CN115019454A - Digital RMB double-off-line receiving and paying system and method - Google Patents

Digital RMB double-off-line receiving and paying system and method Download PDF

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Publication number
CN115019454A
CN115019454A CN202210825805.4A CN202210825805A CN115019454A CN 115019454 A CN115019454 A CN 115019454A CN 202210825805 A CN202210825805 A CN 202210825805A CN 115019454 A CN115019454 A CN 115019454A
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China
Prior art keywords
information
processing module
transaction
sending
module
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CN202210825805.4A
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Chinese (zh)
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姜晓西
齐博
董攀
赵辉
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Qixin Micro Shanghai Microelectronics Co ltd
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Qixin Micro Shanghai Microelectronics Co ltd
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Priority to CN202210825805.4A priority Critical patent/CN115019454A/en
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07GREGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
    • G07G1/00Cash registers
    • G07G1/12Cash registers electronically operated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/06Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/062Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0861Network architectures or network communication protocols for network security for authentication of entities using biometrical features, e.g. fingerprint, retina-scan
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56Financial cryptography, e.g. electronic payment or e-cash
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)

Abstract

The invention discloses a digital RMB double-off-line receiving and paying system and a digital RMB double-off-line receiving and paying method. The invention solves the payment problem of both paying parties in an off-line state by arranging the key analysis module, the data processing module and the encryption processing module, analyzing and processing balance information of the upper computer by reading and analyzing the key, and simultaneously sending the encryption information to the upper computer, and the payment party terminal takes the biological identification information of the paying party as a part of transaction data, thereby avoiding the problem that both receiving and paying parties can not realize safe off-line payment to the terminal under the condition of poor network condition or no network environment.

Description

Digital RMB double-off-line receiving and paying system and method
Technical Field
The invention belongs to the technical field of transaction, and particularly relates to a digital RMB double-off-line receiving and paying system and method.
Background
As digital technology and electronic payment develop, cash is increasingly used in the field of retail payment, but the central department is obligated to maintain a channel for public to directly obtain legal currency and ensure the uniformity of billing units under digital economic conditions through the digitization of cash. The digital renminbi system will further reduce the public's threshold for obtaining financial services, maintaining legal currency supply for a wide range of groups and scenarios. The social public without bank account can enjoy basic financial service through the digital RMB wallet, and overseas residents who bloom in a short time can open the digital RMB wallet without opening bank accounts in China, thereby meeting daily payment requirements in China. The payment and settlement characteristic of the digital RMB is also beneficial to enterprises and related aspects to enjoy the convenience of payment and simultaneously improve the turnover efficiency of funds.
In the existing digital RMB acceptance system, the online acceptance of a soft wallet is taken as a main part, and the double offline can be realized when both the receiving and paying parties have digital RMB hard wallets. At present, the acceptance equipment does not have a digital RMB hard wallet, and the digital RMB double-off-line collection and payment can be completed by means of external apparatuses such as a mobile phone SIM card, a hard wallet loaded with digital RMB on an SAM card and the like. Therefore, we improve this and propose a digital renminbi double off-line receiving and paying system and method.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a digital RMB double-off-line receiving and paying system, which is provided with a key analysis module, a data processing module and an encryption processing module, wherein the key analysis module is used for reading and analyzing the balance information of an upper computer by the key analysis processing module and sending the encryption information to the upper computer at the same time, so that the payment problem of both paying parties in an off-line state is solved, a paying party terminal takes the biological identification information of a paying party as a part of transaction data, and the problem that the receiving and paying parties can not realize the safe off-line payment to the terminal under the condition of poor network condition or no network environment is avoided.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a digital RMB double off-line receiving and paying system comprises an information acquisition module, a key analysis module, a data processing module, a receiving and paying module encryption processing module and a sending processing module;
the receiving and paying module comprises a security chip with national security qualification, the chip can select an NFC function, and the security chip is loaded with a standard wallet function of the digital RMB of the China RMB;
the information acquisition module is used for receiving offline transaction information sent by the upper computer, the information acquisition module comprises communication equipment, a main control device and an integrated circuit, the main control device is connected with the communication equipment through the integrated circuit, the communication equipment comprises NFC, USB, a serial port, Bluetooth and SPI, and the main control device is used for sending the offline transaction information to the key analysis module;
the key analysis module is used for receiving the transaction information of the information acquisition module, analyzing the transaction information, performing statistical sorting according to time, user information, transaction amount and place, generating comparison information and sending the comparison information to the data processing module;
the data processing module is used for judging the comparison information sent by the key analysis module, respectively judging whether the user account information, the account balance and the transaction location code are correct or not, if so, sending the information to the encryption processing module, and if not, failing the transaction;
the encryption processing module is used for receiving the information processed by the data processing module, compiling the information through time, place serial numbers, transaction amounts and user information, and then sending the compiled secret key to the sending processing module;
and the sending processing module is used for sending the secret key of the encryption processing module to the upper computer through the communication equipment.
Further, the upper computer includes, but is not limited to, a mobile phone, a payment terminal, a scale, a fuel dispenser, a charging pile, a taximeter, and the like.
The security chip has a model including, but not limited to, CIU98_ a.
The security chip is provided with a power interface, a digital RMB standard wallet security chip interface, a keyboard interface, a communication interface, a display interface, an NFC chip interface or an NFC antenna interface and a data center management interface.
The safety chip can control the connected peripheral equipment through the interface, receive information sent by the upper computer and return a processing result to the upper computer.
The type of the security chip of the national renminbi digital renminbi standard wallet function includes but is not limited to CIU 9872.
The security chip has the function of a standard wallet of the digital RMB of the China RMB, receives information sent by the security chip of the China cipher, calculates and stores a string of the digital RMB, and completes double off-line receiving and paying of the digital RMB.
The NFC function comprises an NFC card reader mode, a card mode and a point-to-point communication mode, wherein the card reader mode realizes an ISO 14443A/B protocol so as to read an external digital RMB standard wallet.
The card mode realizes an ISO 14443A protocol, a security chip which completes the functions of a digital RMB standard wallet in the module receives and pays the RMB externally, the digital RMB payment function can be completed under the passive condition, and the point-to-point communication mode realizes an ISO18092 protocol and NFC point-to-point communication; and the security chip which completes the functions of the digital wallet and the RMB standard wallet in the module has the function of receiving and paying the money to the outside.
A double off-line receiving and paying method for digital RMB comprises the following steps:
A. the upper computer communication equipment sends the transaction information to the data acquisition module communication equipment, and the communication equipment carries out statistical sequencing according to time, user information, transaction amount and places, generates comparison information and sends the comparison information to the data processing module;
B. the data processing module judges the comparison information sent by the key analysis module, and respectively judges whether the user account information, the account balance and the transaction location code are correct or not, if so, the information is sent to the encryption processing module, and if not, the transaction is failed;
C. the encryption processing module is used for receiving the information processed by the data processing module, compiling the information through time, place serial numbers, transaction amounts and user information, and then sending the compiled secret key to the sending processing module, and the sending processing module is used for sending the secret key of the encryption processing module to an upper computer through communication equipment.
Further, the data processing module computing method comprises:
s1, analyzing the data of the data processing module, and labeling a set N for incorrect information according to the correct information labeling set P;
s2, establishing a set A by account information for the correct set P;
s3, establishing a set B for the incorrect set account information;
s4, establishing a common word set C of the A and the B;
s5, selecting one account number information in the C, deleting the account number information from the A set, and performing the same condition to obtain a set T;
s6, calculating the content of N in T, if the content is larger than a preset value, deleting T from the A set, setting the T as a new A set, deleting W from the C set, setting the W as a new C set, and judging whether the C set is an empty set; if the value is less than the preset value, the information is sent to the encryption processing module, and if the value is greater than the preset value, the transaction fails.
The invention has the beneficial effects that: the digital RMB double-off-line receiving and paying system is provided with the key analysis module, the data processing module and the encryption processing module, balance information of the upper computer is analyzed and processed by reading and analyzing the key, and meanwhile, the encryption information is sent to the upper computer, so that the problem of payment of both paying parties in an off-line state is solved, the terminal of the paying party takes the biological identification information of the paying party as a part of transaction data, and the problem that the receiving and paying parties cannot realize safe off-line payment to the terminal under the condition of poor network conditions or no network environment is avoided.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic flow diagram of a data processing module of the present invention;
fig. 3 is a schematic diagram of a frame of a digital renminbi dual offline payment system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in fig. 1, a digital renminbi double-offline receiving and paying system includes an information acquisition module, a key analysis module, a receiving and paying module, a data processing module, an encryption processing module, and a sending processing module;
the receiving and paying module comprises a security chip with national secret qualification, the chip can select an NFC function, and the security chip is loaded with a function of a standard wallet of the digital RMB of the China RMB;
the information acquisition module is used for receiving offline transaction information sent by the upper computer, the information acquisition module comprises communication equipment, a main control device and an integrated circuit, the main control device is connected with the communication equipment through the integrated circuit, the communication equipment comprises NFC, USB, a serial port, Bluetooth and SPI, and the main control device is used for sending the offline transaction information to the key analysis module;
the key analysis module is used for receiving the transaction information of the information acquisition module, analyzing the transaction information, performing statistical sorting according to time, user information, transaction amount and place, generating comparison information and sending the comparison information to the data processing module;
the data processing module is used for judging the comparison information sent by the key analysis module, respectively judging whether the user account information, the account balance and the transaction location code are correct or not, if so, sending the information to the encryption processing module, and if not, failing the transaction;
the encryption processing module is used for receiving the information processed by the data processing module, compiling the information through time, place serial numbers, transaction amounts and user information and then sending the compiled secret key to the sending processing module;
and the sending processing module is used for sending the secret key of the encryption processing module to the upper computer through the communication equipment.
Further, the host computer includes, but is not limited to, a mobile phone, a payment terminal, a scale, a fuel dispenser, a charging pile, a taximeter, and the like.
A security chip of national security qualification, the model of which includes but is not limited to CIU98_ a.
The security chip is provided with a power interface, a digital RMB standard wallet security chip interface, a keyboard interface, a communication interface, a display interface, an NFC chip interface or an NFC antenna interface and a data center management interface;
the safety chip can control the connected peripheral equipment through the interface, receive information sent by the upper computer and return a processing result to the upper computer.
The model of the security chip of the standard wallet of the national renminbi digital renminbi includes but is not limited to CIU 9872.
The security chip contains the function of a standard wallet of the digital RMB of China RMB, receives the information sent by the security chip of the national password, calculates and stores the digital RMB string, and completes the double off-line receiving and paying of the digital RMB;
the digital RMB double-off-line receiving and paying machine is connected with an NFC antenna through an external NFC matching circuit to complete digital RMB double-off-line receiving and paying, and the NFC function comprises an NFC card reader mode, a card mode and a point-to-point communication mode; wherein the card reader mode implements an ISO 14443A/B protocol to read an external digital RMB standard wallet;
the card mode realizes an ISO 14443A protocol, a security chip which completes the functions of a digital RMB standard wallet in the module receives and pays the RMB externally, the digital RMB payment function can be completed under the passive condition, and the point-to-point communication mode realizes an ISO18092 protocol and NFC point-to-point communication; completing the number in the module. The safety chip of the RMB standard wallet function has the function of receiving and paying the money to the outside.
A double off-line receiving and paying method for digital RMB comprises the following steps:
A. the upper computer communication equipment sends the transaction information to the data acquisition module communication equipment, and the communication equipment carries out statistical sequencing according to time, user information, transaction amount and places, generates comparison information and sends the comparison information to the data processing module;
B. the data processing module judges the comparison information sent by the key analysis module, and respectively judges whether the user account information, the account balance and the transaction location code are correct or not, if so, the information is sent to the encryption processing module, and if not, the transaction is failed;
C. the encryption processing module is used for receiving the information processed by the data processing module, compiling the information through time, place serial numbers, transaction amounts and user information, and then sending the compiled secret key to the sending processing module, and the sending processing module is used for sending the secret key of the encryption processing module to an upper computer through communication equipment.
As shown in fig. 2, the data processing module computing method:
s1, analyzing the data of the data processing module, and labeling a set N for incorrect information according to the correct information labeling set P;
s2, establishing a set A by account information of the correct set P;
s3, establishing a set B for the incorrect set account information;
s4, establishing a common word set C of A and B;
s5, selecting one account number information in the C, deleting the account number information from the A set, and performing the same condition to obtain a set T;
s6, calculating the content of N in T, if the content is larger than a preset value, deleting T from the A set, setting the T as a new A set, deleting W from the C set, setting the W as a new C set, and judging whether the C set is an empty set; if the value is less than the preset value, the information is sent to the encryption processing module, and if the value is greater than the preset value, the transaction fails.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (4)

1. A digital RMB double off-line receiving and paying system is characterized by comprising an information acquisition module, a key analysis module, a receiving and paying module, a data processing module, an encryption processing module and a sending processing module;
the receiving and paying module comprises a security chip with national secret qualification, the chip can select an NFC function, and the security chip is loaded with a Chinese RMB digital RMB standard wallet function;
the information acquisition module is used for receiving offline transaction information sent by the upper computer, the information acquisition module comprises communication equipment, a main control device and an integrated circuit, the main control device is connected with the communication equipment through the integrated circuit, the communication equipment comprises NFC, USB, a serial port, Bluetooth and SPI, and the main control device is used for sending the offline transaction information to the key analysis module;
the key analysis module is used for receiving the transaction information of the information acquisition module, analyzing the transaction information, performing statistical sorting according to time, user information, transaction amount and place, generating comparison information and sending the comparison information to the data processing module;
the data processing module is used for judging the comparison information sent by the key analysis module, respectively judging whether the user account information, the account balance and the transaction location code are correct or not, if so, sending the information to the encryption processing module, and if not, failing the transaction;
the encryption processing module is used for receiving the information processed by the data processing module, compiling the information through time, place serial numbers, transaction amount and user information, and then sending the compiled secret key to the sending processing module;
and the sending processing module is used for sending the secret key of the encryption processing module to the upper computer through the communication equipment.
2. The system as claimed in claim 1, wherein the host computer includes but is not limited to a mobile phone, a payment terminal, a scale, a fuel dispenser, a charging pile, a taximeter, etc., and the security chip is proprietary and has a model including but not limited to CIU98_ a;
the security chip is provided with a power interface, a digital RMB standard wallet security chip interface, a keyboard interface, a communication interface, a display interface, an NFC chip interface or an NFC antenna interface and a data center management interface;
the safety chip can control the connected peripheral equipment through the interface, receive information sent by the upper computer and return a processing result to the upper computer.
3. The method for receiving and paying for the digital renminbi as claimed in claim 1, wherein the method includes the following steps:
A. the upper computer communication equipment sends the transaction information to the data acquisition module communication equipment, and the communication equipment carries out statistical sequencing according to time, user information, transaction amount and places, generates comparison information and sends the comparison information to the data processing module;
B. the data processing module judges the comparison information sent by the key analysis module, and respectively judges whether the user account information, the account balance and the transaction location code are correct or not, if so, the information is sent to the encryption processing module, and if not, the transaction is failed;
C. the encryption processing module is used for receiving the information processed by the data processing module, compiling the information through time, place serial numbers, transaction amounts and user information, and then sending the compiled secret key to the sending processing module, and the sending processing module is used for sending the secret key of the encryption processing module to an upper computer through communication equipment.
4. The method as claimed in claim 1, wherein the data processing module comprises the following steps:
s1, analyzing the data of the data processing module, and labeling a set N for incorrect information according to the correct information labeling set P;
s2, establishing a set A by account information of the correct set P;
s3, establishing a set B for the incorrect set account information;
s4, establishing a common word set C of A and B;
s5, selecting one account number information in the C, deleting the account number information from the A set, and performing the same condition to obtain a set T;
s6, calculating the content of N in T, if the content is larger than a preset value, deleting T from the A set, setting the T as a new A set, deleting W from the C set, setting the W as a new C set, and judging whether the C set is an empty set; if the value is less than the preset value, the information is sent to the encryption processing module, and if the value is greater than the preset value, the transaction fails.
CN202210825805.4A 2022-07-14 2022-07-14 Digital RMB double-off-line receiving and paying system and method Pending CN115019454A (en)

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Publication number Priority date Publication date Assignee Title
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Application publication date: 20220906