CN102855510B - Anti-fake product and recognition methods thereof - Google Patents
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Abstract
The invention discloses a kind of anti-fake product and recognition methods thereof, wherein, anti-fake product comprises carrier, described carrier is provided with the characteristic number of anti-fake product described in unique identification, described carrier is also provided with property material coding, described property material coding is encoded or is carried out wireless radio frequency discrimination RFID forming label to ciphered data information according to pre-arranged code mode to ciphered data information by property material and obtains, and described ciphered data information obtains by adopting predetermined encryption algorithm to be encrypted all or part of information forming described characteristic number.The embodiment of the present invention can improve the safety anti-fake ability of anti-fake product and machine to characteristic number recognition capability, accurately reads, the characteristic number identified on value document.
Description
Technical field
The present invention relates to anti-counterfeiting technology, especially a kind of anti-fake product and recognition methods thereof.
Background technology
At present, the information system requirement of value document in safety anti-fake and tracing management is more and more stronger.From safety anti-fake, on the one hand, along with high-tech universal, particularly the equipment such as color printer, color copy machine, computer composition tinting system and software systems are easily obtained by lawless person, cause imitation or the forgery paper substrate such as valuable bills, bank money or plastic base value document more and more easier, also more and more true to nature; On the other hand, along with technical information is by the wide-scale distribution of the medium such as network, information, people, in information-based flourishing today, can carry out exchange and conmmunication more easily, to such an extent as to the anti-counterfeiting technology of various grade are As time goes on by the degree of progress speed known.Tradition anti-counterfeiting technology, comprises the limitation of physics and chemistry anti-counterfeiting technology and institute's facing challenges and difficulty and also more and more aggravates.Therefore, researchist starts the combination of sight being invested information-based anti-counterfeiting technology and information-based false proof and traditional anti-counterfeiting technology.From tracing management, nearest decades infotech develop rapidly, bring earth-shaking change to the life of people and socioeconomic development, infotech has penetrated into each corner of society gradually.Enter 21st century, the level of informatization of people's social life is more and more high, and internet and the flourish of Internet of Things also create strong demand to value document informationization.
For realizing the informationization of value document, an important step carries out personalized identification to value document.Personalized identification can be carried out in the following way at present: a kind of mode is by value document initiatively individuating feature to value document, such as, value document prints number, digital watermarking etc., realizes the difference of each value document value document similar with other; Another kind of mode is the existing individualized feature of passive extraction value document, such as, when being manufactured with value document, the distribution of fiber, the distribution of paper density, the distribution of paper sheet thickness, the difference of watermarking images and printing characteristic stochastic distribution etc., be all the individualized feature of value document, distinguish value document.To the individualized feature by initiatively giving, the number such as printed, mechanical recognition system ratio is easier to identify; To the random individualized feature of passive extraction, mechanical recognition system identification is relatively difficult.
In order to accurately be identified the individualized feature number initiatively giving value document, can by adding the mechanism of check code in characteristic number, judge whether value document number reads successfully, thus improve the anti-counterfeit capability of value document and the accuracy rate of machine recognition.Wherein, the mode adding check code can comprise weighting scheme and non-weighting scheme.For a large amount of value document printed, the mode adopting weighting scheme to add check code is difficult to the needs of satisfied printing speed.Therefore, tend at present adopt non-weighting scheme to add check code.
China is vast in territory, and the circulation environment of value document is very complicated.Realizing in process of the present invention, inventor finds that the method that prior art adopts check code mechanism to improve the anti-counterfeit capability of value document and the accuracy rate of machine recognition at least exists following problem:
Individualized feature number on value document is due to Long-Time Service generation fold, by after dirty, mechanical recognition system will be had a strong impact on and accurately read this characteristic number, only adopt check code mode that the characteristic number of a large amount of value document may be caused accurately can not to be read, identify.These accurately can not identify that the value document of individualized feature number may be also relatively newer, are applicable to the requirement that circulation further uses completely.Make it no longer circulate iff because the personalized number of value document cannot read, make value document exit circulation environment too early, so will cause unnecessary loss.
Summary of the invention
Embodiment of the present invention technical matters to be solved is: provide a kind of anti-fake product and recognition methods thereof, to improve the safety anti-fake ability of anti-fake product and machine to characteristic number recognition capability, accurately reads, the characteristic number identified on value document.
A kind of anti-fake product that the embodiment of the present invention provides, comprise carrier, described carrier is provided with the characteristic number of anti-fake product described in unique identification, described carrier is also provided with property material coding, described property material coding is encoded or is carried out wireless radio frequency discrimination RFID forming label to ciphered data information according to pre-arranged code mode to ciphered data information by property material and obtains, and described ciphered data information obtains by adopting predetermined encryption algorithm to be encrypted all or part of information forming described characteristic number.
The recognition methods of a kind of anti-fake product that the embodiment of the present invention provides, comprising:
Recognition device reads the characteristic number of described anti-fake product and property material is encoded;
Described recognition device is decoded to described property material coding according to default decoding process, obtains decoded data;
Described recognition device adopts default decipherment algorithm to be decrypted described decoded data, obtains data decryption information;
Described recognition device verifies that whether described data decryption information is consistent with described characteristic number, and exports the result.
The anti-fake product provided based on the above embodiment of the present invention and recognition methods thereof, on the carrier of anti-fake product except the characteristic number of unique identification anti-fake product is set, carrier is also provided with property material coding, this property material coding to be encoded to ciphered data information according to pre-arranged code mode by property material or is carried out RFID label tag to ciphered data information and makes and obtain, and ciphered data information is wherein encrypted by all or part of information adopting predetermined encryption algorithm to composition characteristic number and obtains.After anti-fake product arranges characteristic number characteristic of correspondence material coding, can identify characteristic number by means of property material coding, thus improve machine to characteristic number recognition capability, accurate reading, the characteristic number identified on value document, compared with prior art, avoid the reasons such as the contaminated or fold of characteristic number accurately to be read by Optical Character Recognition system, identify; And, property material coding is obtained in coding owing to being encrypted characteristic number, can confirm that whether characteristic number is effective by whether checking property material coding and characteristic number be consistent, thus effectively identify the true and false of product, improve the safety anti-fake ability of anti-fake product.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of an anti-fake product of the present invention embodiment;
Fig. 2 is the process flow diagram of a recognition methods embodiment of anti-fake product of the present invention;
Fig. 3 is the process flow diagram of another embodiment of recognition methods of anti-fake product of the present invention;
Fig. 4 is the structural representation of the anti-fake product as the present invention's Application Example;
Fig. 5 is the structural representation of the anti-fake product as Another application embodiment of the present invention;
Fig. 6 is the structural representation of the anti-fake product as another Application Example of the present invention;
Fig. 7 be embodiment illustrated in fig. 6 in property material luminescent spectrum figure.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the structural representation of an anti-fake product of the present invention embodiment.Anti-fake product in various embodiments of the present invention can be any products, such as, value document, valuables etc., such as, bank money, securities, certificate, magnetic card or prevent forge default free securities etc.As shown in Figure 1, the anti-fake product of this embodiment comprises carrier 11, such as: security, bill, certificate, commodity sign, commodity packaging, documentary evidence and antifake certificate card.Carrier 11 is provided with the characteristic number 12 of this anti-fake product of unique identification, and is provided with property material coding 13.Wherein, this property material coding 13 ciphered data information to be encoded according to pre-arranged code mode by property material or to ciphered data information carry out radio frequency identification (Radio FrequencyIdentification, hereinafter referred to as: RFID) forming label obtains.Ciphered data information is wherein encrypted by all or part of information adopting predetermined encryption algorithm to composition characteristic number 11 and obtains.
Predetermined encryption algorithm wherein can be specifically symmetric encipherment algorithm, also can be rivest, shamir, adelman.Symmetric cryptography refers to and adds, decruption key is identical, comprise classic code and replace adding of mechanism realization, mapping relations between decrypting feature symbol, such as, characteristic symbol " A " after the deciphering of encrypted characteristic symbol " 1 " correspondence, also modern disclosed Encryption Standard algorithm is comprised such as, data encryption standards (Data Encryption Standard, hereinafter referred to as: DES) cryptographic algorithm, triple is according to encryption standard (Triple DES, hereinafter referred to as: 3DES) cryptographic algorithm, IDEA (International Data Encryption Algorithm, hereinafter referred to as: IDEA), Advanced Encryption Standard (Advanced Encryption Standard, hereinafter referred to as: AES) cryptographic algorithm scheduling algorithm, and the cryptographic algorithm etc. that national key management office puts on record and works out voluntarily according to every profession and trade feature.Asymmetric encryption refers to and adds, decruption key is different, such as, by Peter Lonard Lee Vista (Ron Rivest), what A Di Shamir (Adi Shamir) and Leonard A Deman (Leonard Adleman) developed together utilizes the difficult RSA cryptographic algorithms of decomposing of big integer prime number, elliptic curve encryption algorithm (the Elliptic curve encryption algorithm of discrete logarithm Solve problems difficulty on elliptic curve, hereinafter referred to as: ECC) scheduling algorithm and national key management office put on record and according to every profession and trade feature work out voluntarily etc. cryptographic algorithm etc.It is higher that above-mentioned algorithm cracks difficulty, after adopting above-mentioned algorithm to be encrypted, contribute to preventing property material from encoding decrypted, make to cause lawless person and encode based on effective characteristic number and property material and forge price product, thus the safety anti-fake ability of raising anti-fake product.
Characteristic number 12 on anti-fake product can recognition allowing device machine recognition, but in the permanent communication process of anti-fake product as value document, easily cause value document surface irregularity, scratch and smear various dirty material, make reading that recognition device cannot be correct, recognition feature number 12.Prior art adopt check code mode can judge to a certain extent recognition device whether correct identify characteristic number 12, but when recognition device cannot correctly identify, cannot find mistake is where, the situation of likely makeing mistakes.The anti-fake product that the above embodiment of the present invention provides, on carrier except the characteristic number of unique identification anti-fake product is set, carrier is also provided with property material coding, this property material coding to be encoded to ciphered data information according to pre-arranged code mode by property material or is carried out RFID label tag to ciphered data information and makes and obtain, and ciphered data information is wherein encrypted by all or part of information adopting predetermined encryption algorithm to composition characteristic number and obtains.After anti-fake product arranges characteristic number characteristic of correspondence material coding, can identify characteristic number by means of property material coding, thus improve machine to characteristic number recognition capability, accurate reading, the characteristic number identified on value document, avoid the reasons such as the contaminated or fold of characteristic number and accurately cannot be read by Optical Character Recognition system, identify; And, property material coding is obtained in coding owing to being encrypted characteristic number, can confirm that whether characteristic number is effective by checking property material coding with whether characteristic number is consistent, thus effectively identify the true and false of product, the true and false of anti-fake product is differentiated, improves the safety anti-fake ability of anti-fake product.
As a specific embodiment of the present invention, carrier 11 specifically can be made up of paper base material, plastic basis material and/or composite plastic base material.Characteristic number 11 specifically can comprise in the characteristic symbol that letter, numeral, character, symbol or other machine can read any one or multiple.
As another embodiment of the present invention, in the stock that property material coding 13 specifically can be distributed in carrier 11 in an encoded form or be printed on the stock surface of carrier 11.
In addition, as another embodiment of the present invention, the pre-arranged code mode in the above embodiment of the present invention specifically can comprise the space encoding of encoding in spatial dimension to property material and/or the functional characteristic coding of encoding to the intrinsic characteristic of property material.Accordingly, property material coding 13 can comprise one-dimensional bar code, Quick Response Code, three-dimension code and/or RFID label tag.
Wherein, space encoding specifically can comprise the mode of the coding of one dimension, two dimension and/or three-dimensional.The code system of conventional one-dimension code can comprise International Article Numbering Association (EAN) code, 39 yards, intersect 25 yards, (Universal Product Code, hereinafter referred to as UPC) code, 128 yards, 93 yards, Ku Deba (Codabar) code etc. for Universial Product Code.Quick Response Code is also referred to as two-dimensional bar code, portability data shelves (Portable Data File can be comprised, hereinafter referred to as: PDF) 417 yards, 49 yards (Code49), 16K code (Code 16K), data matrix code (Data Matrix), buphthalmos code (MaxiCode), QR code etc., mainly be divided into accumulation to be also layer row formula, and chessboard is also the large class of matrix form two.Such as, PDF417 code wherein, 49 yards, Code 16K code for piling up also i.e. layer row formula, Data Matrix code, MaxiCode code, rapid reaction (Quick Response, hereinafter referred to as: QR) code is chessboard also i.e. matrix form.The coded system of three-dimension code is carried out multi-sheet printed on base material, realizes one-dimension code or/and Quick Response Code is perpendicular to the expansion on base material direction.In addition, space encoding also can aim at the coded system for special industry custom-made except above-mentioned standard code.Functional characteristic coding refers to, to the characteristic power of property material material institute tool, peak position, the characteristics such as halfwidth carry out function coding, such as, luminescent spectrum coding is carried out to property material material, absorb the coding of light spectrum, magnetic coercive force is encoded, magnetic permeability is encoded, remanent magnetism is encoded, conductivity is encoded, Raman spectrum is encoded, reflectance spectrum is with angular coding, polarization state is with anglec of rotation coding etc., by the machine recognizable functional character coding that sensor transfer is electric signal pulse, the property material coding 13 obtained can mix printing-ink or be sprayed on the base materials such as l Water Paper.In the embodiment of the present invention, space encoding and functional characteristic are encoded and both be can be used alone, and also can be combined.
Wherein, intrinsic characteristic specifically can comprise the distinctive mode of excitation of luminescent material, luminescent spectrum and intensity, excitation spectrum and intensity, time response spectrum, the character such as fluorescence polarization direction, or the character such as the width of the distinctive absorption spectrum of light absorption/reflecting material, spectrum and intensity, or the character such as the distinctive soft magnetism of magnetic material, Hard Magnetic, coercive force, remanent magnetism, saturation magnetization, amorphous magnetic, or the character such as the distinctive conductance of conductive material, or the character such as the distinctive specific inductive capacity of dielectric material, permittivity.
As another embodiment of the present invention, in characteristic number 12, check code can be comprised.Also namely: characteristic number 12 is made up of sequence number and check code, can by the making batch information of wherein a few bit representation characteristic numbers of sequence number, such as: the information such as the ink of the printing of characteristic number 12 batch, printed features number 12 batch.In actual applications, wherein several of characteristic number 12 can be arranged, such as, former position, represents the production batch of anti-fake product, then in order to save cost, only can unify encryption to the production lot information of product, such as, the batch information of same several securities series-produced of certain board is encrypted, produces an identical ciphered data information.
Specifically can add check code by weighting scheme or non-weighting scheme in characteristic number.When adopting non-weighting scheme to add check code, the check code mechanism such as mould 7, mould 9, mould 11 or mould 13 specifically can be adopted to produce check code according to the further feature symbol in characteristic number 12 except check code.
Further, state in the anti-fake product that each embodiment provides on the invention, ciphered data information to be specifically encrypted all or part of information of composition characteristic number 12 and the relevant information of anti-fake product by employing predetermined encryption algorithm and to obtain.Wherein, the relevant information of anti-fake product comprise anti-fake product production factory site, manufacture in the relevant information such as board, date of manufacture, ink batch and forme batch any one or multiple.
The packets of information stored in one-dimensional bar code, Quick Response Code, three-dimension code or RFID label tag contain anti-fake product production factory site, manufacture the relevant information such as board, date of manufacture, ink batch and forme batch after, based on this relevant information, the tracing management to anti-fake product can be realized, value document production management, to review and widespread use is carried out in the many fields of monitoring of the process of circulation from now on, improve the tracing management ability to anti-fake product.
Particularly, property material can comprise there is luminescence feature, magnetic characteristic, light absorption/reflectance signature, Ramam effect, light to become in the feature such as feature, optical polarization feature, conductive features and dielectric characterization any one or manifold material.Wherein, luminescence feature specifically can comprise the feature of photoluminescence, electroluminescence, chemiluminescence, triboluminescence or the luminescence of other energy-activation etc.Photoluminescence specifically can comprise burst of ultraviolel ultraviolet, visible, near infrared, Infrared fluorescence are launched, excite ultraviolet as seen, visible, near infrared, Infrared fluorescence are launched, and near infrared excites near infrared, Infrared fluorescence, visible ray, ultraviolet light emission.The emission spectrum of luminescence feature can comprise ultraviolet, visible, near infrared and infrared any wave band.Light absorption/reflectance signature specifically can comprise the light absorption/reflectance signature of x light, ultraviolet, visible, near infrared and infrared any wave band.Magnetic characteristic specifically can comprise the feature of hard magnetic material, soft magnetic material.The feature that conductive features specifically can comprise metal, inorganic, organic or macromolecule has conductive characteristic.Dielectric characterization specifically can comprise the dielectric characterization that inorganic, organic or macromolecular material has.
Fig. 2 is the process flow diagram of a recognition methods embodiment of anti-fake product of the present invention, and the anti-fake product that the method for this embodiment can provide the various embodiments described above of the present invention carries out truth identification.As shown in Figure 2, it comprises following flow process:
21, the characteristic number 12 that recognition device reads anti-fake product encodes 13 with property material.
Such as, can by having the recognition device of the sensor such as optical character identification, magnetics character recognition and information processing integrated functionality, characteristic number 12 and the property material of anti-fake product are encoded 13 physical features change electric signal into read.
22, recognition device is decoded to property material coding 13 according to default decoding process, obtains decoded data.
23, recognition device adopts default decipherment algorithm to be decrypted decoded data, obtains data decryption information.Decipherment algorithm wherein specifically can comprise manner of decryption and decruption key.
24, whether recognition device checking data decryption information is consistent with characteristic number 12, and export the result.
The recognition methods of the anti-fake product that the above embodiment of the present invention provides, on the carrier of anti-fake product except the characteristic number of unique identification anti-fake product is set, carrier is also provided with property material coding, this property material coding to be encoded to ciphered data information according to pre-arranged code mode by property material or is carried out RFID label tag to ciphered data information and makes and obtain, and ciphered data information is wherein encrypted by all or part of information adopting predetermined encryption algorithm to composition characteristic number and obtains.After anti-fake product arranges characteristic number characteristic of correspondence material coding, can identify characteristic number by means of property material coding, thus improve machine to characteristic number recognition capability, accurate reading, the characteristic number identified on value document, avoid the reasons such as the contaminated or fold of characteristic number and accurately cannot be read by Optical Character Recognition system, identify; And, property material coding is obtained in coding owing to being encrypted characteristic number, can confirm that whether characteristic number is effective by checking property material coding with whether characteristic number is consistent, thus effectively identify the true and false of product, the true and false of anti-fake product is differentiated, improves the safety anti-fake ability of anti-fake product.
Further, before the embodiment shown in Fig. 2, characteristic number 12 can also be set on the carrier 11 of anti-fake product and encode 13 with property material.As shown in Figure 3, be the process flow diagram of another embodiment of recognition methods of anti-fake product of the present invention, this embodiment can arrange characteristic number 12 in the following way and encode 13 with property material on the carrier 11 of anti-fake product:
31, first setting device arranges characteristic number 12 on the carrier 11 of anti-fake product.
Such as, the first setting device can pass through the mode of printings such as screen printing mode, intaglio printing mode, engraving and printing mode, letterpress mode, offset printing mode or ink jet printing mode, is printed on the carrier 11 of anti-fake product by characteristic number 12.Except characteristic number 12 being printed on except the surface of anti-fake product carrier 11 with mode of printing, in the substrate that with safety line form, characteristic number 12 can also be embedded into anti-fake product and carrier 11, or in the carrier 11 in the mode of mechanical effect characteristic number 12 being embedded into anti-fake product or carrier 11 surface, such as, the mode of laser boring can be adopted, the carrier 11 of anti-fake product arranges characteristic number 12, or dealuminzation morphogenesis characters number 12, is then implanted on carrier 11 on employing aluminizer.Such as, the ink that colourless or that body colour is more shallow Ultraluminescence or infrared absorbing material can be adopted to make, in letterpress mode, is printed on characteristic number 12 on the carrier 11 of anti-fake product.
32, encryption device adopts all or part of information of predetermined encryption algorithm to composition characteristic number 12 to be encrypted, and obtains ciphered data information.Wherein, the default decipherment algorithm in embodiment illustrated in fig. 2 is corresponding with this predetermined encryption algorithm.
Particularly, according to a specific embodiment of the present invention, predetermined encryption algorithm wherein can comprise symmetric encipherment algorithm and rivest, shamir, adelman.Symmetric encipherment algorithm is as des encryption algorithm, 3DES cryptographic algorithm, IDEA, AES encryption algorithm etc.; Rivest, shamir, adelman is as RSA cryptographic algorithms, elliptic curve encryption algorithm ECC etc.
In actual applications, the production batch of wherein a few bit representation anti-fake products of characteristic number 12 can be set, then in order to save cost, only can unify encryption to the production lot information of product, such as, the batch information of same several securities series-produced of certain board is encrypted, produces an identical ciphered data information.
33, code device is encoded to ciphered data information according to pre-arranged code mode by property material, or carry out RFID label tag making to ciphered data information, obtaining can by the property material of machine recognition coding 13.Wherein, the default decoding process of middle employing embodiment illustrated in fig. 2 is corresponding with this pre-arranged code mode.
Particularly, according to a specific embodiment of the present invention, pre-arranged code mode can comprise the space encoding of encoding in spatial dimension to property material and/or the functional characteristic coding of encoding to the intrinsic characteristic of property material.Accordingly, coding or RFID label tag make the property material that obtains and encode and 13 specifically can comprise one-dimensional bar code, Quick Response Code, three-dimension code and/or RFID label tag.
34, second setting device arranges property material coding 13 on the carrier 11 of anti-fake product.
Such as, property material coding 13 by traditional screen printing mode, intaglio printing mode, engraving and printing mode, letterpress mode, offset printing mode or ink jet printing mode, can be printed on the carrier 11 of anti-fake product by the second setting device.Such as, the carrier 11 as value document substrate is when being prepared by the paper base material based on cotton fiber, can in paper-making process, is evenly sprayed by property material coding 13 or substrate that orientation is sprayed at value document also namely on carrier 11.Such as, adopt the ink that colourless or that body colour is more shallow infrared absorbing material is made, in letterpress mode, the Quick Response Code obtained of being encoded by ciphered data information is printed on the carrier 11 of anti-fake product, thus prevents the situation of large batch of forgery value document from occurring.Particularly, characteristic number 12 and material can be encoded 13 is printed in the same ink layer on carrier 11 surface, also can alternately be printed in the different ink layeies on carrier 11 surface.Adopting traditional mode of printing namely property material can be encoded 13 is printed on the carrier 11 of anti-fake product, effectively can save the cost needed for product false proof.
Except above-mentioned traditional mode of printing, also can use digital printed mode, such as, the technology such as temperature-sensitive, hot transfer printing, coding, ink-jet, laser coding, the Quick Response Code obtained of being encoded by ciphered data information is printed on the carrier 11 of anti-fake product.In addition, also ciphered data information can be made into RFID label tag and be arranged on carrier 11, thus increase productivity the Production requirement meeting anti-fake product printing.
Particularly, in the embodiment shown in above-mentioned Fig. 3, step 31 can perform prior to step 32 ~ 34, also can perform with step 32 ~ 34 simultaneously, or is later than step 32 ~ 34 execution.
Further, state in the recognition methods step 32 of embodiment on the invention, when all or part of information of composition characteristic number 12 is encrypted, can also to the relevant information of anti-fake product, such as, the production factory site of anti-fake product, manufacture in all relevant informations such as board, date of manufacture, ink batch and forme batch any one or multiple, be encrypted, obtain ciphered data information.
In addition, state in the recognition methods of each embodiment on the invention, in characteristic number 12, can check code be comprised.Characteristic number 12 is specifically made up of sequence number and check code, can by the making batch information of wherein a few bit representation characteristic numbers of sequence number, such as: the information such as the ink of the printing of characteristic number 12 batch, printed features number 12 batch.Accordingly, after decoded data being decrypted and obtaining data decryption information by adopting default decipherment algorithm, can be verified the out of Memory in characteristic number 12 except check code by check code, error correction.
By check code mode, can judge whether recognition device correctly identifies characteristic number 12, when recognition device identification error, by means of characteristic number 12 characteristic of correspondence material coding 13, can analyze the situation of characteristic number 12 identification error, and in conjunction with check code, error correction is carried out to the characteristic number 12 misread, thus accurately read, identify the characteristic number on value document, avoid anti-fake product due to Long-Time Service generation fold, can not accurately be read by dirty rear characteristic number 12, identify, the loss causing a large amount of anti-fake product to exit the field of circulation causing.
Fig. 4 is the structural representation of the anti-fake product as the present invention's Application Example, and in this Application Example, property material coding is specially Quick Response Code.As shown in Figure 4, the carrier 11 of anti-fake product has characteristic number 12, that is: a BH12345678, last position 8 in this characteristic number 12 is check code, so that simple anti-counterfeit recognition and machine reads accurately, transmission feature number 12.Adopt predetermined encryption algorithm, such as, DES, 3DES, IDEA, AES etc., comprise cipher mode and encryption key, is encrypted, obtains ciphered data information: 235345sfh4576 to characteristic number BH12345678.Adopt the Quick Response Code coded system pre-set to carry out coding to ciphered data information 235345sfh4576 and generate Quick Response Code 13, and be printed on the surface of anti-fake product by the mode of printing of ink-jet.The biomaterials with anti-counterfeiting characteristic selected by the ink of ink-jet, preferred water white transparency or the more shallow infrared absorbing inks of body colour or fluoresent printing ink.Owing to adopting complicated difficult with the cryptographic algorithm decoded, lawless person is difficult to the encryption corresponding relation found between characteristic number 12 and Quick Response Code 13.
In addition, also the key different from encrypted feature number 12 can be adopted, respectively to the relevant information of anti-fake product, such as, production factory site, manufacture many information such as board, date of manufacture, ink batch, forme batch, be encrypted, adopt the Quick Response Code coded system pre-set to the enciphered message of the relevant information of ciphered data information, anti-fake product, carry out coding and generate Quick Response Code 13.Which adopts identical key or adopt different keys to pre-set respectively to every relevant information of anti-fake product.Based on this, multi-stage key management mechanism can be set, so that the user of different stage carries out anti-counterfeit recognition, tracing management to anti-fake product.Such as, can set, the central bank is chief executive, and key authority is the highest, and it possesses all keys of deciphering needed for Quick Response Code 13 completely, can be decrypted the full detail of Quick Response Code 13; For law enforcement agency, its key authority is limited, possesses the part of key of part deciphering needed for Quick Response Code 13, can only be decrypted the partial information of Quick Response Code 13; For in business activity, battalion dealer and consumer have the key authority of more low side, can only be decrypted, thus carry out truth identification to the true and false of anti-fake product to the characteristic number 12 in Quick Response Code 13.
Fig. 5 is the structural representation of the anti-fake product as Another application embodiment of the present invention, and in this Application Example, property material coding is specially Quick Response Code, only encodes to the partial information in characteristic number 12.As shown in Figure 5, the carrier 11 of anti-fake product has characteristic number 12, that is: a BH12345678, last position 8 in this characteristic number 12 is check code, so that simple anti-counterfeit recognition and machine reads accurately, transmission feature number 12.Select any three BH4 in this characteristic number BH12345678, adopt predetermined encryption algorithm, comprise cipher mode and encryption key, be encrypted, obtain ciphered data information, the Data Matrix coded system selecting information density higher, Quick Response Code coding is carried out to ciphered data information, obtains Quick Response Code 13, contained the ink of infrared absorbing material property material by one, adopt letterpress mode, Quick Response Code 13 is printed on carrier 11.Infrared absorbing material wherein can be organic material, the inorganic oxide and salt etc. of organic dyestuff, organic material, transition-containing metal ion and rare earth metal.The preferred water white transparency of this infrared absorbing material or the more shallow material of body colour.Owing to being only encrypted the partial information BH4 of characteristic number 12, therefore, adopt every block block needed for letterpress mode can one batch of anti-fake product containing BH4 in printed features number 12, and not needing each anti-fake product to use a specific Quick Response Code block, this one batch of anti-fake product containing BH4 uses the corresponding form of same Quick Response Code 13 to be relatively applicable to the printing technology of existing anti-fake product.
When adopting the recognition methods of the embodiment of the present invention to identify anti-fake product embodiment illustrated in fig. 5, first, read the characteristic number 12 on anti-fake product, identify, machine recognition result is BH12345678; Then, decode to Quick Response Code 13, decipher identification, obtaining data decryption information is BH4.Subsequently, verify that whether BH12345678 and BH4 is consistent; If consistent, then can judge that this anti-fake product is true value document, otherwise, be then false value document.If BH12345678 and BH4 is consistent, but the check code in characteristic number 12 recognition result is not the check code that characteristic number 12 recognition result is corresponding, then can judging characteristic number 12 identification error, the number often misread is carried out replacement corrected, such as, according to casting-out-9 check ink recorder system to carrying out BH1234567 verification in characteristic number 12, its verification is summed to 8, but when machine reads, the verification of calculating is summed to 2, can be judged as misreading.Further Supreme Being, can according to the regularity misread, and such as, 3 and 8,0 and 6 misread often occurs, and the difference between them is 5 and 6, therefore can judge by the difference of School Affairs the numeral misread.Such as, verification summation was 8 originally, and was 2 when machine reads, when then likely reading 6, paper out-of-flatness, misread as 0 by dirty, so 6 can be replaced to by read 0, verify the accuracy of check code again, thus play effect characteristic number 12 being carried out to error correction to a certain extent.
Generally speaking, in this application embodiment, by carrying out the two-dimensional encoded of property material to the characteristic symbol of characteristic number, thus ensure the accurate reading to characteristic number, realize the accurate judgement to check code, this is for anti-fake product after long-term complicated circulation environment, and the reasons such as the contaminated or fold of characteristic number are not easily accurately read by Optical Character Recognition system and have great significance.Which is adopted to improve the safety anti-fake ability of anti-fake product and the accurate reading capability of machine recognition to a certain extent.
Fig. 6 is the structural representation of the anti-fake product as another Application Example of the present invention, and in this Application Example, property material coding is specially Quick Response Code, only encodes to the partial information in characteristic number 12.As shown in Figure 6, the carrier 11 of anti-fake product has characteristic number 12, that is: a BH12345678, last position 8 in this characteristic number 12 is check code, so that simple anti-counterfeit recognition and machine reads accurately, transmission feature number 12.Select any three BH4 in this characteristic number BH12345678, adopt predetermined encryption algorithm, comprise cipher mode and encryption key, be encrypted, obtain ciphered data information, ciphered data information is carried out to the luminescent spectrum coding of the property material contained in the ink of one-dimension code coding and printing employing, obtain one-dimension code 13, property material wherein selects ultraviolet fluorescent material, comprise rear-earth-doped, organic dyestuff, semiconductor luminescent material etc., the preferred water white transparency of this ultraviolet fluorescent material or the more shallow material of body colour.Afterwards by this ink, adopt letterpress mode, one-dimension code 13 is printed on carrier 11.Because the quantity of information of one-dimension code is limited, by the form of the coding of property material luminescent spectrum, a dimension is expanded to one-dimension code, adopt the common presentation code data of form of one-dimension code form and luminescent spectrum coding, the quantity of information that can reach or encode close to Quick Response Code.Property material luminescent spectrum wherein as shown in Figure 7, has multiple peak position, can be undertaken optical spectrum encoded by peak position.This luminescent spectrum is encoded after particular design, for the anti-fake product of different batches, can produce new coding form by regulating the peak position of spectrum.
Owing to being only encrypted the partial information BH4 of characteristic number 12, therefore, adopt every block block needed for letterpress mode can one batch of anti-fake product containing BH4 in printed features number 12, and not needing each anti-fake product to use a specific block, this one batch of anti-fake product containing BH4 uses same one-dimension code to encode in conjunction with the printing technology of the relatively more applicable existing anti-fake product of the corresponding form that property material is optical spectrum encoded.
In this instructions, each embodiment all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, same or analogous part cross-reference between each embodiment.For embodiment of the method, because it is corresponding with product embodiments, so description is fairly simple, relevant part illustrates see the part of product embodiments.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
In the embodiment of the present invention, can identify characteristic number by means of property material coding, thus improve machine to characteristic number recognition capability, accurately read, the characteristic number identified on value document avoids the reasons such as the contaminated or fold of characteristic number and accurately cannot be read by Optical Character Recognition system, identify; And, property material coding is obtained in coding owing to being encrypted characteristic number, can confirm that whether characteristic number is effective by whether checking property material coding and characteristic number be consistent, thus effectively identify the true and false of product, improve the safety anti-fake ability of anti-fake product; The tracing management to anti-fake product can be realized, value document production management, to review and widespread use is carried out in the many fields of monitoring of the process of circulation from now on, improve the tracing management ability to anti-fake product.
Claims (20)
1. an anti-fake product, comprise carrier, described carrier is provided with the characteristic number of anti-fake product described in unique identification, it is characterized in that, described carrier is also provided with property material coding, described property material coding is encoded or is carried out wireless radio frequency discrimination RFID forming label to ciphered data information according to pre-arranged code mode to ciphered data information by property material and obtains, described ciphered data information is encrypted by the relevant information adopting predetermined encryption algorithm to all or part of information and described anti-fake product that form described characteristic number and obtains, the relevant information of described anti-fake product comprises the production factory site of described anti-fake product, manufacture board, date of manufacture, in ink batch and forme batch any one or multiple,
Wherein, the all or part of information of described characteristic number adopts different secret key encryptions from the relevant information of described anti-fake product, any one or more secret key encryption adopting the whole employings in different secret key encryptions or described relevant information identical respectively in the relevant information of described anti-fake product; The user of different stage has the key authority of different stage, the enciphered message of the key authority support deciphering different piece of different stage, the key authority of highest level supports decrypt encrypted data information, and other key authority of lowermost level only supports the enciphered message of all or part of information of characteristic number described in decrypt encrypted data information.
2. anti-fake product according to claim 1, is characterized in that, described carrier is made up of paper base material, plastic basis material and/or composite plastic base material.
3. anti-fake product according to claim 1, is characterized in that, described characteristic number comprise in letter, numeral, character and symbol any one or multiple.
4. anti-fake product according to claim 1, is characterized in that, in the stock that described property material coding is specifically distributed in described carrier in an encoded form or be printed on the stock surface of described carrier.
5. anti-fake product according to claim 1, is characterized in that, described pre-arranged code mode comprises the space encoding of encoding in spatial dimension to described property material and/or the functional characteristic coding of encoding to the intrinsic characteristic of described property material;
Described property material coding comprises one-dimensional bar code, Quick Response Code, three-dimension code and/or RFID label tag.
6. anti-fake product according to claim 5, it is characterized in that, described intrinsic characteristic comprise the distinctive mode of excitation of luminescent material, luminescent spectrum and intensity, excitation spectrum and intensity, time response spectrum, fluorescence polarization direction property, or the width of the distinctive absorption spectrum of light absorption/reflecting material, spectrum and intensity property, or the distinctive soft magnetism of magnetic material, Hard Magnetic, coercive force, remanent magnetism, saturation magnetization, amorphous magnetic properties, or the distinctive conductance character of conductive material, or the distinctive specific inductive capacity of dielectric material, permittivity character.
7. anti-fake product according to claim 1, is characterized in that, described characteristic number comprises check code.
8. anti-fake product according to claim 1, it is characterized in that, described property material comprise there is luminescence feature, magnetic characteristic, light absorption/reflectance signature, Ramam effect, light to become in feature, optical polarization feature, conductive features and dielectric characterization any one or manifold material.
9. anti-fake product according to claim 8, is characterized in that, described luminescence feature comprises the feature of photoluminescence, electroluminescence, chemiluminescence, triboluminescence or other energy-activation luminescences;
Described light absorption/reflectance signature comprises the light absorption/reflectance signature of x light, ultraviolet, visible, near infrared and infrared any wave band;
Described magnetic characteristic comprises the feature of hard magnetic material, soft magnetic material;
The feature that described conductive features comprises metal, inorganic, organic or macromolecule has conductive characteristic;
Described dielectric characterization comprises the dielectric characterization that inorganic, organic or macromolecular material has.
10. anti-fake product according to claim 9, is characterized in that, the emission spectrum of described luminescence feature comprises ultraviolet, visible, near infrared and infrared any wave band;
Described photoluminescence comprises burst of ultraviolel ultraviolet, visible, near infrared, Infrared fluorescence are launched, excite ultraviolet as seen, visible, near infrared, Infrared fluorescence are launched, and near infrared excites near infrared, Infrared fluorescence, visible ray, ultraviolet light emission.
11. anti-fake products according to claim 1, is characterized in that, described predetermined encryption algorithm comprises symmetric encipherment algorithm and rivest, shamir, adelman.
12. anti-fake products according to claim 11, is characterized in that, described symmetric encipherment algorithm comprises DES Cipher cryptographic algorithm, 3DES cryptographic algorithm, IDEA IDEA, Advanced Encryption Standard AES encryption algorithm;
Described rivest, shamir, adelman comprises RSA cryptographic algorithms, elliptic curve encryption algorithm ECC.
13. anti-fake products according to claim 1, is characterized in that, described carrier comprises security, bill, certificate, commodity sign, commodity packaging, documentary evidence and antifake certificate card.
The recognition methods of 14. 1 kinds of anti-fake products, is characterized in that, comprising:
Recognition device reads the characteristic number of described anti-fake product and property material is encoded;
Described recognition device is decoded to described property material coding according to default decoding process, obtains decoded data;
Described recognition device adopts default decipherment algorithm to be decrypted described decoded data, obtains data decryption information;
Described recognition device verifies that whether described data decryption information is consistent with the described characteristic number read, and exports the result;
Wherein, the all or part of information of described characteristic number adopts different secret key encryptions from the relevant information of anti-fake product, the relevant information of described anti-fake product comprises the production factory site of described anti-fake product, manufactures board, the date of manufacture, in ink batch and forme batch any one or multiple; Any one or more secret key encryption adopting the whole employings in different secret key encryptions or described relevant information identical respectively in the relevant information of described anti-fake product; The user of different stage has the key authority of different stage, the enciphered message of the key authority support deciphering different piece of different stage, the key authority of highest level supports decrypt encrypted data information, and other key authority of lowermost level only supports the enciphered message of all or part of information of characteristic number described in decrypt encrypted data information.
15. methods according to claim 14, is characterized in that, described recognition device reads before the characteristic number of described anti-fake product and property material encode, and also comprises:
First setting device arranges described characteristic number on the carrier of described anti-fake product;
Encryption device adopts all or part of information of predetermined encryption algorithm to the described characteristic number of composition to be encrypted, and obtain ciphered data information, described default decipherment algorithm is corresponding with described predetermined encryption algorithm;
Code device to be encoded to ciphered data information according to pre-arranged code mode by property material or is carried out RFID label tag making to ciphered data information, and obtain described property material coding, described default decoding process is corresponding with described pre-arranged code mode;
Second setting device arranges described property material coding on the carrier of described anti-fake product.
16. methods according to claim 15, it is characterized in that, described first setting device arranges described characteristic number and comprises on the carrier of described anti-fake product: described characteristic number, by screen printing mode, intaglio printing mode, engraving and printing mode, letterpress mode, offset printing mode or ink jet printing mode, is printed on the carrier of described anti-fake product by described first setting device; Or
Described second setting device arranges described property material coding and comprises on the carrier of described anti-fake product: described property material coding, by screen printing mode, intaglio printing mode, engraving and printing mode, letterpress mode, offset printing mode or ink jet printing mode, is printed on the carrier of described anti-fake product by described second setting device.
17. methods according to claim 15, is characterized in that, described pre-arranged code mode comprises the space encoding of encoding in spatial dimension to described property material and/or the functional characteristic coding of encoding to the intrinsic characteristic of described property material;
Described property material coding comprises one-dimensional bar code, Quick Response Code, three-dimension code and/or RFID label tag.
18., according to claim 14 to the method described in 17 any one, is characterized in that, described characteristic number comprises check code;
Described obtain data decryption information after, also comprise: by check code, the out of Memory in described characteristic number except described check code to be verified, error correction.
19., according to claim 15 to the method described in 17 any one, is characterized in that, described predetermined encryption algorithm comprises symmetric encipherment algorithm and rivest, shamir, adelman.
20. methods according to claim 19, is characterized in that, described symmetric encipherment algorithm comprises des encryption algorithm, 3DES cryptographic algorithm, IDEA, AES encryption algorithm;
Described rivest, shamir, adelman comprises RSA cryptographic algorithms, ECC.
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