CN101853350A - Dynamic Turing verification method and device - Google Patents
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Abstract
The invention relates to the technical field of the information safety, and provides a dynamic Turing verification method and a device. The device comprises a server terminal and a customer terminal, wherein the server terminal generates a pattern with a verification point randomly, the verification point is arranged within a pre-determined relative range of the pattern, a coordinate of the verification point is recorded and transmitted to the customer terminal; a coordinate terminal which is returned by the customer terminal is received, the received coordinate is compared with the recorded coordinate of the verification point, and if the received coordinate is identical to the recorded coordinate of the verification point, the verification is passed; and the customer terminal is used for generating a display window of a pre-determined size, the display window continuously and randomly display part of the pattern, the part of the pattern which is displayed by the display window comprises the verification point, a coordinate on the customer terminal which is inputted in the display window is obtained the inputted coordinate is reduced to the coordinate on the pattern, and the coordinate which is relative to the pattern is transmitted to the server terminal. Since the verification point is continuously varied and moved in the display window, the safety of the Turing verification is improved.
Description
Technical field
The present invention is a kind of dynamic Turing verification method and device relevant for field of information security technology specifically.
Background technology
Turing test (CAPTCHA) stems from the theory of the father Tu Ling of computing machine, the figure spirit is thought, whether really has artificial intelligence if judge a machine, need put question to some problems to this machine, if the answer of this machine makes the quizmaster can't distinguish the answer of machine or people's answer, so just can think that this machine has artificial intelligence.
Nowadays, in the turing test widespread use computer realm, be used in particular for verifying whether the registrant is genuine " mankind ", be illustrated in figure 1 as a kind of figure spirit image of the prior art.
Some website is when register account number or use Net silver, one of them step is the literal of importing in this picture of Fig. 1 for example, for the mankind, literal in the identification picture is not difficult, but for computer program, then be very difficult thing, can prevent the use of auto-programming in this way.
In online game, turing test also is used widely, and is anti-plug-in important means.Plug-in, be meant the auto-programming that can replace the player to play games.Because plug-in spreading unchecked in a large number to recreation manufacturer brings enormous economic loss.So play in a large number manufacturer all with Turing verification as anti-plug-in basic means.
But, continuous development along with network technology, common turing test more and more is difficult to tackle the multifarious means (for example image recognition technology etc.) that crack, and wherein, having occurred a kind of means that crack recently is exactly artificial generation to answer mechanism (Captcha human bypass).
In artificial generation, answered and is dealt in the pictures that are meant turing test on a certain the machine, by artificial answer, and answer beamed back, and like this, not needs advanced image recognition technology, and auto-programming just can pass through various turing tests.
Summary of the invention
The present invention just is based on the problems referred to above and proposes, and its purpose is to provide a kind of dynamic Turing verification method and device, is used for solving in the prior art Turing verification pattern answer and fixes, easily the problem that cracks of the mode of being answered by image recognition or artificial generation.
The embodiment of the invention provides a kind of dynamic Turing verification method, comprises,
Generate the pattern that has the check post at random, described check post is positioned at the predetermined relative scope of described pattern;
Write down the coordinate of described check post;
Described pattern is sent to client;
Receive described client and return coordinate, this coordinate is to be reduced to coordinate with respect to pattern at client is imported the user in described client generates the display window of pre-sizing coordinate, described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows;
Described server end is compared the described coordinate that receives with the check post coordinate of described record, and if identical the checking pass through.
A further aspect according to a kind of dynamic Turing verification method of the embodiment of the invention, at the described pattern that has the check post that generates at random, described check post also comprises after being positioned at the predetermined relative scope of described pattern, and described pattern is disturbed and/or the prospect and the background of described pattern are overturn.
According to another further aspect of a kind of dynamic Turing verification method of the embodiment of the invention, in that being sent in the client, described pattern also comprises, described pattern is carried out encryption.
The embodiment of the invention also provides a kind of client to carry out the method for dynamic Turing verification, comprises,
The pattern that has the check post that the reception server end sends, described check post are positioned at the predetermined relative scope of described pattern;
Generate the display window of pre-sizing, described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows;
Obtain the coordinate that described client is imported in described display window, the coordinate of described input is reduced to coordinate on the described pattern, send this coordinate to server end with respect to pattern.
Carry out a further aspect of dynamic Turing verification method according to a kind of client of the embodiment of the invention, obtaining the coordinate that described client is imported in described display window, the coordinate of described input is reduced to coordinate on the described pattern, sending this coordinate with respect to pattern to server end also comprises before, if the described pattern that receives has carried out encryption, then the parameter according to the display window of described generation is decrypted the part pattern, thereby obtains a part of pattern of showing in the described display window.
Another further aspect according to the embodiment of the invention, obtaining the coordinate that described client is imported in described display window, the coordinate of described input is reduced to coordinate on the described pattern, send this coordinate to server end and also comprise before, a part of pattern that shows in the described display window is twisted conversion and change color with respect to pattern.
The embodiment of the invention also provides a kind of dynamic Turing verification server, comprises,
The pattern generation unit is used for generating at random the pattern that has the check post, and described check post is positioned at the predetermined relative scope of described pattern;
Storage element is used to write down the coordinate of described check post;
Transmitting element is used for described pattern is sent to client;
Receiving element, be used to receive described client and return coordinate, this coordinate is to be reduced to coordinate with respect to pattern at client is imported the user in described client generates the display window of pre-sizing coordinate, described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows;
Authentication unit is used for the described coordinate that receives is compared with the check post coordinate of described record, and if identical the checking pass through.
The embodiment of the invention also provides a kind of client of dynamic Turing verification, comprises,
Receiving element is used for the pattern that has the check post that the reception server end sends, and described check post is positioned at the predetermined relative scope of described pattern;
The display window generation unit is used to generate the display window of pre-sizing, and described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows;
Map unit is used for obtaining the coordinate that described client is imported at described display window, and the coordinate of described input is reduced to coordinate on the described pattern;
Transmitting element is used for the coordinate on the pattern of above-mentioned reduction is sent to server end.
A further aspect according to the client of a kind of dynamic Turing verification of the embodiment of the invention comprises that also decryption unit is connected with described display window generation unit, is used for the part pattern that described display window shows is carried out corresponding decryption processing.
The embodiment of the invention also provides a kind of dynamic Turing verification system, comprises,
Server end is used for generating at random the pattern that has the check post, and described check post is positioned at the predetermined relative scope of described pattern, writes down the coordinate of described check post and described pattern is sent to client; Receive described client and return coordinate, the described coordinate that receives is compared with the check post coordinate of described record, and if identical the checking pass through;
Described client, be used to generate the display window of pre-sizing, described display window constantly shows the part of described pattern at random, comprise described check post in a part of pattern that wherein said display window shows, obtain the coordinate that described client is imported in described display window, the coordinate of described input is reduced to coordinate on the described pattern, sends this coordinate to server end with respect to pattern.
In the embodiment of the invention, when the mode that adopts artificial generation to answer cracks verification mode in the embodiment of the invention, because the check post constantly changes in display window, move, use artificial generation answer or image recognition etc. to crack check post coordinate that technology returns be coordinate in the display window, it is not the coordinate of really verifying in the pattern, so can't be by the checking of server with the coordinate that this generation is answered or image recognition is returned, thereby improved the security of Turing verification, prevent the artificial threat that cracks technology for answer or image recognition etc., this method can be applied to the processes such as checking in the network, the for example checking in the recreation login, checking in the game process, perhaps login authentication in the Internet bank etc.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Figure 1 shows that a kind of figure spirit pattern of the prior art;
Figure 2 shows that a kind of dynamic Turing verification method process flow diagram of the embodiment of the invention;
Figure 3 shows that a kind of client of the embodiment of the invention carries out the method flow diagram of dynamic Turing verification;
Figure 4 shows that the structural representation of a kind of dynamic Turing verification server of the embodiment of the invention;
Figure 5 shows that the client terminal structure synoptic diagram of a kind of dynamic Turing verification of the embodiment of the invention;
Figure 6 shows that the structural representation of embodiment of the invention dynamic Turing verification system;
Figure 7 shows that the specific embodiment process flow diagram of the method for a kind of dynamic Turing verification of the present invention;
Fig. 8 A to Fig. 8 F is the synoptic diagram of the clever pattern of figure in the embodiment of the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer,, the present invention is described in further details below in conjunction with embodiment and accompanying drawing.At this, exemplary embodiment of the present invention and explanation thereof are used to explain the present invention, but not as a limitation of the invention.
In following embodiment, locomotive or motor train unit are referred to as locomotive, but what it may occur to persons skilled in the art that is that method of the present invention, Apparatus and system go for locomotive or motor train unit.
Be illustrated in figure 2 as a kind of dynamic Turing verification method process flow diagram of the embodiment of the invention.
Comprise step 101, generate the pattern that has the check post at random, described check post is positioned at the predetermined relative scope of described pattern.Described checking pattern can be the pattern of annular, also can be for having other figure of gauge point.Above-mentioned pattern makes the user be more prone to when preventing to crack automatically, chooses the check post clearly, so that the finishing fast of Turing verification.
Described pattern is the interference of ripple or other form in addition, for example adds the twice shear wave to disturb, and the ripple of ripple frequently, direction all is at random, can increase the difficulty that automated image analysis etc. cracks like this.
As another preferred example of the present invention, described pattern is carried out the upset of prospect and background, for example whole pattern being divided equally is two parts, the foreground of part pattern is a black, background colour is a white, the foreground of another part pattern is a white, background colour is a black, as what those skilled in the art can associate be, the upset of foreground and background colour can have a lot of middle variations, the embodiment of the invention does not limit it, can further disturb automated image analysis etc. to crack technology like this, increases the security of checking.
In this step, can also comprise encrypting step, described pattern is encrypted, that is to say that the data that pattern is formed encrypt, for example adopt encryption technology such as random number to carry out encryption.Thereby guarantee the safety of pattern in Network Transmission.
If client is encrypted the coordinate data of returning, then the coordinate data that can also return client in this step is decrypted processing.
In above-mentioned steps, if comparative result difference, the then logging request of refusing user's.
Be illustrated in figure 3 as a kind of client of the embodiment of the invention and carry out the method flow diagram of dynamic Turing verification.
Comprise step 201, the pattern that has the check post that the reception server end sends, described check post is positioned at the predetermined relative scope of described pattern.
Step 202 generates the display window of pre-sizing, and described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows.
An above-mentioned part that constantly shows described pattern at random can for, display window is along certain part of the continuous display pattern of track at random.
When in the display of described display window in described client during stationkeeping, the display result that is reached is that pattern constantly moves in display window; Described display window can also move in the display of described client.
If the described pattern that has the check post has been carried out encryption at server end, then when display pattern a part of, the pattern of this part is carried out corresponding decryption processing, preferred, in order to prevent that decipherment algorithm is cracked, can adopt virtual machine technique to be decrypted processing.
Wherein, pattern to part is decrypted processing, can obtain the coordinate of display window in described pattern of generation earlier, the address offset amount of coordinates computed pattern data in internal memory, pattern sequential storage normally in internal memory, side-play amount according to coordinate can find part pattern data shown in the display window easily, and this part pattern data is deciphered accordingly.
When in described display window, showing described pattern a part of, can also carry out at random distortion conversion and change color to the part pattern that described display window shows, to strengthen cracking of image recognition technology, can adopt in the prior art image is twisted technology with change color, not do special qualification in embodiments of the present invention.
Step 203 is obtained the coordinate that described client is imported in described display window, the coordinate of described input is reduced to coordinate on the described pattern, sends this coordinate with respect to pattern to server end.The click that can be by mouse or the mode of touch screen are imported the coordinate of the check post that the user thinks.
Pass through above-mentioned steps, when the mode that adopts artificial generation to answer cracks verification mode in the embodiment of the invention, because the check post constantly changes in display window, move, use artificial generation answer or image recognition etc. to crack check post coordinate that technology returns be coordinate in the display window, it is not the coordinate of really verifying in the pattern, so can't be by the checking of server with the coordinate that this generation is answered or image recognition is returned, thereby improved the security of Turing verification, prevent the artificial threat that cracks technology for answer or image recognition etc., this method can be applied to the processes such as checking in the network, the for example checking in the recreation login, checking in the game process, perhaps login authentication in the Internet bank etc.
Be illustrated in figure 4 as the structural representation of a kind of dynamic Turing verification server of the embodiment of the invention.
Comprise that pattern generation unit 301 is used for generating at random the pattern that has the check post, described check post is positioned at the predetermined relative scope of described pattern.
Transmitting element 303 is used for described pattern is sent to client.
Receiving element 304, be used to receive described client and return coordinate, this coordinate is to be reduced to coordinate with respect to pattern at client is imported the user in described client generates the display window of pre-sizing coordinate, described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows.
This device can also comprise pattern interference units 306, is connected with described pattern generation unit 301, is used for described pattern is disturbed, and for example uses the interference of ripple or other form.
Pattern roll-over unit 307 is connected with described pattern generation unit 301 or pattern interference units 306, is used for the prospect and the background of described pattern are overturn.
Be illustrated in figure 5 as the client terminal structure synoptic diagram of a kind of dynamic Turing verification of the embodiment of the invention.
Comprise that receiving element 401 is used for the pattern that has the check post that the reception server end sends, described check post is positioned at the predetermined relative scope of described pattern.
Display window generation unit 402 is used to generate the display window of pre-sizing, and described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows.
Transmitting element 404 is used for the coordinate on the pattern of above-mentioned reduction is sent to server end.
Comprise also that in the present embodiment decryption unit 405 is connected with described display window generation unit 402, be used for the part pattern that described display window shows is carried out corresponding decryption processing.
Can strengthen the security of Turing verification by said apparatus, prevent the artificial threat that cracks technology for answer or image recognition etc., said apparatus can be applied to the processes such as checking in the network, the for example checking in the recreation login, checking in the game process, perhaps login authentication in the Internet bank etc.
Be illustrated in figure 6 as the structural representation of embodiment of the invention dynamic Turing verification system.
Comprise server end 501, client 502.
Described server end 501 is used for generating at random the pattern that has the check post, and described check post is positioned at the predetermined relative scope of described pattern, writes down the coordinate of described check post and described pattern is sent to client; Receive described client and return coordinate, the described coordinate that receives is compared with the check post coordinate of described record, and if identical the checking pass through.
Described client 502, be used to generate the display window of pre-sizing, described display window constantly shows the part of described pattern at random, comprise described check post in a part of pattern that wherein said display window shows, obtain the coordinate that described client is imported in described display window, the coordinate of described input is reduced to coordinate on the described pattern, sends this coordinate to server end with respect to pattern.
Be illustrated in figure 7 as the specific embodiment process flow diagram of the method for a kind of dynamic Turing verification of the present invention.
Step 602 is disturbed described pattern, adds the twice shear wave in this example and disturbs, and the ripple frequency and the direction of ripple all generate at random, shown in Fig. 8 C.
Step 603 is carried out the upset of prospect and background to the pattern after the described interference, and to carrying out the upset of prospect and background in certain random areas, the ripple place of center section has carried out the upset of prospect and background shown in Fig. 8 D in this example.
Step 604 is encrypted the pattern data after the above-mentioned upset, can adopt the pseudo-random sequence cryptographic algorithm to encrypt in this example.
Step 609 returns to server end with the coordinate of described reduction.
Pass through the embodiment of the invention, the pattern that generates generates automatically at server end fully, do not need artificial participation, can save a large amount of hand labors, the pattern that is generated is generated by a plurality of enchancement factors, irregularities, can't carry out Brute Force by collecting a large amount of patterns fully, decipherment algorithm in client operates in the homemade virtual machine, the extremely difficult complete master pattern of this algorithm acquisition that cracks of plug-in program, display part pattern at random in the display window that client generates, plug-in program can't screenshotss and are answered a question by the mode that artificial generation is answered, because artificial generation is answered and do not know coordinate corresponding relation between display window and whole the pattern.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a dynamic Turing verification method is characterized in that comprising,
Generate the pattern that has the check post at random, described check post is positioned at the predetermined relative scope of described pattern;
Write down the coordinate of described check post;
Described pattern is sent to client;
Receive described client and return coordinate, this coordinate is to be reduced to coordinate with respect to pattern at client is imported the user in described client generates the display window of pre-sizing coordinate, described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows;
Described server end is compared the described coordinate that receives with the check post coordinate of described record, and if identical the checking pass through.
2. method according to claim 1, it is characterized in that, at the described pattern have the check post that generates at random, described check post also comprises after being positioned at the predetermined relative scope of described pattern, and described pattern is disturbed and/or the prospect and the background of described pattern are overturn.
3. method according to claim 1 is characterized in that, also comprises in that described pattern is sent in the client, and described pattern is carried out encryption.
4. a client is carried out the method for dynamic Turing verification, it is characterized in that comprising,
The pattern that has the check post that the reception server end sends, described check post are positioned at the predetermined relative scope of described pattern;
Generate the display window of pre-sizing, described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows;
Obtain the coordinate that described client is imported in described display window, the coordinate of described input is reduced to coordinate on the described pattern, send this coordinate to server end with respect to pattern.
5. method according to claim 4, it is characterized in that, obtaining the coordinate that described client is imported in described display window, the coordinate of described input is reduced to coordinate on the described pattern, sending this coordinate with respect to pattern to server end also comprises before, if the described pattern that receives has carried out encryption, then the parameter according to the display window of described generation is decrypted the part pattern, thereby obtains a part of pattern of showing in the described display window.
6. method according to claim 4, it is characterized in that, obtaining the coordinate that described client is imported in described display window, the coordinate of described input is reduced to coordinate on the described pattern, send this coordinate to server end and also comprise before, a part of pattern that shows in the described display window is twisted conversion and change color with respect to pattern.
7. a dynamic Turing verification server is characterized in that comprising,
The pattern generation unit is used for generating at random the pattern that has the check post, and described check post is positioned at the predetermined relative scope of described pattern;
Storage element is used to write down the coordinate of described check post;
Transmitting element is used for described pattern is sent to client;
Receiving element, be used to receive described client and return coordinate, this coordinate is to be reduced to coordinate with respect to pattern at client is imported the user in described client generates the display window of pre-sizing coordinate, described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows;
Authentication unit is used for the described coordinate that receives is compared with the check post coordinate of described record, and if identical the checking pass through.
8. the client of a dynamic Turing verification is characterized in that comprising,
Receiving element is used for the pattern that has the check post that the reception server end sends, and described check post is positioned at the predetermined relative scope of described pattern;
The display window generation unit is used to generate the display window of pre-sizing, and described display window constantly shows the part of described pattern at random, comprises described check post in a part of pattern that wherein said display window shows;
Map unit is used for obtaining the coordinate that described client is imported at described display window, and the coordinate of described input is reduced to coordinate on the described pattern;
Transmitting element is used for the coordinate on the pattern of above-mentioned reduction is sent to server end.
9. client according to claim 8 is characterized in that also comprising, decryption unit is connected with described display window generation unit, is used for the part pattern that described display window shows is carried out corresponding decryption processing.
10. a dynamic Turing verification system is characterized in that comprising,
Server end is used for generating at random the pattern that has the check post, and described check post is positioned at the predetermined relative scope of described pattern, writes down the coordinate of described check post and described pattern is sent to client; Receive described client and return coordinate, the described coordinate that receives is compared with the check post coordinate of described record, and if identical the checking pass through;
Described client, be used to generate the display window of pre-sizing, described display window constantly shows the part of described pattern at random, comprise described check post in a part of pattern that wherein said display window shows, obtain the coordinate that described client is imported in described display window, the coordinate of described input is reduced to coordinate on the described pattern, sends this coordinate to server end with respect to pattern.
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| CN110968849A (en) * | 2018-09-28 | 2020-04-07 | 奇酷互联网络科技（深圳）有限公司 | Verification method, intelligent terminal and device with storage function |
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| CN102143161A (en) * | 2011-01-21 | 2011-08-03 | 杭州乐港科技有限公司 | Web game cheating program recognition method based on handwritten character pictures |
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| CN116301456A (en) * | 2023-02-21 | 2023-06-23 | 广州市保伦电子有限公司 | Windows client login test management method, device and system |
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