CN2809733Y - Electronic certificate based on wavelet analysis encryption technology - Google Patents
Electronic certificate based on wavelet analysis encryption technology Download PDFInfo
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- CN2809733Y CN2809733Y CN 200520114770 CN200520114770U CN2809733Y CN 2809733 Y CN2809733 Y CN 2809733Y CN 200520114770 CN200520114770 CN 200520114770 CN 200520114770 U CN200520114770 U CN 200520114770U CN 2809733 Y CN2809733 Y CN 2809733Y
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Abstract
The utility model relates to an electronic certificate for analyzing encrpytion technology on the basis of small waves, which comprises a card and an electronic chip which is contained in the card, wherein the electronic chip is inlaid in a thickness layer of the card. A computer identification port, an information storage area and a photo storage area are arranged on the electronic chip, wherein the photo storage area comprises photos on which digital watermarking is added. The information storage area comprises a holder's information and certificate information. The information storage area and the photo storage area are connected with the computer identification port. The electronic certificate of the utility model has hidden anti-counterfeiting information, so the electronic certificate of the utility model is difficult to decipher, with high anti-counterfeiting performance. The counterfeiting of the electronic certificate of the utility model can almost not occur. The manufacture and the detection of the electronic certificate are connected with a computer. The application and the development of software leads the utility model to have the advantages of simple manufacture technology, quick and accurate detection identification and convenient operation. The utility model can be used for an electronic passport, various identity certificates, educational background certificates, working certificates, etc., and can also be used for the anti-counterfeiting operation of medicine, cigarettes, wine, tea, etc. and products, the authenticity of which is required to be identified and protected.
Description
Technical field
The utility model relates to a kind of Antiforge electronic certificate, is specifically related to a kind of electronic certificate based on the wavelet analysis encryption technology.
Background technology
For a long time, all soaring, the example of forging various certificates takes place repeatedly, has seriously damaged national interests for the production technique of certificate and the technical ability of forged certificate.For example, the passport certificate, existing false proof measure, means and mark all are " as seen ", are easy to be forged by imitated; Often adopt a kind of new false proof measure, on cost still is technology, all will pay higher cost; And the checkout equipment costliness of existing certificate, detection speed is slow.How improving the anti-counterfeit capability of certificate making, how to discern the true and false of certificate quickly and accurately, is certificate making, detection and key in application.
Wavelet analysis is the new applied mathematics branch that grows up the middle and later periods eighties 20th century, it is described as " school microscop ", having a wide range of applications in a lot of fields such as signal Processing, image analysis is worth and prospect, and its speciality mainly contains 2 points: the one, have local singularity analysis characteristic; The 2nd, have (multiple dimensioned) analytic functions of differentiating more, promptly can become signal decomposition a plurality of frequencies (yardstick) composition to be analyzed.Although a lot of at home and abroad applications of wavelet method and digital watermark technology have all been brought into play vital role, carry out certificate making and detect beyond example still with them.
The utility model content
Easily forged in order to overcome existing anti-fake certificate by imitated, complex process, cost are higher, the deficiency during check fee, the purpose of this utility model is: a kind of electronic certificate based on the wavelet analysis encryption technology is provided, this electronic certificate anti-counterfeiting information is hidden, be difficult to decode, have the height anti-counterfeiting performance, can forge hardly.This electronic certificate is made with detecting and all linked to each other with computing machine, by using the software of having developed, makes manufacture craft simple, detects identification fast, accurately, and is very easy to use.
The technical scheme that its technical matters that solves the utility model adopts is as follows:
A kind of electronic certificate based on the wavelet analysis encryption technology, it comprises card and contains within it electronic chip that described electronic chip is embedded in the thick layer of card, is provided with computer Recognition mouth, information storage district and photo storage area on this electronic chip; Described photo storage area includes the photo that has added digital watermarking, and described information storage district includes holder information and certificate information, and this information storage district and photo storage area all link to each other with the computer Recognition mouth.
Include digital watermarking in the described photo that adds digital watermarking with wavelet analysis method decomposes and synthetic back adds.
This photo that has added digital watermarking is to have by original photo (other images such as the photo of holder or certificate base map) to be added into the synthetic again photo of digital watermarking in some figure layers that wavelet analysis resolves into and one deck in these figure layers or several layers.
The utility model adopts a kind of card (contact or contactless) that contains electronic chip, connects read/write card device by computing machine, and the information of holder and the photo of adding anti-counterfeiting information are implanted wherein, is made into this electronic certificate.Described anti-counterfeiting information is a string very long digital watermarking, and it adds in the photo is hidden, and does not influence the vision of photo, still, when detecting, but is outstanding effect, and this is because ensure with this advanced method and technology of wavelet analysis.The detection of electronic certificate is to read the certificate information that comprises photo by the read/write card device that computing machine connects, information such as holder, certificate and photo are presented on the computer screen, can estimate, click " detection " menu, can automatically the watermark extracting that adds in the certificate be come out, discern true and falsely, reach the purpose that detects certificate.
The beneficial effects of the utility model are:
(1) because the utility model adopts advanced wavelet analysis method and digital watermark technology, carry out the making and the detection of electronic certificate, the anti-counterfeiting performance of certificate is greatly improved, has high anti-counterfeit capability, the certificate false proof information hiding of producing, be difficult to decode, the possibility that can forge this certificate is almost nil.
(2) certificate check and identification are accurately, fast.Owing to be digitized processing fully, and adopt the computer software of making and detecting, can guarantee the accuracy and the speed of certificate identification.
(3) has economy.Because the utility model production technology can realize sequencing, also not high as various cards, the chip cost of certificate, it is general to be of wide application, and economic benefit is considerable.
Description of drawings
Fig. 1 is the FB(flow block) of the utility model based on the making and the detection of the electronic certificate of wavelet analysis encryption technology
Fig. 2 is the structural representation of the utility model electronic certificate internal electron chip
Fig. 3 is the utility model electronic certificate testing result synoptic diagram
Fig. 4 is a forged certificate testing result synoptic diagram
Among the figure, 1. 9. photo storage areas, electronic certificate 2. read/write card device 3. computing machines, 4. anti counterfeit appts 5. display systems, 6. chip body 7. computer Recognition mouths, 8. information storage districts
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
The utility model comprises card and the electronic chip that is contained in it based on the electronic certificate of wavelet analysis encryption technology, and electronic chip is embedded in the thick layer of card. the outside surface at card records certificate title, issuing unit etc.Figure 2 shows that an embodiment of electronic chip, on this electronic chip main body 6, be provided with computer Recognition 7, information storage district 8 and photo storage area 9.There is the photo that has added digital watermarking photo storage area 9, and this digital watermarking photo includes to be added into wavelet analysis in some figure layers of being resolved into by original photo and one deck in these figure layers or the several layers and decomposes and synthetic digital watermarking.Information storage district 8 stores holder information and certificate information, and this information storage district 8 and photo storage area 9 all link to each other with computer Recognition mouth 7.Can make information memory cell and photo storage unit all is the interior storage sector region of chip, and computing machine can directly be visited by the identification mouth.
The making and the testing process of the utility model electronic certificate are as follows:
See also the making and the testing process of the utility model electronic certificate shown in Figure 1, wherein arrow is left a manufacturing process, and arrow right is a testing process.At first application software system carries out when making: (1) carries out the multilayer decomposition with original photo with wavelet technique, obtains some figure layers; (2) digital watermarking of hiding in the anti counterfeit appts 4 is taken out, with its add certain one deck or certain which floor; (3) merge each figure layer with wavelet technique, obtained adding the photo of digital watermarking, be called the accreditation photo.And then by computing machine 3 connection read/write card devices 2, the information of holder and the accreditation photo of adding anti-counterfeiting information are implanted in the electronic chip, deposit the position of writing computing machine 3 and anti counterfeit appts 4, at last electronic chip is embedded card, make electronic certificate 1.
During detection, the read/write card device 2 that connects by computing machine 3 reads in information in the electronic certificate 1 and photo and the anti counterfeit appts 4 digital watermarking under covering to computing machine 3 internal memories, applying detection software shows information and photo again, extract the digital watermarking in the photo then, testing result is presented on the display system 5.Can estimate, click " detection " menu, automatically the watermark extracting that adds in the certificate be come out, discern true and falsely, reach the purpose that detects certificate.
Use the utility model and made simulation test, Figure 3 shows that the testing result of the utility model electronic certificate.This result can illustrate the validity of this electronic certificate.If do not add watermark when making, perhaps added is not added that watermark when making, and the certificate of fake producer's making just then the such result of Fig. 4 can occur when detecting, and this explanation can successfully be discerned the false from the genuine, thereby realizes false proof.
The utility model electronic certificate can be used as E-Passport, all kinds of identity document, all kinds of academic certificate, all kinds of work certificates etc., also can be used as product false proof that its authenticity need be confirmed and protect to food such as medicine, cigarette, wine, tea and all.
Claims (2)
1, a kind of electronic certificate based on the wavelet analysis encryption technology, it is characterized in that: it comprises card and contains within it electronic chip, described electronic chip is embedded in the thick layer of card, is provided with computer Recognition mouth, information storage district and photo storage area on this electronic chip; There is the photo that has added digital watermarking described photo storage area, and described information storage district includes holder information and certificate information, and this information storage district and photo storage area all link to each other with the computer Recognition mouth.
2, the electronic certificate based on the wavelet analysis encryption technology according to claim 1 is characterized in that: include the digital watermarking with wavelet analysis method decomposes and synthetic back adds in the described photo that adds digital watermarking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520114770 CN2809733Y (en) | 2005-07-25 | 2005-07-25 | Electronic certificate based on wavelet analysis encryption technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520114770 CN2809733Y (en) | 2005-07-25 | 2005-07-25 | Electronic certificate based on wavelet analysis encryption technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2809733Y true CN2809733Y (en) | 2006-08-23 |
Family
ID=36925916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520114770 Expired - Fee Related CN2809733Y (en) | 2005-07-25 | 2005-07-25 | Electronic certificate based on wavelet analysis encryption technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2809733Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755290B (en) * | 2007-06-01 | 2012-11-28 | 卡巴-诺塔赛斯有限公司 | Authentication of security documents, in particular of banknotes |
-
2005
- 2005-07-25 CN CN 200520114770 patent/CN2809733Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101755290B (en) * | 2007-06-01 | 2012-11-28 | 卡巴-诺塔赛斯有限公司 | Authentication of security documents, in particular of banknotes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060823 Termination date: 20100725 |