CN111274831B - Information circulation system, method, equipment and storage medium based on RFID - Google Patents
Information circulation system, method, equipment and storage medium based on RFID Download PDFInfo
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- G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
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- G—PHYSICS
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
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- G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
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- G—PHYSICS
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- 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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Abstract
The invention provides an information circulation system and method based on RFID, equipment and storage medium, comprising: a hardware system and a software system; wherein, the hardware system includes: the system comprises an RFID electronic tag, a reader-writer and each node device of a block chain; the software system comprises: a blockchain unit and an RFID read-write unit; the RFID read-write unit is arranged on the reader-writer and used for carrying out information communication with the hardware system and the blockchain unit. The RFID read-write unit comprises: the association subunit is a central contact unit of the RFID read-write unit; and the electronic tag subunit is used for automatically writing the transaction hash and signature information of the sending terminal into the RFID electronic tag after receiving the writing call request of the associated subunit, and automatically reading the writing information in the RFID electronic tag. According to the invention, the transaction information is directly obtained through the reading and writing unit and then directly packaged for transaction, and the transaction information is directly sent to the blockchain, so that no third party participates in the whole process, and the authenticity and the credibility of the data are ensured.
Description
Technical Field
The application relates to the technical field of blockchains, in particular to an information transfer system, an information transfer method, information transfer equipment and a storage medium based on RFID.
Background
The RFID technology, namely the radio frequency identification technology, performs non-contact data communication with the RFID tag through a wireless radio frequency mode, so as to achieve the purpose of identifying the target. RFID is widely applied to the fields of logistics traffic identification and the like in the Internet of things at present.
In the existing technology based on the blockchain-combined RFID electronic tag, after the information in the RFID is read by a central information system, namely an RFID reader-writer, data is required to be sent to the central information system through a network, and after the central information system processes, the information in the RFID is uploaded to the blockchain in a transaction mode. This presents two problems: firstly, a centralized central information system becomes a fault point of the system, and as long as the central information system is faulty, all RFID readers communicated with the central information system cannot link RFID information; secondly, the central information system has a trusted problem that RFID readers belonging to different institutions all need to trust the central information system, which is believed to be able to link up the real information.
Disclosure of Invention
In view of the foregoing drawbacks or deficiencies of the prior art, it is desirable to provide an RFID-based information transfer system and method, apparatus and storage medium that can be directly uplinked without the need for transactions being sent through an intermediate system.
In a first aspect, the present invention provides an RFID-based information circulation system, comprising:
a hardware system and a software system; wherein,
the hardware system comprises: the system comprises an RFID electronic tag, a reader-writer and each node device of a block chain; the software system comprises: a blockchain unit and an RFID read-write unit; the RFID read-write unit is arranged on the reader-writer and used for carrying out information communication with the hardware system and the blockchain unit. The RFID read-write unit comprises: the association subunit is a central contact unit of the RFID read-write unit and comprises the steps of acquiring/transmitting information to other subunits and the blockchain system, packaging transactions, receiving transaction hash values returned by the blockchain system and generating signature information; the transaction processing subunit is used for sending the transaction generated by the packaging of the association subunit to the blockchain system so that the association subunit receives the first transaction hash value returned by the blockchain system; the electronic tag subunit is used for automatically writing the transaction hash and signature information of the sending terminal into the RFID electronic tag after receiving the writing call request of the associated subunit, and automatically reading the writing information in the RFID electronic tag after receiving the reading call request of the associated subunit.
Further, the RFID read-write unit further includes: and the man-machine interaction subunit is configured to receive the information flow characteristic information sent by the association subunit, decode the information flow characteristic information and display the information flow characteristic information on a man-machine interaction interface. The information flow characteristic information may be configured differently for different application scenarios, for example: if the information is a commodity production scene, the information flow characteristic information can be a production raw material, a product name, a manufacturer, a production time and the like. If the information flow characteristic information is a quality inspection scene, the information flow characteristic information can be a quality inspector name, quality inspection time, quality inspection links and the like, and if the information flow characteristic information is a logistics application scene, the information flow characteristic information can be a commodity name, a manufacturer, commodity pricing, a logistics carrier and the like, and the information content can be obtained by scanning a configured two-dimensional code through a camera, or can be obtained after being manually input by a user and transmitted by configuring a manual input interface.
Further, the RFID read-write unit further includes:
and the positioning subunit is configured to receive the request for sending the position information sent by the association subunit and send the geographic position of the current terminal.
Further, the RFID read-write unit further includes:
the camera subunit is configured to receive the picture request information sent by the association subunit and send the picture information obtained by shooting or scanning to the association subunit.
In a second aspect, the present invention further provides an RFID-based information circulation method, where the circulation method is based on the system provided above, and the method includes:
acquiring first information content sent by a first sender terminal and generating a first transaction for a transaction subunit to send the first transaction to a blockchain system; the first information content comprises a first user ID of a first sender terminal, a second user ID of a first receiver terminal and information flow characteristic information of an object;
a first transaction hash value returned by the blockchain system is received.
The method comprises the steps of sending a writing request to an electronic tag subunit so that the electronic tag subunit writes a first transaction hash value and first signature information into an RFID electronic tag, and checking the first signature information after a first receiving party terminal obtains the first transaction hash value through the electronic tag subunit; wherein the first signature information is generated by the association subunit signing the first transaction content by the private key of the first sender terminal.
Further, the first receiving side terminal verifies the first signature information after obtaining the first transaction hash value through the electronic tag subunit, including:
sending a read request to the electronic tag subunit to read the first transaction hash value and the first signature information in the RFID electronic tag by the electronic tag subunit, and sending to the associated subunit,
transmitting the first transaction hash value to the transaction processing subunit for the transaction processing subunit to acquire a first user ID in the first transaction from the blockchain; and acquiring a public key of a first transmitting and receiving terminal corresponding to the first user ID according to the first user ID, and verifying the first signature information through the public key:
and if the verification is passed, acquiring information flow characteristic information of the object.
Further, the method also comprises the following steps:
and sending the information flow characteristic information of the object to the man-machine interaction subunit, and displaying the information flow characteristic information on the man-machine interaction interface for a user to check after decoding by the man-machine interaction subunit.
Further, the first transaction further includes a first geographic location of the first sender terminal, the method further comprising:
transmitting a location information request to a GPS subunit to obtain a first geographic location of a first sender terminal;
further, the first transaction further includes a physical picture, and the method further includes:
and sending the picture request information to the camera subunit to acquire the object picture of the object so as to enable the final object receiving user to compare after receiving the object.
Further, after the first signature information is checked to pass, the method further includes:
acquiring current first transaction hash and first signature information from the electronic tag subunit, receiving second information content sent by the first receiver terminal, and generating second transaction by the first transaction hash, the first signature information and the second information content for the transaction subunit to send the second transaction to the blockchain system; wherein the second information content includes a third ID of the second receiver terminal.
Receiving a second transaction hash value returned by the block chain system;
the method comprises the steps of sending a writing request to an electronic tag subunit so that the electronic tag subunit writes a second transaction hash value and second signature information into an RFID electronic tag, and checking the second signature information after a second receiver terminal obtains the second transaction hash value through the electronic tag subunit; wherein the second signature information is generated by the association subunit signing the second transaction content by the private key of the first receiver terminal.
Further, the first signature information and the first transaction hash value stored in the RFID electronic tag are deleted.
Further, the last level transaction is obtained step by step from the blockchain according to the second transaction hash value until the first transaction traced back to the first sender terminal.
Further, the plurality of transactions obtained step by step are sent to the man-machine interaction subunit so as to visually display the circulation line.
In a third aspect, the present invention also provides an RFID-based information circulation device, comprising one or more processors and a memory, wherein the memory contains instructions executable by the one or more processors to cause the one or more processors to perform the RFID-based information circulation method provided according to embodiments of the present invention.
In a fourth aspect, the present invention also provides a storage medium storing a computer program for causing a computer to execute the RFID-based information circulation method provided according to the embodiments of the present invention.
According to the RFID-based information circulation system, the RFID-based information circulation method, the RFID-based information circulation equipment and the RFID-based information circulation storage medium, the transaction information is directly acquired through the read-write unit and then directly packaged for transaction, and then the transaction processing subunit which is sent to the read-write unit is directly sent to the blockchain, so that no third party participates in the whole process, and the authenticity and the credibility of data are guaranteed.
According to the RFID-based information circulation system, the RFID-based information circulation method, the RFID-based information circulation device and the RFID-based information circulation storage medium, the user ID of the next receiving terminal is further added in the field of the transaction sent by the current terminal, so that the next terminal is ensured to have the authority of updating the RFID electronic tag storage information, and then the circulation history of the whole scene line is acquired by inquiring the previous level of transaction step by step until the original transaction is acquired. Meanwhile, the data stored in the electronic tag only has the hash value and the current signature information, so that the occupied memory is greatly reduced, and the problem of insufficient memory is solved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings.
Fig. 1 is a schematic structural diagram of an RFID-based information circulation system according to an embodiment of the present invention.
Fig. 2 is a flowchart of an RFID-based information circulation method according to an embodiment of the present invention.
Fig. 3 is a scene diagram of a preferred embodiment shown in fig. 2.
Fig. 4 is a schematic structural diagram of an RFID-based information circulation device according to an embodiment of the present invention.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Fig. 1 is a schematic structural diagram of an RFID-based information circulation system according to an embodiment of the present invention.
As shown in fig. 1, in this embodiment, the present invention provides an RFID-based information circulation system 1, including:
a hardware system 10 and a software system 11; wherein,
the hardware system 10 includes: an RFID electronic tag 101, a reader 102, each node device 103 of a blockchain, and the like; the software system 11 includes: a blockchain unit 111 and an RFID read-write unit 112; the RFID read-write unit is arranged on the reader-writer and used for carrying out information communication with the hardware system and the blockchain unit.
The RFID read-write unit 112 includes: the association subunit 1121 is a central contact unit of the RFID read-write unit, and includes acquiring/sending information to other subunits and the blockchain system, packaging transactions, and receiving transaction hash values returned by the blockchain system;
the transaction processing subunit 1122 is configured to send the transaction generated by packaging the association subunit to the blockchain system, so that the association subunit receives the first transaction hash value returned by the blockchain system; wherein the transaction includes a user ID of the sender terminal and a user ID of the receiver terminal and information flow characteristic information;
the electronic tag subunit 1123 is configured to automatically write the transaction hash and the signature information of the sender terminal into the RFID electronic tag after receiving the write call request of the associated subunit, and automatically read the write information in the RFID electronic tag after receiving the read call request of the associated subunit.
Specifically, in some embodiments, the terminal described in the above system should apply for a digital certificate to the CA center. The application system can be used only by the user terminal having the certificate issued by the CA center. After the CA center issues the certificate to the user, a unique 64-bit user ID is generated for each user. The CA center writes (user ID, digital certificate) into an account contract. The contract is only writable by the CA center, and the user can only read the contract. Before using the application, the user needs to specify the private key file corresponding to the digital certificate and the user ID. More, the information flow characteristic information can configure different contents according to different application scenes, such as: if the information is a commodity production scene, the information flow characteristic information can be the production raw material, the production time, the producer, the production time and the like. If the information flow characteristic information is a quality inspection scene, the information flow characteristic information can be a quality inspector name, quality inspection time, quality inspection links and the like, and if the information flow characteristic information is a logistics application scene, the information flow characteristic information can be a commodity name, a manufacturer, commodity pricing, a logistics carrier and the like, and the information content can be obtained by scanning a configured two-dimensional code through a camera, or can be obtained after being manually input by a user and transmitted by configuring a manual input interface.
In a further preferred embodiment, the RFID read/write unit 112 further comprises: the camera subunit is configured to receive the picture request information sent by the association subunit and send the shot picture information to the association subunit.
Specifically, the camera subunit may store the shot physical image into the camera subunit through the camera, or may scan the two-dimensional code of the sender terminal through the camera to send the obtained sender information (such as the user ID) to the associated subunit.
In a further preferred embodiment, the RFID read/write unit 112 further comprises: and the positioning subunit is configured to receive the request for sending the position information sent by the association subunit and send the geographic position of the current terminal.
In more preferred embodiments, the RFID read/write unit 112 further comprises: and the man-machine interaction subunit is configured to receive the information flow characteristic information sent by the association subunit, decode the information flow characteristic information and display the information flow characteristic information on a man-machine interaction interface.
Specifically, the first transaction may further include the obtained geographic location, or may also include the picture information shot by the camera, where, according to the above embodiment, the geographic location and the picture information are both stored in the blockchain unit, and the receiver terminal needs to be displayed on the man-machine interaction interface after decoding after passing through the transaction on the query blockchain. In more preferred embodiments, the geographic position and the picture information can also be directly displayed on the man-machine interaction interface through the man-machine interaction unit, so that the receiver terminal can visually view through the man-machine interaction interface at the first time. More, the information can be stored in the blockchain unit, and the decoded information is compared with the information directly sent to the man-machine interaction interface, if the decoded information is inconsistent with the information, the information indicates that one party is not real, and an alarm is sent to remind a user of checking which link has the fault problem.
Fig. 2 is a flowchart of an RFID-based information circulation method according to an embodiment of the present invention.
As shown in fig. 2, in this embodiment, an RFID-based information circulation method, which is based on the system shown in fig. 1, includes:
s21, acquiring first information content sent by a first sender terminal and generating a first transaction for a transaction subunit to send the first transaction to a blockchain system; the first information content comprises a first user ID of a first sender terminal, a second user ID of a first receiver terminal and information flow characteristic information of an object;
s22, receiving a first transaction hash value returned by the block chain system.
S23, sending a writing request to the electronic tag subunit so as to write the first transaction hash value and the first signature information into the RFID electronic tag by the electronic tag subunit, and checking the first signature information after the first receiver terminal obtains the first transaction hash value through the electronic tag subunit; wherein the first signature information is generated by the association subunit signing the first transaction content by the private key of the first sender terminal.
Specifically, as shown in the scenario of fig. 3, the association subunit obtains corresponding information from the first sending terminal a, including the user ID1 of the first sending terminal a, the next-stage receiving terminal user ID2 specified by the first sending terminal a, and information flow characteristic information, and generates a first transaction tx1, and invokes the transaction processing subunit to send tx1 to the blockchain unit. After the transaction is successfully sent, the association subunit acquires a Hash value Hash (tx 1) of the transaction from a return result of the blockchain unit, the association subunit signs tx1 with a private key of the first party to generate signature information m, and finally the RFID electronic tag sub-module writes the Hash (tx 1) and the signature information m into the electronic tag. In this embodiment, the private key signing of the transaction content by the association subunit may occur at any time after the association subunit obtains the transaction content from the first, without being limited by the above steps, and after the signature information m is generated, the association subunit may send a write request to the RFID electronic tag subunit, and perform a write operation.
When the receiving terminal needs to acquire detailed information, after acquiring Hash (tx 1) and signature information through the RFID electronic tag subunit, the receiving terminal confirms that the content of the transaction is correct and credible after verifying that the signature information is correct.
It should be noted that, in this embodiment, the information flow feature information is information characterizing important features of an information flow, and may configure corresponding content according to different scenes, for example: if the information flow characteristic information is in a commodity production scene, the information flow characteristic information can be the production raw material, the production time, the producer, the production time and the like, and the next-stage receiving terminal can be a warehouse delivery terminal, a logistics carrier terminal and the like. If the information flow characteristic information is a quality inspection scene, the information flow characteristic information can be a quality inspector name, quality inspection time, quality inspection links and the like, then the next-stage receiver terminal can be a quality inspection evaluation terminal, a product warehouse-in terminal and the like, if the information flow characteristic information is a logistics application scene, the information flow characteristic information can be a commodity name, a manufacturer, commodity pricing, a logistics carrier and the like, then the next-stage receiver terminal can be a logistics carrier terminal of the next transfer station, a final receiver terminal and the like. If the information is government administrative approval, the information flow characteristic information can be administrative units, approval contents, approval results and the like, and the next-level receiver terminal can be an approval terminal of an upper-level administrative unit and the like. The method of circulation of this information is not affected. The information content can be obtained by scanning the configured two-dimensional code through a camera, or can be obtained after the configuration manual input interface is manually input by a user and then transmitted.
In a preferred embodiment, in step S23, the first receiving terminal obtains the first transaction hash value through the electronic tag subunit and then verifies the first signature information, including:
sending a read request to the electronic tag subunit to read the first transaction hash value and the first signature information in the RFID electronic tag by the electronic tag subunit, and sending to the associated subunit,
transmitting the first hash value to the transaction processing subunit for the transaction processing subunit to acquire a first user ID in the first transaction from the blockchain; and acquiring a public key of the first sender terminal corresponding to the first user ID according to the first user ID, and verifying the first signature information through the public key:
and if the verification is passed, acquiring information flow characteristic information of the object.
Specifically, when the receiving terminal needs to acquire detailed information, the receiving terminal acquires Hash (tx 1) and signature information m1 through the RFID electronic tag subunit and sends the Hash and the signature information m1 to the associated subunit, and meanwhile, the transaction processing subunit is called to inquire about a transaction stored on the blockchain through the Hash (tx 1), and as the transaction contains the user ID1 of the terminal of the sender, the public key information of the first party is inquired according to the ID1, the signature information m1 acquired from the RFID electronic tag subunit is verified by utilizing the public key, and if the verification is successful, the transaction is proved to be truly and credible.
In more preferred embodiments, after the transaction information is obtained, information in the transaction information, such as information flow characteristic information, may be sent to the man-machine interaction subunit, so that the man-machine interaction subunit decodes the information and displays the decoded information on the man-machine interaction interface for the user to view.
In a further preferred embodiment, the first transaction further comprises a first geographical location of the first sender terminal, the method further comprising:
transmitting a location information request to a GPS subunit to obtain a first geographic location of a first sender terminal;
in a further preferred embodiment, the first transaction further comprises a physical picture, the method further comprising:
and sending the picture request information to the camera subunit to acquire the object picture of the object so as to enable the final object receiving user to compare after receiving the object.
After the first signature information is checked to pass, the circulation method further comprises the following steps:
acquiring current first transaction hash and first signature information from the electronic tag subunit, receiving second information content sent by the first receiver terminal, and generating second transaction by the first transaction hash, the first signature information and the second information content for the transaction subunit to send the second transaction to the blockchain system; wherein the second information content includes a third ID of the second receiver terminal.
Receiving a second transaction hash value returned by the block chain system;
the method comprises the steps of sending a writing request to an electronic tag subunit so that the electronic tag subunit writes a second transaction hash value and second signature information into an RFID electronic tag, and checking the second signature information after a second receiver terminal obtains the second transaction hash value through the electronic tag subunit; wherein the second signature information is generated by the association subunit signing the second transaction content by the private key of the first receiver terminal.
Specifically, the first receiving terminal in the method shown in fig. 2 may be a receiving end terminal or an intermediate transit terminal. Taking the stream information generated by the producer A-buyer D as an example, the association subunit obtains the user ID of A, the user ID of carrier B (designated by A), the production time of the product, the delivery time, the manufacturer and other information from the producer A, packages the information to generate transaction tx, calls the transaction processing subunit to send the transaction processing subunit to the blockchain platform, receives the transaction hash of tx 2, signs tx with the private key of A to generate signature information n, and the electronic tag subunit writes the transaction hash2 and the signature information n into the electronic tag subunit.
After receiving the carried commodity, the user B reads the transaction hash2 and the signature information n on the RFID electronic tag through the electronic tag subunit, and verifies the commodity to be transmitted by the producer A after the commodity is successful according to the optimized mode, at the moment, the association subunit acquires the transaction hash2, the signature information n, the user ID3 (appointed by the user B) of the next-stage receiver terminal and additional information (which can be added by the user B according to the current scene) to package and generate a transaction TX, invokes the transaction processing subunit to transmit the transaction to the blockchain platform, and returns the transaction hash value hash3; and the association subunit signs the transaction TX through the private key of the user B to generate signature information x, and finally, the electronic tag subunit writes the transaction hash value hash3 and the signature information x into the RFID, so that the task of the transfer end is completed. The principle of operation is consistent with the present embodiment if the next level receiver terminal is still not the final segment.
Further, the first signature information and the first transaction hash value stored in the RFID electronic tag are deleted. The transfer terminal can erase the data of the user data area in the previous RFID tag and re-write new transaction data. The previous data is then uploaded to the blockchain for storage via a new transaction. In this way, the storage in the RFID tag can be recycled, and the problem of storage exhaustion caused by continuous data addition of the RFID tag is avoided.
Further, the last level transaction is obtained step by step from the blockchain according to the second transaction hash value until the first transaction traced back to the first sender terminal
Further, the plurality of transactions obtained step by step are sent to the man-machine interaction subunit so as to visually display the circulation line.
It should be noted that, the data in the RFID electronic tag is only transaction hash and signature information. The complete information is obtained by querying the blockchain for the transaction, while the public key information is stored in the blockchain transaction by the user ID. This reduces the use of extremely valuable user data area in the RFID electronic tag, thereby accommodating more RFID tags with smaller memory capacity. At the same time, the transaction in the blockchain does not need to store the user's signature for the transaction. This also reduces the size of transactions in the blockchain, relieving the storage pressure of blockchain nodes.
The association subunit will include the user's GPS data in the transaction in the background, which can ensure that the actual geographic location of the item during the turnover is recorded.
Through account contracts, users do not need to write their own digital certificates into the transaction, but only their own user IDs into the transaction. This may also effectively reduce the size of the transaction, relieving the storage pressure of the blockchain node.
Fig. 4 is a schematic structural diagram of an RFID-based information circulation device according to an embodiment of the present invention.
As shown in fig. 4, as another aspect, the present application also provides an RFID-based information circulation device 400 including one or more Central Processing Units (CPUs) 401, which can perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM) 402 or a program loaded from a storage section 408 into a Random Access Memory (RAM) 403. In the RAM403, various programs and data required for the operation of the RFID-based information circulation device 400 are also stored. The CPU401, ROM402, and RAM403 are connected to each other by a bus 404. An input/output (I/O) interface 405 is also connected to bus 404.
The following components are connected to the I/O interface 405: an input section 406 including a keyboard, a mouse, and the like; an output portion 407 including a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker, and the like; a storage section 408 including a hard disk or the like; and a communication section 409 including a network interface card such as a LAN card, a modem, or the like. The communication section 409 performs communication processing via a network such as the internet. The drive 410 is also connected to the I/O interface 405 as needed. A removable medium 411 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is installed on the drive 410 as needed, so that a computer program read therefrom is installed into the storage section 408 as needed.
In particular, according to embodiments of the present disclosure, the circulation method described in any of the above embodiments may be implemented as a computer software program. For example, embodiments of the present disclosure include a computer program product comprising a computer program tangibly embodied on a machine-readable medium, the computer program comprising program code for performing a flow method. In such an embodiment, the computer program may be downloaded and installed from a network via the communication portion 409 and/or installed from the removable medium 411.
As yet another aspect, the present application also provides a computer-readable storage medium, which may be a computer-readable storage medium contained in the apparatus of the above-described embodiment; or may be a computer-readable storage medium, alone, that is not assembled into a device. The computer-readable storage medium stores one or more programs for use by one or more processors in performing the flow methods described herein.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units or modules described in the embodiments of the present application may be implemented by software, or may be implemented by hardware. The described units or modules may also be provided in a processor, for example, each of the units may be a software program provided in a computer or a mobile smart device, or may be separately configured hardware devices. Wherein the names of the units or modules do not in some cases constitute a limitation of the units or modules themselves.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but also covers other embodiments which may be formed by any combination of features described above or their equivalents without departing from the spirit of the application. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (15)
1. An RFID-based information circulation system, the system comprising:
a hardware system and a software system; wherein,
the hardware system includes: the system comprises an RFID electronic tag, a reader-writer and each node device of a block chain;
the software system includes: a blockchain unit and an RFID read-write unit; the RFID read-write unit is configured on the reader-writer and is used for carrying out information communication with the hardware system and the blockchain unit;
the RFID read-write unit comprises:
the association subunit is a central contact unit of the RFID read-write unit and comprises the steps of acquiring/transmitting information to other subunits and the blockchain system, packaging a first transaction, receiving a first transaction hash value returned by the blockchain system and generating first signature information, wherein the first signature information is generated by the association subunit on the first transaction content through a private key signature of a first sender terminal;
the transaction processing subunit is used for sending the first transaction generated by packaging the association subunit to the blockchain system so that the association subunit receives the first transaction hash value returned by the blockchain system;
the electronic tag subunit is used for automatically writing the first transaction hash value and the first signature information of the first sender terminal into the RFID electronic tag after receiving the writing call request of the association subunit, and automatically reading the writing information in the RFID electronic tag after receiving the reading call request of the association subunit; the RFID-based information circulation system acquires first information content sent by a first sender terminal and generates a first transaction for a transaction processing subunit to send the first transaction to a blockchain system; the first information content comprises a first user ID of a first sender terminal, a second user ID of a first receiver terminal and information flow characteristic information of an object; receiving a first transaction hash value returned by the block chain system; and the first receiving party terminal acquires the first transaction hash value through the electronic tag subunit and then verifies the first signature information.
2. The system of claim 1, wherein the RFID read-write unit further comprises:
and the man-machine interaction subunit is configured to receive the information flow characteristic information sent by the association subunit, decode the information flow characteristic information and display the information flow characteristic information on a man-machine interaction interface.
3. The system of claim 1, wherein the RFID read-write unit further comprises:
and the positioning subunit is configured to receive the request for sending the position information sent by the association subunit and send the geographic position of the current terminal.
4. The system of claim 1, wherein the RFID read-write unit further comprises:
the camera subunit is configured to receive the picture request information sent by the association subunit and send the shot picture information to the association subunit.
5. An RFID-based information transfer method, the transfer method being based on the system of claim 1, comprising:
acquiring first information content sent by a first sender terminal and generating a first transaction for a transaction processing subunit to send the first transaction to a blockchain system; the first information content comprises a first user ID of a first sender terminal, a second user ID of a first receiver terminal and information flow characteristic information of an object;
receiving a first transaction hash value returned by the block chain system;
the method comprises the steps of sending a writing request to an electronic tag subunit so that the electronic tag subunit writes the first transaction hash value and first signature information into an RFID electronic tag, and checking the first signature information after a first receiving party terminal obtains the first transaction hash value through the electronic tag subunit; wherein the first signature information is generated by the association subunit signing the first transaction content by the private key of the first sender terminal.
6. The method of claim 5, wherein the first receiver terminal obtaining, by the electronic tag subunit, the first transaction hash value and then verifying the first signature information, comprising:
transmitting a reading request to an electronic tag subunit for the electronic tag subunit to read a first transaction hash value and first signature information in the RFID electronic tag, and transmitting the first transaction hash value and the first signature information to an associated subunit;
transmitting the first transaction hash value to a transaction processing subunit for the transaction processing subunit to acquire a first user ID in the first transaction from a blockchain; and acquiring a public key of a first sender terminal corresponding to the first user ID according to the first user ID, and verifying the first signature information through the public key:
and if the verification is passed, acquiring information flow characteristic information of the object.
7. The method of claim 6, wherein the method further comprises:
and sending the information flow characteristic information of the object to the man-machine interaction subunit, and displaying the information flow characteristic information on a man-machine interaction interface for a user to check after decoding by the man-machine interaction subunit.
8. The method of any of claims 5-7, wherein the first transaction further comprises a first geographic location of a first sender terminal, the method further comprising:
a location information request is sent to the GPS subunit to obtain a first geographic location of the first sender terminal.
9. The method of any of claims 5-7, wherein the first transaction further comprises a physical picture, the method further comprising:
and sending the picture request information to the camera subunit to acquire the object picture of the object so as to enable the final object receiving user to compare after receiving the object.
10. The method of claim 6, wherein after verifying that the first signature information passes, the method further comprises:
acquiring current first transaction hash and first signature information from an electronic tag subunit, receiving second information content sent by a first receiver terminal, and generating a second transaction from the first transaction hash, the first signature information and the second information content so that the transaction subunit can send the second transaction to a blockchain system; wherein the second information content includes a third ID of a second receiver terminal;
receiving a second transaction hash value returned by the block chain system;
sending a writing request to the electronic tag subunit so that the electronic tag subunit writes the second transaction hash value and the second signature information into the RFID electronic tag, and the second receiver terminal verifies the second signature information after acquiring the second transaction hash value through the electronic tag subunit; wherein the second signature information is generated by the association subunit signing the second transaction content by the private key of the first receiver terminal.
11. The method of claim 10, wherein the step of determining the position of the first electrode is performed,
and deleting the first signature information and the first transaction hash value stored in the RFID electronic tag.
12. The method of claim 11, wherein the last level of transactions is obtained from the blockchain in steps according to the second transaction hash value until the first transaction is traced back to the first sender terminal.
13. The method of claim 12, wherein the plurality of progressively acquired transactions are sent to a human-machine interaction subunit for visual display of the circulation line.
14. An RFID-based information circulation device, the device comprising:
one or more processors;
a memory for storing one or more programs,
the one or more programs, when executed by the one or more processors, cause the one or more processors to perform the method of any of claims 5-13.
15. A storage medium storing a computer program, which when executed by a processor implements the method of any one of claims 5-13.
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