CN210721483U - Ultrahigh frequency electronic tag handheld reader-writer based on state encryption and decryption algorithm - Google Patents
Ultrahigh frequency electronic tag handheld reader-writer based on state encryption and decryption algorithm Download PDFInfo
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- CN210721483U CN210721483U CN201922277545.8U CN201922277545U CN210721483U CN 210721483 U CN210721483 U CN 210721483U CN 201922277545 U CN201922277545 U CN 201922277545U CN 210721483 U CN210721483 U CN 210721483U
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Abstract
The utility model discloses a handheld read write line of hyperfrequency electronic tags based on secret encryption and decryption algorithm of state, including hyperfrequency helical antenna, master control board and power strip, the master control board includes central processing unit, and communication module, camera module, iris identification module, the secret chip of state, storage module and hyperfrequency read and write module that are connected with central processing unit, hyperfrequency helical antenna are connected with hyperfrequency read and write module, and the secret chip of state passes through SPI interface connection to central processing unit, provides algorithm support for data encryption and decryption, and the power strip is used for providing the power. The national encryption chip is adopted to provide algorithm support for data encryption and decryption, and the national encryption algorithm is adopted to encrypt data to be written when a label is written, so that the data security is protected. The camera is adopted, the iris recognition function is integrated, the user acquires the iris information of the user through the camera, and the iris authentication method has higher reliability, large memory and convenient use compared with password and fingerprint recognition.
Description
Technical Field
The utility model belongs to the technical field of the handheld read write line of electronic tags, concretely relates to handheld read write line of hyperfrequency electronic tags based on country encryption and decryption algorithm.
Background
At present, ultrahigh frequency electronic tags and two-dimensional code technologies are applied in large scale in electric power, logistics, retail and asset management, and the two-dimensional code technology has the characteristics of wide coding range, no contact and low cost, but has the outstanding defects of easiness in damage, easiness in copying, low safety and the like. The ultrahigh frequency electronic tag based on the RFID technology has the characteristics of no contact, long reading distance, large storage capacity, long service life and relatively high safety, is permeated and applied in large scale in the fields of logistics, storage, personnel management, vehicle management, retail industry, asset management, electric power and the like, and has wide application prospect.
The ultrahigh frequency RFID handheld reader-writer has the characteristics of flexibility in movement and convenience in use, and compared with a fixed reader-writer, the ultrahigh frequency RFID handheld reader-writer has the advantages of higher convenience, high efficiency, strong real-time performance and higher use value in use occasions such as mobile checking, inventory, secondary confirmation, specific space and the like. However, most of the existing ultrahigh frequency RFID handheld readers have single functions, short tag reading distance, heavy weight, high price, poor human-computer interaction interface, low comprehensive performance price, and most important, most of the ultrahigh frequency RFID handheld readers do not have a hardware encryption function, do not have a built-in general encryption chip or a national encryption chip, can only adopt a soft encryption mode through software writing, and are useless in RFID applications with high requirements on secrecy in national enterprises or military enterprises, and cannot meet the requirements on security. Therefore, the invention mainly aims at the application occasions with higher safety requirements and provides the ultrahigh frequency RFID handheld reader-writer based on the SM4 encryption and decryption algorithm.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the problem that the existing ultrahigh frequency RFID handheld reader-writer is single in function, does not have a hardware encryption function, and cannot meet the security requirement on RFID application with high security requirement is solved, and the ultrahigh frequency electronic tag handheld reader-writer based on a national encryption and decryption algorithm is provided.
The utility model adopts the technical scheme as follows:
the ultrahigh frequency helical antenna is connected with the ultrahigh frequency read-write module, the national encryption chip is connected to the central processing unit through an SPI (serial peripheral interface) interface to provide algorithm support for data encryption and decryption, and the power panel provides power for the ultrahigh frequency electronic tag handheld reader-writer.
Further, as mentioned above, the power panel includes the battery, and the power protection circuit, the voltage detection circuit, and the charging circuit connected to the battery, the power protection circuit is connected to the power switch, and the charging circuit and the voltage detection circuit are both connected to the central processing unit.
Further, as mentioned above, the ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm has the ultrahigh frequency reading-writing module adopting an impinj R2000 radio frequency chip.
Further, as for the ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm, the national encryption chip adopts an A12S series chip.
Further, as mentioned above, the communication module of the ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm comprises a GPS module, a wifi module and a 4G module.
Further, as mentioned above, the central processing unit is further connected with an LED indicator and a voice prompt module.
Further, as mentioned above, the central processing unit of the ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm is further provided with a TF card expansion interface.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, adopt the secret chip of state to provide algorithm support such as SM4 DES/AES for data encryption and decryption, adopt the secret algorithm of state to encrypt the data that need write in when writing the label, write in the label again, the label data that other read write line read are the ciphertext, can't know the meaning that data contain, only the ciphertext that the read write line that just can correctly resolve and write in of adaptation has protected data security. The camera with 1300 ten thousand pixels is adopted, the iris recognition function is integrated, and a user can obtain the iris information of the user through the camera, so that the iris recognition method has higher reliability compared with password and fingerprint recognition as an identity authentication means. The storage module is provided with a large-capacity memory, can store data in various formats such as documents, pictures and text data in a reader-writer, does not need to call the data through a background server, and is convenient to use.
2. The utility model discloses in, the secret chip of state can adopt A12S series security chip, has characteristics such as low-power consumption, high performance, small, and especially adapted embedded application, this chip pass through SPI interface connection to central processing unit, for algorithm supports such as data encryption and decryption provide SM4/3 DES/AES. The ultrahigh frequency read-write module can adopt an impinj R2000 radio frequency chip with leading performance as a main chip, conforms to the international ISO18000-6 standard, and has the advantages of high receiving sensitivity, high read-write speed and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the structure of the reader/writer of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are merely some, but not all, embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
It should be noted that:
RFID: RFID is short for radio frequency identification, and is a non-contact automatic identification technology that has emerged in the 90 s of the 20 th century, and a wireless radio frequency technology performs non-contact bidirectional data transmission between a reader and a radio frequency card to achieve the purposes of target identification and data exchange. Compared with the traditional bar code, magnetic card and IC card, the radio frequency card has the characteristics of non-contact, high reading speed, no abrasion, no environmental influence, long service life and convenient use, has an anti-collision function, and can simultaneously process a plurality of cards.
National secret SM 4: the domestic cryptographic algorithm (national cryptographic algorithm) is a domestic commercial cryptographic algorithm identified by the national crypto authority, and at present, three types of algorithms disclosed as SM2, SM3 and SM4 are mainly used in the financial field, namely an asymmetric algorithm, a hash algorithm and a symmetric algorithm. The SM4 block cipher algorithm is a block symmetric cipher algorithm independently designed in China, and is used for realizing encryption/decryption operation of data so as to ensure confidentiality of the data and information. The basic condition for ensuring the security of a symmetric cipher algorithm is that it has a sufficient key length, and the SM4 algorithm has the same key length as the AES algorithm, i.e., a packet length of 128 bits, and thus is higher in security than the 3DES algorithm. As a block cipher standard of commercial cipher in our country, SMS4 is used in applications such as communication encryption and data encryption, and is an existing algorithm.
The features and properties of the present invention are described in further detail below with reference to examples.
The ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm comprises an ultrahigh frequency helical antenna, a main control panel and a power panel, wherein the main control panel comprises a central processing unit, a communication module, a camera module, an iris identification module, a national encryption chip, a storage module and an ultrahigh frequency read-write module (namely, an UHF read-write module) which are connected with the central processing unit, the ultrahigh frequency helical antenna is connected with the ultrahigh frequency read-write module, the national encryption chip is connected to the central processing unit through an SPI (serial peripheral interface) interface to provide algorithm support for data encryption and decryption, and the power panel provides power for the ultrahigh frequency electronic tag handheld reader-writer.
The utility model discloses in, adopt the close chip of state to provide algorithm support such as SM4 DES/AES for data encryption and decryption, figure 1 is the handheld reader writer schematic diagram of hyperfrequency electronic tags based on the close SM4 encryption and decryption algorithm of state, adopt the close algorithm of state to encrypt the data that need write in when writing the label, write in the label again, the label data that other readers writer read are the ciphertext, can't know the meaning that the data contains, only the ciphertext that the reader writer of adaptation could correctly be analyzed and write in, data security has been protected. The chip adopts the existing SM4 encryption algorithm, aims at the characteristic that the capacity of a User area of the electronic tag is 2 kbits, and aims to improve the encryption writing speed of the electronic tag and meet the writing requirements of customers on data with different lengths. 1300 ten thousand pixel cameras can be adopted, the iris recognition function is integrated, the user can obtain the iris information of the user through the camera, and compared with a password and fingerprint recognition, the iris recognition method has higher reliability as an identity authentication means. The storage module is provided with a large-capacity memory, can store data in various formats such as documents, pictures and text data in a reader-writer, does not need to call the data through a background server, and is convenient to use. And a UHF four-arm spiral antenna is adopted as an ultrahigh frequency spiral antenna.
Further, in a specific embodiment, the power panel includes a battery, and a power protection circuit, a voltage detection circuit, and a charging circuit connected to the battery, where the power protection circuit is connected to a power switch, and the charging circuit and the voltage detection circuit are both connected to the central processing unit.
Furthermore, in the specific implementation mode, the national password chip can adopt an A12S series security chip, has the characteristics of low power consumption, high performance, small size and the like, is very suitable for the embedded application field, is connected to the central processing unit through the SPI interface, and provides algorithm support such as SM4/3DES/AES for data encryption and decryption. The ultrahigh frequency read-write module can adopt an impinjR2000 radio frequency chip with leading performance as a main chip, conforms to the international ISO18000-6 standard, and has the advantages of high receiving sensitivity, high read-write speed and the like.
Further, in a specific embodiment, the communication module includes a GPS module, a wifi module, and a 4G module.
Further, in a specific implementation mode, the central processing unit is further connected with an LED indicating lamp and a voice prompt module.
Further, in a specific embodiment, the central processing unit is further provided with a TF card expansion interface.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a handheld read write line of hyperfrequency electronic tags based on country encryption decryption algorithm which characterized in that: the ultrahigh frequency helical antenna is connected with the ultrahigh frequency read-write module, the national security chip is connected to the central processing unit through an SPI interface to provide algorithm support for data encryption and decryption, and the power panel provides power for an ultrahigh frequency electronic tag handheld reader-writer.
2. The ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm as claimed in claim 1, characterized in that: the power panel comprises a battery, and a power protection circuit, a voltage detection circuit and a charging circuit which are connected with the battery, wherein the power protection circuit is connected with a power switch, and the charging circuit and the voltage detection circuit are connected with the central processing unit.
3. The ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm as claimed in claim 1, characterized in that: the ultrahigh frequency read-write module adopts an impinj R2000 radio frequency chip.
4. The ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm as claimed in claim 1, characterized in that: the national secret chip adopts A12S series chips.
5. The ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm as claimed in claim 1, characterized in that: the communication module comprises a GPS module, a wifi module and a 4G module.
6. The ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm as claimed in claim 1, characterized in that: the central processing unit is also connected with an LED indicator light and a voice prompt module.
7. The ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm as claimed in claim 1, characterized in that: the central processing unit is also provided with a TF card expansion interface.
8. The ultrahigh frequency electronic tag handheld reader-writer based on the national encryption and decryption algorithm as claimed in claim 1, characterized in that: the ultrahigh frequency helical antenna adopts a UHF four-arm helical antenna.
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112287711A (en) * | 2020-11-10 | 2021-01-29 | 国网辽宁省电力有限公司电力科学研究院 | Full-service entity ID reader-writer |
| CN112364330A (en) * | 2020-11-13 | 2021-02-12 | 公安部交通管理科学研究所 | Security control device, authority authorization method and electronic tag identification method |
| CN114091494A (en) * | 2021-11-29 | 2022-02-25 | 梅州正方网络有限公司 | Safety type equipment communication method based on commercial cipher technology |
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2019
- 2019-12-17 CN CN201922277545.8U patent/CN210721483U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112287711A (en) * | 2020-11-10 | 2021-01-29 | 国网辽宁省电力有限公司电力科学研究院 | Full-service entity ID reader-writer |
| CN112364330A (en) * | 2020-11-13 | 2021-02-12 | 公安部交通管理科学研究所 | Security control device, authority authorization method and electronic tag identification method |
| CN114091494A (en) * | 2021-11-29 | 2022-02-25 | 梅州正方网络有限公司 | Safety type equipment communication method based on commercial cipher technology |
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