CN104298688A - Copy protection webpage display method and system - Google Patents
Copy protection webpage display method and system Download PDFInfo
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- CN104298688A CN104298688A CN201310303639.2A CN201310303639A CN104298688A CN 104298688 A CN104298688 A CN 104298688A CN 201310303639 A CN201310303639 A CN 201310303639A CN 104298688 A CN104298688 A CN 104298688A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000005194 fractionation Methods 0.000 claims description 62
- 230000008569 process Effects 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 11
- 238000004364 calculation method Methods 0.000 description 5
- 239000004615 ingredient Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000002688 persistence Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
-
- 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
- G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
- G06F21/106—Enforcing content protection by specific content processing
Abstract
The invention provides a copy protection webpage display method and system. The method comprises the steps that text content of a webpage needing to be issued is obtained, Chinese characters and punctuation marks in the text content are split to obtain multiple split characters corresponding to the Chinese characters; the multiple split characters are distributed to different content sets and subjected to color matching, and therefore the multiple split characters form black Chinese characters when being overlapped in different content sets; a webpage display layer is established for each content set, and the display frequency of each display layer is determined according to the number of display layers; the display layers are shown according to the frequencies. The method can effectively protect the text content of the webpage, prevents direct character copy on a computer, and prevents automatic screenshot and printing of the computer.
Description
Technical field
The present invention relates to web technologies field, in particular to a kind of Webpage display process and system of anti-copy.
Background technology
In order to protect the sensitive information on webpage, not wishing that viewer directly copies this data text content, grab screen protection and depositing or directly print.Common disposal route passes through JS(Javascript) script is by browser limited subscriber associative operation.
But this disposal route can be cracked now, the viewer of malice therefore cannot be stoped directly to copy this data text content, grab screen protection and deposit or directly print.
For this reason, in prior art, also provide a kind of exclusive client browsing mode adopting band digital signature, but this mode to install implementation cost high, exist and use number of users restriction, cannot to inconveniences such as enterprise external client issues.Therefore, need a kind of simple, quick, full automatic company information webpage delivery system, webpage word content can be realized and only can be identified by the human eye, prevent on computers direct copying word, prevent computing machine from automatically grabbing screen, printing.
Summary of the invention
The embodiment of the present invention provides a kind of Webpage display process and system of anti-copy, effectively can realize the protection to webpage word content, prevent on computers direct copying word, prevent computing machine automatically grab screen, print.
For this reason, the embodiment of the present invention provides following technical scheme:
A web page contents display packing for anti-copy, comprising:
Obtain the word content needing the webpage issued;
Chinese character in described word content is split, obtains multiple fractionation words of corresponding described Chinese character;
Described multiple fractionation word is assigned in different content groups, and color matching process is carried out to described multiple fractionation word, make it form the Chinese character of black when different content groups superposes;
Be respectively each content to form and build a web displaying layer;
The display frequency of each display layer is determined according to described display layer quantity;
Described display layer is represented according to described display frequency.
Preferably, describedly to split the Chinese character in described word content, the multiple fractionation words obtaining corresponding described Chinese character comprise:
According to encode Chinese characters for computer, stroke and/or radicals by which characters are arranged in traditional Chinese dictionaries fractionation are carried out to the Chinese character in described word content, obtain multiple fractionation words of corresponding described Chinese character.
Preferably, described fractionation word comprises: complete Chinese character and incomplete Chinese character.
Preferably, described method also comprises:
Word in described display layer uses the EOT character library of the described fractionation word of preset correspondence as display character library; Or
Word in described display layer uses the picture of the described fractionation word of preset correspondence to show.
Preferably, the display frequency of different display layer is identical or different.
Preferably, the number of the content group that Chinese character is corresponding is more than or equal to the fractionation word number that this Chinese character separating goes out.
Preferably, described method also comprises:
If the number of the content group that Chinese character is corresponding is greater than the fractionation word number that this Chinese character separating goes out, then in the content group had more to the blank character position of Chinese character separating word arranging colored interference symbol.
A webpage content display system for anti-copy, comprising:
Acquisition module, for obtaining the word content needing the webpage issued;
Splitting module, for splitting the Chinese character in described word content, obtaining multiple fractionation words of corresponding described Chinese character;
Distribution module, for being assigned in different content groups by described multiple fractionation word, and carrying out color matching process to described multiple fractionation word, making it form the Chinese character of black when different content groups superposes;
Display layer creation module, forms build a web displaying layer for being respectively each content;
Computing module, for determining the display frequency of each display layer according to described display layer quantity;
Represent module, for representing described display layer according to described display frequency.
Preferably, described fractionation module, specifically for carrying out stroke and/or radicals by which characters are arranged in traditional Chinese dictionaries fractionation according to encode Chinese characters for computer to the Chinese character in described word content, obtains multiple fractionation words of corresponding described Chinese character.
Preferably, the word in described display layer uses the EOT character library of the described fractionation word of preset correspondence as display character library; Or
Word in described display layer uses the picture of the described fractionation word of preset correspondence to show.
Preferably, described system also comprises:
Interfere information adds module, during for being greater than fractionation word number that this Chinese character separating goes out in the number of content group corresponding to Chinese character, to the blank character position of Chinese character separating word arranging colored interference symbol in the content group had more.
The Webpage display process of the anti-copy that the embodiment of the present invention provides and system, based on HTML technology, EOT word-base technology, realize service logic, utilize Chinese character analytical technology, the word content information of enterprise information publishing webpage is split into automatically multiple cannot by the ingredient of computing machine automatic splicing, and utilize human eye vision persistence characteristic to carry out content alternately broadcast, thus realize webpage word content and only can be identified by the human eye, prevent on computers direct copying word, prevent computing machine from automatically grabbing screen, printing.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram of the Webpage display process of embodiment of the present invention anti-copy;
Fig. 2 is a kind of structural representation of the webpage display system of embodiment of the present invention anti-copy;
Fig. 3 is the another kind of structural representation of the webpage display system of embodiment of the present invention anti-copy.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
Low in order to make up the security of Traditional Newspapers enterprise information publishing, word content is easily illegally duplicated, grab the deficiency that screen prints, the embodiment of the present invention provides a kind of based on HTML(Hypertext Markup Language, HTML (Hypertext Markup Language)) technology, EOT(Embedded Open Type, embed open type font format), realize service logic, utilize based on Chinese character analytical technology, the word content information of enterprise information publishing webpage is split into automatically multiple cannot by the Chinese radical ingredient of computing machine automatic splicing, be kept at respectively in different vessels, prevent from user from screen, directly carrying out copy to paste, or browse the acquisition that web page source code carries out word content.
As shown in Figure 1, be a kind of process flow diagram of the Webpage display process of embodiment of the present invention anti-copy, comprise the following steps:
Step 101, obtains the word content needing the webpage issued.
Step 102, splits the Chinese character in described word content, obtains multiple fractionation words of corresponding described Chinese character.
Particularly, stroke and/or radicals by which characters are arranged in traditional Chinese dictionaries can be carried out according to encode Chinese characters for computer to the Chinese character in described word content and split, obtain should multiple fractionation words of Chinese character.Because the fractionation assembly of not all Chinese character is all legal Chinese character, therefore these fractionation words comprise complete Chinese character and/or incomplete Chinese character.Such as, " " word can be split as " in vain " and " spoon " word, is converted to the coding of related text respectively.For another example, " greatly " word can be split as three random parts, is stored in the bits of coded of three Chinese characters respectively, is automatically converted to the coding of three Chinese characters when split system runs into this word.
If a kind of font will be shown on webpage, then this font file itself must be present in client terminal, due to this restriction, add that Web user may be scattered in various operating system, therefore usually only have those just can be used to webpage in all ubiquitous font of various environment in the prior art.The english font of current various operating system default installation has the multiple font such as arial, verdana, tahoma, and Chinese font only has the Song typeface, black matrix.Therefore also just define Chinese user to go to browse webpage with the Song typeface or black matrix.
For this reason, in embodiments of the present invention, in order to when web displaying, can presenting of imperfect Chinese character be carried out, an EOT character library can be pre-created, and this EOT character library is downloaded to corresponding client, normally show to enable this client and split word accordingly.
EOT is a kind of technology of Microsoft's exploitation, allow OpenType font be embedded into webpage and can browser renders be downloaded to, browser according to CSS(Cascading Style Sheets, cascading style list) in the definition of font-face, download, play up the font file of this .EOT suffix.These files only, under the state of current page activity, are arranged in the system of user temporarily.
In embodiments of the present invention, the foundation of EOT character library can carry out stroke, radicals by which characters are arranged in traditional Chinese dictionaries fractionation according to encode Chinese characters for computer to conventional about 3000 Chinese characters, punctuation mark, is indexed in EOT character library by the incomplete Chinese character therefrom obtained.
Step 103, is assigned to described multiple fractionation word in different content groups, and carries out color matching process to described multiple fractionation word, makes it form the Chinese character of black when different content groups superposes.
It should be noted that, the number of the content group that Chinese character is corresponding is more than or equal to the fractionation word number that this Chinese character separating goes out.Such as, " greatly " word is split as three parts, and this three part is assigned randomly to 6 groups, wherein have 3 to organize not point not mix, with secondary characters position, full-shape space.The quantity of content group can be set to 20 ~ 50.
Color matching process is carried out to the multiple fractionation words split.Such as, " " word can be split as " in vain " and " spoon " word, random " in vain " word that distribution one is red in first content group, " in vain " word that distribution one is green in the second content group, can form black " in vain " word when first content group superposes with the second content group so in the future.For another example, " greatly " word can be split as three random parts by two kinds of modes simultaneously, and a kind of three parts of fractionation are red, and a kind of three parts of fractionation are green, six are partly superimposed together " greatly " word that could form complete black in the future.
It should be noted that, multiple fractionation words that each Chinese character separating goes out, the number of the content group of distribution can be identical, also can be different, as long as ensure in discernible 1/24 second of human eye, content out shown by these content groups are superimposed can be combined into complete Chinese character.
Step 104, is respectively each content and forms and build a web displaying layer.
Particularly, the DIV element of HTML grammer can be used to be respectively each content and form and build a web displaying layer, the word in display layer uses above-mentioned EOT character library to be used as showing character library.
And, when showing these webpages, just can show according to color set when dividing into groups before.
Step 105, determines the display frequency of each display layer according to described display layer quantity.
Described display frequency characterizes the display of each display layer and the speed disappeared.It should be noted that, in actual applications, fixing display frequency can be adopted.
Further, in order to prevent illegally the catching web page contents caused by measuring this display frequency, revocable display frequency can also be adopted, as long as guarantee that each layer had enough displaying times in 1/24 second, retain image can be formed in human eye.Such as: 0 ~ 50 millisecond, show; 51 ~ 120 milliseconds, do not show; 121 ~ 165 milliseconds, display ...When specific implementation, a database can be set up according to actual measurement experiment, guarantee in the unfixed situation of frequency, can meet again and substantially not affect the process that displaying contents forms reservation image in human eye.
Step 106, represents described display layer according to described display frequency.
In actual applications, according to the relevant information of above-mentioned display layer, html web page code can be generated, by the integration with web page distribution system, forms the displaying of the final page.
It should be noted that, in order to prevent carrying out illegal copies by snapshots of web pages mode to web page contents further, in another embodiment of the inventive method, colored interference symbol can also be increased in the blank character position in displaying contents, as ● ★ ◆ ■ ▲.
Such as, Chinese character separating is 3 and splits words, and employs 4 display layers when showing, and this Chinese character this character bit of a display layer wherein can be equipped with a blank character position like this, can increase interference symbol in this position.
In actual applications, the color of symbol is disturbed can be set to Huang, light pink, light blue etc. to be not easy to form the light colour retaining image to human eye.
Displaying due to word content relies on the difference split by same Chinese character to split word, can be formed retain image when showing in human eye, thus the Chinese character that formation one is complete, Chinese character corresponding before namely splitting.Added interference symbol then can not be formed and retain image in human eye, therefore can not produce visual impact.And adopt non-human eye mode such as video recorder, then effectively cannot eliminate the image disturbing and meet.Therefore, when the snapshots of web pages that external software continuous capturing is abundant also carries out overlap-add procedure automatically, the black patch of dark color is synthesized in meeting automatically superposition, finally causes the synthesis Chinese character of this character position covered firmly.
Visible, the web page contents display packing of the anti-copy that the embodiment of the present invention provides, Chinese character in the webpage word content needing to issue is split, the content split can utilize preset EOT character library to browse on client browser, simultaneously, the content split alternately to be glimmered displaying with the form of multiple webpage DIV layer, thus ensure each layer in 1/24 second at least by one-shot, only can be identified by the human eye in order to realizing webpage word content by human eye eye storage characteristic, but cannot be grabbed simply screen operation or grab screen software intercept.
Further, using and grabbing screen software intercepts repeatedly screen continuously, realizing content obtaining by simple overlap to prevent user, system can carry out color addition and black patch interference to partial resolution content.Thus can effectively prevent company information issue time viewed user on computers direct copying word, prevent computing machine automatically grab screen, printing.
In addition, in order to make not support that the client browser of above-mentioned EOT character library also can browse above-mentioned web page contents, in another embodiment of the inventive method, also can convert each fractionation word to picture file (such as GIF picture) further, and be stored as the color of configuration.Correspondingly, when forming networking page display layer for each content, need the coding namely output character being split word to change the path of picture file corresponding to output character into, and confirm the picture file transferred according to the color of its correspondence.
Correspondingly, in order to prevent carrying out illegal copies by snapshots of web pages mode to web page contents further, output blank character can also be replaced with preset interference picture at random.
It should be noted that, in actual applications, above-mentioned two kinds of web displaying modes can be provided to client simultaneously, and between above-mentioned steps 103 and step 104, judge whether client browser supports described EOT character library.If supported, then create presentation layer by EOT mode at step 104, the word namely in display layer uses preset EOT character library as display character library; If do not supported, then press pictorial manner at step 104 and create display layer, the word namely in display layer uses preset picture to show.
Correspondingly, the embodiment of the present invention additionally provides a kind of webpage content display system of anti-copy, as shown in Figure 2, is a kind of structural representation of this system.
In this embodiment, described system comprises:
Acquisition module 201, for obtaining the word content needing the webpage issued;
Splitting module 202, for splitting the Chinese character in described word content, obtaining multiple fractionation words of corresponding described Chinese character;
Distribution module 203, for being assigned in different content groups by described multiple fractionation word, and carrying out color matching process to described multiple fractionation word, making it form the Chinese character of black when different content groups superposes;
Display layer creation module 204, forms build a web displaying layer for being respectively each content;
Computing module 205, for determining the display frequency of each display layer according to described display layer quantity;
Represent module 206, for representing described display layer according to described display frequency.
Above-mentioned fractionation module 202 specifically can carry out stroke and/or radicals by which characters are arranged in traditional Chinese dictionaries fractionation according to encode Chinese characters for computer to the Chinese character in described word content, obtains multiple fractionation words of corresponding described Chinese character.
It should be noted that, in embodiments of the present invention, the word in described display layer can use the EOT character library of the described fractionation word of preset correspondence as display character library; Or use the picture of the described fractionation word of preset correspondence to show.Specifically whether can support ETO character library to determine according to client browser.
In addition, above-mentioned display frequency characterizes the display of each display layer and the speed disappeared.It should be noted that, in actual applications, fixing display frequency can be adopted, also can adopt revocable display frequency.
Visible, the webpage content display system of the anti-copy that the embodiment of the present invention provides, Chinese character in the webpage word content needing to issue is split, the content split can utilize preset EOT character library to browse on client browser, simultaneously, the content split alternately to be glimmered displaying with the form of multiple webpage DIV layer, thus ensure each layer in 1/24 second at least by one-shot, only can be identified by the human eye in order to realizing webpage word content by human eye eye storage characteristic, but cannot be grabbed simply screen operation or grab screen software intercept.
Further, using and grabbing screen software intercepts repeatedly screen continuously, realizing content obtaining by simple overlap to prevent user, system can carry out color addition and black patch interference to partial resolution content.Thus can effectively prevent company information issue time viewed user on computers direct copying word, prevent computing machine automatically grab screen, printing.
As shown in Figure 3, be another structural representation of webpage content display system of embodiment of the present invention anti-copy.
With shown in Fig. 2 unlike, in this embodiment, described system comprises further:
Interfere information adds module 301, during for being greater than fractionation word number that this Chinese character separating goes out in the number of content group corresponding to Chinese character, to the blank character position of Chinese character separating word arranging colored interference symbol in the content group had more.
As can be seen from the above description, the webpage display system of the anti-copy that the embodiment of the present invention provides, based on HTML technology, EOT word-base technology, realize service logic, utilize Chinese character analytical technology, the word content information of enterprise information publishing webpage is split into automatically multiple cannot by the ingredient of computing machine automatic splicing, and utilize human eye vision persistence characteristic to carry out content alternately broadcast, thus realize webpage word content and only can be identified by the human eye, prevent on computers direct copying word, prevent computing machine from automatically grabbing screen, printing.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for system embodiment, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, such as, represent module 206 and be arranged on client, and other module installation is at server end.Alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a web page contents display packing for anti-copy, is characterized in that, comprising:
Obtain the word content needing the webpage issued;
Chinese character in described word content is split, obtains multiple fractionation words of corresponding described Chinese character;
Described multiple fractionation word is assigned in different content groups, and color matching process is carried out to described multiple fractionation word, make it form the Chinese character of black when different content groups superposes;
Be respectively each content to form and build a web displaying layer;
The display frequency of each display layer is determined according to described display layer quantity;
Described display layer is represented according to described display frequency.
2. method according to claim 1, is characterized in that, describedly splits the Chinese character in described word content, and the multiple fractionation words obtaining corresponding described Chinese character comprise:
According to encode Chinese characters for computer, stroke and/or radicals by which characters are arranged in traditional Chinese dictionaries fractionation are carried out to the Chinese character in described word content, obtain multiple fractionation words of corresponding described Chinese character.
3. method according to claim 1, is characterized in that, described fractionation word comprises: complete Chinese character and incomplete Chinese character.
4. method according to claim 1, is characterized in that, described method also comprises:
Word in described display layer uses the EOT character library of the described fractionation word of preset correspondence as display character library; Or
Word in described display layer uses the picture of the described fractionation word of preset correspondence to show.
5. method according to claim 1, is characterized in that, the display frequency of different display layer is identical or different.
6. the method according to any one of claim 1 to 5, is characterized in that, the number of the content group that Chinese character is corresponding is more than or equal to the fractionation word number that this Chinese character separating goes out.
7. method according to claim 6, is characterized in that, described method also comprises:
If the number of the content group that Chinese character is corresponding is greater than the fractionation word number that this Chinese character separating goes out, then in the content group had more to the blank character position of Chinese character separating word arranging colored interference symbol.
8. a webpage content display system for anti-copy, is characterized in that, comprising:
Acquisition module, for obtaining the word content needing the webpage issued;
Splitting module, for splitting the Chinese character in described word content, obtaining multiple fractionation words of corresponding described Chinese character;
Distribution module, for being assigned in different content groups by described multiple fractionation word, and carrying out color matching process to described multiple fractionation word, making it form the Chinese character of black when different content groups superposes;
Display layer creation module, forms build a web displaying layer for being respectively each content;
Computing module, for determining the display frequency of each display layer according to described display layer quantity;
Represent module, for representing described display layer according to described display frequency.
9. system according to claim 8, is characterized in that:
Described fractionation module, specifically for carrying out stroke and/or radicals by which characters are arranged in traditional Chinese dictionaries fractionation according to encode Chinese characters for computer to the Chinese character in described word content, obtains multiple fractionation words of corresponding described Chinese character.
10. system according to claim 8, is characterized in that:
Word in described display layer uses the EOT character library of the described fractionation word of preset correspondence as display character library; Or
Word in described display layer uses the picture of the described fractionation word of preset correspondence to show.
System described in 11. any one of according to Claim 8 to 10, it is characterized in that, described system also comprises:
Interfere information adds module, during for being greater than fractionation word number that this Chinese character separating goes out in the number of content group corresponding to Chinese character, to the blank character position of Chinese character separating word arranging colored interference symbol in the content group had more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310303639.2A CN104298688B (en) | 2013-07-18 | 2013-07-18 | The Webpage display process and system of anti-copy |
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| CN201310303639.2A CN104298688B (en) | 2013-07-18 | 2013-07-18 | The Webpage display process and system of anti-copy |
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| CN104298688A true CN104298688A (en) | 2015-01-21 |
| CN104298688B CN104298688B (en) | 2017-12-22 |
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| CN201310303639.2A Expired - Fee Related CN104298688B (en) | 2013-07-18 | 2013-07-18 | The Webpage display process and system of anti-copy |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107609053A (en) * | 2017-08-23 | 2018-01-19 | 北京奇虎科技有限公司 | A kind of web page display method and apparatus |
| CN107220291B (en) * | 2017-04-25 | 2020-12-25 | 深圳中兴网信科技有限公司 | Webpage data anti-capture method and system |
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| US6922693B1 (en) * | 1998-06-14 | 2005-07-26 | Finjan Software, Ltd. | Method and system for copy protection of images displayed on a computer monitor |
| CN102542188A (en) * | 2010-12-31 | 2012-07-04 | 北京安码科技有限公司 | Method and device for preventing screen contents of webpage from being copied |
| CN102567660A (en) * | 2010-12-31 | 2012-07-11 | 北京安码科技有限公司 | Method and device for preventing webpage character content from copy |
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| US5949885A (en) * | 1996-03-12 | 1999-09-07 | Leighton; F. Thomson | Method for protecting content using watermarking |
| US6922693B1 (en) * | 1998-06-14 | 2005-07-26 | Finjan Software, Ltd. | Method and system for copy protection of images displayed on a computer monitor |
| CN1300971A (en) * | 2000-11-20 | 2001-06-27 | 王辉 | Page contents protection method for Internet |
| CN102542188A (en) * | 2010-12-31 | 2012-07-04 | 北京安码科技有限公司 | Method and device for preventing screen contents of webpage from being copied |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107220291B (en) * | 2017-04-25 | 2020-12-25 | 深圳中兴网信科技有限公司 | Webpage data anti-capture method and system |
| CN107609053A (en) * | 2017-08-23 | 2018-01-19 | 北京奇虎科技有限公司 | A kind of web page display method and apparatus |
Also Published As
| Publication number | Publication date |
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| CN104298688B (en) | 2017-12-22 |
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