CN101847186A - Anti-counterfeit and counterfeit distinguishing method of trace - Google Patents
Anti-counterfeit and counterfeit distinguishing method of trace Download PDFInfo
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- CN101847186A CN101847186A CN201010108209A CN201010108209A CN101847186A CN 101847186 A CN101847186 A CN 101847186A CN 201010108209 A CN201010108209 A CN 201010108209A CN 201010108209 A CN201010108209 A CN 201010108209A CN 101847186 A CN101847186 A CN 101847186A
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Abstract
The invention discloses an anti-counterfeit and counterfeit distinguishing method of trace (Figure 1), comprising a trace label editing system 1, an off-line counterfeit distinguishing system 2 and a trace label 3, wherein the trace label 3 is edited and prepared by a two-dimension technology. Same encryption method and private key storage protocol are used in the trace label editing system 1 and the off-line counterfeit distinguishing system 2, wherein the trace label editing system 1 performs a forward process (figure 2) to generate and prepare the trace label 3, and the off-line counterfeit distinguishing system 2 extracts the two-dimension information through a two-dimension reading device and executes a reverse process (figure 3) to decipher, restore and display the information in the trace label 3. The trace label editing system 1 encrypt the trace label 3 to implant the information corresponding to the trace. Any visible trace can be counterfeited, and the counterfeit trace even can be unboundedly similar to the original trace, but can not be the same. The off-line counterfeit distinguishing system 2 of the invention can realize the nondestructive restoring of the trace stored in the trace label 3, thereby achieving the counterfeit distinguishing function after the comparation with the target trace.
Description
Technical field
The present invention relates to a kind of anti-counterfeit and counterfeit distinguishing method of vestige, is a kind of 2D bar code technology to be applied to make at the target vestige solution of antifalsification label, be to human society material evidence field about a kind of innovation of anti-counterfeit and counterfeit distinguishing with contribute.The invention discloses the method that adopts many pieces of two-dimension codes to make vestige label 3, can obtain the memory capacity of the bar code character of no maximum restriction on the one hand, on the other hand can be by design hereinafter described " privately owned stipulations " relevant with encryption and decryption, make the encryption of information in the bar code implant the abundant privatization of process and the personalization of reducing, increase fake producer's the difficulty that cracks to greatest extent with deciphering.
Background technology
In real world, vestige is ubiquitous, and the important vestige of some of them is to follow human social development such as the accompanying material evidence material of shadow, and the vestige that we will typically be usually used in the material evidence purposes roughly is divided into following several:
1, handwritten signature: have proof is obtained the signer approval by the signature material material evidence attribute
2, the seal marking: have the material evidence attribute that proof tegmentum printed material material obtains seal owner approval
3, fingerprint mark: have proof and obtained receiving the material evidence attribute of seal person approval by the printed material material
4, certificate photograph: have proof and be attached the material material evidence attribute relevant with the photo owner
5, literal code: the material content of being distorted easily
More than listed five big class vestiges can not the exhaustive enumeration vestige kind, but the most important parts vestige that human society material evidence field relates to.
Various government documents, certificate documents, contract document, ticket bill etc. prove its public credit attribute with certain vestige invariably in the human society, but lack effective false proof measure.For example: the lawless person is to emerge in an endless stream by the incident, the case that forge a signature, means such as falsification of seal are forged, the relevant target that alters is implemented to break laws and violate discipline, and corresponding material evidence qualification process then need and use specialized instrument and equipment could realize the part false distinguishing by expertise usually.
Based on above situation, a kind of anti-counterfeit and counterfeit distinguishing method about vestige disclosed by the invention adopts two-dimensional bar code to encrypt and implants the antifalsification label that corresponding material evidence mark information is made vestige, and realization is false proof to the material evidence vestige; Conversely by understanding the material evidence information in the two-dimensional bar code and realizing false distinguishing, reach accurately application target easily of false proof effective, false distinguishing with the comparison of vestige in kind.
Barcode technology, especially bar code The Application of Technology history are very remote.Along with the maturation of 2D bar code technology,, it is applied rapidly because of having solved the little limitation of bar code information capacity.But 1850 capitalizations of two-dimensional bar code outfit as many as or 2710 numerals or 1108 bytes generally speaking, or more than 500 Chinese character are even as big as photo, the image information of storage certain specification.
The holographic exposure is one of characteristics of barcode technology, and for the bar code of not encrypting, recognizing apparatus can be understood all information in the bar code, and the not high enough bar code of Cipher Strength then exists by the low-cost risk that cracks.In the present invention, except visible vestige label is edited and released system 1, off-line false distinguishing system 2 and vestige label 3, also comprise following invisible ingredient:
1, two-dimension code type selecting
2, encipherment scheme (containing PKI works out and the cryptographic algorithm type selecting)
3, private key storage protocol
4, Flame Image Process scheme
5, decrypt scheme
6, plating comparison system
Its coding method of different barcode types is different, and the quantity of information that the unit area bar code can be held also is different, and therefore, the two-dimension code type selecting has constituted " privately owned stipulations " that this method application person works out voluntarily together with encipherment scheme and private key storage protocol.User of the present invention can improve Cipher Strength by well-designed privately owned stipulations.
Description of drawings
Accompanying drawing 1 is each ingredient synoptic diagram of the present invention.
Accompanying drawing 2 is normal direction flow synoptic diagram among the embodiment.
Accompanying drawing 3 is reverse schematic flow sheets among the embodiment.
Embodiment
Below with a simple embodiment process in detail, this embodiment only quotes as sample and describes principle of the present invention and core concept, and the present invention is not constituted any restriction.Wherein:
Two-dimension code type selecting: the two-dimensional bar code of selecting the PDF417 code system for use, its supports 1848 alphabetic characters or 2729 numerical characters or letter, digital shuffling character are encoded, support is imprinted on paper, card and the various bar code carrier commonly used, support the printing technique and the card printing technology of multiple standards to print, comprising: inkjet printing, laser printing, temperature-sensitive/hot transfer ribbon code printer printing etc.It has adopted state-of-the-art in the world at present error correction technology, this error correction technology that is implied in the symbol, can prevent decoding error effectively, improve the speed and the reliability of decoding, the information of losing owing to bar code symbol breakage, contamination etc. can also be decoded out.Error correction even 50% the contained information of bar code symbol of the impaired area of symbol can being reached reappear out.Its reliability of decode height as in the management data library test, is read 2,000 ten thousand bar code symbols, a routine decoding error (this section is selected from the internet relevant report) do not occur.
Encipherment scheme: adopting the cryptographic algorithm of research and development voluntarily, is 4 character ciphertexts of generation behind 1 character of public key encryption of 16 with length; PKI is only worked out 1, is the privately owned resource of High Security Level, and PKI is encapsulated in to the vestige label and edits and releases in the encryption lock of system's 1 configuration, the cryptographic algorithm encryption and package that adopts encryption lock to provide.For the off-line false distinguishing system 2 that is installed in notebook computer or the desk-top computer, use same encryption lock just can obtain PKI.And for the off-line false distinguishing system 2 that is encapsulated in the hand-held POS machine, PKI adopts discrete form to be encapsulated in the embedded system of POS machine, and global unique sequence number of embedded system and POS machine core component is bound and portable not.
The private key storage protocol: private key is to be used for encrypting the key of waiting to implant bar code information, is that to edit and release the length that system 1 generates at random by the vestige label at that time be the character string of 8 characters for system sign indicating number.The encryption key of each bar code is implanted in the same piece of bar code with encryption back information in the vestige label 3, private key expressly length is 8 characters, with the ciphertext length behind the public key encryption is 32 characters, 16 characters of private key ciphertext first half are stored in the bar code information afterbody, latter half is stored in the front portion of bar code information, does not have separator between private key and the imformosome.
The Flame Image Process scheme: adopt the compression algorithm about the .bmp bitmap of plating of research and development voluntarily will contain marking image vestige in plating extract its .BMP image file by taking pictures or scanning, and ciphered compressed becomes .bm_ standard file, transforms bit binary data stream again and implants bar code; And information such as photo are directly extracted its .jpg image by taking pictures or scanning, and adopt the compression algorithm ciphered compressed of research and development voluntarily to become .jp_ standard file, are converted into binary data stream again and implant bar code.The private key that is used for ciphered compressed is implanted same bar code according to the private key storage protocol.
Decrypt scheme: the reverse process of encipherment scheme.
Plating comparison system: Yan Fa comparison system voluntarily based on .bmp or .jpg form plating (signature) image, under support at the lossless compress of plating (signature) image and harmless reduction technique, native system extracts the marking image that is implanted in the bar code by the Flame Image Process scheme, with by take pictures or scan extraction vestige in kind on the calculating of comparing of marking image, realize false distinguishing.Plating comparison system is mounted in the image identification system on notebook computer or the desk-top computer, can adopt plug-in mode to be integrated in the off-line false distinguishing system 2, is equipped with image capture device, as ccd image Acquisition Instrument or scanner etc.
One, bar code is edited and released flow process in the vestige label 3
The vestige label is edited and released system 1 and is used to edit and release the computer information processing system of making vestige label 3, and it is mainly carried out normal direction flow and edits and releases all bar codes, edit and release finish after, use laser printing that bar code is printed on the relevant position of vestige carrier one by one.Each bar code printing order and print position are stipulated when design vestige label is edited and released system 1.The vestige label is edited and released system's 1 main flow process of carrying out referring to shown in the accompanying drawing 2, the called after normal direction flow.
Two, off-line false distinguishing system 2 understands the bar code information flow process
Off-line false distinguishing system 2 edits and releases the computer information processing system that system 1 is the opposite flow process of a pair of execution with the vestige label, its major function is exactly to be assembled into the information of complete vestige and friendly showing after the decrypts information in the vestige label 3, to make things convenient for the comparison false distinguishing of user and vestige in kind.For present embodiment, off-line false distinguishing system 2 needs a kind of equipment that can read the PDF417 two-dimensional bar code of configuration.
For the off-line false distinguishing system 2 that is installed on notebook computer or the desk-top situation computing machine, it is identical that its public key acquisition and method of calibration and vestige label are edited and released system 1.And can take from the global unique hardware identification code of POS machine critical piece (at this moment Dui Ying vestige label edit and release system 1 and the off-line false distinguishing system 2 that is installed in notebook computer or the desk-top computer also must use this PKI) for being encapsulated in its PKI of off-line false distinguishing system in the hand-held POS machine, PKI is solidificated in the embedded system of POS machine simultaneously.Like this, it only obtains the PKI mode when carrying out reverse flow process different, and other part flow processs are just the same.The main flow processs of carrying out of off-line false distinguishing system 2 are referring to shown in the accompanying drawing 3, the reverse flow process of called after.
Three, a kind of anticipation embodiment that relates to the marking
This method is used for government document.
Government document that is government's official document all add the official seal marking that is stamped dispatch government bodies during promulgation.Its text of the known official document of people and the marking do not have encryption measures.Have during such official document and added a cover the marking by the lawless person by the seal of distorting the official document content and forge and implement the activity of breaking laws and violate discipline.
If the technological means of lawless person's falsification of seal is enough brilliant, it is bigger that such a false official document is tested and appraised the difficulty that the marking comes false distinguishing.Because for the marking, between the different markings that identical seal covers out difference is just arranged, the dynamics of impressing difference, ink type difference, all can give with oily deep or light difference etc. and to differentiate that the plating true and false bring interference.
If use the present invention comes the code text on the official document and the marking is made antifalsification label respectively and attached on the official document, such official document is difficult to forge.If just can't forge the vestige label 3 that off-line false distinguishing system 2 can understand because the lawless person can not crack " the privately owned stipulations " of aforementioned bar code making, it obtains vestige label 3 methods that off-line false distinguishing system 2 can understand and has only a kind of, exactly the vestige label on the true official document 3 is extracted by two-dimensional code identifier, former state is made and attached on the false official document then.By falsification of seal the marking is added a cover on false official document more at last.
The lawless person concocts false official document like this, and at first, the technical threshold of false making improves greatly.Secondly, when false official document is distorted in terms of content to some extent, when off-line false distinguishing system 2 understands text code antifalsification labels must there be to not going up part shown information of coming out.Moreover, because what implant in the vestige label 3 of the marking is image information with that piece marking of its binding, even the marking that uses true seal to add a cover once more, described plating comparison system can both identify and not be that piece marking of being bound, is the marking that false chapter covered out still more.Like this, simply use off-line false distinguishing system 2 just can by to the deciphering of each antifalsification label and with official document in kind on the relevant information comparison, just can realize false distinguishing easily.
Four, forge the technology barriers of the antifalsification label of the vestige that uses this method making
1, barcode types
2, be solidificated in PKI in the program code
3, private key storage protocol
4, enciphering and deciphering algorithm kind
5, compression of images decompress(ion) and harmless retrieving algorithm
6, falsification of seal
More than six be the six big key elements of forging this vestige label 3.Edit and release the developer of system 1 and off-line false distinguishing system 2 as the vestige label, preceding top 5 factor belongs to self highest level secure content, therefore the lawless person wants to forge this vestige label 3, not only to have the necessary technology ability and the resource that possess the systemic software development and the system integration, also want simultaneously in the limited time, to crack and to obtain above-mentioned preceding top 5 factor, so just possess the ability of forging vestige label 3.For the marking, the lawless person also will possess the technological means of falsification of seal.All reaching above-mentioned requirements is difficult to accomplish for the counterfeiter.Therefore, it is enough healthy and strong adopting method disclosed by the invention to edit and release the false proof barrier that vestige label 3 contained.
In the reality society, forging the vestige person must be to need use to wait such as false papers, false official document, false contract to implement certain fraud, cheat loan to bank etc. such as taking false property ownership certificate, if property ownership certificate adopts the method disclosed in the present to be made, and each financial institution has been equipped with off-line false distinguishing system 2, the false property ownership certificate that the fake producer forges is as long as careless mistake appears in any one link in above 6 big key elements, off-line false distinguishing system 2 just can identify easily, just can prevent that the behavior of cheating loan from succeeding.
More than the anti-counterfeit and counterfeit distinguishing method of a kind of vestige disclosed in this invention is described in detail, used specific embodiment herein principle of the present invention and application mode are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present invention; Simultaneously; for one of ordinary skill in the art; according to thought of the present invention; part in specific embodiments and applications all can change; but as long as other novel bar codes that adopt two-dimensional bar code or barcode technology development in the future to be produced are made vestige antifalsification label (being vestige label 3 as herein described); adopt the technical method of multi-to-multi between vestige kind and the bar code, and be equipped with the mode of off-line false distinguishing system 2 all to fall into protection scope of the present invention.In sum, this description should not be construed as limitation of the present invention.
Claims (4)
1. the anti-counterfeit and counterfeit distinguishing method of a vestige (referring to accompanying drawing 1) comprises that the vestige label edits and releases system 1, off-line false distinguishing system 2 and vestige label 3, it is characterized in that:
Described vestige label 3 is edited and released making by planar bar code technology, is many-to-many relationship between vestige kind and the two-dimension code.Promptly look its little implantable many pieces of two-dimensional bar codes that contain much information, otherwise also visual its informational capacity size of multiple vestige is implanted same piece of two-dimensional bar code for any vestige.
2. the anti-counterfeit and counterfeit distinguishing method of a kind of vestige according to claim 1 is characterized in that:
The information of being implanted in each bar code in the described vestige label 3 all is to carry out the information after the encryption by associated encryption scheme, Flame Image Process scheme, and the private key of understanding each bar code also is implanted in the corresponding bar code according to the private key storage protocol.
3. the anti-counterfeit and counterfeit distinguishing method of a kind of vestige according to claim 1 is characterized in that:
Described off-line false distinguishing system 2 is closed system, can be deployed in notebook computer or the desk-top computer and (contain the two-dimension code reader), also can be deployed in the hand-held POS machine of supporting two dimension code reading, carry out the information in reverse flow process (referring to accompanying drawing 3 schematic flow diagrams) deciphering reduction and the display trace label 3.Its feature is that also described off-line false distinguishing system 2 is closed system, do not need the support of technology such as network, database, data resource, can understand and show in any place by supporting vestige label and edit and release information in the vestige label 3 that system 1 edited and released.
Its feature also be in the described off-line false distinguishing system 2 can be integrated plating comparison system, when the false distinguishing target comprises plating vestige antifalsification label situations such as (signatures), can from vestige label 3, reduce the marking (signature) image and as sample, to be that sample is compared, judge whether the marking in kind (signature) is the original binding marking (signature) by the marking in kind (signature) image of taking pictures or scan extraction.
4. the anti-counterfeit and counterfeit distinguishing method of a kind of vestige according to claim 1 is characterized in that:
Described vestige label is edited and released system 1 and can is stand-alone application, also can be the computer information management system of network application, have the various interface with systems exchange information resources such as other network data bases, mainly carry out normal direction flow (referring to accompanying drawing 2 schematic flow diagrams) and generate and make vestige label 3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010108209A CN101847186A (en) | 2010-02-10 | 2010-02-10 | Anti-counterfeit and counterfeit distinguishing method of trace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010108209A CN101847186A (en) | 2010-02-10 | 2010-02-10 | Anti-counterfeit and counterfeit distinguishing method of trace |
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| CN101847186A true CN101847186A (en) | 2010-09-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107977688A (en) * | 2017-12-31 | 2018-05-01 | 西安立东行智能技术有限公司 | A kind of security stamp seal image artificial intelligence recognition software system and method for building up |
| CN110427891A (en) * | 2019-08-05 | 2019-11-08 | 中国工商银行股份有限公司 | The method, apparatus, system and medium of contract for identification |
| WO2021139350A1 (en) * | 2020-09-23 | 2021-07-15 | 平安科技（深圳）有限公司 | Document entry detection method, apparatus and device, and storage medium |
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| CN1430175A (en) * | 2001-12-30 | 2003-07-16 | 北京兆日科技有限责任公司 | Encryption antiforgery method based on substance characteristics |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107977688A (en) * | 2017-12-31 | 2018-05-01 | 西安立东行智能技术有限公司 | A kind of security stamp seal image artificial intelligence recognition software system and method for building up |
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| WO2021139350A1 (en) * | 2020-09-23 | 2021-07-15 | 平安科技（深圳）有限公司 | Document entry detection method, apparatus and device, and storage medium |
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Open date: 20100929 |