Commodity anti-counterfeiting method and radio frequency identification tag medium applicable to commodity anti-counterfeiting method

Abstract

The invention provides a commodity anti-counterfeiting method and a radio frequency identification tag medium suitable for the commodity anti-counterfeiting method. The commodity anti-counterfeiting method comprises an anti-counterfeiting data establishment process, an anti-counterfeiting risk assessment process and an anti-counterfeiting data verification process. The radio frequency identification tag medium can be used in cooperation with the method. According to the invention, the risk of fraud by recovering the radio frequency identification tags or chips pasted on the commodities and further forgery the commodities can be reduced. By using a cryptographic technology and a well-designed risk assessment process, security, flexibility and convenience are considered, and the radio frequency identification tag medium reduces the complexity of the method in engineering application.

Description

Technical Field

[0001] The invention belongs to the field of anti-counterfeiting, and in particular relates to a commodity anti-counterfeiting method and a radio frequency identification label medium suitable for the commodity anti-counterfeiting method. Background Art

[0002] Radio frequency identification (RFID) tags, as a contactless automatic identification technology, have shown great application potential in the field of commodity anti-counterfeiting and traceability. When RFID tags are embedded in commodities, each tag contains a globally unique electronic code that can record detailed information about the product, such as production date, batch number, source of raw materials, manufacturer, logistics track, etc. The introduction of this technology enables the entire process of commodities from production to sales to be monitored and tracked in real time, greatly improving the accuracy and efficiency of anti-counterfeiting.

[0003] Although RFID tags combined with cryptographic technology can theoretically provide strong protection against copying and counterfeiting, they still face challenges in practical application. For example, counterfeiters can carefully remove legitimate RFID tags from goods and then paste them on counterfeit products again, thereby reusing RFID tags. What's more tricky is that the anti-counterfeiting characteristics of RFID tags mainly rely on the chip. Even if the easy-tear technology is used to make the label itself difficult to transfer, in most cases, the chip still functions normally after the label is torn, and criminals can still deceive the anti-counterfeiting traceability system by recycling and repackaging the chip.

[0004] In order to prevent the reuse of RFID tags and chips, the usual method is to let the chip record and identify characteristic data such as external circuit status and antenna impedance, and check whether there is any change during each verification. However, this method has significant limitations. For example, it requires special design of the chip and cannot be applied on ordinary chips. It also requires high processing technology and reliability of RFID tags, which increases the application cost. Moreover, the above external characteristics may change over time and are prone to false alarms, which limits the promotion and application of the above technologies. Therefore, it is necessary to design a universal, reliable and easy-to-use anti-counterfeiting method to prevent criminals from deceiving the authenticity verification system by recycling and reusing RFID tags and chips, causing losses to manufacturers and consumers. Summary of the invention

[0005] The present invention provides a commodity anti-counterfeiting method and a radio frequency identification tag medium, which solves the problem that when the radio frequency identification tag or chip is illegally recycled and reused, the expected commodity anti-counterfeiting effect cannot be achieved by simply relying on the authenticity identification of the radio frequency identification tag itself.

[0006] The method of the present invention does not require special design of the RFID tag chip. By comprehensively utilizing physical anti-counterfeiting, RFID tag anti-counterfeiting and cryptographic technology, as well as carefully designed method steps, it not only significantly reduces the risk of criminals deceiving the authenticity verification system by recycling RFID tags or chips on legitimate goods, but also avoids the introduction of complex operations in the commodity production or anti-counterfeiting verification stage, such as the need to use a computer to extract physical features in real time and reliably, and the need to write data to the RFID tag. In addition, the anti-counterfeiting risk assessment process is innovatively introduced, so that users only need to verify the anti-counterfeiting features of the goods when the anti-counterfeiting risk is high, which significantly reduces the complexity of user operations. The overall solution is scientific and reasonable, and highly practical. The RFID tag medium provided by the present invention for use in conjunction with the above method further reduces the difficulty of applying the method.

[0007] The commodity anti-counterfeiting method of the present invention comprises three steps: an anti-counterfeiting data establishment process, an anti-counterfeiting risk assessment process, and an anti-counterfeiting data verification process.

[0008] The anti-counterfeiting data establishment process includes the following steps: 1) Collect the chip identification data T of the RFID tag attached to the product. The chip identification data is generally globally unique and can be used as a database primary key to index other related data.

[0009] 2) Collect the product code data C printed on the product, including any one or more of the following data: batch number, production date, serial number, logistics code. There may be multiple sets of data printed on the product. Preferably, select unique data as the product code.

[0010] 3) Select one or more personalized physical features that are specific and difficult to replicate on the product itself or on the attachments to the product, and collect the original data of the product features by at least one or more of the following collection methods to obtain the original data of the product features P; the collection methods at least include taking photos, recording, videotaping, weighing, measuring length, measuring thickness, etc. to collect the original data of the product features. Among them, when the RFID tag attached to the product is an RFID tag containing a fluorescent anti-counterfeiting medium, the personalized physical feature is the fluorescent anti-counterfeiting medium feature in the personalized physical feature layer of the RFID tag.

[0011] 4) Calculate the verification code for the original data P of the product characteristics to obtain the verification code V, and the data integrity of the original data P of the product characteristics can be verified by the verification code V.

[0012] 5) The chip identification data T, the product coding data C, the product feature original data P, and the verification code V are saved in the information system for association to obtain the anti-counterfeiting data, and the relevant data can be retrieved later through the chip identification data T or the product coding data C. The association of the above data can be achieved by saving T, C, V, and the storage path of P in the file system together in a table of a relational database. In order to ensure the retrieval speed, indexes can be established for T and C in the database.

[0013] The personalized physical features include one or more of the following types, such as: artificially designed features, including security threads, random fibers, fluorescent spots, magnetic data and other anti-counterfeiting additives or anti-counterfeiting patterns; microscopic features formed by the randomness of the process during the processing, such as inkjet code dot features, gravure and offset printing texture features, holographic phase features, etc.; naturally formed features, such as the natural texture of the material itself, the precise quality of the product, etc. Among them, the selected features should be highly unique and difficult to forge.

[0014] The verification code V of the physical feature original data P is generated by: V=MAC message authentication code algorithm (key, hash algorithm (original data set)). The hash algorithm can be SM3, SHA, etc., and the MAC message authentication code algorithm can be HMAC, CMAC, etc. The length of the verification code is not more than 32 bytes. If the application system has restrictions on the length of the verification code, the verification code generated by the above algorithm can be truncated as required.

[0015] The anti-counterfeiting risk assessment process includes the following steps: 1) Obtain the chip identification data T' and product code data C' of the RFID tag attached to the product to be verified.

[0016] 2) Check whether the chip identification data T' exists in the information system. If the search result shows that it exists, then check whether the retrieved product code data C is consistent with the product code data C' of the product to be verified. If they are consistent, the conclusion of this step is passed; if the search result shows that it does not exist or the product code data is inconsistent, then stop the anti-counterfeiting risk assessment process, return an exception, and the product has a counterfeit risk; 3) Execute the following risk assessment functions. If any one of them returns a pass, the conclusion of this step is a pass: 3-1) If this is the first time that the chip identifier T performs this risk control assessment process, the result is passed; 3-2) If the difference between the current date and the date recorded when the last anti-counterfeiting data verification was successful is less than the threshold, it returns passed; the threshold is generally not more than 48 hours; 3-3) Generate a random number N in the interval [0,1]. If N is greater than the random risk control threshold, the result is passed. 4) If the conclusions of steps 2) to 3) are all passed, the conclusion of the anti-counterfeiting risk assessment process is passed, the risk of product counterfeiting is low, and there is no need to perform subsequent anti-counterfeiting data verification process; otherwise, it returns failed.

[0017] If the anti-counterfeiting risk assessment process concludes that it has failed, it means that the risk assessment method cannot exclude the possibility of illegal reuse of RFID tags or chips, and the anti-counterfeiting data verification should be carried out, including the following steps: 1) Perform cryptographic calculation on the original data P of the personalized physical characteristics of the product obtained by the information system using the chip identification data T to obtain the verification code V', compare the verification code V and the verification code V', and report an error if they are different; 2) Use the original data P to verify the consistency of the personalized physical features of the product. If the verification fails, it means that although the RFID tag functions normally, the personalized physical features of the product or the product attachment corresponding to the tag have changed, and there is a risk of counterfeiting the product.

[0018] As a preferred embodiment of the above technical solution, preferably, the personalized physical features on the commodity or attachment include one or more of the following combinations, such as: 1) Artificially designed features, including at least security threads, random fibers, fluorescent spots, magnetic data, anti-counterfeiting additives or anti-counterfeiting patterns; 2) Microscopic features formed by the randomness of the process during the processing, such as inkjet code dot features, gravure and offset printing texture features, and holographic phase features; 3) Naturally formed features, such as the natural texture of the material itself and the precise quality of the product.

[0019] As a preferred embodiment of the above technical solution, the verification code V of the physical feature original data P is preferably generated by the following algorithm: V=MAC message authentication code algorithm (key, hash algorithm (original data set)); wherein the hash algorithm can be SM3, SHA, etc., and the MAC message authentication code algorithm can be at least HMAC, CMAC; the length of the verification code is not greater than 32 bytes. If the application system has restrictions on the length of the verification code, the verification code generated by the above algorithm is truncated as required.

[0020] As a preferred embodiment of the above technical solution, preferably, the consistency verification method of personalized physical features is a manual verification method or a computer automatic verification method.

[0021] The RFID tag and chip described in the present invention should support at least one security authentication method such as a password and a key. Preferably, the RFID tag should support a dynamic authentication mechanism based on a cryptographic algorithm such as SM7, and the password and key in each tag are different to achieve a good anti-counterfeiting effect.

[0022] The physical characteristics described in the present invention should be stable, reliable and easy to measure, including but not limited to optical, magnetic, mass and other dimensions.

[0023] The present invention does not limit the specific implementation of the feature verification method. For example, the feature verification can be performed by displaying the original picture and then having the consumer or staff manually compare the pictures. If an automated verification method is used, it can be implemented by numerical comparison, pattern recognition, etc., or by using machine learning technology for training and matching.

[0024] The present invention also provides a radio frequency identification label medium suitable for the above-mentioned commodity anti-counterfeiting method, including a personalized physical feature layer, an adhesive layer, and a chip inlay layer arranged in sequence from top to bottom. The personalized physical feature layer is a paper-based material, and a part or all of its area is randomly embedded with a number of fluorescent anti-counterfeiting media in the shape of fluorescent discs and / or fluorescent lines and / or fluorescent polygons. Its surface can be printed with patterns or texts as needed, but it should be ensured that the fluorescent anti-counterfeiting medium is still clearly visible after printing. The chip inlay layer is a high-frequency and / or ultra-high-frequency radio frequency identification electronic tag Inlay, and its base material is easy to tear, including a combination of any one or more of the following materials: paper, fragile resin film, polyester film / polyolefin film using a flower knife and / or tear line process. The adhesive layer is used to bond the personalized physical feature layer to the chip inlay layer.

[0025] As a preferred embodiment of the above technical solution, it is preferable that it further includes a self-adhesive layer and a release layer.

[0026] As a preferred embodiment of the above technical solution, preferably, the self-adhesive layer includes a blank window, and the blank window is used to form a more reliable and irreversible pasting effect by spraying reactive glue before pasting, thereby increasing the difficulty of non-destructively peeling the RFID tag from the product.

[0027] As a preferred embodiment of the above technical solution, preferably, the paper base weight of the personalized physical feature layer is not higher than 90 grams. Preferably, the paper base weight is between 30 grams and 70 grams. The desired pattern or text can be printed on the surface of the personalized physical feature layer, such as real-time printing of product code data at the packaging site.

[0028] As a preferred embodiment of the above technical solution, preferably, the fluorescent material added to the personalized physical feature layer can be colorless under visible light without affecting the subsequent printing effect, and presents a single color or a variety of different colors under ultraviolet light.

[0029] As a preferred embodiment of the above technical solution, preferably, the individualized physical feature layer will be printed with product coding data before pasting.

[0030] The chip inlay layer is a high frequency and / or ultra-high frequency radio frequency identification electronic tag Inlay, and its substrate is preferably made of paper, fragile film or other easily torn materials. In particular, when the chip inlay layer is made of a material that is difficult to tear, such as polyester film / polyolefin film such as PET, PP, PVC, etc., it is necessary to add a pattern knife and / or tear line process. The adhesive layer is used to bond the personalized physical feature layer to the chip inlay layer.

[0031] The adhesive layer is used to bond the personalized physical feature layer and the chip inlay layer.

[0032] When the application environment requires the RFID tag to be self-adhesive, a self-adhesive layer and a release layer are also included under the chip inlay layer.

[0033] Preferably, the self-adhesive layer may include a blank window where no self-adhesive is applied, and reactive glue may be sprayed on the blank window at the packaging site before being pasted on the surface of the product, so as to form a more reliable and irreversible pasting effect, thereby increasing the difficulty of non-destructively peeling the RFID tag from the product. The reason for setting a blank window where no self-adhesive is applied is that if reactive glue is sprayed directly on the self-adhesive layer, the bonding effect will be affected. The sprayed glue may be reactive polyurethane, thermosetting resin, two-component glue, etc. The reason for retaining the self-adhesive layer is that the self-adhesive label can simplify the automated pasting process, while reducing problems such as glue overflow after spraying glue on site, and improving the problem of label warping caused by uneven spraying.

[0034] Compared with the prior art, the advantages of the present invention are: 1) Comprehensively utilize the RFID tag identification data, product coding data and personalized physical features on the goods and attachments for anti-counterfeiting, which significantly increases the difficulty of counterfeiting.

[0035] 2) It is possible to verify whether the tags and chips are reused for a second time without using specially designed RFID tag chips, and it is seamlessly compatible with existing RFID chip products on the market.

[0036] 3) The anti-counterfeiting risk assessment process significantly reduces the frequency of physical feature verification, improves system performance, and reduces user operation and mental burden.

[0037] 4) During the establishment of anti-counterfeiting data, only original photos, videos or measurement data are required for physical features, and there is no need to ensure uniqueness or write data to RFID tags, which simplifies the implementation complexity. During the anti-counterfeiting data verification stage, manual verification of physical features is supported or automated verification algorithms are introduced as needed.

[0038] 5) The radio frequency identification tag medium provided by the present invention simplifies the complexity of system deployment and improves packaging production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0040] Figure 1 A simplified schematic diagram of a commodity anti-counterfeiting method provided by the present invention.

[0041] Figure 2 The present invention provides a flowchart of the process of establishing anti-counterfeiting data in a commodity anti-counterfeiting method.

[0042] Figure 3 The present invention provides a flowchart of an anti-counterfeiting risk assessment process in a commodity anti-counterfeiting method.

[0043] Figure 4 The present invention provides a flowchart of an anti-counterfeiting data verification process in a commodity anti-counterfeiting method.

[0044] Figure 5 The present invention provides a schematic structural diagram of a radio frequency identification tag medium.

[0045] Figure 6 This is a schematic structural diagram of a radio frequency identification tag medium provided by the present invention under sunlight.

[0046] Figure 7 A schematic structural diagram of a radio frequency identification tag medium provided by the present invention under ultraviolet light.

[0047] Figure 8 for Figure 5 Schematic diagram of the structure of the self-adhesive layer. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] First, the method part of the technical solution of the present invention is briefly described. Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown: First, the anti-counterfeiting data establishment process includes the following steps, wherein the anti-counterfeiting data establishment is implemented during the commodity packaging production process: Step 101: Collect chip identification data T of the radio frequency identification tag attached to the product.

[0050] Step 102: Collect the product coding data C printed on the product, which at least includes: batch number, production date, serial number, and logistics code.

[0051] Step 103: Select the personalized physical features of the product to obtain the original data P of the product features.

[0052] Select at least one personalized physical feature of the product itself or the attachments on the product, and collect the original data of the product features by at least taking photos, recording, videotaping, weighing, measuring length, and measuring thickness, to obtain the original data P of the product features. Personalized physical features also include one or more of the following types, such as: 1) artificially designed features, including at least security lines, random fibers, fluorescent spots, magnetic data, anti-counterfeiting additives or anti-counterfeiting patterns; 2) microscopic features formed by the randomness of the process during the processing, such as inkjet code point features, gravure and offset printing texture features, and holographic phase features; 3) naturally formed features, such as the natural texture of the material itself and the precise quality of the product. In particular, when the radio frequency identification tag attached to the product is the radio frequency identification tag medium described in the present invention, the personalized physical feature is the fluorescent anti-counterfeiting information of the personalized physical feature layer of the tag.

[0053] Step 104: Get the verification code V.

[0054] V=MAC message authentication code algorithm (key, hash algorithm (original data set)) is used to calculate the check code for the product feature original data P to obtain the check code V. The data integrity of the product feature original data P can be verified by the check code V. Among them, the hash algorithm can be selected from SM3, SHA, etc., and the MAC message authentication code algorithm can be selected from HMAC, CMAC, etc. The length of the check code is not greater than 32 bytes. If the application system has restrictions on the length of the check code, the check code generated by the above algorithm can be truncated as required.

[0055] Step 105: associate the data to form anti-counterfeiting data.

[0056] The chip identification data T, the product coding data C, the product feature original data P, and the verification code V are saved in the information system for association to obtain the anti-counterfeiting data. The relevant data can be retrieved for verification later through the chip identification data T or the product coding data C. The above data association can be achieved by saving T, C, V, and the storage path of P in the file system together in a relational database. In order to ensure the retrieval speed, indexes can be established for T and C in the database.

[0057] Secondly, the anti-counterfeiting risk assessment process is carried out. This process is usually carried out after the goods are sold. The process includes the following steps: Step 201: Obtain chip identification data T' and product code data C' of the RFID tag attached to the product to be verified.

[0058] Step 202, search whether the chip identification data T' exists in the information system. If the search result is yes, then determine whether the retrieved product coding data C is consistent with the product coding data C' of the product to be verified. If they are consistent, the conclusion of this step is that the verification is passed; if the search result is no or the product coding data is inconsistent, stop the risk assessment process, return an exception, and the product may be at risk of counterfeiting.

[0059] Step 203: Execute the risk assessment function to obtain a pass or fail result. Specifically, if any of the following returns a pass, the conclusion of this step is a pass: 3-1) If this is the first time that the chip identifier T performs this risk control assessment process, the result is passed; 3-2) If the difference between the current date and the date recorded when the last anti-counterfeiting data verification was successful is less than the time threshold, it returns passed, where the threshold is no more than 48 hours; 3-3) Generate a random number N in the interval [0,1]. If N is greater than the random risk control threshold, the result is passed. Specifically, the three steps in step 203 can be executed in parallel.

[0060] Step 204: Return the anti-counterfeiting risk assessment result. Specifically, if the conclusions of steps 202 to 203 are all passed, then return passed, otherwise return failed.

[0061] Furthermore, if the anti-counterfeiting risk assessment process fails, it means that the risk of RFID tags or chips being reused cannot be eliminated through the anti-counterfeiting risk assessment, and the anti-counterfeiting data verification process is required, which specifically includes the following steps: Step 301: Perform cryptographic calculation on the original data P (obtained in step 103) of the commodity characteristic of the personalized physical characteristic of the commodity obtained by retrieving the information system using the chip identification data T to obtain a verification code V'.

[0062] Step 302: Compare the verification code V and the verification code V', and report an error if they are different.

[0063] Step 303: Use the product feature original data P to perform consistency verification on the personalized physical features of the product to be verified. If the verification fails, it indicates that the product has a counterfeit risk.

[0064] Among them, the consistency verification method of personalized physical features is manual verification or computer automatic verification.

[0065] The technical solution of the present invention is described in combination with specific implementation scenarios: Embodiment 1: This embodiment realizes the commodity anti-counterfeiting function based on the common high-frequency radio frequency identification tag medium on the market, and can be applied to the anti-counterfeiting and traceability scenarios of products such as alcohol or cigarettes. It includes the anti-counterfeiting data establishment process, the anti-counterfeiting risk assessment process and the anti-counterfeiting data verification process. The specific implementation process is as follows: The anti-counterfeiting data establishment process includes: 1) Use a high-frequency RFID reader to collect the chip identification data of the radio frequency identification tag attached to the product, denoted as T; 2) During packaging, the online coding system prints unique product coding data on the surface of the product, and simultaneously obtains the above data from the printing control device, which is recorded as C; 3) The personalized physical features selected in this embodiment are the microscopic personalized features of the inkjet code points of the product code data C printed on the bottle body, bottle cap or cigarette box in real time by the online inkjet equipment during the wine bottle or cigarette packaging stage. During the operation of the production line, the relative position of the inkjet terminal and the product is random, and the irregular shape or random placement of the product will cause the inkjet ink dots formed by the same characters to have personalized features that are difficult to copy.

[0066] Use an industrial camera to capture a high-definition image of the coding position of each product after coding, denoted as P.

[0067] 4) Using the authentication key K pre-configured or distributed by the information system, use the following algorithm to operate P to obtain V=HMAC-Sha256(K, SHA256(P)).

[0068] 5) Save P to the file system, and record the storage path as F. Save T, C, F, and V to a relational database, such as a MySQL database, and set T and C as primary keys. Do not allow duplication. This completes the information association process.

[0069] The anti-counterfeiting risk assessment process includes: 1) Obtain the chip identification data T' and product code data C' of the RFID tag attached to the product to be verified. The chip identification data is collected through the NFC interface of the mobile phone, and the product code data is collected through the mobile phone camera or manually entered by the user.

[0070] 2) Use T' to search the information system and check whether the data exists in the information system; if the search is successful, verify whether the retrieved product code data C is consistent with C'. If they are consistent, the conclusion of this step is passed. If the search fails or the retrieved product code data is inconsistent, stop the risk assessment process and return an exception.

[0071] 3) Execute the risk assessment function. If any item returns a pass, the conclusion of this step is a pass: 3-1) If this is the first time that the chip ID T executes this risk control process, it returns passed; 3-2) If the difference between the current date and the date recorded when the anti-counterfeiting data was last successfully verified is less than the threshold, the result is returned as passed; in this embodiment, the threshold is configured as 24 hours; 3-3) Generate a random number N in the interval [0,1]. If N is greater than the random risk control threshold, return a pass. In this embodiment, the random risk control threshold is configured to be 0.8. 4) If the conclusions of step 2 to step 3 are all passed, return passed; otherwise, return failed.

[0072] If the anti-counterfeiting risk assessment process fails, anti-counterfeiting data verification is required, including the following steps: 1) Using the same authentication key K, calculate the original data P of the personalized physical characteristics of the product obtained by using T to retrieve the information system to obtain the verification code V'; compare V and V', and report an error if they are different; 2) Prompt the user to obtain a high-definition picture of the coding location through the mobile phone camera and transmit it to the verification system. Based on the pattern recognition method, identify the coding area in the picture and crop it; then correct and denoise the inkjet code point image, detect the character boundary and segment it by character; then calculate the similarity with each character image of the original data in sequence to obtain the similarity Si of each character. If the similarity Si of each character is higher than the threshold St, the verification is passed. Otherwise, it is prompted that the chip may be reused.

[0073] Embodiment 2: The radio frequency identification tag medium provided by the present invention is now described. The radio frequency identification tag medium is used together with the method described in the present invention for anti-counterfeiting and traceability scenarios of valuable commodities such as commemorative coins, high-end tobacco and alcohol.

[0074] The RFID tag medium described in this embodiment is as follows: Figure 5 , from top to bottom, they are respectively a personalized physical feature layer 1, an adhesive layer 2, a chip inlay layer 3, a self-adhesive layer 4 and a release layer 5.

[0075] like Figure 5 , Figure 6 , Figure 7As shown, the personalized physical feature layer 1 is a paper-based material, and a portion or all of its area is randomly embedded with a number of fluorescent line-shaped 211 and fluorescent disc-shaped 212 fluorescent anti-counterfeiting media, and its surface includes a product code printing area 213 and a two-dimensional code pattern printing area 214. Under visible light, the fluorescent line-shaped and fluorescent disc-shaped anti-counterfeiting media are colorless; under ultraviolet light, Figure 7 The fluorescent line 221 and the fluorescent disc 222 anti-counterfeiting medium are red, and the product code printing area 223 and the two-dimensional code pattern printing area 224 show fluorescent patterns / ordinary patterns according to the actual printing medium. The paper-based material used in this embodiment has a gram weight of 60 grams.

[0076] The adhesive layer 2 is a water-based polyurethane resin.

[0077] The chip inlay layer 3 is a high frequency radio frequency identification tag inlay with easy-to-tear characteristics. In this embodiment, the chip inlay layer is coated paper with a gram weight of 60 grams.

[0078] The self-adhesive layer 4 is acrylic latex, and the thickness of the adhesive layer is 15-30 um.

[0079] In this embodiment, a blank window without adhesive is provided on the adhesive layer 4. Figure 8 The adhesive layer 4 is divided into two areas, area 1 is the adhesive covering area, and area 2 is the glue spraying area. Setting a spraying window on the adhesive layer 4 can simplify the automated pasting process, reduce problems such as glue overflow after on-site glue spraying, and improve the label warping problem caused by uneven spraying.

[0080] The release layer 5 is glassine paper coated with silicone oil, with a gram weight of 65 grams.

[0081] In actual production and use, the chip inlay layer 3 is a high-frequency and / or ultra-high-frequency radio frequency identification electronic tag Inlay, and its base material is easy to tear, including a combination of any one or more of the following materials: paper, fragile resin film, polyester film / polyolefin film using a pattern knife and / or tear line process (to achieve the purpose of easy tearing).

[0082] Based on the RFID tag medium described in this embodiment, the specific implementation process of the commodity anti-counterfeiting method of the present invention includes the anti-counterfeiting data establishment process, the anti-counterfeiting risk assessment process and the anti-counterfeiting data verification process. The specific implementation process is as follows: The anti-counterfeiting data establishment process is completed jointly by the label medium manufacturer and the product manufacturer, including: 1) The RFID tag medium manufacturer collects the chip identification data of each RFID tag, denoted as T.

[0083] 2) The RFID tag medium manufacturer prints the corresponding text and QR code in the product code printing area and QR code pattern printing area of ​​the tag medium according to the product code data C provided by the product manufacturer.

[0084] 3) The personalized physical features selected in this embodiment are the random fluorescent medium position and shape information embedded in the personalized physical feature layer of the tag medium. The RFID tag medium manufacturer is responsible for collecting the high-definition image of the personalized physical feature layer, denoted as P.

[0085] 4) The RFID tag medium manufacturer uses the authentication key K provided by the product manufacturer and uses the following algorithm to operate P to obtain V = HMAC-Sha256 (K, SHA256 (P)).

[0086] 5) The RFID tag medium manufacturer provides T, C, F, and V to the product manufacturer. The product manufacturer sprays reactive polyurethane on the self-adhesive blank window area of ​​each RFID tag medium through automatic pasting equipment on the packaging production line, and then pastes it to the surface of the product, collects the chip identification data T of the pasted RFID tag, and saves the corresponding C, F, and V data in the product manufacturer's information system.

[0087] The anti-counterfeiting risk assessment process includes: 1) Obtain the chip identification data T' and product code data C' of the RFID tag attached to the product to be verified. The chip identification data is collected through the NFC interface of the mobile phone, and the product code data is collected through the mobile phone camera or manually entered by the user.

[0088] 2) Use T' to search the information system and check whether the data exists in the information system; if the search is successful, verify whether the retrieved product code data C is consistent with C'. If they are consistent, the conclusion of this step is passed. If the search fails or the retrieved product code data is inconsistent, stop the risk assessment process and return an exception.

[0089] 3) Execute the following risk assessment functions. If any one of them returns a pass, the conclusion of this step is a pass: 3-1) If this is the first time that the chip ID T executes this risk control process, it returns passed; 3-2) If the difference between the current date and the date recorded when the last anti-counterfeiting data verification was successful is less than the threshold, return to pass; in this embodiment, the threshold is configured as 48 hours; 3-3) Generate a random number N in the interval [0,1]. If N is greater than the random risk control threshold, return a pass. In this embodiment, the random risk control threshold is configured to 0.9. 4) If the conclusions of step 2 to step 3 are all passed, return passed; otherwise, return failed.

[0090] If the anti-counterfeiting risk assessment process fails, anti-counterfeiting data verification is required, including the following steps: 1) Using the same authentication key K, calculate the original data P of the personalized physical characteristics of the product obtained by using T to retrieve the information system to obtain the verification code V'; compare V and V', and report an error if they are different; 2) Retrieve personalized physical feature data P associated with T from the information system. In this embodiment, personalized physical feature data P is an image of the personalized physical feature layer of the label medium (including but not limited to: the color and / or distribution position and / or shape and / or texture characteristics of the fluorescent medium). The image P is presented to the user, who compares it with the label medium attached to the surface of the product. If they are consistent, the anti-counterfeiting data verification is passed. Otherwise, it is indicated that the product may be counterfeited.

[0091] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A commodity anti-counterfeiting method, characterized in that: Including the anti-counterfeiting data establishment process, anti-counterfeiting risk assessment process, and anti-counterfeiting data verification process; The anti-counterfeiting data establishment process includes the following steps: 1) Collect the chip identification data T of the RFID tag attached to the product; 2) Collect the product code data C printed on the product, including any one or a combination of the following data: batch number, production date, serial number, logistics code; 3) Select at least one personalized physical feature of the commodity itself or an object attached to the commodity, and collect the commodity feature original data by at least one or more of the following collection methods, to obtain the commodity feature original data P; wherein the collection methods at least include photographing, recording, videotaping, weighing, measuring length, and measuring thickness; wherein, when the RFID tag attached to the commodity is an RFID tag containing a fluorescent anti-counterfeiting medium, the personalized physical feature is the fluorescent anti-counterfeiting medium feature in the personalized physical feature layer of the RFID tag; 4) Calculating a verification code for the product feature original data P to obtain a verification code V, through which the data integrity of the product feature original data P can be verified; 5) The chip identification data T, the product coding data C, the product feature original data P, and the verification code V are saved in the information system for association to obtain the anti-counterfeiting data, and the relevant data can be retrieved later through the chip identification data T or the product coding data C; wherein the association method is to save the relevant data in a table of a relational database and create an index; The anti-counterfeiting risk assessment process includes the following steps: 1) Obtain the chip identification data T' and product code data C' of the RFID tag attached to the product to be verified; 2) Check whether the chip identification data T' exists in the information system. If the search result shows that it exists, then check whether the retrieved product code data C is consistent with the product code data C' of the product to be verified. If they are consistent, the conclusion of this step is passed; if the search result shows that it does not exist or the product code data is inconsistent, then stop the anti-counterfeiting risk assessment process, return an exception, and the product has a counterfeit risk; 3) Execute the risk assessment function. If any of the following returns a pass, the conclusion of this step is a pass: 3-1) If this is the first time that the chip identifier T performs this risk control assessment process, the result is passed; 3-2) If the difference between the current date and the date recorded when the last anti-counterfeiting data verification was successful is less than the time threshold, it returns passed, where the threshold is no more than 48 hours; 3-3) Generate a random number N in the interval [0,1]. If N is greater than the random risk control threshold, the result is passed. 4) If the conclusions of steps 2) to 3) are all passed, the conclusion of the anti-counterfeiting risk assessment process is passed, and the anti-counterfeiting data verification process is no longer carried out; otherwise, the conclusion of the anti-counterfeiting risk assessment is not passed, and the anti-counterfeiting data verification process must be carried out; If the anti-counterfeiting risk assessment process concludes that it has failed, the anti-counterfeiting data verification process will be carried out, including the following steps: 1) Perform cryptographic calculation on the original data P of the personalized physical characteristics of the product obtained by the information system using the chip identification data T to obtain the verification code V', compare the verification code V and the verification code V', and report an error if they are different; 2) Use the original product feature data P to perform consistency verification on the personalized physical features of the product to be verified. If the verification fails, it indicates that the product is at risk of counterfeiting.

2. The method according to claim 1, characterized in that: The personalized physical features on the product or attachment include one or more of the following combinations, such as: 1) Artificially designed features, including at least security threads, random fibers, fluorescent spots, magnetic data, security additives or security patterns; 2) Microscopic features formed by the randomness of the process during the processing, such as inkjet code dot features, gravure and offset printing texture features, and holographic phase features; 3) Naturally formed characteristics, such as the natural texture of the material itself and the precise quality of the product.

3. The method according to claim 1, characterized in that The verification code V generation algorithm of the physical feature original data P is: V=MAC message authentication code algorithm; the hash algorithm can be SM3, SHA, and the MAC message authentication code algorithm can be at least HMAC, CMAC; the verification code length is not greater than 32 bytes. If the application system has restrictions on the length of the verification code, the verification code generated by the above algorithm is truncated as required.

4. The method according to any one of claims 1 to 3, characterized in that: The consistency verification method of personalized physical features is manual verification or computer automatic verification.

5. A radio frequency identification label medium suitable for use in the commodity anti-counterfeiting method according to any one of claims 1 to 4, characterized in that: include: Personalized physical feature layer, adhesive layer, chip inlay layer; The material of the personalized physical feature layer is a paper-based material, and a portion or all of the area thereof is randomly embedded with a number of fluorescent disc-shaped and / or fluorescent linear-shaped and / or fluorescent polygon-shaped fluorescent anti-counterfeiting media, and the surface thereof may be printed with patterns or texts as required, but it should be ensured that the fluorescent anti-counterfeiting media is still clearly visible after printing; The chip inlay layer is a high-frequency and / or ultra-high-frequency radio frequency identification electronic tag Inlay, and its substrate is easy to tear, including any one or more of the following materials: paper, fragile resin film, polyester film / polyolefin film using a pattern knife and / or tear line process; The adhesive layer is used to bond the personalized physical feature layer and the chip inlay layer.

6. The RFID tag medium according to claim 5, characterized in that: It also includes a self-adhesive layer and a release layer.

7. The RFID tag medium according to claim 6, characterized in that: The self-adhesive layer includes a blank window, and the blank window is used to form a more reliable and irreversible pasting effect by spraying reactive glue before pasting, thereby increasing the difficulty of non-destructively peeling the radio frequency identification tag from the commodity.

8. The RFID tag medium according to claim 5, characterized in that: The paper base weight of the personalized physical feature layer is not higher than 90 grams, and the paper base weight is between 30 grams and 70 grams.

9. The RFID tag medium according to claim 5, characterized in that: The fluorescent material added to the personalized physical feature layer is colorless under visible light and appears in a single color or multiple different colors under ultraviolet light.

10. The RFID tag medium according to claim 5, characterized in that: The personalized physical feature layer will be printed with product coding data before being attached.

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