CN105825090B - A kind of method that timestamp watermark is anti-fake for E-seal printed text - Google Patents
A kind of method that timestamp watermark is anti-fake for E-seal printed text Download PDFInfo
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- CN105825090B CN105825090B CN201610156107.4A CN201610156107A CN105825090B CN 105825090 B CN105825090 B CN 105825090B CN 201610156107 A CN201610156107 A CN 201610156107A CN 105825090 B CN105825090 B CN 105825090B
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- 238000012360 testing method Methods 0.000 claims description 42
- 239000000284 extract Substances 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 241001269238 Data Species 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000007689 inspection Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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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]
- G06F21/16—Program or content traceability, e.g. by watermarking
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Abstract
The invention discloses a kind of timestamp watermark methods anti-fake for E-seal printed text, comprising the following steps: step 1 obtains time data of the E-seal in stamped signature；Step 2 obtains seal stamp data；Step 3, by the time data obtained in step 1 by year, month, day, when, minute, second, millisecond be divided into seven groups of numbers, and be randomly dispersed in the printed text of E-seal；Step 4 generates watermark seal image, and seven groups of numbers are not show state after by the printed text of seven groups of digital inset E-seals；The watermark seal image of step 4 is saved in an electronic document, is stored in seal database server by step 5, while the printed text information of the watermark seal image is sent to the E-seal owner by seal database server starting short message or wechat informing function.
Description
Technical field
The invention belongs to the anti-fake technical fields of electronic information technology, are related to the information security application technology of Electronic Signature,
Relate to a kind of method that timestamp watermark is anti-fake for E-seal printed text.
Background technique
The appearance of digital multimedia and electronic document (hereinafter referred to as digital information) improves people and generates, uses and manage
The efficiency of information is managed, because the integrality and authenticity of ordinary numbers information are difficult to be confirmed, this just facilitates digital information label
The appearance and application of chapter technology need to prevent unauthorized parties from digital information is distorted or being forged to digital information stamped signature
Carry out authenticity verification.Anti-counterfeit of seals has had anti-fake using the progress of stamped signature time in the prior art, such as Chinese Patent Application No.
2008100561937 and Chinese Patent Application No. be the technical solutions such as 2013100352538 in anti-counterfeiting information acquire label
The chapter time；But these technical solutions are the simple acquisition applications to the stamped signature time, and the time precision acquired is limited, gives
Still there are larger imitation spaces by falsification of seal person.
Mainly there are chip seal and object electricity one to seal progress fake certification by electronic anti-fogery technology currently on the market
Body seal two major classes, chip seal are to realize anti-fake test by reading the seal data of electronic chip storage in seal in kind
Card；Object one body seal of electricity is then to combine seal in kind with E-seal, is realized by reading service device data information to reality
The fake certification of object seal and E-seal stamped signature.
Summary of the invention
It is an object of the invention to be directed to the deficiencies in the prior art, provide a kind of suitable for the electric body seal of object
The timestamp watermark method anti-fake for E-seal printed text.The method for anti-counterfeit can integrality and authenticity to digital information
Confirmed and protected, has effectively carried out anti-fake testing puppet.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of method that timestamp watermark is anti-fake for E-seal printed text, comprising the following steps:
Step 1 obtains time of the E-seal in stamped signature in seal database server or time stamp server
Data；The time data are accurate to millisecond, are made of year, month, day, hour, min, second, millisecond；
Step 2 obtains seal stamp data, i.e. E-seal image in seal database server；
Step 3, according to the E-seal picture specification of acquisition, by the time data obtained in step 1 by year, month, day,
When, minute, second, millisecond be divided into seven groups of numbers, and be randomly dispersed in the printed text of E-seal；
Step 4 generates watermark seal image, and seven groups of numbers after by the printed text of seven groups of digital inset E-seals
Word is not show state；
The watermark seal image of step 4 is saved in an electronic document, is stored in seal database server by step 5,
While the printed text information of the watermark seal image is sent to electricity by seal database server starting short message or wechat informing function
The sub- seal owner；The printed text information of the watermark seal image includes the time data being made of seven groups of numbers and this seven groups
Number distributed intelligence in E-seal；And then stored by seal database server E-seal stamped signature relevant information, electricity
E-seal stamped signature printed text information and short message or wechat content three in subdocument form E-seal stamped signature anti-counterfeiting information card
According to chain, reach the anti-fake purpose of E-seal printed text.
It further illustrates, time data is randomly dispersed in the printed text of E-seal in step 3 specifically: first
E-seal image is converted into coordinate (x, y), and is divided into seven parts；Then it is generated between x and y by random algorithm
(x1, y1), (x2, y3) ..., (x7, y7) seven coordinate datas, then by seven groups of digital distributions of time data to this seven coordinates
On, and record the unpaired message between them.
It further illustrates, in step 5, the watermark seal image in electronic document can be issued by Seal Management Department
Self-test key disk carry out testing puppet；
The anti-fake step of self-test key disk specifically:
(1) insertion self-test key disk is clicked by mouse right button in an electronic document in E-seal printed text, selection dish occurs
It is single, self-test is selected, user password authentication secret is inputted；
(2) signature key disk sequence number and the self-test key disk sequence number of insertion are in self-test key disk detection electronic document
It is no identical, if not identical, it is unable to display time data watermark；If they are the same, then start to carry out time comparing；
(3) the time data that self-test key disk extracts in electronic document in E-seal printed text are shown, and pop up inspection
Survey window and show comparison result, the time data that the E-seal owner can be received by short message or wechat with compare
Right, if time data are inconsistent, determining the E-seal in the electronic document not is original E-seal；If the time
Data are consistent, then determine that the E-seal in the electronic document is original E-seal, complete E-seal test puppet or into
The further background system of row tests puppet；
(4) self-test key disk extracts the E-seal stamped signature printed text information in electronic document and is sent to seal database clothes
Be engaged in device, the time data of E-seal stamped signature then stored with log in seal database server, time coordinate data and
Verifying is compared in seal stamp data, if information is inconsistent, it is original for being determined as the E-seal in the electronic document not
E-seal；If information is consistent, it is determined as that the E-seal in the electronic document is original E-seal, completes electronics
Seal system tests puppet.
The advantages of invention:
1. fake certification is more rigorous, E-seal stamped signature relevant information that the present invention is stored by seal database server,
E-seal stamped signature printed text information and short message or wechat content three in electronic document form E-seal stamped signature anti-counterfeiting information
Chain of evidence, it is ensured that signature information it is authentic and valid.
2. self-test verifying is convenient effectively, the present invention can by self-test key disk to stamped signature sequence number and stamped signature time data into
Row comparison；It can also be by System self-test, to electronic document stamped signature data and seal database server stamp data, stamped signature
Time data and 7 groups of coordinate datas carry out self-test.
3. the uniqueness of same seal numeric string, the stamped signature time data that the present invention obtains are accurate to millisecond, it is ensured that same
The uniqueness of one stamped signature time figure string.
Detailed description of the invention
Fig. 1 is the flow diagram of one embodiment of the invention.
Specific embodiment
The following further describes the present invention with reference to the drawings.
Embodiment:
As shown in Figure 1, a kind of method that timestamp watermark is anti-fake for E-seal printed text, comprising the following steps:
Step 1 obtains time of the E-seal in stamped signature in seal database server or time stamp server
Data；The time data are accurate to millisecond, are made of year, month, day, hour, min, second, millisecond；
Step 2 obtains seal stamp data, i.e. E-seal image in seal database server；
Step 3, according to the E-seal picture specification of acquisition, by the time data obtained in step 1 by year, month, day,
When, minute, second, millisecond be divided into seven groups of numbers, and be randomly dispersed in the printed text of E-seal；Specifically: first by E-seal
Image is converted to coordinate (x, y), and is divided into seven parts；Then between x and y by random algorithm generate (x1, y1),
(x2, y3) ..., (x7, y7) seven coordinate datas, then by seven groups of digital distributions of time data to this seven coordinates, and remember
Record the unpaired message between them；
Step 4 generates watermark seal image, and seven groups of numbers after by the printed text of seven groups of digital inset E-seals
Word is not show state；
The watermark seal image of step 4 is saved in an electronic document, is stored in seal database server by step 5,
While the printed text information of the watermark seal image is sent to electricity by seal database server starting short message or wechat informing function
The sub- seal owner；The printed text information of the watermark seal image includes the time data being made of seven groups of numbers and this seven groups
Number distributed intelligence in E-seal；And then stored by seal database server E-seal stamped signature relevant information, electricity
E-seal stamped signature printed text information and short message or wechat content three in subdocument form E-seal stamped signature anti-counterfeiting information card
According to chain, reach the anti-fake purpose of E-seal printed text.
In step 5, watermark seal image in electronic document can be by self-test key disk that Seal Management Department issues
It carries out testing puppet；
The anti-fake step of self-test key disk specifically:
(1) insertion self-test key disk is clicked by mouse right button in an electronic document in E-seal printed text, selection dish occurs
It is single, self-test is selected, user password authentication secret is inputted；
(2) signature key disk sequence number and the self-test key disk sequence number of insertion are in self-test key disk detection electronic document
It is no identical, if not identical, it is unable to display time data watermark；If they are the same, then start to carry out time comparing；
(3) the time data that self-test key disk extracts in electronic document in E-seal printed text are shown, and pop up inspection
Survey window and show comparison result, the time data that the E-seal owner can be received by short message or wechat with compare
Right, if time data are inconsistent, determining the E-seal in the electronic document not is original E-seal；If the time
Data are consistent, then determine that the E-seal in the electronic document is original E-seal, complete E-seal test puppet or into
The further background system of row tests puppet；
(4) self-test key disk extracts the E-seal stamped signature printed text information in electronic document and is sent to seal database clothes
Be engaged in device, the time data of E-seal stamped signature then stored with log in seal database server, time coordinate data and
Verifying is compared in seal stamp data, if information is inconsistent, it is original for being determined as the E-seal in the electronic document not
E-seal；If information is consistent, it is determined as that the E-seal in the electronic document is original E-seal, completes electronics
Seal system tests puppet.
Claims (3)
1. a kind of timestamp watermark method anti-fake for E-seal printed text, which comprises the following steps:
Step 1 obtains time number of the E-seal in stamped signature in seal database server or time stamp server
According to；The time data are accurate to millisecond, are made of year, month, day, hour, min, second, millisecond；
Step 2 obtains seal stamp data, i.e. E-seal image in seal database server；
Step 3, according to the E-seal picture specification of acquisition, by the time data obtained in step 1 by year, month, day, when,
Minute, second, millisecond are divided into seven groups of numbers, and are randomly dispersed in the printed text of E-seal；
Step 4 generates watermark seal image, and seven groups of numbers are after by the printed text of seven groups of digital inset E-seals
Do not show state；
The watermark seal image of step 4 is saved in an electronic document, is stored in seal database server, simultaneously by step 5
Seal database server starts short message or wechat informing function and the printed text information of the watermark seal image is sent to electronic seal
The chapter owner；The printed text information of the watermark seal image includes the time data being made of seven groups of numbers and this seven groups numbers
The distributed intelligence in E-seal；And then stored by seal database server E-seal stamped signature relevant information, electronics text
E-seal stamped signature printed text information and short message or wechat content three in shelves form E-seal stamped signature anti-counterfeiting information chain of evidence,
Reach the anti-fake purpose of E-seal printed text.
2. the timestamp watermark according to claim 1 method anti-fake for E-seal printed text, it is characterised in that: in step
Time data are randomly dispersed in the printed text of E-seal in rapid three specifically: E-seal image is converted into coordinate first
(x, y), and it is divided into seven parts；Then between x and y by random algorithm generate (x1, y1), (x2, y3) ..., (x7,
Y7) seven coordinate datas, then by seven groups of digital distributions of time data to this seven coordinates, and record the pairing between them
Information.
3. the timestamp watermark according to claim 2 method anti-fake for E-seal printed text, it is characterised in that: in step
In rapid five, the watermark seal image in electronic document can carry out testing puppet by the self-test key disk that Seal Management Department issues；
The anti-fake step of self-test key disk specifically:
(1) insertion self-test key disk is clicked by mouse right button in an electronic document in E-seal printed text, selection menu, choosing occurs
Self-test is selected, user password authentication secret is inputted；
(2) in self-test key disk detection electronic document signature key disk sequence number and insertion self-test key disk sequence number whether phase
Together, if it is not identical, it is unable to display time data watermark；If they are the same, then start to carry out time comparing；
(3) the time data that self-test key disk extracts in electronic document in E-seal printed text are shown, and pop up detection window
Mouthful display comparison result, the E-seal owner by the short message received or wechat time data and electronic document in electronics
Time data on seal impression are compared, if time data are inconsistent, determine the E-seal in the electronic document
It is not original E-seal；If time data are consistent, determine that the E-seal in the electronic document is original electronics
Seal, completion E-seal test the pseudo- or further background system of progress and test puppet；
(4) self-test key disk extracts the E-seal stamped signature printed text information in electronic document and is sent to seal database service
Device, time data, time coordinate data and the print of the E-seal stamped signature then stored with log in seal database server
Verifying is compared in Zhang Yinmo data, if information is inconsistent, it is original for being determined as the E-seal in the electronic document not
E-seal；If information is consistent, it is determined as that the E-seal in the electronic document is original E-seal, completes electronic seal
Chapter system tests puppet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610156107.4A CN105825090B (en) | 2016-03-18 | 2016-03-18 | A kind of method that timestamp watermark is anti-fake for E-seal printed text |
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| CN201610156107.4A CN105825090B (en) | 2016-03-18 | 2016-03-18 | A kind of method that timestamp watermark is anti-fake for E-seal printed text |
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| CN105825090B true CN105825090B (en) | 2019-04-16 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018161293A1 (en) * | 2017-03-09 | 2018-09-13 | 深圳峰创智诚科技有限公司 | Method and apparatus for generating electronic certificate |
| CN109063503A (en) * | 2018-08-16 | 2018-12-21 | 中威戎安科技有限公司 | A kind of watermark embedding apparatus and method |
| CN111640051B (en) * | 2019-03-01 | 2023-07-25 | 浙江大学 | Image processing method and device |
| CN112508455A (en) * | 2020-12-25 | 2021-03-16 | 陈明斌 | Information seal and using method thereof |
| CN112580111A (en) * | 2020-12-28 | 2021-03-30 | 杭州天谷信息科技有限公司 | Electronic signature method and system with signing time |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6189096B1 (en) * | 1998-05-06 | 2001-02-13 | Kyberpass Corporation | User authentification using a virtual private key |
| CN101266595A (en) * | 2008-05-09 | 2008-09-17 | 北京泰得思达科技发展有限公司 | Electronic bid applied system |
| CN101800646B (en) * | 2010-03-03 | 2012-07-25 | 南京优泰科技发展有限公司 | Implementation method and system of electronic signature |
| CN103514410A (en) * | 2013-09-30 | 2014-01-15 | 上海市数字证书认证中心有限公司 | Dependable preservation and evidence collection system and method for electronic contract |
| 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 |
-
2016
- 2016-03-18 CN CN201610156107.4A patent/CN105825090B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6189096B1 (en) * | 1998-05-06 | 2001-02-13 | Kyberpass Corporation | User authentification using a virtual private key |
| CN101266595A (en) * | 2008-05-09 | 2008-09-17 | 北京泰得思达科技发展有限公司 | Electronic bid applied system |
| CN101800646B (en) * | 2010-03-03 | 2012-07-25 | 南京优泰科技发展有限公司 | Implementation method and system of electronic signature |
| CN103514410A (en) * | 2013-09-30 | 2014-01-15 | 上海市数字证书认证中心有限公司 | Dependable preservation and evidence collection system and method for electronic contract |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 基于数字水印的电子印章系统;张晨成等;《电脑知识与技术》;20111031;第7卷(第28期);第1，2.3节 |
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