CN114117456A - RFID tag, RFID reader-writer, medicine data recording system and method - Google Patents

RFID tag, RFID reader-writer, medicine data recording system and method Download PDF

Info

Publication number
CN114117456A
CN114117456A CN202010860538.5A CN202010860538A CN114117456A CN 114117456 A CN114117456 A CN 114117456A CN 202010860538 A CN202010860538 A CN 202010860538A CN 114117456 A CN114117456 A CN 114117456A
Authority
CN
China
Prior art keywords
data
module
target data
encrypted
rfid tag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010860538.5A
Other languages
Chinese (zh)
Inventor
尚渭萍
王岳彪
王之涵
刘禹
李挺
吴向军
朱龙龙
员萌
雷洋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Shangpin Information Technology Co ltd
Original Assignee
Shaanxi Shangpin Information Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Shangpin Information Technology Co ltd filed Critical Shaanxi Shangpin Information Technology Co ltd
Priority to CN202010860538.5A priority Critical patent/CN114117456A/en
Publication of CN114117456A publication Critical patent/CN114117456A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/606—Protecting data by securing the transmission between two devices or processes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/602—Providing cryptographic facilities or services
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
    • G06K17/0029—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 the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Medical Treatment And Welfare Office Work (AREA)

Abstract

The application discloses an RFID (radio frequency identification) tag, an RFID reader-writer, a medicine data recording system and a method, wherein the RFID tag comprises a storage module, an encryption module, a first transceiver module and a power supply module, wherein the storage module is used for storing original medicine data, and the original medicine data comprises target data and a unique identifier of the RFID tag; the encryption module is connected with the storage module and is used for encrypting the target data to obtain encrypted target data; the first transceiver module is connected with the encryption module and used for sending the encrypted target data to the RFID reader-writer; the power supply module is respectively connected with the encryption module and the first transceiver module and is used for providing working voltage for the RFID tag when the encryption module encrypts and the first transceiver module transmits encrypted target data. The RFID tag can encrypt data stored in the RFID tag, so that tampering is reduced, and the safety in the data transmission process is improved.

Description

RFID tag, RFID reader-writer, medicine data recording system and method
Technical Field
The application belongs to the technical field of clinical medicine tests, and particularly relates to an RFID (radio frequency identification) tag, an RFID reader-writer, a medicine data recording system and a medicine data recording method.
Background
As networks have become more developed, more and more data information is transmitted over the networks. In the field of clinical trials of drugs, in order to ensure the effect of clinical trials, drug data needs to be collected and managed. The traditional medicine tracing management system usually adopts a centralized storage mode, data is mastered by a few organizations in the mode, and when problems occur and the stored medicine record data needs to be traced and inquired, if a data maintenance manager is a stakeholder, the manager may tamper the data.
In order to solve the problem that data is easy to be tampered due to a centralized storage mode, a distributed storage mode is widely applied. In the distributed storage mode, in order to collect and manage medicine data, an RFID (Radio Frequency Identification) technology may be used, in which an RFID tag is attached to a medicine to be monitored, a non-contact data communication is performed between an RFID reader and the RFID tag, data in the RFID tag is read by the RFID reader, and then the data is distributed and stored.
However, when the RFID tag communicates with the RFID reader, the security is low, and the data is still susceptible to being tampered.
Disclosure of Invention
In order to improve the safety of communication between an RFID tag and an RFID reader-writer, the application provides the RFID tag, the RFID reader-writer, and a medicine data recording system and method. The technical problem to be solved by the application is realized by the following technical scheme:
in a first aspect, embodiments of the present application provide an RFID tag, which includes a storage module, an encryption module, a first transceiver module, and a power supply module, wherein,
the storage module is used for storing original medicine data, and the original medicine data comprises target data and the unique identification of the RFID label;
the encryption module is connected with the storage module and is used for encrypting the target data to obtain encrypted target data;
the first transceiver module is connected with the encryption module and used for sending the encrypted target data to the RFID reader-writer;
the power module is respectively connected with the encryption module and the first transceiver module and is used for providing working voltage for the RFID tag when the encryption module encrypts and the first transceiver module transmits the encrypted target data.
The RFID tag can store original medicine data and encrypt target data to be transmitted in the original medicine data, so that the safety and reliability of communication between the RFID tag and an RFID reader-writer are guaranteed, and the safety problem caused by tampering of the medicine data is avoided.
In one implementation manner of the present application, the encryption module includes a first preset parameter storage sub-module, a first judgment sub-module, and a first calculation sub-module, wherein,
the first preset parameter storage submodule is used for storing a product A of a first preset prime number and a second preset prime number and a preset data length;
the first judgment submodule is used for judging whether the length of the target data is greater than the preset data length;
the first computation submodule is configured to:
when the length of the target data is greater than the preset length, splitting the target data into a plurality of groups of data subsets, wherein the length of each group of data subsets is less than the product of the first preset prime number and the second preset prime number, and encrypting each group of data subsets respectively to obtain a plurality of groups of encrypted data subsets;
and when the length of the target data is not greater than the preset length, integrally encrypting the target data to obtain encrypted target data.
The encryption module of the RFID tag can preset relevant encryption parameters and encrypt target data in different modes according to the length of the target data, namely, for the target data with shorter length, the target data is encrypted integrally to obtain encrypted target data for subsequent transmission; for target data with longer length, the target data can be divided into a plurality of groups of data subsets, each group of data subsets is encrypted respectively to obtain a plurality of groups of encrypted data subsets, and the plurality of groups of encrypted data subsets are subjected to data transmission respectively in the follow-up process, so that the communication safety between the RFID tag and the RFID reader-writer is further ensured.
In an implementation manner of the present application, the power module is further configured to control the RFID tag to be in a low power consumption state when the RFID tag does not transmit the encrypted target data.
According to the power supply module in the RFID tag, when the fact that the first transceiver module is sending the encrypted target data is detected, the power supply module can provide working voltage for the RFID tag, and low voltage is kept under other conditions, so that normal work of the RFID tag is kept on one hand, and consumption of electric energy is saved on the other hand.
In one implementation of the present application, the power module includes a detection sub-module, a control sub-module, and a power supply sub-module, wherein,
the detection submodule is connected with the first transceiver module and the control submodule and is used for:
when the first transceiver module is detected not to send the encrypted target data, sending first indication information to the control sub-module, wherein the first indication information is used for indicating the control sub-module to control the power supply sub-module so that the RFID tag enters a low power consumption state;
when detecting that the first transceiver module is sending the encrypted target data, sending second indication information to the control submodule, wherein the second indication information is used for indicating the control submodule to control the power supply submodule to provide working voltage for the RFID tag, and the second indication information carries a preset voltage value.
In this application, power module has the detection function, can real-time detection first transceiver module's operating condition promptly to adjust power supply sub module in real time according to first transceiver module's operating condition and supply power or be in the low-power consumption state, thereby can adjust the power supply state in real time, save electric energy consumption.
In a second aspect, an embodiment of the present application provides an RFID reader, including a second transceiver module, a processing module, and a communication module, where,
the second transceiver module is used for receiving encrypted target data sent by the RFID tag and sending the encrypted target data to the processing module, wherein the encrypted target data is obtained by encrypting target data in original medicine data by the RFID tag;
the processing module is used for processing the encrypted target data to obtain processed data;
the communication module is used for transmitting the processed data to a target block chain.
According to the FRID reader-writer, in the process of reading and writing the encrypted target data sent by the RFID label, the encrypted target data is subjected to a data processing process, and the processed data is transmitted to the target block chain, so that drug data can be managed based on the target block chain.
In an implementation manner of the present application, the processing module is specifically configured to:
and processing the format of the encrypted target data according to a preset data format, so that the processed data format meets the preset data format condition.
In the application, a processing module in the RFID reader can perform format adjustment on encrypted target data from the RFID tag according to a preset data format, so as to perform data interaction with mobile terminals with different data formats.
In an implementation manner of the present application, the processing module is specifically configured to:
decrypting the encrypted target data to obtain decrypted medicine data;
and carrying out Hash calculation on the decrypted medicine data to obtain the processed data.
In the application, the processing module in the FRID reader-writer can also decrypt encrypted target data sent by the RFID tag, perform Hash calculation on the decrypted medicine data, and transmit the data subjected to Hash calculation to the target block chain, so that the reliability of data transmission between the FRID reader-writer and the block chain can be effectively improved.
In one implementation manner of the present application, the processing module includes a second preset parameter storage sub-module, a second judgment sub-module and a second calculation sub-module,
the second preset parameter storage submodule is used for storing the product of the first preset prime number and the second preset prime number;
the second judgment submodule is used for judging whether the received encrypted target data consists of a plurality of groups of encrypted data subsets, and the plurality of groups of encrypted data subsets are obtained by splitting and sequentially encrypting the target data when the RFID tag judges that the length of the target data is greater than a preset length;
the second computation submodule is configured to:
when the received encrypted target data consists of a plurality of groups of encrypted data subsets, respectively decrypting each group of encrypted data subsets to obtain a plurality of groups of data subsets;
and when the received encrypted target data is not composed of a plurality of groups of encrypted data subsets, integrally decrypting the encrypted target data to obtain decrypted medicine data.
The processing module of the FRID reader-writer can preset relevant decryption parameters and judge whether the received encrypted target data consists of multiple groups of encrypted data subsets or not, namely when the received encrypted target data consists of multiple groups of encrypted data subsets, each group of encrypted data subsets are respectively decrypted to obtain multiple groups of data subsets, and then complete medicine data are formed again through the multiple groups of data subsets; and when the received encrypted target data is not composed of a plurality of groups of encrypted data subsets, decrypting the encrypted target data to obtain decrypted medicine data. In the communication process between the RFID tag and the RFID reader-writer, the target data is firstly encrypted in the RFID tag to obtain encrypted target data, then the encrypted target data is transmitted to the RFID reader-writer in an encrypted state, and then the original target data is obtained by decryption of the RFID reader-writer, so that the communication safety between the RFID tag and the RFID reader-writer is ensured on one hand, and the accuracy and the integrity of the transmitted data are also ensured on the other hand.
In an implementation manner of the present application, the communication module is further configured to transmit the processed data to a target mobile terminal, so that the target mobile terminal displays the processed data.
As described above, the processing module in the RFID reader of the present application can perform format adjustment on the encrypted target data from the RFID tag according to the preset data format. Correspondingly, the communication module in the FRID reader-writer can be in wired or wireless connection with a plurality of different target mobile terminals, so that data interaction can be carried out with different mobile terminals with different data formats.
In a third aspect, embodiments of the present application provide a drug data recording system, including an RFID tag, an RFID reader, and a target block chain,
the RFID tag is the RFID tag of any one of the above embodiments;
the RFID reader is the RFID reader described in any of the above embodiments.
In the medicine data recording system provided by the embodiment of the application, the RFID tag can store original medicine data and encrypt target data to be transmitted in the original medicine data, so that the safety and reliability of communication between the RFID tag and an RFID reader-writer are ensured, and the safety problem caused by falsification of the medicine data is avoided; meanwhile, the FRID reader can perform decryption and data processing on the encrypted target data in the process of reading and writing the encrypted target data sent by the RFID tag, and transmit the processed data to a target block chain so as to manage the medicine data based on the target block chain.
In a fourth aspect, an embodiment of the present application provides a drug data recording method, where the method includes:
the RFID label encrypts target data in the original medicine data to obtain encrypted target data;
the RFID label sends the encrypted target data to an RFID reader-writer;
and the RFID reader processes the encrypted target data to obtain processed data, and transmits the processed data to a target block chain.
The medicine data recording method provided by the embodiment of the application is based on the RFID tag and the RFID reader-writer, so that the safety and reliability of communication between the RFID tag and the RFID reader-writer are guaranteed, a manager or a third party can be effectively prevented from tampering medicine data, and the safety of the medicine data is guaranteed.
In an implementation manner of the present application, the processing, by the RFID reader, the encrypted target data includes:
and the RFID reader processes the format of the encrypted target data according to a preset data format, so that the processed data format meets the preset data format.
According to the medicine data recording method provided by the embodiment of the application, the FRID reader-writer can perform format adjustment on encrypted target data from the RFID tag according to a preset data format so as to perform data interaction with mobile terminals with different data formats.
In an implementation manner of the present application, the processing, by the RFID reader, the encrypted target data includes:
decrypting the encrypted target data to obtain decrypted medicine data;
and carrying out Hash calculation on the decrypted medicine data.
According to the medicine data recording method provided by the embodiment of the application, the FRID reader-writer can also decrypt encrypted target data sent by the RFID label, hash calculation processing is carried out on the decrypted medicine data, and then the data subjected to hash calculation processing is transmitted to the target block chain, so that the reliability of data transmission between the FRID reader-writer and the block chain can be effectively improved.
The present application will be described in further detail with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic structural diagram of an RFID tag provided in an embodiment of the present application;
FIG. 2 is a schematic diagram schematically illustrating connection of an RFID tag with an RFID reader/writer and a target block chain according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an encryption module of an RFID tag according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a power module of an RFID tag according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of an RFID reader provided in an embodiment of the present application;
fig. 6 is a schematic structural diagram of a processing module of an RFID reader provided in an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a drug data recording system according to an embodiment of the present application;
fig. 8 is a schematic diagram illustrating an interaction process between an RFID tag and an RFID reader/writer of a drug data recording system according to an embodiment of the present application and a target block chain;
fig. 9 is a schematic processing diagram of an RFID reader according to an embodiment of the present application;
fig. 10 is a schematic view of an interaction process between an RFID tag of a drug data recording system, an RFID reader, and a mobile terminal according to an embodiment of the present application.
Detailed Description
In order to further explain the technical means and effects of the present application for achieving the predetermined invention, the following detailed description is made with reference to the accompanying drawings and the detailed description of the embodiments of the present application for the RFID tag, the RFID reader, the drug data recording system and the method according to the present application.
In order to improve the security of communication between an RFID tag and an RFID reader, an embodiment of the present application provides an RFID tag. Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an RFID tag according to an embodiment of the present application; fig. 2 is a schematic diagram exemplarily illustrating connection between an RFID tag and an RFID reader/writer, target block chain according to an embodiment of the present application. The RFID tag comprises a storage module 10, an encryption module 20, a first transceiver module 30 and a power supply module 40, wherein the storage module 10 is used for storing original medicine data, the original medicine data comprises target data and a unique identifier of the RFID tag, and the target data is clinical test data written into an RFID chip of the medicine; the encryption module 20 is connected to the storage module 10 and is configured to encrypt the target data to obtain encrypted target data; the first transceiver module 30 is connected to the encryption module 20 and is configured to send the encrypted target data to the RFID reader; the power module 40 is respectively connected to the encryption module 20 and the first transceiver module 30, and is configured to provide a working voltage for the RFID tag when the encryption module 20 encrypts and the first transceiver module 30 transmits encrypted target data.
The medicines all have identifications, and the identifications of the medicines are unique identifications uid (unique identification) of RFID chips of the medicines, wherein the RFID chips of the medicines are usually disposed on outer packages of the medicines or outer packages of the minimum unit level. That is to say, the RFID label that this application provided pastes on medicine packing carton, can save medicine data and carry out encryption processing to the target data that awaits transmission in the medicine data, has guaranteed the safe and reliable of communication between RFID label and the RFID read write line, has reduced the safety problem that medicine data was falsified and aroused.
Specifically, the encryption module 20 can obtain the target data stored in the storage module 10 for encryption, obtain the encrypted target data, and after the encryption operation is finished, the first transceiver module 30 obtains the encrypted target data and transmits the encrypted target data to the RFID reader. In the process of communication between the RFID tag and the RFID reader-writer, target data including drug clinical test data is encrypted, so that tampering of drug record data by a manager or a third party can be effectively reduced, and the safety of the data is ensured.
Further, please refer to fig. 3, where fig. 3 is a schematic structural diagram of an encryption module of an RFID tag according to an embodiment of the present application. The encryption module 20 of the present embodiment includes a first preset parameter storage sub-module 201, a first judgment sub-module 202, and a first calculation sub-module 203. The first preset parameter storage submodule 201 is configured to store a product of a first preset prime number and a second preset prime number, and a preset data length; the first determining sub-module 202 is configured to determine whether the length of the target data is greater than a preset data length. The first preset parameter storage sub-module 201 may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory.
The first preset prime number, the second preset prime number, a product A of the first preset prime number and the second preset prime number, and the preset data length are all parameters required in an encryption formula in an encryption process, the first preset prime number and the second preset prime number are two preset large prime numbers, the preset data length x is an integer, x is larger than 1 and smaller than an Euler function value of the product A of the first preset prime number and the second preset prime number, and the maximum common divisor of x and the Euler function value is 1.
Further, the first calculation submodule 203 is configured to: when the length of the target data is larger than the preset length, the target data is divided into a plurality of groups of data subsets, the length of each group of data subsets is smaller than the product A of a first preset prime number and a second preset prime number, and each group of data subsets is encrypted respectively to obtain a plurality of groups of encrypted data subsets.
In one implementation, each set of data subsets is encrypted separately using a first encryption formula, where the first encryption formula is:
Bj＝(Lj)x mod A，
wherein L isjFor the jth data subset, BjThe j set of encrypted data subsets, x is an integer, x is greater than 1 and less than the Euler function value of A, and the greatest common divisor of x and the Euler function value is 1;
and when the length of the target data is not greater than the preset length, integrally encrypting the target data to obtain the encrypted target data.
In one implementation, the target data is encrypted integrally by using a second encryption formula, where the second encryption formula is:
B＝(L)x mod A，
wherein, L is the target data, and B is the encrypted target data.
That is to say, the encryption module 20 of this embodiment can preset a relevant encryption manner, and encrypt the target data in different manners according to the length of the target data, that is, encrypt the whole target data for the target data with shorter length, and obtain the encrypted target data for subsequent transmission; for target data with longer length, the target data can be divided into a plurality of groups of data subsets, each group of data subsets is encrypted respectively to obtain a plurality of groups of encrypted data subsets, and then the plurality of groups of encrypted data subsets are subjected to data transmission respectively, so that the communication safety between the RFID tag and the RFID reader-writer is further ensured.
It should be noted that, in other embodiments, the encryption module 20 may encrypt the target data through other encryption algorithms. Illustratively, the encryption algorithm may be a symmetric encryption algorithm, an asymmetric encryption algorithm, or a hash algorithm, among others. Wherein, the hash algorithm is also called as hash algorithm; the symmetric Encryption algorithm mainly includes a Data Encryption Standard (DES) algorithm, a 3DES algorithm, an Advanced Encryption Standard (AES) algorithm, and the like; the asymmetric Algorithm mainly includes RSA Algorithm, DSA (Digital Signature Algorithm), and the like; the Hash Algorithm mainly includes SHA-1(Secure Hash Algorithm 1), MD5(Message-Digest Algorithm), Hash salting Algorithm, and so on.
Further, the power module 40 is also used to control the RFID tag to be in a low power consumption state when the RFID tag does not transmit the encrypted target data. That is, the power module 40 of this embodiment can provide the operating voltage for the RFID tag when detecting that the first transceiver module is transmitting the encrypted tag data, and maintain the low voltage when the encrypted target data is not transmitted to the RFID reader, so as to maintain the normal operation of the RFID tag on the one hand and save the consumption of electric power on the other hand.
Specifically, please refer to fig. 4, where fig. 4 is a schematic structural diagram of a power module of an RFID tag according to an embodiment of the present application. The power module 40 includes a detection submodule 401, a control submodule 402 and a power supply submodule 403, where the detection submodule 401 is connected to the first transceiver module 30 and the control submodule 402, and is configured to send first indication information to the control submodule 402 when it is detected that the encrypted target data is not sent by the first transceiver module 30, where the first indication information is used to indicate the control submodule 402 to control the power supply submodule 403 so as to enable the RFID tag to enter a low power consumption state; when detecting that the first transceiver module 30 is sending the encrypted target data, sending second indication information to the control submodule 402, where the second indication information is used to indicate the control submodule 402 to control the power supply submodule 403 to provide a working voltage for the RFID tag, and the second indication information carries a preset voltage value.
The power module of this embodiment has the detection function, can real-time detection first transceiver module's operating condition promptly to adjust power supply module in real time according to first transceiver module's operating condition and supply power or be in the low-power consumption state, thereby can adjust the power supply state in real time, save electric energy consumption.
Based on the above embodiments, another embodiment of the present application provides an RFID reader. Referring to fig. 5, fig. 5 is a schematic structural diagram of an RFID reader according to an embodiment of the present disclosure. The RFID reader comprises a second transceiver module 50, a processing module 60 and a communication module 70, wherein the second transceiver module 50 is configured to receive encrypted target data sent by an RFID tag, and send the encrypted target data to the processing module 60, where the encrypted target data is obtained by encrypting target data in original drug data by the RFID tag; the processing module 60 is configured to process the encrypted target data to obtain processed data; the communication module 70 is used for transmitting the processed data to the target block chain.
The RFID reader provided in this embodiment performs a data processing process on encrypted target data in a process of reading and writing the encrypted target data sent by the RFID tag, and transmits the processed data to the target block chain, so that management of drug data can be performed based on the target block chain. In application, when the RFID reader starts to identify, after the RFID tag is activated, the RFID reader encrypts the target data stored in the RFID tag storage module 10 to form encrypted target data, and then sends the encrypted target data and the unique identifier of the RFID tag to the RFID reader, and the RFID reader can perform data processing on the received encrypted target data.
In one implementation, the processing module 60 is specifically configured to process the format of the encrypted target data according to a preset data format, so that the processed data format meets a preset data format condition.
The processing module in the FRID reader-writer can adjust the format of the encrypted target data from the RFID tag according to a preset data format so as to interact data with mobile terminals with different data formats. That is, the user of the mobile terminal device can acquire the processed data on the RFID reader by using the communication function on the terminal device. The mobile terminal may be, for example, a mobile phone, a notebook, a tablet computer, etc. capable of recognizing different data formats.
Correspondingly, the communication module 70 is further configured to transmit the processed data to the target mobile terminal, so that the target mobile terminal displays the processed data. Specifically, the RFID reader may be communicatively connected to the target mobile terminal through the communication module 70. The communication module 70 may include, for example, a WIFI (Wireless-Fidelity) module or a communication interface.
In an optional implementation manner, when the RFID reader is integrated with a Wi-Fi module and located within a coverage area of a wireless local area network, the RFID reader may transmit the processed data to the target mobile terminal through the internet.
In another optional implementation manner, when the distance between the RFID reader and the target mobile terminal is short, the RFID reader may transmit the processed data to the target mobile terminal through any one of the integrated communication interfaces. The communication interface referred to herein may include: a bluetooth interface, a USB (Universal Serial Bus) interface, a Serial data communication interface, an ethernet interface, or the like. It will be appreciated that the target mobile terminal is integrated with the same communication interface as that used by the RFID reader.
In another implementation, the processing module 60 is specifically configured to decrypt the encrypted target data to obtain decrypted medicine data; and carrying out Hash calculation on the decrypted medicine data to obtain processed data.
The hash calculation is a one-way cryptosystem and is an irreversible mapping process, and the reliability of data transmission between the FRID reader and the block chain can be effectively improved by performing hash calculation on the decrypted medicine data. Further, please refer to fig. 6, where fig. 6 is a schematic structural diagram of a processing module of an RFID reader according to an embodiment of the present application. Corresponding to the encryption module shown in fig. 3, the processing module 60 of this embodiment includes a second preset parameter storage sub-module 601, a second judgment sub-module 602, and a second calculation sub-module 603, where the second preset parameter storage sub-module 601 is configured to store a product of a first preset prime number and a second preset prime number; the second determining sub-module 602 is configured to determine whether the received encrypted target data is composed of multiple sets of encrypted data subsets, where the multiple sets of encrypted data subsets are obtained by splitting the target data and sequentially encrypting the target data by using the first encryption formula when the length of the target data is determined to be greater than a preset length by the RFID tag.
The second computation submodule 603 is configured to, when the received encrypted target data is composed of multiple sets of encrypted data subsets, decrypt each set of encrypted data subsets respectively to obtain multiple sets of data subsets.
In one implementation, each set of encrypted data subsets is decrypted separately using a first decryption formula, where the first decryption formula is:
Lj＝Bj d(modA)，
wherein L isjFor the jth data subset, BjFor the jth set of encrypted data subsets, xd ═ 1(modF), F is the euler function value of a, x is an integer, x is greater than 1 and less than F, and the greatest common divisor of x and F is 1;
and when the received encrypted target data is not composed of a plurality of groups of encrypted data subsets, integrally decrypting the encrypted target data to obtain decrypted medicine data.
In one implementation, the encrypted target data is decrypted integrally by using a second decryption formula, where the second decryption formula is:
L＝Bd(modA)，
wherein, L is the target data, and B is the encrypted target data.
The processing module of the FRID reader-writer of the embodiment can preset relevant decryption parameters and judge whether the received encrypted target data consists of multiple groups of encrypted data subsets, namely when the received encrypted target data consists of multiple groups of encrypted data subsets, respectively decrypting each group of encrypted data subsets to obtain multiple groups of data subsets, and then recombining complete drug data through the multiple groups of data subsets; and when the received encrypted target data is not composed of a plurality of groups of encrypted data subsets, decrypting the encrypted target data to obtain decrypted medicine data. In the communication process between the RFID tag and the RFID reader-writer, the target data is firstly encrypted in the RFID tag to obtain encrypted target data, then the encrypted target data is transmitted to the RFID reader-writer in an encrypted state, and then the decrypted data is obtained by decryption of the RFID reader-writer, so that the communication safety between the RFID tag and the RFID reader-writer is ensured on one hand, and the accuracy and the integrity of the transmitted data are also ensured on the other hand.
As described above, in other embodiments, the RFID tag may encrypt the target data through other encryption algorithms, and correspondingly, the processing module 60 may decrypt the target data through other decryption algorithms. It should be understood that, when the processing module 60 of the RFID reader decrypts the encrypted target data, the decryption algorithm used is a decryption algorithm corresponding to the encryption algorithm used by the RFID tag to encrypt the target data.
On the basis of the above embodiments, the embodiment of the present application further provides a drug data recording system. Referring to fig. 7, fig. 7 is a schematic structural diagram of a drug data recording system according to an embodiment of the present application. The drug data recording system comprises an RFID tag, an RFID reader and a target block chain. The RFID label comprises a storage module, an encryption module, a first transceiver module and a power supply module, wherein the storage module is used for storing original medicine data, and the original medicine data comprises target data and a unique identifier of the RFID label; the encryption module is connected with the storage module and is used for encrypting the target data to obtain encrypted target data; the first transceiver module is connected with the encryption module and used for sending the encrypted target data to the RFID reader-writer; the power supply module is respectively connected with the storage module, the encryption module and the first transceiver module and is used for providing working voltage for the RFID tag when the first transceiver module transmits encrypted target data.
Correspondingly, the RFID reader-writer comprises a second transceiver module, a processing module and a communication module, wherein the second transceiver module is used for receiving encrypted target data sent by the RFID tag and sending the encrypted target data to the processing module, and the encrypted target data is obtained by encrypting target data in original medicine data by the RFID tag; the processing module is used for processing the encrypted target data to obtain processed data; and the communication module is used for transmitting the processed data to the target block chain.
For specific working modes of the RFID tag and the RFID reader, reference may be made to the above embodiments of the RFID tag and the RFID reader, and details are not described here.
In the medicine data recording system provided by this embodiment, the RFID tag can store original medicine data and encrypt target data to be transmitted in the original medicine data, so that the communication between the RFID tag and the RFID reader is secure and reliable, and a security problem caused by falsification of medicine data is avoided; meanwhile, the FRID reader-writer can process the encrypted target data in the process of reading and writing the encrypted target data sent by the RFID label, and transmit the processed data to the target block chain so as to manage the medicine data based on the target block chain.
Based on the same inventive concept, the embodiment of the application provides a medicine data recording method, which is applied to a medicine data recording system, wherein the medicine data recording system comprises an RFID label, an RFID reader-writer and a target block chain.
Referring to fig. 8, fig. 8 is a schematic view illustrating an interaction process between an RFID tag, an RFID reader, and a target block chain of a drug data recording system according to an embodiment of the present application. The drug data recording method may include the steps of:
s1: and the RFID label encrypts target data in the original medicine data to obtain encrypted target data.
Wherein the raw drug data comprises the target data and the unique identification of the RFID tag. The target data are: clinical trial data in which the drug has been written into its own RFID chip.
Specifically, the RFID tag can preset relevant encryption parameters and encrypt different target data according to the length of the target data, that is, encrypt the whole target data for the target data with a shorter length to obtain the encrypted target data for subsequent transmission; for target data with longer length, the target data can be divided into a plurality of groups of data subsets, each group of data subsets is encrypted respectively to obtain a plurality of groups of encrypted data subsets, and then the plurality of groups of encrypted data subsets are subjected to data transmission respectively, so that the communication safety between the RFID tag and the RFID reader-writer is further ensured.
Illustratively, the RFID tag has an encryption module, which includes a first preset parameter storage sub-module, a first judgment sub-module and a first calculation sub-module, wherein,
the first preset parameter storage submodule is used for storing a product A of a first preset prime number and a second preset prime number and a preset data length;
the first judgment submodule is used for judging whether the length of the target data is greater than the preset data length;
the first computation submodule is used for:
when the length of the target data is greater than the preset length, splitting the target data into a plurality of groups of data subsets, wherein the length of each group of data subsets is less than a product A of a first preset prime number and a second preset prime number, and encrypting each group of data subsets by adopting a first encryption formula to obtain a plurality of groups of encrypted data subsets, wherein the first encryption formula is as follows:
Bj＝(Lj)x mod A，
wherein L isjFor the jth data subset, BjThe j set of encrypted data subsets, x is an integer, x is greater than 1 and less than the Euler function value of A, and the greatest common divisor of x and the Euler function value is 1;
when the length of the target data is not more than the preset length, a second encryption formula is adopted to operate the target data to obtain encrypted target data, wherein the second encryption formula is as follows:
B＝(L)x mod A，
wherein, L is the target data, and B is the encrypted target data.
S2: the RFID tag sends the encrypted target data to the RFID reader-writer.
The RFID tag can be at a working voltage when encryption is carried out and encrypted target data are transmitted to the RFID reader-writer, and can be kept at a low voltage when encryption is not carried out and the encrypted target data are not transmitted to the RFID reader-writer, so that the normal operation of the RFID tag is kept on one hand, and the consumption of electric energy is saved on the other hand.
S3: and the RFID reader processes the encrypted target data to obtain processed data, and transmits the processed data to the target block chain.
Specifically, please refer to fig. 9, where fig. 9 is a schematic processing procedure diagram of an RFID reader according to an embodiment of the present application. S3 includes:
s31: and the second transceiving module of the RFID reader transmits the encrypted target data to the processing module.
And S32, the processing module decrypts the encrypted target data to obtain the decrypted medicine data.
Corresponding to the encryption process of the RFID tag in S1, the RFID reader can preset relevant decryption parameters, and determine whether the received encrypted target data consists of multiple sets of encrypted data subsets, that is, when the received encrypted target data consists of multiple sets of encrypted data subsets, each set of encrypted data subsets is decrypted respectively to obtain multiple sets of data subsets, and then complete drug data is re-composed by the multiple sets of data subsets; and when the received encrypted target data is not composed of a plurality of groups of encrypted data subsets, decrypting the encrypted target data to obtain decrypted medicine data. In the communication process between the RFID tag and the RFID reader-writer, the target data is firstly encrypted in the RFID tag to obtain encrypted target data, then the encrypted target data is transmitted to the RFID reader-writer in an encrypted state, and then the original target data is obtained by decryption of the RFID reader-writer, so that the communication safety between the RFID tag and the RFID reader-writer is ensured on one hand, and the accuracy and the integrity of the transmitted data are also ensured on the other hand.
Specifically, the FRID reader-writer is provided with a processing module, the processing module comprises a second preset parameter storage submodule, a second judgment submodule and a second calculation submodule, and the second preset parameter storage submodule is used for storing a product a of a first preset prime number and a second preset prime number; the second judgment submodule is used for judging whether the received encrypted target data is composed of a plurality of groups of encrypted data subsets, and the plurality of groups of encrypted data subsets are obtained by splitting the target data and sequentially encrypting the target data by adopting the first encryption formula when the RFID tag judges that the length of the target data is greater than the preset length.
The second calculation submodule is used for decrypting each group of encrypted data subsets by adopting a first decryption formula when the received encrypted target data consists of a plurality of groups of encrypted data subsets to obtain a plurality of groups of data subsets, and the first decryption formula is as follows:
Lj＝Bj d(modA)，
wherein L isjFor the jth data subset, BjFor the jth set of encrypted data subsets, xd ═ 1(modF), F is the euler function value of a, x is an integer, x is greater than 1 and less than F, and the greatest common divisor of x and F is 1;
when the received encrypted target data is not composed of a plurality of groups of encrypted data subsets, decrypting the encrypted target data by adopting a second decryption formula to obtain decrypted medicine data, wherein the second decryption formula is as follows:
L＝Bd(modA)，
wherein, L is the target data, and B is the encrypted target data.
And S33, the processing module performs hash calculation on the decrypted medicine data.
S34: and the communication module transmits the data after the hash calculation to the target block chain.
In this embodiment, the data after the calculation processing is sent to the target block chain through the hash calculation, so that the reliability of data transmission between the rfid reader and the block chain can be effectively improved.
Referring to fig. 10, fig. 10 is a schematic view illustrating an interaction process between an RFID tag of a drug data recording system, an RFID reader, and a mobile terminal according to an embodiment of the present application. The medicine data recording method of the embodiment of the application further comprises the following steps:
s1': and the RFID label encrypts target data in the original medicine data to obtain encrypted target data.
S2': the RFID tag sends the encrypted target data to the RFID reader-writer.
S3': the RFID reader/writer performs format adjustment of the encrypted target data from the RFID tag according to a preset data format.
S4': and the RFID reader transmits the processed data to the mobile terminal.
Specifically, the RFID reader of this embodiment can process the format of the encrypted target data according to the preset data format, so that the processed data format meets the preset data format condition, and can also transmit the processed data to the target mobile terminal, so that the target mobile terminal displays the processed data, that is, a user of the mobile terminal device can obtain the processed data on the RFID reader by using the communication function on the terminal device. Specifically, the RFID reader may be in communication connection with the target mobile terminal through the communication module. The communication module may include, for example, a WIFI module or a communication interface.
In an optional implementation manner, when the RFID reader is integrated with a Wi-Fi module and located within a coverage area of a wireless local area network, the RFID reader may transmit the processed data to the target mobile terminal through the internet. In yet another alternative embodiment, when the RFID reader is located close to the target mobile terminal, the RFID reader may transmit the processed data to the target mobile terminal through any one of the integrated communication interfaces. The communication interface referred to herein may include: a bluetooth interface, a USB (Universal Serial Bus) interface, a Serial data communication interface, an ethernet interface, or the like. It will be appreciated that the target mobile terminal is integrated with the same communication interface as that used by the RFID reader.
Corresponding to the medicine data recording method provided by the embodiment of the application, the embodiment of the application also provides another RFID tag, and the RFID tag comprises: a processor and a memory, the memory storing one or more computer programs, the processor when executing the computer programs implementing the steps of:
1) target data stored within the RFID tag is obtained, the target data being clinical trial data in which the drug has been written into its own RFID chip.
2) And judging whether the length of the target data is larger than the preset data length.
3) And for target data with the length not greater than the preset data length, encrypting the whole target data to obtain encrypted target data.
4) And for target data with the length larger than the preset data length, splitting the target data into a plurality of groups of data subsets, and encrypting each group of data subsets respectively to obtain a plurality of groups of encrypted data subsets.
5) And transmitting the encrypted target data or the plurality of groups of encrypted data subsets to the RFID reader-writer.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
Corresponding to the medicine data recording method provided by the embodiment of the application, the embodiment of the application also provides another RFID reader-writer, and the RFID reader-writer comprises: a processor and a memory, the memory storing one or more computer programs, the processor when executing the computer programs implementing the steps of:
a) encrypted target data is received from the RFID tag.
b) It is determined whether the encrypted target data is composed of a plurality of sets of encrypted data subsets.
c) Decrypting the encrypted target data according to the judgment result of the step b) to obtain decrypted medicine data.
e) And carrying out Hash calculation on the decrypted medicine data to obtain processed data.
f) And transmitting the processed data to the target block chain.
The memory may include random access memory, and may also include non-volatile memory, such as at least one disk memory.
The processor can be a general processor, including a central processing unit, a network processor, etc.; but may also be a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
While the present application has been described in connection with various embodiments, other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed application, from a review of the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. A single processor or other unit may fulfill the functions of several items recited in the claims. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage.
The foregoing is a more detailed description of the present application in connection with specific preferred embodiments and it is not intended that the present application be limited to these specific details. For those skilled in the art to which the present application pertains, several simple deductions or substitutions may be made without departing from the concept of the present application, and all should be considered as belonging to the protection scope of the present application.

Claims (13)

1. An RFID tag, characterized in that it comprises a memory module (10), an encryption module (20), a first transceiver module (30) and a power supply module (40), wherein,
the storage module (10) is used for storing original medicine data, and the original medicine data comprises target data and the unique identification of the RFID label;
the encryption module (20) is connected with the storage module (10) and is used for encrypting the target data to obtain encrypted target data;
the first transceiver module (30) is connected with the encryption module (20) and is used for sending the encrypted target data to an RFID reader-writer;
the power supply module (40) is respectively connected with the encryption module (20) and the first transceiver module (30), and is used for providing working voltage for the RFID tag when the encryption module (20) encrypts and the first transceiver module (30) transmits the encrypted target data.
2. The RFID tag according to claim 1, wherein the encryption module (20) comprises a first preset parameter storage sub-module (201), a first judgment sub-module (202) and a first calculation sub-module (203), wherein,
the first preset parameter storage submodule (201) is used for storing the product of a first preset prime number and a second preset prime number and the preset data length;
the first judging submodule (202) is used for judging whether the length of the target data is larger than the preset data length;
the first computation submodule (203) is configured to:
when the length of the target data is greater than the preset length, splitting the target data into a plurality of groups of data subsets, wherein the length of each group of data subsets is smaller than the product A of the first preset prime number and the second preset prime number, and encrypting each group of data subsets respectively to obtain a plurality of groups of encrypted data subsets;
and when the length of the target data is not greater than the preset length, integrally encrypting the target data to obtain encrypted target data.
3. The RFID tag of claim 1, wherein the power module (40) is further configured to control the RFID tag to be in a low power consumption state when the encrypted target data is not transmitted by the RFID tag.
4. The RFID tag of claim 3, wherein the power module (40) comprises a detection sub-module (401), a control sub-module (402), and a power supply sub-module (403), wherein,
the detection sub-module (401) is connected to the first transceiver module (30) and the control sub-module (402) and is configured to:
when detecting that the encrypted target data is not sent by the first transceiver module (30), sending first indication information to the control sub-module (402), wherein the first indication information is used for indicating the control sub-module (402) to control the power supply sub-module (403) to enable the RFID tag to enter a low power consumption state;
when detecting that the first transceiver module (30) is sending the encrypted target data, sending second indication information to the control submodule (402), wherein the second indication information is used for indicating the control submodule (402) to control the power supply submodule (403) to provide working voltage for the RFID tag, and the second indication information carries a preset voltage value.
5. An RFID reader-writer, characterized in that it comprises a second transceiver module (50), a processing module (60) and a communication module (70), wherein,
the second transceiver module (50) is configured to receive encrypted target data sent by the RFID tag, and send the encrypted target data to the processing module (60), where the encrypted target data is obtained by encrypting target data in original drug data by the RFID tag;
the processing module (60) is used for processing the encrypted target data to obtain processed data;
the communication module (70) is used for transmitting the processed data to a target block chain.
6. The RFID reader according to claim 5, wherein the processing module (60) is specifically configured to:
and processing the format of the encrypted target data according to a preset data format, so that the processed data format meets the preset data format condition.
7. The RFID reader according to claim 5, wherein the processing module (60) is specifically configured to:
decrypting the encrypted target data to obtain decrypted medicine data;
and carrying out Hash calculation on the decrypted medicine data to obtain the processed data.
8. The RFID reader/writer according to claim 7, characterized in that said processing module (60) comprises a second preset parameter storage submodule (601), a second judgment submodule (602) and a second calculation submodule (603),
the second preset parameter storage submodule (601) is used for storing a product A of a first preset prime number and a second preset prime number;
the second judging submodule (602) is configured to judge whether the received encrypted target data consists of multiple sets of encrypted data subsets, where the multiple sets of encrypted data subsets are obtained by splitting and sequentially encrypting the target data when the RFID tag judges that the length of the target data is greater than a preset length;
the second computation submodule (603) is configured to:
when the received encrypted target data consists of a plurality of groups of encrypted data subsets, respectively decrypting each group of encrypted data subsets to obtain a plurality of groups of data subsets;
and when the received encrypted target data is not composed of a plurality of groups of encrypted data subsets, integrally decrypting the encrypted target data to obtain decrypted medicine data.
9. The RFID reader according to claim 6, wherein the communication module (70) is further configured to transmit the processed data to a target mobile terminal, so that the target mobile terminal displays the processed data.
10. A medicine data recording system is characterized by comprising an RFID label, an RFID reader-writer and a target block chain,
the RFID tag is the RFID tag of any one of claims 1 to 4;
the RFID reader of any one of claims 5 to 9.
11. A method for drug data recording, the method comprising:
the RFID label encrypts target data in the original medicine data to obtain encrypted target data;
the RFID label sends the encrypted target data to an RFID reader-writer;
and the RFID reader processes the encrypted target data to obtain processed data, and transmits the processed data to a target block chain.
12. The drug data recording method according to claim 11, wherein the processing of the encrypted target data by the RFID reader/writer includes:
and the RFID reader processes the format of the encrypted target data according to a preset data format, so that the processed data format meets the preset data format.
13. The drug data recording method according to claim 11, wherein the processing of the encrypted target data by the RFID reader/writer includes:
decrypting the encrypted target data to obtain decrypted medicine data;
and carrying out Hash calculation on the decrypted medicine data.
CN202010860538.5A 2020-08-25 2020-08-25 RFID tag, RFID reader-writer, medicine data recording system and method Pending CN114117456A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010860538.5A CN114117456A (en) 2020-08-25 2020-08-25 RFID tag, RFID reader-writer, medicine data recording system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010860538.5A CN114117456A (en) 2020-08-25 2020-08-25 RFID tag, RFID reader-writer, medicine data recording system and method

Publications (1)

Publication Number Publication Date
CN114117456A true CN114117456A (en) 2022-03-01

Family

ID=80373781

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010860538.5A Pending CN114117456A (en) 2020-08-25 2020-08-25 RFID tag, RFID reader-writer, medicine data recording system and method

Country Status (1)

Country Link
CN (1) CN114117456A (en)

Similar Documents

Publication Publication Date Title
CN110460439A (en) Information transferring method, device, client, server-side and storage medium
CN102831529B (en) A kind of commodity information identification method based on radio frequency and system
US8296852B2 (en) Transponder, RFID system, and method for RFID system with key management
CN102576397B (en) The checking of token and data integrity protection
CN104217327A (en) Financial IC (integrated circuit) card Internet terminal and trading method thereof
CN108347361B (en) Application program testing method and device, computer equipment and storage medium
CN102591824B (en) DMA (direct memory access) controller for controlling security data transfer in SOC (system on a chip) chip system
WO2020224171A1 (en) Data security apparatus and method, electronic device, and storage medium
CN110995720B (en) Encryption method, device, host terminal and encryption chip
CN113114621B (en) Communication method for bus dispatching system and bus dispatching system
CN102855574A (en) Method and system for identifying commodity information based on NFC (Near Field Communication)
CA2550698A1 (en) Method and apparatus for encryption and pass-through handling of confidential information in software applications
CN113780495B (en) NFC tag data writing method and terminal
CN202870900U (en) NFC (Near Field Communication)-based commodity information identification system
CN102662874B (en) Double-interface encryption memory card and management method and system of data in double-interface encryption memory card
CN112231735A (en) Data transmission method and system
CN202870898U (en) Radio frequency-based commodity information identification system
US9756044B2 (en) Establishment of communication connection between mobile device and secure element
CN114117456A (en) RFID tag, RFID reader-writer, medicine data recording system and method
JP4978180B2 (en) Wireless tag, tag system, wireless tag control method, and management method
CN108924144B (en) Data acquisition method, data acquisition system, terminal and diagnosis tool
CN109922056B (en) Data security processing method, terminal and server thereof
CN107317925A (en) Mobile terminal
US20170126669A1 (en) Hard drive management system and method thereof with network authentication function
JP2000078666A (en) Method for revising program in charging state

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination