CN108924092A - Based on block chain can open arbitration distribution cloud storage method and system - Google Patents
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Abstract
The invention discloses a kind of based on block chain can open arbitration distribution cloud storage method and system, wherein method includes：It formulates service contract and simultaneously carries out first time user's matching, to be connected under the first time chain established between user and storage service provider；By connecting storage contract of the foundation comprising storage cash pledge and storage service expense under first time chain and being distributed to the whole network；Data storage is carried out according to the storage contract for being distributed to the whole network, and is recorded according to storage and carries out second of user's matching, to be connected under second of chain establishing between user and storage service provider；Micropayments channel under chain is established by connecting under second of chain, to carry out inquiry transaction, and last transaction content signature is committed to the whole network to authenticate.This method can efficiently use the local storage space of the whole network node, and do not need trusted third party carry out audit operation can intelligent contract specification the whole network service, guarantee the fairness of storage and query process.
Description
Technical field
The present invention relates to cloud computing security technology area, in particular to it is a kind of based on block chain can open arbitration it is distributed
Cloud storage method and system.
Background technique
With the arriving of big data era, explosive growth is presented in the data volume in network, and growth rate has surmounted
Geometry magnitude.If the data of generation stored, it is necessarily required to great network storage capabilities.This is to cloud storage skill
Higher requirements are also raised for art.
Nowadays user often uses third party to store the cloud storage service storage mass data that quotient provides, and results in centralization
Problem is serious.In addition, be currently based in third-party cloud storage model often require TTP (Third Trusted Party,
Trusted third party) guarantee the integrality and availability of data, this is but also audit operation becomes more centralization.Once TTP
Auditing errors execute malicious operation, will lead to storage service participant and incur loss.It reviews, on the one hand, storage service
Demand is very vigorous, and on the other hand, being locally stored for a large number of users is not effectively utilized, and imbalance of supply and demand problem is tight
Weight.Therefore, to be that face one of current cloud storage service is great choose for building safety, distributed cloud storage system openly, stable
War.
Therefore, design can guarantee that the scheme for the Robust Security that data correctly store is particularly important.For mass data cloud
Storage, on the one hand needs to solve the problems, such as the memory space and integrality of mass data, on the other hand to introduce decentralization
Arbitrate verification method.
Block chain is born from middle clever bit coin, since two thousand nine, occurs various based on publicly-owned block
The class bit coin digital cash of chain.Block chain is substantially the database of a decentralization, has decentralization, information are anti-to usurp
The advantages that changing, be open and clear, robustness is high.Intelligent contract is the theory proposed by Ni Kesabo nineteen nineties, it
It is the computer program operated on reproducible, shared account book, can handle information, receives, storage and transmission are worth.Intelligence
Contract is exactly the digitized version of traditional contract.They are the computer programs run on block chain database, can be full
It is voluntarily executed when the condition being written in its source code of foot.Intelligent contract, which once writes, to be trusted by user, agreement terms
It cannot be changed, therefore contract is not modifiable.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, what an object of the present invention is to provide a kind of based on block chain can open arbitration distribution cloud storage side
Method, this method have do not need trusted third party carry out audit operation can intelligent contract specification the whole network service, guarantee to deposit
The advantages of fairness of storage and query process.
It is another object of the present invention to propose it is a kind of based on block chain can open arbitration distribution cloud storage system.
In order to achieve the above objectives, one aspect of the present invention embodiment propose it is a kind of based on block chain can open arbitration distribution
Formula cloud storage method, includes the following steps：It formulates service contract and carries out first time user's matching, taken with establishing user and storage
It is connected under first time chain between business supplier；It is established by being connected under the first time chain comprising storage cash pledge and storage service
The storage contract of expense is simultaneously distributed to the whole network；Data storage is carried out according to the storage contract for being distributed to the whole network, and according to storage
Record carries out second of user's matching, to connect under second of chain establishing between the user and the storage service provider
It connects；And micropayments channel under chain is established by connecting under second of chain, to carry out inquiry transaction, and finishing touch is handed over
Easy content signature is committed to the whole network to be authenticated.
The embodiment of the present invention based on block chain can open arbitration distribution cloud storage method, by being mentioned to the whole network miner
The storage contract comprising storage cash pledge is handed over, to efficiently use the local storage space of the whole network node, and establishes the chain of specification
It lower micropayments channel can intelligent contract with trusted third party's progress audit operation is not needed to be traded and be inquired
The service of specification the whole network guarantees the advantages of storing the fairness with query process.
In addition, it is according to the above embodiment of the present invention based on block chain can open arbitration distribution cloud storage method may be used also
With following additional technical characteristic：
Further, in one embodiment of the invention, the formulation service contract and first time user's matching is carried out,
To be connected under the first time chain established between user and storage service provider, further comprise：The service contract is formulated, and
The storage cash pledge is turned to the storage time of service contract account address and the statement storage service provider setting；According to
Described between the user and the storage service provider is established in the required service that the user inquires on block chain
It is connected under chain.
Further, in one embodiment of the invention, described by being connected under the first time chain, it establishes comprising depositing
The storage contract that storage cash pledge and storage service are taken, and the storage contract is distributed to the whole network, further comprise：It is calculated by piecemeal
Method will obtain the data block { M1, M2 ..., Mk } of the sizes such as k to deposit data M piecemeal, encrypt each block number according to obtain C1,
C2 ..., Ck }, retain the Hash { Hash (C1), Hash (C2) ..., Hash (Ck) } and manipulative indexing of encrypted data block；It will contain
All piecemeals of the index and any one random challenge value c (c ∈ [1, k]) are sent to the storage service provider, and
The storage service provider returns to effective storage and proves to the user；If the user's checking passes through, according to institute
It states storage cash pledge and storage service expense reaches the storage and about C and states the amount of storage and storage time that consult, and
The storage contract is distributed to the whole network.
Further, in one embodiment of the invention, described to establish micropayments channel flow under chain, further wrap
It includes：Assuming that the user locks N γ to the storage contract account as enquiry fee；When inquiring first time, according to described
User locks to the γ enquiry fee of the storage service provider, and recording the enquiry fee is γ1, send data to the use
Family；Under the premise of the storage service provider gets the total storage cash pledge turned to storage contract, the storage service is mentioned
Donor obtains the enquiry fee γ1；In each inquiry, the cumulative expense γ that transfers accounts is signed by the user and is taken to the storage
Be engaged in supplier, and the transaction that residue is transferred accounts to the user sends data to the user after receiving the transaction of legitimate signature；
It after the completion of operation to be checked, signs to the transaction, sends the whole network for the transaction comprising dual signature；Pass through verifying institute
Miner's trading signature is stated, if passing through, receives the transaction, fund transfer process is completed.
Further, in one embodiment of the invention, data transmission is assisted using http agreement or IPFS under the chain
View.
In order to achieve the above objectives, another aspect of the present invention embodiment propose it is a kind of based on block chain can open arbitration point
Cloth cloud storage system, including：First time matching module, for formulating service contract and carrying out first time user's matching, to build
It is connected under first time chain between vertical user and storage service provider；Storage contract establishes module, for passing through described first
It is connected under secondary chain, establish the storage contract comprising storage cash pledge and storage service expense and is distributed to the whole network；Second of matching module,
For carrying out data storage according to the storage contract for being distributed to the whole network, and is recorded according to storage and carry out second of user
Match, to be connected under second of chain establishing between the user and the storage service provider；And micropayments Path Setup
Module, for establishing micropayments channel under chain by connection under second of chain, to carry out inquiry transaction, and by finishing touch
Transaction content signature is committed to the whole network to be authenticated.
The embodiment of the present invention based on block chain can open arbitration distribution cloud storage system, by being mentioned to the whole network miner
The storage contract comprising storage cash pledge is handed over, to efficiently use the local storage space of the whole network node, and establishes the chain of specification
It lower micropayments channel can intelligent contract with trusted third party's progress audit operation is not needed to be traded and be inquired
The service of specification the whole network guarantees the advantages of storing the fairness with query process.
In addition, it is according to the above embodiment of the present invention based on block chain can open arbitration distribution cloud storage system may be used also
With following additional technical characteristic：
Further, in one embodiment of the invention, the first time matching module, is further used for：Formulate institute
Service contract is stated, and the storage cash pledge is turned into service contract account address and states the storage service provider setting
Storage time；The required service inquired on block chain according to the user, establishes the user and the storage service provides
It is connected under the first time chain between person.
Further, in one embodiment of the invention, the storage contract establishes module, is further used for：Pass through
Block algorithm will obtain the data block { M1, M2 ..., Mk } of the sizes such as k to deposit data M piecemeal, encrypt each block number evidence and obtain
{ C1, C2 ..., Ck } retains the Hash { Hash (C1), Hash (C2) ..., Hash (Ck) } and manipulative indexing of encrypted data block；
All piecemeals containing the index are sent to the storage service with any one random challenge value c (c ∈ [1, k]) to provide
Person, and the storage service provider returns to effective storage and proves to the user；If the user's checking passes through, root
When reaching the storage and about C according to the storage cash pledge and storage service expense and state the amount of storage and storage that consult
Between, and the storage contract is distributed to the whole network.
Further, in one embodiment of the invention, the lower micropayments Path Setup process further comprises：
Assuming that the user locks N γ to the storage contract account as enquiry fee；When inquiring first time, according to the user
It locks to the γ enquiry fee of the storage service provider, recording the enquiry fee is γ1, send data to the user；?
Under the premise of the storage service provider gets the total storage cash pledge turned to storage contract, the storage service provider is obtained
Obtain the enquiry fee γ1；In each inquiry, the cumulative expense γ that transfers accounts is signed by the user and is provided to the storage service
Person, the transaction that residue is transferred accounts to the user send data to the user after receiving the transaction of legitimate signature；It is to be checked
It after the completion of operation, signs to the transaction, sends the whole network for the transaction comprising dual signature；By verifying the miner
Trading signature receives the transaction if passing through, and fund transfer process is completed.
Further, in one embodiment of the invention, data transmission is assisted using http agreement or IPFS under the chain
View.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 be according to the embodiment of the present invention based on block chain can open arbitration distribution cloud storage method process
Figure；
Fig. 2 be according to one embodiment of the invention based on block chain can open arbitration distribution cloud storage method data
The schematic diagram of storing process；
Fig. 3 be according to one embodiment of the invention based on block chain can open arbitration distribution cloud storage method data
The schematic diagram of query process；
Fig. 4 be according to one embodiment of the invention based on block chain can open arbitration distribution cloud storage method clothes
The schematic diagram for contract parameter of being engaged in；
Fig. 5 be according to one embodiment of the invention based on block chain can open arbitration distribution cloud storage method store
The schematic diagram of contract parameter；
Fig. 6 be according to one embodiment of the invention based on block chain can open arbitration distribution cloud storage method store
The schematic diagram of contract pseudocode；
Fig. 7 be according to one embodiment of the invention based on block chain can open arbitration distribution cloud storage method chain
The flow chart in lower micropayments channel；
Fig. 8 be according to one embodiment of the invention based on block chain can open arbitration distribution cloud storage method store
The structural schematic diagram of proof；
Fig. 9 be according to the embodiment of the present invention based on block chain can the structure of open arbitration distribution cloud storage system show
It is intended to.
Description of symbols：
In Fig. 2, c is the random challenge value that User-A is sent to Server-B；
In Fig. 3, Restore is storage record；
In Fig. 4, PGserve is the cash pledge of storage person, and Nserve is available amount of storage, when Tserve is storage
Between, TEsever-i is the contact address of storage person Server-i；
In Fig. 5, PGstore is the cash pledge volume for needing to pay in total, and Tstore is the storage service time, and RM is data M
Merkel's tree root；PGcheck is inquiry expense；
In Fig. 7, N γ is the inquiry expense of user's locking；γ 1 is the enquiry fee for inquiring a certain block number evidence for the first time；
In fig. 8, Nmax is the maximum value of index, and RM is Merkel's tree root of storing data, and c is that user indexes Mr. Yu
Challenging value.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end
Or similar label indicates same or similar element or element with the same or similar functions.It is retouched below with reference to attached drawing
The embodiment stated is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Describe to propose according to embodiments of the present invention with reference to the accompanying drawings based on block chain can open arbitration distribution cloud
Storage method and system, describe to propose according to embodiments of the present invention first with reference to the accompanying drawings based on block chain can open arbitration
Distributed cloud storage method, first explains symbol and algorithm：
(1) c represents the random challenge value that User-A is sent to Server-B, which corresponds to the index value of certain data block；
(2)RMRepresent Merkel's tree root of storing data；
(3)pkA、skAFor the public private key pair of User-A, pkB、skBFor the public key pair of Server-B；
(4)Hash(M)→ω,M∈{0,1}*, indicate that data M, which is done Hash operation, obtains ω；
(5)Sig(ski, M) and → σ, M ∈ { 0,1 }*, indicate to use private key skiM is signed to obtain σ；
(6) C-SER represents the content of service contract, and C-STO represents the content of storage contract；
(7)ADDseve-iRepresent the service contract account address of i creation, ADDstoreRepresent the account address of storage contract；
(8) N γ represents the inquiry expense that User-A is locked to storage contract, and the enquiry fee of each deblocking is γ.γ1
It represents and inquires the enquiry fee of certain block number evidence for the first time, if not inquiring γ1It is 0, is otherwise γ；；
(9)PGserveRepresent service contract account amount of money, PGstoreBoth parties are represented to need always to deposit to what storage contract turned
Store up cash pledge, PGtotalRepresent the total amount of money of storage contract account, PGcheckRepresent the inquiry cash pledge of User-A；
(10)TserveRepresent the storage duration that storage person states in service contract, NserveRepresent that storage person is available to deposit
Reserves, Price-unit represent currently stored market unit price, there is PGserve=Tserve×Nserve×Price-unit；
(11)TstoreRepresent the storage duration in storage contract, TcerThe storage for representing user's tolerance proves return time delay；
(12)Cerstore-cRepresenting the corresponding storage of challenge c proves, it was demonstrated that the data block contents M including c as indexcAnd
It arrives RMPath；RestoreRepresent storage record, record specific data and its correspondence storage person.
Fig. 1 be according to the embodiment of the present invention based on block chain can open arbitration distribution cloud storage method process
Figure.
As shown in Figure 1, should based on block chain can open arbitration distribution cloud storage method include phase data memory and
The data query stage, wherein phase data memory includes step S101 and S102, and the data query stage includes S103 and S104,
Specially：
In step s101, it formulates service contract and carries out first time user's matching, mentioned with establishing user with storage service
It is connected under first time chain between donor.
In conjunction with Fig. 2-4, in one embodiment of the invention, Server-B formulates service contract C-SERB,。Server-B
Service cash pledge is transferred to ADDseve-BAnd state storage time Tstore。TstoreIt is to be set by Server-B, within contract validity period
It immobilizes.NserveWith PGserveStorage price Price-unit linearity variations (work as PG with marketserveReduction or Price-
When unit rises, NserveIt can reduce automatically, vice versa).On User-A to block chain inquire required for service, under chain with
Corresponding Server-B establishes connection.
In step s 102, by connecting the storage contract established and taken comprising storage cash pledge and storage service under first time chain
And it is distributed to the whole network.
In one embodiment of the invention, User-A will obtain the data block { M of the sizes such as k to deposit data M piecemeal1,
M2..., Mk, and all piecemeals, piecemeal manipulative indexing and a random challenge value c (c ∈ [1, k]) are sent to Server-B,
Server-B calculates Cerstore-cIssue User-A verifying；
It is verified rear User-A as shown in Figure 5 and formulates storage treaty content Cstore, calculate the signature Sstore=Sig
(skA,Hash(Cstore)).Cstore and Sstore are issued into Server-B together；
If Server-B agrees to the contract after being proved to be successful, S is calculatedstore-B=Sig (skB, Hash (Cstore)), it will
Cstore, Sstore-A and Sstore-BIt is published to network；
Miner verifies the contract, the integrality including detecting treaty content, the correctness of dual signature.Miner's verifying is effective
The contract is packed into block again afterwards, obtains the service charge of the contract；
Twocouese contract address AD DstoreCash pledge is submitted to transfer accounts, in stipulated time TtransIf interior cash pledge is successfully transferred to, contract
It comes into force, Re is recorded in this store transaction by User-Astore.Otherwise the cash pledge being transferred to is returned, and contract is invalid；
TstoreAfter arrival, if Server-B does not have dishonest storage behavior, (i.e. Server-B can be returned correctly look into every time
Asking result or storage proves to User-A), PGstoreIt is all given to Server-B, otherwise PGstoreAll it is given to User-A.
In step s 103, data storage is carried out according to the storage contract for being distributed to the whole network, and is carried out according to storage record
Second user matching, to be connected under second of chain establishing between user and storage service provider.
In one embodiment of the invention, User-A is according to storage record RestoreWith obtaining the connection of Server-B
Location establishes the connection under chain with Server-B.Http agreement or IPFS agreement can be used in data transmission under chain.
In step S104, micropayments channel under chain is established by connecting under second of chain, to carry out inquiry transaction, and will
Last transaction content signature is committed to the whole network to be authenticated.
As shown in figs 6-8, in one embodiment of the invention, the process of micropayments Path Setup is：
(1) assume that User-A locks N γ to storage contract account ADDstoreAs enquiry fee PGcheck；
(2) when inquiring for the first time, User-A, which is locked, (remembers that this enquiry fee is γ to the γ enquiry fee of Server-B1),
Server-B sends a data to User-A.PG is got in Server-BstoreUnder the premise of, Server-B could be obtained
γ1, otherwise in TstoreThe expense is returned to User-A afterwards；
(3) in each inquiry later, User-A, which signs to add up every time, transfers accounts expense γ to Server-B, and residue is transferred accounts
To the transaction of User-A, after the transaction for receiving legitimate signature, Server-B sends a data to User-A.Such as at the 2nd time
When inquiry, to turning γ to Server-B and turn (N-2) γ to being sent to Server-B after the trading signature of User-A；It looks into for 3rd time
When inquiry, to turning 2 γ to Server-B and turn (N-3) γ to issuing Server-B after the trading signature of User-A ... successively into
Row；
(4) after the completion of operation to be checked, Server-B signs to wherein last transaction, will include dual signature
Transaction be sent to the whole network；
(5) miner verifies trading signature, if passing through, receives transaction, fund transfer process is completed；
(6) when User-A has paid money and Server-B does not return to certain data block, User-A to the whole network submit for
The storage challenge of Server-B is traded, it is desirable that Server-B provides the storage for the data block and proves (including in data block
Hold and its arrive RMPath, see Fig. 7).If Server-B cannot be in TcerIt is interior to submit effective storage to prove to the whole network miner, to
Tstoreγ after arrival1It is given to User-A；If Server-B does not have dishonest storage behavior to be found by User-A, to TstoreIt reaches
γ afterwards1It is given to User-A.
The micropayments channel in the case where establishing chain after carrying out inquiry transaction, carries out data update, and detailed process is as follows：
(1) under chain, User-A by information needed for more new data (index, new data block) and refers to the operation of the data
It enables (insertion is deleted, updated) to be sent to Server-B, calculates new Merkel's tree root value, and value signature is sent to Server-
B；
(2) Server-B is corresponding updates storage Structure Calculation and goes out new Merkel's tree root, carries out with the value that User-A is provided
Compare, if equal, by the value dual signature and returns；
(3) User-A verifies the correctness that Server-B returns to signature；
(4) User-A generates a more New Transaction and new Merkel's tree root value, dual signature and timestamp is submitted to the whole network
Miner；
(5) using the transaction as the input of corresponding storage contract after miner is verified, to modify the Merck of storage contract
That tree root value.
In addition, in an embodiment of the present invention, above scheme is all of the invention its using one-to-one specific embodiment
The case where his embodiment can also meet one-to-many, many-one and multi-to-multi.
It is one-to-many：The data of i.e. one user are stored to multiple storage persons, and user, can be in order to enhance the robustness of data
One-to-many scheme is realized using two ways, is put into different storage persons including the whole multiple storage of data or deblocking
Space, specially：
Mode one：User and multiple storage persons establish connection；Corresponding different storage person, after user is to same data slicer
It is encrypted using different symmetric cryptographic key, encrypted data is then sent to storage person.
Mode two：User and multiple storage persons establish connection；User integrally presses correcting and eleting codes (Erasure codes) to data
Mode encoded；User uses the data block after symmetric cryptography mode scrambled, and the dispersion of these data blocks is sent to
Different storage persons.
Many-one：I.e. multiple users correspond to same storing data, multiple with can be inquired per family storing data, more
Newly.This mode is actually the data sharing on ordinary meaning.User completes the store transaction with storage person, then by storage person
Contact method, own private key, the Hash of data and index, data the chains such as manner of decryption under be shared with the users to trust its
He is user.
Multi-to-multi：Above-mentioned many-one and one-to-many embodiment are combined and formed, is not just being repeated herein.
The embodiment of the present invention based on block chain can open arbitration distribution cloud storage method, by being mentioned to the whole network miner
The storage contract comprising storage cash pledge is handed over, to efficiently use the local storage space of the whole network node, and establishes the chain of specification
It lower micropayments channel can intelligent contract with trusted third party's progress audit operation is not needed to be traded and be inquired
The service of specification the whole network guarantees the advantages of storing the fairness with query process.
Referring next to attached drawing description propose according to embodiments of the present invention based on block chain can open arbitration distribution cloud
Storage system.
Fig. 9 be according to the embodiment of the present invention based on block chain can the structure of open arbitration distribution cloud storage system show
It is intended to.
As shown in figure 9, should based on block chain can open arbitration distribution cloud storage system 10 include：Matching mould for the first time
Block 100, storage contract establish module 200, second of matching module 300 and micropayments path setup module 400.
Wherein, first time matching module 100 is for formulating service contract and carrying out first time user's matching, to establish user
It is connected under first time chain between storage service provider.Storage contract establishes module 200 for by connecting under first time chain
It connects, establishes the storage contract taken comprising storage cash pledge and storage service.Second of matching module 300 is used for basis and is distributed to the whole network
Storage contract carry out data storage, and according to storage record carry out second of user's matching, to establish user and storage service
It is connected under second of chain between supplier.Micropayments path setup module 400 is used to establish chain by connection under second of chain
Last transaction content signature to carry out inquiry transaction, and is committed to the whole network to authenticate by lower micropayments channel.This is
Unite have do not need trusted third party carry out audit operation can intelligent contract specification the whole network service, guarantee storage and inquiry
The fairness of process.
It should be noted that it is aforementioned to based on block chain can open arbitration distribution cloud storage embodiment of the method explanation
Illustrate to be also applied for the embodiment based on block chain can open arbitration distribution cloud storage system, details are not described herein again.
Further, in one embodiment of the invention, first time matching module 100, is further used for：Formulate service
Contract, and cash pledge will be stored and turn service contract account address and state the storage time of storage service provider setting；According to
The required service that user inquires on block chain connects under the first time chain established between user and storage service provider.
Further, in one embodiment of the invention, storage contract establishes module 200, is further used for：By dividing
Block algorithm will obtain the data block { M1, M2 ..., Mk } of the sizes such as k to deposit data M piecemeal, encrypt each block number according to obtain C1,
C2 ..., Ck }, retain the Hash { Hash (C1), Hash (C2) ..., Hash (Ck) } and manipulative indexing of encrypted data block；It will contain
All piecemeals of index and any one random challenge value c (c ∈ [1, k]) are sent to storage service provider, and storage service
Supplier returns to effective storage and proves to user；If user's checking passes through, reached according to storage cash pledge and storage service expense
It at storage and about C and states the amount of storage and storage time that consult, and storage contract is distributed to the whole network.
Further, in one embodiment of the invention, lower micropayments Path Setup process further comprises：Assuming that
User locks N γ to storage contract account as enquiry fee；When inquiring first time, is locked according to user and mentioned to storage service
The γ enquiry fee of donor, record queries take for γ1, send data to user；It gets in storage service provider to storage and closes
Under the premise of the total storage cash pledge about turned, storage service provider obtains enquiry fee γ1；In each inquiry, signed by user
The transaction that the cumulative expense γ that transfers accounts transfers accounts to storage service provider, residue to user is ordered, after receiving the transaction of legitimate signature,
Send data to user；It after the completion of operation to be checked, signs to transaction, sends the transaction comprising dual signature to entirely
Net；By verifying miner's trading signature, if passing through, receive transaction, fund transfer process is completed.
Further, in one embodiment of the invention, data transmission uses http agreement or IPFS agreement under chain.
The embodiment of the present invention based on block chain can open arbitration distribution cloud storage system, by being mentioned to the whole network miner
The storage contract comprising storage cash pledge is handed over, to efficiently use the local storage space of the whole network node, and establishes the chain of specification
It lower micropayments channel can intelligent contract with trusted third party's progress audit operation is not needed to be traded and be inquired
The service of specification the whole network guarantees the advantages of storing the fairness with query process.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. it is a kind of based on block chain can open arbitration distribution cloud storage method, which is characterized in that include the following steps：
It formulates service contract and carries out first time user's matching, with the first time chain established between user and storage service provider
Lower connection；
By connecting storage contract of the foundation comprising storage cash pledge and storage service expense under the first time chain and being distributed to the whole network；
Data storage is carried out according to the storage contract for being distributed to the whole network, and is recorded according to storage and carries out second of user
Match, to be connected under second of chain establishing between the user and the storage service provider；And
Micropayments channel under chain is established by connecting under second of chain, to carry out inquiry transaction, and by last transaction
Content signature is committed to the whole network to be authenticated.
2. it is according to claim 1 based on block chain can open arbitration distribution cloud storage method, which is characterized in that institute
It states and formulates service contract and carry out first time user's matching, under the first time chain established between user and storage service provider
It connects, further comprises：
The service contract is formulated, and the storage cash pledge is turned into service contract account address and states that the storage service mentions
The storage time of donor setting；
The required service inquired on block chain according to the user is established between the user and the storage service provider
The first time chain under connect.
3. it is according to claim 2 based on block chain can open arbitration distribution cloud storage method, which is characterized in that institute
It states by being connected under the first time chain, establishes the storage contract taken comprising storage cash pledge and storage service, and by the storage
Contract is distributed to the whole network, further comprises：
The data block { M1, M2 ..., Mk } of the sizes such as k will be obtained to deposit data M piecemeal by block algorithm, encrypts each block number
According to obtaining { C1, C2 ..., Ck }, retain the Hash { Hash (C1), Hash (C2) ..., Hash (Ck) } of encrypted data block and corresponding
Index；
All piecemeals containing the index are sent to the storage service with any one random challenge value c (c ∈ [1, k]) to mention
Donor, and the storage service provider returns to effective storage and proves to the user；
If the user's checking passes through, the storage and about C are reached according to the storage cash pledge and storage service expense
And state the amount of storage and storage time that consult, and the storage contract is distributed to the whole network.
4. it is according to claim 1 based on block chain can open arbitration distribution cloud storage method, which is characterized in that institute
It states and establishes micropayments channel flow under chain, further comprise：
Assuming that the user locks N γ to the storage contract account as enquiry fee；
It when inquiring first time, is locked according to the user to the γ enquiry fee of the storage service provider, is looked into described in record
Inquiry takes for γ1, send data to the user；It gets in the storage service provider to total storage that storage contract turns and gives as security
Under the premise of gold, the storage service provider obtains the enquiry fee γ1；
In each inquiry, the cumulative expense γ that transfers accounts is signed to the storage service provider by the user, residue is transferred accounts
To the transaction of the user, after receiving the transaction of legitimate signature, the user is sent data to；
It after the completion of operation to be checked, signs to the transaction, sends the whole network for the transaction comprising dual signature；
By verifying miner's trading signature, if passing through, receive the transaction, fund transfer process is completed.
5. it is according to claim 1-4 based on block chain can open arbitration distribution cloud storage method, it is special
Sign is that data transmission uses http agreement or IPFS agreement under the chain.
6. it is a kind of based on block chain can open arbitration distribution cloud storage system, which is characterized in that including：
First time matching module, for formulating service contract and carrying out first time user's matching, to establish user and storage service
It is connected under first time chain between supplier；
Storage contract establishes module, for establishing and taking comprising storage cash pledge and storage service by connecting under the first time chain
Storage contract and be distributed to the whole network；
Second of matching module for carrying out data storage according to the storage contract for being distributed to the whole network, and is remembered according to storage
Record carries out second of user's matching, to connect under second of chain establishing between the user and the storage service provider；
And
Micropayments path setup module, for establishing micropayments channel under chain by connection under second of chain, to be looked into
Transaction is ask, and last transaction content signature is committed to the whole network to authenticate.
7. it is according to claim 6 based on block chain can open arbitration distribution cloud storage system, which is characterized in that institute
First time matching module is stated, is further used for：
The service contract is formulated, and the storage cash pledge is turned into service contract account address and states that the storage service mentions
The storage time of donor setting；
The required service inquired on block chain according to the user, is established between the user and the storage service provider
The first time chain under connect.
8. it is according to claim 7 based on block chain can open arbitration distribution cloud storage system, which is characterized in that institute
It states storage contract and establishes module, be further used for：
The data block { M1, M2 ..., Mk } of the sizes such as k will be obtained to deposit data M piecemeal by block algorithm, encrypts each block number
According to obtaining { C1, C2 ..., Ck }, retain the Hash { Hash (C1), Hash (C2) ..., Hash (Ck) } of encrypted data block and corresponding
Index；
All piecemeals containing the index are sent to the storage service with any one random challenge value c (c ∈ [1, k]) to mention
Donor, and the storage service provider returns to effective storage and proves to the user；
If the user's checking passes through, the storage and about C are reached according to the storage cash pledge and storage service expense
And state the amount of storage and storage time that consult, and the storage contract is distributed to the whole network.
9. it is according to claim 6 based on block chain can open arbitration distribution cloud storage system, which is characterized in that institute
Lower micropayments Path Setup process is stated, further comprises：
Assuming that the user locks N γ to the storage contract account as enquiry fee；
It when inquiring first time, is locked according to the user to the γ enquiry fee of the storage service provider, is looked into described in record
Inquiry takes for γ1, send data to the user；It gets in the storage service provider to total storage that storage contract turns and gives as security
Under the premise of gold, the storage service provider obtains the enquiry fee γ1；
In each inquiry, the cumulative expense γ that transfers accounts is signed to the storage service provider by the user, residue is transferred accounts
To the transaction of the user, after receiving the transaction of legitimate signature, the user is sent data to；
It after the completion of operation to be checked, signs to the transaction, sends the whole network for the transaction comprising dual signature；
By verifying miner's trading signature, if passing through, receive the transaction, fund transfer process is completed.
10. it is according to claim 6 based on block chain can open arbitration distribution cloud storage system, which is characterized in that
Data transmission uses http agreement or IPFS agreement under the chain.
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