CN109194641A - A kind of transmission method of business datum, device, equipment and storage medium - Google Patents
A kind of transmission method of business datum, device, equipment and storage medium Download PDFInfo
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- CN109194641A CN109194641A CN201810981827.3A CN201810981827A CN109194641A CN 109194641 A CN109194641 A CN 109194641A CN 201810981827 A CN201810981827 A CN 201810981827A CN 109194641 A CN109194641 A CN 109194641A
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- 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
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- 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
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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Abstract
This application discloses a kind of transmission methods of business datum, the method that business datum is transferred directly to appraisal agency using data transmission network in compared to the prior art, the characteristics of data that this method is utilized in the distributed storage technology and common recognition mechanism and block chain of block chain decentralization can not distort, after collecting business datum, business datum is uploaded by the data memory node on block chain, so that appraisal agency can obtain the business datum by block chain, to improve the safety that appraisal agency obtains business datum, improve the safety of data transmission.Disclosed herein as well is a kind of transmitting device of business datum, equipment and computer readable storage mediums, all have above-mentioned beneficial effect.
Description
Technical field
The present invention relates to field of information transmission, in particular to a kind of transmission method of business datum, device, equipment and calculating
Machine readable storage medium storing program for executing.
Background technique
In recent years, with the fast development of economic society, the business risk moment affects the business activities and finance of enterprise
Activity, it is therefore desirable to the business risk of enterprise be calculated, assessed and be predicted, important reference letter is provided for enterprise operation
Breath.
In the prior art, the business datum of enterprise is acquired by enterprise terminal and utilizes data transmission network by business datum
It is transferred to appraisal agency, so that appraisal agency is assessed and predicted according to operation situation of the business datum to enterprise.But
In this fashion, it when transmitting in data transmission network due to business datum, is easy illegally intercepted, distorted, thus to enterprise
The operation security of industry poses a serious threat, or even brings serious economic loss to enterprise.
Therefore, how improving appraisal agency and obtaining the safety of the business datum of enterprise is that those skilled in the art need at present
Technical problems to be solved.
Summary of the invention
In view of this, capableing of the peace of data transmission the purpose of the present invention is to provide a kind of transmission method of business datum
Quan Xing；It is a further object of the present invention to provide a kind of transmitting device of business datum, equipment and computer readable storage mediums,
With above-mentioned beneficial effect.
In order to solve the above technical problems, the present invention provides a kind of transmission method of business datum, comprising:
Capturing service data；
Data memory node on block chain uploads the business datum, so that appraisal agency obtains from the block chain
Take the business datum.
Preferably, before the data memory node upload business datum described on block chain, further includes:
Authentication information is sent to the data memory node；
After the confirmation message returned after receiving the data memory node and being verified to the authentication information,
The step of uploading the business datum into the data memory node on block chain.
Preferably, the data memory node on block chain uploads the business datum, so that appraisal agency is from institute
It states and obtains the business datum in block chain and specifically include:
The business datum is encrypted using preset encryption rule to obtain ciphertext data；
The ciphertext data are uploaded to the data memory node on the block chain；
The data memory node is advised after receiving the ciphertext data using decryption corresponding with the encryption rule
The business datum then is obtained to the ciphertext data deciphering, so that the appraisal agency obtains the industry from the block chain
Business data.
Preferably, data memory node described on block chain uploads the business datum, so as to appraisal agency from
After obtaining the business datum in the block chain, further comprise:
The appraisal agency according to the intelligent contract that pre-establishes and using risk forecast model to the business datum into
Row assessment, and obtain assessment result.
Preferably, the training process of the risk forecast model specifically:
It obtains sample business datum and is pre-processed；
Machine learning feature set corresponding with risk function is constructed using the pretreated sample business datum；
Optimization is trained to the machine learning feature set using machine learning model, to obtain the risk profile mould
Type.
In order to solve the above technical problems, the present invention also provides a kind of transmitting devices of business datum, comprising:
Acquisition module is used for capturing service data；
Uploading module uploads the business datum for the data memory node on block chain, so as to appraisal agency from
The business datum is obtained in the block chain.
Preferably, further comprise:
Authentication module for sending authentication information to the data memory node, and receives the data and deposits
The confirmation message that storage node generates after being verified to the authentication information.
In order to solve the above technical problems, the present invention also provides a kind of transmission devices of business datum, comprising:
Memory, for storing computer program；
Processor realizes the step of the transmission method of any of the above-described kind of business datum when for executing the computer program
Suddenly.
In order to solve the above technical problems, the present invention also provides a kind of computer readable storage medium, it is described computer-readable
Computer program is stored on storage medium, the computer program realizes any of the above-described kind of business datum when being executed by processor
Transmission method the step of.
A kind of transmission method of business datum provided by the invention, it is middle compared to the prior art to utilize data transmission network
The method that business datum is transferred directly to appraisal agency, this method be utilized block chain decentralization distributed storage technology and
The characteristics of data in common recognition mechanism and block chain can not distort, after collecting business datum, by block chain
Data memory node uploads business datum, so that appraisal agency can obtain the business datum by block chain, to mention
Gao Liao appraisal agency obtains the safety of business datum, improves the safety of data transmission.
In order to solve the above technical problems, the present invention also provides a kind of transmitting device of business datum, equipment and computers
Readable storage medium storing program for executing all has above-mentioned beneficial effect.
Detailed description of the invention
It in order to illustrate the embodiments of the present invention more clearly or the technical solution of the prior art, below will be to embodiment or existing
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to the attached drawing of offer.
Fig. 1 is a kind of flow chart of the transmission method of business datum provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of interaction agent information exchange provided in an embodiment of the present invention；
Fig. 3 is the timing diagram of the transmission method of another business datum provided in an embodiment of the present invention；
Fig. 4 is a kind of structure chart of the transmitting device of business datum provided in an embodiment of the present invention；
Fig. 5 is a kind of structure chart of the transmission device of business datum provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The core of the embodiment of the present invention is to provide a kind of transmission method of business datum, is capable of the safety of data transmission；
Another core of the invention is to provide transmitting device, equipment and the computer readable storage medium of a kind of business datum, all has
Above-mentioned beneficial effect.
It is right with reference to the accompanying drawings and detailed description in order to make those skilled in the art more fully understand the present invention program
The present invention is described in further detail.
Fig. 1 is a kind of flow chart of the transmission method of business datum provided in an embodiment of the present invention；Fig. 2 is that the present invention is implemented
A kind of schematic diagram for interaction agent information exchange that example provides.As depicted in figs. 1 and 2, the transmission method packet of a kind of business datum
It includes:
S10: capturing service data.
Specifically, the present embodiment is using the business datum of enterprise terminal acquisition enterprise, business datum refers to assessment machine
The business datum of required enterprise when the operation situation that structure is calculated to assess, predict enterprise.Business datum can be wrapped specifically
Include transaction record, financial information, creditor-debtor entry information and the credit information that whether may be broken a contract etc..It is understood that by
Assessed and predicted that taken standard is different in different appraisal agencies, therefore corresponding required business datum may also
It has differences namely business datum can also include other data informations, the present embodiment does not do specific restriction to this.
S20: the data memory node on block chain uploads business datum, so that appraisal agency obtains industry from block chain
Business data.
Specifically, the data memory node on block chain uploads business datum after collecting business datum.It needs
Illustrate, block chain (Blockchain) is with Distributed Storage, point-to-point transmission, common recognition mechanism, Encryption Algorithm
Etc. the decentralization of the new application mode of computer technologies database, block chain is a kind of sequentially in time will in other words
Data block is combined into a kind of database of linked data structure in such a way that sequence is connected.Data memory node namely data are deposited
Server is stored up, is for receiving the node of the business datum uploaded on block chain, by reception business datum and by business datum
It is packaged into data block sequentially in time, in order to form linked data structure, business datum is stored in distributed number
According in library.
In specific implementation, in general, needing elder generation before the data memory node on block chain uploads business datum
Data memory node on block chain, which is sent, uploads request of data, is obtaining the request return information of data memory node return
Later, it just can be carried out the operation for uploading business datum.Upload the facility information that enterprise terminal is generally comprised in request of data, request
Instruction etc., in order to which the data memory node on block chain tests the upload request of data by preset verification mode
Card, generates corresponding request return information, and return to enterprise terminal after being verified.Enterprise terminal is receiving the request
After return information, business datum is uploaded to data memory node.
After business datum is uploaded to data memory node by enterprise terminal, data memory node runs Delegated
Proof of Stake (DPoS) common recognition mechanism broadcasts business datum to default on the block chain where the data memory node
Other data memory nodes.It is deposited that is, broadcasting the business datum to preset other data in data memory node
Before storing up node, all data memory nodes needs on the block chain first verify business datum；And it is accumulative to the industry
Data check result of being engaged in be by data memory node quantity, when the quantity of data memory node that verification passes through is more than pre-
If when value, then it represents that the business datum is safe, therefore the business datum is broadcasted by way of broadcast to the data and is deposited
Other preset data memory nodes on block chain where storage node, appraisal agency can be required for obtaining in block chain
Business datum.Specifically, other data memory nodes can verify the integrality of business datum, if business datum is complete
It is whole, then save the business datum；Otherwise, the data memory node is requested to re-broadcast the business datum.
A kind of transmission method of business datum provided in an embodiment of the present invention, it is middle compared to the prior art to be transmitted using data
The distributed storage of block chain decentralization is utilized in the method that business datum is transferred directly to appraisal agency by network, this method
The characteristics of data in technology and common recognition mechanism and block chain can not distort, after collecting business datum, by block
Data memory node on chain uploads business datum, so that appraisal agency can obtain the business datum by block chain,
To improve the safety that appraisal agency obtains business datum, the safety of data transmission is improved.
On the basis of the above embodiments, in order to further improve the safety that appraisal agency obtains business datum, this
Embodiment has made further instruction and optimization to technical solution, specifically, uploading in the data memory node on block chain
Before business datum, further includes:
Authentication information is sent to data memory node；
After the confirmation message generated after receiving data memory node and being verified to authentication information, into area
The step of data memory node on block chain uploads business datum.
That is, business datum, is uploaded to by the transmission method of business datum provided in this embodiment in enterprise terminal
Before the data memory node of block chain, need in advance to authenticate the identity information of enterprise terminal, to improve enterprise terminal
Business datum is uploaded to the safety of data memory node process.Specifically, first pass through in advance authentication center to enterprise terminal into
Row authentication and authorization, obtain the enterprise terminal uniquely corresponding authentication information, then in enterprise terminal by business datum
It is uploaded to before the data memory node of block chain, sends authentication information to data memory node, data memory node is pressed
The authentication information sent according to pre-set proof rule to enterprise terminal is verified.If being verified, generate true
Recognize information and returns to enterprise terminal；If verifying does not pass through, terminate process, enterprise terminal is not allowed to upload business datum；Or
Person, data memory node can also return to the instruction for re-starting certification, in order to which enterprise terminal retransmits authentication letter
Breath.
As preferred embodiment, can also first pass through in advance authentication center to data memory node carry out authentication and
Authorization, before enterprise terminal uploads business datum to data memory node, enterprise terminal will also be carried out data memory node
Authentication, to ensure the safety of data memory node.
By judging to whether there is and enterprise terminal/data memory node identity in data memory node/enterprise terminal
Whether the corresponding verification information of authentication information judges whether authentication information is consistent with verification information, therefore, it is determined that verifying
Pass through.It should be noted that authentication information can be the information such as pre-set character password, fingerprint, the present embodiment pair
This does not do specific restriction.
As it can be seen that the transmission method of business datum provided in this embodiment, by carrying out authentication to enterprise terminal, and
The authentication of enterprise terminal could upload business datum after passing through, and further increase the safety of transmission data.In addition, logarithm
The process of authentication is also carried out according to memory node, so that the data memory node that only authentication passes through could safeguard block
Chain, so that block chain is transported caused by avoiding data memory node all in above-described embodiment from carrying out transmission data to block chain
The disadvantages of row expense is excessive, management is inconvenient greatly reduces the data storage, operation and transmission pressure of entire block chain network,
Improve flexibility, practicability and the scalability of block chain network.
As preferred embodiment, authentication information is specially digital certificate.
It should be noted that digital certificate be an authenticated center number signature comprising public key owner information and
The file of public-key cryptography.Using digital certificate as encryption technology (the safe skill such as encrypted transmission, digital signature, digital envelope of core
Art) information of transmission over networks can be encrypted and decrypted, digital signature and signature verification, it is ensured that online transmitting information
Confidentiality, integrality and the non repudiation of transaction.In addition, since an important feature of digital certificate is in the specific time
In section effectively, therefore the accuracy of verification process is further improved, thus the reliability of enterprise terminal, so that uploading to
The safety of business datum is higher, so that the safety that appraisal agency obtains business datum is higher.
It in the present embodiment, is technology contents known in those skilled in the art for the generating mode of digital certificate,
This will not be repeated here, and present embodiment focuses on passing through using digital certificate progress authentication and verifying enterprise terminal
Security reliability, to improve the safety and reliability of the data of enterprise terminal upload.
On the basis of the above embodiments, the present embodiment has made further instruction and optimization to technical solution, specifically,
The method of encryption is specially that asymmetric encryption techniques are encrypted.
It is understood that symmetric cryptography skill can be divided into according to Key Tpe difference by carrying out encryption technology to business datum
Art and asymmetric encryption techniques.Symmetric cryptography uses symmetric cryptography coding techniques, and its feature is file encryption reconciliation secret emissary
With identical key, i.e. encryption key is also used as decruption key.Symmetric encipherment algorithm use it is simple and fast, key compared with
It is short.By being encrypted using public key to business datum in rivest, shamir, adelman, data transmission nodal is using private key to ciphertext
Data are decrypted.Since public key and private key are different, the safety of business datum can be further increased.
As preferred embodiment, the data memory node on block chain uploads business datum, so as to appraisal agency
Business datum is obtained from block chain to specifically include:
Business datum is encrypted using preset encryption rule to obtain ciphertext data；
Ciphertext data are uploaded to the data memory node on block chain；
Data memory node is after receiving ciphertext data, using decryption rule corresponding with encryption rule to ciphertext data
Decryption obtains business datum, so that appraisal agency obtains business datum from block chain.
That is, enterprise terminal utilizes preset encryption rule before uploading business datum to data memory node
Business datum is encrypted, to obtain encrypted business datum, i.e. ciphertext data, then ciphertext data are uploaded to block
Data memory node on chain；Correspondingly, data memory node is after receiving the ciphertext data, using with the encryption rule
The ciphertext data are decrypted in corresponding decryption rule, to obtain original business datum, enable appraisal agency
Business datum is obtained from block chain.
Referring to FIG. 3, Fig. 3 is the timing diagram of the transmission method of another business datum provided in this embodiment.
Specifically, acquisition is specific to enterprise terminal j after authentication and authorization that enterprise terminal j passes through authentication center
Public key (PKEnt_j), private key (SKEnt_j) and digital certificate (CertEnt_j), become legal uploading nodes, have energy
Enough permissions that business datum is uploaded to the data memory node on block chain.
Data memory node BSiAfter the authentication and authorization of authentication center, acquisition is specific to data storage
Node BSiPublic key (PKserver_i), private key (SKserver_i) and digital certificate (Certserver_i), become block chain
Upper legal data memory node, saves the business datum uploaded by enterprise terminal.
Step 1: enterprise terminal j, which is sent, uploads request of data and authentication information to neighbouring data memory node BSi,
Wherein, authentication information includes the digital certificate CertEnt_j of the enterprise terminal j and digital signature Sig of generationrequest_j；
Step 2: data memory node BSiReceive the upload request of data and authentication information of enterprise terminal j transmission
Afterwards, upload request of data and authentication information are verified, and confirmation letter is replied to enterprise terminal j after being verified
Breath；
Step 3: after enterprise terminal j receives confirmation message, needs being uploaded using the public key PKEnt_j of enterprise terminal j
Business datum is encrypted, and the structure for encrypting data in file is [Enterprise_i | | timestamp], encrypted ciphertext number
According to for Data_BSi_j, while generating the digital signature Sig of ciphertext datadata_j；
Step 4: by ciphertext data Data_BSi_j, ciphertext data digital certificate Certdata_jAnd the number of ciphertext data
Word signature Sigdata_jUpload to data memory node BSi；
Step 5: data memory node BSiReceive the ciphertext data Data_BS that enterprise terminal j is uploadedi_j, to ciphertext data
Digital certificate Certdata_jAnd the digital signature Sig of ciphertext datadata_jLegitimacy test, pass through in legitimacy
The private key SKserver_i of itself is reused afterwards to ciphertext data Data_BSi_jIt is decrypted, obtains original business datum, then
The integrality of business datum is verified, if the digital certificate Cert of ciphertext datadata_jAnd the number label of ciphertext data
Name Sigdata_jLegal and business datum is complete, then stores business datum into local distributed data base, otherwise, then
Send the instruction for requiring enterprise terminal j to upload the business datum again；
Step 6: data memory node operation Delegated Proof of Stake (DPoS) the common recognition machine in block chain
System broadcasts business datum to others data memory node preset on block chain so that appraisal agency obtains from block chain
Business datum.
As it can be seen that the transmission method of business datum provided in an embodiment of the present invention, is utilized the distribution of block chain decentralization
The characteristics of data in formula memory technology and common recognition mechanism and block chain can not distort, after collecting business datum, passes through
Data memory node on block chain uploads business datum, so that appraisal agency can obtain the business by block chain
Data improve the safety of data transmission to improve the safety that appraisal agency obtains business datum.
It should be noted that in practical applications, since the evaluation criteria that different appraisal agencies is predicted is different, because
After the business datum for getting enterprise terminal upload, the assessment result of each appraisal agency will be not quite similar, and lead to each assessment for this
Mechanism is not objective to the risk assessment of enterprise, this will cause enterprise still can not accurately obtain current business risk.Therefore, exist
On the basis of above-described embodiment, the present embodiment has made further instruction and optimization to technical solution, specifically, to block chain
On data memory node upload business datum, so as to appraisal agency from block chain obtain business datum after, further wrap
It includes:
Appraisal agency assesses business datum according to the intelligent contract pre-established and using risk forecast model, and
Obtain assessment result.
Specifically, appraisal agency sends data inquiry request to neighbouring memory node；Data memory node is receiving
After the request, by verifying the identity information and data inquiry request of the appraisal agency, specifically, the identity of verifying appraisal agency
The mode of information and the mode of data inquiry request and the mode phase for the identity information that enterprise terminal is verified in above-described embodiment
It is similar, therefore can refer to above-described embodiment, details are not described herein again.It should be noted that in the present embodiment, if data memory node
Being verified for identity information and data inquiry request to appraisal agency, then trigger intelligent contract, transmits to appraisal agency
Business datum.
It should be noted that intelligent contract refers to a kind of program generation for operating in the transparence in data storage network
Code is the contract realized by code, and the contract is to all nodes in data storage network as it can be seen that and being difficult to after contract generation
It distorts.In the present embodiment, intelligent contract defines the extent of competence and assessment machine for the appraisal agency that is connected with data storage network
The content and format of structure acquisition business datum.As it can be seen that can further ensure that appraisal agency obtains business number by intelligent contract
According to safety.
It should be noted that utilizing pre-set risk forecast model after appraisal agency gets business datum
Business datum is assessed, obtains assessment result, to judge the business risk of the corresponding enterprise of business datum.
More specifically, the training process of risk forecast model specifically:
It obtains sample business datum and is pre-processed；
Machine learning feature set corresponding with risk function is constructed using sample business datum；
Optimization is trained to machine learning feature set using machine learning model, to obtain risk forecast model.
Specifically, obtaining sample business datum and being pre-processed, there are many methods for pretreatment, and it is clear to specifically include data
Reason, data integration, data transformation and data regularization etc..Business datum is pre-processed before carrying out data mining, significantly
The quality for the data information excavated is improved, the time required for data mining is reduced, to improve the efficiency of data mining.
After being pre-processed to sample business datum, sample business datum is excavated to obtain machine learning feature set,
Machine learning feature set corresponding with risk function is constructed using by pretreated sample business datum, then utilizes machine
Device learning model is trained optimization to machine learning feature set, to obtain risk forecast model.
It should be noted that the factor of time decaying can also be further considered when constructing machine learning feature set, it is right
Continuous variable constructs sequencing feature and statistical nature, combines weak variable and is converted to strong variable, while using time sliding window mode, weighing apparatus
All operations behavior of the enterprise in different time window is measured, the accuracy of the prediction of risk forecast model can be effectively improved.
It should be noted that the business datum that can also obtain appraisal agency is as sample industry in risk assessment processes
Business data are also added in the training of risk forecast model, and the prediction of risk forecast model is continuously improved by way of iteration
Accuracy.
In the present embodiment, in the safety of improve data transfer, the safety that appraisal agency obtains business datum is improved
On the basis of, appraisal agency is further improved using the accuracy and reliability of assessment when business datum progress risk assessment.
The embodiment for obtaining the method for business datum for a kind of appraisal agency provided by the invention above has carried out in detail
Description, the present invention also provides device, equipment and calculating that a kind of corresponding with this method appraisal agency obtains business datum
Machine readable storage medium storing program for executing, due to the embodiment of device, equipment and computer readable storage medium part and the implementation of method part
Example mutually correlates, therefore the embodiment of device, equipment and computer readable storage medium part refers to the implementation of method part
The description of example, wouldn't repeat here.
Fig. 4 is a kind of structure chart of the transmitting device of business datum provided in an embodiment of the present invention, comprising:
Acquisition module 41 is used for capturing service data；
Uploading module 42 uploads business datum for the data memory node on block chain, so that appraisal agency is from area
Business datum is obtained in block chain.
A kind of transmitting device of business datum provided in an embodiment of the present invention, is utilized the distribution of block chain decentralization
The characteristics of data in memory technology and common recognition mechanism and block chain can not distort is collecting business number by acquisition module
According to rear, business datum is uploaded using data memory node of the uploading module on block chain, so that appraisal agency can lead to
It crosses block chain and obtains the business datum, to improve the safety that appraisal agency obtains business datum, improve data transmission
Safety.
Fig. 5 is a kind of structure chart of the transmission device of business datum provided in an embodiment of the present invention, comprising:
Memory 51, for storing computer program；
Processor 52, when for executing computer program the step of the realization such as transmission method of above-mentioned business datum.
A kind of transmission device of business datum provided in an embodiment of the present invention, the transmission method with above-mentioned business datum
Beneficial effect.
In order to solve the above technical problems, the present invention also provides a kind of computer readable storage medium, computer-readable storage
It is stored with computer program on medium, realizes when computer program is executed by processor such as the transmission method of above-mentioned business datum
Step.
Computer readable storage medium provided in an embodiment of the present invention has the beneficial of the transmission method of above-mentioned business datum
Effect.
Above to a kind of transmission method of business datum provided by the present invention, device, equipment and computer-readable storage
Medium is described in detail.Principle and implementation of the present invention are described for specific embodiment used herein,
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas.It should be pointed out that for this technology
For the those of ordinary skill in field, without departing from the principle of the present invention, several improvement can also be carried out to the present invention
And modification, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment, set
For standby and computer readable storage medium, since it is corresponded to the methods disclosed in the examples, so be described relatively simple,
Reference may be made to the description of the method.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Claims (9)
1. a kind of transmission method of business datum characterized by comprising
Capturing service data；
Data memory node on block chain uploads the business datum, so that appraisal agency obtains institute from the block chain
State business datum.
2. the method according to claim 1, wherein uploading institute in the data memory node on block chain
Before stating business datum, further includes:
Authentication information is sent to the data memory node；
After the confirmation message returned after receiving the data memory node and being verified to the authentication information, enter
The step of data memory node on block chain uploads the business datum.
3. according to the method described in claim 2, it is characterized in that, described in the data memory node upload on block chain
Business datum specifically includes so that appraisal agency obtains the business datum from the block chain:
The business datum is encrypted using preset encryption rule to obtain ciphertext data；
The ciphertext data are uploaded to the data memory node on the block chain；
The data memory node is right using decryption rule corresponding with the encryption rule after receiving the ciphertext data
The ciphertext data deciphering obtains the business datum, so that the appraisal agency obtains the business number from the block chain
According to.
4. method according to any one of claims 1 to 3, which is characterized in that in the data storage on block chain
Node uploads the business datum, so that appraisal agency is after obtaining the business datum in the block chain, further wraps
It includes:
The business datum is commented according to the intelligent contract pre-established and using risk forecast model by the appraisal agency
Estimate, and obtains assessment result.
5. according to the method described in claim 4, it is characterized in that, the training process of the risk forecast model specifically:
It obtains sample business datum and is pre-processed；
Machine learning feature set corresponding with risk function is constructed using the pretreated sample business datum；
Optimization is trained to the machine learning feature set using machine learning model, to obtain the risk forecast model.
6. a kind of transmitting device of business datum characterized by comprising
Acquisition module is used for capturing service data；
Uploading module uploads the business datum for the data memory node on block chain, so that appraisal agency is from described
The business datum is obtained in block chain.
7. device according to claim 6, which is characterized in that further comprise:
Authentication module for sending authentication information to the data memory node, and receives the data storage section
The confirmation message that point generates after being verified to the authentication information.
8. a kind of transmission device of business datum characterized by comprising
Memory, for storing computer program；
Processor realizes the biography such as business datum described in any one of claim 1 to 5 when for executing the computer program
The step of transmission method.
9. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the transmission such as business datum described in any one of claim 1 to 5 when the computer program is executed by processor
The step of method.
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