CN112748890A - Printing method and printing system for consumable anti-counterfeiting - Google Patents
Printing method and printing system for consumable anti-counterfeiting Download PDFInfo
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
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- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
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- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1278—Dedicated interfaces to print systems specifically adapted to adopt a particular infrastructure
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Abstract
A printing method and system for consumable anti-counterfeiting comprises the following steps: 1) the printer acquires an anti-counterfeiting code of the anti-counterfeiting label, generates an application code, encrypts the application code and sends the application code to the cloud end, the length information of consumables is obtained after verification is passed, and printing is finished when verification fails; 2) the cloud end generates an encrypted mileage activation code according to the length information and sends the mileage activation code to the printer; 3) the printer decrypts the mileage activation code, verifies whether the mileage activation code is true or false, extracts length information after the mileage activation code is correct, and adds the length information to the authorized mileage; 4) starting printing, if the authorized mileage is more than zero, executing a printing task, otherwise, entering the step 5); 5) and reminding that the printing cannot be performed. The invention can guide the user to use the genuine consumables, reduce the trouble of the user as much as possible, encrypt the mileage activation code, and reduce the calculation amount during decoding without encrypting the printing data.
Description
Technical Field
The invention relates to the field of printers, in particular to a printing method and a printing system for consumable anti-counterfeiting.
Background
In daily life and work affairs of people, a large amount of printing equipment is needed, and printing consumables also become expendable supplies which need to be replaced frequently. A common printer manufacturer provides a printing consumable matched with a printing apparatus for a user to use. But along with the market of printing consumables is bigger and bigger, many illegal producers imitate printing consumables, have brought huge loss to former producer, simultaneously, because the consumer is difficult to distinguish true and false, these forged printing consumables bring the harm to printing equipment very easily, also bring the loss for the consumer simultaneously.
The method for carrying out anti-counterfeiting identification on printing consumables appears in the market, for example, the ink-jet printer realizes the verification of genuine consumables through RFID, an encryption chip and the like and printer communication, however, the RFID, the encryption chip and the like can increase the cost of hardware and consumables, and are easy to crack by a third party.
Disclosure of Invention
The invention mainly aims to overcome the defects in the prior art, and provides a consumable anti-counterfeiting printing method and a consumable anti-counterfeiting printing system, which can realize quick and convenient anti-counterfeiting consumable identification and are not easy to crack by counterfeiters.
The invention adopts the following technical scheme:
a printing method for consumable anti-counterfeiting is characterized in that: sticking an anti-counterfeit label on the printing consumable; the method for printing the preset authorized mileage in the printer comprises the following steps:
1) the printer acquires the anti-counterfeiting code of the anti-counterfeiting label, generates an application code, encrypts the application code and then directly or indirectly sends the application code to the cloud for verification, the length information of consumables is obtained after verification is passed, and printing is finished when verification fails;
2) the cloud end generates an encrypted mileage activation code according to preset mileage information, directly or indirectly sends the encrypted mileage activation code to the printer, and the length information corresponding to the printing consumables is updated to the length information obtained by subtracting the authorized mileage;
3) the printer decrypts the mileage activation code, verifies whether the mileage activation code is true or false, extracts the mileage information after the mileage activation code is determined to be correct, and adds the mileage information to the authorized mileage;
4) starting printing, if the authorized mileage is more than zero, executing a printing task, otherwise, entering the step 5);
5) judging whether the length information stored in the cloud is larger than zero, if so, returning to 2); if not, reminding that the printing cannot be performed.
Preferably, the anti-counterfeit label is a bar code, an RFID label, an NFC label, or an IC chip, and is attached to the printing consumable body or the package.
Preferably, the anti-counterfeiting code is obtained by encoding the identification information of the printing consumables by adopting a predetermined encoding algorithm.
Preferably, in the step 1), the printer generates a string of random values and mixes the random values with the anti-counterfeiting code to obtain an application code, and the application code is encrypted by the printer through a preset public key and then directly or indirectly sent to the cloud end; the cloud end decrypts according to a preset private key to obtain an application code, decodes the application code to obtain the identity identification information of the consumable, and verifies the authenticity of the printing consumable according to the identity identification information.
Preferably, in the step 2), the cloud end mixes the decrypted application code with preset mileage information and obtains an encrypted mileage activation code through private key encryption; in the step 3), the printer obtains the mileage activation code through public key decryption, verifies the sequencing rule and the random value of the mileage activation code to determine whether the mileage activation code is positive or false, and extracts the mileage information after the mileage activation code is determined to be correct.
Preferably, an initial value of the number of times of use of each application code is preset to be zero, in the step 1), when the application code is verified at the cloud, the application code is obtained by decryption, whether the number of times of use of the application code is greater than the preset value or not is firstly judged, if yes, the verification fails, the printing is finished, and if not, the verification is continued; in the step 2), when the cloud sends the mileage activation code to the printer, the number of times of use of the application code is increased by 1.
Preferably, in the step 1), the printer directly reads the anti-counterfeit label to obtain the anti-counterfeit code, or scans the anti-counterfeit label on the printing consumables through the mobile terminal to obtain the anti-counterfeit code, and sends the anti-counterfeit code to the printer.
Preferably, the indirect sending in step 1) or step 2) is to implement data interaction between the printer and the cloud through the mobile terminal.
The utility model provides a printing system that consumptive material was anti-fake which characterized in that: comprises that
Printing consumables, and sticking an anti-counterfeiting label;
the printer presets authorized mileage, generates an application code according to the anti-counterfeiting code, encrypts the application code and then directly or indirectly sends the application code to the cloud for verification and connection; decrypting according to the mileage activation code, verifying whether the mileage activation code is true or false, extracting mileage information after the mileage activation code is determined to be correct, and adding the mileage information and authorized mileage; when printing is started, if the authorized mileage is more than zero, executing a printing task, and if the authorized mileage is not more than zero, acquiring mileage information again;
the cloud end is verified according to the anti-counterfeiting code, the length information of the consumable is obtained after the verification is passed, the encrypted mileage activation code is generated according to the preset mileage information and is directly or indirectly sent to the printer, and the length information corresponding to the printing consumable is updated to be the length information after the authorized mileage is subtracted.
Preferably, the mobile terminal is further arranged and used for scanning the anti-counterfeiting label on the printing consumables to obtain the anti-counterfeiting code and sending the anti-counterfeiting code to the printer; and data interaction between the printer and the cloud is realized.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:
1. according to the method and the system, authorized mileage is preset in the printer, when printing is started, if the authorized mileage is larger than zero, a printing task is executed, otherwise, an application code is generated according to an anti-counterfeiting code and is sent to the cloud to verify the authenticity of printing consumables, length information is obtained to increase the authorized mileage to guide a user to use the genuine consumables, the trouble of the user is reduced as much as possible, the mileage activation code is encrypted, printing data does not need to be encrypted, and the calculation amount of the printer during decoding is reduced.
2. According to the method and the system, the anti-counterfeiting label is a bar code, an RFID label, an NFC label or an IC chip, can be attached to the printing consumable body or the package and the like, and can be set as required to meet different requirements.
3. According to the method and the system, the anti-counterfeiting code is obtained by encoding the identity identification information of the printing consumables by adopting a preset encoding algorithm, and the cloud end can just encode the algorithm as required, so that a third party is prevented from cracking the encoding rule, and the anti-counterfeiting code is imitated.
4. According to the method and the system, the printer generates a string of random values and mixes the random values with the anti-counterfeiting code to obtain the application code, the cloud decrypts the application code according to the preset private key to obtain the identification information of the consumable, the identity information of the consumable is decoded to obtain the authenticity of the printing consumable, the verification information is encrypted according to the identification information, the safety is improved, the encryption algorithm and the verification rule can be changed as required, and the decryption difficulty is improved.
5. The method and the system can preset the use times of each application code, soft control users such as anti-counterfeiting codes can be repeatedly scanned, and hard warning third-party consumable material factories such as code batch can not be repeatedly used.
6. According to the method and the system, the printer directly reads the anti-counterfeiting label to obtain the anti-counterfeiting code, or the anti-counterfeiting label on the printing consumable is scanned by the mobile terminal to obtain the anti-counterfeiting code and then the anti-counterfeiting code is sent to the printer, namely the communication medium is unlimited and more flexible.
7. According to the method and the system, data interaction between the printer and the cloud can be realized through the mobile terminal, the communication processes are all in an almost irreversible encryption state, only the cloud and the printer can decode the communication data, the mobile terminal serving as a traditional data channel cannot pass through the cloud for authorization, and the authorization process cannot be broken even if a server of the cloud is disguised, the mobile terminal is ROOT and the printer is monitored, so that the safety is improved.
Drawings
FIG. 1 is a flow chart of the generation of anti-counterfeit codes according to the present invention;
FIG. 2 is a flow chart of anti-counterfeit verification of printing consumables and obtaining length information;
FIG. 3 is a flow chart of authorized mileage based printing.
The invention is described in further detail below with reference to the figures and specific examples.
Detailed Description
The invention is further described below by means of specific embodiments.
A printing method for consumable anti-counterfeiting is disclosed, wherein an anti-counterfeiting label is pasted on a printing consumable; the method for printing the preset authorized mileage in the printer comprises the following steps:
1) the printer acquires the anti-counterfeiting code of the anti-counterfeiting label, generates the application code, encrypts the application code, directly or indirectly sends the application code to the cloud for verification, obtains the length information of the consumable after verification is passed, and finishes printing when verification fails.
Referring to fig. 1, in this step, the anti-counterfeit code is obtained by encoding, by the cloud, the identification information of the printing supplies by using a predetermined encoding algorithm, where the identification information may be an SN production serial number, and the anti-counterfeit code may be an MD5 value if the predetermined encoding algorithm may be an MD5 digest algorithm. In the invention, the coding algorithm is not limited to the above, and the cloud can change the generation rule of the anti-counterfeiting code on the printing consumables at any time, thereby improving the cracking difficulty.
The anti-counterfeiting code is made into an anti-counterfeiting label which can be a bar code, an RFID label, an NFC label or an IC chip and is attached to the printing consumable body or the package. The printer can directly read the anti-counterfeit label to obtain the anti-counterfeit code, or scan the anti-counterfeit label on the printing consumables through the mobile terminal to obtain the anti-counterfeit code, and then send the anti-counterfeit code to the printer. The mobile terminal is provided with an APP (application) matched with the printer, and can be an intelligent mobile terminal such as a mobile phone, an IPAD (internet protocol ad), a PDA (personal digital assistant) and the like.
In the step, the printer generates a string of random values and mixes the random values with the anti-counterfeiting code to obtain an application code, and the application code is directly or indirectly sent to the cloud after being encrypted by a preset public key; the cloud obtains the application code according to the decryption of preset private key, obtains the identification information of consumptive material after decoding, verifies the true and false of printing consumptive material according to this identification information. Namely, acquiring manufacturer information, length information and the like of the printing supplies according to the identity identification information; and if the relevant information cannot be acquired, the verification fails.
In the present invention, the application code may be encrypted or decrypted by using an asymmetric encryption algorithm, but is not limited thereto.
2) The cloud end generates an encrypted mileage activation code according to the length information, and directly or indirectly sends the mileage activation code to the printer.
Referring to fig. 2, in this step, the cloud mixes the decrypted application code with length information, and obtains an encrypted mileage activation code through private key encryption. The encrypted mileage activation code has a random value, an anti-counterfeiting code, length information and the like.
3) The printer decrypts the mileage activation code, verifies whether the mileage activation code is true or false, extracts the length information after the mileage activation code is determined to be correct, and adds the length information to the authorized mileage.
Specifically, the printer obtains the mileage activation code through public key decryption, verifies the sequencing rule and the random value of the mileage activation code to determine whether the mileage activation code is positive or false, and extracts the length information after the mileage activation code is determined to be correct. Comparing the mileage activation code with the random value generated in the step 1), and if the mileage activation code is consistent with the random value and the sorting rule is correct, the mileage activation code is correct. In the present invention, the length information may be a total length of paper printable by the printing supplies.
4) And (5) starting printing, if the authorized mileage is more than zero, executing a printing task, and otherwise, entering the step 5).
5) And reminding that printing cannot be performed, replacing new printing consumables, performing anti-counterfeiting verification and acquiring corresponding length information.
Referring to the printing flow chart of fig. 3, a document can be selected through a mobile terminal or other terminals, a print preview is entered, a printer is connected, printing is started, the printer determines whether the authorized mileage is greater than zero, if yes, a data sending stage is entered, the mobile terminal issues printing data, the printer performs printing, and printing is finished after printing is finished. And if the authorized mileage is less than or equal to zero, reminding that printing cannot be performed, replacing new printing consumables, performing anti-counterfeiting verification and acquiring corresponding length information, namely entering the step 1).
Further, in the invention, an initial value of the number of times of use of each application code is preset to be zero, in the step 1), when the application code is verified at the cloud, the application code is obtained by decryption, whether the number of times of use of the application code is greater than the preset value or not is firstly judged, if so, the repeated verification is carried out, the verification fails, the printing is finished, and if not, the identity identification information is continuously verified; in the step 2), when the cloud sends the mileage activation code to the printer, the number of times of use of the application code is increased by 1.
The preset value of the using times can be set to be 1 according to the requirement, namely, the length information is obtained only when the code is scanned for the first time, and the authorized mileage is further obtained; or 2, namely the second code scanning can also acquire the length information again so as to continue to increase the authorized mileage, which is to relax the control on the user behavior, and when an accident happens, the authorized mileage is still insufficient, the length information can be acquired by repeatedly scanning the code, and the printer is authorized to complete printing.
In the invention, the indirect sending in the step 1) or the step 2) means that the data interaction between the printer and the cloud is realized through the mobile terminal. Namely, in the step 1), the printer encrypts the application code through a preset public key and then sends the application code to the mobile terminal, and the mobile terminal sends the application code to the cloud. And in the step 2), the cloud sends the mileage activation code to the mobile terminal, and the mobile terminal sends the mileage activation code to the printer. The mobile terminal and the printer can be realized through Bluetooth communication or wifi communication and the like, and the selection is carried out according to the requirement without limitation.
The invention also provides a consumable anti-counterfeiting printing system, which comprises the following devices:
the printing consumables are pasted with an anti-counterfeit label, and the anti-counterfeit label can be positioned on the printing consumables body or on the package.
The printer presets authorized mileage, generates an application code according to the anti-counterfeiting code, encrypts the application code and then directly or indirectly sends the application code to the cloud for verification and connection; decrypting according to the mileage activation code, verifying whether the mileage activation code is true or false, extracting length information after the mileage activation code is determined to be correct, and adding the length information and the authorized mileage; when the printing is started, if the authorized mileage is larger than zero, executing a printing task, otherwise, printing can not be performed.
And the cloud end is used for verifying according to the anti-counterfeiting code, obtaining the length information of the consumable after the verification is passed, generating an encrypted mileage activation code according to the length information, and directly or indirectly sending the mileage activation code to the printer.
The system can also be provided with a mobile terminal, and is used for scanning the anti-counterfeiting label on the printing consumables to obtain the anti-counterfeiting code and sending the anti-counterfeiting code to the printer; and data interaction between the printer and the cloud is realized.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (10)
1. A printing method for consumable anti-counterfeiting is characterized in that: sticking an anti-counterfeit label on the printing consumable; the method for printing the preset authorized mileage in the printer comprises the following steps:
1) the printer acquires the anti-counterfeiting code of the anti-counterfeiting label, generates an application code, encrypts the application code and then directly or indirectly sends the application code to the cloud for verification, the length information of consumables is obtained after verification is passed, and printing is finished when verification fails;
2) the cloud end generates an encrypted mileage activation code according to the length information and directly or indirectly sends the mileage activation code to the printer;
3) the printer decrypts the mileage activation code, verifies whether the mileage activation code is true or false, extracts length information after the mileage activation code is determined to be correct, and adds the length information to the authorized mileage;
4) starting printing, if the authorized mileage is more than zero, executing a printing task, otherwise, entering the step 5);
5) and reminding that the printing cannot be performed.
2. The printing method for consumable anti-counterfeiting according to claim 1, characterized in that: the anti-counterfeit label is a bar code, an RFID label, an NFC label or an IC chip and is attached to the printing consumable body or the package.
3. The printing method for consumable anti-counterfeiting according to claim 1, characterized in that: the anti-counterfeiting code is obtained by encoding the identity identification information of the printing consumables by adopting a preset encoding algorithm.
4. The printing method for consumable anti-counterfeiting according to claim 1, characterized in that: in the step 1), the printer generates a string of random values and mixes the random values with the anti-counterfeiting code to obtain an application code, and the application code is directly or indirectly sent to the cloud after being encrypted by a preset public key; the cloud end decrypts according to a preset private key to obtain an application code, decodes the application code to obtain the identity identification information of the consumable, and verifies the authenticity of the printing consumable according to the identity identification information.
5. The printing method for consumable anti-counterfeiting according to claim 1, characterized in that: in the step 2), the cloud end mixes the decrypted application code with length information and obtains an encrypted mileage activation code through private key encryption; in the step 3), the printer obtains the mileage activation code through public key decryption, verifies the sequencing rule and the random value of the mileage activation code to determine whether the mileage activation code is positive or false, and extracts the length information after the mileage activation code is determined to be correct.
6. The printing method for consumable anti-counterfeiting according to claim 1, characterized in that: presetting an initial value of the number of times of use of each application code to be zero, in the step 1), decrypting to obtain the application code during cloud verification, firstly judging whether the number of times of use of the application code is greater than the preset value, if so, failing to verify, ending printing, and if not, continuing to verify; in the step 2), when the cloud sends the mileage activation code to the printer, the number of times of use of the application code is increased by 1.
7. The printing method for consumable anti-counterfeiting according to claim 1, characterized in that: in the step 1), the printer directly reads the anti-counterfeit label to obtain the anti-counterfeit code, or scans the anti-counterfeit label on the printing consumable to obtain the anti-counterfeit code through the mobile terminal, and sends the anti-counterfeit code to the printer.
8. The printing method for consumable anti-counterfeiting according to claim 1, characterized in that: the indirect sending in the step 1) or the step 2) means that data interaction between the printer and the cloud is realized through the mobile terminal.
9. The utility model provides a printing system that consumptive material was anti-fake which characterized in that: comprises that
Printing consumables, and sticking an anti-counterfeiting label;
the printer presets authorized mileage, generates an application code according to the anti-counterfeiting code, encrypts the application code and then directly or indirectly sends the application code to the cloud for verification and connection; decrypting according to the mileage activation code, verifying whether the mileage activation code is true or false, extracting length information after the mileage activation code is determined to be correct, and adding the length information and the authorized mileage; when printing is started, if the authorized mileage is more than zero, executing a printing task, otherwise, printing cannot be performed;
and the cloud end is used for verifying according to the anti-counterfeiting code, obtaining the length information of the consumable after the verification is passed, generating an encrypted mileage activation code according to the length information, and directly or indirectly sending the mileage activation code to the printer.
10. A consumable anti-counterfeiting printing system according to claim 9, wherein: the mobile terminal is used for scanning the anti-counterfeiting label on the printing consumables to obtain anti-counterfeiting codes and sending the anti-counterfeiting codes to the printer; and data interaction between the printer and the cloud is realized.
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| CN113836516A (en) * | 2021-09-13 | 2021-12-24 | 北京安御道合科技有限公司 | Printer selenium drum anti-counterfeiting and printing frequency protection system and method |
| CN113849139A (en) * | 2021-08-26 | 2021-12-28 | 苏州工业园区鑫海胜电子有限公司 | Consumable management method and system and printing device |
| CN117094739A (en) * | 2023-10-16 | 2023-11-21 | 湖南半岛医疗科技有限公司 | Medical consumable counterfeit identification method and device, electronic equipment and readable storage medium |
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