CN110460994B - A WiFi Security Encryption System - Google Patents

Abstract

The invention discloses a WiFi security encryption system, which is used to solve the problems that the existing WiFi uses digital letters and symbols to be encrypted, which leads to easy cracking, low WiFi security, and the router cannot automatically identify whether it is used or not, which leads to the waste of resources caused by the router working all the time. The problem; including a user terminal and a router terminal, the user terminal includes a password input module, a password conversion module and a formula input module; the password input module is used for the user to input password information, and the password input module and the formula input module input the user The password information and the password conversion formula are sent to the password conversion module; the present invention converts the password conversion formula input by the user into a password graphic and performs password authentication on the router terminal by sending the password graphic, avoiding the existing WiFi using alphanumerics and symbols. easily cracked problem.

Description

A WiFi Security Encryption System

technical field

The invention relates to the field of WiFi security encryption, in particular to a WiFi security encryption system.

Background technique

Wi-Fi is a technology that allows electronic devices to connect to a wireless local area network, usually using the 2.4G UHF or 5G SHF ISM radio frequency band. Connecting to a WLAN is usually password-protected; but it can also be open, allowing any device within range of the WLAN to connect. Wi-Fi is a brand of wireless network communication technology held by the Wi-Fi Alliance. The purpose is to improve the interoperability between wireless network products based on the IEEE 802.11 standard.

Existing WiFi is encrypted with numbers, letters and symbols, which leads to easy cracking and low WiFi security; at the same time, the router cannot automatically identify whether or not it is in use, which leads to the waste of resources when the router keeps working.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a WiFi security encryption system; it is used to solve the problem that the existing WiFi adopts digital letters and symbols encryption, which is easy to crack, the WiFi security is low, and the router cannot automatically identify whether it is used or not, which causes the router to work all the time. The problem of wasting resources.

The purpose of the present invention can be achieved through the following technical solutions: a WiFi security encryption system, including a user terminal and a router terminal, the user terminal includes a password input module, a password conversion module and a formula input module; the password input module is used for the user Input password information, the password information includes letters, symbols, numbers and corresponding virtual numbers; the formula input module is used for the user to input the password conversion formula; the password input module and the formula input module convert the password information and the password conversion formula entered by the user Send to the password conversion module;

The password conversion module receives the password information and the password conversion formula sent by the password input module and the formula input module and performs the password conversion, and the specific password conversion steps are:

Step 1: set the password information to include letters, symbols and numbers and denote Mi, i=1,  , n; set the corresponding virtual numbers to denote G _Mi ; Mi and G _Mi are in one-to-one correspondence;

Step 2: Set the password entered by the user as ZM, ZM={Mi,...,Mi}; convert the password Mi entered by the user into the corresponding virtual password XM, XM={G _Mi ,...,G _Mi } ;

Step 3: Add the interference factor K to the virtual password XM to obtain the virtual interference password WM, and the value of K is any positive integer; WM={W _Mi ,...,W _Mi }; W _Mi =G _Mi +K;

Step 4: Convert the virtual interference password WM into an arc-shaped line segment through the password conversion formula; the password conversion formula is W _Mi =L _Mi *u1+r _Mi *u2; L _Mi is the arc length, r _Mi is the radius; u1 and u2 are Preset fixed value of proportional coefficient; convert W _Mi into arc segment H _Mi by password conversion formula; arc length of arc segment H _Mi is L _Mi ; radius is r _Mi ;

Step 5: connect the arc line segments H _Mi in sequence according to the password input sequence to form a password figure TM; the password conversion module sends the obtained password figure TM and the IP address of the user terminal to the authentication module;

The router terminal includes an authentication module, a wireless network transmission module, a storage module, a network interface module, a data acquisition module, a data analysis module and a wireless control module; the authentication module is used for the received password graphic TM and the IP address of the user terminal. For certification, the specific certification process is as follows:

a: Identify the received password pattern TM, and use the password conversion formula to obtain the corresponding virtual interference password WM; add a correction factor B to the virtual interference password WM to obtain a virtual corrected password YM, YM={W _Mi +B,  … , W _Mi + B };

b: then use the password conversion formula to convert into a secondary arc line segment H2 _Mi ; connect the secondary arc line segments in turn according to the password input sequence to form a secondary password figure DM;

c: Compare the secondary password graphic DM with the preset comparison password graphic stored in the storage module; when the secondary password graphic DM and the preset comparison password graphic are completely overlapped, the password is correct and the authentication is successful; otherwise, the password is incorrect and the authentication is successful. fail;

d: When the password is correct, the authentication module controls the network interface module to connect with the wireless network transmission module;

The wireless network transmitting module is used for sending wireless network and connecting with user terminal information through wireless network signal; the network interface module is used for connecting to the Internet through optical fiber.

The data collection module is used to collect the network transmission rate and the corresponding time of the network interface module; the data collection module sends the collected IP address and network transmission rate of the user terminal to the data analysis module; the data analysis module is used to analyze the router The usage time of the terminal, the specific steps are as follows:

Step 1: Set the network transmission rate as Hj, j=1, ..., n; the corresponding moment is denoted as T _H j;

Step 2: When Hj is less than the set network speed threshold, the corresponding time T _Hj is the starting time, and starts timing; when Hn is greater than the set threshold, and the timing is stopped, then the corresponding time T _Hn is the stopping time, Count the duration KT of T _Hj and T _Hn ; when the duration KT is greater than the set threshold, mark the time period [T _Hj , T _Hn ] as an idle time period;

Step 3: Count the number of days that the idle time period occurs on working days; and count the number of days; set the number of occurrences of one day as P1, the number of consecutive occurrences of two days as P2, and set the number of consecutive occurrences of j days to record is Pj; set the idle factor corresponding to one day as c1, the idle factor corresponding to two days as c2, and the idle factor of j consecutive days as cj; and c1<c2<...cj; j=1,... , n;

获取得到空闲关闭值C；当空闲关闭值C大于设定阈值，则生成关闭指令以及对应的空闲时间段并发送至无线控制模块；Step 4: Use the formula

Obtaining the idle closing value C; when the idle closing value C is greater than the set threshold, a closing instruction and a corresponding idle time period are generated and sent to the wireless control module;

The wireless control module is used to control the opening or closing of the wireless network transmission module; when the wireless control module receives the shutdown command and the corresponding idle time period, the wireless control module controls the wireless network transmission module to turn off at time T _H j; controls the wireless The network transmission module is turned on at time _THn .

Beneficial effects of the present invention:

(1) the present invention converts the password of the user's input into a virtual password, and the virtual password is added with an interference factor to obtain a virtual interference password, and then the password conversion formula input by the user is converted into a password figure by sending the password figure to the router terminal. Password authentication, to avoid the problem that the existing WiFi is composed of alphanumerics and symbols, which can easily be cracked;

(2) the router terminal of the present invention obtains the corresponding virtual interference password by recognizing the password figure, then utilizes the password conversion formula to obtain the corresponding virtual interference password, and adds a correction factor to the virtual interference password to obtain the virtual correction password; then utilize the password conversion formula to convert into a secondary arc line segment; The secondary arc line segments are connected in sequence according to the password input sequence to form a secondary password graphic; the secondary password graphic is compared with the preset comparison password graphic stored in the storage module; the security encryption authentication of the router is improved, and the security of WiFi is guaranteed encryption;

(3) The data analysis module of the present invention is used to analyze the use time of the router terminal; when the wireless transmission rate is less than the set network speed threshold, start timing; when the wireless transmission rate is greater than the set threshold, stop timing, and count the duration of this time period; When the time length is greater than the set threshold, mark the time period as an idle time period; count the number of days that the idle time period occurs in working days; use the formula to obtain the idle close value; when the idle close value is greater than the set threshold, generate a close The command and the corresponding idle time period are sent to the wireless control module; the wireless control module is used to control the opening or closing of the wireless network transmission module; by reasonably controlling the opening and closing of the router terminal, it is closed when no one is using it, saving resources .

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

FIG. 1 is a schematic block diagram of a WiFi security encryption system of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to FIG. 1, the present invention is a WiFi security encryption system, including a user terminal and a router terminal. The user terminal includes a password input module, a password conversion module and a formula input module; the password input module is used for the user to input password information, and the password The information includes letters, symbols, numbers and corresponding virtual numbers; the formula input module is used for the user to input the password conversion formula; the password input module and the formula input module send the password information and the password conversion formula input by the user to the password conversion module;

The password conversion module receives the password information and the password conversion formula sent by the password input module and the formula input module and performs password conversion. The specific password conversion steps are:

Step 1: set the password information to include letters, symbols and numbers and denote Mi, i=1,  , n; set the corresponding virtual numbers to denote G _Mi ; Mi and G _Mi are in one-to-one correspondence;

Step 2: Set the password entered by the user as ZM, ZM={Mi,...,Mi}; convert the password Mi entered by the user into the corresponding virtual password XM, XM={G _Mi ,...,G _Mi } ;

Step 3: Add the interference factor K to the virtual password XM to obtain the virtual interference password WM, and the value of K is any positive integer; WM={W _Mi ,...,W _Mi }; W _Mi =G _Mi +K;

Step 4: Convert the virtual interference password WM into an arc line segment through the password conversion formula; the password conversion formula is W _Mi =L _Mi *u1+r _Mi *u2; L _Mi is the arc length, and r _Mi is the radius; u1 and u2 are Preset fixed value of proportional coefficient; convert W _Mi into arc segment H _Mi by password conversion formula; arc length of arc segment H _Mi is L _Mi ; radius is r _Mi ;

Step 5: connect the arc line segments H _Mi in sequence according to the password input sequence to form a password figure TM; the password conversion module sends the obtained password figure TM and the IP address of the user terminal to the authentication module;

The router terminal includes an authentication module, a wireless network transmission module, a storage module, a network interface module, a data acquisition module, a data analysis module and a wireless control module; the authentication module is used to authenticate the received password graphic TM and the IP address of the user terminal. The certification process is as follows:

a: Identify the received password pattern TM, and use the password conversion formula to obtain the corresponding virtual interference password WM; add a correction factor B to the virtual interference password WM to obtain a virtual corrected password YM, YM={W _Mi +B,  … , W _Mi + B };

b: Reuse the password conversion formula and convert it into a secondary arc line segment H2 _Mi ; connect the secondary arc line segments in turn according to the password input sequence to form a secondary password figure DM;

c: Compare the secondary password graphic DM with the preset comparison password graphic stored in the storage module; when the secondary password graphic DM and the preset comparison password graphic are completely overlapped, the password is correct and the authentication is successful; otherwise, the password is incorrect and the authentication is successful. fail;

d: When the password is correct, the authentication module controls the network interface module to connect with the wireless network transmission module;

The wireless network transmitting module is used for sending wireless network and connecting with user terminal information through wireless network signal; the network interface module is used for connecting to the Internet through optical fiber.

The data collection module is used to collect the network transmission rate and the corresponding time of the network interface module; the data collection module sends the collected IP address and network transmission rate of the user terminal to the data analysis module; the data analysis module is used to analyze the usage time of the router terminal , the specific steps are:

Step 1: Set the network transmission rate as Hj, j=1, ..., n; the corresponding moment is denoted as T _H j;

Step 2: When Hj is less than the set network speed threshold, the corresponding time T _Hj is the starting time, and starts timing; when Hn is greater than the set threshold, and the timing is stopped, then the corresponding time T _Hn is the stopping time, Count the duration KT of T _Hj and T _Hn ; when the duration KT is greater than the set threshold, mark the time period [T _Hj , T _Hn ] as an idle time period;

Step 3: Count the number of days that the idle time period occurs on working days; and count the number of days; set the number of occurrences of one day as P1, the number of consecutive occurrences of two days as P2, and set the number of consecutive occurrences of j days to record is Pj; set the idle factor corresponding to one day as c1, the idle factor corresponding to two days as c2, and the idle factor of j consecutive days as cj; and c1<c2<...cj; j=1,... , n;

获取得到空闲关闭值C；当空闲关闭值C大于设定阈值，则生成关闭指令以及对应的空闲时间段并发送至无线控制模块；Step 4: Use the formula

Obtaining the idle closing value C; when the idle closing value C is greater than the set threshold, a closing instruction and a corresponding idle time period are generated and sent to the wireless control module;

The wireless control module is used to control the opening or closing of the wireless network transmission module; when the wireless control module receives the closing command and the corresponding idle time period, the wireless control module controls the wireless network transmission module to close at time T _H j; controls the wireless network transmission The module is turned on at time _THn .

获取得到空闲关闭值C；当空闲关闭值C大于设定阈值，则生成关闭指令以及对应的空闲时间段并发送至无线控制模块；无线控制模块用于控制无线网络发射模块的开启或关闭；当无线控制模块接收到关闭指令以及对应的空闲时间段，则无线控制模块控制无线网络发射模块在时刻T_Hj关闭；控制无线网络发射模块在时刻T_Hn开启；通过合理的控制路由器终端的开启和关闭，在无人使用的时候关闭，节省资源。The working principle of the present invention: the present invention converts the password input by the user into a virtual password, adds an interference factor to the virtual password to obtain a virtual interference password, and then converts the password conversion formula input by the user into a password graphic by sending the password graphic to The router terminal performs password authentication to avoid the problem that the existing WiFi is composed of alphanumerics and symbols, which leads to the problem of being easily cracked. Add the correction factor to get the virtual correction password; then use the password conversion formula to convert it into a secondary arc line segment; connect the secondary arc line segments in sequence according to the password input sequence to form a secondary password figure; connect the secondary password figure DM to the internal storage module The stored preset comparison password graphics are compared; the security encryption authentication of the router is improved, and the security encryption of WiFi is guaranteed; the data analysis module is used to analyze the usage time of the router terminal; when Hj is less than the set network speed threshold, the time should be T _Hj is the start time, and starts timing; when Hn is greater than the set threshold, the timing is stopped, then the corresponding time T _Hn is the stop time, and the duration KT between T _Hj and T _Hn is counted; when the time KT is greater than the set threshold, Then mark the time period [T _Hj , T _Hn ] as an idle time period; count the number of days that the idle time period occurs on working days; use the formula

Obtain the idle closing value C; when the idle closing value C is greater than the set threshold, a closing instruction and a corresponding idle time period are generated and sent to the wireless control module; the wireless control module is used to control the opening or closing of the wireless network transmission module; when After the wireless control module receives the shutdown instruction and the corresponding idle time period, the wireless control module controls the wireless network transmission module to be turned off at time T _Hj ; controls the wireless network transmission module to turn on at time T _Hn ; by reasonably controlling the opening and closing of the router terminal. Turn off, turn off when not in use, save resources.

The above content is only an example and description of the structure of the present invention, and those skilled in the art can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the invention or Anything beyond the scope defined by the claims shall belong to the protection scope of the present invention.

Claims (3)

1. A WiFi security encryption system, comprising a user terminal and a router terminal, is characterized in that, the user terminal comprises a password input module, a password conversion module and a formula input module; the password input module is used for the user to input password information, and the password The information includes letters, symbols, numbers and corresponding virtual numbers; the formula input module is used for the user to input a password conversion formula; the password input module and the formula input module send the password information and the password conversion formula input by the user to the password conversion module ; The password conversion module receives the password information and the password conversion formula sent by the password input module and the formula input module and performs the password conversion, and the specific password conversion steps are: Step 1: set the password information to include letters, symbols and numbers and denote Mi, i=1,  , n; set the corresponding virtual numbers to denote G _Mi ; Mi and G _Mi are in one-to-one correspondence; Step 2: Set the password entered by the user as ZM, ZM={M1,...,Mi}; convert the password ZM entered by the user into the corresponding virtual password XM, XM={G _M1 ,...,G _Mi } ; Step 3: Add the interference factor K to the virtual password XM to obtain the virtual interference password WM, and the value of K is an arbitrary positive integer; WM={W _M1 ,...,W _Mi }; W _Mi =G _Mi +K; Step 4: Convert the virtual interference password WM into an arc line segment through the password conversion formula; the password conversion formula is W _Mi =L _Mi *u1+r _Mi *u2; L _Mi is the arc length, and r _Mi is the radius; u1 and u2 are Preset fixed value of proportional coefficient; convert W _Mi into arc segment H _Mi by password conversion formula; arc length of arc segment H _Mi is L _Mi ; radius is r _Mi ; Step 5: connect the arc line segments H _Mi in sequence according to the password input sequence to form a password figure TM; the password conversion module sends the obtained password figure TM and the IP address of the user terminal to the authentication module; The router terminal includes an authentication module, a wireless network transmission module, a storage module, a network interface module, a data acquisition module, a data analysis module and a wireless control module; the authentication module is used for the received password graphic TM and the IP address of the user terminal. For certification, the specific certification process is as follows: a: Identify the received password pattern TM, and use the password conversion formula to obtain the corresponding virtual interference password WM; add a correction factor B to the virtual interference password WM to obtain a virtual corrected password YM, YM={W _M1 +B,  … , W _Mi + B }; b: then use the password conversion formula to convert into a secondary arc line segment H2 _Mi ; connect the secondary arc line segments in turn according to the password input sequence to form a secondary password figure DM; c: Compare the secondary password graphic DM with the preset comparison password graphic stored in the storage module; when the secondary password graphic DM completely overlaps with the preset comparison password graphic, the password is correct and the authentication is successful; if no, the password is incorrect and the authentication is successful. fail; d: When the password is correct, the authentication module controls the network interface module to connect with the wireless network transmission module. 2. A kind of WiFi security encryption system according to claim 1, is characterized in that, described wireless network transmission module is used for sending wireless network and through wireless network signal and user terminal information connection; Fiber optic connection to the Internet. 3. a kind of WiFi security encryption system according to claim 1, is characterized in that, described data collection module is used to collect the network transmission rate of network interface module and corresponding time; The IP of the user terminal that data collection module will collect The address and the network transmission rate are sent to the data analysis module; the data analysis module is used to analyze the use time of the router terminal, and the specific steps are: Step 1: set the network transmission rate to be denoted as Hj, j=1, ..., n; the corresponding moment is denoted as T _Hj ; Step 2: When Hj is less than the set network speed threshold, the corresponding time T _Hj is the starting time, and the timing starts; when Hn is greater than the set threshold, and the timing is stopped, the corresponding time T _Hn is the stopping time, and the statistics The time length KT between _{THj and THn; when the length KT is greater than the set threshold, the time period [T Hj , THn ] is marked} as an idle time period; Step 3: Count the number of days that the idle time period occurs on working days; and count the number of days; set the number of occurrences of one day as P1, the number of consecutive occurrences of two days as P2, and set the number of consecutive occurrences of j days to record is Pj; set the idle factor corresponding to one day as c1, the idle factor corresponding to two days as c2, and the idle factor of j consecutive days as cj; and c1<c2<...cj; j=1,... , n; Step 4: Use the formula

Obtaining the idle closing value C; when the idle closing value C is greater than the set threshold, a closing instruction and a corresponding idle time period are generated and sent to the wireless control module; The wireless control module is used to control the opening or closing of the wireless network transmission module; when the wireless control module receives the shutdown instruction and the corresponding idle time period, the wireless control module controls the wireless network transmission module to turn off at time T _Hj ; controls the wireless network The transmitting module is turned on at time _THn .

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