CN107984910A - A kind of method and apparatus of electronic-seal - Google Patents
A kind of method and apparatus of electronic-seal Download PDFInfo
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- CN107984910A CN107984910A CN201711269451.5A CN201711269451A CN107984910A CN 107984910 A CN107984910 A CN 107984910A CN 201711269451 A CN201711269451 A CN 201711269451A CN 107984910 A CN107984910 A CN 107984910A
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- picture
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
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- Editing Of Facsimile Originals (AREA)
Abstract
The invention discloses a kind of method and apparatus of electronic-seal, this method includes：Acquisition target original and target seal picture, target original is needs file with an official seal affixed, and target seal picture includes former seal picture and digital sealing picture, and digital sealing picture is the seal picture for carrying digital certificate；Determine the related embedding parameter of target seal picture；According to the related embedding parameter of target seal picture, target seal picture is embedded in target original, to generate file destination, file destination is the file of embedded target seal picture.It can be seen that, by way of embedded target seal picture generates file destination in target original, instead of the mode manually affixed one's seal, the file destination finally printed is embedded with target seal picture, this mode not only reduces the error rate such as seal malposition or Cancellation Missed seal in file, takes short, efficient；And low-carbon environment-friendly, economize on resources.
Description
Technical field
The present invention relates to technical field of affixing one's seal, more particularly to a kind of method and apparatus of electronic-seal.
Background technology
At present in the business processing of some enterprises, there are some paper documents printed to need with an official seal affixed, with true
Protect its validity, legitimacy etc., for example, the daily flowing water of bank after preserving into day-to-day account file and printing, it is necessary to
Stamp an offical seal on every page.In the prior art, use for required paper document with an official seal affixed and be manually capped on every page
The mode of seal.
Inventor has found that when paper document position with an official seal affixed require or paper document include hundreds of
Page, thousands of pages when, by the way of manually affixing one's seal, it is not only possible to seal malposition or Cancellation Missed seal et al. occur
Work is slipped up, and error rate is higher；And manually time-consuming, efficiency is low for mode.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of method and apparatus of electronic-seal, to reduce in file
The error rate such as seal malposition or Cancellation Missed seal, and it is time-consuming short, efficient.
In a first aspect, an embodiment of the present invention provides a kind of method of electronic-seal, this method includes：
Target original and target seal picture are obtained, the target original is described to need file with an official seal affixed
Target seal picture includes former seal picture and digital sealing picture, and the digital sealing picture is the seal for carrying digital certificate
Picture；
Determine the related embedding parameter of the target seal picture；
According to related embedding parameter and digital sealing the picture relevant parameter of the target seal picture, the target is printed
Chapter picture is embedded in the target original；
File destination is generated, the file destination is the file of the embedded target seal picture.
Preferably, the related embedding parameter of the target seal picture includes the insertion characteristic ginseng of the former seal picture
The embedded location parameter of several, described former seal picture, the insertion characterisitic parameter of the digital sealing picture and the digital sealing
The embedded location parameter of picture, the embedded characterisitic parameter include the seal dimension data for being embedded in the target original；Institute
State number of pages data and page location data that embedded location parameter includes being embedded in the target original.
Preferably, the related embedding parameter of the target seal picture is user's setting either system default.
Preferably, the digital sealing picture is obtained, including：
Obtain former seal picture proof data related to enterprise；
According to enterprise's correlation proof data, application obtains the digital certificate；
According to the former seal picture and the digital certificate, the digital sealing picture is generated.
Preferably, enterprise's correlation proof data includes enterprise name, enterprise's passport NO. and enterprise's mailbox.
Preferably, the form of the target original is pdf forms.
Preferably, further include：
The file destination is sent to client, to show the file destination.
Second aspect, an embodiment of the present invention provides a kind of device of electronic-seal, it is characterised in that including：
First acquisition unit, for obtaining target original and target seal picture, the target original adds for needs
Impress the file of chapter, the target seal picture includes former seal picture and digital sealing picture, the digital sealing picture and is
Carry the seal picture of digital certificate；
Determination unit, for determining the related embedding parameter of the target seal picture；
Embedded unit, it is for the related embedding parameter according to the target seal picture, the target seal picture is embedding
Enter the target original；
First generation unit, for generating file destination, the file destination is the text of the embedded target seal picture
Part.
Preferably, the first acquisition unit includes second acquisition unit, application unit and the second generation unit；
The second acquisition unit, for obtaining former seal picture proof data related to enterprise；
The application unit, for obtaining the digital certificate according to enterprise's correlation proof data, application；
Second generation unit, for according to the former seal picture and the digital certificate, generating the numeral print
Chapter picture.
Preferably, further include：
Transmitting element, for sending the file destination to client, to show the file destination.
Compared with prior art, the present invention has at least the following advantages：
Using the technical solution of the embodiment of the present invention, first, target original and target seal picture, the target are obtained
For original to need file with an official seal affixed, the target seal picture includes former seal picture and digital sealing picture, described
Digital sealing picture is the seal picture for carrying digital certificate；Then, it is determined that the related embedding parameter of the target seal picture；
Finally, according to the related embedding parameter of the target seal picture, the target seal picture is embedded in the target original,
To generate file destination, the file destination is the file of the embedded target seal picture.It can be seen from the above that by former in target
The mode of embedded target seal picture generation file destination, instead of the mode manually affixed one's seal, is finally printed in file
File destination be embedded with target seal picture, this mode not only reduces seal malposition or Cancellation Missed seal in file
Etc. error rate, short, efficient, saving manpower is taken；File destination is legal, it is effective, can not distort；And low-carbon environment-friendly, save
Resource, file destination need not all print in many occasions, directly retain electronic document, can so save printing consumption
Material, while reduce the environment for sending circulation of paper document.
Brief description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in application, for those of ordinary skill in the art, without creative efforts,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the system framework schematic diagram involved by a kind of application scenarios in the embodiment of the present invention；
Fig. 2 is a kind of flow diagram of the method for electronic-seal provided in an embodiment of the present invention；
Fig. 3 is the flow diagram of the method for another electronic-seal provided in an embodiment of the present invention；
Fig. 4 is a kind of structure diagram of the device of electronic-seal provided in an embodiment of the present invention.
Embodiment
In order to make those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Attached drawing, is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that described embodiment is only this
Invention part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art exist
All other embodiments obtained under the premise of creative work are not made, belong to the scope of protection of the invention.
At present in the business processing of some enterprises, have some paper documents need it is with an official seal affixed, with ensure its validity,
Legitimacy etc., in the prior art, for required paper document with an official seal affixed using manually on every page it is with an official seal affixed
Mode.For example, at present in the business procession of bank, daily flowing water needs to preserve into day-to-day account file and print
Afterwards, then manually stamp an offical seal on every page to ensure that its is regular effectively legal.
But inventor has found that when paper document position with an official seal affixed requires or paper document bag
Include several louvers, thousands of pages when, by the way of manually affixing one's seal, it is not only possible to occur seal malposition there are deviation or
Human error, the error rates such as person's Cancellation Missed seal are higher；And manually time-consuming, efficiency is low for mode.
In order to solve the problems, such as this, in embodiments of the present invention, first, target original and target seal picture are obtained,
For the target original to need file with an official seal affixed, the target seal picture includes former seal picture and digital sealing figure
Piece, the digital sealing picture are the seal picture for carrying digital certificate；Then, it is determined that the target seal picture is related embedding
Enter parameter；Finally, according to the related embedding parameter of the target seal picture, the target seal picture is embedded in the target
Original, to generate file destination, the file destination is the file of the embedded target seal picture.It can be seen from the above that pass through
The mode of embedded target seal picture generation file destination in target original, instead of the mode manually affixed one's seal, finally
The file destination printed is embedded with target seal picture, this mode not only reduce in file seal malposition or
The error rates such as Cancellation Missed seal, take short, efficient, saving manpower；File destination is legal, it is effective, can not distort；And low-carbon ring
Protect, economize on resources, file destination need not all print in many occasions, directly retain electronic document, can so save
Printing consumables, while reduce the environment for sending circulation of paper document.
For example, one of scene of the embodiment of the present invention, can be applied in scene as shown in Figure 1.The scene
Including server 101 and client 102, the server 101 and client 102 can interact.
User uploads target original and target seal picture, server 101 by client 102 to server 101
Target original and target seal picture are obtained, the target original is to need file with an official seal affixed, the target seal
Picture includes former seal picture and digital sealing picture, and the digital sealing picture is the seal picture for carrying digital certificate；Clothes
Business device 101 determines the related embedding parameter of the target seal picture；Server 101 is according to the correlation of the target seal picture
Embedding parameter, the target original is embedded in by the target seal picture；Server 101 generates file destination and is sent to visitor
Family end 102, so that client 102 shows the file destination to user, the file destination is the embedded target seal figure
The file of piece.
It is understood that in above application scene, although by the action description of embodiment of the present invention by server
101 perform, but these actions can also be performed by client 102, or can also partly be performed by client 102, part
Performed by server 101.The present invention is unrestricted in terms of executive agent, as long as performing disclosed in embodiment of the present invention
Action.
It is understood that above-mentioned scene is only a Sample Scenario provided in an embodiment of the present invention, the embodiment of the present invention
It is not limited to this scene.
Below in conjunction with the accompanying drawings, by embodiment come the method and apparatus of electronic-seal in the present invention will be described in detail embodiment
Specific implementation.
Illustrative methods
Referring to Fig. 2, a kind of flow diagram of the method for electronic-seal in the embodiment of the present invention is shown.In the present embodiment
In, the method for example may comprise steps of：
Step 201：Target original and target seal picture are obtained, the target original is needs text with an official seal affixed
Part, the target seal picture include former seal picture and digital sealing picture, and the digital sealing picture is carrying numeral card
The seal picture of book.
Obtained it should be noted that the target original is server by client, be that user selects in client
Definite needs file with an official seal affixed is selected, in order to ensure the data in target original are not easily modified, under normal circumstances, institute
The form for stating target original is pdf forms, i.e. when the form for needing file with an official seal affixed originally be not pdf forms, it is necessary to
It is converted into the target original of pdf forms.For example, the daily chronological file of bank is usually excel forms, user needs
The chronological file of excel forms is converted to the target original of pdf forms.
It should be noted that former seal picture is to be embedded in former seal picture to former file destination, to print
Manually visual effect with an official seal affixed is consistent in the prior art.Whole target original and former print in order to ensure enterprise
Chapter picture have legitimacy, validity and can not tamper, former seal picture should bind a digital certificate, i.e. needs are deposited
In digital sealing picture.In some embodiments of the present embodiment, obtain the digital sealing picture, for example, can include with
Lower step：
Step A：Obtain former seal picture proof data related to enterprise；
Step B：According to enterprise's correlation proof data, application obtains the digital certificate；
Step C：According to the former seal picture and the digital certificate, the digital sealing picture is generated.
It should be noted that digital certificate can only prove the true legitimacy of enterprise, therefore, application digital certificate needs
Think that enterprise's correlation proof data is submitted by authoritative institution, to prove that enterprise truly has legal identity.In the present embodiment, the enterprise
Industry correlation proof data includes enterprise name, enterprise's passport NO. and enterprise's mailbox.
Step 202：Determine the related embedding parameter of the target seal picture.
It is understood that after step 201 obtains target original and target seal picture, server firstly the need of
First determine the related embedding parameter of the target seal picture, can just know how to be embedded in the target in the target original
Seal picture.The related embedding parameter of the target seal picture can both use user in the page sets itself of client
Mode；It can also be when user does not carry out sets itself operation, be printed using the target set in systems in advance
The related embedding parameter of chapter picture.Therefore, in the present embodiment, the related embedding parameter of the target seal picture is that user sets
Fixed either system default.
It should be noted that the related embedding parameter of the target seal picture is exactly the standard of embedding operation, i.e. embedding
It will be appreciated that what ruler where be embedded in which of target original page before entering the target seal picture
Very little former seal picture and digital sealing picture.Therefore, in the present embodiment, the related embedding parameter of the target seal picture
Insertion characterisitic parameter including the former seal picture, the embedded location parameter of the former seal picture, the digital sealing figure
The embedded location parameter of the insertion characterisitic parameter of piece and the digital sealing picture, the embedded characterisitic parameter include being embedded in institute
State the seal dimension data of target original；The embedded location parameter includes the number of pages data for being embedded in the target original
With page location data.For example, the seal of the target original is embedded in the insertion characterisitic parameter of the original seal picture
Dimension data is 400mm*400mm；The embedded location parameter of the original seal picture is to be embedded in the page of the target original
Number data for second page to last page, page location data are the lower right corner；In the insertion characterisitic parameter of the numeral chapter picture
The seal dimension data for being embedded in the target original is 400mm*400mm；The embedded location ginseng of the digital sealing picture
Number is first page to be embedded in the number of pages data of the target original, and page location data are the lower right corner.
Step 203：According to the related embedding parameter of the target seal picture, by described in target seal picture insertion
Target original.
Step 204：File destination is generated, the file destination is the file of the embedded target seal picture.
It should be noted that whether obtained desired by user to understand the file of the embedded target seal picture
File, can also show the file destination, i.e. the one of the present embodiment after step 204 generates file destination to user
In a little embodiments, further include：The file destination is sent to client, to show the file destination.So user can
To browse the expectation for checking whether target seal picture embedded in the file destination meets user, if so, user can be straight
The print file destination is taken, if it is not, user can return to according to actual conditions performs above-mentioned related step.
The various embodiments provided through this embodiment, first, obtain target original and target seal picture, described
For target original to need file with an official seal affixed, the target seal picture includes former seal picture and digital sealing picture,
The digital sealing picture is the seal picture for carrying digital certificate；Then, it is determined that the correlation of the target seal picture is embedded
Parameter；Finally, according to the related embedding parameter of the target seal picture, it is former that the target seal picture is embedded in the target
File, to generate file destination, the file destination is the file of the embedded target seal picture.It can be seen from the above that by
The mode of embedded target seal picture generation file destination, instead of the mode manually affixed one's seal, finally beats in target original
Print off the file destination come and be embedded with target seal picture, this mode not only reduces seal malposition or leakage in file
Impress the error rates such as chapter, take it is short, efficient, save manpower；File destination is legal, it is effective, can not distort；And low-carbon ring
Protect, economize on resources, file destination need not all print in many occasions, directly retain electronic document, can so save
Printing consumables, while reduce the environment for sending circulation of paper document.
Below in conjunction with the accompanying drawings 3, by another embodiment come the present invention will be described in detail embodiment electronics lid in practical applications
The specific implementation of the method for chapter.
Referring to Fig. 3, the flow diagram of the method for another electronic-seal in the embodiment of the present invention is shown.In this implementation
In example, the method for example may comprise steps of：
Step 301：The target original of pdf forms is obtained, the target original is to need file with an official seal affixed, institute
Stating target seal picture includes former seal picture and digital sealing picture, and the digital sealing picture is the print for carrying digital certificate
Chapter picture.
Step 302：Former seal picture proof data related to enterprise is obtained, enterprise's correlation proof data includes enterprise
Title, enterprise's passport NO. and enterprise's mailbox.
Step 303：According to enterprise's correlation proof data, application obtains the digital certificate.
Step 304：According to the former seal picture and the digital certificate, the digital sealing picture is generated.
Step 305：According to the setting operation of user, the related embedding parameter of the target seal picture is determined.
In the present embodiment, the related embedding parameter of the target seal picture includes the embedded special of the former seal picture
Property parameter, the embedded location parameter of the former seal picture, the insertion characterisitic parameter of the digital sealing picture and the numeral
The embedded location parameter of seal picture, the embedded characterisitic parameter include being embedded in the seal size number of the target original
According to；The embedded location parameter includes the number of pages data and page location data for being embedded in the target original.
Step 306：According to the related embedding parameter of the target seal picture, by described in target seal picture insertion
Target original.
Step 307：File destination is generated, the file destination is the file of the embedded target seal picture.
Step 308：The file destination is sent to client, to show the file destination.
The various embodiments provided through this embodiment, first, obtain target original and target seal picture, described
For target original to need file with an official seal affixed, the target seal picture includes former seal picture and digital sealing picture,
The digital sealing picture is the seal picture for carrying digital certificate；Then, it is determined that the correlation of the target seal picture is embedded
Parameter；Finally, according to the related embedding parameter of the target seal picture, it is former that the target seal picture is embedded in the target
File, to generate file destination, the file destination is the file of the embedded target seal picture.It can be seen from the above that by
The mode of embedded target seal picture generation file destination, instead of the mode manually affixed one's seal, finally beats in target original
Print off the file destination come and be embedded with target seal picture, this mode not only reduces seal malposition or leakage in file
Impress the error rates such as chapter, take it is short, efficient, save manpower；File destination is legal, it is effective, can not distort；And low-carbon ring
Protect, economize on resources, file destination need not all print in many occasions, directly retain electronic document, can so save
Printing consumables, while reduce the environment for sending circulation of paper document.
Example devices
Referring to Fig. 4, a kind of structure diagram of the device of electronic-seal in the embodiment of the present invention is shown.In the present embodiment
In, described device for example can specifically include：
First acquisition unit 401, for obtaining target original and target seal picture, the target original is needs
File with an official seal affixed, the target seal picture include former seal picture and digital sealing picture, the digital sealing picture
To carry the seal picture of digital certificate；
Determination unit 402, for determining the related embedding parameter of the target seal picture；
Embedded unit 403, for the related embedding parameter according to the target seal picture, by the target seal picture
The embedded target original；
First generation unit 404, for generating file destination, the file destination is the embedded target seal picture
File.
Optionally, the related embedding parameter of the target seal picture includes the insertion characteristic ginseng of the former seal picture
The embedded location parameter of several, described former seal picture, the insertion characterisitic parameter of the digital sealing picture and the digital sealing
The embedded location parameter of picture, the embedded characterisitic parameter include the seal dimension data for being embedded in the target original；Institute
State number of pages data and page location data that embedded location parameter includes being embedded in the target original.
Optionally, the related embedding parameter of the target seal picture is user's setting either system default.
Optionally, the first acquisition unit 401 includes second acquisition unit, application unit and the second generation unit；
The second acquisition unit, for obtaining former seal picture proof data related to enterprise；
The application unit, for obtaining the digital certificate according to enterprise's correlation proof data, application；
Second generation unit, for according to the former seal picture and the digital certificate, generating the numeral print
Chapter picture.
Optionally, enterprise's correlation proof data includes enterprise name, enterprise's passport NO. and enterprise's mailbox.
Optionally, the form of the target original is pdf forms.
Optionally, described device further includes：
Transmitting element, for sending the file destination to client, to show the file destination.
The various embodiments provided through this embodiment, first, obtain target original and target seal picture, described
For target original to need file with an official seal affixed, the target seal picture includes former seal picture and digital sealing picture,
The digital sealing picture is the seal picture for carrying digital certificate；Then, it is determined that the correlation of the target seal picture is embedded
Parameter；Finally, according to the related embedding parameter of the target seal picture, it is former that the target seal picture is embedded in the target
File, to generate file destination, the file destination is the file of the embedded target seal picture.It can be seen from the above that by
The mode of embedded target seal picture generation file destination, instead of the mode manually affixed one's seal, finally beats in target original
Print off the file destination come and be embedded with target seal picture, this mode not only reduces seal malposition or leakage in file
Impress the error rates such as chapter, take it is short, efficient, save manpower；File destination is legal, it is effective, can not distort；And low-carbon ring
Protect, economize on resources, file destination need not all print in many occasions, directly retain electronic document, can so save
Printing consumables, while reduce the environment for sending circulation of paper document.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Term " comprising ", "comprising" or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
And other elements that are not explicitly listed are further included, or further include as this process, method, article or equipment institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including institute
State in process, method, article or the equipment of key element that also there are other identical element.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention.Though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and technical content of the disclosure above to the present invention
Technical solution makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, it is every without departing from
The content of technical solution of the present invention, the technical spirit according to the present invention is to any simple modification made for any of the above embodiments, equivalent
Change and modification, still fall within technical solution of the present invention protection in the range of.
Claims (10)
- A kind of 1. method of electronic-seal, it is characterised in that including：Target original and target seal picture are obtained, the target original is to need file with an official seal affixed, the target Seal picture includes former seal picture and digital sealing picture, and the digital sealing picture is the seal figure for carrying digital certificate Piece；Determine the related embedding parameter of the target seal picture；According to related embedding parameter and digital sealing the picture relevant parameter of the target seal picture, by the target seal figure Piece is embedded in the target original；File destination is generated, the file destination is the file of the embedded target seal picture.
- 2. according to the method described in claim 1, it is characterized in that, the related embedding parameter of the target seal picture includes institute State the insertion characterisitic parameter of former seal picture, the embedded location parameter of the former seal picture, the digital sealing picture it is embedding Enter the embedded location parameter of characterisitic parameter and the digital sealing picture, the embedded characterisitic parameter includes being embedded in the target The seal dimension data of original；The embedded location parameter includes the number of pages data and the page for being embedded in the target original Position data.
- 3. according to the method described in claim 1, it is characterized in that, the related embedding parameter of the target seal picture is user The either system default of setting.
- 4. according to the method described in claim 1, it is characterized in that, obtain the digital sealing picture, including：Obtain former seal picture proof data related to enterprise；According to enterprise's correlation proof data, application obtains the digital certificate；According to the former seal picture and the digital certificate, the digital sealing picture is generated.
- 5. according to the method described in claim 4, it is characterized in that, enterprise's correlation proof data includes enterprise name, enterprise Industry passport NO. and enterprise's mailbox.
- 6. according to the method described in claim 1, it is characterized in that, the form of the target original is pdf forms.
- 7. according to the method described in claim 1, it is characterized in that, further include：The file destination is sent to client, to show the file destination.
- A kind of 8. device of electronic-seal, it is characterised in that including：First acquisition unit, for obtaining target original and target seal picture, the target original prints to need to be capped The file of chapter, the target seal picture include former seal picture and digital sealing picture, and the digital sealing picture is carrying The seal picture of digital certificate；Determination unit, for determining the related embedding parameter of the target seal picture；Embedded unit, for the related embedding parameter according to the target seal picture, institute is embedded in by the target seal picture State target original；First generation unit, for generating file destination, the file destination is the file of the embedded target seal picture.
- 9. device according to claim 8, it is characterised in that the first acquisition unit includes second acquisition unit, Shen Please unit and the second generation unit；The second acquisition unit, for obtaining former seal picture proof data related to enterprise；The application unit, for obtaining the digital certificate according to enterprise's correlation proof data, application；Second generation unit, for according to the former seal picture and the digital certificate, generating the digital sealing figure Piece.
- 10. device according to claim 8, it is characterised in that further include：Transmitting element, for sending the file destination to client, to show the file destination.
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| CN201711269451.5A CN107984910A (en) | 2017-12-05 | 2017-12-05 | A kind of method and apparatus of electronic-seal |
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| CN201711269451.5A CN107984910A (en) | 2017-12-05 | 2017-12-05 | A kind of method and apparatus of electronic-seal |
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| CN107984910A true CN107984910A (en) | 2018-05-04 |
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| CN103577729A (en) * | 2013-10-31 | 2014-02-12 | 北京锐安科技有限公司 | Method for stamping electronic seal on PDF (portable document format) file |
| CN103729341A (en) * | 2013-12-31 | 2014-04-16 | 广东数字证书认证中心有限公司 | Method and device for positioning electronic seal and device for obtaining electronic seal |
| CN103770483A (en) * | 2013-12-31 | 2014-05-07 | 美声克（成都）科技有限公司 | Method and device for making stamp |
| CN104537318A (en) * | 2014-12-30 | 2015-04-22 | 北京中科江南软件有限公司 | Dynamic electronic seal generating system |
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