CN110233868A - A kind of edge calculations data safety and method for secret protection based on Fabric - Google Patents
A kind of edge calculations data safety and method for secret protection based on Fabric Download PDFInfo
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- CN110233868A CN110233868A CN201910320624.4A CN201910320624A CN110233868A CN 110233868 A CN110233868 A CN 110233868A CN 201910320624 A CN201910320624 A CN 201910320624A CN 110233868 A CN110233868 A CN 110233868A
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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
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
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- 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
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- 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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
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Abstract
The invention discloses a kind of edge calculations data safety and method for secret protection based on Fabric, this method can not distort characteristic due to block chain itself, prevent the damage of artificial malice deletion and hacker attack to data.Since user can obtain data in the node application inquiry for arbitrarily building this Fabric, the safety of data can ensure that in the case where equipment accidental damage.It builds in the Fabric node in edge calculations equipment by broadcasting information sharing into alliance's chain network; safely information sharing is given to other edge calculations nodes for having built this Fabric in this way; since all operations in block chain network can all verify the identity of user; it ensure that the user for being only authorized to search access right can obtain data from Fabric; make the personnel not held qualification or operator that can not inquire data, completes the protection to private data.The final protection for realizing Fabric to edge calculations data safety and privacy.
Description
Technical field
The invention belongs to block chain technical fields, edge calculations field, data security arts, are related to a kind of based on Fabric
Edge calculations data safety and method for secret protection.
Background technique
With the stable development of science and technology, Internet of Things is to push society as the another new industry after internet
The important productivity of high speed development, it will inject powerful vigor for development of world economy.One important technology of Internet of Things: side
Edge calculates, and is a kind of framework of distributing operation.Under this framework, by application program, data information and the operation of service, by
Network Central Node, fringe node on migration cellular logic are handled.Edge calculations will be handled by central node completely originally
Large-scale service is decomposed, and is cut into the smaller part with more easily management, is distributed to fringe node and goes to handle.Fringe node is more
Close to data terminal unit, processing and the transmission speed of data can be accelerated, reduce delay.
Edge calculations equipment is due to large number of, and position distribution is more dispersed and environment is sufficiently complex, inside many equipment
It is the weaker embedded chip system of computing capability, is difficult to realize self safeguard protection.Safety problem seriously restricts edge
The development of calculating, how solving the problem of data safety of this insecure environments will be a major challenge.
Traditional data storage method lacks safety, the Shortcomings in the safe level to data protection, in number
During according to processing as caused by hardware fault, power-off, crash, artificial maloperation, bugs, virus or hacker etc.
Database corruption or loss of data phenomenon, the personnel or operator that certain sensitive or secrecy data may not hold qualification read
It reads, and causes the consequences such as leakage of data.In addition, traditional data, which upload storage, depends on centralization database with processing method,
Keep core database server load larger, and there are trust problems.
After kidnapping virus outbreak from internet in 2016, " bit coin " starts to progress into the public visual field, at that time greatly
Groups of people are only limitted to a kind of virtual trading currency to the understanding of bit coin.Hereafter over 2 years, the ratio of " bit coin " and dollar
It is increasingly high.At the same time, into numerous researchers and the developer visual field it is its Floor layer Technology --- " block chain ".Someone's ratio
Explaining it is a kind of revolutionary technology development, more it is believed that it is that another will change the world, push the world after internet
The new things of development.
Block chain is a kind of distributed cryptographic book keeping operation system that can not be distorted of transparence.As " bit coin " bottom skill
Art, block chain are that the transaction of bit coin transfers accounts etc. and to provide fool proof reliable guarantee.
Summary of the invention
The present invention is directed to use block chain technology, the data safety and Privacy Protection of edge calculations node are solved.It passes
The edge calculations data storage method of system Shortcomings in the safe level to data protection, during data processing by
Database corruption or data caused by hardware fault, power-off, crash, artificial maloperation, bugs, virus or hacker etc.
Loss, the personnel or operator that certain sensitive or secrecy data may not hold qualification read, and cause leakage of data
Etc. consequences.Traditional edge calculations internet of things data uploads storage method and depends on centralization database, takes core database
Business device load is larger, and there are trust problems.For this purpose, it is an object of the invention to realize based on a kind of edge by Fabric
It counts according to security and privacy guard method.
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of edge calculations data safety and method for secret protection based on Fabirc, implementation method function structure such as Fig. 1
It is shown: Internet of Things initial data to be acquired in the sensor network scene production scene of physical layer first, by the side of edge calculations layer
Edge calculation block chain node receives data.Fabric is built on edge calculations block chain node, in each section of edge calculations
The Fabric node such as host node of different function is built on point, node of endorsing submits node and anchor node, the entire net of block chain
Network is formed by connecting by anchor node.By mobile network, http protocol, the data transfer modes such as TCP/IP transmit data to side
The backstage Fabric on edge calculation block chain node, at that can apply data, reduced data is uploaded to by data preparation
Fabric, protected data source is for sensor network scene production scene Internet of Things netting index collected in this method
According to.User can be applied by Web or the behaviour such as B/S client framework traces to the source to the data in Fabric or data are analyzed
Make.Characteristic can not be distorted due to block chain itself, prevent the damage of artificial malice deletion and hacker attack to data.Due to
User can obtain data in the node application inquiry for arbitrarily building this Fabric, can be in the case where equipment accidental damage
It ensure that the safety of data.The Fabric node in edge calculations equipment is built by broadcasting information sharing to alliance
In chain network, safely information sharing is given to other edge calculations nodes for having built this Fabric in this way, due in area
All operations can all verify the identity of user in block chain network, ensure that the user for being only authorized to search access right can be from
Fabric obtains data, makes the personnel not held qualification or operator that can not inquire data, completes the protection to private data.
Fabric operational flow diagram is as shown in Fig. 2, the node of Fabric alliance chain has: CA node receives the note of client
Volume application returns to log-in password for logging in, to obtain letter of identity；Endorsement node is only sent out in application program to node
Rise transaction endorsement request when just become endorsement node, other when be common accounting nodes, only be responsible for verifying transaction simultaneously keep accounts.
It executes transaction and returns to YES/NO response to the client application for generating transaction motion (proposal)；Host node is responsible for
With sequence service node communication, newest block is obtained from sequence service node and portion is synchronous within the organization, can force to set
It sets, can also elect；Node is submitted, is responsible for verifying from the transaction in the sequence received block of service node, then by block
Submit (write-in/addition) to arrive the copy of its channel account book, accounting nodes also by each transactional marking in each piece be it is effective or
In vain；Anchor node, the node that can be found by every other node；Ordering joint, ordering joint are received comprising endorsement signature
Transaction, is ranked up generation block to the transaction not being packaged, is broadcast to host node.Application client is called by SDK and is demonstrate,proved
Book service (CA) service, is registered and is registered, and obtain letter of identity.Application client passes through SDK to block link network
Network initiates a transaction motion (Proposal), and transaction motion is with this transaction Contract ID, contract method to be called
Endorsement (Endorser) node is sent to information such as parameter information and client signatures.Endorsement (Endorser) node receives
It trades after motion (Proposal), verifying signs and determines whether submitter has the right to execute operation, while according to tactful mould of endorsing
It is quasi- to execute intelligent contract, and result and its respective CA certificate signature are returned to application client.Application client
End receive endorsement (Endorser) node return information after, judge whether motion result consistent, and whether referring to specify
Endorsement strategy execution, if stopping to handle without enough endorsements；Otherwise, data are bundled to one by application client
It plays composition one to trade and sign, is sent to sequence service node.Sequence service node carries out common recognition row to the transaction received
A batch transaction is bundled to then according to block generation strategy and generates new block together, be sent to host node by sequence；Host node
After receiving block, submission node can be synchronized in portion within the organization.It submits node that can verify to every transaction in block, examines
The state whether input and output that transaction relies on meet current block chain is looked into, block is appended to local block chain after the completion,
And modify world state.
Method includes the following steps:
Step 1: by reading original Internet of Things netting index in real time on the acquisition of the terminal devices such as sensor acquisition, mobile phone or network
According to by mobile network, http protocol, the data transfer modes such as TCP/IP send data in real time；
Step 2: setting monitors and writes data-interface on alliance's block chain backstage of edge calculations frame local node
Collected initial data in receiving step 1；
Step 3: the data in step 2 being parsed on alliance's block chain backstage, is organized into and can will be counted using data
According to being split variable and be packaged into an orderly manner according to the affair logic to uplink data；
Step 4: by being uploaded in the Fabric put up to uplink data by SDK application in step 3, if by
It regards as trusted and has the identity of storage permission, Fabric then storing data.It is built in edge calculations equipment at this time
Information is passed in Fabric network by Fabric node by broadcasting, and has safely given information sharing to other build in this way
The edge calculations node of this Fabric；
Step 5: user can be applied by Web or B/S client framework is in any edge meter for having built this alliance chain
Operator node calls intelligent contract to take out data to Fabric application, if being identified as trusted and having the user of storage permission
Identity can then take out corresponding data and carry out data analysis application；
The present invention can be good at the characteristics of using block chain, be stored using block chain, solves traditional data and uploads
Storage depends on the trust problem of centralization database.The characteristics of can not being distorted using block chain, improves Internet of Things netting index well
According to the safety of the safety and data processing that are stored in edge calculations node, by the way that information is broadcasted in Fabric network
Complete safe and reliable shared, the protection using Fabric to user's progress priority assignation completion to private data of information.Most
It realizes eventually to the data safety and secret protection in edge computing architecture.
This method feasibility is high, highly reliable, solves traditional data and uploads storage with processing method dependent on center
Change the trust problem of database.Improve the safety that data in edge calculations framework store accurate safety and data transmission
Property, improve the protection to private data in edge computing architecture.It is final realize to the data safety of edge computing architecture with it is hidden
Private protection.
Detailed description of the invention
Fig. 1 is system function architecture diagram；
Fig. 2 is Fabric operational flow diagram；
Fig. 3 is the logical architecture figure of system；
Specific embodiment
The present invention will be further described for 1-3 and example with reference to the accompanying drawing:
The present invention provides a kind of edge calculations data safety and method for secret protection based on Fabric, system logic architecture
Figure as shown in figure 3, first acquire Internet of Things initial data, collected by the data access layer of edge calculations network node
Internet of things data.By mobile network, http protocol, the data transfer modes such as TCP/IP, which transmit data to, has built Fabric
The backstage Fabric on edge calculations node, in the standardized data by data preparation at json format, after standardization
Data upload to Fabric.User can be applied by Web or B/S client framework traces to the source to the data in Fabric
Or the operation such as data analysis.
Specifically includes the following steps:
Step 1: internet of things data acquisition；
Step 1.1 by reading original Internet of Things netting index on the acquisition of the terminal devices such as sensor acquisition, mobile phone or network in real time
According to data are divided into the collected sensing data of sensor network, and the affairs type data and network data that terminal is collected into connect
The network data etc. that mouth is collected into；
The collected data of step 1.2 are sent in real time by mobile network, http protocol, the data transfer modes such as TCP/IP
Data are to specified edge calculations node；
Step 2: receiving the Internet of Things initial data sent from terminal；
Step 2.1: it is arranged on alliance's block chain backstage of edge calculations frame local node and monitors, it will be where server
IP address in server end of the port as Http agreement, the monitoring of data is carried out to the port, is connect in an asynchronous manner
Receive the data that front end is uploaded.Concern port status in real time；
Step 2.2: setting event monitoring triggers function, and when the port of edge calculations local node has, data are incoming, alliance
Collected original internet of things data in data-interface receiving step 1 on block chain backstage.
Step 3: when the data-interface on alliance's block chain backstage receives the data in step 2, to reception on first time
To Internet of Things initial data parsed, be organized into and data can be split variable and according to the affair logic using data
It is packaged into the standardized data of json format in an orderly manner；
Step 4: data cochain；
Step 4.1: json format in step 3 being uploaded to using data by intelligence contract application and is put up
In Fabric, after endorsement (Endorser) node receives upload request, verifying signs and determines whether submitter has the right to execute
Operation, while intelligent contract is executed according to endorsement policy-simulative, and result and its respective CA certificate signature are returned to application
Program；
Step 4.2: after application client receives the information of endorsement (Endorser) node return, judging motion result
It is whether consistent, and whether referring to specified endorsement strategy execution, if stopping to handle without enough endorsements；Otherwise, it answers
Data are bundled to programmatic client and forms a transaction together and signs, are sent to sequence service node.
Step 4.3: sequence service node carries out common recognition sequence to the transaction received, then according to block generation strategy,
A batch transaction is bundled to and generates new block together, is sent to host node；After host node receives block, portion within the organization is understood
It is synchronized to submission node.Submit node that can verify to every transaction in block, the input and output for checking that transaction relies on are
Block is appended to local block chain after the completion, and modifies world state by the no state for meeting current block chain.
Step 4.4: information is passed to Fabric by broadcasting by the Fabric node built in edge calculations equipment at this time
In network, safely information sharing has been given to other edge calculations nodes for having built this Fabric in this way；
Step 5: user reads the data in Fabric；
Step 5.1: wanting the users of inquiry data firstly the need of applying by Web or B/S client framework is to Fabric
In certificate authority node CA carry out registration application, obtain letter of identity.All operations all can in block chain network
The identity of user is verified, this ensures that the participant of each Fabric has specific identity information；
Step 5.2: user needs to apply by Web or B/S client framework is to Fabric application taking-up data, if by
Fabric regards as trusted and has the node for reading permission, then can take out corresponding data and carry out data analysis application.
Claims (6)
1. a kind of edge calculations data safety and method for secret protection based on Fabirc, which is characterized in that first in physical layer
Sensor network scene production scene acquire Internet of Things initial data, connect by the edge calculations block chain node of edge calculations layer
Receive data；Fabric is built on edge calculations block chain node, builds different function on each node of edge calculations
Fabric node such as host node, node of endorsing submit node and anchor node, the whole network of block chain connected by anchor node and
At；By mobile network, http protocol, TCP/IP data transfer mode is transmitted data on edge calculations block chain node
The backstage Fabric, at that can apply data, is uploading to Fabric for reduced data for data preparation；
Method includes the following steps:
Step 1: by reading original internet of things data in real time on sensor acquisition, the acquisition of mobile phone terminal equipment or network, passing through
Mobile network, http protocol, TCP/IP data transfer mode send data in real time；
Step 2: setting monitors and writes data-interface reception on alliance's block chain backstage of edge calculations frame local node
Collected initial data in step 1；
Step 3: the data in step 2 are parsed, be organized into and can apply data alliance block chain backstage is upper, by data into
Row segmentation variable is simultaneously packaged into an orderly manner according to the affair logic to uplink data；
Step 4: by being uploaded in the Fabric put up to uplink data by SDK application in step 3, if be identified
For trusted and there are the identity of storage permission, Fabric then storing data；The Fabric in edge calculations equipment is built at this time
Information is passed in Fabric network by node by broadcasting, and is in this way safely to have given information sharing other to have built this
The edge calculations node of Fabric；
Step 5: user can be applied by Web or B/S client framework is in any edge calculations section for having built this alliance chain
Point calls intelligent contract to take out data to Fabric application, if being identified as trusted and having the user identity of storage permission,
Corresponding data can then be taken out and carry out data analysis application.
2. a kind of edge calculations data safety and method for secret protection based on Fabirc according to claim 1, special
Sign is that the node of Fabric alliance chain has: CA node, receives the application for registration of client, returns to log-in password and is used to log in,
To obtain letter of identity；Endorsement node only just becomes section of endorsing when application program initiates transaction endorsement request to node
Point, other when be common accounting nodes, only be responsible for verifying trade simultaneously keep accounts；Execute transaction and to generate trade motion
The client application of proposal returns to YES/NO response；Host node, is responsible for and sequence service node communicates, and takes from sequence
Newest block is obtained at business node and portion is synchronous within the organization, can be forced to be arranged, can also be elected；Node is submitted,
It is responsible for verifying from the transaction in the sequence received block of service node, then block is submitted to the copy of its channel account book, kept accounts
Each transactional marking in each piece is also effectively or invalid by node；Anchor node, the section that can be found by every other node
Point；Ordering joint, ordering joint receive the transaction comprising endorsement signature, are ranked up generation block to the transaction not being packaged, extensively
It broadcasts to host node；Application client calls cert services CA service by SDK, is registered and is registered, and obtains identity
Certificate；Application client initiates a transaction motion Proposal to block chain network by SDK, and transaction motion handle has
Contract ID, contract method and the parameter information and client signature information that this transaction to be called are sent to endorsement
Endorser node；After endorsement Endorser node receives transaction motion Proposal, verifying signs and whether determines submitter
It has the right to execute operation, while intelligent contract is executed according to endorsement policy-simulative, and result and its respective CA certificate signature are sent out
Return application client；After application client receives the information that endorsement Endorser node returns, motion knot is judged
Whether whether fruit is consistent, and referring to specified endorsement strategy execution, if stopping to handle without enough endorsements；Otherwise,
Application client, which is bundled to data, to be formed a transaction together and signs, and sequence service node is sent to；Sequence service
Node carries out common recognition sequence to the transaction received, then according to block generation strategy, a batch transaction is bundled to together, is generated
New block, is sent to host node；After host node receives block, submission node can be synchronized in portion within the organization；Submit node meeting
Every transaction in block is verified, checks whether the input and output of transaction dependence meet the state of current block chain, it is complete
Block is appended to local block chain after, and modifies world state.
3. a kind of edge calculations data safety and method for secret protection based on Fabirc according to claim 1, special
Sign is that step 1 realizes that process is as follows:
Step 1.1 is acquired by sensor, reads original internet of things data, data in real time on the acquisition of mobile phone terminal equipment or network
It is divided into the collected sensing data of sensor network, the affairs type data and network data interface that terminal is collected into are collected into
Network data；
The collected data of step 1.2 are sent data in real time by mobile network, http protocol, TCP/IP data transfer mode
Specified edge calculations node.
4. a kind of edge calculations data safety and method for secret protection based on Fabirc according to claim 1, special
Sign is that step 2 realizes that process is as follows:
Step 2.1: being arranged on alliance's block chain backstage of edge calculations frame local node and monitor, by the IP where server
Server end of the port as Http agreement in address carries out the monitoring of data to the port, before receiving in an asynchronous manner
Hold uploaded data；Concern port status in real time；
Step 2.2: setting event monitoring triggers function, and when the port of edge calculations local node has, data are incoming, alliance's block
Collected original internet of things data in data-interface receiving step 1 on chain backstage.
5. a kind of edge calculations data safety and method for secret protection based on Fabirc according to claim 1, special
Sign is that step 4 realizes that process is as follows:
Step 4.1: json format in step 3 being uploaded to using data by intelligence contract application and is put up
In Fabric, after endorsement Endorser node receives upload request, verifying signs and determines whether submitter has the right to execute behaviour
Make, while intelligent contract is executed according to endorsement policy-simulative, and result and its respective CA certificate signature are returned to using journey
Sequence；
Step 4.2: application client receive endorsement Endorser node return information after, judge motion result whether one
It causes, and whether referring to specified endorsement strategy execution, if stopping to handle without enough endorsements；Otherwise, application program
Client, which is bundled to data, to be formed a transaction together and signs, and sequence service node is sent to；
Step 4.3: sequence service node carries out common recognition sequence to the transaction received, then according to block generation strategy, by one
It criticizes to trade to be bundled to and generates new block together, be sent to host node；After host node receives block, it can synchronize in portion within the organization
Give submission node；Submit node that can verify to every transaction in block, whether the input and output for checking that transaction relies on accord with
Block, is appended to local block chain, and modify world state by the state for closing current block chain after the completion；
Step 4.4: information is passed to Fabric network by broadcasting by the Fabric node built in edge calculations equipment at this time
In, safely give information sharing to other edge calculations nodes for having built this Fabric in this way.
6. a kind of edge calculations data safety and method for secret protection based on Fabirc according to claim 1, special
Sign is that step 5 realizes that process is as follows:
Step 5.1: want inquiry data user firstly the need of by Web apply or B/S client framework into Fabric
Certificate authority node CA carries out registration application, obtains letter of identity；All operations can all be verified in block chain network
The identity of user, this ensures that the participant of each Fabric has specific identity information；
Step 5.2: user needs to apply by Web or B/S client framework is to Fabric application taking-up data, if by
Fabric regards as trusted and has the node for reading permission, then can take out corresponding data and carry out data analysis application.
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