S2 specifically includes:
Step S21b, the wireless router receives the broadcast frame, decrypts the equipment information in the broadcast frame, and records the decrypted equipment information;
step S22b, the wireless router monitors the network connection request sent by the client device in real time, and after receiving the network connection request indicating that the authentication is passed, encrypts the service set identifier and the password according to the decrypted device information, and sends the encrypted service set identifier and the encrypted password to the client device in a broadcast frame mode.
4. The method according to claim 1, wherein the device information includes a device type of the client device, and/or a device number, and/or a wifi connection mode supported, and/or request timestamp information.
5. The method according to claim 4, wherein the device information further includes an interactive use encryption information public key, and the wireless router encrypts its own service set identifier and password according to the interactive use encryption information public key and transmits the encrypted service set identifier and password to the client device in the form of the broadcast frame.
6. A method of quickly establishing a wireless connection with a wireless router according to claim 1 or 2 or 3, wherein said encrypting and said decrypting are implemented using an asymmetric encryption algorithm.
7. A system for quickly establishing a wireless connection with a wireless router, wherein the method for quickly establishing a wireless connection with a wireless router according to any one of claims 1-6 is applied, the system for quickly establishing a wireless connection with a wireless router comprising:
a client device, the client device comprising:
The encryption unit is used for scanning the wireless router, encrypting the equipment information of the wireless router and transmitting the encrypted equipment information to the wireless router in a broadcast frame mode;
The wireless router is used for receiving the broadcast frame, decrypting the equipment information, authenticating the client equipment according to a preset authentication mode, encrypting the service set identifier and the password of the wireless router after the authentication is passed, and sending the encrypted service set identifier and the encrypted service set identifier to the client equipment in the form of the broadcast frame;
The wireless router performs active authentication according to the signal intensity of the broadcast frame, or records the equipment information contained in the broadcast frame, and waits for passive authentication according to a network connection request of a user;
The client device further includes:
And the connection unit is used for receiving the broadcast frame, decrypting the broadcast frame to obtain the service set identifier and the password, and establishing wireless connection with the wireless router according to the service set identifier and the password.
8. The system for quickly establishing a wireless connection with a wireless router according to claim 7, wherein the authentication mode is passive authentication; the wireless router specifically includes:
The detection unit is used for receiving the broadcast frame, detecting the signal intensity of the broadcast frame at the same time, generating a corresponding authentication passing signal when the signal intensity is larger than a preset intensity threshold value and outputting the authentication passing signal;
The processing unit is connected with the detection unit and is used for decrypting the equipment information in the broadcast frame according to the authentication passing signal, encrypting the service set identifier and the password of the processing unit according to the decrypted equipment information and then sending the encrypted service set identifier and the encrypted password to the client equipment in a broadcast frame mode.
9. The system for quickly establishing a wireless connection with a wireless router according to claim 7, wherein the authentication mode is active authentication; the wireless router specifically includes:
A decryption unit, the wireless router receives the broadcast frame, decrypts the equipment information in the broadcast frame, and records the decrypted equipment information;
And the encryption unit is connected with the decryption unit and is used for monitoring the network connection request sent by the client device in real time, and after receiving the network connection request which indicates that the authentication is passed, the encryption unit encrypts the service set identifier and the password of the encryption unit according to the decrypted device information and then sends the encrypted service set identifier and the encrypted password to the client device in a broadcast frame mode.
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| CN113891431A (en) * | 2021-09-30 | 2022-01-04 | 长视科技股份有限公司 | Device wireless access method, device, computer device and storage medium |
| CN115426622B (en) * | 2022-09-01 | 2023-10-24 | 深圳慧联软通科技有限公司 | Maintenance method of wireless data acquisition rod and terminal |
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| CN104010352A (en) * | 2014-05-19 | 2014-08-27 | 百度在线网络技术（北京）有限公司 | Method and device for connecting router with intelligent device |
| CN105871777A (en) * | 2015-01-20 | 2016-08-17 | 中兴通讯股份有限公司 | Wireless router access processing method, wireless router access method and device |
| CN106454828A (en) * | 2016-09-30 | 2017-02-22 | 广东美的制冷设备有限公司 | Network access authentication method, network access authentication device, network access device and router |
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| US10560846B2 (en) * | 2014-09-08 | 2020-02-11 | Blackberry Limited | Method and apparatus for authenticating a network entity using unlicensed wireless spectrum |
| US11019489B2 (en) * | 2018-03-26 | 2021-05-25 | Bose Corporation | Automatically connecting to a secured network |
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| CN104010352A (en) * | 2014-05-19 | 2014-08-27 | 百度在线网络技术（北京）有限公司 | Method and device for connecting router with intelligent device |
| CN105871777A (en) * | 2015-01-20 | 2016-08-17 | 中兴通讯股份有限公司 | Wireless router access processing method, wireless router access method and device |
| CN106454828A (en) * | 2016-09-30 | 2017-02-22 | 广东美的制冷设备有限公司 | Network access authentication method, network access authentication device, network access device and router |
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