CN107463830A - The generation method and device and verification method and device of identifying code - Google Patents
The generation method and device and verification method and device of identifying code Download PDFInfo
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- CN107463830A CN107463830A CN201710551093.0A CN201710551093A CN107463830A CN 107463830 A CN107463830 A CN 107463830A CN 201710551093 A CN201710551093 A CN 201710551093A CN 107463830 A CN107463830 A CN 107463830A
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- Prior art keywords
- identifying code
- picture
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- expenses
- code picture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/36—User authentication by graphic or iconic representation
Abstract
The present invention provides a kind of verification code generation method and device and verification method and device, wherein, verification code generation method includes：Generation step, generate continuous one group of multiframe identifying code picture；And step is played, with multiframe identifying code picture described in predetermined time interval played in order, to characterize the directional information as checking information.Methods described also includes：Dicing step, it is M one's share of expenses for a joint undertaking pictures by every frame identifying code picture cutting in the multiframe identifying code picture of generation；And sub-pictures step display, sub-pictures described in Dynamic Announce.
Description
Technical field
Inventive network security technology area, more particularly to a kind of generation method of identifying code and device and verification method
And device.
Background technology
With the development of cyber-net science and technology, the increasingly extensive each neck for being applied to production and living of Internet technology
Domain.But network also inevitably brings challenges while bringing the mankind and facilitating, for example, how effectively to prevent that malice is broken
The problems such as deciphering, forum's malice are poured water.Verification method as such as verification code technology and system can be distinguished as one kind
The public auto-programming that active user is computer or people (CAPTCHA) plays an important role in solving the above problems.
The identifying code picture of prior art is usually static authentication code picture, in order to reduce by the wind of machine automatic identification
Danger, can be blurred to static authentication code picture, be distorted, or add noise etc. in the background.But because machine is automatic
Recognition capability is more and more stronger, the risk being cracked still be present.
In order to improve identifying code by the difficulty of machine recognition, generate by playing to obtain static authentication code picture frame by frame
Dynamic verification code picture.
However, machine still can be by identifying per the identifying code and background in frame picture, and pass through single frames figure therein
Piece cracks identifying code, thus causes the dynamic verification code risk cracked by machine to be still present.
The content of the invention
In view of problem above, the invention provides a kind of verification code generation method and device, and it can utilizing machine
When identifying code is identified device, even if obtaining a certain frame picture therein, identifying code also can not be correctly identified, so as to reduce
Machine reduces the risk that identifying code is cracked to the automatic identification ability of identifying code.
According to the first aspect of the invention, there is provided a kind of verification code generation method, it is characterised in that methods described includes：
Generation step, generate continuous one group of multiframe identifying code picture；And
Step is played, with multiframe identifying code picture described in predetermined time interval played in order, checking information is used as to characterize
Directional information.
Further, methods described also includes：
Dicing step, it is M one's share of expenses for a joint undertaking pictures by every frame identifying code picture cutting in the multiframe identifying code picture of generation；
And
Sub-pictures step display, sub-pictures described in Dynamic Announce.
Further, in the sub-pictures step display, the M-j one's shares of expenses for a joint undertaking in M one's shares of expenses for a joint undertaking picture described in gradation random display
Picture.
Further, in the sub-pictures step display, the time interval of the gradation random display isIts
In, t is the predetermined time interval, and
Each one's share of expenses for a joint undertaking picture in the M one's shares of expenses for a joint undertaking picture is at least shown once.
Further, by rotate, translate, stretch, scale, distort in more than one or both characterize the direction and believe
Breath.
Further, in the broadcasting step, the predetermined time interval persists the time less than or equal to human eye vision.
Another aspect provides a kind of identifying code generating means, it is characterised in that described device includes：
Generation module, the generation module are used to generate continuous one group of multiframe identifying code picture；And
Playing module, the playing module is used for multiframe identifying code picture described in predetermined time interval played in order, with table
Levy the directional information as checking information.
Further, described device also includes：
Cutting module, the cutting module are used to cut in every frame identifying code picture in the multiframe identifying code picture of generation
It is divided into M one's share of expenses for a joint undertaking pictures；And
Sub-pictures display module, the sub-pictures display module are used for sub-pictures described in Dynamic Announce.
Further, the M-j one's share of expenses for a joint undertaking pictures in M one's share of expenses for a joint undertaking pictures described in the sub-pictures display module gradation random display.
Further, in the sub-pictures step display, the time interval of the gradation random display isIts
In, t is the predetermined time interval, and
Each one's share of expenses for a joint undertaking picture in the M one's shares of expenses for a joint undertaking picture is at least shown once.
Further, by rotate, translate, stretch, scale, distort in more than one or both characterize the direction and believe
Breath.
Further, the predetermined time interval persists the time less than or equal to human eye vision.
A kind of verification method is provided according to the third aspect of the invention we, it is characterised in that methods described includes：
Dynamic Announce identifying code picture, wherein, the identifying code picture generates according to the method described in first aspect；
Receive user's input；And
User's input is verified, user's input is verified based on the directional information.
A kind of checking device is provided according to the fourth aspect of the invention, it is characterised in that described device includes：
Dynamic display module, the dynamic display module are used for Dynamic Announce identifying code picture, wherein, the identifying code picture
Generated according to the method described in first aspect；
Receiving module, the receiving module are used to receive user's input；And
Authentication module, the authentication module are used to verify user's input based on the directional information.
Technical scheme is done and retouched in further detail below in conjunction with the accompanying drawing and preferred embodiment of the present invention
State, beneficial effects of the present invention will be further appreciated.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the present invention, but its
Illustrate to be only used for explaining the present invention, do not form inappropriate limitation of the present invention.
Fig. 1 is the flow chart of verification code generation method according to one preferred embodiment of the present invention.
Fig. 2 is being rotated to identifying code picture in verification code generation method according to one preferred embodiment of the present invention
Illustrate figure, wherein Fig. 2 (a) shows the first frame picture, and Fig. 2 (b) shows being superimposed for the second frame picture and the first frame picture.
Fig. 3 is to carry out cutting to the first frame picture in verification code generation method according to one preferred embodiment of the present invention to show
It is intended to.
Fig. 4 is the structural representation of identifying code generating means according to one preferred embodiment of the present invention.
Fig. 5 is the flow chart of verification method according to one preferred embodiment of the present invention.
Fig. 6 is the structural representation of checking device according to one preferred embodiment of the present invention.
Embodiment
Specific embodiment and corresponding accompanying drawing below in conjunction with the present invention carry out clear, complete to technical solution of the present invention
Ground describes.Obviously, described embodiment is only a part of preferred embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are combined first, are described according to verification code generation method of the present invention.Fig. 1 is shown according to the present invention
The verification code generation method of one preferred embodiment, as shown in figure 1, the verification code generation method includes：Step S1, generation
Multiframe identifying code picture；Step S4, dynamic sequential play multiframe identifying code picture, and the direction to characterize as checking information is believed
Breath.According to the program of the present invention, by the directional information for being characterized dynamic play multiframe identifying code picture is as identifying code
Information, it can cause when identifying code is identified using machine, also can not be correct even if obtaining a certain frame picture therein
Identifying code is identified, so as to reduce automatic identification ability of the machine to identifying code, reduces the risk that identifying code is cracked.
Preferably, also included according to the verification code generation method of the present invention：Step S2, by the multiframe identifying code of generation
Every frame identifying code picture cutting in picture is M one's share of expenses for a joint undertaking pictures；Step S3, sub-pictures described in Dynamic Announce, is shown every time with timesharing
Show partial subgraph piece therein.Thus, by that will be that simultaneously timesharing shows it to more one's share of expenses for a joint undertaking pictures every time per the cutting of frame identifying code picture
In partial subgraph piece, to ensure at least to be shown one during the timesharing of the frame identifying code picture is shown per one's share of expenses for a joint undertaking picture
It is secondary so that the picture that machine grabs will incomplete (be less than human eye vision and persist time within time, such as 50ms
Interval), and human eye has vision remaining time, and also the brain of people complicated can analyze context and (be persisted more than human eye vision
Time, such as more than 50ms) difference, then according to the solution of the present invention, on the basis of people can identify, effectively prevent
Machine recognition.
Each step of the above-mentioned verification code generation method of the present invention is described in detail below.
Step S1：Generation step, generate multiframe identifying code picture.
For example, by rotation, translation, stretching, scaling, distortion etc., generation includes the directional information as checking information
Continuous one group of multiframe identifying code picture.Fig. 2 (a), 2 (b) are the exemplary reality that multiframe identifying code picture is generated by rotation
Example.
Identifying code picture as shown by Fig. 2 (a), it is the exemplary reality according to the first frame identifying code picture of the present invention
Example.In the frame identifying code picture, generate a y-axis and the symmetrical picture of x-axis, picture exist a public angle (for example,
It is 90 ° as shown in drawings).On the basis of the first frame identifying code picture, in one direction (for example, being up time in accompanying drawing
Pin direction) rotated to an angle α around the centre of figure point of the picture, the second frame picture is obtained, the like, every time in institute
Anglec of rotation α in a direction is stated, until obtaining nth frame identifying code picture so that nth frame identifying code picture and the first frame are verified
Angle between code picture is less than α.In order to ensure display effect so that the direction of rotation shown, which is not present, to be misread, it is preferable that
Anglec of rotation α is less than 45 °.
Because the retentivity time of eye T of human eye is about 0.05s, it is therefore preferred that making N be more than 24 so that with predetermined
, can be as the effect reached when playing film when time interval t (t≤T) plays out to above-mentioned N frames picture, human eye energy
Enough see the dynamic effect continuously played.In the present invention, N is merely illustrative more than 24, the identifying code picture generated
Frame number can be bigger.Predetermined time interval t is less than or equal to retentivity time of eye T, can cause result of broadcast more preferably.
Also, obtain multiframe identifying code picture above by rotation and be also only an exemplary illustration, the invention is not restricted to
This.For example, the anglec of rotation of multiframe picture can be unfixed；Direction of rotation can be clockwise or counterclockwise.
One group of multiframe identifying code picture can also be obtained, as long as should by translating, stretching, scaling, one or more of distorting etc.
Multiframe identifying code picture can continuously play with characterize a directional information can (for example, in the example shown in Fig. 2 (b), table
The directional information of sign is to turn clockwise).
Step S2：Dicing step, it is M one's share of expenses for a joint undertaking pictures by every frame identifying code picture cutting in the multiframe identifying code picture
Cutting will be carried out and every frame identifying code picture in the multiframe identifying code picture that obtains by above-mentioned steps S1, so as to
Obtain M one's shares of expenses for a joint undertaking picture (M is positive integer).Cutting to every frame identifying code picture can carry out regular ground grid as shown in Figure 3
Cutting, to be cut into M one's share of expenses for a joint undertaking pictures.The method that the present invention does not limit the cutting, for example, irregular straight line, song can be utilized
Line etc. will carry out cutting per frame identifying code picture, and not limit the quantity of the sub-pictures after being split.Every one's share of expenses for a joint undertaking after cutting
The size of picture, shape etc. can be the same or different.Also, every frame identifying code picture in multiframe identifying code picture is cut
The mode divided can be with identical, can also be different.It is possible to further realize above-mentioned sub-pictures using existing image cutting method
Cutting, the present invention do not limit.
Step S3：Sub-pictures step display, the M one's shares of expenses for a joint undertaking picture that Dynamic Announce cutting obtains
For each frame identifying code picture, the M one's shares of expenses for a joint undertaking picture of Dynamic Announce cutting acquisition, withTime between
Every the M-j one's share of expenses for a joint undertaking pictures in M one's shares of expenses for a joint undertaking picture described in gradation random display, wherein, t is between the reproduction time of multiframe identifying code picture
Every (predetermined time interval described previously), i.e. per the reproduction time overall length of frame identifying code picture, and (T is human eye vision to t≤T
Persist the time).In addition, the effect shown for guarantee picture, it is preferable that j is set smaller than into M/2, and (j ＜ M/2, j are just whole
Number).Specifically so that the dynamic play total length of time per frame identifying code picture is t, and with time intervalShould
Frame identifying code picture playing M times, lack j one's shares of expenses for a joint undertaking picture therein at random every time, and ensure so that each in M one's share of expenses for a joint undertaking pictures
Sub-pictures are at least played once during playing for this M times.Wherein, it is only example to play M times, as long as guaranteeing so that all
Sub-pictures were shown.Above-mentioned M-j one's shares of expenses for a joint undertaking picture is only an example using the display mode of random display, can be with
The display mode shown using rule, wherein, sub-pictures as defined in each display.For example, a line subgraph therein is shown every time
Piece, a row sub-pictures etc..
For sub-pictures and sub-pictures are made to show by several times each frame identifying code picture cutting by above-mentioned so that each frame
Picture can not exclusively be shown in each display during gradation is shown.When machine is identified, even if grabbing it
In certain of a frame picture once show, can not also identify the content information of the frame picture completely.Broken so as to reduce identifying code
The risk of solution.
Step S4：Step is played, dynamic sequential plays multiframe identifying code picture
Played in order is carried out with predetermined time interval t to the one group of N frame identifying code picture generated in step S1, made with characterizing
For the directional information of checking information.
Specifically, after the first frame identifying code picture is shown, with predetermined time interval t (when t≤T, T are the persistence of vision
Between), such as the display of 0.05s the second frame identifying code pictures of progress, the like, until display nth frame identifying code picture.So that
The one group of N frame identifying codes picture sequence generated in step S1 plays, and is included as verifying so as to characterize the N frame pictures
The directional information of information.
Direction information is not limited to Fig. 2 (a), the rotation shown in 2 (b), can also include translation, amplification, reduce, distortion
Deng.As long as the consecutive variations of the content represented in identifying code picture can be realized.
Above-mentioned predetermined time interval t can be set as needed, as long as it is not more than the retentivity time of eye.
For example, if necessary to make it that display is clear, predetermined time interval t can be set as smaller.
In the present invention, the identifying code generated using the above-mentioned verification code generation method by the present invention, can be verified
Directional information therein；The multiple identifying codes for representing directional information can also be generated simultaneously, are found out and are wherein believed comprising different directions
The identifying code of breath；Selection it can also meet identifying code for problem answers etc. in the multiple identifying codes for representing directional information.
That is, the present invention does not limit the concrete application method of the identifying code of the expression directional information.
The verification code generation method according to the present invention is the foregoing described, the checking below in conjunction with Fig. 4 descriptions according to the present invention
Code generating means.
Include generation module 101, playing module 104 according to the identifying code generating means 100 of the present invention；Preferably, according to
The identifying code generating means of the present invention also include picture cutting module 102 and sub-pictures display module 103.Below to each mould
Block is described in detail one by one.
Acquisition module 101 is used for for example, by rotation, translation, stretching, scaling, distortion etc., generation are included as checking letter
Continuous one group of multiframe identifying code picture of the directional information of breath.
It is M one's share of expenses for a joint undertaking pictures that cutting module 102, which is used for every frame identifying code picture cutting in the multiframe identifying code picture,.
The cutting can be regular ground grid cutting or irregular cutting, and the not quantity of siding stopping picture.
Sub-pictures display module 103 is used for M one's shares of expenses for a joint undertaking picture described in Dynamic Announce.Specifically, for each frame identifying code figure
Piece, the M one's shares of expenses for a joint undertaking picture that Dynamic Announce cutting obtains, withTime interval gradation random display described in M one's share of expenses for a joint undertaking pictures
In M-j one's share of expenses for a joint undertaking pictures.
Playing module 104 is used for dynamic sequential and plays multiframe identifying code picture.Specifically, the first frame identifying code figure is being shown
After piece, the display of the second frame identifying code picture is carried out with predetermined time interval t, such as 0.05s, the like, until display
Nth frame identifying code picture.So that the one group of N frame identifying codes picture sequence generated in step S1 plays, so as to characterize the N frames
Picture is included as the directional information of checking information.
The verification code generation method and device according to the present invention are the foregoing described, is tested using what the above method and device generated
Code is demonstrate,proved, in the display of any frame picture during dynamic verification code is shown, does not include the information finally verified, so that
Obtain when machine carries out automatic identification, even if identifying a frame therein even a few frame pictures, can not also draw the result.Cause
This, can reduce identifying code by the risk of machine recognition according to the verification method of the present invention and device, enhance the peace of identifying code
Quan Xing.And by the processing such as fuzzy, plus noise is not present in the identifying code that the verification method in the present invention and device are generated, make
The directional information in identifying code can clearly be watched on direct vision by obtaining user, so as to improve the visual experience of user.
Present invention also offers verification method and device.Below with reference to Fig. 5 and 6 description according to the present invention verification method and
Device.
As shown in figure 5, included according to the verification method of the present invention：Step S11, Dynamic Announce identifying code picture are made with characterizing
For the directional information of checking information；Step S12, receive user's input；And step S13, verify that user inputs.Retouch in detail below
State each step.
Step S11, Dynamic Announce identifying code picture
The identifying code that display is generated according to the previously described verification code generation method according to the present invention.The identifying code
Specific generation step as it was noted above, thereof will be omitted its explanation.
Step S12, user's input is received, for example, letter, numeral, underscore etc..
Step S13, verify that user inputs, the directional information in the identifying code picture is tested user's input
Card.
If user's input is correct, allow user to log in, if input is incorrect, refresh identifying code, display is in addition
One identifying code, continues to verify and prompts user to input again, until user's input is correct, or user's input error
Untill number reaches pre-determined number and stops checking.
Pass through above-mentioned verification method so that user, without Fuzzy Processing etc., improves it can be seen that dynamic identifying code
The visual experience of user.And every frame of above-mentioned identifying code does not include the information for needing to verify, so as to avoid by machine
The risk cracked, improve the security of system of checking.
Checking device according to the present invention is described below.As shown in fig. 6,
Dynamic display module 111, receiving module 112 and authentication module 113 are included according to the checking device 110 of the present invention.
Dynamic display module 111 is used for Dynamic Announce identifying code picture, i.e. for showing according to previously described according to this
The identifying code that the verification code generation method of invention is generated.The specific generating process of the identifying code will be as it was noted above, here will
The description thereof will be omitted.
Receiving module 112 is used to receive user's input, for example, letter, numeral, underscore etc..
Authentication module 113 is used to verify that user inputs, and the directional information in the identifying code picture inputs to user
Verified.
If user's input is correct, allow user to log in, if input is incorrect, refresh identifying code, display is in addition
One identifying code, continues to verify and prompts user to input again, until user's input is correct, or user's input error
Untill number reaches pre-determined number and stops checking.
The verification method and system according to the present invention are the foregoing described, using this method and system, identifying code can be utilized
Picture so that single frames picture can not also be identified checking information even if being crawled, so as to reduce machine recognition success rate, drop
The risk that low identifying code is cracked, improves internet security.
Embodiments herein is the foregoing is only, is not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included within scope of the presently claimed invention.
Claims (14)
1. a kind of verification code generation method, it is characterised in that methods described includes：
Generation step, generate continuous one group of multiframe identifying code picture；And
Step is played, with multiframe identifying code picture described in predetermined time interval played in order, the side of checking information is used as to characterize
To information.
2. the method as described in claim 1, it is characterised in that methods described also includes：
Dicing step, it is M one's share of expenses for a joint undertaking pictures by every frame identifying code picture cutting in the multiframe identifying code picture of generation；And
Sub-pictures step display, sub-pictures described in Dynamic Announce.
3. method as claimed in claim 2, it is characterised in that wherein,
In the sub-pictures step display, the M-j one's share of expenses for a joint undertaking pictures in M one's shares of expenses for a joint undertaking picture described in gradation random display.
4. method as claimed in claim 3, it is characterised in that wherein
In the sub-pictures step display, the time interval of the gradation random display isWherein, t is described predetermined
Time interval, and
Each one's share of expenses for a joint undertaking picture in the M one's shares of expenses for a joint undertaking picture is at least shown once.
5. the method as described in any one of Claims 1-4, it is characterised in that wherein
By rotate, translate, stretch, scale, distort in more than one or both characterize the directional information.
6. the method as described in any one of Claims 1-4, it is characterised in that wherein
In the broadcasting step, the predetermined time interval persists the time less than or equal to human eye vision.
7. a kind of identifying code generating means, it is characterised in that described device includes：
Generation module, the generation module are used to generate continuous one group of multiframe identifying code picture；And
Playing module, the playing module are used to, with multiframe identifying code picture described in predetermined time interval played in order, to characterize make
For the directional information of checking information.
8. device as claimed in claim 7, it is characterised in that described device also includes：
Cutting module, the cutting module for being by every frame identifying code picture cutting in the multiframe identifying code picture of generation
M one's share of expenses for a joint undertaking pictures；And
Sub-pictures display module, the sub-pictures display module are used for sub-pictures described in Dynamic Announce.
9. device as claimed in claim 8, it is characterised in that wherein
M-j one's share of expenses for a joint undertaking pictures in M one's share of expenses for a joint undertaking pictures described in the sub-pictures display module gradation random display.
10. device as claimed in claim 9, it is characterised in that wherein
The time interval of the gradation random display of the sub-pictures display module isWherein, t is the scheduled time
Interval, and
Each one's share of expenses for a joint undertaking picture in the M one's shares of expenses for a joint undertaking picture is at least shown once.
11. the device as described in any one of claim 7 to 10, it is characterised in that wherein
By rotate, translate, stretch, scale, distort in more than one or both characterize the directional information.
12. the device as described in any one of claim 7 to 10, it is characterised in that wherein
The predetermined time interval persists the time less than or equal to human eye vision.
13. a kind of verification method, it is characterised in that methods described includes：
Dynamic Announce identifying code picture, wherein, side of the identifying code picture according to any one of claim 1 to 6
Method generates；
Receive user's input；And
User's input is verified, user's input is verified based on the directional information.
14. one kind checking device, it is characterised in that described device includes：
Dynamic display module, the dynamic display module are used for Dynamic Announce identifying code picture, wherein, the identifying code picture according to
Method generation described in any one of claim 1 to 6；
Receiving module, the receiving module are used to receive user's input；And
Authentication module, the authentication module are used to verify user's input based on the directional information.
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| CN108959901A (en) * | 2018-07-13 | 2018-12-07 | 浙江每日互动网络科技股份有限公司 | Identifying code reminding method based on picture carousel |
| CN108959901B (en) * | 2018-07-13 | 2020-07-24 | 浙江每日互动网络科技股份有限公司 | Verification code prompting method based on picture carousel |
| CN109104422A (en) * | 2018-08-07 | 2018-12-28 | 浙江每日互动网络科技股份有限公司 | Identifying code reminding method based on superposition picture carousel |
| CN109104422B (en) * | 2018-08-07 | 2020-09-25 | 浙江每日互动网络科技股份有限公司 | Verification code prompting method based on superimposed picture carousel |
| CN109388933A (en) * | 2018-09-06 | 2019-02-26 | 中南民族大学 | Verification method, device, user equipment and storage medium based on dynamic subgraph |
| CN110096866A (en) * | 2019-05-14 | 2019-08-06 | 重庆商勤科技有限公司 | A kind of identifying code display control issues control, network verification method |
| CN110472386A (en) * | 2019-07-11 | 2019-11-19 | 平安普惠企业管理有限公司 | Dynamic verification method, device, computer equipment and storage medium |
| WO2021003916A1 (en) * | 2019-07-11 | 2021-01-14 | 平安普惠企业管理有限公司 | Dynamic verification method and apparatus, and computer device and storage medium |
| CN110472386B (en) * | 2019-07-11 | 2024-02-27 | 深圳市兴海物联科技有限公司 | Dynamic verification method, dynamic verification device, computer equipment and storage medium |
| CN113821786A (en) * | 2020-06-18 | 2021-12-21 | 中移(苏州)软件技术有限公司 | Verification code obtaining and displaying method and related device |
| US20220147609A1 (en) * | 2020-11-11 | 2022-05-12 | Nexon Korea Corporation | Method and apparatus for providing captcha system |
| US11803630B2 (en) * | 2020-11-11 | 2023-10-31 | Nexon Korea Corporation | Method and apparatus for providing CAPTCHA system |
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