CN108563930A - A kind of method, apparatus, medium and the system of confidential document addition watermark - Google Patents
A kind of method, apparatus, medium and the system of confidential document addition watermark Download PDFInfo
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- CN108563930A CN108563930A CN201810338501.9A CN201810338501A CN108563930A CN 108563930 A CN108563930 A CN 108563930A CN 201810338501 A CN201810338501 A CN 201810338501A CN 108563930 A CN108563930 A CN 108563930A
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- Prior art keywords
- document
- webpage
- watermark
- concerning security
- security matters
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- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000004590 computer program Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 241000270322 Lepidosauria Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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]
- G06F21/16—Program or content traceability, e.g. by watermarking
Abstract
The present invention relates to watermarks to add field, a kind of method, apparatus, medium and the system of confidential document addition watermark.Its method includes the following steps：The content information on the display screen of terminal is obtained, the document and webpage include document and webpage；Judge in the document and webpage whether to include classified information；If the document and webpage include classified information, the concerning security matters region of document and webpage is added a watermark to, the watermark is generated by watermark production server.Method, apparatus, medium and the system of confidential document provided by the invention addition watermark can effectively identify whether document on display screen and webpage are concerning security matters, then targetedly add watermark to concerning security matters region.Not only ensure that concerning security matters information security, realize it is anti-fake trace to the source, protect copyright, but also allow user can the pleasant content that must be read other than concerning security matters region, promote the Experience Degree of user.
Description
Technical field
Field, the especially a kind of method, apparatus of confidential document addition watermark, medium are added the present invention relates to watermark and are
System.
Background technology
With the development and progress of information technology, to protect digital media file property right, digital watermark technology to come into being
And quick development is obtained.Under the prior art, digital watermark technology is a kind of watermark information is directly embedded into carrier of characters to work as
In technology, this technology do not influence the use value of original vector.But the prior art is all by adding in advance to document
Watermark is printed, the mode of user's reading is then available to, wherein it is that concerning security matters have not been printed on watermark yet to be no lack of many information, is led
Apply family viewing experience sense it is poor.In addition, whether can not be directed to the information shown by user display screen curtain is concerning security matters
Information chooses whether to encrypt in turn, and blindness is larger.
Invention content
For the defects in the prior art, a kind of method, apparatus of confidential document addition watermark provided by the invention, medium
And system, can effectively identify display screen on document and webpage whether be concerning security matters, and to concerning security matters region add watermark.
To achieve the goals above, in a first aspect, the method for confidential document provided by the invention addition watermark, including as follows
Step：
The content information on the display screen of terminal is obtained, the document and webpage include document and webpage；
Judge in the document and webpage whether to include classified information；
If the document and webpage include classified information, the concerning security matters region of document and webpage is added a watermark to, it is described
Watermark is generated by watermark production server.
As a kind of preferred embodiment of the present invention, judge in the document and webpage whether to include classified information packet
It includes：
Detect the keyword in document and webpage；
If going out to represent the keyword of classified information, the document and webpage include classified information.
As a kind of preferred embodiment of the present invention, judge in the document and webpage whether to include classified information packet
It includes：
The document and webpage are document, identify the file type of document；
If the document is ciphering type file, the document includes classified information.
As a kind of preferred embodiment of the present invention, judge in the document and webpage whether to include classified information packet
It includes：
The document and webpage are webpage, identify the type of webpage；
If the webpage is ciphering type, the document and webpage include classified information.
As a kind of preferred embodiment of the present invention, the concerning security matters region for adding a watermark to document and webpage includes：
Watermark is added on the concerning security matters region of document and webpage original.
As a kind of preferred embodiment of the present invention, the concerning security matters region for adding a watermark to document and webpage includes：
Add a watermark to the concerning security matters region of the document and webpage on display screen.
As a kind of preferred embodiment of the present invention, the classified information includes image, word and/or number.
Second aspect, the device of confidential document addition watermark provided by the invention, including processor, input equipment, output
Equipment and memory, the processor, input equipment, output equipment and memory are connected with each other, wherein the memory is used for
Computer program is stored, the computer program includes program instruction, and the processor is configured for that described program is called to refer to
It enables, executes the method as described in above-mentioned first aspect.
The third aspect, a kind of computer readable storage medium, the computer-readable recording medium storage have computer journey
Sequence, the computer program include program instruction, and described program instruction makes the processor execute such as when being executed by a processor
Method described in above-mentioned first aspect.
Fourth aspect, a kind of system of confidential document addition watermark, including the device of confidential document addition watermark, watermark life
At server and terminal；Server is generated with watermark respectively for the device of the confidential document addition watermark and terminal communicates to connect,
The device of the confidential document addition watermark executes the method as described in above-mentioned first aspect.
The beneficial effects of the invention are as follows：The method, apparatus of confidential document provided by the invention addition watermark, medium and it is
System, can effectively identify display screen on document and webpage whether be concerning security matters, then targetedly to concerning security matters region add
Watermark.Not only ensure that the information security of concerning security matters, realize it is anti-fake trace to the source, protect copyright, but also user pleasant can must read
Content other than concerning security matters region promotes the Experience Degree of user.
Description of the drawings
Fig. 1 is the flow chart for the method that a kind of confidential document of first embodiment of the invention adds watermark；
Fig. 2 is the block diagram for the device that seven kinds of confidential documents of third embodiment of the invention add watermark；
Fig. 3 is the block diagram for the system that nine kinds of confidential documents of fifth embodiment of the invention add watermark.
Specific implementation mode
Specific embodiments of the present invention are described more fully below, it should be noted that the embodiments described herein is served only for illustrating
Illustrate, is not intended to restrict the invention.In the following description, in order to provide a thorough understanding of the present invention, a large amount of spies are elaborated
Determine details.It will be apparent, however, to one skilled in the art that：This hair need not be carried out using these specific details
It is bright.In other instances, in order to avoid obscuring the present invention, well known circuit, software or method are not specifically described.
Throughout the specification, meaning is referred to " one embodiment ", " embodiment ", " example " or " example "
It：A particular feature, structure, or characteristic described in conjunction with this embodiment or example is comprised at least one embodiment of the present invention.
Therefore, the phrase " in one embodiment ", " in embodiment ", " example " occurred in each place of the whole instruction
Or " example " is not necessarily all referring to the same embodiment or example.Furthermore, it is possible to it is any it is appropriate combination and or sub-portfolio will be specific
Feature, structure or characteristic combine in one or more embodiments or example.In addition, those of ordinary skill in the art should manage
Solution, diagram is provided to the purpose of explanation provided herein, and diagram is not necessarily drawn to scale.
As shown in Figure 1, the method for the confidential document addition watermark shown in first embodiment of the invention, the confidential document add
The method of watermarking includes the following steps：
S101 obtains the content information on the display screen of terminal, and the document and webpage include document and webpage；
In the present embodiment, the terminal includes but not limited to mobile phone, computer and other movements or fixed terminal, the end
As long as end have the function of display screen can provide presentation of information to the user and can be used as be this programme one or some realities
Mode is applied, the display screen optionally uses LCD (liquid crystal display) technology, LPD (light emitting polymer displays) technologies or LED
(light emitting diode) technology or other any technologies that presentation of information may be implemented.In addition, the acquisition of document and webpage can be
It is captured from terminal using web brother tools, reptile instrument and other tools or means realizes the function.
Whether S102 judges in the document and webpage to include classified information；
In the present embodiment, the document and webpage can verify it after obtaining successfully, judge the document
With whether include classified information in webpage.The message hook that the present invention can be arranged by SetWindowsHookEx, when aobvious
Show on terminal screen window frame size and position change when, message hook receives forms change notification；It receives
Each of to after forms change notification, sorted by the display of forms, shown from top to bottom on computing terminal screen window
The size and coordinate range of forms, to obtain the concerning security matters of document and webpage of the forms of shelves and webpage on terminal screen window
Display area.In addition, the document includes world documents, txt documents and ppt documents, the webpage can be in the clear of terminal
The webpage look on device or third party software.Effective examination to showing onscreen information, side can be realized through the above way
The phase more targetedly adds watermark after an action of the bowels.
S103 adds a watermark to the concerning security matters region of document and webpage if the document and webpage include classified information,
The watermark is generated by watermark production server.
In the present embodiment, the classified information can be image, word, number and the character in document and webpage
Deng, as long as concerning security matters or be not suitable for carrying out display on the display screen and the information watched to user is all in concerning security matters region
Add watermark, not only ensure that concerning security matters information security, realize it is anti-fake trace to the source, protect copyright, but also allow user can it is pleasant must
The content other than concerning security matters region is read, the Experience Degree of user is promoted.In addition, the watermark is to produce service by special watermark
Device generates, and the watermark production server includes but not limited to a server or server cluster, the generation of specific watermark
Mode can be realized according to the prior art, since it is not that the inventive point of the present invention is no longer discussed in detail herein, this programme
It only needs to directly invoke the watermark after generation from watermark generation server and be added in content information.
The method of confidential document addition watermark shown in second embodiment of the invention, the of the present embodiment compared to the present invention
Its distinctive points is for one embodiment：
Judge in the document and webpage whether to include classified information, the keyword detected in document and webpage includes：If
Go out to represent the keyword of classified information, then the document and webpage include classified information.If specifically, occurring in document and webpage
The step of representing the keyword of classified information, then assert that document and webpage include classified information, executing addition watermark；If document and
Do not go out to represent the keyword of classified information in webpage, then the document and webpage do not include classified information, directly by the document
It is shown on the display screen of terminal with webpage.
It needs to illustrate, remaining unmentioned step and advantageous effect and the present invention's is aforementioned in the present embodiment
Details are not described herein for substantially similar in embodiment, and what is provided in the present embodiment is completed by the way of detecting keyword to concerning security matters
Its accuracy of the detection of information is high, and targetedly adds watermark to concerning security matters region.Both information security, the reality of concerning security matters ensure that
It is existing it is anti-fake trace to the source, protect copyright, and allow user can the pleasant content that must be read other than concerning security matters region, promote the body of user
Degree of testing.
The method of confidential document addition watermark shown in third embodiment of the invention, before the present embodiment is compared to the present invention
Its distinctive points for embodiment are stated to be：
Judge in the document and webpage whether including classified information include：The document and webpage are document, identification text
The file type of shelves；If the document is ciphering type file, the document includes classified information.If specifically, document and net
Page is ciphering type file, then document and webpage include classified information；If document and webpage are non-ciphering type files, document and net
Page does not include classified information.For example, if the file type of document and webpage is world files, and the world is literary
Part is concerning security matters, then executes the step of adding watermark；If the file type of document and webpage is txt file, since txt file is
Can not be encrypted, then directly the document and webpage are shown on the display screen of terminal.
It needs to illustrate, remaining unmentioned step and advantageous effect and the present invention's is aforementioned in the present embodiment
Details are not described herein for substantially similar in embodiment, and what is provided in the present embodiment is completed by the way of identifying Doctype to relating to
Its accuracy of the detection of confidential information is high, reaction speed is fast, and targetedly adds watermark to concerning security matters region.Both concerning security matters be ensure that
Information security, realize it is anti-fake trace to the source, protect copyright, and it is interior other than concerning security matters region that user pleasant can must read
Hold, promotes the Experience Degree of user.
The method of confidential document addition watermark shown in fourth embodiment of the invention, before the present embodiment is compared to the present invention
Its distinctive points for embodiment are stated to be：
Judge in the document and webpage whether including classified information include：The document and webpage are webpage, identify net
The type of page；If the webpage is ciphering type, the document and webpage include classified information.Specifically, can be by detecting net
The IP address and web page contents of page are determined whether the webpage is ciphering type；It illustrates：Present aspect can be collected all
The IP of encryption webpage form encryption IP library, then the IP of the webpage shown in terminal is retrieved in the libraries IP；If terminal
The IP of the webpage of upper display exists in IP inventories, then the webpage is ciphering type, and the step of addition watermark is then executed in entire webpage
Suddenly；If the IP of the webpage shown in terminal is not deposited in the libraries IP, which is non-ciphering type, and directly the document and webpage exist
It is shown on the display screen of terminal.
It needs to illustrate, remaining unmentioned step and advantageous effect and the present invention's is aforementioned in the present embodiment
Details are not described herein for substantially similar in embodiment, and what is provided in the present embodiment is completed by the way of identifying type of webpage to relating to
Its accuracy of the detection of confidential information is high, reaction speed is fast, and targetedly adds watermark to concerning security matters region.Both concerning security matters be ensure that
Information security, realize it is anti-fake trace to the source, protect copyright, and it is interior other than concerning security matters region that user pleasant can must read
Hold, promotes the Experience Degree of user.
The method of confidential document addition watermark shown in fifth embodiment of the invention, before the present embodiment is compared to the present invention
Its distinctive points for embodiment are stated to be：
The concerning security matters region for adding a watermark to document and webpage includes：Add on the concerning security matters region of document and webpage original
Watermarking.Specifically, after determining the concerning security matters region of document and webpage, watermark can be added in the concerning security matters region of original,
The advantages of watermark includes but not limited to digital watermarking and polar plot, the digital watermarking is：The mode of generation is simple,
It can fast be embedded in the short time in the concerning security matters region of corresponding information, reduce user's waiting time, improve the effect of watermark addition
Rate.Watermark information can also be using polar plot as another embodiment, and polar plot exists compared to its advantage for bitmap
In：Even watermark letter after the user's corresponding information to be read it on the screen of client is amplified many times
Breath will not be distorted, and will not appear as multiple pixels.
It needs to illustrate, remaining unmentioned step and advantageous effect and the present invention's is aforementioned in the present embodiment
Details are not described herein for substantially similar in embodiment, adds watermark in the present embodiment and targetedly to concerning security matters region, both protected
Demonstrate,proved concerning security matters information security, realize it is anti-fake trace to the source, protect copyright, and allow user pleasant can must read concerning security matters region with
Outer content promotes the Experience Degree of user.
The method of confidential document addition watermark shown in sixth embodiment of the invention, before the present embodiment is compared to the present invention
Its distinctive points for embodiment are stated to be：
The concerning security matters region for adding a watermark to document and webpage includes：Add a watermark to the document and net on display screen
The concerning security matters region of page.Specifically, after determining the concerning security matters region of document and webpage, can shield in the concerning security matters region of original
Corresponding position on curtain adds watermark；It is significant to note that not being the original text directly in document and webpage by this way
Watermark is added on part, only forms the relevant information in watermark shade concerning security matters region on the screen, original will not be destroyed by being advantageous in that
Beginning file.
It needs to illustrate, remaining unmentioned step and advantageous effect and the present invention's is aforementioned in the present embodiment
Details are not described herein for substantially similar in embodiment, adds watermark in the present embodiment and targetedly to concerning security matters region, both protected
Demonstrate,proved concerning security matters information security, realize it is anti-fake trace to the source, protect copyright, and allow user pleasant can must read concerning security matters region with
Outer content promotes the Experience Degree of user.
As shown in Fig. 2, the device of the confidential document addition watermark shown in seventh embodiment of the invention, the confidential document add
The device of watermarking includes input equipment 41, processor 42, memory 43 and output equipment 44, and the processor 42, input are set
Standby 41, output equipment 44 and memory 43 are connected with each other by communication bus 40, and the memory 43 is for storing computer journey
Sequence, the computer program include program instruction, and the processor 42 is configured for calling described program instruction；Further
Ground, the method that the processor 42 is configured for calling confidential document addition watermark described in described program instruction execution.
It should be appreciated that in embodiments of the present invention, alleged memory 43 may include that read-only memory and arbitrary access are deposited
Reservoir, and provide instruction and data to processor 42.The a part of of memory 43 can also deposit including non-volatile random
Reservoir.For example, memory 43 can also be stored with the relevant information of device type.
Processor 42 is for running or executing the operating system being stored in internal storage 43, various software programs,
And the instruction set of itself, and for handling the number for coming from touch input unit or being received from other external input approach
According to and instruction, to realize various functions.Processor 42 can include but is not limited to central processing unit (CPU), general image processing
Device (GPU), microprocessor (MCU), digital signal processor (DSP), field programmable gate array (FPGA), application specific
It is one or more in integrated circuit (ASIC).In some embodiments, processor 42 and Memory Controller 104 can be single
It is realized on chip.In some other embodiments, they can be realized on chip independent of each other respectively.
Input equipment 41 can be camera (CAMERA or WEBCAM) etc., and camera is also known as camera computer, computer eye
And electronic eyes etc., it is that a kind of video drives into the touch input unit such as equipment and numeric keypad or mechanical keyboard；It is described defeated
It may include display (display) etc. to go out equipment 44.
In the specific implementation, processor 42 described in the embodiment of the present invention, input equipment 41, output equipment 44 are executable
Realization method described in the embodiment of the method for confidential document addition watermark provided in an embodiment of the present invention, it is no longer superfluous herein
It states.
The device of confidential document addition watermark provided by the invention both ensured just in adding watermark in concerning security matters region
The safety of classified information, realize it is anti-fake trace to the source, protect copyright, and can allow user is pleasant must read other than concerning security matters region
Content, promote the Experience Degree of user, enhance the present invention practicability.
Computer readable storage medium shown in eighth embodiment of the invention, the computer-readable recording medium storage have
Computer program, the computer program include program instruction, and described program instruction makes the processing when being executed by a processor
The method that device executes the confidential document addition watermark.
Specifically, the computer readable storage medium may include caching (Cache), high-speed random access memory
(RAM), such as common double data rate Synchronous Dynamic Random Access Memory (DDR SDRAM), and may also include non-volatile
Property memory (NVRAM), such as one or more read-only memory (ROM), disk storage equipment, flash memory (Flash) memory
Equipment or other non-volatile solid state memory equipment such as CDs (CD-ROM, DVD-ROM), floppy disk or data tape etc..
Computer readable storage medium provided by the invention, program instruction realize when being executed by a processor just in
Add watermark in concerning security matters region, not only ensure that the safety of classified information, realize it is anti-fake trace to the source, protect copyright, but also can allow user
The pleasant content that must be read other than concerning security matters region, promotes the Experience Degree of user, enhances the practicability of the present invention.
As shown in figure 3, the system of the confidential document addition watermark shown in ninth embodiment of the invention, the confidential document add
The system of watermarking includes the device and client of confidential document addition watermark；The device difference of the confidential document addition watermark
Server and client side's communication connection is generated with watermark, the device of the confidential document addition watermark executes confidential document and adds water
The method of print.
The system of confidential document addition watermark provided by the invention both ensured just in adding watermark in concerning security matters region
The safety of classified information, realize it is anti-fake trace to the source, protect copyright, and can allow user is pleasant must read other than concerning security matters region
Content, promote the Experience Degree of user, enhance the present invention practicability.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme should all cover in the claim of the present invention and the range of specification.
Claims (10)
1. a kind of method of confidential document addition watermark, which is characterized in that include the following steps：
The content information on the display screen of terminal is obtained, the document and webpage include document and webpage；
Judge in the document and webpage whether to include classified information；
If the document and webpage include classified information, the concerning security matters region of document and webpage, the watermark are added a watermark to
It is generated by watermark production server.
2. the method for confidential document addition watermark according to claim 1, which is characterized in that judge the document and webpage
In whether including classified information include：
Detect the keyword in document and webpage；
If going out to represent the keyword of classified information, the document and webpage include classified information.
3. the method for confidential document addition watermark according to claim 2, which is characterized in that judge the document and webpage
In whether including classified information include：
The document and webpage are document, identify the file type of document；
If the document is ciphering type file, the document includes classified information.
4. the method for confidential document addition watermark according to claim 2, which is characterized in that judge the document and webpage
In whether including classified information include：
The document and webpage are webpage, identify the type of webpage；
If the webpage is ciphering type, the document and webpage include classified information.
5. the method for confidential document according to claim 1 addition watermark, which is characterized in that add a watermark to document and
The concerning security matters region of webpage includes：
Watermark is added on the concerning security matters region of document and webpage original.
6. the method for the confidential document addition watermark according to claim 1 or 5 any one, which is characterized in that by watermark
The concerning security matters region for being added to document and webpage includes：
Add a watermark to the concerning security matters region of the document and webpage on display screen.
7. the method for confidential document addition watermark according to claim 1, it is characterised in that：The classified information includes figure
Picture, word and/or number.
8. a kind of device of confidential document addition watermark, it is characterised in that：Including processor, input equipment, output equipment and deposit
Reservoir, the processor, input equipment, output equipment and memory are connected with each other, wherein the memory is calculated for storing
Machine program, the computer program include program instruction, and the processor is configured for calling described program instruction, executes such as
Claim 1-7 any one of them methods.
9. a kind of computer readable storage medium, it is characterised in that：The computer-readable recording medium storage has computer journey
Sequence, the computer program include program instruction, and described program instruction makes the processor execute such as when being executed by a processor
Claim 1-7 any one of them methods.
10. a kind of system of confidential document addition watermark, it is characterised in that：Device, the watermark of watermark are added including confidential document
Generate server and terminal；The device of the confidential document addition watermark generates server and terminal communication link with watermark respectively
It connects, the device of the confidential document addition watermark executes such as claim 1-7 any one of them methods.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338501.9A CN108563930B (en) | 2018-04-16 | 2018-04-16 | Method, device, medium and system for adding watermark to confidential file |
| PCT/CN2019/080491 WO2019201076A1 (en) | 2018-04-16 | 2019-03-29 | Method, apparatus, and system for adding watermark to secret file, and medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338501.9A CN108563930B (en) | 2018-04-16 | 2018-04-16 | Method, device, medium and system for adding watermark to confidential file |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108563930A true CN108563930A (en) | 2018-09-21 |
| CN108563930B CN108563930B (en) | 2020-09-25 |
Family
ID=63535206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810338501.9A Active CN108563930B (en) | 2018-04-16 | 2018-04-16 | Method, device, medium and system for adding watermark to confidential file |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108563930B (en) |
| WO (1) | WO2019201076A1 (en) |
Cited By (11)
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| CN109727180A (en) * | 2019-01-03 | 2019-05-07 | 成都宇飞信息工程有限责任公司 | A kind of screen message leakage traceability system and retroactive method |
| WO2019201076A1 (en) * | 2018-04-16 | 2019-10-24 | 深圳市联软科技股份有限公司 | Method, apparatus, and system for adding watermark to secret file, and medium |
| CN111191414A (en) * | 2019-11-11 | 2020-05-22 | 苏州亿歌网络科技有限公司 | Page watermark generation method, identification method, device, equipment and storage medium |
| CN111242824A (en) * | 2019-12-05 | 2020-06-05 | 北京万里红科技股份有限公司 | Watermark embedding method, tracing method, device and storage medium |
| CN112115433A (en) * | 2020-09-28 | 2020-12-22 | 中国建设银行股份有限公司 | Method for tracing source of confidential document, document calling server and security server |
| CN112650994A (en) * | 2020-12-25 | 2021-04-13 | 平安科技（深圳）有限公司 | Screen watermark generation method and device, electronic equipment and storage medium |
| CN113115029A (en) * | 2021-04-08 | 2021-07-13 | 中国工商银行股份有限公司 | Image processing method, apparatus, system and medium for preventing divulgence |
| CN113127905A (en) * | 2021-04-26 | 2021-07-16 | 重庆城市管理职业学院 | Information processing method and network security equipment |
| CN113177193A (en) * | 2021-04-23 | 2021-07-27 | 深圳依时货拉拉科技有限公司 | Watermark adding method, watermark verifying method and terminal equipment |
| CN116756708A (en) * | 2023-05-30 | 2023-09-15 | 佛山众陶联供应链服务有限公司 | Protection method for variable granularity of digital product page copyright |
| CN117454336A (en) * | 2023-12-22 | 2024-01-26 | 厦门天锐科技股份有限公司 | Anti-disclosure method and device for adding watermark to target webpage |
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| CN117454336A (en) * | 2023-12-22 | 2024-01-26 | 厦门天锐科技股份有限公司 | Anti-disclosure method and device for adding watermark to target webpage |
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| WO2019201076A1 (en) | 2019-10-24 |
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