CN105812353A - Terminal identification method and apparatus - Google Patents
Terminal identification method and apparatus Download PDFInfo
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- CN105812353A CN105812353A CN201610100310.XA CN201610100310A CN105812353A CN 105812353 A CN105812353 A CN 105812353A CN 201610100310 A CN201610100310 A CN 201610100310A CN 105812353 A CN105812353 A CN 105812353A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
- G06Q20/32—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
Abstract
Disclosed is a terminal identification method. The method comprises the following steps: obtaining feature information of a terminal; according to the feature information, determining a first feature value; obtaining a second feature value matching the first feature value; determining whether a difference between the first feature value and the second feature value is smaller than a preset threshold; and if so, determining that the terminal is a terminal corresponding to the second feature value, and otherwise, determining that the terminal is not the terminal corresponding to the second feature value. According to the method, such information as cookie and the like does not have to be implanted in the terminal, removal is avoided, and identification of the terminal is more stable. Besides, the invention also correspondingly provides a terminal identification apparatus.
Description
Technical field
The present invention relates to technical field of data processing, particularly relate to a kind of terminal identification method and device.
Background technology
Along with the fast development of internet terminal (such as smart mobile phone, notebook computer etc.), user uses this internet terminal to carry out connected network communication (as carry out surfing the Net and good friend's chat etc.) to become more and more frequent.Some application on the internet terminal of usual user are (such as browser application, instant messaging application etc.) or website etc. can implant one containing unique identifier (UUID according to the access of user in this terminal or in browser Cookie, UniversalUniqueIdentifier) information, the terminal of user can be uniquely identified and determine by this UUID, and then can by which page user's all behaviors on the terminal (have such as browsed, search for which keyword, put which button, by which function, see which commodity, which has been put into shopping cart etc.) associate, better provide the user service.
But, many safety applications instruments or browser itself also provide the user the function closed or remove cookie, and after disposing cookie, there is a need to again implant new UUID in cookie and uniquely identify the terminal of user.Therefore, traditional method carrying out identification terminal by implanting the mode of UUID in cookie is become extremely unstable owing to removing at any time.
Summary of the invention
Based on this, it is necessary to for above-mentioned technical problem, it is provided that a kind of terminal identification method that can improve terminal recognition stability and device.
A kind of terminal identification method, said method comprising the steps of: obtain the characteristic information of terminal；The First Eigenvalue is determined according to described characteristic information；Obtain the Second Eigenvalue mated with described the First Eigenvalue；Judge that whether the difference between described the First Eigenvalue and described Second Eigenvalue is less than predetermined threshold value；If so, then judge that described terminal is the terminal corresponding with described Second Eigenvalue, otherwise, be not the terminal corresponding with described Second Eigenvalue.
Wherein in an embodiment, the described step determining the First Eigenvalue according to described characteristic information, including: obtain and described characteristic information characteristic of correspondence parameter value and feature weight according to described characteristic information；Calculate the sum of products of described characteristic ginseng value and described feature weight, using described sum of products as the First Eigenvalue.
Wherein in an embodiment, the step of the Second Eigenvalue that described acquisition is mated with described the First Eigenvalue, including: obtain the log-on message of described terminal；The Second Eigenvalue corresponding with described log-on message is obtained according to described logon information.
Wherein in an embodiment, the step of the Second Eigenvalue that described acquisition is mated with described the First Eigenvalue, also include: obtain and the immediate candidate feature value of described the First Eigenvalue；Using described candidate feature value as described Second Eigenvalue.
Wherein in an embodiment, when the difference between described the First Eigenvalue and described Second Eigenvalue is not less than predetermined threshold value, described the First Eigenvalue is increased to another Second Eigenvalue.
A kind of terminal identification means, described device includes: characteristic information acquisition module, for obtaining the characteristic information of terminal；The First Eigenvalue determines module, for determining the First Eigenvalue according to described characteristic information；Matching module, for obtaining the Second Eigenvalue mated with described the First Eigenvalue；Judge module, whether the difference being used for judging between described the First Eigenvalue and described Second Eigenvalue is less than predetermined threshold value；If so, then judge that described terminal is the terminal corresponding with described Second Eigenvalue, otherwise, be not the terminal corresponding with described Second Eigenvalue.
Wherein in an embodiment, described the First Eigenvalue determines that module is additionally operable to obtain and described characteristic information characteristic of correspondence parameter value and feature weight according to described characteristic information；Calculate the sum of products of described characteristic ginseng value and described feature weight, using described sum of products as the First Eigenvalue.
Wherein in an embodiment, described matching module is for obtaining the log-on message of described terminal；The Second Eigenvalue corresponding with described log-on message is obtained according to described logon information.
Wherein in an embodiment, described matching module is additionally operable to obtain and the immediate candidate feature value of described the First Eigenvalue；Using described candidate feature value as described Second Eigenvalue.
Wherein in an embodiment, described device also includes: Second Eigenvalue increases module, when being not less than predetermined threshold value for the difference between described the First Eigenvalue and described Second Eigenvalue, described the First Eigenvalue is increased to another Second Eigenvalue.
Above-mentioned terminal identification method and device, the characteristic information of the terminal by obtaining determines the First Eigenvalue；Obtain the Second Eigenvalue mated with the First Eigenvalue again；When the difference judged between the First Eigenvalue and Second Eigenvalue is less than predetermined threshold value, then illustrate that this terminal is the terminal corresponding with Second Eigenvalue, otherwise, be not the terminal corresponding with Second Eigenvalue.Without implanting the information such as cookie in the terminal, can avoid being eliminated so that the identification of terminal becomes more stable.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of terminal identification method in an embodiment；
Fig. 2 is the schematic flow sheet of the step determining the First Eigenvalue in an embodiment according to characteristic information；
Fig. 3 is the structural representation of terminal identification means in an embodiment；
Fig. 4 is the structural representation of terminal identification means in another embodiment；
Fig. 5 is the structural representation of terminal identification means in another embodiment.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
As it is shown in figure 1, in one embodiment, it is provided that a kind of terminal identification method, the method can be applicable to based on, in browser application, comprising the steps 102～112.
Step 102, obtains the characteristic information of terminal.
In the present embodiment, terminal can be but not limited to personal computer, notebook computer, panel computer, smart mobile phone, wearable smart machine etc..By pre-setting one section of canvas based on html5 (canvas, or painting canvas) element code in the browser application of terminal, and the user that this section of canvas element code is supplied to each platform uses.Platform including, but not limited to transaction platform, chatting platform, shopping platform etc..This canvas element code can draw out corresponding different canvas fingerprints according to different terminals and browser.Therefore, the corresponding terminal identifying user can be carried out according to this canvas fingerprint.
But, adopt this canvas element code on identical device and same browser, still there is certain repeatability in the canvas fingerprint drawn out.Therefore, can using the canvas fingerprint drawn out one of the characteristic information as terminal.
In one embodiment, what the characteristic information of terminal included in the hardware equipment information of terminal, operation system information, the parameter information of browser, the plugin information of browser and canvas fingerprint is multiple.
Concrete, hardware equipment information includes: the color information (screen.colorDepth) etc. of the high information of the width (screen.heightscreen.width) of terminal display, CPU grade (navigator.cupClass) and terminal display.Operation system information includes: the color information (screen.colorDepth) etc. of the operating system (navigator.platform) of terminal, the time difference (Date () .getTimezoneOffset ()) between Greenwich Mean Time and local zone time and device screen.nullThe parameter information of browser includes: the user agent (navigator.userAgent) in browser http request、The language (navigator.language) of browser、Whether support sessionStorage (window.sessionStorage)、Whether support localStorage (window.localStorage)、Whether support indexdDB (window.indexedDB)、Whether support docment.body.addBehavior (attribute of IE5)、Whether local data base (window.openDatabase) is called in support、Whether support Donottrack function (navigator.doNotTrack) etc..The plugin information of browser includes: the information of flashplugin plug-in unit, the information of AdobePDFReader plug-in unit, the information of Quicktime plug-in unit, the information of RealPlayers plug-in unit, the information of ShockwavePlayer plug-in unit, the information of WindowsMediaPlayer plug-in unit, the information of Silverlight plug-in unit, Skype plug-in unit information etc..
Step 104, determines the First Eigenvalue according to characteristic information.
In the present embodiment, the characteristic information that server can be different in advance distributes corresponding different characteristic ginseng values.And all characteristic informations according to detected terminal find character pair parameter value, according to this characteristic ginseng value the First Eigenvalue to should determine that this terminal.
For example, as shown in table 1 below, table 1 lists the partial parameters information of terminal and the characteristic ginseng value of corresponding distribution.Server by travel through its pre-set need inquiry parameter information, and in the data base of server inquiry pre-set with this design parameter information characteristic of correspondence parameter value.Such as, when the language inquiring browser is Chinese, would know that its characteristic of correspondence parameter value is 3；When inquiring the CPU grade of terminal system and being 3, would know that its characteristic of correspondence parameter value is 18；Etc..
The mapping table of table 1 terminal part parameter information and characteristic ginseng value
Further, the characteristic information of terminal also includes canvas fingerprint, due to the canvas fingerprint of different terminals and differ, thus cannot allocate a corresponding parameter attribute value in advance for each canvas fingerprint.Canvas can be resolved by terminal, after parsing the character string that canvas fingerprint is corresponding, can calculate the characteristic ginseng value corresponding to this canvas fingerprint according to preset rules.Such as, the numerical value in the predeterminable feature figure place to this section of character string carries out the computings such as specific addition subtraction multiplication and division to calculate this canvas fingerprint characteristic of correspondence parameter value.And then the first parameter value of terminal is determined further according to the characteristic ginseng value of this canvas fingerprint and the characteristic ginseng value of further feature information.
In one embodiment, determine the step of the first parameter value of terminal according to the characteristic ginseng value of characteristic information, including: each characteristic ginseng value is calculated the first parameter value according to default mapping.Such as, this mapping can include the addition subtraction multiplication and division four arithmetic operation of routine.
For example, all of characteristic ginseng value can be sued for peace, using the numerical value that draws of the summation the First Eigenvalue as terminal.Such as, have user agent in finding out browser http request, the language of browser is Chinese, support sessionStorage, do not support localStorage, support indexdDB, support DonotTrack function, be absent from the CPU grade of QuickTime plug-in unit and system to be the terminal characteristic of correspondence parameter value under 2 respectively 1,3,6,9,10,12,15 and 17, the characteristic ginseng value of the canvas fingerprint that then can calculate terminal according to preset rules is 100, then can calculate the First Eigenvalue of terminal according to default summation operation is 173.
It should be understood that the characteristic information of the acquired feature that can characterize terminal is more many, then the corresponding the First Eigenvalue determined more can embody the uniqueness of terminal.Characteristic information in the present embodiment may also include other characteristic information of the wherein NM feature that can characterize terminal, does not limit at this.
It should be understood that the calculation of the First Eigenvalue can be performed by server, it is possible to performed by terminal itself.When being performed by terminal itself, server can obtain the computed the First Eigenvalue determined of terminal according to the communication mode set up with terminal with communication interface.Wherein this communication mode can be Transmission Control Protocol or udp protocol etc..
Step 106, obtains the Second Eigenvalue mated with the First Eigenvalue.
In the present embodiment, the Relational database on server stores the First Eigenvalue of each terminal, it can be used as Second Eigenvalue.This Second Eigenvalue can be terminal first use browser application or other application after, the First Eigenvalue calculated for the first time.
Server by being associated with this Second Eigenvalue under user's behavior record in terminal, can better provide the user service.
In one embodiment, obtain the step of the Second Eigenvalue mated with the First Eigenvalue, including: obtain the log-on message of terminal；The Second Eigenvalue corresponding with log-on message is obtained according to logon information.
In the present embodiment, illustrating for browser application, if its browser account of end user logs employs browser application, server is after the First Eigenvalue getting this terminal for the first time, stored, and set up the related information between the browser log-on message of this First Eigenvalue and user.After detecting that user has reused this browser application, and when having logged in this browser account, the log-on message of user can be obtained, find stored Second Eigenvalue according to corresponding with the related information set up between log-on message in advance.
Step 108, it is judged that whether the difference between the First Eigenvalue and Second Eigenvalue is less than predetermined threshold value.If so, then perform step 110, otherwise, perform step 112.
In the present embodiment, user reuses before browser in terminal, the Partial Feature information in terminal may be changed, browser language is made into English by Chinese as would be likely to occur, it is also possible to the newly-increased or QuickTime plug-in unit or delete RealPlayers plug-in unit etc. of having upgraded, and the change of these characteristic informations can change characteristic of correspondence parameter value accordingly, and then have also been changed the First Eigenvalue of terminal.
Therefore, server can pre-set a threshold value.After the First Eigenvalue getting terminal and Second Eigenvalue, calculate the difference between this First Eigenvalue and Second Eigenvalue.Compare the size between this difference and predetermined threshold value again, when this difference is less than predetermined threshold value, then perform step 110, otherwise, perform step 112.
For example, it is 5 that server can arrange threshold value, when the First Eigenvalue getting account user1 by name is 123456, and when being 123454 according to the account user1 by name Second Eigenvalue finding correspondence, can calculate its difference is 2, less than predetermined threshold value, then can determine whether out the terminal that Second Eigenvalue that this terminal is default is corresponding.If the Second Eigenvalue found is 123556, then its difference is 100, more than predetermined threshold value, then judges that this terminal is not the terminal that Second Eigenvalue is corresponding.
Step 110, it is judged that terminal is the terminal corresponding with Second Eigenvalue.
In the present embodiment, server, after judging that this terminal is the terminal that Second Eigenvalue is corresponding, can obtain the behavioural information before user according to this Second Eigenvalue, and stores this behavioural information of terminal, is better Terminal for service.
Step 112, it is judged that terminal is not the terminal corresponding with Second Eigenvalue.
In the terminal identification method provided in the present embodiment, the characteristic information of the terminal by obtaining determines the First Eigenvalue；Obtain the Second Eigenvalue mated with the First Eigenvalue again；When the difference judged between the First Eigenvalue and Second Eigenvalue is less than predetermined threshold value, then illustrate that this terminal is the terminal corresponding with Second Eigenvalue, otherwise, be not the terminal corresponding with Second Eigenvalue.Pass through said method, it is not necessary to implant the information such as cookie in the terminal, can avoid being eliminated so that the identification of terminal becomes more stable.
In one embodiment, as in figure 2 it is shown, the step determining the First Eigenvalue according to characteristic information in terminal identification method, including:
Step 202, obtains and characteristic information characteristic of correspondence parameter value and feature weight according to characteristic information.
Step 204, calculates the sum of products of characteristic ginseng value and feature weight.
Step 206, using sum of products as the First Eigenvalue.
In the present embodiment, server also can distribute characteristic of correspondence weights for characteristic information in advance.And all characteristic informations according to detected terminal find character pair parameter value and feature weight.
For example, as shown in table 2 below, table 2 lists the partial parameters information of terminal and the characteristic ginseng value of corresponding distribution and feature weight.Server by travel through its pre-set need inquiry parameter information, and in the data base of server inquiry pre-set with this design parameter information characteristic of correspondence parameter value.Such as, arranging characteristic of correspondence weights for the parameter information of the language of browser is 0.2, when inquiring the language of browser for Chinese, would know that its characteristic of correspondence parameter value is 3；Arranging characteristic of correspondence weights for the parameter information of the CPU grade of system is 0.8, when inquiring the CPU grade of terminal system and being 3, would know that its characteristic of correspondence parameter value is 18；Etc..
The mapping table of table 2 terminal part parameter information and characteristic ginseng value and feature weight
In the present embodiment, each characteristic ginseng value of accessed terminal can be multiplied with corresponding feature weight, and these products are sued for peace, using this sum of products the First Eigenvalue as terminal.
It should be understood that the determination mode of the Second Eigenvalue of institute's poke is consistent in the determination mode of the First Eigenvalue or server.
Further, at server when each characteristic information of default terminal is with characteristic of correspondence parameter value and feature weight, the characteristic information of not malleable can be distributed bigger characteristic ginseng value and/or bigger feature weight；Accordingly, user is likely to frequent that change or the characteristic information less characteristic ginseng value of distribution and/or less feature weight, so that more clearly can uniquely be determined the terminal of user by this characteristic information.
In one embodiment, obtain the step of the Second Eigenvalue mated with the First Eigenvalue, also include: obtain and the immediate candidate feature value of the First Eigenvalue；Using candidate feature value as Second Eigenvalue.
In the present embodiment, when user be not logged in account or by the difference between Second Eigenvalue and this First Eigenvalue detected by account more than predetermined threshold value after, the immediate candidate feature value of numerical value of inquiry and this First Eigenvalue can be transferred in data base, using candidate feature value as Second Eigenvalue.
For example, as shown in table 3, stored part Second Eigenvalue in the data base of server is listed.Assuming when the First Eigenvalue detected is 123457.23, can find out candidate feature value immediate with it in the table is 123457.2, then this candidate feature value of 123457.2 can be defined as the Second Eigenvalue mated with the First Eigenvalue.
The part second feature value list of storage in table 3 server
In one embodiment, when the difference between the First Eigenvalue and Second Eigenvalue is not less than predetermined threshold value, the First Eigenvalue is increased to another Second Eigenvalue.
In one embodiment, corresponding with the log-on message of user Second Eigenvalue can have multiple.
Concrete, user may log in its account information by different terminals.This First Eigenvalue, after detecting, by the log-on message of user, the Second Eigenvalue mated with the First Eigenvalue, after judging that difference between the two is more than predetermined threshold value, then can be increased to another Second Eigenvalue corresponding with only information such as grade of user by terminal.
When there is multiple corresponding with log-on message Second Eigenvalue, immediate Second Eigenvalue can be chosen with the numerical value of the First Eigenvalue in the Second Eigenvalue of the plurality of correspondence, when judging that the terminal that this immediate Second Eigenvalue is corresponding is the current terminal of user, this user behavior associated by immediate Second Eigenvalue can be obtained, provide the user service.
In one embodiment, when being absent from log-on message, and the difference of acquired Second Eigenvalue and the First Eigenvalue more than predetermined threshold value time, can increase and store this First Eigenvalue is another Second Eigenvalue.And record the behavioural information in the terminal corresponding to this Second Eigenvalue, itself and Second Eigenvalue are associated.
Further, in one embodiment, server can revise this Second Eigenvalue according to the First Eigenvalue that the Second Eigenvalue under preset times is corresponding.
In the present embodiment, this preset times can be arbitrary number of times.Illustrate for preset times for 1, when terminal can in the difference calculated between the Second Eigenvalue and the First Eigenvalue got less than predetermined threshold value, and both numerical value are when differing, can determine whether that the characteristic information of this terminal is modified by user, now this First Eigenvalue can be replaced corresponding Second Eigenvalue.Making the Second Eigenvalue after replacement is the up-to-date feature that can reflect terminal.
When this preset times is more than 1, recordable every time corresponding with this Second Eigenvalue difference of terminal is less than the numerical value of the First Eigenvalue of predetermined threshold value, when this First Eigenvalue numerical value recently continuously several times (such as twice) identical time, the First Eigenvalue that this is identical can be replaced with Second Eigenvalue.Or the meansigma methods of the First Eigenvalue several times recently can be calculated, this meansigma methods is replaced Second Eigenvalue.
For example, as shown in table 4, recording for server is the First Eigenvalue corresponding to 123458 with Second Eigenvalue, and this First Eigenvalue respectively user uses the First Eigenvalue recorded during terminal recently several times.
Table 4 Second Eigenvalue is the First Eigenvalue corresponding to 123458
| The First Eigenvalue | The acquisition time |
| 123458.2 | On June 5th, 2015 |
| 123458.2 | On June 6th, 2015 |
| 123458.2 | On June 7th, 2015 |
| 123458.5 | On June 9th, 2015 |
| 123458.2 | On June 18th, 2015 |
| 123458.2 | On June 20th, 2015 |
| 123458.4 | On June 21st, 2015 |
| 123458.4 | On June 22nd, 2015 |
| 123458.4 | On June 23rd, 2015 |
| 123458.4 | On July 1st, 2015 |
The time assuming the last acquired the First Eigenvalue is on July 1st, 2015, if preset times is 1, then this Second Eigenvalue of 123458 can be modified to 123458.4 by server；If preset times is 5, then the meansigma methods that server can calculate the First Eigenvalue of nearest 5 times corresponding according to the default mode averaged is 123458.36, and this Second Eigenvalue of 123458 is modified to 123458.36.
In the present embodiment, server makes Second Eigenvalue can more accurately symbolize terminal by revising Second Eigenvalue, and then provides the user service more accurately.
In one embodiment, as shown in Figure 3, it is provided that a kind of terminal identification means, this device includes:
Characteristic information acquisition module 302, for obtaining the characteristic information of terminal.
In the present embodiment, terminal can be but not limited to personal computer, notebook computer, panel computer, smart mobile phone, wearable smart machine etc..By pre-setting one section of canvas based on html5 (canvas, or painting canvas) element code in the browser application of terminal, and the user that this section of canvas element code is supplied to each platform uses.Platform including, but not limited to transaction platform, chatting platform, shopping platform etc..This canvas element code can draw out corresponding different canvas fingerprints according to different terminals and browser.Therefore, the corresponding terminal identifying user can be carried out according to this canvas fingerprint.
But, adopt this canvas element code on identical device and same browser, still there is certain repeatability in the canvas fingerprint drawn out.Therefore, can using the canvas fingerprint drawn out one of the characteristic information as terminal.
In one embodiment, what the characteristic information of terminal included in the hardware equipment information of terminal, operation system information, the parameter information of browser, the plugin information of browser and canvas fingerprint is multiple.
Concrete, hardware equipment information includes: the color information (screen.colorDepth) etc. of the high information of the width (screen.heightscreen.width) of terminal display, CPU grade (navigator.cupClass) and terminal display.Operation system information includes: the color information (screen.colorDepth) etc. of the operating system (navigator.platform) of terminal, the time difference (Date () .getTimezoneOffset ()) between Greenwich Mean Time and local zone time and device screen.nullThe parameter information of browser includes: the user agent (navigator.userAgent) in browser http request、The language (navigator.language) of browser、Whether support sessionStorage (window.sessionStorage)、Whether support localStorage (window.localStorage)、Whether support indexdDB (window.indexedDB)、Whether support docment.body.addBehavior (attribute of IE5)、Whether local data base (window.openDatabase) is called in support、Whether support Donottrack function (navigator.doNotTrack) etc..The plugin information of browser includes: the information of flashplugin plug-in unit, the information of AdobePDFReader plug-in unit, the information of Quicktime plug-in unit, the information of RealPlayers plug-in unit, the information of ShockwavePlayer plug-in unit, the information of WindowsMediaPlayer plug-in unit, the information of Silverlight plug-in unit, Skype plug-in unit information etc..
The First Eigenvalue determines module 304, for determining the First Eigenvalue according to characteristic information.
In the present embodiment, the characteristic information that server can be different in advance distributes corresponding different characteristic ginseng values.And all characteristic informations according to detected terminal find character pair parameter value, according to this characteristic ginseng value the First Eigenvalue to should determine that this terminal.
Further, the characteristic information of terminal also includes canvas fingerprint, due to the canvas fingerprint of different terminals and differ, thus cannot allocate a corresponding parameter attribute value in advance for each canvas fingerprint.Canvas can be resolved by terminal, after parsing the character string that canvas fingerprint is corresponding, can calculate the characteristic ginseng value corresponding to this canvas fingerprint according to preset rules.Such as, the numerical value in the predeterminable feature figure place to this section of character string carries out the computings such as specific addition subtraction multiplication and division to calculate this canvas fingerprint characteristic of correspondence parameter value.And then the first parameter value of terminal is determined further according to the characteristic ginseng value of this canvas fingerprint and the characteristic ginseng value of further feature information.
Further, the First Eigenvalue determines that module 304 is additionally operable to according to default mapping, each characteristic ginseng value is calculated the first parameter value.Such as, this mapping can include the addition subtraction multiplication and division four arithmetic operation of routine.
For example, all of characteristic ginseng value can be sued for peace, using the numerical value that draws of the summation the First Eigenvalue as terminal.Such as, have user agent in finding out browser http request, the language of browser is Chinese, support sessionStorage, do not support localStorage, support indexdDB, support DonotTrack function, be absent from the CPU grade of QuickTime plug-in unit and system to be the terminal characteristic of correspondence parameter value under 2 respectively 1,3,6,9,10,12,15 and 17, the characteristic ginseng value of the canvas fingerprint that then can calculate terminal according to preset rules is 100, then can calculate the First Eigenvalue of terminal according to default summation operation is 173.
It should be understood that the characteristic information of the acquired feature that can characterize terminal is more many, then the corresponding the First Eigenvalue determined more can embody the uniqueness of terminal.Characteristic information in the present embodiment may also include other characteristic information of the wherein NM feature that can characterize terminal, does not limit at this.
Matching module 306, for obtaining the Second Eigenvalue mated with the First Eigenvalue.
In the present embodiment, the Relational database on server stores the First Eigenvalue of each terminal, it can be used as Second Eigenvalue.This Second Eigenvalue can be terminal first use browser application or other application after, the First Eigenvalue calculated for the first time.
Server by being associated with this Second Eigenvalue under user's behavior record in terminal, can better provide the user service.
Judge module 308, whether the difference being used for judging between the First Eigenvalue and Second Eigenvalue is less than predetermined threshold value；If so, then judge that terminal is the terminal corresponding with Second Eigenvalue, otherwise, be not the terminal corresponding with Second Eigenvalue.
In the present embodiment, user reuses before browser in terminal, the Partial Feature information in terminal may be changed, browser language is made into English by Chinese as would be likely to occur, it is also possible to the newly-increased or QuickTime plug-in unit or delete RealPlayers plug-in unit etc. of having upgraded, and the change of these characteristic informations can change characteristic of correspondence parameter value accordingly, and then have also been changed the First Eigenvalue of terminal.
Therefore, server can pre-set a threshold value.After the First Eigenvalue getting terminal and Second Eigenvalue, calculate the difference between this First Eigenvalue and Second Eigenvalue.Compare the size between this difference and predetermined threshold value again, when this difference is less than predetermined threshold value, it is judged that terminal is the terminal corresponding with Second Eigenvalue, otherwise, be not the terminal corresponding with Second Eigenvalue.Server, after judging that this terminal is the terminal that Second Eigenvalue is corresponding, can obtain the behavioural information before user according to this Second Eigenvalue, and stores this behavioural information of terminal, is better Terminal for service.
The terminal identification means provided in the present embodiment, it is not necessary to implant the information such as cookie in the terminal, can avoid being eliminated so that the identification of terminal becomes more stable.
In one embodiment, the First Eigenvalue determines that module 304 is additionally operable to obtain and characteristic information characteristic of correspondence parameter value and feature weight according to characteristic information；Calculate the sum of products of characteristic ginseng value and feature weight, using sum of products as the First Eigenvalue.
In the present embodiment, server also can distribute characteristic of correspondence weights for characteristic information in advance.And all characteristic informations according to detected terminal find character pair parameter value and feature weight.
In one embodiment, matching module 306 is for obtaining the log-on message of terminal；The Second Eigenvalue corresponding with log-on message is obtained according to logon information.
In the present embodiment, illustrating for browser application, if its browser account of end user logs employs browser application, server is after the First Eigenvalue getting this terminal for the first time, stored, and set up the related information between the browser log-on message of this First Eigenvalue and user.After detecting that user has reused this browser application, and when having logged in this browser account, the log-on message of user can be obtained, find stored Second Eigenvalue according to corresponding with the related information set up between log-on message in advance.
In one embodiment, matching module 306 is additionally operable to obtain and the immediate candidate feature value of the First Eigenvalue；Using candidate feature value as Second Eigenvalue.
In the present embodiment, when user be not logged in account or by the difference between Second Eigenvalue and this First Eigenvalue detected by account more than predetermined threshold value after, the immediate candidate feature value of numerical value of inquiry and this First Eigenvalue can be transferred in data base, using candidate feature value as Second Eigenvalue.
In one embodiment, as shown in Figure 4, it is provided that another kind of a kind of terminal identification means, this device also includes:
Second Eigenvalue increases module 310, when being not less than predetermined threshold value for the difference between the First Eigenvalue and Second Eigenvalue, the First Eigenvalue increases to another Second Eigenvalue.
In one embodiment, corresponding with the log-on message of user Second Eigenvalue can have multiple.
Concrete, user may log in its account information by different terminals.This First Eigenvalue, after detecting, by the log-on message of user, the Second Eigenvalue mated with the First Eigenvalue, after judging that difference between the two is more than predetermined threshold value, then can be increased to another Second Eigenvalue corresponding with only information such as grade of user by terminal.
When there is multiple corresponding with log-on message Second Eigenvalue, immediate Second Eigenvalue can be chosen with the numerical value of the First Eigenvalue in the Second Eigenvalue of the plurality of correspondence, when judging that the terminal that this immediate Second Eigenvalue is corresponding is the current terminal of user, this user behavior associated by immediate Second Eigenvalue can be obtained, provide the user service.
In one embodiment, when being absent from log-on message, and the difference of acquired Second Eigenvalue and the First Eigenvalue more than predetermined threshold value time, can increase and store this First Eigenvalue is another Second Eigenvalue.And record the behavioural information in the terminal corresponding to this Second Eigenvalue, itself and Second Eigenvalue are associated.
In one embodiment, as shown in Figure 5, it is provided that another a kind of terminal identification means, this device also includes:
Second Eigenvalue increases module 312, for revising this Second Eigenvalue according to the First Eigenvalue that the Second Eigenvalue under preset times is corresponding.
In the present embodiment, this preset times can be arbitrary number of times.Illustrate for preset times for 1, when terminal can in the difference calculated between the Second Eigenvalue and the First Eigenvalue got less than predetermined threshold value, and both numerical value are when differing, can determine whether that the characteristic information of this terminal is modified by user, now this First Eigenvalue can be replaced corresponding Second Eigenvalue.Making the Second Eigenvalue after replacement is the up-to-date feature that can reflect terminal.
When this preset times is more than 1, recordable every time corresponding with this Second Eigenvalue difference of terminal is less than the numerical value of the First Eigenvalue of predetermined threshold value, when this First Eigenvalue numerical value recently continuously several times (such as twice) identical time, the First Eigenvalue that this is identical can be replaced with Second Eigenvalue.Or the meansigma methods of the First Eigenvalue several times recently can be calculated, this meansigma methods is replaced Second Eigenvalue.
In the present embodiment, server makes Second Eigenvalue can more accurately symbolize terminal by revising Second Eigenvalue, and then provides the user service more accurately.
It should be understood that this terminal identification means can not also include Second Eigenvalue increases module 310.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a terminal identification method, it is characterised in that said method comprising the steps of:
Obtain the characteristic information of terminal；
The First Eigenvalue is determined according to described characteristic information；
Obtain the Second Eigenvalue mated with described the First Eigenvalue；
Judge that whether the difference between described the First Eigenvalue and described Second Eigenvalue is less than predetermined threshold value；
If so, then judge that described terminal is the terminal corresponding with described Second Eigenvalue, otherwise, be not the terminal corresponding with described Second Eigenvalue.
2. method according to claim 1, it is characterised in that the described step determining the First Eigenvalue according to described characteristic information, including:
Obtain and described characteristic information characteristic of correspondence parameter value and feature weight according to described characteristic information；
Calculate the sum of products of described characteristic ginseng value and described feature weight, using described sum of products as the First Eigenvalue.
3. method according to claim 1, it is characterised in that the step of the Second Eigenvalue that described acquisition is mated with described the First Eigenvalue, including:
Obtain the log-on message of described terminal；
The Second Eigenvalue corresponding with described log-on message is obtained according to described logon information.
4. method according to claim 1, it is characterised in that the step of the Second Eigenvalue that described acquisition is mated with described the First Eigenvalue, also includes:
Obtain and the immediate candidate feature value of described the First Eigenvalue；
Using described candidate feature value as described Second Eigenvalue.
5. method according to claim 1, it is characterised in that when the difference between described the First Eigenvalue and described Second Eigenvalue is not less than predetermined threshold value, increases to another Second Eigenvalue by described the First Eigenvalue.
6. a terminal identification means, it is characterised in that described device includes:
Characteristic information acquisition module, for obtaining the characteristic information of terminal；
The First Eigenvalue determines module, for determining the First Eigenvalue according to described characteristic information；
Matching module, for obtaining the Second Eigenvalue mated with described the First Eigenvalue；
Judge module, whether the difference being used for judging between described the First Eigenvalue and described Second Eigenvalue is less than predetermined threshold value；If so, then judge that described terminal is the terminal corresponding with described Second Eigenvalue, otherwise, be not the terminal corresponding with described Second Eigenvalue.
7. device according to claim 6, it is characterised in that described the First Eigenvalue determines that module is additionally operable to obtain and described characteristic information characteristic of correspondence parameter value and feature weight according to described characteristic information；Calculate the sum of products of described characteristic ginseng value and described feature weight, using described sum of products as the First Eigenvalue.
8. device according to claim 6, it is characterised in that described matching module is for obtaining the log-on message of described terminal；The Second Eigenvalue corresponding with described log-on message is obtained according to described logon information.
9. device according to claim 6, it is characterised in that described matching module is additionally operable to obtain and the immediate candidate feature value of described the First Eigenvalue；Using described candidate feature value as described Second Eigenvalue.
10. device according to claim 6, it is characterised in that described device also includes:
Second Eigenvalue increases module, when being not less than predetermined threshold value for the difference between described the First Eigenvalue and described Second Eigenvalue, described the First Eigenvalue is increased to another Second Eigenvalue.
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