CN102655498A - Method for outputting dynamic password through videos - Google Patents
Method for outputting dynamic password through videos Download PDFInfo
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- CN102655498A CN102655498A CN2011100523621A CN201110052362A CN102655498A CN 102655498 A CN102655498 A CN 102655498A CN 2011100523621 A CN2011100523621 A CN 2011100523621A CN 201110052362 A CN201110052362 A CN 201110052362A CN 102655498 A CN102655498 A CN 102655498A
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Abstract
The invention relates to a method for outputting dynamic password through videos. The method comprises the steps that: a dynamic password device generates a video containing dynamic password information according to dynamic password, and sends the video to a host for playing; and a user observes the playing video and extracts information contained in each frame of image in the brain and finally obtains dynamic password. Through the method, the dynamic password device with low cost can be manufactured, the dynamic password output by the dynamic password device can be prevented from being automatically recognized by a computer, and further the use of a user can be safer.
Description
Technical field
The present invention relates to a kind of method, belong to information security field through video output dynamic password.
Technical background
Along with computer and Internet development, need to use the occasion of password more and more in the life.Traditional password is a kind of static password, and usually some months even several years are constant, and the hacker is easy to crack conventional password through internal memory scanning or network monitoring.Along with people's is to the improve of information security demand, and the drawback of conventional password is more and more outstanding.
In order to solve the drawback of conventional password, the dynamic password technology has obtained swift and violent development; Dynamic password is called one-time password or OTP (One Time Password) again, and it has solved the deficiency of conventional password, and easy-to-use and security intensity is higher than conventional password.
Can realize the dynamic password technology through dynamic password token; Dynamic password token is a kind of hardware device of special use; Its built-in power, dynamic password generate chip, display screen; Dynamic password generates chip according to current time or equipment access times, generate dynamic password through tailor-made algorithm, and is presented on the display screen.Dynamic token is taken care of by the user voluntarily, and dynamic password has unpredictability, has well solved the Telnet problem in the network system.
Yet because the dynamic password token built-in power, display screen is also wanted built-in real-time clock when producing dynamic password according to the time, therefore increased extra cost to the user, has hindered promoting the use of of dynamic password token.And work as cell degradation, perhaps real-time clock time information deviation exceed predetermined value, all can cause dynamic password token to lose efficacy.
Summary of the invention
The present invention proposes a kind of method through video output dynamic password, solved the problem that exists in the above-mentioned prior art, the method includes the steps of,
(1) dynamic password apparatus produces the video data of being made up of multiple image according to the character that the dynamic password character string comprises;
(2) dynamic password apparatus is issued main frame, this image of main frame software kit demonstration to each two field picture of video data successively, and promptly main frame is play the video data that produces according to dynamic password;
(3) user observe broadcast video, obtain dynamic password;
(4) user uses the dynamic password of acquisition to do application-specific.
According to an aspect of the present invention, its characteristic is that also the number of image frames in the step (1) is not less than 2, and its form comprises common video image format and user-defined format.
According to an aspect of the present invention, its characteristic also is, can not obtain the alphabet of dynamic password character string in the information that any two field picture from step (1) is comprised.
According to an aspect of the present invention, its characteristic also is, when being image to the character conversion of dynamic password in the step (1), adopted the method for increase Computer Automatic Recognition difficulty.
According to an aspect of the present invention; Its characteristic also is; The method of said increase Computer Automatic Recognition difficulty comprises; With distortion, rotation, translation, intersection, fuzzy, any one or multiple combination of adding the noise method, to operating, make it be difficult to identification according to the picture of dynamic password character conversion.
According to an aspect of the present invention, its characteristic is that also in the step (2), dynamic password apparatus is a USB video input apparatus type to its device type of main frame statement, and issues main frame to each two field picture through USB video input apparatus agreement.
According to an aspect of the present invention, its characteristic is that also said USB video input apparatus type comprises common USB camera device type.
According to an aspect of the present invention, its characteristic is that also in the step (2), dynamic password apparatus is not a USB video input apparatus type to its USB device type of main frame statement, and issues main frame to each two field picture through custom protocol.
According to an aspect of the present invention, its characteristic is that also dynamic password apparatus comprises the manual input unit type to the USB device type of main frame statement, mass storage class type, any one of intelligent card read/write device device type or multiple combination.
According to an aspect of the present invention, its characteristic also is, in the step (3), through observing the video of playing, in brain, extracts the information that every two field picture comprises, and finally obtains dynamic password.
Description of drawings
Fig. 1 is the schematic flow sheet through the method for video output dynamic password.
Fig. 2 is the schematic flow sheet that produces the method for video according to dynamic password.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer, with reference to the accompanying drawings the present invention is described in further detail.
Among the embodiment that the present invention proposes, the dynamic password character string comprises 6 characters, from left to right is respectively character C1 to character C6, and the value of said character is any of digital 0-9; Stored the picture database of digital 0-9 in the nonvolatile memory of dynamic password apparatus in advance; Also stored from R1 to R15, totally 16 background pictures; Video comprises 6 two field picture F1-F6, and each two field picture from left to right is divided into 6 districts, is followed successively by regional Z1 to regional Z6.
Among the embodiment that the present invention proposes, produce the picture Px+ that comprises this character information, and leave picture Px+ among the two field picture Fx regional Zx according to the character Cx of dynamic password character string, the x span is 1 to 6; The regional Zy of among the two field picture Fx other fills (y is not equal to x) with white pixel.
The concrete steps of passing through the method for video output dynamic password of the present invention, as shown in Figure 1:
Step 101, dynamic password apparatus convert the dynamic password character string that comprises 6 characters into and comprise the F1-F6 video of totally 6 two field pictures;
What step 102, dynamic password apparatus moved in circles sends to main frame to two field picture F1-F6 successively, and the image of the display frame successively F1-F6 that main frame moves in circles realizes video playback;
In step 101, the user can be respectively sees the picture Px+ that obtains according to character Cx from the regional Zx of two field picture Fx; The x span is 1 to 6;
In step 102, the dynamic password apparatus of present embodiment is the USB camera types to the USB device type of main frame statement, and the two field picture form has adopted the data format of common USB camera.
In order to improve fail safe, when generation comprises the picture of its character information according to the character in the dynamic password, also to carry out additional treatments to picture; Said additional treatments is used to improve the difficulty of the information that this picture of Computer Automatic Recognition comprises.
In the present embodiment, the flow process that produces video according to dynamic password can be with reference to figure 2, and concrete steps are following:
In step 202, the method for present embodiment initialization frame image is that all pixels of two field picture are set to white.
In step 203, present embodiment according to the method that character produces picture is: according to the value of character, adopt look-up method, from the picture database that is stored in nonvolatile memory in advance, obtain the corresponding picture of this character.
In step 204, present embodiment to the method that picture carries out additional treatments is: use distortion, rotation, translation, intersection, fuzzy, any one method of adding the noise method or several different methods combination, picture is operated, make it be difficult to identification.
In step 207; The method that background picture is set for all two field pictures is: from the background picture data storehouse that is stored in nonvolatile memory in advance, select a background picture at random; Then any one two field picture is carried out following operation: any pixel in the two field picture is carried out and operation with the pixel of same coordinate position in the background picture; And the result preserved back in the two field picture, be in brief: two field picture=two field picture and background picture.
More than the method for passing through video output dynamic password proposed by the invention has been carried out detailed introduction; More than all explanations just with helping understand the method that the present invention proposes; Those skilled in the art can realize all technical schemes that the present invention proposes and comprises according to thought of the present invention; This description is not limited to the present invention.
Claims (10)
1. one kind is passed through the method that video is exported dynamic password, and it is characterized in that: this method comprises step,
(1) dynamic password apparatus produces the video data of being made up of multiple image according to the character that the dynamic password character string comprises;
(2) dynamic password apparatus is issued main frame, this image of main frame software kit demonstration to each two field picture of video data successively, and promptly main frame is play the video data that produces according to dynamic password;
(3) user observe broadcast video, obtain dynamic password;
(4) user uses the dynamic password of acquisition to do application-specific.
2. method according to claim 1 is characterized in that, the number of image frames in the step (1) is not less than 2, and its form comprises common video image format and user-defined format.
3. method according to claim 1 is characterized in that, can not obtain the alphabet of dynamic password character string in the information that any two field picture from step (1) is comprised.
4. method according to claim 1 is characterized in that, when being image to the character conversion of dynamic password in the step (1), has adopted the method for increase Computer Automatic Recognition difficulty.
5. method according to claim 4; It is characterized in that; The method of said increase Computer Automatic Recognition difficulty comprises; With distortion, rotation, translation, intersection, fuzzy, any one or multiple combination of adding the noise method, the picture that obtains according to the dynamic password character is operated, make it be difficult to identification.
6. method according to claim 1 is characterized in that, in the step (2), dynamic password apparatus is a USB video input apparatus type to its device type of main frame statement, and issues main frame to each two field picture through USB video input apparatus agreement.
7. method according to claim 6 is characterized in that, said USB video input apparatus type comprises common USB camera device type.
8. method according to claim 1 is characterized in that, in the step (2), dynamic password apparatus is not a USB video input apparatus type to its USB device type of main frame statement, and issues main frame to each two field picture through custom protocol.
9. method according to claim 8 is characterized in that, dynamic password apparatus comprises any one perhaps multiple combination of manual input unit type, mass storage class type, intelligent card read/write device device type to the USB device type of main frame statement.
10. method according to claim 1 is characterized in that, in the step (3), through observing the video of playing, in brain, extracts the information that every two field picture comprises, and finally obtains dynamic password.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100523621A CN102655498A (en) | 2011-03-04 | 2011-03-04 | Method for outputting dynamic password through videos |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100523621A CN102655498A (en) | 2011-03-04 | 2011-03-04 | Method for outputting dynamic password through videos |
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| CN102655498A true CN102655498A (en) | 2012-09-05 |
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| CN2011100523621A Pending CN102655498A (en) | 2011-03-04 | 2011-03-04 | Method for outputting dynamic password through videos |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104519416A (en) * | 2014-11-28 | 2015-04-15 | 四川长虹电器股份有限公司 | Digital television vertical fingerprint implementing method and system |
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2011
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104519416A (en) * | 2014-11-28 | 2015-04-15 | 四川长虹电器股份有限公司 | Digital television vertical fingerprint implementing method and system |
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Application publication date: 20120905 |