CN108009416A - Consumptive material authentication device and method based on RF tag - Google Patents
Consumptive material authentication device and method based on RF tag Download PDFInfo
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- CN108009416A CN108009416A CN201711250295.8A CN201711250295A CN108009416A CN 108009416 A CN108009416 A CN 108009416A CN 201711250295 A CN201711250295 A CN 201711250295A CN 108009416 A CN108009416 A CN 108009416A
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- 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
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/34—User authentication involving the use of external additional devices, e.g. dongles or smart cards
- G06F21/35—User authentication involving the use of external additional devices, e.g. dongles or smart cards communicating wirelessly
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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- Computer Security & Cryptography (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
Consumptive material authentication device and method provided by the invention based on RF tag, including：Main control unit,Radio frequency reading unit and RF tag,The RF tag presets encryption data data1 and customizing messages,In the consumptive material certification based on RF tag,The main control unit calculates the access key for obtaining the RF tag by using presetting encryption data data1 identical algorithms with the RF tag ID is encrypted,The radio frequency reading unit is obtained by above-mentioned key accesses the authority for obtaining the RF tag,And read the corresponding encryption data of the RF tag,The main control unit obtains this encryption data by the radio frequency reading unit,It is decrypted and compares again,Complete the certification of consumptive material,Consumptive material authentication device provided by the invention based on RF tag,It is simple in structure,It is easy to operate,Configure convenient, flexible,Provide the authentication that should be paid one's bill,Confidentiality protection,Integrality,Validity and can not tamper authentication function,Possesses good adaptability and practicality.
Description
Technical field
The invention belongs to security technology area, more particularly to consumptive material authentication device and method based on RF tag.
Background technology
The equipment such as water purifier, air purifier, printer usually need replacing consumptive material.The consumptive material difficulty of in the market personation distinguishes true
It is pseudo- so that consumer's interests are damaged, and directly affect company interest.Trusted authentication chip is used to carry out on consumptive material false proof, still
Its cost of implementation is higher, and has difficulties in power supply and consumptive material structure design.Item authentication is carried out using universal RFID then to deposit
In following problems：It is low that UID (unique identity card number) tests pseudo-clone difficulty, and needs to connect product database, can not realize offline
Test puppet；Once single encrypted data key from stealing, loss is serious and key is easily replicated.
The content of the invention
It is an object of the invention to provide consumptive material authentication device and method based on RF tag, it is intended to solves due to existing
Technology can not provide a kind of the problem of safe and effective consumptive material authentication device and method based on RF tag.
On the one hand, the present invention provides a kind of consumptive material authentication device based on RF tag, described device to include：Master control list
Member, the radio frequency reading unit that is connected with the main control unit signal and be installed on the consumptive material and with radio frequency reading
The RF tag of cell signal connection, the RF tag preset encryption data data1 and customizing messages, wherein：
The radio frequency reading unit is used for the ID for reading the RF tag, and the ID is sent to the master control list
Member；
The main control unit is encrypted the ID calculating and obtains key KEY_A, and the main control unit passes through key K1
Instruction is read to certification and key data KEY_A is encrypted, produces encryption data E1, and the encryption data E1 is transmitted to
The radio frequency reading unit；Wherein, the ID is encrypted the algorithm for calculating and obtaining key KEY_A and using in the main control unit
The algorithm that encryption data data1 is preset with the RF tag is identical；
The radio frequency reading unit is decrypted the encryption data of acquisition according to the key K1, and by after decryption
Data the RF tag is authenticated and read and write as KEY_A, read encryption data preset in the RF tag
Data1 and customizing messages, and passed after the encryption data data1 of reading and customizing messages are encrypted with the key K1
Transport to the main control unit；
The main control unit is decrypted above-mentioned encryption data data1 and customizing messages according to the key K1, obtains
Data data1 after to decryption；
The main control unit is additionally operable to id information and customizing messages according to the radio frequency reading unit, passes through Encryption Algorithm
Encryption data data is calculated, and the encryption data data is compared with the data data1 after decryption, if two
Person is equal, and certification passes through；If the two is unequal, certification does not pass through.
On the other hand, present invention also offers the authentication method of the consumptive material authentication device based on RF tag, the method
Comprise the following steps：
Step S110：The radio frequency reading unit reads the ID of the RF tag, and the ID is sent to the master
Unit is controlled, the RF tag presets encryption data data1 and customizing messages；
Step S120：The main control unit is encrypted the ID calculating and obtains key KEY_A；Wherein, the master control
The ID is encrypted the algorithm for calculating the KEY_A uses of acquisition key in unit and the RF tag presets encryption data
The algorithm of data1 is identical；
Step S130：The main control unit reads instruction to certification by key K1 and key data KEY_A is encrypted,
Encryption data E1 is produced, and the encryption data E1 is transmitted to the radio frequency reading unit；
Step S140：The radio frequency reading unit is decrypted the encryption data of acquisition according to the key K1,
And the RF tag is authenticated and read and write using the data after decryption as KEY_A, read preset in the RF tag
Encryption data data1 and customizing messages, and by the encryption data data1 of reading and customizing messages with the key K1 into
The main control unit is transmitted to after row encryption；
Step S150：The main control unit according to the key K1 to above-mentioned encryption data data1 and customizing messages into
Row decryption, the data data1 after being decrypted；
Step S160：The main control unit passes through encryption according to the id information and customizing messages of the radio frequency reading unit
The encryption data data that algorithm is calculated with decryption after the data data1 be compared, if the two is equal certification lead to
Cross；If the two is unequal, certification does not pass through.
Consumptive material authentication device and method provided by the invention based on RF tag, including：Main control unit, radio frequency read single
Member and RF tag, the RF tag preset encryption data data1 and customizing messages, in the consumption based on RF tag
During material certification, the main control unit presets the identical algorithms of encryption data data1 to institute by using with the RF tag
State ID and the access key for calculating and obtaining the RF tag is encrypted, the radio frequency reading unit is visited by above-mentioned key
Ask the authority for obtaining the RF tag, and read the corresponding encryption data of the RF tag, the main control unit passes through institute
State radio frequency reading unit and obtain this encryption data, then be decrypted and compare, complete the certification of consumptive material, it is provided by the invention to be based on
The consumptive material authentication device of RF tag, simple in structure, easy to operate, configuration is convenient, flexible, there is provided the identity that should be paid one's bill is recognized
Card, Confidentiality protection, integrality, validity and can not tamper authentication function, possess good adaptability and practicality.
Brief description of the drawings
Fig. 1 is the realization principle figure for the consumptive material authentication device based on RF tag that the embodiment of the present invention one provides；
Fig. 2 is the structure diagram for the radio frequency reading unit 120 that a preferred embodiment of the invention provides.
Fig. 3 is that the consumptive material authentication device provided by Embodiment 2 of the present invention based on RF tag realizes flow chart.
Fig. 4 realizes flow for what a preferred embodiment of the present invention provided to RF tag progress initialization process
Figure.
Fig. 5 be a preferred embodiment of the present invention provide detection consumptive material whether be use first realize flow chart.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is described in detail below in conjunction with specific implementation of the specific embodiment to the present invention：
Embodiment one：
Fig. 1 shows the consumptive material authentication device 10 based on RF tag that the embodiment of the present invention one provides, for the ease of saying
Bright, illustrate only includes with the relevant part of the embodiment of the present invention, the consumptive material authentication device 10 based on RF tag：Main control unit
110th, the radio frequency reading unit 120 that is connected with 110 signal of main control unit and it is installed on the consumptive material and is penetrated with described
The RF tag 130 of 120 signal of frequency reading unit connection.
In some preferred embodiments, the main control unit 110 and the radio frequency reading unit 120 pass through data-interface
Communicate, the data-interface includes any one in IIC, SPI, UART, ISO7816,1-wire interface.
In some preferred embodiments, the radio frequency reading unit 120 uses near-field communication with the RF tag 130
Technical communication.Specifically, the near-field communication technology can use the related protocol of ISO14443 or ISO15693, can also adopt
With other near field communication protocols and technology.
The operation principle of consumptive material authentication device 10 provided by the invention based on RF tag described further below.
The radio frequency reading unit 120 reads the ID of the RF tag 130, and the ID is sent to the master control list
Member 110.
In the present embodiment, the main control unit 110 and the radio frequency reading unit 120 are led to by data-interface
Letter, the data-interface include any one in IIC, SPI, UART, ISO7816,1-wire interface.
In the present embodiment, the radio frequency reading unit 120 is led to the RF tag 130 using near-field communication technology
Letter.Specifically, the near-field communication technology can use the related protocol of ISO14443 or ISO15693, can also use other
Near field communication protocols and technology.
The main control unit 110 is encrypted the ID calculating and obtains key KEY_A, and the main control unit 110 passes through
Key K1 reads instruction to certification and key data KEY_A is encrypted, and produces encryption data E1, and the encryption data E1
It is transmitted to the radio frequency reading unit 120；Wherein, the main control unit 110 is encrypted the ID calculating and obtains key
The algorithm that KEY_A is used is identical with the algorithm that the RF tag 130 presets encryption data data1.
In the present embodiment, in the main control unit 110 and the communication process of the radio frequency reading unit 120, can also adopt
With coded communication, i.e., main control unit 110 and the radio frequency reading unit 120 preserve identical key K1, it is necessary to when transmitting data,
Data are encrypted using key K1.
Further, above-mentioned data are encrypted can use a variety of block encryption algorithms, as AES, DES, 3DES,
SM4, RC4 etc., can so protect the access key KEY_A and encryption data data1 of RF tag.
The radio frequency reading unit 120 is decrypted the encryption data of acquisition according to the key K1, and will solution
Data after close are authenticated and read and write to the RF tag as KEY_A, read preset in the RF tag 130 add
Ciphertext data data1 and customizing messages, and the encryption data data1 of reading and customizing messages are added with the key K1
The main control unit 110 is transmitted to after close.
In the present embodiment, the customizing messages include identification of the manufacturer number, the date of manufacture, first using mark, make first
Use the date.
In the present embodiment, encryption data data1 and customizing messages being preset in the RF tag 130 can pass through
Following methods are realized：
Step S10：Card sender reads the ID of RF tag 130, is calculated by Encryption Algorithm and obtains key data KEY_A；
In the present embodiment, above-mentioned encryption can use a variety of block encryption algorithms, such as AES, DES, 3DES, SM4, RC4.
Step S20：The key zone of key data KEY_A write-in RF tags 130 is set control block sum number by card sender
According to the control information of block so that RF tag 130 could access data after there was only key authentication；
Step S30：Card sender uses step S20：Id information and customizing messages, encryption number is calculated by Encryption Algorithm
According to data1；
Step S40：Card sender is authenticated using KEY_A, after certification success, by encryption data data1 and specific letter
Breath is written to radio frequency tag chip.
The main control unit is decrypted above-mentioned encryption data data1 and customizing messages according to the key K1, obtains
Data data1 after to decryption；
The main control unit 110 is calculated further according to the id information and customizing messages of the radio frequency reading unit 120 by encrypting
Encryption data data is calculated in method, and the encryption data data is compared with the data data1 after decryption, if
The two is equal, and certification passes through；If the two is unequal, certification does not pass through.
It is appreciated that certification is by the way that 110 host of main control unit continues to run with function, if not passing through if the two is equal
Then think the non-our factory's production of consumptive material, program is suspended and alerted.
Referring to Fig. 2, the structure diagram of the radio frequency reading unit 120 provided for a preferred embodiment of the invention.
The radio frequency reading unit 120 includes and the read head MCU121 of 110 signal of main control unit connection and the reading
The read head chip 122 that head MCU 121 is electrically connected and the transmitter unit 123 being electrically connected with the read head chip 122, institute
Transmitter unit 123 is stated to be connected with 130 signal of RF tag.Wherein：
The processing of read head MCU 121 and interface sequence and the data interaction of main control unit 110；Read head chip 122 completes radio frequency
Agreement, such as ISO 14443, the data encoding of ISO15693, decoding, modulation, demodulation, signal generation and signal receive.
Further, the transmitter unit 123 includes switch and the antenna 125 being electrically connected with the switch.
Specifically, the switch includes master switch 1241 and the switch-dividing being electrically connected with the master switch 1241
1242, and the switch-dividing is at least 2；Any one of switch-dividing 1242 is electrically connected with least two antenna.
It is appreciated that being made choice using switch-dividing 1242 to antenna, completed by antenna and the combination of read head chip 122
State read-write and authentication operation.
Simultaneously as the timesharing of the crosstalk antenna of each switch-dividing 1242 can use the interval of each switch-dividing to access, such as
Antenna 1, antenna 3, antenna 2, antenna 4 or antenna 1, antenna 4, antenna 2, antenna 3, so can effectively reduce same switch
Caused read-write wild effect when switching.
In embodiments of the present invention, should consumptive material authentication device based on RF tag each module can by corresponding hardware or
Software unit realizes that each unit can be independent soft and hardware unit, can also be integrated into a soft and hardware unit, herein not
To limit the present invention.Respectively the embodiment of the consumptive material authentication device based on RF tag refers to retouching for above-described embodiment
State, details are not described herein.
Embodiment two：
Fig. 3 shows the authentication method 20 of the consumptive material authentication device provided by Embodiment 2 of the present invention based on RF tag
Realize flow, for convenience of description, illustrate only and the relevant part of the embodiment of the present invention.
The embodiment of the present invention is described below, details are as follows：
In step s 201, the radio frequency reading unit 120 reads the ID of the RF tag 130, and the ID is sent out
The main control unit 110 is given, the RF tag 130 presets encryption data data1 and customizing messages.
In the present embodiment, the main control unit 110 and the radio frequency reading unit 120 are led to by data-interface
Letter, the data-interface include any one in IIC, SPI, UART, ISO7816,1-wire interface.
In the present embodiment, the radio frequency reading unit 120 is led to the RF tag 130 using near-field communication technology
Letter.Specifically, the near-field communication technology can use the related protocol of ISO14443 or ISO15693, can also use other
Near field communication protocols and technology.
In the present embodiment, the customizing messages include identification of the manufacturer number, the date of manufacture, first using mark, make first
Use the date.
Step S120：The main control unit 110 is encrypted the ID calculating and obtains key KEY_A；Wherein, the master
Control unit 110 and the ID is encrypted to calculate to obtain the algorithm that key KEY_A is used and preset with the RF tag 130 and add
The algorithm of ciphertext data data1 is identical；
In the present embodiment, in the main control unit 110 and the communication process of the radio frequency reading unit 120, can also adopt
With coded communication, i.e., main control unit 110 and the radio frequency reading unit 120 preserve identical key K1, it is necessary to when transmitting data,
Data are encrypted using key K1.
Further, above-mentioned data are encrypted can use a variety of block encryption algorithms, as AES, DES, 3DES,
SM4, RC4 etc., can so protect the access key KEY_A and encryption data data1 of RF tag.
Step S130：The main control unit 110 reads instruction to certification by key K1 and key data KEY_A adds
It is close, encryption data E1 is produced, and the encryption data E1 is transmitted to the radio frequency reading unit 120；
Step S140：The radio frequency reading unit 120 solves the encryption data of acquisition according to the key K1
It is close, and the RF tag 130 is authenticated and read and write using the data after decryption as KEY_A, read the RF tag
Preset encryption data data1 and customizing messages in 130, and by encryption data data1 and the customizing messages institute of reading
State and the main control unit 110 is transmitted to after key K1 is encrypted；
Step S150：The main control unit 110 is according to the key K1 to above-mentioned encryption data data1 and customizing messages
It is decrypted, the data data1 after being decrypted；
Step S160：The main control unit 110 leads to according to the id information and customizing messages of the radio frequency reading unit 120
Cross the encryption data data that Encryption Algorithm is calculated to be compared with the data data1 after decryption, if the two is equal
Certification passes through；If the two is unequal, certification does not pass through.
It is appreciated that certification is by the way that 110 host of main control unit continues to run with function, if not passing through if the two is equal
Then think the non-our factory's production of consumptive material, program is suspended and alerted.
Referring to Fig. 4, before step S110 is carried out, further include and initialization process is carried out to the RF tag, it is described
Initialization process comprises the following steps：
Step S10：Card sender reads the ID of RF tag 130, is calculated by Encryption Algorithm and obtains key data KEY_A；
In the present embodiment, above-mentioned encryption can use a variety of block encryption algorithms, such as AES, DES, 3DES, SM4, RC4.
Step S20：The key zone of key data KEY_A write-in RF tags 130 is set control block sum number by card sender
According to the control information of block so that RF tag 130 could access data after there was only key authentication；
Step S30：Card sender is added according to the id information and customizing messages of the RF tag by Encryption Algorithm to calculate
Ciphertext data data1；
Step S40：Card sender is authenticated using KEY_A, after certification success, by encryption data data1 and specific letter
Breath is written to radio frequency tag chip.
Referring to Fig. 5, after step S160 is completed, further include whether detection consumptive material is specific bag the step of use first
Include：
Step S1：After the completion of certification, it can carry out judging whether RF tag 130 uses first, if using first, master control
Unit 110 is read the time of clock chip, and using this date as the write-in RF tag 130 of use date first and by head
It is secondary to use flag set；
Step S2：If not using first, then use date first is read, according to time rule to determine whether terminating makes
With the time accumulation calculating that the time that time rule may be set to after use first adds up or used according to actually starting shooting.
Can be with one of ordinary skill in the art will appreciate that realizing that all or part of step in above-described embodiment method is
Relevant hardware is instructed to complete by program, the program can be stored in a computer read/write memory medium,
The storage medium, such as ROM/RAM, disk, CD.
Consumptive material authentication device and method provided by the invention based on RF tag, including：Main control unit, radio frequency read single
Member and RF tag, the RF tag preset encryption data data1 and customizing messages, in the consumption based on RF tag
During material certification, the main control unit presets the identical algorithms of encryption data data1 to institute by using with the RF tag
State ID and the access key for calculating and obtaining the RF tag is encrypted, the radio frequency reading unit is visited by above-mentioned key
Ask the authority for obtaining the RF tag, and read the corresponding encryption data of the RF tag, the main control unit passes through institute
State radio frequency reading unit and obtain this encryption data, then be decrypted and compare, complete the certification of consumptive material, it is provided by the invention to be based on
The consumptive material authentication device of RF tag, simple in structure, easy to operate, configuration is convenient, flexible, there is provided the identity that should be paid one's bill is recognized
Card, Confidentiality protection, integrality, validity and can not tamper authentication function, possess good adaptability and practicality.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of consumptive material authentication device based on RF tag, it is characterised in that described device includes：Main control unit, with it is described
The radio frequency reading unit and be installed on the consumptive material and connect with the radio frequency reading unit signal that main control unit signal connects
The RF tag connect, the RF tag preset encryption data data1 and customizing messages, wherein：
The radio frequency reading unit is used for the ID for reading the RF tag, and the ID is sent to the main control unit；
The main control unit is encrypted the ID calculating and obtains key KEY_A, and the main control unit is by key K1 to recognizing
Card reads instruction and key data KEY_A is encrypted, and produces encryption data E1, and described in the encryption data E1 is transmitted to
Radio frequency reading unit；Wherein, the ID is encrypted algorithm and the institute for calculating and obtaining that key KEY_A is used in the main control unit
State RF tag preset encryption data data1 algorithm it is identical；
The radio frequency reading unit is decrypted the encryption data of acquisition according to the key K1, and by the number after decryption
The RF tag is authenticated and read and write according to as KEY_A, reads encryption data data1 preset in the RF tag
And customizing messages, and be transmitted to after the encryption data data1 of reading and customizing messages are encrypted with the key K1
The main control unit；
The main control unit is decrypted above-mentioned encryption data data1 and customizing messages according to the key K1, is solved
Data data1 after close；
The main control unit is additionally operable to id information and customizing messages according to the radio frequency reading unit, is calculated by Encryption Algorithm
Encryption data data is obtained, and the encryption data data is compared with the data data1 after decryption, if the two phase
Pass through Deng then certification；If the two is unequal, certification does not pass through.
2. the consumptive material authentication device based on RF tag as claimed in claim 1, it is characterised in that the main control unit and institute
State radio frequency reading unit to communicate by data-interface, the data-interface includes IIC, SPI, UART, ISO7816,1-
Any one in wire interfaces.
3. the consumptive material authentication device based on RF tag as claimed in claim 1, it is characterised in that the radio frequency reading unit
Communicated with the RF tag using near-field communication technology.
4. the consumptive material authentication device based on RF tag as claimed in claim 3, it is characterised in that the radio frequency reading unit
Including connected with the main control unit signal read head MCU, with the read head MCU be electrically connected read head chip and with institute
The transmitter unit of read head chip electric connection is stated, the transmitter unit is connected with the RF tag signal.
5. the consumptive material authentication device based on RF tag as claimed in claim 4, it is characterised in that the transmitter unit includes
Switch and the antenna being electrically connected with the switch.
6. the consumptive material authentication device based on RF tag as claimed in claim 5, it is characterised in that the switch includes always opening
The switch-dividing for closing and being electrically connected with the master switch, and the switch-dividing is at least 2；Any one of switch-dividing
It is electrically connected with least two antenna.
7. the consumptive material authentication device based on RF tag as claimed in claim 1, it is characterised in that the customizing messages includes
Identification of the manufacturer number, date of manufacture, use mark, first use date first.
A kind of 8. authentication method of the consumptive material authentication device according to claim 1 based on RF tag, it is characterised in that
Comprise the following steps：
Step S110：The radio frequency reading unit reads the ID of the RF tag, and the ID is sent to the master control list
Member, the RF tag preset encryption data data1 and customizing messages；
Step S120：The main control unit is encrypted the ID calculating and obtains key KEY_A；
Step S130：The main control unit reads instruction to certification by key K1 and key data KEY_A is encrypted, and produces
Encryption data E1, and the encryption data E1 is transmitted to the radio frequency reading unit；
Step S140：The radio frequency reading unit is decrypted the encryption data of acquisition according to the key K1, and will
Data after decryption are authenticated and read and write to the RF tag as KEY_A, read preset in the RF tag add
Ciphertext data data1 and customizing messages, and the encryption data data1 of reading and customizing messages are added with the key K1
The main control unit is transmitted to after close；
Step S150：The main control unit solves above-mentioned encryption data data1 and customizing messages according to the key K1
It is close, the data data1 after being decrypted；
Step S160：The main control unit passes through Encryption Algorithm according to the id information and customizing messages of the radio frequency reading unit
The encryption data data being calculated with decryption after the data data1 be compared, if the two is equal certification pass through；Such as
Both fruits are unequal, then certification does not pass through.
9. the authentication method of the consumptive material authentication device based on RF tag as claimed in claim 8, it is characterised in that carrying out
Step S110, the radio frequency reading unit read the ID of the RF tag, and by the ID be sent to the main control unit it
Before further include following step：
Initialization process is carried out to the RF tag, the initialization process comprises the following steps：
The ID of the RF tag is read, is calculated by Encryption Algorithm and obtains key data KEY_A；
The key data KEY_A is write to the key zone of the RF tag so that the RF tag piece only has key to recognize
Data could be accessed after card；
According to the id information and customizing messages of the RF tag, encryption data data1 is calculated by Encryption Algorithm；
It is authenticated using KEY_A, after certification success, the encryption data data1 and customizing messages is written to described penetrate
Frequency marking label.
10. the authentication method of the consumptive material authentication device based on RF tag as claimed in claim 9, it is characterised in that described
Encryption Algorithm includes AES, DES, 3DES, SM4 and RC4.
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| CN201711250295.8A CN108009416A (en) | 2017-12-01 | 2017-12-01 | Consumptive material authentication device and method based on RF tag |
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| CN201711250295.8A CN108009416A (en) | 2017-12-01 | 2017-12-01 | Consumptive material authentication device and method based on RF tag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113590058A (en) * | 2021-08-11 | 2021-11-02 | 深圳市链科网络科技有限公司 | Cloud printing method and equipment |
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