CN109033475A - A kind of file memory method, device, equipment and storage medium - Google Patents
A kind of file memory method, device, equipment and storage medium Download PDFInfo
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
- G06F21/6272—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 by registering files or documents with a third party
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Abstract
A kind of file memory method, device, equipment and storage medium provided in an embodiment of the present invention belong to block chain field.This method includes obtaining file to be stored in the address of transfer server；The file to be stored is synchronized to block chained file server node from the transfer server according to the address；The file to be stored is pre-processed, signed data is generated；The signed data is subjected to cochain storage, and completes common recognition between back end；The file to be stored is subjected to common recognition and synchronization process in All Files node, and is returned for characterizing the successful successful information of file to be stored cochain.Real estate business datum is subjected to cochain to realize, to guarantee that file will not be lost in outside, the safety of file storage can be effectively improved, to solve technical problem of the existing technology.
Description
Technical field
The present invention relates to block chain fields, are situated between in particular to a kind of file memory method, device, equipment and storage
Matter.
Background technique
Since real estate data are related to a large amount of picture and file data (contract, business handling table scan part, schema mapping
Paper, business handling attachment scanned copy), and if these data are known together by block chain, will lead to block chain have it is following several
A problem:
A. single block file is excessive, influences efficiency；
B. block chain node data speed of expansion is too fast；
However, traditional method is not store big file/picture on block chain at present, it is stored in operation layer, by file
Hash value storage cochain carry out depositing card, but will lead to file in external loss, enough protections can not be provided；And lack
When business handling, verification to file has only been done and has deposited card, it was demonstrated that picture normally repairs process by distorting and lacking
The credentials file modification record tracking change, replaced.
Summary of the invention
A kind of file memory method, device, equipment and storage medium provided in an embodiment of the present invention, can solve existing skill
The technical issues of existing file loss in art can not reinforce the protection to file.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, a kind of file memory method provided in an embodiment of the present invention, comprising: obtain file to be stored in transfer
The address of server；The file to be stored is synchronized to block chained file service from the transfer server according to the address
Device node；The file to be stored is pre-processed, signed data is generated；The signed data is subjected to cochain storage, and
Common recognition is completed between back end；The file to be stored is subjected to common recognition and synchronization process in All Files node, and is returned
For characterizing the successful successful information of file to be stored cochain.
With reference to first aspect, described the embodiment of the invention provides the first possible embodiment of first aspect
File to be stored is obtained in the address of transfer server, comprising: by calling preset interface function, obtain file to be stored in
Turn the address in server, at least one described file to be stored is stored in the transfer server.
With reference to first aspect, described the embodiment of the invention provides second of possible embodiment of first aspect
The file to be stored is pre-processed, generates signed data, comprising: the file to be stored is formatted and pressed
Contracting processing generates file characteristic value and links with file access；Generation is linked with the file access according to the file characteristic value
Signed data.
With reference to first aspect, the embodiment of the invention provides the third possible embodiment of first aspect, by institute
It states file to be stored and carries out common recognition and synchronization process in All Files node, and return for characterizing the file to be stored cochain
After successful successful information, further includes: obtain the contract data of business handling according to the successful information；Parse the contract
Data obtain the file access link；Determine the corresponding file of the file access link；By the file after decompression
It stores to the transfer server, generates outside access link, to pass through outside access link and business handling data
Jointly in external publicity.
The third possible embodiment with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, before determining the corresponding file of the file access link, further includes: according to the contract data
Determine the signed data, authority information and the file characteristic value；Obtain the signed data, authority information and described
The corresponding verification information of file characteristic value；If the verification information meets preset requirement, it is determined that the file access links institute
Corresponding file.
Second aspect, a kind of file storage device provided in an embodiment of the present invention, comprising: acquiring unit, for obtain to
Storage file is in the address of transfer server；Synchronization unit, for according to the address by the file to be stored from described
Turn server sync to block chained file server node；First data processing unit, for being carried out to the file to be stored
Pretreatment generates signed data；Second data processing unit, for the signed data to be carried out cochain storage, and in data
Common recognition is completed between node；Third data processing unit, for by the file to be stored All Files node carry out common recognition with
Synchronization process, and return for characterizing the successful successful information of file to be stored cochain.
With reference to first aspect, described to obtain the embodiment of the invention provides the 4th kind of possible embodiment of first aspect
It takes unit to be also used to: by calling preset interface function, obtaining address of the file to be stored in transfer server, the transfer
At least one described file to be stored is stored in server.
The third possible embodiment with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, first data processing unit are also used to: the file to be stored is formatted and compressed
Processing generates file characteristic value and links with file access；Generation label are linked according to the file characteristic value and the file access
Name data.
The third aspect, a kind of terminal device provided in an embodiment of the present invention, comprising: memory, processor and be stored in
In the memory and the computer program that can run on the processor, when the processor executes the computer program
It realizes as described in any one of first aspect the step of file memory method.
Fourth aspect, a kind of storage medium provided in an embodiment of the present invention are stored with instruction on the storage medium, work as institute
Instruction is stated when running on computers, so that the computer executes such as the described in any item file memory methods of first aspect.
Compared with prior art, the embodiment of the present invention bring it is following the utility model has the advantages that
File memory method, device, equipment and storage medium provided in an embodiment of the present invention, by obtaining file to be stored
In the address of transfer server；The file to be stored is synchronized to block chain text from the transfer server according to the address
Part server node；The file to be stored is pre-processed, signed data is generated；Signed data progress cochain is deposited
Storage, and common recognition is completed between back end；The file to be stored is subjected to common recognition and synchronization process in All Files node, and
It returns for characterizing the successful successful information of file to be stored cochain.Real estate business datum is carried out to realize
Chain can effectively improve the safety of file storage, to solve the prior art to guarantee that file will not be lost in outside
?.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the flow chart for the file memory method that first embodiment of the invention provides；
Network topology schematic diagram in Fig. 2 file memory method shown in FIG. 1；
Fig. 3 is the functional block diagram for the file storage device that second embodiment of the invention provides；
Fig. 4 is a kind of schematic diagram for terminal device that third embodiment of the invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.Therefore,
The model of claimed invention is not intended to limit to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
It encloses, but is merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Referring to Fig. 1, being the flow chart for the file memory method that first embodiment of the invention provides.It below will be to Fig. 1 institute
The detailed process shown is described in detail.
Step S101 obtains file to be stored in the address of transfer server.
In the present embodiment, at least one described file to be stored is stored in the transfer server.
Optionally, the file to be stored can be real estate data.Wherein, real estate data include a large amount of picture and
File data (for example, contract, business handling table scan part, mapping drawing, business handling attachment scanned copy).
As shown in Fig. 2, in actual use, generally real estate data (i.e. file to be stored) is passed through by Intranet preposition
Server uploads to file transfer server.
As an implementation, step S101 includes: to obtain file to be stored in by calling preset interface function
Turn the address in server, at least one described file to be stored is stored in the transfer server.
Optionally, preset interface function is block chain interface (such as transfer registration), include in the interface required file (i.e.
File to be stored) address in transfer server.
The file to be stored is synchronized to block chained file from the transfer server according to the address by step S102
Server node.
Wherein, block chained file server node is block chain server.
In the present embodiment, block chain server will be in transfer server according to the corresponding address of each file to be stored
File to be stored synchronizes, to be synchronized in the block chain server.
It wherein, include block chain back end and block chained file node, block chain back end in block chain server
For the function similar with traditional block chain, common recognition, the storage, verification of block chain data are carried out.Block chained file node is used
In the storage of block chain picture, file, and the access service of the characteristic value of calculation document and offer file, such as user pass through
Visiting from outside is stored in the service of the file in block chain server.
Step S103 pre-processes the file to be stored, generates signed data.
As an implementation, step S103 includes: to format to the file to be stored and compression processing,
File characteristic value is generated to link with file access；It is linked according to the file characteristic value with the file access and generates number of signature
According to.
Optionally, it is compressed again after file to be stored being converted to preset format, obtains file characteristic value and file is visited
Ask link.
Wherein, file characteristic value is the fingerprint of file, usually MD5 (the Message-Digest of file
Algorithm5, Message Digest Algorithm 5) value.
File access link is for for the inter access file to be stored, i.e. user can be accessed by this document and is linked at
The file to be stored is accessed in Intranet.Wherein, popular the saying of Intranet is exactly local area network, and popular the saying of outer net is exactly and internet phase
Logical WAN wide area network or the metropolitan area MAN network.
In actual use, it can generally be signed by MD5, to generate signed data.
It certainly, can also be using other algorithms to the file characteristic value and the file access chain in practice
Capable signature is tapped into, signed data is generated, for example, other algorithms may be, but not limited to, CRC (Cyclic Redundancy
Check, cyclic redundancy check) algorithm, SHA (Secure Hash Algorithm, secure hash algorithm) or RIPEMD (RACE
Integrity Primitives Evaluation Message Digest, RACE raw integrity verification message abstract) it calculates
Method etc..
The signed data is carried out cochain storage, and completes common recognition between back end by step S104.
In actual use, block chain common recognition mainly passes through: transaction is initiated；By P2P agreement, broadcasted；Each section
Point confirms transaction；After trade confirmation is completed, start that block chain is written；The result of write-in is synchronized；It returns and hands over
Easy result.
The file to be stored is carried out common recognition and synchronization process in All Files node, and returns and be used for by step S105
Characterize the successful successful information of file to be stored cochain.
In the present embodiment, by the way that block chain, file synchronization to all file server (texts is written in file characteristic value
Part node), with realize the common recognition of file with it is synchronous.
In general, file section point, which carries out common recognition, to be written by file, calculation document characteristic value；By P2P agreement, carry out
Broadcast；Each node confirms the information of file；After confirmation finishes, characteristic value is written；The result of write-in is carried out same
Step, file is synchronized；Return file write-in result (i.e. return for characterize the file to be stored cochain successfully at
Function information).
In the present embodiment, successful information includes depositing card address, deposits card address and is used for during data publicity or display
It uses, referring in particular to as follows.
In a possible embodiment, after step S105, this document storage method further include:
The contract data of business handling is obtained according to the successful information；The contract data is parsed, the file is obtained
Access link；Determine the corresponding file of the file access link；The file after decompression is stored to the transfer and is taken
It is engaged on device, generates outside access link, to be linked with business handling data by the outside access jointly in external publicity.
Optionally, before determining the corresponding file of the file access link, further includes: according to the contract data
Determine the signed data, authority information and the file characteristic value；Obtain the signed data, authority information and described
The corresponding verification information of file characteristic value；If the verification information meets preset requirement, it is determined that the file access links institute
Corresponding file.
Wherein, contract data refers to that the praedial transaction (transfer registration etc.) of single is deposited in the form of intelligent contract
Storage, different according to the business handled, the specific field of contract also makes a big difference, and includes at least inside contract following several big
The information of class, by taking transfer registration as an example: the contract data of transfer registration includes: the stream of transfer registration two-sided information, transfer registration
Journey approval information, the tax information of transfer registration, the credit information of transfer registration, transfer registration net label information, other with turn
It moves and registers related information.
In the present embodiment, by signature verification information, authority information and file characteristic value information, to be done in business
When reason, the progress of file is effectively verified, and then effectively increase the safety of storage, effectively file is avoided to be tampered, and
And the normal credentials file modification record modified, replaced can also be tracked, further increase the safety of file storage.
File memory method provided in an embodiment of the present invention, by obtaining file to be stored in the address of transfer server；
The file to be stored is synchronized to block chained file server node from the transfer server according to the address；To described
File to be stored is pre-processed, and signed data is generated；The signed data is subjected to cochain storage, and complete between back end
At common recognition；The file to be stored is subjected to common recognition and synchronization process in All Files node, and return for characterize it is described to
The successful successful information of storage file cochain.Real estate business datum is subjected to cochain to realize, to guarantee that file will not
It is lost in outside, the safety of file storage can be effectively improved, to solve technical problem of the existing technology.
Second embodiment
Corresponding to the file memory method in first embodiment, Fig. 3 is shown to be deposited using file shown in first embodiment
The one-to-one file storage device of method for storing.As shown in figure 3, the file storage device 400 include acquiring unit 410, it is same
Walk unit 420, the first data processing unit 430, the second data processing unit 440 and third data processing unit 450.Wherein,
Acquiring unit 410, synchronization unit 420, the first data processing unit 430, the second data processing unit 440 and third data processing
The realization function of unit 450 is gathered with step corresponding in first embodiment to be corresponded, and to avoid repeating, the present embodiment is not detailed one by one
It states.
Acquiring unit 410, for obtaining file to be stored in the address of transfer server.
Optionally, the acquiring unit 410 is also used to: by calling preset interface function, obtaining file to be stored in
Turn the address in server, at least one described file to be stored is stored in the transfer server.
Synchronization unit 420, for the file to be stored to be synchronized to area from the transfer server according to the address
Block chained file server node.
First data processing unit 430 generates signed data for pre-processing to the file to be stored.
Optionally, first data processing unit 430 is also used to: the file to be stored is formatted and pressed
Contracting processing generates file characteristic value and links with file access；Generation is linked with the file access according to the file characteristic value
Signed data.
Second data processing unit 440 for the signed data to be carried out cochain storage, and is completed between back end
Common recognition.
Third data processing unit 450, for by the file to be stored All Files node known together with it is synchronous
Processing, and return for characterizing the successful successful information of file to be stored cochain.
Optionally, after third data processing unit 450, file storage device 400 further include: display unit；
Display unit is used for: the contract data of business handling is obtained according to the successful information；The contract data is parsed,
Obtain the file access link；Determine the corresponding file of the file access link；By the file storage after decompression
On to the transfer server, outside access link is generated, it is common with business handling data to be linked by the outside access
In external publicity.
Optionally, before determining the corresponding file of the file access link, further includes: according to the contract data
Determine the signed data, authority information and the file characteristic value；Obtain the signed data, authority information and described
The corresponding verification information of file characteristic value；If the verification information meets preset requirement, it is determined that the file access links institute
Corresponding file.
3rd embodiment
As shown in figure 4, being the schematic diagram of terminal device 300.The terminal device 300 includes memory 302, processor
304, the computer program 303 that can be run in the memory 302 and on the processor 304, the computer are stored in
The file memory method in first embodiment is realized when program 303 is executed by processor 304, to avoid repeating, herein not
It repeats again.Alternatively, realizing file storage device described in second embodiment when the computer program 303 is executed by processor 304
In each model/unit function, to avoid repeating, details are not described herein again.
Illustratively, computer program 303 can be divided into one or more module/units, one or more mould
Block/unit is stored in memory 302, and is executed by processor 304, to complete the present invention.One or more module/units
It can be the series of computation machine program instruction section that can complete specific function, the instruction segment is for describing computer program 303
Implementation procedure in terminal device 300.For example, computer program 303 can be divided into the acquisition list in second embodiment
Member 410, synchronization unit 420, the first data processing unit 430, the second data processing unit 440 and third data processing unit
450, the concrete function of each unit will not repeat them here as described in the first embodiment or the second embodiment.
Terminal device 300 can be desktop PC, notebook, palm PC and cloud server etc. and calculate equipment.
Wherein, memory 302 may be, but not limited to, random access memory (Random Access Memory,
RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable Read-
Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only Memory,
EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only Memory,
EEPROM) etc..Wherein, memory 302 is for storing program, and the processor 304 executes institute after receiving and executing instruction
Program is stated, the method for the flow definition that aforementioned any embodiment of the embodiment of the present invention discloses can be applied in processor 304,
Or it is realized by processor 304.
Processor 304 may be a kind of IC chip, the processing capacity with signal.Above-mentioned processor 304 can
To be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit
(Network Processor, NP) etc.；Can also be digital signal processor (Digital Signal Processor,
DSP), specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate
Array (Field-Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or crystalline substance
Body pipe logical device, discrete hardware components.May be implemented or execute disclosed each method in the embodiment of the present invention, step and
Logic diagram.General processor can be microprocessor or the processor is also possible to any conventional processor etc..
It is understood that structure shown in Fig. 4 is only a kind of structural schematic diagram of terminal device 300, terminal device 300
It can also include than more or fewer components shown in Fig. 4.Each component shown in Fig. 4 can use hardware, software or its group
It closes and realizes.
Fourth embodiment
The embodiment of the present invention also provides a kind of storage medium, and instruction is stored on the storage medium, when described instruction exists
The file storage side in first embodiment is realized when running on computer, when the computer program is executed by processor
Method, to avoid repeating, details are not described herein again.Alternatively, realizing second embodiment institute when the computer program is executed by processor
The function of each model/unit in file storage device is stated, to avoid repeating, details are not described herein again.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can lead to
Hardware realization is crossed, the mode of necessary general hardware platform can also be added to realize by software, based on this understanding, this hair
Bright technical solution can be embodied in the form of software products, which can store in a non-volatile memories
In medium (can be CD-ROM, USB flash disk, mobile hard disk etc.), including some instructions are used so that computer equipment (can be with
It is personal computer, server or the network equipment etc.) method that executes each implement scene of the present invention.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
Claims (10)
1. a kind of file memory method characterized by comprising
File to be stored is obtained in the address of transfer server；
The file to be stored is synchronized to block chained file server node from the transfer server according to the address；
The file to be stored is pre-processed, signed data is generated；
The signed data is subjected to cochain storage, and completes common recognition between back end；
The file to be stored is subjected to common recognition and synchronization process in All Files node, and is returned described wait store for characterizing
The successful successful information of file cochain.
2. the method according to claim 1, wherein the acquisition file to be stored is on the ground of transfer server
Location, comprising:
By calling preset interface function, address of the file to be stored in transfer server is obtained, in the transfer server
It is stored at least one described file to be stored.
3. being given birth to the method according to claim 1, wherein described pre-process the file to be stored
At signed data, comprising:
The file to be stored is formatted and compression processing, generation file characteristic value are linked with file access；
It is linked according to the file characteristic value with the file access and generates signed data.
4. the method according to claim 1, wherein the file to be stored is carried out in All Files node
Common recognition and synchronization process, and return for after characterizing the successful successful information of file to be stored cochain, further includes:
The contract data of business handling is obtained according to the successful information；
The contract data is parsed, the file access link is obtained；
Determine the corresponding file of the file access link；
The file after decompression is stored to the transfer server, outside access link is generated, to pass through the outside
Access link is with business handling data jointly in external publicity.
5. according to the method described in claim 4, it is characterized in that, determine the corresponding file of file access link it
Before, further includes:
The signed data, authority information and the file characteristic value are determined according to the contract data；
Obtain the signed data, authority information and the corresponding verification information of the file characteristic value；
If the verification information meets preset requirement, it is determined that the corresponding file of the file access link.
6. a kind of file storage device characterized by comprising
Acquiring unit, for obtaining file to be stored in the address of transfer server；
Synchronization unit, for the file to be stored to be synchronized to block chained file from the transfer server according to the address
Server node；
First data processing unit generates signed data for pre-processing to the file to be stored；
Second data processing unit for the signed data to be carried out cochain storage, and completes common recognition between back end；
Third data processing unit, for the file to be stored to be carried out common recognition and synchronization process in All Files node, and
It returns for characterizing the successful successful information of file to be stored cochain.
7. device according to claim 6, which is characterized in that the acquiring unit is also used to:
By calling preset interface function, address of the file to be stored in transfer server is obtained, in the transfer server
It is stored at least one described file to be stored.
8. device according to claim 6, which is characterized in that first data processing unit is also used to:
The file to be stored is formatted and compression processing, generation file characteristic value are linked with file access；
It is linked according to the file characteristic value with the file access and generates signed data.
9. a kind of terminal device, which is characterized in that including processor and memory, the memory is stored with computer-readable
Instruction fetch, when the computer-readable instruction fetch is executed by the processor, operation such as any claim in claim 1-5
The method.
10. a kind of storage medium, which is characterized in that instruction is stored on the storage medium, when described instruction on computers
When operation, so that the computer executes such as file memory method described in any one of claim 1 to 5.
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| CN201811053642.2A CN109033475B (en) | 2018-09-10 | 2018-09-10 | File storage method, device, equipment and storage medium |
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| CN201811053642.2A CN109033475B (en) | 2018-09-10 | 2018-09-10 | File storage method, device, equipment and storage medium |
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| CN110190949A (en) * | 2019-05-31 | 2019-08-30 | 杭州复杂美科技有限公司 | For the method and system of big data quantity resource cochain, equipment and storage medium |
| CN110321730A (en) * | 2019-03-28 | 2019-10-11 | 平安科技（深圳）有限公司 | A kind of method, block chain node and the storage medium of operation data processing |
| CN110336833A (en) * | 2019-07-30 | 2019-10-15 | 中国工商银行股份有限公司 | Image content common recognition method, server based on block chain |
| CN110543510A (en) * | 2019-09-05 | 2019-12-06 | 腾讯科技（深圳）有限公司 | Bill data processing method and device, storage medium and computer equipment |
| 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 |
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