CN116451730A - Anti-counterfeiting method based on intelligent terminal and double information codes - Google Patents

Anti-counterfeiting method based on intelligent terminal and double information codes Download PDF

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Publication number
CN116451730A
CN116451730A CN202310363667.7A CN202310363667A CN116451730A CN 116451730 A CN116451730 A CN 116451730A CN 202310363667 A CN202310363667 A CN 202310363667A CN 116451730 A CN116451730 A CN 116451730A
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product
counterfeiting
consumption
code
key
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荆继武
兰东煜
王跃武
雷灵光
寇春静
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University of Chinese Academy of Sciences
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University of Chinese Academy of Sciences
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Priority to CN202310363667.7A priority Critical patent/CN116451730A/en
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/0772—Physical layout of the record carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/30—Computing systems specially adapted for manufacturing

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses an anti-counterfeiting method based on an intelligent terminal and a double two-dimensional code, which comprises the following steps: a) The anti-counterfeiting center generates an anti-counterfeiting two-dimensional code and a consumption two-dimensional code for each product and sends the anti-counterfeiting two-dimensional code and the consumption two-dimensional code to a producer; the producer generates a product number for the product, sets the anti-counterfeiting two-dimensional code in the product outer package, and sets the consumption two-dimensional code in the product package; the product number, the product information, the corresponding anti-counterfeiting two-dimensional code and the consumption two-dimensional code are sent to an anti-counterfeiting center; the anti-counterfeiting center verifies whether the received two-dimensional code is correct, and if so, a corresponding certificate is generated according to the product information; b) The product purchaser transmits the identity certificate two-dimensional code and the anti-counterfeiting two-dimensional code to the product purchaser, informs the product seller of scanning and transmits scanning information to the anti-counterfeiting authentication center, and transmits the certificate and the anti-counterfeiting authentication method of the purchased product to the intelligent terminal of the product purchaser after the verification is passed; c) The intelligent terminal verifies the product according to the obtained anti-counterfeiting verification method.

Description

Anti-counterfeiting method based on intelligent terminal and double information codes
Technical Field
The invention relates to the field of key security, in particular to an anti-counterfeiting method based on an intelligent terminal and a double information code.
Background
The two-dimensional code is a graph which is distributed on a plane according to a certain rule by using a certain specific geometric figure, is alternately black and white and records data symbol information; the concept of "0" and "1" bit streams forming the internal logic foundation of the computer is utilized in code programming, a plurality of geometric shapes corresponding to binary are used for representing literal numerical information, and the literal numerical information is automatically read through an image input device or a photoelectric scanning device to realize automatic information processing. It has some commonalities in barcode technology: each code has its specific character set; each character occupies a certain width; the device has a certain verification function; automatically identifying information of different rows; processing graphics rotation change points, etc.
Although the data existing in the two-dimensional code can be encrypted, the meaning of specific content cannot be known by the outside, but the two-dimensional code cannot be prevented from being copied. At present, mainstream two-dimensional code commodity anti-counterfeiting schemes in the market are provided by manufacturers, and purchasers read serial numbers in two-dimensional code commodity packages by scanning the two-dimensional codes to inquire authenticity of manufacturers. The method also brings security loopholes for counterfeiters to copy the anti-counterfeiting two-dimensional codes of the commodities and package the counterfeited and inferior commodities into genuine commodities for sale.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to provide an anti-counterfeiting method based on an intelligent terminal and a double information code so as to improve the safety.
The technical scheme of the invention is as follows:
an anti-counterfeiting method based on an intelligent terminal and a dual information code comprises the following steps:
a) Registering:
a.1 The anti-counterfeiting center generates an anti-counterfeiting information code and a consumption information code for each product needing anti-counterfeiting by utilizing a random number and an authentication algorithm, and sends the anti-counterfeiting information code and the consumption information code to a producer of the corresponding product;
a.2 The producer generates a product number for the produced product needing anti-counterfeiting, the received anti-counterfeiting information code is arranged on the outer package of the product, and the consumption information code is arranged in the product package, so that the consumption information code is invisible before the product package is disassembled;
a.3 The producer sends the product numbers, the product information, the corresponding anti-counterfeiting information codes and the corresponding consumption information codes of all the products needing anti-counterfeiting to the anti-counterfeiting center;
a.4 The anti-counterfeiting center checks whether the received information code is correct, if so, a corresponding certificate is generated according to the product information, and the product number, the product information, the corresponding anti-counterfeiting information code, the consumption information code and the certificate of the product are stored in a product database;
b) Purchase or order step:
b.1 The product purchaser informs the product seller of the communication contact information (such as a mobile phone number) of the intelligent terminal of the product purchaser, and the product seller sends the communication contact information of the purchaser and the ordered product number to the anti-counterfeiting authentication center;
b.2 The anti-counterfeiting center searches the product database, binds the communication contact way of the purchaser with the corresponding product number after confirming the product number of the purchased product, and sends the product certificate and the anti-counterfeiting verification method of the purchased product to the intelligent terminal of the purchaser of the product according to the communication contact way of the purchaser;
c) And (3) verification:
c.1 Using the intelligent terminal to scan the anti-counterfeiting information code on the outer package of the product;
c.2 The intelligent terminal verifies the scanned anti-counterfeiting information code according to the obtained anti-counterfeiting verification method, and prompts execution of the step C.3 if the scanned anti-counterfeiting information code passes the verification;
c.3 Scanning the consumption information code in the product package by using the intelligent terminal and verifying the correctness of the scanned consumption information code according to the obtained anti-counterfeiting verification method; if the verification is passed, the verification is prompted to be genuine.
Further, the anti-counterfeiting information code and the consumption information code comprise a code identifier, an access control code, a partial key and an authentication code; the access control code and part of the secret key are random numbers, and the authentication code is generated by the anti-counterfeiting center to be used for completing the password redundancy error detection code for checking the correctness.
Further, the method for generating the corresponding certificate by the anti-counterfeiting center according to the product information comprises the following steps: 1) Generating a public-private key pair as a manufacturer key of the manufacturer and signing a manufacturer certificate; 2) Generating a random number as a product private key, and calculating a product public key; then signing a product certificate containing the product public key by using a key of the manufacturer certificate according to the product information; and then exclusive-or the product private key and a part of the secret key in the anti-counterfeiting information code to obtain a part of the secret key of the product.
Further, the anti-counterfeiting verification method comprises the following steps: part of the key of the product, the consumption factor, the detailed information link of the manufacturer and the download website of the verification APP.
Further, in step c.2), the method for verifying the scanned anti-counterfeiting information code is as follows: and after exclusive or is carried out on the partial secret key in the anti-counterfeiting information code and the partial secret key sent by the anti-counterfeiting center, the public key of the product is calculated and is compared with the public key in the product certificate, if the public key is consistent with the public key, the verification is passed, and otherwise, the verification is not passed.
Further, in step c.3), the method for verifying the correctness of the scanned consumption information code is as follows: and the intelligent terminal decrypts the received consumption factor by using the product private key, and compares and verifies the decrypted consumption factor with a part of keys in the scanned consumption information code.
Further, in step c.3), if the verification is passed, the intelligent terminal displays the content in the product certificate and prompts that the consumption is successful, then generates a random number r, signs the random number r and the product certificate by using the product private key to generate a consumption certificate, and sends the consumption certificate to the anti-counterfeiting center; and the anti-counterfeiting center marks the corresponding product in the product database as consumed according to the received consumption certificate.
Further, the consumption factor is encrypted data, namely, a random number is generated, and is connected with a part of the secret key to form qualified grouping data, and a result obtained after the encryption of the public key of the product is the consumption factor.
Further, the anti-counterfeiting center generates the public-private key pair by utilizing a public key cryptographic algorithm, and the public-private key pair is used as a manufacturer key of the manufacturer and signs a manufacturer certificate; generating a random number as a product private key, and calculating the product public key by using a public key cryptographic algorithm; the public key cryptographic algorithm is an SM2 algorithm.
The invention has the following advantages:
1. the problem that the two-dimension code is easy to copy in the traditional two-dimension code commodity anti-counterfeiting scheme is solved, and an attacker can sell the copied genuine two-dimension code attached to the fake commodity;
2. the centralized anti-counterfeiting authentication mechanism is introduced, so that the scheme has high universality and can be applied to different products of different factories.
Drawings
Fig. 1 is a flow chart of the present invention.
Fig. 2 is a detailed algorithm flow of the present invention.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings, which are given by way of illustration only and are not intended to limit the scope of the invention.
The fluid of the anti-counterfeiting method based on the intelligent terminal and the double information codes is shown in fig. 1, and the main steps comprise:
A. registering:
A.1. the anti-counterfeiting center generates different product anti-counterfeiting information codes and consumption information codes for each product needing anti-counterfeiting by utilizing the random number and the authentication algorithm, and sends the product anti-counterfeiting information codes and the consumption information codes to qualified product manufacturers in pairs.
A.2 manufacturer generates an internal unique product number for the product needing anti-counterfeiting, and adheres an anti-counterfeiting information code to the product outer package, and the corresponding consumption information code is placed in the product package to ensure that the product is invisible before unpacking.
And A.3, the manufacturer sends the product numbers, the product information, the corresponding anti-counterfeiting information codes and the corresponding consumption information codes of all the products needing anti-counterfeiting to the anti-counterfeiting center.
A.4 anti-counterfeiting center checks whether the received information code is correct or not, including whether the information code is used or not. If the data is correct, generating relevant credentials according to the product information, and storing all the data into a product database.
B. Purchase or order step:
and B.1, the product purchaser informs the product seller of the communication contact information of the intelligent terminal, and the product seller sends the communication contact information of the purchaser and the product number of the ordered product to the anti-counterfeiting authentication center.
And B.2, searching a database by the anti-counterfeiting center, and transmitting a product certificate and an anti-counterfeiting verification method of the purchased product to an intelligent terminal of the product purchaser through a communication contact way of the purchaser after confirming that the product number is available.
C. And (3) verification:
code scanning: the purchaser of the product uses his own intelligent terminal to scan the anti-counterfeiting information code attached to the outer package of the product.
And (3) verification: the intelligent terminal verifies the correctness of the verification information code according to the obtained anti-counterfeiting verification method, so that the authenticity of the product is obtained. The verification function of the traditional two-dimension code is provided by the manufacturer, if the anti-counterfeiting two-dimension code is copied and attached to a fake product, a purchaser still obtains a verification result of a genuine product when verifying the anti-counterfeiting two-dimension code; the invention is improved in that when a purchaser purchases a product, one anti-counterfeiting information code is copied for a plurality of copies, after one of the anti-counterfeiting authentication centers is recorded as a sold state, other anti-counterfeiting information codes cannot be recorded, that is, the rest of the product cannot be purchased; meanwhile, the recording behavior is carried out by the seller, so that the anti-counterfeiting authentication center can be rapidly positioned to the seller with repeated recording, and related departments can conveniently strike the counterfeiting behavior.
And (3) displaying: the intelligent terminal displays the real information of the product to the user, and prompts the user to finish the consumption scanning verification to ensure that the product is genuine. The security can be improved by scanning the consumption information code again, for example, only the anti-counterfeiting information code on the outer package of the product can be reserved by a counterfeiter, the product in the package is replaced by a counterfeit product, and a purchaser only verifies the anti-counterfeiting information code and cannot know that the product is exchanged; the consumption information code in the outer package can reduce the occurrence probability of the condition, such as selling wine, the anti-counterfeiting information code is attached to the paper packaging box, and the consumption information code is attached to the wine bottle, so that the wine bottle can be prevented from being exchanged; meanwhile, after the purchaser performs consumption verification on the product, the anti-counterfeiting authentication center marks the product as consumed in a database, so that the behavior that counterfeiters recover genuine products to package and load the genuine products into the counterfeits, such as the behavior that rare wine bottles are recovered to be refilled, can be hit.
Consumption: after the purchaser opens the package, the intelligent terminal scans the consumption information code in the package, and the correctness of the consumption information code is verified. If not, it is indicated that the product is not authentic. If so, the success of the consumption is prompted.
The anti-fake information code and the consumption information code are composed of a code identifier, an access control code, a partial key and an authentication code. Wherein the access control code and the partial key are random numbers; the authentication code is generated by the anti-counterfeiting center through a unique key, an anti-counterfeiting authentication center certificate capable of completing correctness checking comprises anti-counterfeiting authentication center related information signed by a private key of the anti-counterfeiting authentication center, and a purchaser can decrypt the information code by using a public key of the anti-counterfeiting authentication center when scanning the information code, so that the information code is issued by the anti-counterfeiting authentication center.
The process of generating the product credential by the anti-counterfeiting center in the product registration step comprises (1) generating a public-private key pair and generating a manufacturer certificate for a qualified manufacturer; (2) A random number is generated as a product private key, and a product public key is calculated. The product certificate containing the product public key is then signed with a cryptographic hash function and the key of the manufacturer certificate based on the product information. And (3) exclusive-or the private key of the product and the partial key in the anti-counterfeiting information code to obtain the partial key of the product, and storing the partial key and other information into a database.
In the purchasing and ordering steps, the verification method for sending the anti-counterfeiting center to the purchaser comprises the following steps: part of the key of the product, consumption factors, detailed information links of the manufacturer and a download website of the compliance verification APP.
The consumption factor is encrypted data, namely a random number is generated, the encrypted data is connected with a part of secret key to form qualified grouping data, and the result obtained after the encryption of the public key of the product is the consumption factor.
The verification method in the verification step is that after the partial secret key in the anti-counterfeiting information code is exclusive-or with the partial secret key sent to the user by the anti-counterfeiting center, the public key of the product is calculated and is compared with the public key in the product certificate, and if the public keys are not equal, the product verification is not passed. And if the verification is passed, displaying the preliminary verification and reminding the user of verifying the consumption information code in the package.
The verification method in the consumption step is that during consumption, the intelligent terminal of the purchaser decrypts the received consumption factor by utilizing the product private key, the low-order 128bits are compared with a part of secret keys in the consumption information code (the low-order 128bits of the decrypted consumption factor is the low-order 128bits of the part of secret keys, the total of the part of secret keys is 256bits, the 128bits can be matched with the part of secret keys, so that the safety is very high, compared with the whole comparison of 256bits, the time and the space can be saved, meanwhile, the addition of the 128bits random number can play a role of confusion, the difficulty of counterfeiting the consumption two-dimensional code is further improved), and if the two-dimensional code is equal, the content in the product certificate is displayed to the user, and the success of consumption is prompted. The random number is generated, the product private key is used for signing the random number and the product certificate, and the consumption certificate is synthesized. The consumption certificate proves that the product is consumed, and the anti-counterfeiting authentication center can not process the verification and consumption request of the product, so that the possibility of recycling the product package by counterfeiters is avoided.
The anti-counterfeiting authentication center uses a public key cryptographic algorithm to generate a public-private key pair as a product public-private key pair, splices product information with the product public key, uses a password hash function to obtain a hash value, and uses a manufacturer private key to sign the hash value to obtain a product certificate. The verifier can decrypt the product certificate by using the manufacturer public key to obtain a hash value, calculates the hash value after the product information and the product public key are spliced by using the password hash function, and compares the two hash values so as to verify the correctness of the product certificate.
The public key cryptographic algorithm is an SM2 algorithm, and the cryptographic hash function is an SM3 algorithm.
Although specific embodiments of the invention have been disclosed for illustrative purposes, it will be appreciated by those skilled in the art that the invention may be implemented with the help of a variety of examples: various alternatives, variations and modifications are possible without departing from the spirit and scope of the invention and the appended claims. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will have the scope indicated by the scope of the appended claims.

Claims (10)

1. An anti-counterfeiting method based on an intelligent terminal and a dual information code comprises the following steps:
a) Registering:
a.1 The anti-counterfeiting center generates an anti-counterfeiting information code and a consumption information code for each product needing anti-counterfeiting and sends the anti-counterfeiting information code and the consumption information code to a producer of the corresponding product;
a.2 The producer generates a product number for the produced product needing anti-counterfeiting, the received anti-counterfeiting information code is arranged on the outer package of the product, and the consumption information code is arranged in the product package, so that the consumption information code is invisible before the product package is disassembled;
a.3 The producer sends the product numbers, the product information, the corresponding anti-counterfeiting information codes and the corresponding consumption information codes of all the products needing anti-counterfeiting to the anti-counterfeiting center;
a.4 The anti-counterfeiting center checks whether the received information code is correct, if so, a corresponding product certificate is generated according to the product information, and the product number, the product information, the corresponding anti-counterfeiting information code, the consumption information code and the product certificate of the product are stored in a product database;
b) Purchase or order step:
b.1 The product purchaser informs the product seller of the own communication mode, and the product seller sends the communication mode of the purchaser and the ordered product number to the anti-counterfeiting authentication center;
b.2 The anti-counterfeiting center searches the product database, binds the communication mode of the purchaser with the corresponding product number after confirming the product number of the purchased product, and sends the product certificate and the anti-counterfeiting verification method of the purchased product to the intelligent terminal of the purchaser of the product;
c) And (3) verification:
c.1 Using the intelligent terminal to operate and install an anti-counterfeiting program according to the prompt of an anti-counterfeiting verification method, and scanning an anti-counterfeiting information code on the outer package of the product;
c.2 Using the intelligent terminal to scan the anti-counterfeiting information code on the outer package of the product, and verifying the scanned anti-counterfeiting information code according to the password calculation, and prompting to execute the step C.3) if the scanned anti-counterfeiting information code passes the verification;
c.3 Scanning a consumption information code in the product package by using the intelligent terminal and calculating and verifying the correctness of the scanned consumption two-dimensional code according to the obtained password; if the verification is passed, the verification is prompted to be genuine.
2. The method of claim 1, wherein the anti-counterfeiting information code and the consumption information code each comprise a code identification, an access control code, a partial key, and an authentication code; the access control code and part of the secret key are random numbers, and the authentication code is generated by the anti-counterfeiting center to be used for completing the password redundancy error detection code for checking the correctness.
3. The method of claim 1, wherein the method of the anti-counterfeiting center generating the corresponding credential according to the product information comprises: 1) Generating a public-private key pair as a manufacturer key of the manufacturer and signing a manufacturer certificate; 2) Generating a random number as a product private key, and calculating a product public key; then signing a product certificate containing the product public key by using a key of the manufacturer certificate according to the product information; and then carrying out exclusive or on the product private key and the partial key in the anti-counterfeiting two-dimensional code to obtain the partial key of the product.
4. The method of claim 1, wherein the information in the anti-counterfeit authentication method comprises: part of the key of the product, the consumption factor, the detailed information link of the manufacturer and the download website of the verification APP.
5. The method according to claim 3 or 4, wherein in step c.2), the method of verifying the scanned security information code is: and after exclusive or is carried out on the partial secret key in the anti-counterfeiting two-dimensional code and the partial secret key sent by the anti-counterfeiting center, the public key of the product is calculated and is compared with the public key in the product certificate, if the public key is consistent with the public key, the verification is passed, and otherwise, the verification is not passed.
6. The method according to claim 5, wherein in step c.3), the method for verifying the correctness of the scanned consumption two-dimensional code is as follows: and the intelligent terminal decrypts the received consumption factor by using the product private key, compares the decrypted consumption factor with the lower 128bits of the partial key in the scanned consumption two-dimensional code, and passes the verification if the decrypted consumption factor is the same as the lower 128bits of the partial key in the scanned consumption two-dimensional code.
7. The method according to claim 6, wherein in step c.3), if the verification is passed, the intelligent terminal displays the content in the product certificate and prompts that the consumption is successful, then generates a random number r, signs the random number r and the product certificate with the product private key to generate a consumption certificate, and sends the consumption certificate to the anti-counterfeiting center; and the anti-counterfeiting center marks the corresponding product in the product database as consumed according to the received consumption certificate.
8. The method of claim 4, wherein the consumption factor is encrypted data, i.e., a random number is generated, and the encrypted data is connected with a part of the key to form a qualified packet data, and the result obtained after the encryption with the product public key is the consumption factor.
9. A method according to claim 3, wherein the anti-counterfeit centre generates the public-private key pair using a public-key cryptographic algorithm as the manufacturer key for the manufacturer and signs a manufacturer certificate; the public key cryptographic algorithm is an SM2 algorithm.
10. The method of claim 1, wherein the information code is a two-dimensional code.
CN202310363667.7A 2023-04-06 2023-04-06 Anti-counterfeiting method based on intelligent terminal and double information codes Pending CN116451730A (en)

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CN202310363667.7A CN116451730A (en) 2023-04-06 2023-04-06 Anti-counterfeiting method based on intelligent terminal and double information codes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310363667.7A CN116451730A (en) 2023-04-06 2023-04-06 Anti-counterfeiting method based on intelligent terminal and double information codes

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CN116451730A true CN116451730A (en) 2023-07-18

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