CN111770588A - 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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- CN111770588A CN111770588A CN202010739209.5A CN202010739209A CN111770588A CN 111770588 A CN111770588 A CN 111770588A CN 202010739209 A CN202010739209 A CN 202010739209A CN 111770588 A CN111770588 A CN 111770588A
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- wireless router
- broadcast frame
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- service set
- set identifier
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000002452 interceptive effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- 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]
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, the client device scans the wireless router, encrypts the device information of itself and sends the encrypted device information to the wireless router in the form of broadcast frame; step S2, the wireless router receives the broadcast frame, decrypts the device information, authenticates the client device according to the preset authentication mode, encrypts the service set identification and the password of the wireless router after the authentication is passed, and sends the encrypted service set identification and the encrypted password to the client device 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. The wireless router has the beneficial effect that the client equipment can quickly establish wireless connection with the wireless router without inputting passwords.
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, which is connected with a computer through a network cable in the past, and is connected with the computer through radio waves at present; a wireless router is usually used, and the effective range covered by electric waves of the wireless router can be networked by adopting a WIFI connection mode. Wi-Fi enabled device: such as a personal computer, a game player, 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, called hotspots, may constitute a web space with an area ranging from a few rooms to several square miles, and the amount of coverage may depend on the overlapping range of the access points. Wi-Fi technology has been used in wireless mesh networks.
Routers, which incorporate modems and Wi-Fi access points, are typically located in home rooms, hotel rooms or other locations and may provide internet connectivity and all device connections (wireless or wired) to the internet. However, the power of the household wireless router is small, so the signal coverage and the signal strength are small. With the advent of MiFi and WiBro (portable Wi-Fi routers), it is easy to create their own Wi-Fi hotspot for connection to a network via a telecommunications network. Many mobile phones (smartphones) now also act as small wireless routers for surrounding devices to connect to the internet.
At present, in a common home network, a wireless router is generally used as an intermediary, and a mobile phone, a notebook computer, an internet of things device and the like are in wireless connection with the wireless router through a WIFI protocol and are accessed to the internet through the wireless router. At present, wireless router ssid lists are obtained through scanning in WIFI access modes provided by routers, corresponding wireless router ssids are selected, passwords are input, and then the wireless router ssids can be connected to the routers. Therefore, the password is generally required to be input into the client equipment for access, and the connection mode is difficult on the Internet of things equipment without a user interface. Through password access, for temporarily accessed visitor equipment, the access password also needs to be known, so that hidden danger of password leakage is caused.
Disclosure of Invention
In view of the problems in the prior art, the present invention provides a method for quickly establishing a wireless connection with a wireless router, where an electric wave coverage area of the wireless router is provided with at least one client device, and the method for quickly establishing a wireless connection with a wireless router specifically includes the following steps:
step S1, the client device scans the wireless router, encrypts its own device information and sends it to the wireless router in the form of broadcast frame;
step S2, the wireless router receives the broadcast frame, decrypts the device information, authenticates the client device 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 password to the client device 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, 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 process goes to step S22 a;
if the signal intensity is not greater than the intensity threshold, exiting;
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 service set identifier and the 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 device information in the broadcast frame, and records the decrypted device information;
step S22b, the wireless router monitors a network connection request sent by the client device in real time, and after receiving the network connection request indicating that authentication passes, encrypts the service set identifier and the password thereof 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 device information includes a device type, and/or a device number, and/or a supported wifi connection mode, and/or request timestamp information of the client device.
Preferably, the device information further includes an interactive use encryption information public key, and the wireless router encrypts the service set identifier and the password thereof according to the interactive use encryption information public key and then sends the encrypted service set identifier and the encrypted password to the client device in the form of the broadcast frame.
Preferably, said encrypting and said decrypting are performed using an asymmetric encryption algorithm.
A system for quickly establishing wireless connection with a wireless router, applying any one of the above methods for quickly establishing wireless connection with a wireless router, the system for quickly establishing 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 encryption unit and sending the encrypted equipment information to the wireless router in the form of a broadcast frame;
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 a service set identifier and a password of the wireless router after the authentication is passed, and sending the encrypted service set identifier and the encrypted password to the client equipment in the form of the broadcast frame;
the client device further comprises:
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, and generating and outputting a corresponding authentication passing signal when the signal intensity is greater than a preset intensity threshold value;
and the processing unit is connected with the detection unit and 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 the form of the broadcast frame.
Preferably, the authentication mode is active authentication; the wireless router specifically includes:
the decryption unit is used for receiving the broadcast frame by the wireless router, decrypting the equipment information in the broadcast frame and recording the decrypted equipment information;
and the encryption unit is connected with the decryption unit and used for monitoring the network connection request sent by the client equipment in real time, encrypting the service set identifier and the password according to the decrypted equipment information and then sending the encrypted service set identifier and the encrypted password to the client equipment in the form of a broadcast frame after receiving the network connection request which shows that the authentication passes.
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 to access the encryption wireless network, so that the password is prevented from being leaked, and the requirement that the Internet of things device without an operable interface or the client device temporarily accessed into the wireless network is accessed into the encryption wireless network is met.
Drawings
FIG. 1 is a flow chart illustrating 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 illustrating a wireless router employing passive authentication according to a preferred embodiment of the present invention;
FIG. 3 is a flow chart illustrating a wireless router employing active authentication according to a preferred embodiment of the present invention;
fig. 4 is a schematic structural 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 is described in detail below with reference to the figures and specific embodiments. The present invention is not limited to the embodiment, and other embodiments may be included in the scope of the present invention as long as the gist of the present invention is satisfied.
In a preferred embodiment of the present invention, based on the above problems in the prior art, there is provided a method for quickly establishing a wireless connection with a wireless router, where an electric wave coverage area of the wireless router is provided with at least one client device, as shown in fig. 1, the method for quickly establishing a wireless connection with a wireless router specifically includes the following steps:
step S1, the client device scans the wireless router, encrypts the device information of itself and sends the encrypted device information to the wireless router in the form of broadcast frame;
step S2, the wireless router receives the broadcast frame, decrypts the device information, authenticates the client device according to the preset authentication mode, encrypts the service set identification and the password of the wireless router after the authentication is passed, and sends the encrypted service set identification and the encrypted password to the client device 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.
Specifically, in this embodiment, the wireless router can identify the client device to be connected to the network through a preset authentication method, and transmit the encrypted Service Set Identifier (SSID) and password of the wireless router through the broadcast frame after the authentication is passed, the client device receives the broadcast frame at the same time, and obtains the Service Set Identifier (SSID) and password of the wireless router after decryption, and at this time, 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 device information to the wireless router in the form of a broadcast frame. As a preferred embodiment, the broadcast frame carries encrypted device information, which includes a device type, a device number, a supported WIFI connection mode, a request timestamp, and an interactive public key of encrypted information.
And after receiving the broadcast frame sent by the client equipment, the wireless router decrypts the information in the broadcast frame to obtain the equipment type, the equipment number, the supported WIFI connection mode, the request timestamp and the interactive use encrypted information public key of the client equipment. Authenticating the client equipment according to a preset authentication mode, encrypting a Service Set Identifier (SSID) and a password of the client equipment by interactively using an encryption information public key after the authentication is passed, and replying the client equipment in a broadcast frame mode.
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 meanwhile stops sending the broadcast frame requesting the connection information.
Through the connection process, the client equipment can be quickly connected with the wireless router in a wireless mode, 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 equipment without an operable interface or the client equipment temporarily connected to the wireless network is connected to the encryption wireless network is met.
In the preferred embodiment of the present invention, the authentication method is passive authentication;
as shown in fig. 2, step S2 specifically includes:
step S21a, the wireless router receives the broadcast frame, 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 process goes to step S22 a;
if the signal intensity is not greater than the intensity threshold, exiting;
step S22a, the wireless router decrypts the device information in the broadcast frame, encrypts the service set identifier and the password thereof 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 the broadcast frame.
Specifically, in this embodiment, the user may set in advance an authentication manner of the wireless router through a wireless router management webpage or a management Application (APP), where the authentication manner may be passive authentication. In passive authentication, the wireless router detects the signal strength of a broadcast frame transmitted by the client device, and when the signal strength is greater than a strength threshold, authentication is passed. Preferably, in the actual use process, the user may bring the client device close to the wireless router, and when the wireless router detects that the strength of the wireless signal sent by the client device is greater than a strength threshold, this indicates that the client device and the wireless router have come close to a distance of less than 10cm, and at this time, the wireless router sends the encrypted service set identifier and the encrypted password to the client.
In the preferred embodiment of the present invention, the authentication method is active authentication;
as shown in fig. 3, step S2 specifically includes:
step S21b, the wireless router receives the broadcast frame, decrypts the device information in the broadcast frame, and records the decrypted device 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 passes, encrypts the service set identifier and the password thereof 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 as active authentication. In the active authentication, the specific authentication process includes, but is not limited to, that the wireless router receives the broadcast frame, decrypts the broadcast frame to obtain the device information, and then chooses not to reply the device information, records the device information first, waits for the network connection request of the user, and then indicates that the user agrees to access the network, that is, the 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 of the client device, and/or a device number, and/or a wifi connection mode supported, and/or request timestamp information.
In a preferred embodiment of the present invention, the device information further includes an encryption information public key for interactive use, and the wireless router encrypts the service set identifier and the password thereof according to the encryption information public key for interactive use and then sends the encrypted service set identifier and the password to the client device in the form of a broadcast frame.
In the preferred embodiment of the present invention, an asymmetric encryption algorithm is used to implement encryption and decryption.
Specifically, in this embodiment, the asymmetric encryption algorithm includes, but is not limited to, an Rsa encryption scheme.
A system for quickly establishing a wireless connection with a wireless router, applying any one of the above methods for quickly establishing a wireless connection with a wireless router, as shown in fig. 4, the system for quickly establishing a wireless connection with a wireless router includes:
the encryption unit 11 is configured to scan the wireless router 2, encrypt the device information of the encryption unit, and send the encrypted device information to the wireless router 2 in the form of a broadcast frame;
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 sending the encrypted service set identifier and the encrypted password to the client equipment 1 in the form of the broadcast frame;
the client device 1 further includes:
and the connection unit 12 is configured to receive the broadcast frame, 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 the preferred embodiment of the present invention, the authentication method is passive authentication; the wireless router 2 specifically includes:
the detection unit 21 is configured to receive a broadcast frame, detect a signal strength of the broadcast frame, generate a corresponding authentication passing signal when the signal strength is greater than a preset strength threshold, and output the authentication passing signal;
and the processing unit 22 is connected to the detection unit 21, and is configured to decrypt the device information in the broadcast frame according to the authentication pass signal, encrypt the service set identifier and the password of the device according to the decrypted device information, and send the encrypted service set identifier and the encrypted password to the client device in the form of the broadcast frame.
In the preferred embodiment of the present invention, the authentication method is active authentication; the wireless router 2 specifically includes:
the decryption unit 23, the wireless router receives the broadcast frame, decrypts the device information in the broadcast frame, and records the decrypted device information;
and the encryption unit 24 is connected with the decryption unit 23, and is configured to monitor a network connection request sent by the client device in real time, and after receiving the network connection request indicating that the authentication passes, encrypt the service set identifier and the password of the client device according to the decrypted device information, and send the encrypted service set identifier and the encrypted password to the client device in the form of a broadcast frame.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A method for quickly establishing wireless connection with a 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 wireless connection with the wireless router specifically comprises the following steps:
step S1, the client device scans the wireless router, encrypts its own device information and sends it to the wireless router in the form of broadcast frame;
step S2, the wireless router receives the broadcast frame, decrypts the device information, authenticates the client device 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 password to the client device 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.
2. The method of claim 1, wherein the authentication is passive authentication;
the step S2 specifically includes:
step S21a, the wireless router receives the broadcast frame, 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 process goes to step S22 a;
if the signal intensity is not greater than the intensity threshold, exiting;
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 service set identifier and the password to the client device in the form of a broadcast frame.
3. The method of claim 1, wherein the authentication means is active authentication;
the step S2 specifically includes:
step S21b, the wireless router receives the broadcast frame, decrypts the device information in the broadcast frame, and records the decrypted device information;
step S22b, the wireless router monitors a network connection request sent by the client device in real time, and after receiving the network connection request indicating that authentication passes, encrypts the service set identifier and the password thereof 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.
4. The method of claim 1, wherein the device information comprises a device type, a device number, a wifi connection mode supported, and/or a request timestamp information of the client device.
5. The method as claimed in claim 4, wherein the device information further includes an interactive usage encryption information public key, and the wireless router encrypts its service set identifier and password according to the interactive usage encryption information public key and then sends the encrypted service set identifier and password to the client device in the form of the broadcast frame.
6. A method for quickly establishing a wireless connection with a wireless router according to claim 1, 2 or 3, characterized in that the encryption and the decryption are implemented using an asymmetric encryption algorithm.
7. A system for rapidly establishing wireless connection with a wireless router, wherein the method for rapidly establishing wireless connection with a wireless router according to any one of claims 1 to 6 is applied, and the system for rapidly establishing wireless connection with a wireless router comprises:
a client device, the client device comprising:
the encryption unit is used for scanning the wireless router, encrypting the equipment information of the encryption unit and sending the encrypted equipment information to the wireless router in the form of a broadcast frame;
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 a service set identifier and a password of the wireless router after the authentication is passed, and sending the encrypted service set identifier and the encrypted password to the client equipment in the form of the broadcast frame;
the client device further comprises:
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 rapidly establishing a wireless connection with a wireless router according to claim 7, wherein the authentication manner 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, and generating and outputting a corresponding authentication passing signal when the signal intensity is greater than a preset intensity threshold value;
and the processing unit is connected with the detection unit and 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 the form of the broadcast frame.
9. The system for rapidly establishing a wireless connection with a wireless router according to claim 7, wherein the authentication manner is active authentication; the wireless router specifically includes:
the decryption unit is used for receiving the broadcast frame by the wireless router, decrypting the equipment information in the broadcast frame and recording the decrypted equipment information;
and the encryption unit is connected with the decryption unit and used for monitoring the network connection request sent by the client equipment in real time, encrypting the service set identifier and the password according to the decrypted equipment information and then sending the encrypted service set identifier and the encrypted password to the client equipment in the form of a broadcast frame after receiving the network connection request which shows that the authentication passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739209.5A CN111770588B (en) | 2020-07-28 | Method and system for quickly establishing wireless connection with wireless router |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739209.5A CN111770588B (en) | 2020-07-28 | Method and system for quickly establishing wireless connection with wireless router |
Publications (2)
| Publication Number | Publication Date |
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| CN111770588A true CN111770588A (en) | 2020-10-13 |
| CN111770588B CN111770588B (en) | 2024-04-26 |
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