WO2014110704A1 - Procédé de mise en oeuvre d'une configuration d'accès au réseau d'un dispositif wi-fi par vérification de la longueur du paquet de données wi-fi - Google Patents

Procédé de mise en oeuvre d'une configuration d'accès au réseau d'un dispositif wi-fi par vérification de la longueur du paquet de données wi-fi Download PDF

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Publication number
WO2014110704A1
WO2014110704A1 PCT/CN2013/001616 CN2013001616W WO2014110704A1 WO 2014110704 A1 WO2014110704 A1 WO 2014110704A1 CN 2013001616 W CN2013001616 W CN 2013001616W WO 2014110704 A1 WO2014110704 A1 WO 2014110704A1
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WO
WIPO (PCT)
Prior art keywords
length
data
ssid
data frame
wifi
Prior art date
Application number
PCT/CN2013/001616
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English (en)
Chinese (zh)
Inventor
李志为
刘宗孺
姚博
Original Assignee
杭州古北电子科技有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 杭州古北电子科技有限公司 filed Critical 杭州古北电子科技有限公司
Publication of WO2014110704A1 publication Critical patent/WO2014110704A1/fr

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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]

Definitions

  • the invention relates to a method for configuring an internet connection of a WIFI device.
  • the WIFI device first configures itself into AP mode or AD-HOC mode, allows other WIFI devices (android iOS phones, laptops, etc.) to log in, and then sends the required configuration information through the TCP/IP protocol for configuration.
  • the technical problem to be solved by the present invention is to provide a method for configuring an Internet access of a WIFI device by checking the length of the WIFI data packet.
  • the configured WIFI device can complete its Internet configuration without the need to add AD-HOC or AP functions, reducing the use of device resources. Description
  • this configuration method is not limited by the original network encryption protocol (WEP, WPA, WPA2), because this method is to use the length of the packet to transfer information, regardless of the encryption method, the packet content is encrypted , and the packet length does not change.
  • FIG. 1 is a schematic diagram of a composition manner of a data frame according to an embodiment of the present invention. detailed description
  • the method for configuring the Internet access of the WIFI device by checking the length of the WIFI data packet includes the following steps:
  • the WIFI configuration device generates a data information frame for configuring the Internet access, where the data information frame includes a predetermined fixed character string MAGIC-CODE, a data frame length, an SSID length, an SSID, an encryption type, and a password; optionally, the data information
  • the frame also includes a check word.
  • the fixed string, the data frame length, the SSID length, the SSID, the encryption type, the password and the order of the check words and the fixed string, the data frame length, the SSID length, the SSID, the encryption type, and the password.
  • the correspondence between the number of bytes occupied by the check word and the represented value is preset or externally configured.
  • Data frames are encrypted by the AES encryption algorithm.
  • the number of UDP packets that send data frame lengths If the data frame length is 60, 60 UDPs are sent. The length of each UDP packet is the value of the byte in the corresponding data frame. The content of the UDP packet is actually invalid.
  • the WIFI device is configured to establish different WIFI devices according to the MAC address of the WIFI device. a linked list of the length of the book data transmission;
  • the WIFI device is configured to acquire the data frame
  • the WIFI device is configured to check whether the checksum is correct. If it is correct, the SSID, encryption type and password are obtained according to the data frame.
  • the WIFI device is configured to connect to the corresponding WIFI AP network by using the obtained SSID, encryption type and password, and send confirmation broadcast data to confirm that the configuration is completed.
  • the implementation manners of the foregoing embodiments are specifically illustrated as follows:
  • the WIFI device needs to first obtain the SSID (maximum 32 bytes) of its connected AP, encryption type (NONE, WEP, WPA, WPA2), password.
  • WIFI channel packets can be monitored, since most AP networks are encrypted, the actual data content transmitted by them cannot be obtained, and the transmitted data is intelligently monitored. length.
  • the design of the invention is to send an UDP useless data string through the WIFI network, and the length of the different data strings corresponds to the content of the code, and the configured device monitors the same WIFI device (MAC address distinction). After the data string with the configuration feature is sent, its configuration information is obtained, and the implementation is configured.
  • the invention includes the following parts: configuring the SSID, encryption type and password encoding and sending on the device; monitoring and information analysis of the configured device.
  • the previous MAGIC-CODE which is a fixed string for the configured WIFI device and the configured WIFI device, such as (BLK), is also used to identify the start code of the data frame, which occupies 3 bytes.
  • the length of the data 1 byte.
  • SSID which is the SSID string of the AP that needs to be configured.
  • Encryption type O none (no encryption), 1 WEP encryption, 2 WPA encryption, 3 WPA2 force port, occupy 1 byte.
  • Password The remaining part of the data frame is the password string.
  • the method of sending data by sending a bunch of UDP packets first.
  • a data frame is 30 in length
  • 30 UDP packets are sent cyclically, and the length of each UDP packet corresponds to the value of its corresponding location.
  • the configured WIFI device periodically scans the channels of each WIFI and listens for possible configuration packets.
  • the WIFI device According to the MAC address of the WIFI device, establish a linked list of data transmission lengths of different devices. Check whether MAGIC-CODE can be matched.
  • the data frame may not be normal and need to be cyclically monitored.
  • the connected device is connected to the WIFI network
  • the configured WIFI device After the configured WIFI device obtains the correct SSID, encryption type and password, it connects to the corresponding WIFI AP network and sends confirmation broadcast data to confirm the configuration.
  • the configured WIFI device can complete its online configuration without the need to add AD-HOC or AP functions, reducing the use of device resources.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de mise en oeuvre d'une configuration d'accès au réseau d'un dispositif Wi-Fi. Une trame d'informations de données utilisée pour une configuration d'accès au réseau est générée, et la trame d'informations de données comprend une chaîne de caractères fixe préréglée MAGIC-CODE, la longueur de la trame de données, la longueur d'un SSID, le SSID, un type de chiffrement, et un mot de passe. La trame de données peut être chiffré à l'aide d'un algorithme de chiffrement négocié par les deux côtés de la configuration, et la trame de données chiffrée est envoyée. Pendant le processus d'envoi, la longueur de la trame de données correspond au nombre de paquets de données envoyés (UDP), et la longueur correspondant à chaque paquet de données UDP est une valeur numérique de la trame de données du paquet de données.
PCT/CN2013/001616 2013-01-18 2013-12-20 Procédé de mise en oeuvre d'une configuration d'accès au réseau d'un dispositif wi-fi par vérification de la longueur du paquet de données wi-fi WO2014110704A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310018532.3A CN103945369B (zh) 2013-01-18 2013-01-18 一种通过检查wifi数据包的长度实现wifi设备的上网配置方法
CN201310018532.3 2013-01-18

Publications (1)

Publication Number Publication Date
WO2014110704A1 true WO2014110704A1 (fr) 2014-07-24

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Application Number Title Priority Date Filing Date
PCT/CN2013/001616 WO2014110704A1 (fr) 2013-01-18 2013-12-20 Procédé de mise en oeuvre d'une configuration d'accès au réseau d'un dispositif wi-fi par vérification de la longueur du paquet de données wi-fi

Country Status (2)

Country Link
CN (1) CN103945369B (fr)
WO (1) WO2014110704A1 (fr)

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CN104184668A (zh) * 2014-07-29 2014-12-03 小米科技有限责任公司 物联网的联网方法、装置、路由器、以及第三方设备
CN104219662B (zh) * 2014-08-19 2019-05-07 新华三技术有限公司 一种Beacon帧的发送方法和设备
CN104270744B (zh) * 2014-09-28 2019-03-15 杭州雄迈信息技术有限公司 无线网络的快速配置系统及方法
CN105657857B (zh) * 2014-11-12 2019-11-19 深圳市腾讯计算机系统有限公司 无线网络连接方法及装置
CN104394577B (zh) * 2014-12-09 2019-07-19 上海斐讯数据通信技术有限公司 无线路由设备及电子设备的无线网络接入方法
CN104602112A (zh) * 2014-12-12 2015-05-06 小米科技有限责任公司 配置方法及装置
CN104581647A (zh) * 2015-01-30 2015-04-29 青岛海尔智能家电科技有限公司 智能设备网络接入方法及装置
CN106470458B (zh) 2015-08-17 2020-02-21 上海澜至半导体有限公司 在WiFi网络中进行控制的方法和设备
CN105101340B (zh) * 2015-09-09 2019-02-01 深圳市唯传科技有限公司 基于移动终端的消息多跳控制方法及系统
CN105682183B (zh) 2016-01-14 2017-06-16 美的集团股份有限公司 控制家电设备入网的方法和装置
CN107222372B (zh) * 2016-03-22 2021-03-23 阿里巴巴集团控股有限公司 一种信息发送方法和设备
CN106028423A (zh) * 2016-05-06 2016-10-12 武汉诚迈科技有限公司 一种适用于智能家具设备的无线配网方法
CN107371219B (zh) 2016-05-13 2020-08-25 华为终端有限公司 WiFi配置方法、WiFi移动终端和WiFi设备
CN106338974B (zh) * 2016-08-31 2018-11-23 杭州古北电子科技有限公司 一种使WiFi模块能适配多种设备通讯协议的方法
CN106254147B (zh) * 2016-09-08 2019-06-28 珠海全志科技股份有限公司 一种用于Wi-Fi网络的配置方法、物联网终端和控制端
CN108430091B (zh) * 2017-12-27 2021-04-20 苏宁智能终端有限公司 一种高效的智能家居wifi配网方法及设备
CN110213017B (zh) * 2019-04-30 2021-11-12 普联技术有限公司 一种数据传输方法、装置、系统、存储介质及终端设备
CN113490209B (zh) * 2021-06-29 2024-07-19 锐迪科创微电子（北京）有限公司 数据传输方法、系统、发送设备、接收设备及介质

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CN103945369A (zh) 2014-07-23
CN103945369B (zh) 2017-12-19

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