CN103945369A - Internet access configuration method for WIFI device by checking length of WIFI data packets - Google Patents

Internet access configuration method for WIFI device by checking length of WIFI data packets Download PDF

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Publication number
CN103945369A
CN103945369A CN201310018532.3A CN201310018532A CN103945369A CN 103945369 A CN103945369 A CN 103945369A CN 201310018532 A CN201310018532 A CN 201310018532A CN 103945369 A CN103945369 A CN 103945369A
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China
Prior art keywords
length
frame
ssid
wifi
password
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310018532.3A
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Chinese (zh)
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CN103945369B (en
Inventor
李志为
刘宗孺
姚博
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Hangzhou Bolian Intelligent Technology Co., Ltd.
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Hangzhou Gubei Electronic Technology Co Ltd
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Application filed by Hangzhou Gubei Electronic Technology Co Ltd filed Critical Hangzhou Gubei Electronic Technology Co Ltd
Priority to CN201310018532.3A priority Critical patent/CN103945369B/en
Priority to PCT/CN2013/001616 priority patent/WO2014110704A1/en
Publication of CN103945369A publication Critical patent/CN103945369A/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/04—Key management, e.g. using generic bootstrapping architecture [GBA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/30—Security of mobile devices; Security of mobile applications
    • H04W12/37—Managing security policies for mobile devices or for controlling mobile applications
    • 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 discloses an Internet access configuration method for a WIFI device by checking the length of WIFI data packets. The method comprises the step that data information frames used for Internet access configuration are generated, wherein each data information frame comprises a preset fixed character string MAGIC-CODE, the data frame length, an SSID length, an SSID, an encryption type and a password; the data frames can be encrypted through an encryption algorithm negotiated by a configuring party and a configured party, and then the encrypted data frames are sent. In the sending process, the length of the data frames corresponds to the number of sent UDPs, and the length corresponding to each UDP is the numerical value of the corresponding data frame.

Description

A kind of by checking that the length of WIFI packet realizes the Internet-surfing configuration method of WIFI equipment
Technical field
The present invention relates to a kind of Internet-surfing configuration method of WIFI equipment.
Background technology
When traditional WIFI equipment is connected with AP, need to first take SSID, auth type, the password of the AP that will connect.
Current collocation method comprises:
1, send the SSID of required connection AP by external communication interface, auth type and password.
This method needs equipment, additionally draws communication interface, gives the appearance design of equipment, and user's operation brings very large difficulty.
2, first WIFI equipment be configured to oneself ap mode or AD-HOC pattern, allows other WIFI equipment (android iOS mobile phone, notebook computer etc.), and login, is then sent required configuration information to be configured in the past by ICP/IP protocol
This method can cause other WIFI equipment can disconnect original WIFI network, causes network to interrupt; Some operating system is as iOS simultaneously, and the exploitation of restricted software, has forbidden the api interface that WIFI connects, thereby causes directly software to be realized, and needs user manually to connect.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of by checking that the length of WIFI packet realizes the Internet-surfing configuration method of WIFI equipment.
Good effect of the present invention is: technique effect:
1, the WIFI equipment being configured, without adding under the prerequisite of AD-HOC or AP function, can complete its online configuration, has reduced the use of device resource
2, without external other communication interface, directly by WIFI radio configuration
3, well compatible, can support the equipment of WIFI communication for various needs, as long as integrated UDP communication protocol can realize the configuration of the WIFI equipment to being configured,
4, solve operating system WIFI api interface being limited as iOS etc., realize the allocation problem of WIFI equipment
5, this collocation method can not be limited to the cryptographic protocol (WEP, WPA, WPA2) of legacy network, because this method is to utilize the length of packet to carry out transmission of information, no matter which kind of encryption method, packet content is encrypted, and data packet length is constant.
Brief description of the drawings
In order to be illustrated more clearly in technical scheme of the present invention, below the accompanying drawing of required use during the present invention is described is briefly described.
Fig. 1 is the building form schematic diagram of the Frame that provides of one embodiment of the present of invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
The Internet-surfing configuration method that a kind of length by inspection WIFI packet of the present invention realizes WIFI equipment comprises the steps:
WIFI configuration device generates the data information frame for the configuration of surfing the Net, and described data information frame comprises predetermined fixed character string MAGIC-CODE, Frame length, SSID length, SSID, encryption type and password; Optionally, described data information frame also comprises check word.Optionally, corresponding relation between described fixed character string, Frame length, SSID length, SSID, encryption type, password and the order of check word and the shared byte number of described fixed character string, Frame length, SSID length, SSID, encryption type, password or check word and represented value be preset or exterior arrangement.
Frame is encrypted by AES cryptographic algorithm.
Send the UDP message bag quantity of Frame length.If data frame length is 60, send 60 UDP, the length of each UDP message bag is the numerical value of the byte of corresponding data frame the inside, the content of UDP message bag is actually invalid content.
Be configured WIFI equipment according to the MAC Address of WIFI equipment, the data of setting up respectively different WIFI equipment send the chained list of length;
Be configured WIFI equipment inspection and whether can mate fixed character string MAGIC-CODE;
If coupling fixed character string, is configured WIFI equipment and obtains Frame;
Whether be correctly configured WIFI equipment inspection verification summation checksum, if correct, obtain SSID according to described Frame, encryption type and password.
Be configured WIFI equipment use described in the SSID that obtains, encryption type is connected corresponding WIFIAP network with password, and sends and confirm broadcast data, confirms to have configured.
Below the implementation of above-described embodiment is specifically illustrated:
First the online of WIFI equipment need to obtain its SSID that connects AP (maximum 32 bytes), encryption type (NONE, WEP, WPA, WPA2), password.
For not also being connected to the equipment of AP, although can listen to the packet of WIFI passage, because most AP networks all passes through to encrypt, therefore cannot obtain the actual data content of its transmission, intelligence listens to the length of the data of transmission.
The present invention's design, exactly in the application program of having developed above its configuration WIFI equipment, send UDP hash string by WIFI network, corresponding our encoded content of the length of different pieces of information string, be configured Supervision hear same WIFI equipment (MAC Address differentiation) send there is the serial data of configuration feature after, obtain its configuration information, realization is configured.
The present invention includes several parts below: coding and the transmission of SSID, encryption type and password above configuration device; Be configured monitoring and the information analysis of equipment.
One, SSID, the Frame composition of encryption type and password
First we configure the SSID of the AP of online as required, encryption type, and password, generates the data information frame of required transmission, and the composition of Frame is as shown in Figure 1.
MAGIC-CODE above, for the WIFI equipment of configuration and the fixed character string that is configured WIFI equipment agreement are as (BLK), is also used for the initial code of identification data frame, takies 3 bytes.
The length of data, 1 byte.
Check word, checks that whether Frame is correct, 2 bytes.By the numerical value in all Frames is added and is obtained.
SSID length, 1 byte
SSID is the SSID character string of the AP in needs configuration
Encryption type: 0none (not encrypting), 1WEP encrypts, and 2WPA encrypts, and 3WPA2 encrypts, and takies 1 byte.
Password: the remaining part of Frame is password string.
Two, the transmission of Frame
The transmission of data, by send a string UDP packet method first.
By each byte of Frame the inside, corresponding numerical value, the length of transmission UDP message bag.Numerical value as corresponding in the character in Frame " 1 " is 31, sends the UDP message bag of 31 bytes.
For example: certain Frame length is 30, circulation sends the packet of 30 UDP, the numerical value of corresponding its correspondence position of data packet length of each UDP.
Three, the WIFI equipment being configured
The WIFI equipment being configured, the passage of each WIFI of scan round, intercepts possible configuration data bag.
The flow process of intercepting:
According to the MAC Address of WIFI equipment, the data of setting up respectively distinct device send the chained list of length
Check and whether can mate MAGIC-CODE
Obtain Frame
Check that whether checksum is correct
Due in process of transmitting, may insert other packet, therefore possible data frame is undesired, needs circulation to monitor
Four, be configured equipment connection WIFI network
When the WIFI equipment being configured obtains correct SSID, after encryption type and password, connect corresponding WIFI AP network, send simultaneously and confirm broadcast data, confirm to have configured.
Technique effect:
By the method for foregoing invention, solve problem below
1, the WIFI equipment being configured, without adding under the prerequisite of AD-HOC or AP function, can complete its online configuration, has reduced the use of device resource
2, without external other communication interface, directly by WIFI radio configuration
3, well compatible, can support the equipment of WIFI communication for various needs, as long as integrated UDP communication protocol can realize the configuration of the WIFI equipment to being configured,
4, solve operating system WIFI api interface being limited as iOS etc., realize the allocation problem of WIFI equipment
Realization in order to demonstrate the invention, has described above-mentioned embodiment.But other variations of the present invention and amendment, be apparent for those skilled in the art, any amendment/variation within the scope of essence disclosed in this invention and basic principle or imitation conversion all belong to claim protection range of the present invention.

Claims (6)

1. an Internet-surfing configuration method for WIFI equipment, is characterized in that,
Generate the data information frame for the configuration of surfing the Net, described data information frame comprises predetermined fixed character string MAGIC-CODE, Frame length, SSID length, SSID, encryption type and password;
Frame is by configuring and be configured the cryptographic algorithm that both sides consult, be encrypted, then the Frame after encrypting sent, in process of transmitting, the number of the corresponding packet sending of length of Frame, the numerical value that the length that each UDP message bag is corresponding is its Frame.
2. Internet-surfing configuration method according to claim 1, is characterized in that, described data information frame also comprises check word.
3. Internet-surfing configuration method according to claim 2, it is characterized in that, corresponding relation between the shared byte number of the order of described fixed character string, Frame length, SSID length, SSID, encryption type, password and check word and described fixed character string, Frame length, SSID length, SSID, encryption type, password or check word and represented value be preset or exterior arrangement.
4. an Internet-surfing configuration method for WIFI equipment, is characterized in that,
According to the MAC Address of WIFI equipment, the data of setting up respectively different WIFI equipment send the chained list of length;
Check and whether can mate fixed character string MAGIC-CODE;
If coupling fixed character string, obtains Frame;
Check that whether verification summation checksum is correct, if correct, obtain SSID according to described Frame, encryption type and password.
5. Internet-surfing configuration method according to claim 4, is characterized in that, described method also comprises:
The SSID obtaining described in use, encryption type is connected corresponding WIFI AP network with password, and sends confirmation broadcast data, confirms to have configured.
6. Internet-surfing configuration method according to claim 4, is characterized in that, described data information frame comprises predetermined fixed character string MAGIC-CODE, Frame length, SSID length, SSID, encryption type and password.
CN201310018532.3A 2013-01-18 2013-01-18 A kind of length by checking WIFI packets realizes the Internet-surfing configuration method of WIFI equipment Active CN103945369B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201310018532.3A CN103945369B (en) 2013-01-18 2013-01-18 A kind of length by checking WIFI packets realizes the Internet-surfing configuration method of WIFI equipment
PCT/CN2013/001616 WO2014110704A1 (en) 2013-01-18 2013-12-20 Method for implementing network access configuration of wifi device by checking length of wifi data packet

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Application Number Priority Date Filing Date Title
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CN104184668A (en) * 2014-07-29 2014-12-03 小米科技有限责任公司 Networking method, networking device, router and third-party device of Internet of things
CN104270744A (en) * 2014-09-28 2015-01-07 杭州雄迈信息技术有限公司 Rapid configuration system and method for wireless network
CN104394577A (en) * 2014-12-09 2015-03-04 上海斐讯数据通信技术有限公司 Wireless network access method of wireless route equipment and electronic equipment
CN104581647A (en) * 2015-01-30 2015-04-29 青岛海尔智能家电科技有限公司 Network access method and device of intelligent equipment
CN104602112A (en) * 2014-12-12 2015-05-06 小米科技有限责任公司 Configuration method and device
CN105101340A (en) * 2015-09-09 2015-11-25 深圳市唯传科技有限公司 Message multi-hop control method based on intelligent mobile terminal and system thereof
WO2016026426A1 (en) * 2014-08-19 2016-02-25 Hangzhou H3C Technologies Co., Ltd. Sending beacon frames
CN105657857A (en) * 2014-11-12 2016-06-08 深圳市腾讯计算机系统有限公司 Wireless network connection method and device
CN106028423A (en) * 2016-05-06 2016-10-12 武汉诚迈科技有限公司 Wireless network distribution method applicable to smart furniture device
CN106254147A (en) * 2016-09-08 2016-12-21 珠海全志科技股份有限公司 A kind of collocation method for Wi Fi network, internet-of-things terminal and control end
CN106338974A (en) * 2016-08-31 2017-01-18 杭州古北电子科技有限公司 Method for enabling WiFi module to adapt to communication protocols of different devices
WO2017120991A1 (en) * 2016-01-14 2017-07-20 美的集团股份有限公司 Method and apparatus for controlling access of household appliance device to network
CN107222372A (en) * 2016-03-22 2017-09-29 阿里巴巴集团控股有限公司 A kind of method for sending information and equipment
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CN108430091A (en) * 2017-12-27 2018-08-21 苏宁云商集团股份有限公司 A kind of efficient smart home wifi distribution method and apparatus
CN110213017A (en) * 2019-04-30 2019-09-06 普联技术有限公司 A kind of data transmission method, device, system, storage medium and terminal device
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CN113490209A (en) * 2021-06-29 2021-10-08 锐迪科创微电子（北京）有限公司 Data transmission method, system, transmitting device, receiving device and medium

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CN104184668A (en) * 2014-07-29 2014-12-03 小米科技有限责任公司 Networking method, networking device, router and third-party device of Internet of things
WO2016026426A1 (en) * 2014-08-19 2016-02-25 Hangzhou H3C Technologies Co., Ltd. Sending beacon frames
CN104270744A (en) * 2014-09-28 2015-01-07 杭州雄迈信息技术有限公司 Rapid configuration system and method for wireless network
CN104270744B (en) * 2014-09-28 2019-03-15 杭州雄迈信息技术有限公司 The rapid configuration system and method for wireless network
CN105657857B (en) * 2014-11-12 2019-11-19 深圳市腾讯计算机系统有限公司 Wireless network connecting method and device
CN105657857A (en) * 2014-11-12 2016-06-08 深圳市腾讯计算机系统有限公司 Wireless network connection method and device
CN104394577A (en) * 2014-12-09 2015-03-04 上海斐讯数据通信技术有限公司 Wireless network access method of wireless route equipment and electronic equipment
CN104394577B (en) * 2014-12-09 2019-07-19 上海斐讯数据通信技术有限公司 The wireless network access method of wireless routing device and electronic equipment
CN104602112A (en) * 2014-12-12 2015-05-06 小米科技有限责任公司 Configuration method and device
WO2016090826A1 (en) * 2014-12-12 2016-06-16 小米科技有限责任公司 Configuration method and device
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CN104581647A (en) * 2015-01-30 2015-04-29 青岛海尔智能家电科技有限公司 Network access method and device of intelligent equipment
US9807816B2 (en) 2015-08-17 2017-10-31 Montage Technology (Shanghai) Co., Ltd. Method and device for performing control in WiFi network
CN105101340A (en) * 2015-09-09 2015-11-25 深圳市唯传科技有限公司 Message multi-hop control method based on intelligent mobile terminal and system thereof
CN105101340B (en) * 2015-09-09 2019-02-01 深圳市唯传科技有限公司 Message multi-hop control method and system based on mobile terminal
WO2017120991A1 (en) * 2016-01-14 2017-07-20 美的集团股份有限公司 Method and apparatus for controlling access of household appliance device to network
US10666451B2 (en) 2016-01-14 2020-05-26 Midea Group Co., Ltd. Method and apparatus for controlling access of household appliance device to network
CN107222372A (en) * 2016-03-22 2017-09-29 阿里巴巴集团控股有限公司 A kind of method for sending information and equipment
CN106028423A (en) * 2016-05-06 2016-10-12 武汉诚迈科技有限公司 Wireless network distribution method applicable to smart furniture device
US10880817B2 (en) 2016-05-13 2020-12-29 Huawei Technologies Co., Ltd. Wi-fi configuration method, Wi-Fi mobile terminal, and Wi-Fi device
CN106338974B (en) * 2016-08-31 2018-11-23 杭州古北电子科技有限公司 A method of so that WiFi module is adapted to plurality of devices communications protocol
CN106338974A (en) * 2016-08-31 2017-01-18 杭州古北电子科技有限公司 Method for enabling WiFi module to adapt to communication protocols of different devices
CN106254147B (en) * 2016-09-08 2019-06-28 珠海全志科技股份有限公司 It is a kind of for the configuration method of Wi-Fi network, internet-of-things terminal and control terminal
CN106254147A (en) * 2016-09-08 2016-12-21 珠海全志科技股份有限公司 A kind of collocation method for Wi Fi network, internet-of-things terminal and control end
CN108430091A (en) * 2017-12-27 2018-08-21 苏宁云商集团股份有限公司 A kind of efficient smart home wifi distribution method and apparatus
CN110213017A (en) * 2019-04-30 2019-09-06 普联技术有限公司 A kind of data transmission method, device, system, storage medium and terminal device
CN110213017B (en) * 2019-04-30 2021-11-12 普联技术有限公司 Data transmission method, device and system, storage medium and terminal equipment
CN113490209A (en) * 2021-06-29 2021-10-08 锐迪科创微电子（北京）有限公司 Data transmission method, system, transmitting device, receiving device and medium

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