CN203311437U - High-credibility passive ultrahigh-frequency radio frequency identification electronic tag reader-writer - Google Patents
High-credibility passive ultrahigh-frequency radio frequency identification electronic tag reader-writer Download PDFInfo
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- CN203311437U CN203311437U CN2013200051803U CN201320005180U CN203311437U CN 203311437 U CN203311437 U CN 203311437U CN 2013200051803 U CN2013200051803 U CN 2013200051803U CN 201320005180 U CN201320005180 U CN 201320005180U CN 203311437 U CN203311437 U CN 203311437U
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Abstract
The utility model relates to a high-credibility passive ultrahigh-frequency radio frequency identification electronic tag reader-writer, and pertains to the technical field of wireless identification. The reader-writer comprises a maser control unit, and a power interface unit, a communication unit, a radio frequency unit and a security unit which are connected with the maser control unit separately. When RFID electronic tag reading and writing are performed by utilizing the reader-writer of the utility model; in the electronic tag writing process, the security unit is used to perform encryption and signature on data to generate encrypted and signed data, and then the encrypted and signed data is written into an electronic tag; in the electronic tag reading process, the security unit is used to perform decryption and signature verification on the data in the RFID electronic tag and verify the integrity and authenticity of the data so as to realize the encrypted reading and writing operations of the electronic tag, prevent the RFID electronic tag information from being acquired by a compatible reader-writer and ensure the security of the information, so that the security of an Internet of things system based on RFID is greatly improved. Moreover, the reader-writer of the utility model has advantages of simple structure, low cost, easy application and wide application range.
Description
Technical field
The utility model relates to the wireless recognition technique field, and particularly radio frequency recognizing electronic label read write line technical field specifically refers to a kind of radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency.
Background technology
Along with passive UHF(ultrahigh frequency) the RFID(radio-frequency (RF) identification of frequency range) technology is in the widespread use in Internet of Things field, and its safety issue day by day is taken seriously.Because the RFID electronic tag of passive uhf band should be followed EPC globalG1G2 or ISO 18000-6 consensus standard, user area information is in pellucidity basically, do not possess the credible wilfulness of information and confidentiality, may cause any compatible rfid interrogator to carry out read-write operation to electronic tag data, cause easily disturbed, the change of data in the RFID label, Information Security is difficult to be guaranteed.
Security for the integrality, authenticity and the data that ensure RFID electronic tag internal information, promote the deep development based on the Internet of Things industry of RFID, need to the data of the reading and writing operation of electronic tag, carry out safe handling for the rfid interrogator of passive UHF.
By the market survey to passive ultra-high frequency RFID read write line on market, find, the passive ultra-high frequency UHF read write line on market does not all possess relevant security function.Simultaneously, in practical operation, occur easily that a plurality of read write lines read the information of same electronic tag.If these data are obtained by the people, just cause serious information leakage, make to lose due value based on the Internet of things system of RFID.
In sum, for the defect of prior art, need especially a kind of passive ultra-high frequency UHF read write line of high reliability, to solve the aforementioned problems in the prior.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, a kind of read-write operation that can be encrypted electronic tag is provided, thereby prevent that the RFID electronic labeling information from being obtained by other compatible read write line, the security of guarantee information, and then significantly promote the security based on the Internet of things system of RFID, and simple in structure, with low cost, application mode is easy, and range of application is the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency comparatively widely.
In order to realize above-mentioned purpose, the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency of the present utility model has following formation:
The radio frequency recognizing electronic label read write line of this high confidence level passive ultra-high frequency comprises main control unit and the power interface unit, communication unit, radio frequency unit and the safe unit that are connected to this main control unit, and described safe unit is connected in described main control unit.
In the radio frequency recognizing electronic label read write line of this high confidence level passive ultra-high frequency, described safe unit comprises encrypts subelement and signature subelement, and described encryption subelement and signature subelement all are connected in described main control unit.
In the radio frequency recognizing electronic label read write line of this high confidence level passive ultra-high frequency, described main control unit comprises safe unit control subelement, and described safe unit is connected in this safe unit and controls subelement.
In the radio frequency recognizing electronic label read write line of this high confidence level passive ultra-high frequency, described radio frequency unit comprises that radio frequency protocol subelement, data send subelement, data receiver subelement and coupling subelement, described radio frequency protocol subelement sends subelement and data receiver subelement butt coupling subelement by described data respectively, and described main control unit also connects described data and sends subelement.
In the radio frequency recognizing electronic label read write line of this high confidence level passive ultra-high frequency, described main control unit is the PowerPC processor.
In the radio frequency recognizing electronic label read write line of this high confidence level passive ultra-high frequency, described communication unit comprises one or more in cable interface, RS232 serial line interface and USB interface, and described read write line connects outer PC by this communication unit.
In the radio frequency recognizing electronic label read write line of this high confidence level passive ultra-high frequency, described power interface unit comprises power supply adaptor, described power supply adaptor comprises alternating current input end and DC output end, and described DC output end connects respectively described main control unit, communication unit, radio frequency unit and safe unit.
Adopted the radio frequency recognizing electronic label read write line of the high confidence level passive ultra-high frequency of this utility model, power interface unit, communication unit, radio frequency unit and safe unit that it comprises main control unit and is connected to this main control unit.When utilizing read write line of the present utility model to carry out the RFID electronic label read-write, in the electronic tag ablation process, safe unit is encrypted and signs No. ID, radio frequency recognizing electronic label and the data that need to write radio frequency recognizing electronic label, generate and encrypt and signed data, then write again electronic tag, at electronic tag, read in process, safe unit is decrypted and sign test data in radio frequency recognizing electronic label, obtain deciphering and verification msg, and verify its integrality and authenticity, thereby realize the encrypting read/write operation to electronic tag, prevent that the RFID electronic labeling information from being obtained by other compatible read write line, the security of guarantee information, and then significantly promote the security based on the Internet of things system of RFID, and the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency of the present utility model is simple in structure, with low cost, application mode is easy, range of application is also comparatively extensive.
The accompanying drawing explanation
Fig. 1 is the structural representation of the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency of the present utility model.
Embodiment
In order more clearly to understand technology contents of the present utility model, describe in detail especially exemplified by following examples.
Refer to shown in Figure 1ly, be the structural representation of the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency of the present utility model.
In one embodiment, the radio frequency recognizing electronic label read write line 1 of high confidence level passive ultra-high frequency comprises main control unit 2 and the power interface unit 3, communication unit 4, radio frequency unit 5 and the safe unit 6 that are connected to this main control unit 2.Wherein, main control unit 2 is the PowerPC processor, communication unit 4 comprises one or more in cable interface, RS232 serial line interface and USB interface, this read write line 1 connects outer PC by communication unit 4, power interface unit 3 comprises power supply adaptor, and power supply adaptor is converted to the 24V direct current by the 220V alternating current and exports described main control unit 2, communication unit 4, radio frequency unit 5 and safe unit 6 to.Described radio frequency unit 5 comprises that radio frequency protocol subelement 7, data send subelement 8, data receiver subelement 9 and coupling subelement 10, described radio frequency protocol subelement 7 sends subelement 8 and data receiver subelement 9 butt coupling subelements 10 by described data respectively, described main control unit 2 also connects described data and sends subelement 8, and described coupling subelement 10 is realized the operation of RFID tag safe read-write by radiofrequency signal.Described safe unit 6, in order to described main control unit 2 safe read-write functions to be provided, to make described main control unit 2 control described radio frequency unit 5 and realizes the operation of RFID tag safe read-write.
In the radio frequency recognizing electronic label read write line technical scheme of high confidence level passive ultra-high frequency of the present utility model, wherein each included functional unit and subelement all can be corresponding to the particular hardware circuit in integrated circuit structure, therefore these modules and unit only utilize hardware circuit just can realize, do not need to assist namely can automatically realize corresponding function specifically to control software.
Based on the described read write line of this embodiment, realize that the method that the radio frequency recognizing electronic label read-write of high confidence level passive ultra-high frequency is controlled comprises electronic tag write operation and electronic tag read operation.
Wherein, described electronic tag write operation specifically comprises the following steps:
(11) described control module obtains No. ID, radio frequency recognizing electronic label by described radio frequency unit;
(12) described control module is sent to described safe unit by No. ID, described radio frequency recognizing electronic label and the data that need to write radio frequency recognizing electronic label;
(13) described safe unit is encrypted and signs No. ID, described radio frequency recognizing electronic label and the data that need to write radio frequency recognizing electronic label, generates the encryption and the signed data that comprise the data that need to write radio frequency recognizing electronic label;
(14) described safe unit is sent to described main control unit by described encryption and signed data;
(15) described main control unit writes described radio frequency recognizing electronic label by described radio frequency unit by described encryption and signed data;
Described electronic tag read operation comprises the following steps:
(21) described control module obtains data in radio frequency recognizing electronic label by described radio frequency unit;
(22) described control module is sent to described safe unit by data in the radio frequency recognizing electronic label obtained;
(23) described safe unit is decrypted and sign test data in described radio frequency recognizing electronic label, obtains deciphering and verification msg;
(24) integrality and the authenticity of the described safe unit described deciphering of judgement and verification msg;
(25) described safe unit is back to described main control unit by judged result and described deciphering and verification msg.
In a kind of more preferably embodiment, described safe unit comprises encrypts subelement and signature subelement, described encryption subelement and signature subelement all are connected in described main control unit, described encryption subelement provides to be encrypted and deciphering safe read-write function, and described signature subelement provides and signature and sign test safe read-write function.
In more preferably the described read write line of embodiment realized that the radio frequency recognizing electronic label of high confidence level passive ultra-high frequency is read and write the method for controlling based on this, described step (13) specifically comprised the following steps:
Described encryption subelement is by No. ID, the described radio frequency recognizing electronic label of public key encryption and need to write the data of radio frequency recognizing electronic label, obtains enciphered data;
Described signature subelement is by No. ID, the described radio frequency recognizing electronic label of private key signature and need to write the data of radio frequency recognizing electronic label, obtains signed data;
And described step (23) specifically comprises the following steps:
Described encryption subelement is deciphered data in described radio frequency recognizing electronic label by private key, obtains data decryption;
Described signature subelement, by data in the described radio frequency recognizing electronic label of PKI sign test, obtains verification msg.
Wherein, described PKI and private key are the key pair that described safe unit utilizes the SM2 algorithm to generate.
In further preferred embodiment, described main control unit comprises safe unit control subelement, described safe unit is connected in this safe unit and controls subelement, and this safe unit is controlled subelement in order to the application of controlling described safe read-write function or stopped using.
In the method that the radio frequency recognizing electronic label read-write that realizes high confidence level passive ultra-high frequency based on the described read write line of this further preferred embodiment is controlled, described electronic tag write operation is further comprising the steps of afterwards in step (11):
(11a) the described safe unit of described control module judgement is controlled application state or the dead status that subelement is in the safe read-write function, if application state enters described step (12); If dead status, enter step (16);
(16) described main control unit writes described radio frequency recognizing electronic label by described radio frequency unit by the data that needs write radio frequency recognizing electronic label.
In preferred embodiment, described electronic tag write operation is further comprising the steps of before in step (11):
(10) user utilizes PC, deposits the data that needs write radio frequency recognizing electronic label in described read write line by described communication unit.
In actual applications, as shown in Figure 1, passive ultra-high frequency RFID read write line of the present utility model mainly is comprised of main control unit 2, power interface unit 3, communication unit 4, radio frequency unit 5 and safe unit 6.Communication unit 4 passes through grid line or RS232 Serial Port Line or USB connecting line and is connected with PC, by PC, controls operations after read write line switches on power.Radio frequency unit 5 sends subelement 8, data receiver subelement 9 and coupling subelement 10 by radio frequency protocol subelement 7, data and forms.Credible passive ultra-high frequency RFID read write line 1 carries out the sending and receiving of data by coupling subelement 10 under the control of main control unit 2 and radio frequency protocol subelement 7.Safe unit 6, under the effect of main control unit 2, carries out the safe operation of data.Compared to prior art, the characteristics of passive ultra-high frequency RFID read write line of the present utility model are:
1, credible passive ultra-high frequency RFID read write line has the unlatching of selection encryption, deciphering, signature and sign test security function: if do not open, this credible passive ultra-high frequency RFID read write line is consistent with conventional read write line function, carries out basic RFID read-write operation; If open encryption, deciphering, signature and sign test function, this is credible passive ultra-high frequency RFID read write line, under the support of safe unit, carries out safe read-write operation;
2, opening under encryption, deciphering, signature and sign test security function, the data that needs are encrypted or sign are input in credible passive ultra-high frequency RFID read write line 1 by PC, under the effect of safe unit 6, generate corresponding enciphered data or signed data, turn back in credible passive ultra-high frequency RFID read write line 1; Main control unit is connected by serial ports with safe unit, carry out the transmission of data, in safe unit, realize generation, data encryption, deciphering, signature and sign test function that the SM2 algorithm secret key is right, special, in safe unit, using the high strength cryptographic algorithm as core algorithm in safe unit;
3, credible passive ultra-high frequency RFID read write line 1 write operation, at first, the main control unit 2 of credible passive ultra-high frequency RFID read write line 1 obtains No. ID of rfid card, and No. ID of rfid card and the data that need to write are generated to be encrypted and signed data and pass to safe unit 6.Secondly, safe unit 6 is encrypted data, sign to generate by algorithm public key encryption and private key signature and encrypts and signed data, and the encryption that will complete and signed data are sent to the main control unit 2 of read write line 1; Encryption, signed data information that the main control unit 2 of last read write line 1 will contain data to be written write in the internal memory of rfid card in the lump.
4, data in rfid card are obtained in credible passive ultra-high frequency RFID read write line 1 read operation, the main control unit 2 of at first credible passive ultra-high frequency RFID read write line 1, and the data that will read are passed to safe unit 6.Secondly, safe unit 6 is by the deciphering of algorithm private key and the PKI sign test will be deciphered, the authenticity and integrity of verification msg, and the result is returned to the PC system.
By above operation, realized the safe operation of read write line 1, by the operation of this read write line 1, can realize that 1 pair of RFID electronic tag data of read write line carries out integrality and verification of correctness, thereby realize the information trusted operations of passive ultra-high frequency read write line 1.Rfid interrogator systemic-function of the present utility model is powerful, easy to use and reliable, cost performance is very high, Information Security is high, can be widely used in Internet of Things based on the RFID technology, relate to car and relate to and drive, in public security Internet of Things and information security industry, guarantee security and the integrality of RFID electronic tag data.
Adopted the radio frequency recognizing electronic label read write line of the high confidence level passive ultra-high frequency of this utility model, power interface unit, communication unit, radio frequency unit and safe unit that it comprises main control unit and is connected to this main control unit.When utilizing read write line of the present utility model to carry out the RFID electronic label read-write, in the electronic tag ablation process, safe unit is encrypted and signs No. ID, radio frequency recognizing electronic label and the data that need to write radio frequency recognizing electronic label, generate and encrypt and signed data, then write again electronic tag, at electronic tag, read in process, safe unit is decrypted and sign test data in radio frequency recognizing electronic label, obtain deciphering and verification msg, and verify its integrality and authenticity, thereby realize the encrypting read/write operation to electronic tag, prevent that the RFID electronic labeling information from being obtained by other compatible read write line, the security of guarantee information, and then significantly promote the security based on the Internet of things system of RFID, and the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency of the present utility model is simple in structure, with low cost, application mode is easy, range of application is also comparatively extensive.
In this instructions, the utility model is described with reference to its specific embodiment.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (7)
1. the radio frequency recognizing electronic label read write line of a high confidence level passive ultra-high frequency, comprise main control unit and the power interface unit, communication unit and the radio frequency unit that are connected to this main control unit, it is characterized in that, this read write line also comprises safe unit, and described safe unit is connected in described main control unit.
2. the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency according to claim 1, it is characterized in that, described safe unit comprises encrypts subelement and signature subelement, and described encryption subelement and signature subelement all are connected in described main control unit.
3. the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency according to claim 1 and 2, is characterized in that, described main control unit comprises safe unit control subelement, and described safe unit is connected in this safe unit and controls subelement.
4. the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency according to claim 1, it is characterized in that, described radio frequency unit comprises that radio frequency protocol subelement, data send subelement, data receiver subelement and coupling subelement, described radio frequency protocol subelement sends subelement and data receiver subelement butt coupling subelement by described data respectively, and described main control unit also connects described data and sends subelement.
5. the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency according to claim 1, is characterized in that, described main control unit is the PowerPC processor.
6. the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency according to claim 1, it is characterized in that, described communication unit comprises one or more in cable interface, RS232 serial line interface and USB interface, and described read write line connects outer PC by this communication unit.
7. the radio frequency recognizing electronic label read write line of high confidence level passive ultra-high frequency according to claim 1, it is characterized in that, described power interface unit comprises power supply adaptor, described power supply adaptor comprises alternating current input end and DC output end, and described DC output end connects respectively described main control unit, communication unit, radio frequency unit and safe unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200051803U CN203311437U (en) | 2013-01-06 | 2013-01-06 | High-credibility passive ultrahigh-frequency radio frequency identification electronic tag reader-writer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200051803U CN203311437U (en) | 2013-01-06 | 2013-01-06 | High-credibility passive ultrahigh-frequency radio frequency identification electronic tag reader-writer |
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| Publication Number | Publication Date |
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| CN203311437U true CN203311437U (en) | 2013-11-27 |
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| CN2013200051803U Expired - Lifetime CN203311437U (en) | 2013-01-06 | 2013-01-06 | High-credibility passive ultrahigh-frequency radio frequency identification electronic tag reader-writer |
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- 2013-01-06 CN CN2013200051803U patent/CN203311437U/en not_active Expired - Lifetime
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Granted publication date: 20131127 |
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| CX01 | Expiry of patent term |