CN111429278A - Financial big data processing system and method based on 5G and block chain - Google Patents

Financial big data processing system and method based on 5G and block chain Download PDF

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CN111429278A
CN111429278A CN202010198206.5A CN202010198206A CN111429278A CN 111429278 A CN111429278 A CN 111429278A CN 202010198206 A CN202010198206 A CN 202010198206A CN 111429278 A CN111429278 A CN 111429278A
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CN111429278B (en
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殷海龙
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NINGBO ZHIZHENG WEIYING INFORMATION TECHNOLOGY Co.,Ltd.
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Wuhan Qianyida Management Consulting Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • 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
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6227—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database where protection concerns the structure of data, e.g. records, types, queries
    • 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
    • G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/245—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account received signal strength

Abstract

The invention discloses a financial big data processing system and a financial big data processing method based on 5G and a block chain, and the financial big data processing system comprises a client, a financial big data processing unit and a customer service end, wherein the client is used for acquiring financial data processing signals, customer IDs (identity) and corresponding financial transaction data input by customers and transmitting the financial data processing signals, the customer IDs and the corresponding financial transaction data to the financial big data processing unit through a 5G network; the financial big data processing unit is used for receiving financial data processing signals, customer IDs and corresponding financial transaction data transmitted by the client side and judging the types of the financial data processing signals. The safety of the financial big data is ensured by adopting the block chain technology; meanwhile, 5G network communication is adopted, so that the communication delay between the client and the customer service end is reduced, and the efficiency of financial service processing is improved; the encryption calculation amount of the computer is reduced, and the financial business processing efficiency and the experience of the client are improved; and finally, the power of the communication module is optimized and adjusted, so that the problems of high power consumption, poor cruising ability and environmental pollution are avoided, and the radiation is small.

Description

Financial big data processing system and method based on 5G and block chain
Technical Field
The invention relates to the field of financial big data processing based on 5G communication and a block chain, in particular to a financial big data processing system and method based on 5G and the block chain.
Background
At present, with the rapid development of economy and the internet, more and more financial businesses are beginning to be spread on the internet. The financial data security is a precondition for financial services to be developed on the internet, but most of the traditional financial big data processing systems use a local server as a data storage, so once the local server is maliciously tampered by a lawbreaker, the consequences are unreasonable. Therefore, how to apply the blockchain technique to the field of financial big data processing is a problem to be solved urgently.
Meanwhile, in order to ensure the security of financial data communicated between a client and a customer service end, the traditional financial big data processing system generally adopts a complex encryption algorithm, so that the burden of a computer is increased, the efficiency of financial business processing is influenced, and the experience of customers is greatly reduced.
Moreover, with the development of 5G networks, the financial field gradually starts to use 5G network communication, but in order to ensure the communication effect between the client and the customer service end, the power is generally adjusted to the maximum, which easily causes the problems of large power consumption, poor endurance, environmental pollution, large radiation, and harmlessness to the body.
Disclosure of Invention
The invention aims to solve the problems found in the background art and provides a financial big data processing system and a financial big data processing method based on 5G and a block chain.
In order to achieve the purpose, the invention adopts the following technical scheme: a financial big data processing method based on 5G and a block chain comprises the following steps:
the first step is as follows: the client acquires a financial data processing signal input by a client, a client ID and corresponding financial transaction data, and transmits the financial data processing signal, the client ID and the corresponding financial transaction data to the financial big data processing unit through a 5G network;
the second step is that: the financial big data processing unit receives the financial data processing signal, the client ID and the corresponding financial transaction data transmitted by the client, and judges the type of the financial data processing signal;
when the financial data processing signal is a financial data filing signal, the financial big data processing unit sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a local server for storage, and simultaneously sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a block chain;
when the financial data processing signal is a financial data calling signal, the financial big data processing unit calls out the financial data of the local server stored in the local server according to the client ID and the corresponding financial transaction data and returns the financial data to the client through a 5G network; if the client sends a challenge to the returned local server financial data, the client sends a verification signal to the financial big data processing unit, the financial big data processing unit inquires block chain financial data in a block chain according to the client ID and the corresponding financial transaction data, compares the local server financial data with the block chain financial data, and returns a data error-free signal to the client if the local server financial data is consistent with the block chain financial data; and if the local server financial data is inconsistent with the block chain financial data, sending a waiting signal to a client, and sending a warning signal to the customer service end to prompt related personnel of the customer service end to verify the authenticity of the local server financial data and the block chain financial data.
The client ID, the corresponding financial transaction data, the corresponding timestamp and other financial big data are stored in the local server together, and meanwhile, the client ID, the corresponding financial transaction data, the corresponding timestamp and other financial big data are sent to the block chain, so that even if a lawbreaker illegally tampers with the financial data, the financial data can be found back through the block chain; in a normal state, the financial big data is only required to be called from the local service, and only when the client makes a question of the financial data or settles accounts regularly, the financial big data is called from the block chain so as to be checked, so that the efficiency of daily financial business processing is ensured, and the safety of the financial big data is also ensured. By adopting 5G network communication, the communication delay between the client and the customer service terminal is greatly reduced, thereby further improving the efficiency of financial service processing.
Further, the customer service end and the client end communicate with each other according to the following steps:
s1, the financial big data processing unit selects an M-order addition group and a finite field multiplication group to generate a bilinear mapping, wherein M is a prime number, defines two hash functions and discloses system parameters, and selects an element from an N-order integer group as a system key and sets a system public key, wherein N is a prime number;
s2, the customer service end submits identity to the financial big data processing unit to issue a certificate, the financial big data processing unit selects an element from the N-order integer group as the private key of the customer service end, wherein N is prime number, and calculates the public key of the customer service end;
s3, the client submits a client ID to the financial big data processing unit, and the financial big data processing unit calculates a private key of the client in the identity-based encryption environment and then transmits the private key back to the client in the identity-based encryption environment to obtain a public key;
s4, when the client sends the financial data to the customer service end, the client selects two elements from N order integer group to be used to calculate the first segment signature and the middle segment signature of the signature generated by the client, wherein N is the prime number, the client calculates the bilinear mapping value of the client, the client uses the public key, the private key and the financial data to calculate the tail segment signature of the signature generated by the client through the hash function and the dot product calculation, the client forms the complete data through the first segment signature, the middle segment signature, the tail segment signature and the financial data and sends to the customer service end, the customer service end calculates the bilinear mapping value of the customer service end through the middle segment signature in the complete data, the customer service end calculates the signature verification of the customer service end through the complete data, the customer service end compares the first parameter and the second parameter of the bilinear mapping of the customer service end, if the first parameter and the second parameter are equal, the customer service end receives the financial data sent by, if the first parameter is not equal to the second parameter, the customer service end refuses to receive the financial data sent by the client end and returns an error signal to the client end;
s5, when the customer service end sends the financial data to the client, the customer service end selects two elements from N order integer group to calculate the first segment signature and middle segment signature of the signature generated by the customer service end, wherein N is prime number, the customer service end calculates the value of bilinear mapping of the customer service end, the customer service end calculates the tail segment signature of the signature generated by the customer service end by using the private key and the financial data through hash function and multiplication, the customer service end forms complete data through the first segment signature, middle segment signature, tail segment signature and the financial data and sends the complete data to the client, the client calculates the value of bilinear mapping of the client through the middle segment signature in the complete data, the client calculates the signature verification of the client through the complete data, the client compares the signature verification of the client with the first segment signature of the signature generated by the customer service end, if the signature verification of the client is equal to the first segment signature generated by the customer service end, the client receives the financial data sent by the customer service end, and if the signature verification of the client is not equal to the first segment of signature generated by the customer service end, the client refuses to receive the financial data sent by the customer service end and returns an error signal to the customer service end.
The financial big data processing method can carry out digital signature on financial data communicated between the client and the customer service end, and the source of the financial data can be determined only by verifying the signatures of the customer service end and the client, so that the safety and the correctness of the financial data communication can be ensured without encrypting the financial data when the client communicates with the customer service end, thereby greatly reducing the encryption calculation amount of a computer, improving the efficiency of financial service processing, and improving the experience of a client.
Furthermore, before the communication between the customer service end and the client end, the power of each communication module is debugged according to the signal intensity index of each communication module, and the signal intensity index Q of each communication modulesThe calculation formula is as follows:
Figure BDA0002418378760000051
wherein, WsIs the power of the communication module, PsEfficiency of transmission of 5g high frequency radio wave for communication module, MzFor transmitting lightEnergy of a single photon in the fibre, RsL for the diameter of the transmission fiberxIs the distance between the communication module and the nearest base station, IzThe air transmission rate of 5g of high-frequency radio waves between the communication module and the nearest base station, and K is the adjacent channel leakage power ratio;
according to the signal intensity index Q of the communication modulesAdjusting power W of a communication modulesMake Q of the communication modulesAnd the communication requirements are met.
According to the power W of the communication modules5g high frequency radio wave transmission efficiency PsEnergy M of single light quantum in transmission optical fiberzDiameter R of transmission fibersDistance L between communication module and nearest base stationxAir transmission rate I of 5g high frequency radio wave between communication module and nearest base stationzAnd calculating the signal strength index Q of the communication module by the adjacent channel leakage power ratio KsAnd then according to the signal intensity index Q of the communication modulesTo adjust the power W of the communication modulesMake Q of the communication modulesThe communication requirement is met, so that the communication effect between the customer service end and the client can meet the use requirement on one hand, the power of the communication module can not be too high on the other hand, the problems of high power consumption, poor endurance and environmental pollution are avoided, and meanwhile, the radiation is small.
Further, when the distance between the customer service end and the client is short, the customer service end and the client are connected and communicated through D2D of a 5G network.
Further, the block chain adopts a POS consensus algorithm.
Further, the financial big data processing unit sends the customer ID and the corresponding financial transaction data to a cloud server backup.
A financial big data processing system based on 5G and block chain comprises a client, a financial big data processing unit and a customer service end, wherein,
the client is used for acquiring financial data processing signals, client IDs and corresponding financial transaction data input by a client and transmitting the financial data processing signals, the client IDs and the corresponding financial transaction data to the financial big data processing unit through a 5G network;
the financial big data processing unit is used for receiving the financial data processing signal, the client ID and the corresponding financial transaction data transmitted by the client, and judging the type of the financial data processing signal;
when the financial data processing signal is a financial data filing signal, the financial big data processing unit sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a local server for storage, and simultaneously sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a block chain;
when the financial data processing signal is a financial data calling signal, the financial big data processing unit calls out the financial data of the local server stored in the local server according to the client ID and the corresponding financial transaction data and returns the financial data to the client through a 5G network; if the client sends a challenge to the returned local server financial data, the client sends a verification signal to the financial big data processing unit, the financial big data processing unit inquires block chain financial data in a block chain according to the client ID and the corresponding financial transaction data, compares the local server financial data with the block chain financial data, and returns a data error-free signal to the client if the local server financial data is consistent with the block chain financial data; and if the local server financial data is inconsistent with the block chain financial data, sending a waiting signal to a client, and sending a warning signal to the customer service end to prompt related personnel of the customer service end to verify the authenticity of the local server financial data and the block chain financial data.
Compared with the prior art, the invention has the advantages that:
1: the client ID, the corresponding financial transaction data, the corresponding timestamp and other financial big data are stored in the local server together, and meanwhile, the client ID, the corresponding financial transaction data, the corresponding timestamp and other financial big data are sent to the block chain, so that even if a lawbreaker illegally tampers with the financial data, the financial data can be found back through the block chain;
2: in a normal state, the financial big data is only required to be called from the local service, and the financial big data is called from the block chain for checking only when the client makes a question on the financial data or settles accounts regularly, so that the efficiency of daily financial business processing is ensured, and the safety of the financial big data is also ensured;
3: by adopting 5G network communication, the communication delay between the client and the customer service terminal is greatly reduced, so that the efficiency of financial service processing is further improved;
4: the financial big data processing method can carry out digital signature on financial data communicated between the client and the customer service end, and the source of the financial data can be determined only by verifying the signatures of the customer service end and the client, so that the security and the correctness of the financial data communication can be ensured without encrypting the financial data when the client communicates with the customer service end, thereby greatly reducing the encryption calculation amount of a computer, improving the efficiency of financial service processing, and improving the experience of a client;
5: according to the power W of the communication modules5g high frequency radio wave transmission efficiency PsEnergy M of single light quantum in transmission optical fiberzDiameter R of transmission fibersDistance L between communication module and nearest base stationxAir transmission rate I of 5g high frequency radio wave between communication module and nearest base stationzAnd calculating the signal strength index Q of the communication module by the adjacent channel leakage power ratio KsAnd then according to the signal intensity index Q of the communication modulesTo adjust the power W of the communication modulesMake Q of the communication modulesThe communication requirement is met, so that the communication effect between the customer service end and the client can meet the use requirement on one hand, the power of the communication module can not be too high on the other hand, the problems of high power consumption, poor endurance and environmental pollution are avoided, and meanwhile, the radiation is small.
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Fig. 1 is a schematic diagram of 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.
Example (b):
referring to fig. 1, the embodiment provides a financial big data processing method based on 5G and a block chain, including the following steps:
the first step is as follows: the client acquires a financial data processing signal input by a client, a client ID and corresponding financial transaction data, and transmits the financial data processing signal, the client ID and the corresponding financial transaction data to the financial big data processing unit through a 5G network;
the second step is that: the financial big data processing unit receives the financial data processing signal, the client ID and the corresponding financial transaction data transmitted by the client, and judges the type of the financial data processing signal;
when the financial data processing signal is a financial data filing signal, the financial big data processing unit sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a local server for storage, and simultaneously sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a block chain;
when the financial data processing signal is a financial data calling signal, the financial big data processing unit calls out the financial data of the local server stored in the local server according to the client ID and the corresponding financial transaction data and returns the financial data to the client through a 5G network; if the client sends a challenge to the returned local server financial data, the client sends a verification signal to the financial big data processing unit, the financial big data processing unit inquires block chain financial data in a block chain according to the client ID and the corresponding financial transaction data, compares the local server financial data with the block chain financial data, and returns a data error-free signal to the client if the local server financial data is consistent with the block chain financial data; and if the local server financial data is inconsistent with the block chain financial data, sending a waiting signal to a client, and sending a warning signal to the customer service end to prompt related personnel of the customer service end to verify the authenticity of the local server financial data and the block chain financial data.
The financial big data processing method stores the client ID, the corresponding financial transaction data, the corresponding timestamp and other financial big data to the local server, and simultaneously sends the client ID, the corresponding financial transaction data, the corresponding timestamp and other financial big data to the block chain, so that even if a lawbreaker illegally tampers the financial data, the financial big data can be retrieved through the block chain; in a normal state, the financial big data is only required to be called from the local service, and only when the client makes a question of the financial data or settles accounts regularly, the financial big data is called from the block chain so as to be checked, so that the efficiency of daily financial business processing is ensured, and the safety of the financial big data is also ensured. By adopting 5G network communication, the communication delay between the client and the customer service terminal is greatly reduced, thereby further improving the efficiency of financial service processing.
The customer service end and the client end are communicated according to the following steps:
s1, the financial big data processing unit selects an M-order addition group and a finite field multiplication group to generate a bilinear mapping, wherein M is a prime number, defines two hash functions and discloses system parameters, and selects an element from an N-order integer group as a system key and sets a system public key, wherein N is a prime number;
s2, the customer service end submits identity to the financial big data processing unit to issue a certificate, the financial big data processing unit selects an element from the N-order integer group as the private key of the customer service end, wherein N is prime number, and calculates the public key of the customer service end;
s3, the client submits a client ID to the financial big data processing unit, and the financial big data processing unit calculates a private key of the client in the identity-based encryption environment and then transmits the private key back to the client in the identity-based encryption environment to obtain a public key;
s4, when the client sends the financial data to the customer service end, the client selects two elements from N order integer group to be used to calculate the first segment signature and the middle segment signature of the signature generated by the client, wherein N is the prime number, the client calculates the bilinear mapping value of the client, the client uses the public key, the private key and the financial data to calculate the tail segment signature of the signature generated by the client through the hash function and the dot product calculation, the client forms the complete data through the first segment signature, the middle segment signature, the tail segment signature and the financial data and sends to the customer service end, the customer service end calculates the bilinear mapping value of the customer service end through the middle segment signature in the complete data, the customer service end calculates the signature verification of the customer service end through the complete data, the customer service end compares the first parameter and the second parameter of the bilinear mapping of the customer service end, if the first parameter and the second parameter are equal, the customer service end receives the financial data sent by, if the first parameter is not equal to the second parameter, the customer service end refuses to receive the financial data sent by the client end and returns an error signal to the client end;
s5, when the customer service end sends the financial data to the client, the customer service end selects two elements from N order integer group to calculate the first segment signature and middle segment signature of the signature generated by the customer service end, wherein N is prime number, the customer service end calculates the value of bilinear mapping of the customer service end, the customer service end calculates the tail segment signature of the signature generated by the customer service end by using the private key and the financial data through hash function and multiplication, the customer service end forms complete data through the first segment signature, middle segment signature, tail segment signature and the financial data and sends the complete data to the client, the client calculates the value of bilinear mapping of the client through the middle segment signature in the complete data, the client calculates the signature verification of the client through the complete data, the client compares the signature verification of the client with the first segment signature of the signature generated by the customer service end, if the signature verification of the client is equal to the first segment signature generated by the customer service end, the client receives the financial data sent by the customer service end, and if the signature verification of the client is not equal to the first segment of signature generated by the customer service end, the client refuses to receive the financial data sent by the customer service end and returns an error signal to the customer service end.
The financial big data processing method can carry out digital signature on financial data communicated between the client and the customer service end, and the source of the financial data can be determined only by verifying the signatures of the customer service end and the client, so that the safety and the correctness of the financial data communication can be ensured without encrypting the financial data when the client communicates with the customer service end, thereby greatly reducing the encryption calculation amount of a computer, improving the efficiency of financial service processing, and improving the experience of a client.
Before the communication between the customer service end and the client end, the power of each communication module is debugged according to the signal intensity index of each communication module, and the signal intensity index Q of each communication modulesThe calculation formula is as follows:
Figure BDA0002418378760000121
wherein, WsIs the power of the communication module, PsEfficiency of transmission of 5g high frequency radio wave for communication module, MzFor transmitting the energy of a single photon in an optical fibre, RsL for the diameter of the transmission fiberxIs the distance between the communication module and the nearest base station, IzThe air transmission rate of 5g of high-frequency radio waves between the communication module and the nearest base station, and K is the adjacent channel leakage power ratio;
according to the signal intensity index Q of the communication modulesAdjusting power W of a communication modulesMake Q of the communication modulesAnd the communication requirements are met.
The financial big data processing method is based on the power W of the communication modules5g high frequency radio wave transmission efficiency PsEnergy M of single light quantum in transmission optical fiberzDiameter R of transmission fibersDistance L between communication module and nearest base stationxAir transmission rate I of 5g high frequency radio wave between communication module and nearest base stationzAnd calculating the signal strength index Q of the communication module by the adjacent channel leakage power ratio KsAnd then according to the signal intensity index Q of the communication modulesTo regulate communicationPower W of modulesMake Q of the communication modulesThe communication requirement is met, so that the communication effect between the customer service end and the client can meet the use requirement on one hand, the power of the communication module can not be too high on the other hand, the problems of high power consumption, poor endurance and environmental pollution are avoided, and meanwhile, the radiation is small.
And when the customer service end is close to the client, the customer service end and the client are in connection communication through D2D of a 5G network. And the block chain adopts a POS consensus algorithm. And the financial big data processing unit also sends the customer ID and the corresponding financial transaction data to a cloud server for backup.
The embodiment also provides a 5G and blockchain based financial big data processing system, which comprises a client, a financial big data processing unit and a customer service end, wherein,
the client is used for acquiring financial data processing signals, client IDs and corresponding financial transaction data input by a client and transmitting the financial data processing signals, the client IDs and the corresponding financial transaction data to the financial big data processing unit through a 5G network;
the financial big data processing unit is used for receiving the financial data processing signal, the client ID and the corresponding financial transaction data transmitted by the client, and judging the type of the financial data processing signal;
when the financial data processing signal is a financial data filing signal, the financial big data processing unit sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a local server for storage, and simultaneously sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a block chain;
when the financial data processing signal is a financial data calling signal, the financial big data processing unit calls out the financial data of the local server stored in the local server according to the client ID and the corresponding financial transaction data and returns the financial data to the client through a 5G network; if the client sends a challenge to the returned local server financial data, the client sends a verification signal to the financial big data processing unit, the financial big data processing unit inquires block chain financial data in a block chain according to the client ID and the corresponding financial transaction data, compares the local server financial data with the block chain financial data, and returns a data error-free signal to the client if the local server financial data is consistent with the block chain financial data; and if the local server financial data is inconsistent with the block chain financial data, sending a waiting signal to a client, and sending a warning signal to the customer service end to prompt related personnel of the customer service end to verify the authenticity of the local server financial data and the block chain financial data.

Claims (7)

1. A financial big data processing method based on 5G and a block chain is characterized by comprising the following steps:
the first step is as follows: the client acquires a financial data processing signal input by a client, a client ID and corresponding financial transaction data, and transmits the financial data processing signal, the client ID and the corresponding financial transaction data to the financial big data processing unit through a 5G network;
the second step is that: the financial big data processing unit receives the financial data processing signal, the client ID and the corresponding financial transaction data transmitted by the client, and judges the type of the financial data processing signal;
when the financial data processing signal is a financial data filing signal, the financial big data processing unit sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a local server for storage, and simultaneously sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a block chain;
when the financial data processing signal is a financial data calling signal, the financial big data processing unit calls out the financial data of the local server stored in the local server according to the client ID and the corresponding financial transaction data and returns the financial data to the client through a 5G network; if the client sends a challenge to the returned local server financial data, the client sends a verification signal to the financial big data processing unit, the financial big data processing unit inquires block chain financial data in a block chain according to the client ID and the corresponding financial transaction data, compares the local server financial data with the block chain financial data, and returns a data error-free signal to the client if the local server financial data is consistent with the block chain financial data; and if the local server financial data is inconsistent with the block chain financial data, sending a waiting signal to a client, and sending a warning signal to the customer service end to prompt related personnel of the customer service end to verify the authenticity of the local server financial data and the block chain financial data.
2. The financial big data processing method based on 5G and the block chain as claimed in claim 1, wherein the customer service end and the client end communicate with each other according to the following steps:
s1, the financial big data processing unit selects an M-order addition group and a finite field multiplication group to generate a bilinear mapping, wherein M is a prime number, defines two hash functions and discloses system parameters, and selects an element from an N-order integer group as a system key and sets a system public key, wherein N is a prime number;
s2, the customer service end submits identity to the financial big data processing unit to issue a certificate, the financial big data processing unit selects an element from the N-order integer group as the private key of the customer service end, wherein N is prime number, and calculates the public key of the customer service end;
s3, the client submits a client ID to the financial big data processing unit, and the financial big data processing unit calculates a private key of the client in the identity-based encryption environment and then transmits the private key back to the client in the identity-based encryption environment to obtain a public key;
s4, when the client sends the financial data to the customer service end, the client selects two elements from N order integer group to be used to calculate the first segment signature and the middle segment signature of the signature generated by the client, wherein N is the prime number, the client calculates the bilinear mapping value of the client, the client uses the public key, the private key and the financial data to calculate the tail segment signature of the signature generated by the client through the hash function and the dot product calculation, the client forms the complete data through the first segment signature, the middle segment signature, the tail segment signature and the financial data and sends to the customer service end, the customer service end calculates the bilinear mapping value of the customer service end through the middle segment signature in the complete data, the customer service end calculates the signature verification of the customer service end through the complete data, the customer service end compares the first parameter and the second parameter of the bilinear mapping of the customer service end, if the first parameter and the second parameter are equal, the customer service end receives the financial data sent by, if the first parameter is not equal to the second parameter, the customer service end refuses to receive the financial data sent by the client end and returns an error signal to the client end;
s5, when the customer service end sends the financial data to the client, the customer service end selects two elements from N order integer group to calculate the first segment signature and middle segment signature of the signature generated by the customer service end, wherein N is prime number, the customer service end calculates the value of bilinear mapping of the customer service end, the customer service end calculates the tail segment signature of the signature generated by the customer service end by using the private key and the financial data through hash function and multiplication, the customer service end forms complete data through the first segment signature, middle segment signature, tail segment signature and the financial data and sends the complete data to the client, the client calculates the value of bilinear mapping of the client through the middle segment signature in the complete data, the client calculates the signature verification of the client through the complete data, the client compares the signature verification of the client with the first segment signature of the signature generated by the customer service end, if the signature verification of the client is equal to the first segment signature generated by the customer service end, the client receives the financial data sent by the customer service end, and if the signature verification of the client is not equal to the first segment of signature generated by the customer service end, the client refuses to receive the financial data sent by the customer service end and returns an error signal to the customer service end.
3. The financial big data processing method based on 5G and block chain as claimed in claim 1, wherein before the communication between the customer service end and the client end, the power of each communication module is adjusted according to the signal strength index of each communication module, and the signal strength index Q of each communication modulesThe calculation formula is as follows:
Figure FDA0002418378750000031
wherein, WsIs the power of the communication module, PsEfficiency of transmission of 5g high frequency radio wave for communication module, MzFor transmitting the energy of a single photon in an optical fibre, RsL for the diameter of the transmission fiberxIs the distance between the communication module and the nearest base station, IzThe air transmission rate of 5g of high-frequency radio waves between the communication module and the nearest base station, and K is the adjacent channel leakage power ratio;
according to the signal intensity index Q of the communication modulesAdjusting power W of a communication modulesMake Q of the communication modulesAnd the communication requirements are met.
4. The financial big data processing method based on 5G and the block chain as claimed in claim 1, wherein when the customer service end and the client end are closer, the customer service end and the client end communicate through D2D connection of 5G network.
5. The financial big data processing method based on 5G and the blockchain as claimed in claim 1, wherein the blockchain adopts POS consensus algorithm.
6. The 5G and blockchain based financial big data processing method according to claim 1, wherein the financial big data processing unit further sends the customer ID and the corresponding financial transaction data to a cloud server for backup.
7. The financial big data processing system based on 5G and a block chain is characterized by comprising a client, a financial big data processing unit and a customer service end, wherein,
the client is used for acquiring financial data processing signals, client IDs and corresponding financial transaction data input by a client and transmitting the financial data processing signals, the client IDs and the corresponding financial transaction data to the financial big data processing unit through a 5G network;
the financial big data processing unit is used for receiving the financial data processing signal, the client ID and the corresponding financial transaction data transmitted by the client, and judging the type of the financial data processing signal;
when the financial data processing signal is a financial data filing signal, the financial big data processing unit sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a local server for storage, and simultaneously sends the customer ID, the corresponding financial transaction data and the corresponding timestamp to a block chain;
when the financial data processing signal is a financial data calling signal, the financial big data processing unit calls out the financial data of the local server stored in the local server according to the client ID and the corresponding financial transaction data and returns the financial data to the client through a 5G network; if the client sends a challenge to the returned local server financial data, the client sends a verification signal to the financial big data processing unit, the financial big data processing unit inquires block chain financial data in a block chain according to the client ID and the corresponding financial transaction data, compares the local server financial data with the block chain financial data, and returns a data error-free signal to the client if the local server financial data is consistent with the block chain financial data; and if the local server financial data is inconsistent with the block chain financial data, sending a waiting signal to a client, and sending a warning signal to the customer service end to prompt related personnel of the customer service end to verify the authenticity of the local server financial data and the block chain financial data.
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