CN109522270A - File storing and reading method, electronic device and readable storage medium storing program for executing based on block chain - Google Patents
File storing and reading method, electronic device and readable storage medium storing program for executing based on block chain Download PDFInfo
- Publication number
- CN109522270A CN109522270A CN201811221035.2A CN201811221035A CN109522270A CN 109522270 A CN109522270 A CN 109522270A CN 201811221035 A CN201811221035 A CN 201811221035A CN 109522270 A CN109522270 A CN 109522270A
- Authority
- CN
- China
- Prior art keywords
- file
- fragment
- block chain
- information
- index information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
Abstract
The invention discloses a kind of file storing and reading method, electronic device and readable storage medium storing program for executing based on block chain, wherein this method comprises: receiving the file upload request of user, wherein carry file to be uploaded in the file upload request；Calculate the document information of the file to be uploaded；Slicing treatment is carried out to the file to be uploaded, obtains multiple fragments；The multiple fragment is uploaded to memory node different in block chain respectively, and records the index information of each fragment；After uploading completion, the index information of each fragment is encrypted, encrypted index information and the document information are committed to the account book node of the block chain.It solves the lower technical problem of existing Information Security during existing data access through the above scheme, has reached effective technical effect for promoting Information Security and confidentiality.
Description
Technical field
The present invention relates to block chain technical fields, and in particular to a kind of file storing and reading method based on block chain, electronics dress
It sets and readable storage medium storing program for executing.
Background technique
With the continuous development of Internet technology, the demand to file storage etc. is also just increasing.It is existing to provide greatly
The method of service of scale document storage system can provide storage medium generally for service provider, while can be on user
The file of biography provides the file access service of network access mode.For file size and storage mode, can be used file fragmentation,
The means such as Directory hash, the preservation of more copies are to guarantee access efficiency and memory reliability.
However, this results in the burst information of user file since file is stored directly in storage service provider side
And bibliography information be to storage service provider it is transparent, storage service provider has the ability to directly acquire original file
Content, it is totally unfavorable to the safety of file and confidentiality in this way.
The file present in the existing document storage system service is perfectly safe and aiming at the problem that secrecy, at present still
It does not put forward effective solutions.
Summary of the invention
The purpose of the present invention is to provide a kind of file storing and reading method, electronic device and readable storage mediums based on block chain
Matter, and then solve the technical issues of safety of file and confidentiality cannot be guaranteed in existing file storing process.
The present invention is to solve above-mentioned technical problem by following technical proposals:
According to an aspect of the invention, there is provided a kind of file storing and reading method based on block chain, includes the following steps:
Receive the file upload request of user, wherein carry file to be uploaded in the file upload request；
Calculate the document information of the file to be uploaded；
Slicing treatment is carried out to the file to be uploaded, obtains multiple fragments；
The multiple fragment is uploaded to memory node different in block chain respectively, and records the index letter of each fragment
Breath；
After uploading and completing, the index information of each fragment is encrypted, by encrypted index information and described
Document information is committed to the account book node of the block chain.
In one embodiment, encrypted index information and the document information are being committed to the block
After the account book node of chain, the method also includes:
Obtain the file read request of user's input, wherein document information is carried in the file read request；
According to the document information, retrieval whether there is the document in the account book node of the block chain
The corresponding file of information；
In the presence of determination, it is corresponding encrypted that the document information is read in the account book node
Index information；
The encrypted index information is decrypted, complete index information is obtained；
According to the complete index information, different memory nodes obtains slicing files from the block chain, and presses
It is assembled that file is completed according to fragment sequence；
The file that splicing is obtained, the read requests as user request the file read.
In one embodiment, after completing file assembly according to fragment sequence, the method also includes:
Obtain the document information carried in the file read request；
Integrity checking is carried out to the file that splicing obtains by the document information；
In the case where integrity checking passes through, determine that obtaining the file read request requests the file read.
In one embodiment, before the file upload request for receiving user, the method also includes:
Receive the cipher key pair information that user is locally generated；
The index information of each fragment is encrypted, comprising:
By the cipher key pair information, the index information of each fragment is encrypted.
In one embodiment, each fragment in the multiple fragment is uploaded to storage section different in block chain
Point, and record the index information of each fragment, comprising:
After each fragment uploads completion, the serial number mark and uploading position of the fragment are recorded；
After all fragments upload completion, the serial number mark and uploading position of all fragments are collected；
The serial number mark and uploading position of obtained all fragments will be collected, the index as the file to be uploaded is believed
Breath.
According to another aspect of the present invention, a kind of electronic device, including memory and processor, the storage are provided
Device deposits read apparatus for storing the file based on block chain that can be executed by the processor, and the file based on block chain is deposited
Read apparatus includes:
Receiving module, for receiving the file upload request of user, wherein carry in the file upload request to upper
Transmitting file；
Computing module, for calculating the document information of the file to be uploaded；
It is sliced module, for carrying out slicing treatment to the file to be uploaded, obtains multiple fragments；
Logging modle for the multiple fragment to be uploaded to memory node different in block chain respectively, and records each
The index information of a fragment；
Module is submitted, for encrypting to the index information of each fragment, by encrypted rope after uploading completion
Fuse breath and the document information are committed to the account book node of the block chain.
In one embodiment, above-mentioned electronic device further include:
First obtains module, for encrypted index information and the document information to be committed to the block
After the account book node of chain, the file read request of user's input is obtained, wherein carry file in the file read request
Summary info；
Retrieval module, for retrieving and whether depositing in the account book node of the block chain according to the document information
In the corresponding file of the document information；
Read module, for reading the document information in the account book node in the presence of determination
Corresponding encrypted index information；
Deciphering module obtains complete index information for the encrypted index information to be decrypted；
Splicing module, for according to the complete index information, different memory nodes to be obtained from the block chain
Slicing files, and file assembly is completed according to fragment sequence；
Generation module, for that will splice obtained file, the read requests as user request the file read.
In one embodiment, above-mentioned electronic device further include:
Second obtains module, for obtaining the file read request after completing file assembly according to fragment sequence
The document information of middle carrying；
Module is checked, for carrying out integrity checking to the file that splicing obtains by the document information；
Determining module, in the case where integrity checking passes through, determining that obtaining the file read request is requested
The file of reading.
According to a further aspect of the invention, a kind of computer equipment is provided, comprising: memory and processor, wherein
The processor is for the step of executing the above method.
According to a further aspect of the invention, a kind of non-volatile computer readable storage medium storing program for executing is provided, is stored thereon
There is computer instruction, described instruction is performed the step of realizing the above method.
The positive effect of the present invention is that: the document information of file to be uploaded is calculated, then to text to be uploaded
Part carries out slicing treatment, obtains multiple fragments, each fragment in the multiple fragment is uploaded to different in block chain deposit
Node is stored up, and records the index information of each fragment, and after uploading completion, the index information of each fragment is added
It is close, encrypted index information and the document information are committed to the account book node of the block chain.That is, to file into
Row slice finds suitable storage point in block chain network node to slice of data, and is indexed update, because of index information
It is encryption, data access private key must be taken in this way and be just able to achieve access to data, the data for realizing decentralization are deposited
It takes, solves the lower technical problem of existing Information Security during existing data access through the above scheme, reach
Effective technical effect for promoting Information Security and confidentiality is arrived.
Detailed description of the invention
Fig. 1 is the method flow diagram of the file storing and reading method according to an embodiment of the present invention based on block chain；
Fig. 2 is the structural block diagram that the file according to an embodiment of the present invention based on block chain deposits read apparatus；
Fig. 3 is another structural block diagram that the file according to an embodiment of the present invention based on block chain deposits read apparatus；
Fig. 4 is a kind of optional hardware structure schematic diagram of electronic device according to an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
In view of existing document storage mode is that file is stored directly in storage service provider side, this results in using
The burst information and bibliography information of family file be to storage service provider it is transparent, storage service provider has the ability straight
It obtains and takes original file content, it is totally unfavorable to the safety of file and confidentiality in this way.If block chain skill can be passed through
File is stored in multiple nodes, and encrypted to index information by art, and index is stored in account book node, then can be with
Promote the privacy of data storage.
For this purpose, providing a kind of file storing and reading method, electronic device and readable storage medium based on block chain in this example
Matter is below specifically described this method and electronic equipment as follows:
Embodiment one
The file storing and reading method provided by the invention based on block chain is illustrated with reference to the accompanying drawing.
Fig. 1 be the present invention is based on a kind of optional flow diagrams of the file storing and reading method of block chain, as shown in Figure 1,
This method may comprise steps of:
Step 101: receiving the file upload request of user, wherein carry text to be uploaded in the file upload request
Part；
Step 102: calculating the document information of the file to be uploaded；
Wherein, this document summary info can include but is not limited to following information: file fingerprint abstract, size, MIME
Type。
Step 103: slicing treatment being carried out to the file to be uploaded, obtains multiple fragments；
Wherein, rule is sliced in Slicing procedure can be and be sliced according to file size, for example, by file to be uploaded
Cutting is that 2M fragment, each fragment are exactly the content of 2M one by one, is also possible to be sliced according to the content of file, for example,
File to be uploaded is classified, a class file is as a fragment.It should be noted, however, that above-mentioned cited slice
Rule is only a kind of exemplary description, when actually realizing, can not be limited with others slice rule, the application this
It is fixed, it can select according to actual needs.As long as the rule that can be divided into multiple fragments to file to be uploaded all can serve as to be sliced
Rule.
Step 104: the multiple fragment being uploaded to memory node different in block chain respectively, and records each fragment
Index information；
When actually realizing, each fragment in the multiple fragment is uploaded to storage section different in block chain
Point, and the index information of each fragment is recorded, it may include: to record the sequence of the fragment after each fragment uploads completion
Number mark and uploading position；After all fragments upload completion, the serial number mark and uploading position of all fragments are collected；It will receive
Collect the serial number mark and uploading position of obtained all fragments, the index information as the file to be uploaded.
Step 105: after uploading completion, the index information of each fragment being encrypted, encrypted index is believed
Breath and the document information are committed to the account book node of the block chain.
Specifically, system can provide client utility, client utility can pass through the fragment index information of file
After user key encryption, as the identification informations such as ciphertext attribute and document information, it is packaged as this document in storage system
In complete index, be committed to block chain account book node, form permanent record.
Based on above-mentioned file memory method, it can be carried out as follows file reading, may include steps of:
S1: the file read request of user's input is obtained, wherein document letter is carried in the file read request
Breath；
S2: according to the document information, retrieval whether there is the file in the account book node of the block chain
The corresponding file of summary info；
S3: in the presence of determination, the corresponding encryption of the document information is read in the account book node
Index information afterwards；
S4: the encrypted index information is decrypted, complete index information is obtained；
S5: according to the complete index information, different memory nodes obtains slicing files from the block chain, and
It is assembled that file is completed according to fragment sequence；
S6: the file that splicing is obtained, the read requests as user request the file read.
It, can be after completing file assembly according to fragment sequence, to file in order to realize the accuracy detection to file
Integrity detection is carried out, it is whether complete to detect obtained file.Specifically, the text carried in available file read request
Part summary info；Integrity checking is carried out to the file that splicing obtains by the document information；Pass through in inspection
In the case of, determine that the read requests for obtaining user request the file read.
When actually realizing, before starting file upload request by block chain network, local generate belongs to user
The cipher key pair information of oneself, the encryption authority of fragment index information when being uploaded as file；.Specifically, the transmitting file on user
When, it can receive the cipher key pair information that user is locally generated；Correspondingly, adding to the index information of each fragment
It is close, it may include: to be encrypted by the cipher key pair information to the index information of each fragment.
The above method is illustrated below with reference to a specific embodiment, it is important to note, however, that the specific implementation
Example does not constitute an undue limitation on the present application merely to better illustrate the application.
In this example, by the way that the secret protection of block chain and characteristic can not be distorted, in conjunction with existing big file storage technology,
A kind of large-scale distributed storage system scheme of update is provided.Specifically, by the burst information and storage catalogue of user file
Hash is in the storage resource of random distribution.Wherein, detailed information is grasped by user, and the basic resources such as storage medium are mentioned by servicing
For quotient provide, thus by large-scale distributed storage service file access control strategy and storage resource ability provide effectively
Separation, basic resource provider collect resource accounting, the fragment and catalogue of file according only to the common store ability of offer
Hash rule is by user's control, and really to realize, user is to the entirely autonomous controllable of file when using third party's storage service.
Specifically, the system is made of storage medium and block chain network, storage medium is provided by different storage service quotient,
Block chain network is responsible for recording the hash storage letter of the file upload record of user and corresponding document burst information and different fragments
Breath.Specifically, may include steps of:
S1: user is local to generate one's own key pair letter before starting file upload request by block chain network
Breath, the encryption authority of fragment index information when being uploaded as file；
S2: the system provides the client utility that file uploads, and in the preparation stage of file upload movement, calculates to be uploaded
The content Hash of file is made a summary as file fingerprint, and records file size, and the file identification informations such as MIMEType are treated later
Upper transmitting file carries out fragment processing operation；
S3: after fragment completion, the selection of all fragments is uploaded to different memory nodes by client utility, and each
A fragment is completed after uploading, and serial number mark and its position uploaded of the fragment are recorded；
S4: after all fragments upload completion, client utility collects the fragments such as all segmental identifications, uploading position letter
Breath, the fragment index information as entire file；
S5: after client utility encrypts the fragment index information of file by user key, as ciphertext attribute and S2
The identification informations such as middle acquisition file fingerprint abstract, size, MIME Type are packaged as this document within the storage system complete
Index is committed to block chain account book node, forms permanent record.
S6: in file acquisition scene, user can be made a summary by file fingerprint and retrieve whether this document is deposited in block chain network
, and obtain the complete index of file within the storage system；
S7: if this document is all for user, user can decrypt the complete fragment index information in ciphertext attribute, visitor
Family ending tool obtains slicing files from different memory nodes according to the complete fragment index information, and completes according to fragment sequence
File is assembled；
S8: after the completion of file assembly, it can be made a summary by file fingerprint and carry out File Integrity Checking again.
Wherein, more copies of file save, and can be the service side by offer memory node by storing High Availabitity mode
It realizes, to effectively separate the service ability of the access visit strategy of original document and storage resource, more different to be deposited
Storage node provider convenient can access, and provide storage service ability by unified standard.User is to the access of file using unified visitor
Family ending tool is completed, it is not necessary to the provider of relationship bottom storage service, with stylish storage service side's access system, can to
Unaware is accomplished in family side, gets through different service provider storage resource abilities, and realizing can divide across the extensive of manufacturer's smooth expansion
Cloth storage system.
In upper example, a kind of large-scale distributed storage system based on block chain is provided, for data according to size
It is sliced, finds suitable storage point in block chain network node to slice of data, and be indexed update.Data slicer
And more copies save, and carry out data retrieval by data fingerprint, only taking data access private key just can be completed data simultaneously
Verifying improves the safety of data storage, reduces storage risk.Further, it because of data slicer and the whole network dispersion, improves
Storage system robustness, and store cheaper, slack resources are stored using node, compare centralization storage cluster, cost has
Very big advantage.
In the above-described embodiments, the document information for calculating file to be uploaded, is then sliced file to be uploaded
Processing, obtains multiple fragments, each fragment in the multiple fragment is uploaded to memory node different in block chain, and remember
The index information of each fragment is recorded, and after uploading completion, the index information of each fragment is encrypted, after encryption
Index information and the document information be committed to the account book node of the block chain.That is, be sliced to file, to cutting
Sheet data finds suitable storage point in block chain network node, and is indexed update, because index information is encryption, this
Sample must take data access private key and just be able to achieve access to data, the data access of decentralization be realized, by above-mentioned
Scheme solves the lower technical problem of existing Information Security during existing data access, has reached effective promotion
The technical effect of Information Security and confidentiality.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.
Embodiment two
The file storing and reading method based on block chain provided in one based on the above embodiment provides a kind of base in the present embodiment
Read apparatus is deposited in the file of block chain, specifically, Fig. 2 and Fig. 3 show the files based on block chain to deposit the optional of read apparatus
Structural block diagram, should file based on block chain deposit read apparatus and be divided into one or more program modules, one or more
Program module is stored in storage medium, and as performed by one or more processors, to complete the present invention.Alleged by the present invention
Program module be refer to complete specific function series of computation machine program instruction section, than program itself be more suitable for describe base
Implementation procedure of the read apparatus in storage medium is deposited in the file of block chain, each program of the present embodiment will specifically be introduced by being described below
The function of module:
As shown in Fig. 2, the file based on block chain deposits read apparatus 20 includes:
Receiving module 201, for receiving the file upload request of user, wherein carried in the file upload request
File to be uploaded；
Computing module 202, for calculating the document information of the file to be uploaded；
Fragment module 203 obtains multiple fragments for carrying out slicing treatment to the file to be uploaded；
Uploading module 204 for the multiple fragment to be uploaded to memory node different in block chain respectively, and records
The index information of each fragment；
Module 205 is submitted, for encrypting to the index information of each fragment, after encryption after uploading completion
Index information and the document information be committed to the account book node of the block chain.
In one embodiment, as shown in figure 3, it may include: to obtain that the above-mentioned file based on block chain, which deposits read apparatus,
Module 301, for obtaining the file read request of user's input, wherein carry document in the file read request
Information；
Retrieval module 302, for according to the document information, retrieved in the account book node of the block chain whether
There are the corresponding files of the document information；
Read module 303, in the presence of determination, reading the document letter in the account book node
Cease corresponding encrypted index information；
Deciphering module 304 obtains complete index information for the encrypted index information to be decrypted；
Splicing module 305, for according to the complete index information, different memory nodes to be obtained from the block chain
Slicing files are taken, and complete file assembly according to fragment sequence；
Generation module 306, for that will splice obtained file, the read requests as user request the file read.
In one embodiment, splicing module 305 can specifically obtain after completing file assembly according to fragment sequence
Take the document information carried in the file read request；By the document information, to the file that splicing obtains,
Carry out integrity checking；In the case where integrity checking passes through, determine that obtaining the file read request requests reading
File.
In one embodiment, receiving module 201 can specifically receive before the file upload request for receiving user
The cipher key pair information that user is locally generated；Submit module 205 can be by the cipher key pair information, to the index of each fragment
Information is encrypted.
In one embodiment, each fragment in the multiple fragment is uploaded to storage section different in block chain
Point, and the index information of each fragment is recorded, it may include: to record the sequence of the fragment after each fragment uploads completion
Number mark and uploading position；After all fragments upload completion, the serial number mark and uploading position of all fragments are collected；It will receive
Collect the serial number mark and uploading position of obtained all fragments, the index information as the file to be uploaded.
About the device in above-described embodiment, wherein each unit, module execute the concrete mode of operation related
It is described in detail in the embodiment of this method, no detailed explanation will be given here.
In each embodiment of the present embodiment, the document information of file to be uploaded is calculated, then to be uploaded
File carries out slicing treatment, obtains multiple fragments, each fragment in the multiple fragment is uploaded to different in block chain
Memory node, and the index information of each fragment is recorded, and after uploading completion, carry out to the index information of each fragment
Encrypted index information and the document information, are committed to the account book node of the block chain by encryption.That is, to file
It is sliced, suitable storage point is found in block chain network node to slice of data, and be indexed update, because index is believed
Breath is encryption, must take data access private key in this way and just be able to achieve access to data, realize the data of decentralization
Access solves the lower technical problem of existing Information Security during existing data access through the above scheme,
Effective technical effect for promoting Information Security and confidentiality is reached.
Embodiment three
A kind of electronic device is provided in the preferred embodiment of the invention three.Fig. 4 is that electronic device one is real according to the present invention
Apply the hardware structure schematic diagram of example.In the present embodiment, electronic device 2 is that one kind can be according to the finger for being previously set or storing
It enables, the automatic equipment for carrying out numerical value calculating and/or information processing.For example, it may be smart phone, tablet computer, notebook are electric
Brain, desktop computer, rack-mount server, blade server, tower server or Cabinet-type server (including independent clothes
Server cluster composed by business device or multiple servers) etc..As shown, electronic device 2 includes, but is not limited to:
Connection memory 21, processor 22, network interface 23 and the file based on block chain can be in communication with each other by system bus to deposit
Read apparatus 20.Wherein:
Memory 21 includes at least a type of computer readable storage medium, and readable storage medium storing program for executing includes flash memory, hard
Disk, multimedia card, card-type memory (for example, SD or DX memory etc.), random access storage device (RAM), static random-access
Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), may be programmed read-only storage at read-only memory (ROM)
Device (PROM), magnetic storage, disk, CD etc..In some embodiments, memory 21 can be the inside of electronic device 2
Memory module, such as the hard disk or memory of the electronic device 2.In further embodiments, memory 21 is also possible to electronics dress
Set the plug-in type hard disk being equipped on 2 External memory equipment, such as the electronic device 2, intelligent memory card (Smart Media
Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash Card) etc..Certainly, memory 21 is gone back
Can both including electronic device 2 storage inside module and also including its External memory equipment.In the present embodiment, memory 21 is usual
For storing the operating system and types of applications software that are installed on electronic device 2, such as the file based on block chain deposits read apparatus
20 program code etc..In addition, memory 21 can be also used for temporarily storing all kinds of numbers that has exported or will export
According to.
Processor 22 can be in some embodiments central processing unit (Central Processing Unit, CPU),
Controller, microcontroller, microprocessor or other data processing chips.The processor 22 is commonly used in control electronic device 2
Overall operation, such as execute control relevant to the progress data interaction of electronic device 2 or communication and processing etc..The present embodiment
In, program code or processing data of the processor 22 for storing in run memory 21, such as operation based on block chain
File deposit read apparatus 20 etc..
Network interface 23 may include radio network interface or wired network interface, which is commonly used in electronics
Communication connection is established between device 2 and other electronic devices.For example, network interface 23 be used for by network by electronic device 2 with
Exterior terminal is connected, and establishes data transmission channel and communication connection etc. between electronic device 2 and exterior terminal.Network can be with
It is intranet (Intranet), internet (Internet), global system for mobile communications (Global System of
Mobile communication, GSM), wideband code division multiple access (Wideband Code Division Multiple
Access, WCDMA), 4G network, 5G network, bluetooth (Bluetooth), the wirelessly or non-wirelessly network such as Wi-Fi.
It should be pointed out that Fig. 4 illustrates only the electronic device with component 21-23, it should be understood that simultaneously should not
Realistic to apply all components shown, the implementation that can be substituted is more or less component.
In the present embodiment, the file based on block chain being stored in memory 21 is deposited read apparatus 20 and can also be divided
For one or more program module, one or more program module is stored in memory 21, and by one or more
Processor (the present embodiment is processor 22) is performed, to complete the present invention.
Example IV
The present embodiment also provides a kind of computer readable storage medium, is stored in computer readable storage medium based on area
The file of block chain deposits read apparatus, and the file based on block chain deposits read apparatus can be performed by least one processor, so that at least
The step of one processor executes the file storing and reading method based on block chain such as embodiment one.
In the present embodiment, computer readable storage medium include flash memory, hard disk, multimedia card, card-type memory (for example,
SD or DX memory etc.), random access storage device (RAM), static random-access memory (SRAM), read-only memory (ROM),
Electrically erasable programmable read-only memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD
Deng.In some embodiments, computer readable storage medium can be the internal storage unit of computer equipment, such as the calculating
The hard disk or memory of machine equipment.In further embodiments, computer readable storage medium is also possible to the outer of computer equipment
The plug-in type hard disk being equipped in portion's storage equipment, such as the computer equipment, intelligent memory card (Smart Media Card,
SMC), secure digital (Secure Digital, SD) blocks, flash card (Flash Card) etc..Certainly, computer-readable storage medium
Matter can also both including computer equipment internal storage unit and also including its External memory equipment.In the present embodiment, computer
Readable storage medium storing program for executing is installed on the operating system and types of applications software of computer equipment, such as embodiment two commonly used in storage
Client ensure analysis system program code etc..In addition, computer readable storage medium can be also used for temporarily storing
Various types of data through exporting or will export.
Obviously, those skilled in the art should be understood that each module of the above-mentioned embodiment of the present invention or each step can be with
It is realized with general computing device, they can be concentrated on a single computing device, or be distributed in multiple computing devices
On composed network, optionally, they can be realized with the program code that computing device can perform, it is thus possible to by it
Store and be performed by computing device in the storage device, and in some cases, can be held with the sequence for being different from herein
The shown or described step of row, perhaps they are fabricated to each integrated circuit modules or will be multiple in them
Module or step are fabricated to single integrated circuit module to realize.In this way, the embodiment of the present invention be not limited to it is any specific hard
Part and software combine.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of file storing and reading method based on block chain, which comprises the steps of:
Receive the file upload request of user, wherein carry file to be uploaded in the file upload request；
Calculate the document information of the file to be uploaded；
Slicing treatment is carried out to the file to be uploaded, obtains multiple fragments；
The multiple fragment is uploaded to memory node different in block chain respectively, and records the index information of each fragment；
After uploading completion, the index information of each fragment is encrypted, by encrypted index information and the file
Summary info is committed to the account book node of the block chain.
2. the method according to claim 1, wherein believing by encrypted index information and the document
Breath is committed to after the account book node of the block chain, the method also includes:
Obtain the file read request of user's input, wherein document information is carried in the file read request；
According to the document information, retrieval whether there is the document information in the account book node of the block chain
Corresponding file；
In the presence of determination, the corresponding encrypted index of the document information is read in the account book node
Information；
The encrypted index information is decrypted, complete index information is obtained；
According to the complete index information, different memory nodes obtains slicing files from the block chain, and according to point
It is assembled that piece sequence completes file；
The file that splicing is obtained, the read requests as user request the file read.
3. according to the method described in claim 2, it is characterized in that, completed according to fragment sequence file it is assembled after, it is described
Method further include:
Obtain the document information carried in the file read request；
Integrity checking is carried out to the file that splicing obtains by the document information；
In the case where integrity checking passes through, determine that obtaining the file read request requests the file read.
4. the method according to claim 1, wherein receive user file upload request before, the side
Method further include:
Receive the cipher key pair information that user is locally generated；
The index information of each fragment is encrypted, comprising:
By the cipher key pair information, the index information of each fragment is encrypted.
5. the method according to claim 1, wherein each fragment in the multiple fragment is uploaded to block
Different memory node in chain, and record the index information of each fragment, comprising:
After each fragment uploads completion, the serial number mark and uploading position of the fragment are recorded；
After all fragments upload completion, the serial number mark and uploading position of all fragments are collected；
The serial number mark and uploading position of obtained all fragments will be collected, the index information as the file to be uploaded.
6. a kind of electronic device, including memory and processor, which is characterized in that the memory can be by the place for storing
The file based on block chain that reason device executes deposits read apparatus, and the file based on block chain deposits read apparatus and includes:
Receiving module, for receiving the file upload request of user, wherein carry text to be uploaded in the file upload request
Part；
Computing module, for calculating the document information of the file to be uploaded；
It is sliced module, for carrying out slicing treatment to the file to be uploaded, obtains multiple fragments；
Logging modle for the multiple fragment to be uploaded to memory node different in block chain respectively, and records each point
The index information of piece；
Module is submitted, for being encrypted to the index information of each fragment after uploading completion, encrypted index is believed
Breath and the document information are committed to the account book node of the block chain.
7. electronic device according to claim 6, which is characterized in that further include:
First obtains module, for encrypted index information and the document information to be committed to the block chain
After account book node, the file read request of user's input is obtained, wherein carry document in the file read request
Information；
Retrieval module, for according to the document information, retrieval to whether there is institute in the account book node of the block chain
State the corresponding file of document information；
Read module, it is corresponding in the presence of determination, reading the document information in the account book node
Encrypted index information；
Deciphering module obtains complete index information for the encrypted index information to be decrypted；
Splicing module, for according to the complete index information, different memory nodes to obtain fragment from the block chain
File, and file assembly is completed according to fragment sequence；
Generation module, for that will splice obtained file, the read requests as user request the file read.
8. electronic device according to claim 7, which is characterized in that further include:
Second obtains module, for obtaining and taking in the file read request after completing file assembly according to fragment sequence
The document information of band；
Module is checked, for carrying out integrity checking to the file that splicing obtains by the document information；
Determining module, in the case where integrity checking passes through, determining that obtaining the file read request requests to read
File.
9. a kind of computer equipment, comprising: memory and processor, wherein the processor requires 1 to 5 for perform claim
Any one of the method the step of.
10. a kind of non-volatile computer readable storage medium storing program for executing, is stored thereon with computer instruction, which is characterized in that the finger
Order is performed the step of realizing any one of claims 1 to 5 the method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221035.2A CN109522270A (en) | 2018-10-19 | 2018-10-19 | File storing and reading method, electronic device and readable storage medium storing program for executing based on block chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811221035.2A CN109522270A (en) | 2018-10-19 | 2018-10-19 | File storing and reading method, electronic device and readable storage medium storing program for executing based on block chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109522270A true CN109522270A (en) | 2019-03-26 |
Family
ID=65770575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811221035.2A Pending CN109522270A (en) | 2018-10-19 | 2018-10-19 | File storing and reading method, electronic device and readable storage medium storing program for executing based on block chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109522270A (en) |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062034A (en) * | 2019-04-01 | 2019-07-26 | 中科天御(苏州)科技有限公司 | A kind of big file safety storage method of block chain and system |
| CN110099114A (en) * | 2019-04-30 | 2019-08-06 | 普华云创科技(北京)有限公司 | Block chain and the file memory method of IPFS agreement, system, terminal and storage medium |
| CN110149373A (en) * | 2019-04-28 | 2019-08-20 | 平安科技（深圳）有限公司 | Date storage method, device, medium and server based on point to point network |
| CN110166220A (en) * | 2019-05-06 | 2019-08-23 | 山东公链信息科技有限公司 | A kind of sharding method carrying out cutting according to the hashed value of subregion key |
| CN110209727A (en) * | 2019-04-04 | 2019-09-06 | 特斯联（北京）科技有限公司 | A kind of date storage method, terminal device and medium |
| CN110334054A (en) * | 2019-05-17 | 2019-10-15 | 杭州亦笔科技有限公司 | A kind of block chained file fragment storage method |
| CN110399338A (en) * | 2019-04-13 | 2019-11-01 | 西安电子科技大学 | Distributed document directory system and method, cloud storage service device based on block chain |
| CN110460886A (en) * | 2019-08-21 | 2019-11-15 | 重庆华医康道科技有限公司 | A kind of method and system of the real-time cochain of video data |
| CN110704858A (en) * | 2019-10-16 | 2020-01-17 | 长春银彩通信息科技有限公司 | Data security storage method and system under distributed environment |
| CN111259432A (en) * | 2020-02-18 | 2020-06-09 | 福州瑞芯微电子股份有限公司 | Model data protection method and readable computer storage medium |
| CN111291414A (en) * | 2020-03-11 | 2020-06-16 | 深圳市网心科技有限公司 | Data storage method and device, computer device and storage medium |
| CN111414334A (en) * | 2020-02-21 | 2020-07-14 | 平安科技（深圳）有限公司 | File fragment uploading method, device, equipment and storage medium based on cloud technology |
| WO2020011287A3 (en) * | 2019-10-15 | 2020-08-20 | Alipay (Hangzhou) Information Technology Co., Ltd. | Indexing and recovering encoded blockchain data |
| CN111723071A (en) * | 2020-06-18 | 2020-09-29 | 江苏优网智能科技有限公司 | Distributed dynamic point cloud storage technology |
| CN111880826A (en) * | 2020-07-28 | 2020-11-03 | 平安科技（深圳）有限公司 | Cloud service application upgrading method and device, electronic equipment and storage medium |
| CN112015710A (en) * | 2020-08-27 | 2020-12-01 | 北京达佳互联信息技术有限公司 | Method and device for determining directory fragmentation relationship |
| CN112307504A (en) * | 2020-11-18 | 2021-02-02 | 成都佳华物链云科技有限公司 | Secure multi-party computing method and device, electronic equipment and storage medium |
| CN112394876A (en) * | 2019-08-14 | 2021-02-23 | 深圳市特思威尔科技有限公司 | Large file storage/reading method, storage/reading device and computer equipment |
| CN112435026A (en) * | 2020-11-27 | 2021-03-02 | 从法信息科技有限公司 | Method and device for protecting file transaction information by using zero-knowledge proof and electronic equipment |
| CN112632008A (en) * | 2020-12-29 | 2021-04-09 | 华录光存储研究院（大连）有限公司 | Data fragment transmission method and device and computer equipment |
| WO2021098277A1 (en) * | 2019-11-21 | 2021-05-27 | 深圳壹账通智能科技有限公司 | Blockchain file access method and apparatus, computer device and storage medium |
| CN112988764A (en) * | 2021-05-14 | 2021-06-18 | 北京百度网讯科技有限公司 | Data storage method, device, equipment and storage medium |
| CN113535669A (en) * | 2021-07-23 | 2021-10-22 | 广东工业大学 | File uploading method, downloading method and system |
| CN114389878A (en) * | 2022-01-13 | 2022-04-22 | 中国人民解放军国防科技大学 | Block chain fragmentation method and block chain network system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052649A (en) * | 2017-12-26 | 2018-05-18 | 广州泼墨神网络科技有限公司 | The data managing method and its system of a kind of distributed file system |
| CN108062202A (en) * | 2017-12-15 | 2018-05-22 | 中链科技有限公司 | A kind of file block storage method and system |
| CN108076148A (en) * | 2017-12-15 | 2018-05-25 | 成都链网络科技有限公司 | Storage system based on block chain |
| CN108108127A (en) * | 2017-12-15 | 2018-06-01 | 中链科技有限公司 | A kind of file reading and system |
| CN108446407A (en) * | 2018-04-12 | 2018-08-24 | 北京百度网讯科技有限公司 | Database audit method based on block chain and device |
| CN108462568A (en) * | 2018-02-11 | 2018-08-28 | 西安电子科技大学 | A kind of secure file storage and sharing method based on block chain |
| CN108566375A (en) * | 2018-03-12 | 2018-09-21 | 深圳壹账通智能科技有限公司 | The method, terminal and storage medium of message communicating between multiterminal based on block chain |
-
2018
- 2018-10-19 CN CN201811221035.2A patent/CN109522270A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108062202A (en) * | 2017-12-15 | 2018-05-22 | 中链科技有限公司 | A kind of file block storage method and system |
| CN108076148A (en) * | 2017-12-15 | 2018-05-25 | 成都链网络科技有限公司 | Storage system based on block chain |
| CN108108127A (en) * | 2017-12-15 | 2018-06-01 | 中链科技有限公司 | A kind of file reading and system |
| CN108052649A (en) * | 2017-12-26 | 2018-05-18 | 广州泼墨神网络科技有限公司 | The data managing method and its system of a kind of distributed file system |
| CN108462568A (en) * | 2018-02-11 | 2018-08-28 | 西安电子科技大学 | A kind of secure file storage and sharing method based on block chain |
| CN108566375A (en) * | 2018-03-12 | 2018-09-21 | 深圳壹账通智能科技有限公司 | The method, terminal and storage medium of message communicating between multiterminal based on block chain |
| CN108446407A (en) * | 2018-04-12 | 2018-08-24 | 北京百度网讯科技有限公司 | Database audit method based on block chain and device |
Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062034A (en) * | 2019-04-01 | 2019-07-26 | 中科天御(苏州)科技有限公司 | A kind of big file safety storage method of block chain and system |
| CN110209727A (en) * | 2019-04-04 | 2019-09-06 | 特斯联（北京）科技有限公司 | A kind of date storage method, terminal device and medium |
| CN110399338A (en) * | 2019-04-13 | 2019-11-01 | 西安电子科技大学 | Distributed document directory system and method, cloud storage service device based on block chain |
| CN110399338B (en) * | 2019-04-13 | 2022-03-08 | 西安电子科技大学 | Distributed file index system and method based on block chain and cloud storage server |
| CN110149373A (en) * | 2019-04-28 | 2019-08-20 | 平安科技（深圳）有限公司 | Date storage method, device, medium and server based on point to point network |
| CN110099114A (en) * | 2019-04-30 | 2019-08-06 | 普华云创科技(北京)有限公司 | Block chain and the file memory method of IPFS agreement, system, terminal and storage medium |
| CN110166220A (en) * | 2019-05-06 | 2019-08-23 | 山东公链信息科技有限公司 | A kind of sharding method carrying out cutting according to the hashed value of subregion key |
| CN110166220B (en) * | 2019-05-06 | 2022-05-06 | 山东公链信息科技有限公司 | Slicing method for slicing according to hash value of partition key |
| CN110334054A (en) * | 2019-05-17 | 2019-10-15 | 杭州亦笔科技有限公司 | A kind of block chained file fragment storage method |
| CN112394876A (en) * | 2019-08-14 | 2021-02-23 | 深圳市特思威尔科技有限公司 | Large file storage/reading method, storage/reading device and computer equipment |
| CN112394876B (en) * | 2019-08-14 | 2024-02-23 | 深圳市特思威尔科技有限公司 | Large file storage/reading method, storage/reading device and computer equipment |
| CN110460886A (en) * | 2019-08-21 | 2019-11-15 | 重庆华医康道科技有限公司 | A kind of method and system of the real-time cochain of video data |
| KR20210045353A (en) * | 2019-10-15 | 2021-04-26 | 알리페이 (항저우) 인포메이션 테크놀로지 씨오., 엘티디. | Indexing and recovery of encoded blockchain data |
| US10977114B2 (en) | 2019-10-15 | 2021-04-13 | Alipay (Hangzhou) Information Technology Co., Ltd. | Indexing and recovering encoded blockchain data |
| KR102412024B1 (en) | 2019-10-15 | 2022-06-22 | 알리페이 (항저우) 인포메이션 테크놀로지 씨오., 엘티디. | Indexing and recovery of encoded blockchain data |
| US11307927B2 (en) | 2019-10-15 | 2022-04-19 | Alipay (Hangzhou) Information Technology Co., Ltd. | Indexing and recovering encoded blockchain data |
| WO2020011287A3 (en) * | 2019-10-15 | 2020-08-20 | Alipay (Hangzhou) Information Technology Co., Ltd. | Indexing and recovering encoded blockchain data |
| CN110704858A (en) * | 2019-10-16 | 2020-01-17 | 长春银彩通信息科技有限公司 | Data security storage method and system under distributed environment |
| WO2021098277A1 (en) * | 2019-11-21 | 2021-05-27 | 深圳壹账通智能科技有限公司 | Blockchain file access method and apparatus, computer device and storage medium |
| CN111259432B (en) * | 2020-02-18 | 2023-09-12 | 瑞芯微电子股份有限公司 | Model data protection method and readable computer storage medium |
| CN111259432A (en) * | 2020-02-18 | 2020-06-09 | 福州瑞芯微电子股份有限公司 | Model data protection method and readable computer storage medium |
| CN111414334B (en) * | 2020-02-21 | 2024-04-05 | 平安科技（深圳）有限公司 | File fragment uploading method, device, equipment and storage medium based on cloud technology |
| CN111414334A (en) * | 2020-02-21 | 2020-07-14 | 平安科技（深圳）有限公司 | File fragment uploading method, device, equipment and storage medium based on cloud technology |
| CN111291414A (en) * | 2020-03-11 | 2020-06-16 | 深圳市网心科技有限公司 | Data storage method and device, computer device and storage medium |
| CN111723071A (en) * | 2020-06-18 | 2020-09-29 | 江苏优网智能科技有限公司 | Distributed dynamic point cloud storage technology |
| CN111880826A (en) * | 2020-07-28 | 2020-11-03 | 平安科技（深圳）有限公司 | Cloud service application upgrading method and device, electronic equipment and storage medium |
| CN112015710B (en) * | 2020-08-27 | 2023-11-21 | 北京达佳互联信息技术有限公司 | Method and device for determining directory slicing relationship |
| CN112015710A (en) * | 2020-08-27 | 2020-12-01 | 北京达佳互联信息技术有限公司 | Method and device for determining directory fragmentation relationship |
| CN112307504B (en) * | 2020-11-18 | 2024-02-09 | 成都佳华物链云科技有限公司 | Secure multiparty computing method, device, electronic equipment and storage medium |
| CN112307504A (en) * | 2020-11-18 | 2021-02-02 | 成都佳华物链云科技有限公司 | Secure multi-party computing method and device, electronic equipment and storage medium |
| CN112435026A (en) * | 2020-11-27 | 2021-03-02 | 从法信息科技有限公司 | Method and device for protecting file transaction information by using zero-knowledge proof and electronic equipment |
| CN112435026B (en) * | 2020-11-27 | 2023-03-28 | 从法信息科技有限公司 | Method and device for protecting file transaction information by using zero-knowledge proof and electronic equipment |
| CN112632008A (en) * | 2020-12-29 | 2021-04-09 | 华录光存储研究院（大连）有限公司 | Data fragment transmission method and device and computer equipment |
| CN112988764A (en) * | 2021-05-14 | 2021-06-18 | 北京百度网讯科技有限公司 | Data storage method, device, equipment and storage medium |
| CN113535669A (en) * | 2021-07-23 | 2021-10-22 | 广东工业大学 | File uploading method, downloading method and system |
| CN114389878A (en) * | 2022-01-13 | 2022-04-22 | 中国人民解放军国防科技大学 | Block chain fragmentation method and block chain network system |
| CN114389878B (en) * | 2022-01-13 | 2024-03-19 | 中国人民解放军国防科技大学 | Block chain slicing method and block chain network system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109522270A (en) | File storing and reading method, electronic device and readable storage medium storing program for executing based on block chain | |
| EP3255832B1 (en) | Dynamic encryption method, terminal and server | |
| CN108734028B (en) | Data management method based on block chain, block chain link point and storage medium | |
| CN103229479B (en) | A kind of website identification method, device and network system | |
| CN104506487B (en) | The credible execution method of privacy policy under cloud environment | |
| CN106878265A (en) | A kind of data processing method and device | |
| CN102624699A (en) | Method and system for protecting data | |
| EP3694175A1 (en) | System and method for delegating authority through coupled devices | |
| CN111915019A (en) | Federal learning method, system, computer device, and storage medium | |
| CN109948347A (en) | A kind of date storage method and device, server and readable storage medium storing program for executing | |
| CN110138754B (en) | Multi-cloud-end information processing system and resource sharing method thereof | |
| CN113259382B (en) | Data transmission method, device, equipment and storage medium | |
| CN111669408A (en) | Identity registration and authentication method and device | |
| EP3804218B1 (en) | Blockchain based access control using time-dependent obfuscation of access tokens | |
| CN103457954A (en) | Method and device for user password management | |
| CN109379360A (en) | Auditing method, electronic device and computer readable storage medium | |
| CN114041134A (en) | System and method for block chain based secure storage | |
| CN113468599A (en) | File storage certificate method, device, system, equipment and storage medium | |
| CN111880919A (en) | Data scheduling method, system and computer equipment | |
| CN115130075A (en) | Digital signature method and device, electronic equipment and storage medium | |
| CN111339558A (en) | Data encryption method, data decryption method, computer device and medium | |
| CN105184559B (en) | A kind of payment system and method | |
| CN113129008A (en) | Data processing method and device, computer readable medium and electronic equipment | |
| CN108900510A (en) | Off-line data storage method, device, computer equipment and storage medium | |
| CN112100689A (en) | Trusted data processing method, device and equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |