CN110084062A - A kind of file storage identification method, system, medium and device based on block chain - Google Patents
A kind of file storage identification method, system, medium and device based on block chain Download PDFInfo
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- CN110084062A CN110084062A CN201910313706.6A CN201910313706A CN110084062A CN 110084062 A CN110084062 A CN 110084062A CN 201910313706 A CN201910313706 A CN 201910313706A CN 110084062 A CN110084062 A CN 110084062A
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- 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
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- 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
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Abstract
The present invention relates to a kind of, and the file based on block chain stores identification method, system, medium and device, and method includes that creation distributed document stores network and block chain network, and deployment file management interface；It receives storage file and is uploaded to distributed document storage network storage, and receive the initial check code of distributed document storage network return when uploading successfully；The corresponding initial check code of storage file is uploaded to block chain network and stored by file management interface；The current check code of identification file is read from block chain network, and determines that file to be identified is not tampered with when current check code is identical as corresponding initial check code.Block chain network can not innovatively be distorted and store ingenious combine with the distributed document of document storage system by the present invention, realize the distributed storage of file, and it can be accurate firm when file is tampered, and increase that its performance is unaffected with access user, realize the function of block chain network storage file.
Description
Technical field
The present invention relates to block chain technical field more particularly to a kind of file storage identification method based on block chain, it is
System, medium and device.
Background technique
Block chain is the novel of the computer technologies such as Distributed Storage, point-to-point transmission, common recognition mechanism, Encryption Algorithm
Application model, it is related to container technique, memory technology, encryption technology, the P2P communication technology, PKI technology, common recognition algorithm etc., this
The threshold of enterprise's admission is increased to a certain extent.Block chain has many good qualities, such as decentralization, distributed storage, nothing
Method is distorted and content-encrypt etc., but can not be stored in file in block chain network, this drawback also limits related block
The landing existing scheme of chain project is everybody will to be supplied to access in the file system for being stored in a centralization in file set, due to
File is centralization storage, and file has the risk being tampered, can not verify the true and false of file, and with the increasing of the number of visiting people
Add its performance also lower and lower, and the thought of this and block chain decentralization is intended to violate.
Summary of the invention
The technical problem to be solved by the present invention is to solve the above shortcomings of the prior art and to provide a kind of based on block chain
File stores identification method, system, medium and device.
The technical scheme to solve the above technical problems is that a kind of file based on block chain stores identification side
Method includes the following steps:
Step 1: creation distributed document storage network and block chain network, and deployment file management interface；
Step 2: the file management interface storage file simultaneously obtains its file attribute information, and the storage is literary
Part is uploaded to the distributed document storage network storage, and receives the distributed document storage network when uploading successfully and return
The corresponding initial check code of the storage file returned；
Step 3: the file management interface will be on the corresponding initial check code of the storage file and file attribute information
It reaches the block chain network and stores；
Step 4: from the block chain network read identification file current check code, and the current check code with
The corresponding initial check code of identification file determines that the file to be identified is not tampered with when identical, has otherwise determined file to be identified
It is tampered.
The beneficial effects of the present invention are: the file storage and identification method of the invention based on block chain, passes through creation point
Cloth file stores network and block chain network, and the storage file of file management interface is uploaded to the distributed text
Part stores network storage, while the initial check code that distributed document storage network returns is uploaded to the block chain network simultaneously
Storage, innovatively by block chain network can not distort with the distributed document of document storage system storage it is ingenious combine,
The distributed storage of file is realized, and can be accurate firm when file is tampered, and increases its property with access user
Can be unaffected, realize the function of block chain network storage file.
Based on the above technical solution, the present invention can also be improved as follows:
Further, the distributed document storage network returns to the initial check code and specifically includes in the step 2:
The storage file is divided into multiple blocks of files, and corresponding using each blocks of files of Encryption Algorithm calculating
Initial check code；
The storage is calculated using Encryption Algorithm by the initial check code composite characters string of all blocks of files, and again
The corresponding initial check code of file；
The initial check code is back to the file management interface.
The beneficial effect of above-mentioned further scheme is: by the way that the storage file is divided into multiple blocks of files, Ke Yifang
Just piecemeal storage is carried out, reduces the requirement to memory space, and only need to re-download damage in the damage of partial document block
Blocks of files, without all downloading, while for each blocks of files carry out cryptographic calculation obtain corresponding check code, in this way
It can be convenient the subsequent accurate firm blocks of files being tampered out, it is very convenient.It ensure that the safety of file.
Further, the storage file is uploaded to the distributed document by the file management interface in the step 2
After storing network, if not receiving the initial verification that the distributed document storage network returns within the set time
The storage file is then uploaded to the distributed document again and stores network, deposited until receiving the distributed document by code
The initial check code that network returns is stored up, and determines that the storage file uploads successfully.
The beneficial effect of above-mentioned further scheme is: can storage file more smoothly be uploaded through the above way
Network is stored to the distributed document, and upload successfully mark can be used as by initial check code, while can make
The judgment basis whether being tampered for storage file.
Further, when storing when the file that the distributed document stores in network is tampered, the distributed document
Storage network updates corresponding current check code according to the file after being tampered and is back to the file management interface；
Updated current check code is uploaded to the block chain network and corresponding storage by the file management interface.
The beneficial effect of above-mentioned further scheme is: being tampered by storing the file in network in the distributed document
The corresponding current check code of Shi Gengxin, and it is uploaded to the block chain network, it in this way can be by by initial check code and currently
Check code is compared, if the two is identical, this determines that file is not tampered with, and otherwise determines that file is tampered with, very convenient,
Accurately.
The file storage and identification systems that the present invention also provides a kind of based on block chain, comprising:
Deployment module is created, for creating distributed document storage network and block chain network；
Document management module for deployment file management interface and receives storage file and is uploaded to the distributed document
Store network storage, and receive when uploading successfully the distributed document store network return the storage file it is corresponding
Initial check code；It is also used to the corresponding initial check code of the storage file and file attribute information being uploaded to the block chain
Network simultaneously stores；
Module is identified, for reading the current check code of identification file from the block chain network, and described current
Check code initial check code corresponding with identification file determines that the file to be identified is not tampered with when identical, otherwise determines wait reflect
Determine file to be tampered.
File based on block chain of the invention stores and identification systems, passes through creation distributed document and stores network and area
Block chain network, and the storage file of file management interface is uploaded to the distributed document and stores network storage, simultaneously
The initial check code that distributed document storage network returns is uploaded to the block chain network and is stored, innovatively by block
Chain network can not distort with the distributed document of document storage system storage it is ingenious combine, the distribution for realizing file is deposited
Storage, and can be accurate firm when file is tampered, and with access user to increase its performance unaffected, realize block
The function of chain network storage file.
Based on the above technical solution, the present invention can also be improved as follows:
Further, the distributed document storage network specifically includes:
Encryption submodule is divided, for the storage file to be divided into multiple blocks of files, and is calculated using Encryption Algorithm
The corresponding initial check code of each blocks of files；
Synthesis encryption submodule, for by the initial check code composite characters string of all blocks of files, and uses again
Encryption Algorithm calculates the corresponding initial check code of the storage file；
Submodule is returned to, for the initial check code to be back to the file management interface.
The beneficial effect of above-mentioned further scheme is: by the way that the storage file is divided into multiple blocks of files, Ke Yifang
Just piecemeal storage is carried out, reduces the requirement to memory space, and only need to re-download damage in the damage of partial document block
Blocks of files, without all downloading, while for each blocks of files carry out cryptographic calculation obtain corresponding check code, in this way
It can be convenient the subsequent accurate firm blocks of files being tampered out, it is very convenient.It ensure that the safety of file.
It is returned further, the document management module does not receive the distributed document storage network within the set time
The storage file is then uploaded to the distributed document again and stores network, until receiving by the initial check code returned
The initial check code that the distributed document storage network returns, and determine that the storage file uploads successfully.
The beneficial effect of above-mentioned further scheme is: can storage file more smoothly be uploaded through the above way
Network is stored to the distributed document, and upload successfully mark can be used as by initial check code, while can make
The judgment basis whether being tampered for storage file.
Further, the distributed document storage network is also used to:
When storing when the file that the distributed document stores in network is tampered, updated according to the file after being tampered
Corresponding current check code is simultaneously back to the file management interface；
The document management module is also used to:
Updated current check code is uploaded to the block chain network and corresponding storage.
The beneficial effect of above-mentioned further scheme is: being tampered by storing the file in network in the distributed document
The corresponding current check code of Shi Gengxin, and it is uploaded to the block chain network, it in this way can be by by initial check code and currently
Check code is compared, if the two is identical, this determines that file is not tampered with, and otherwise determines that file is tampered with, very convenient,
Accurately.
The present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the computer
When program is executed by processor, the method that the file based on block chain is stored and identified is realized.
The device of the file storage and identification that the present invention also provides a kind of based on block chain, including memory, processor with
And the computer program that can be run in the memory and on the processor is stored, the processor executes the calculating
The method and step of the file storage and identification based on block chain is realized when machine program.
Detailed description of the invention
Fig. 1 is that the file based on block chain of one embodiment of the invention stores identification method flow diagram；
Fig. 2 is that the file based on block chain of one embodiment of the invention stores identification systems module frame chart.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figure 1, the file based on block chain stores identification in one or more embodiment provided by the invention
Method includes the following steps:
Step 1: creation distributed document storage network and block chain network, and deployment file management interface；
Step 2: the file management interface storage file simultaneously obtains its file attribute information, and the storage is literary
Part is uploaded to the distributed document storage network storage, and receives the distributed document storage network when uploading successfully and return
The corresponding initial check code of the storage file returned；
Step 3: the file management interface will be on the corresponding initial check code of the storage file and file attribute information
It reaches the block chain network and stores；
Step 4: from the block chain network read identification file current check code, and the current check code with
The corresponding initial check code of identification file determines that the file to be identified is not tampered with when identical, has otherwise determined file to be identified
It is tampered.
File based on block chain of the invention stores and identification method, passes through creation distributed document and stores network and area
Block chain network, and the storage file of file management interface is uploaded to the distributed document and stores network storage, simultaneously
The initial check code that distributed document storage network returns is uploaded to the block chain network and is stored, innovatively by block
Chain network can not distort with the distributed document of document storage system storage it is ingenious combine, the distribution for realizing file is deposited
Storage, and can be accurate firm when file is tampered, and with access user to increase its performance unaffected, realize block
The function of chain network storage file.
In one or more embodiments of the present invention, in the step 1, creation distributed document first stores network
IPFS and block chain network Fabric, deployment file management interface, file management interface is used to upload and download file, distributed
File stores network IPFS and is used to the storage file that storage file management interface uploads, and carries out encryption to storage file and generate just
Beginning check code, block chain network Fabric are used to the initial check code for the storage file that storage file management interface uploads.
In addition, the file attribute information generally includes file size, uploader, uplink time and file in the present invention
The information such as title.
In one or more embodiments provided by the invention, in the step 2, the distributed document storage network is returned
The initial check code is returned to specifically include:
The storage file is divided into multiple blocks of files, and corresponding using each blocks of files of Encryption Algorithm calculating
Initial check code；
The storage is calculated using Encryption Algorithm by the initial check code composite characters string of all blocks of files, and again
The corresponding initial check code of file；
The initial check code is back to the file management interface.
By the way that the storage file is divided into multiple blocks of files, it can be convenient and carry out piecemeal storage, reduce empty to storage
Between requirement, and only need to re-download the blocks of files of damage in the damage of partial document block, without all downloadings, together
When carry out cryptographic calculation for each blocks of files and obtain corresponding check code, can be convenient subsequent accurate firm to go out to be tampered in this way
Blocks of files, it is very convenient.It ensure that the safety of file.
Specifically, it in the embodiment of the present invention, after the storage file is divided into multiple blocks of files, is calculated using Hash
Method encrypts each blocks of files, and obtained cryptographic Hash is as the corresponding check code of each blocks of files, then by each file
The corresponding cryptographic Hash composite characters string of block, and encrypted again using hash algorithm, obtained cryptographic Hash is as entire storage
The corresponding initial check code of file, and it is back to file management interface, such file management interface can be by storage file pair
The initial check code answered is uploaded to block chain network Fabric and stores.
In one or more embodiments provided by the invention, in the step 2, the file management interface is deposited described
After storage file is uploaded to the distributed document storage network, if not receiving the distributed document within the set time
The initial check code that network returns is stored, then the storage file is uploaded to the distributed document again and stores net
Network until receiving the initial check code that the distributed document storage network returns, and determines that the storage file uploads
Success.
Storage file can be made more smoothly to be uploaded to the distributed document storage network through the above way, and
And upload successfully mark can be used as by initial check code, can simultaneously serve as judgement that whether storage file is tampered according to
According to.
It should be pointed out that distributed document storage network is when storing storage file, if wherein some or
The several blocks of files damages of person are lost, and the file management interface is not necessarily to all upload entire storage file again, are only needed
Corresponding damage or the blocks of files lost upload again, the efficiency of file upload is substantially increased.
In one or more embodiments provided by the invention, when the text being stored in the distributed document storage network
When part is tampered, the distributed document storage network updates corresponding current check code according to the file after being tampered and returns
To the file management interface；
Updated current check code is uploaded to the block chain network and corresponding storage by the file management interface.
Corresponding current check code is updated when being tampered by the file stored in network in the distributed document, and on
Reach the block chain network, in this way can by the way that initial check code and current check code are compared, if the two is identical,
This determines that file is not tampered with, and otherwise determines that file is tampered with, very convenient, accurate.
Since the file cryptographic Hash and distributed document that upload on block chain network fabric store on network ipfs
File is that one-to-one relationship can identify file, if file content after file uploads using these characteristics
Also being changed its corresponding check code can also change.
The characteristic that this programme can not be distorted using block chain network, in conjunction with the distributed storage of distributed document storage network
Feature, by block chain network and distributed document storage network be cleverly combined together, based on interface function (such as
Frabric sdk and ipfs api) file management interface is developed, the function that block chain stores various files is realized, is solved
Block chain can not storage file the problem of, there are data to disclose, effectively identification file is distorted；Private good, source electronic document
Available effective protection.
As shown in Fig. 2, the file storage that the present invention also provides a kind of based on block chain and identification systems, comprising:
Deployment module is created, for creating distributed document storage network and block chain network；
Document management module for deployment file management interface and receives storage file and is uploaded to the distributed document
Store network storage, and receive when uploading successfully the distributed document store network return the storage file it is corresponding
Initial check code；It is also used to the corresponding initial check code of the storage file and file attribute information being uploaded to the block chain
Network simultaneously stores；
Module is identified, for reading the current check code of identification file from the block chain network, and described current
Check code initial check code corresponding with identification file determines that the file to be identified is not tampered with when identical, otherwise determines wait reflect
Determine file to be tampered.
File based on block chain of the invention stores and identification systems, passes through creation distributed document and stores network and area
Block chain network, and the storage file of file management interface is uploaded to the distributed document and stores network storage, simultaneously
The initial check code that distributed document storage network returns is uploaded to the block chain network and is stored, innovatively by block
Chain network can not distort with the distributed document of document storage system storage it is ingenious combine, the distribution for realizing file is deposited
Storage, and can be accurate firm when file is tampered, and with access user to increase its performance unaffected, realize block
The function of chain network storage file.
In one or more embodiments provided by the invention, the distributed document storage network is specifically included:
Encryption submodule is divided, for the storage file to be divided into multiple blocks of files, and is calculated using Encryption Algorithm
The corresponding initial check code of each blocks of files；
Synthesis encryption submodule, for by the initial check code composite characters string of all blocks of files, and uses again
Encryption Algorithm calculates the corresponding initial check code of the storage file；
Submodule is returned to, for the initial check code to be back to the file management interface.
By the way that the storage file is divided into multiple blocks of files, it can be convenient and carry out piecemeal storage, reduce empty to storage
Between requirement, and only need to re-download the blocks of files of damage in the damage of partial document block, without all downloadings, together
When carry out cryptographic calculation for each blocks of files and obtain corresponding check code, can be convenient subsequent accurate firm to go out to be tampered in this way
Blocks of files, it is very convenient.It ensure that the safety of file.
In one or more embodiments provided by the invention, the document management module is not received within the set time
The initial check code returned to distributed document storage network, then be uploaded to described point for the storage file again
Cloth file stores network, until receiving the initial check code that the distributed document storage network returns, and determines institute
Storage file is stated to upload successfully.
Storage file can be made more smoothly to be uploaded to the distributed document storage network through the above way, and
And upload successfully mark can be used as by initial check code, can simultaneously serve as judgement that whether storage file is tampered according to
According to.
In one or more embodiments provided by the invention, the distributed document storage network is also used to:
When storing when the file that the distributed document stores in network is tampered, updated according to the file after being tampered
Corresponding current check code is simultaneously back to the file management interface；
The document management module is also used to:
Updated current check code is uploaded to the block chain network and corresponding storage.
Corresponding current check code is updated when being tampered by the file stored in network in the distributed document, and on
Reach the block chain network, in this way can by the way that initial check code and current check code are compared, if the two is identical,
This determines that file is not tampered with, and otherwise determines that file is tampered with, very convenient, accurate.
The present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, the computer
When program is executed by processor, the method that the file based on block chain is stored and identified is realized.
The device of the file storage and identification that the present invention also provides a kind of based on block chain, including memory, processor with
And the computer program that can be run in the memory and on the processor is stored, the processor executes the calculating
The method and step of the file storage and identification based on block chain is realized when machine program.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of file storage and identification method based on block chain, which comprises the steps of:
Step 1: creation distributed document storage network and block chain network, and deployment file management interface；
Step 2: the file management interface storage file simultaneously obtains its file attribute information, and will be in the storage file
The distributed document storage network storage is reached, and receives what the distributed document storage network returned when uploading successfully
The corresponding initial check code of the storage file；
Step 3: the corresponding initial check code of the storage file and file attribute information are uploaded to by the file management interface
The block chain network simultaneously stores；
Step 4: the current check code of identification file is read from the block chain network, and in the current check code and identification
The corresponding initial check code of file determines that the file to be identified is not tampered with when identical, otherwise determines that file to be identified is usurped
Change.
2. the file storage and identification method according to claim 1 based on block chain, which is characterized in that the step 2
In, the distributed document storage network returns to the initial check code and specifically includes:
The storage file is divided into multiple blocks of files, and corresponding initial using each blocks of files of Encryption Algorithm calculating
Check code；
The storage file is calculated using Encryption Algorithm by the initial check code composite characters string of all blocks of files, and again
Corresponding initial check code；
The initial check code is back to the file management interface.
3. the file storage and identification method according to claim 1 based on block chain, which is characterized in that the step 2
In, after the storage file is uploaded to the distributed document storage network by the file management interface, if in setting
The initial check code that the distributed document storage network returns is not received in time, then again by the storage file
It is uploaded to the distributed document storage network, until receiving the initial verification that the distributed document storage network returns
Code, and determine that the storage file uploads successfully.
4. the file storage and identification method according to any one of claims 1 to 3 based on block chain, which is characterized in that
When storing the file in distributed document storage network and being tampered, distributed document storage network is according to being usurped
File after changing updates corresponding current check code and is back to the file management interface；
Updated current check code is uploaded to the block chain network and corresponding storage by the file management interface.
5. a kind of file storage and identification systems based on block chain characterized by comprising
Deployment module is created, for creating distributed document storage network and block chain network；
Document management module for deployment file management interface and receives storage file and is uploaded to the distributed document storage
Network storage, and it is corresponding initial to receive when uploading successfully the storage file that the distributed document storage network returns
Check code；It is also used to the corresponding initial check code of the storage file and file attribute information being uploaded to the block chain network
And it stores；
Module is identified, for reading the current check code of identification file from the block chain network, and in the current verification
Code determines that the file to be identified is not tampered with when identical as the corresponding initial check code of file is identified, otherwise determines text to be identified
Part has been tampered.
6. the file storage and identification systems according to claim 5 based on block chain, which is characterized in that the distribution
File storage network specifically includes:
Encryption submodule is divided, for the storage file to be divided into multiple blocks of files, and is calculated each using Encryption Algorithm
The corresponding initial check code of the blocks of files；
Synthesis encryption submodule, for use to encrypt by the initial check code composite characters string of all blocks of files, and again
Algorithm calculates the corresponding initial check code of the storage file；
Submodule is returned to, for the initial check code to be back to the file management interface.
7. the file storage and identification systems according to claim 5 based on block chain, which is characterized in that the file pipe
Reason module does not receive the initial check code that the distributed document storage network returns within the set time, then again
The storage file is uploaded to the distributed document storage network, is returned until receiving the distributed document storage network
The initial check code, and determine that the storage file uploads successfully.
8. according to the described in any item file storages and identification systems based on block chain of claim 5 to 7, which is characterized in that
The distributed document storage network is also used to:
When storing when the file that the distributed document stores in network is tampered, is updated and corresponded to according to the file after being tampered
Current check code and be back to the file management interface；
The document management module is also used to:
Updated current check code is uploaded to the block chain network and corresponding storage.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
When processor executes, the method that the described in any item files based on block chain of Claims 1-4 are stored and identified is realized.
10. it is a kind of based on block chain file storage and identification device, which is characterized in that including memory, processor and
The computer program that can be run in the memory and on the processor is stored, the processor executes the computer
The method and step such as described in any item the file storages and identification based on block chain of Claims 1-4 is realized when program.
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|---|---|---|---|---|
| CN110753105A (en) * | 2019-10-17 | 2020-02-04 | 中国建设银行股份有限公司 | Data transmission method, device, system, electronic equipment and storage medium |
| CN113312326A (en) * | 2020-02-26 | 2021-08-27 | 伊姆西Ip控股有限责任公司 | Method, electronic device and computer program product for storage management |
| US11947427B2 (en) | 2020-02-26 | 2024-04-02 | EMC IP Holding Company LLC | Method, electronic device, and computer program product for storage management using blockchain |
| CN113312326B (en) * | 2020-02-26 | 2024-04-16 | 伊姆西Ip控股有限责任公司 | Method, electronic device and computer program product for storage management |
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