CN111400761B - Data sharing method and device, storage medium and electronic equipment - Google Patents
Data sharing method and device, storage medium and electronic equipment Download PDFInfo
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Abstract
The invention provides a data sharing method and device, a storage medium and electronic equipment, wherein the method comprises the following steps: the method comprises the steps of obtaining original data to be shared by a data owner, generating shared data according to a data sharing protocol, a sharing form of the original data and metadata information if classification information matched with the data type of the original data exists in a preset data sharing protocol, determining a target block chain from each block chain corresponding to the data owner, and sending the shared data to each node of the target block chain for storage. According to the technical scheme provided by the invention, the target block chain is determined from each block chain contained in the block chain network based on the data type of the shared data, the shared data is stored in each node of the target block chain instead of being stored in each node of all the block chains in the block chain network, and therefore, the shared data in the block chain network is controlled in the sharing range.
Description
Technical Field
The present invention relates to the field of block chain technologies, and in particular, to a data sharing method and apparatus, a storage medium, and an electronic device.
Background
In the big data era, data sharing can effectively solve the phenomenon of data island, and reduce the period and cost of data acquisition, thereby improving the efficiency of service operation.
In the prior art, data sharing can be achieved through a blockchain network technology, however, data in a blockchain network is public and transparent, a user can randomly acquire the data in the blockchain network as long as the user joins in the blockchain network, and for some sensitive data, the user in the blockchain network can randomly acquire the sensitive data due to the fact that the sharing range of the sensitive data cannot be controlled, so that the original impetus of data sharing is seriously hindered.
Therefore, how to control the sharing range of the shared data in the blockchain network becomes a problem to be solved at present.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a data sharing method and apparatus, a storage medium, and an electronic device, so as to implement control of a sharing range of shared data in a blockchain network.
A method of data sharing, comprising:
acquiring original data to be shared by a data owner, and determining the data type and the sharing form of the original data;
if classification information matched with the data type exists in a preset data sharing protocol, generating target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data;
generating shared data corresponding to the target data according to the target data and metadata information contained in the data sharing protocol; wherein the metadata information is used to describe the shared data;
determining each block chain corresponding to the data owner in a block chain network, and determining a target block chain from each block chain based on the data type of the shared data;
and sending the shared data to each node of the target block chain for storage.
Optionally, in the above method, the generating target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data includes:
generating first initial data corresponding to the original data according to the sharing form of the original data;
acquiring a format conversion strategy corresponding to the first initial data, and performing format conversion on the first initial data according to the format conversion strategy;
determining a preset data desensitization strategy corresponding to the first initial data, and processing the format-converted first initial data according to the data desensitization strategy to obtain second initial data;
determining a preset encryption strategy corresponding to the second initial data; the encryption strategy is used for indicating whether the second initial data is encrypted or not and indicating the encryption mode;
if the encryption strategy representation encrypts the second initial data, encrypting the second initial data according to an encryption mode contained in the encryption strategy to obtain target data; and if the encryption strategy representation does not encrypt the second initial data, taking the second initial data as target data.
Optionally, in the method, the generating first initial data corresponding to the original data according to the sharing form of the original data includes:
if the sharing form of the original data is sharing abstract information, taking the abstract information of the original data as first initial data;
and if the sharing form of the original data is the sharing full-text information, taking the original data as the first initial data.
Optionally, the sending the shared data and the metadata information of the shared data to each node of the target block chain for storage includes:
consensus is carried out on the shared data;
and if the shared data passes the consensus, sending the shared data to each node of the target block chain for storage.
The above method, optionally, further includes:
responding to a data acquisition request of an internal system of a data acquirer, and generating an internal request corresponding to the data acquisition request according to a preset internal request format;
according to the internal request, whether record information corresponding to the internal request exists in a local database corresponding to a data acquisition party is searched;
and if the record information exists, sending the related data in the record information to the internal system of the data acquisition party.
The above method, optionally, further includes:
if the local database does not have the record information corresponding to the internal request, judging whether first shared data corresponding to the internal request exists in a first block chain or not; the first block chain is a block chain corresponding to the data acquirer;
if first shared data corresponding to the internal request exists in the first block chain, when relevant data contained in the first shared data is full-text plaintext information, sending the relevant data contained in the first shared data to the internal system of the data acquisition party; when the related data contained in the first shared data is not full-text plaintext information, generating an external request corresponding to the internal request according to a preset external request format;
sending the external request to a front node of a data owner corresponding to the first shared data, so that the front node executes a first operation according to the external request; the first operation includes: the external request is validated, when the external request passes the validation, second shared data corresponding to the external request is obtained, summary information of the external request and the second shared data is sent to a block chain network for consensus, and if the external request and the summary information of the second shared data pass the consensus, the second shared data is fed back;
and receiving second shared data fed back by the front node, and sending the second shared data to the internal system of the data acquisition party.
Optionally, in the method, after the sending the second shared data to the data acquirer internal system, the method further includes:
and acquiring the incentive corresponding to the second shared data from the account of the data acquirer according to an incentive mechanism contained in the data sharing protocol, and transmitting part or all of the acquired incentive to the account of the data owner corresponding to the second shared data.
A data sharing apparatus, comprising:
the device comprises a first acquisition unit, a second acquisition unit and a third acquisition unit, wherein the first acquisition unit is used for acquiring original data to be shared by a data owner and determining the data type and the sharing form of the original data;
the first generation unit is used for generating target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data if the classification information matched with the data type exists in the preset data sharing protocol;
the second generation unit is used for generating shared data corresponding to the target data according to the target data and metadata information contained in the data sharing protocol; wherein the metadata information is used to describe a data structure of the shared data;
a determining unit, configured to determine each block chain corresponding to the data owner in a block chain network, and determine a target block chain from each block chain based on a data type of the shared data;
and the sending unit is used for sending the shared data to each node of the target block chain for storage.
A storage medium, the storage medium comprising stored instructions, wherein when the instructions are executed, a device in which the storage medium is located is controlled to execute the above data sharing method.
An electronic device comprising a memory, and one or more instructions, wherein the one or more instructions are stored in the memory and configured to be executed by one or more processors to perform the above-described data sharing method.
Compared with the prior art, the invention has the following advantages:
the invention provides a data sharing method and device, a storage medium and electronic equipment, wherein the method comprises the following steps: the method comprises the steps of obtaining original data to be shared by a data owner, determining the data type and the sharing form of the original data, if classification information matched with the data type exists in a preset data sharing protocol, generating target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data, generating shared data corresponding to the target data according to metadata information and the target data contained in the data sharing protocol, determining each block chain corresponding to the data owner in a block chain network, determining a target block chain from each block chain based on the data type of the shared data, and sending the shared data and the metadata information of the shared data to each node of the target block chain for storage. Therefore, according to the technical scheme provided by the invention, shared data corresponding to the original data can be generated based on a preset data sharing protocol, a sharing form of the original data and metadata information, a target block chain is determined from each block chain included in the block chain network based on the data type of the shared data, the shared data is stored in each node of the target block chain instead of storing the shared data in each node of all the block chains in the block chain network, and thus the control of the sharing range of the shared data in the block chain network is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flow chart of a method for sharing data according to the present invention;
FIG. 2 is a diagram illustrating a data sharing method according to the present invention;
FIG. 3 is a flowchart of another method of a data sharing method according to the present invention;
FIG. 4 is a flowchart of another method of a data sharing method according to the present invention;
FIG. 5 is a schematic structural diagram of a data sharing device according to the present invention;
fig. 6 is a schematic structural diagram of an electronic device provided in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention is operational with numerous general purpose or special purpose computing device environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet-type devices, multi-processor apparatus, distributed computing environments that include any of the above devices or equipment, and the like.
An embodiment of the present invention provides a data sharing method, where the method may be applied to multiple system platforms, an execution subject of the method may be a computer terminal or a processor of various mobile devices, and a flowchart of the method is shown in fig. 1, and specifically includes:
s101, obtaining original data to be shared by a data owner, and determining the data type and the sharing form of the original data.
In response to the data sharing request of the data owner, the raw data corresponding to the data sharing request is acquired, and optionally, the raw data may be acquired in a form of timing acquisition or event triggering, that is, the corresponding raw data is acquired from the local database of the data owner at a timing, or the raw data is acquired when a triggering event occurs.
Optionally, the original data may be obtained through a data conversion middleware of the data owner, and it should be noted that the data conversion middleware in the data sharing mechanism to which each data owner belongs may be multiple, that is, the original data may be sent to each data conversion middleware for processing in a distributed task scheduling manner, so as to ensure that the multiple data conversion middleware does not repeatedly process the same original data.
Determining the data type and sharing form of the original data, wherein the sharing form includes but is not limited to sharing summary information or sharing full-text information, i.e. the sharing form is used to indicate that the original data should be shared in the form of summary information or full-text information. It should be noted that the determination of the sharing form may be selected by the data owner, or may be determined based on a preset data sharing protocol and a data type of the original data, that is, after the original data is obtained, the preset sharing forms may be displayed to the data owner so as to be convenient for the data owner to select, and if the data owner does not select the sharing form of the original data, the sharing form matching the data type of the original data is determined based on the preset data sharing protocol.
And S102, if the preset data sharing protocol has classification information matched with the data type, generating target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data.
The preset data sharing protocol stores the corresponding relationship between the data types and the classification information, that is, the classification information corresponding to each data type is stored.
It should be noted that, a data sharing protocol is generated in advance, optionally, the data sharing protocol generation can be performed synchronously with the data sharing software development negotiation, and the negotiation result has two modes, one is coarse-grained, and how to determine a specific protocol through consensus after the negotiation software is implemented; another is to negotiate a specific protocol in a offline manner, and after software is implemented, the specific protocol is specified through consensus of the blockchain network. Optionally, in the first mode, the data sharing may be performed after a specific protocol is specified by second consensus.
Optionally, the content of the data sharing protocol may be determined by negotiation of the participating parties, and includes, but is not limited to, two ways, one is to form a specific data sharing protocol specification, and the other is to generate a rule of the data sharing protocol, which is equivalent to the rule, and is capable of dynamic adjustment, strong adaptability, and good flexibility.
Optionally, the data sharing protocol specification includes, but is not limited to, the following:
(1) classification information of the data sharing protocol including, but not limited to, a category name of the category, a unique identification of the category, a parent of the category, different data sharing organizations or organizations may join and subscribe to different categories. Optionally, a plurality of data sharing mechanisms form a block chain, referring to fig. 2, the data sharing mechanism a, the data sharing mechanism B, the data sharing mechanism C, and the data sharing mechanism D form a block chain, each block chain forms a block chain network, each data sharing mechanism may include, but is not limited to, an internal system, a data conversion middle block chain front node, and a block chain link point, it should be noted that the same data sharing mechanism may participate in a plurality of block chains at the same time, data in different block chains are isolated from each other, and a data sharing mechanism may have multiple roles at the same time, for example, a data owner and a data acquirer at the same time.
(2) Metadata information of the shared data, the metadata information describing a structure, a type, a meaning, a version, a protocol, a resource location, a validity period, a usage restriction, etc. of the shared data. It should be noted that the protocol represents a protocol name of the data owner sharing the original data, and includes multiple modes such as RESTful, gRPC, JSON-RPC, MQ, and the like.
(3) The incentive standard of the shared data is the same with the incentive standard of different data classified with the same minimum granularity, so that the data can be motivated in various modes of visiting according to times, sharing different time periods in the effective period, repeatedly visiting the same data in a certain time period and the like, and the additional incentive meeting various combination conditions of sharing reaching various categories, sharing reaching times and the like can be provided.
(4) An update rule of a data sharing protocol, the update rule comprising: conditions that initiate an update protocol, e.g., an agency specifying which agencies or which roles initiate; conditions that need to be met by the update protocol, e.g., authority approval specifying which authorities or roles or how many proportions of authorities, etc.; the condition for the new data sharing protocol to be effective, for example, a certain time point starts, and the determination of the time point can be determined by a prediction machine or an average time.
Optionally, the data sharing software includes multiple components, including each data sharing mechanism or a part forming sharing, such as an underlying blockchain node, blockchain pre-node software, an intelligent contract, and the like, and also includes data conversion middleware unique inside each mechanism or organization. The data sharing mechanisms or the parts that make up the share may be developed independently or delegated to data operators for development and maintenance.
Optionally, after the development of the data sharing software is completed, the software may be tested, a test report may be generated, and each data sharing mechanism may perform functional verification and non-functional verification on the shared software and the unique software, so as to ensure compliance with expectations. If the test result is in line with expectation, deployment implementation is carried out according to the components of the data sharing software, including deployment time plan, software version, server resources and parameter configuration, and meanwhile, the commonly known data sharing protocol is added into the data sharing protocol and is synchronized to each data sharing mechanism in the block chain network.
It should be noted that, a data administrator may be set to perform administration, the data administrator has a vote rejection power for an event that does not meet the administration specification, and the data administrator may perform administration in multiple stages, for example, to check whether the event meets the specification in the software testing stage and the deployment stage.
Based on the classification information of the original data, judging whether classification information matched with the data type exists in a preset data sharing protocol, optionally comparing the data type of the original data with a first data type, wherein the first data type is each data type stored in the data sharing protocol, if the first data type which is consistent with the data type comparison of the original data exists, judging that the classification information matched with the data type exists, and generating target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data, optionally, the target data can be abstract information, full-text plaintext information, full-text ciphertext information or partial ciphertext information, if the first data type which is consistent with the data type comparison of the original data does not exist, judging that the classification information matched with the data type does not exist, and forbidding the data sharing of the original data, and storing the original data as historical data so as to update the shared data protocol.
S103, generating shared data corresponding to the target data according to the target data and metadata information contained in the data sharing protocol.
And generating shared data corresponding to the target data based on the target data and metadata information contained in the data sharing protocol, wherein the metadata information is used for describing the shared data, and optionally, the metadata information may include a plurality of attribute information, for example, the attribute information of the metadata information may include, but is not limited to, the source of the shared data and the content of the shared data.
Specifically, according to each attribute information included in the metadata information, data corresponding to each attribute information is extracted from the target data, and the extracted data corresponding to each attribute information is written into the metadata information, so as to obtain shared data corresponding to the target data.
S104, determining each block chain corresponding to the data owner in the block chain network, and determining a target block chain from each block chain based on the data type of the shared data.
Determining each block chain corresponding to the data owner in the block chain network, specifically, determining a data sharing mechanism to which the data owner belongs, determining a block chain in which the data sharing mechanism participates, and taking the block chain in which the data sharing mechanism participates as each block chain corresponding to the data owner.
It should be noted that the same data sharing mechanism may participate in multiple block chains at the same time.
And determining a target block chain from each block chain according to the data type of the shared data and the data sharing protocol, namely determining the block chain for data sharing. Optionally, data sharing may be performed based on the blockchain selected by the data owner.
And S105, sending the shared data to each node of the target block chain for storage.
Sending the shared data to each node of the target block chain for storage specifically includes:
and carrying out consensus on the shared data.
And if the shared data passes the consensus, sending the shared data to each node of the target block chain for storage.
Optionally, the consensus on the shared data includes: generating transaction data of the shared data, and performing consensus on the transaction data of the shared data, namely performing consensus on the transaction data of the shared data by a consensus algorithm in the block chain; after the shared data passes the consensus, the blocks are generated according to the shared data, and are synchronized to each node of the target block chain through the P2P network of the block chain network, so that the shared data is stored in each node of the target block chain.
Optionally, the blockchain network provides an event notification mechanism, and the front-end node of the shared mechanism or other mechanisms to which the data owner belongs can selectively listen to the event of the blockchain network to obtain the uplink event notification.
The data sharing method provided by the embodiment of the invention comprises the steps of acquiring original data to be shared by a data owner, determining the data type and the sharing form of the original data, if classification information matched with the data type exists in a preset data sharing protocol, generating target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data, generating metadata information corresponding to the target data according to the metadata information contained in the target data and the data sharing protocol, determining each block chain corresponding to the data owner in a block chain network, determining a target block chain from each block chain based on the data type of the shared data, and sending the shared data to each node of the target block chain for storage. By applying the data sharing method provided by the embodiment of the invention, the shared data corresponding to the original data can be generated based on the preset data sharing protocol, the sharing form of the original data and the metadata information, the diversification of data sharing is realized, the target block chain is determined from each block chain included in the block chain network based on the data type of the shared data, the shared data is stored in each node of the target block chain instead of storing the shared data in each node of all the block chains in the block chain network, and the control of the sharing range of the shared data in the block chain network is realized.
In the foregoing embodiment of the present invention, the process of generating the target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data in step S102 disclosed in fig. 1 is shown in fig. 3, and the flowchart specifically includes the following steps:
s301, generating first initial data corresponding to the original data according to the sharing form of the original data.
Optionally, if the sharing form of the original data is shared summary information, the summary information of the original data is obtained and used as the first original data, and if the sharing form of the original data is shared full-text information, the original data is used as the first original data.
S302, a format conversion strategy corresponding to the first initial data is obtained, and format conversion is carried out on the initial data according to the format conversion strategy contained in the data sharing protocol.
And optionally, if the data owner does not select the format conversion strategy, taking the default format conversion strategy as the format conversion strategy corresponding to the first initial data.
And carrying out format conversion on the first initial data according to a format conversion strategy corresponding to the first initial data.
And S303, determining a preset data desensitization strategy corresponding to the first initial data, and processing the format-converted first initial data according to the data desensitization strategy to obtain second initial data.
Determining a data desensitization strategy corresponding to preset first initial data, wherein the data desensitization strategy is used for indicating whether to perform desensitization processing on the format-converted first initial data and a desensitization mode, and if the data desensitization strategy represents to perform desensitization processing on the format-converted first initial data, performing desensitization processing on the format-converted first initial data according to the desensitization mode contained in the data desensitization strategy to obtain second initial data corresponding to the initial data; and if the desensitization strategy representation does not perform desensitization treatment on the format-converted first initial data, taking the format-converted first initial data as second initial data.
S304, determining a preset encryption strategy corresponding to the second initial data.
Determining a preset encryption policy corresponding to the second initial data, where the encryption policy is used to indicate whether to encrypt the second initial data, and an encryption manner, and optionally, the encryption manner may be implemented by applying a current encryption technology, for example, encrypting with a public and private symmetric key, which is not described herein again.
S305, if the encryption strategy representation encrypts the second initial data, encrypting the second initial data according to an encryption mode contained in the encryption strategy to obtain target data; and if the encryption strategy representation does not encrypt the second initial data, taking the second initial data as target data.
If the encryption strategy representation encrypts the second initial data, encrypting the second initial data according to an encryption mode contained in the encryption strategy to obtain the first target data, optionally encrypting full-text information of the second initial data to obtain full-text encryption information, and using the full-text encryption information as the first target data, or encrypting part of data in the second initial data to obtain part of encryption information, and using part of encryption information and unencrypted information in the second initial data as the target data.
And if the encryption strategy representation does not encrypt the second initial data, taking the second initial data as target data. It should be noted that, if the second initial data is the digest information of the original data, the digest information may not be encrypted, that is, the second initial data is not encrypted, and if the second initial data is the full-text information, the full-text information may be encrypted or partially encrypted, or the full-text information may not be encrypted.
It should be noted that, whether to encrypt the second initial data and the encryption mode may be determined according to the encryption policy selected by the data owner.
In the data sharing method provided by the embodiment of the invention, first initial data corresponding to original data is generated according to a sharing form of the original data, format conversion is carried out on the first initial data, a preset data desensitization strategy corresponding to the first initial data is determined, the first initial data after format conversion is processed according to the data desensitization strategy to obtain second initial data, a preset encryption strategy corresponding to the second initial data is determined, if the encryption strategy represents to encrypt the second initial data, the second initial data is encrypted according to an encryption mode contained in the encryption strategy to obtain target data, and if the encryption strategy represents not to encrypt the second initial data, the second initial data is used as the target data. By applying the data sharing method provided by the embodiment of the invention, the original data is converted according to the sharing form, and the data format conversion, desensitization processing and encryption processing are carried out to obtain the target data, so that the safety of the target data is improved.
The steps disclosed in fig. 1 and fig. 2 of the embodiment of the present invention described above, as shown in fig. 4, may further include the following steps:
s401, responding to a data acquisition request of an internal system of a data acquirer, and generating an internal request corresponding to the data acquisition request according to a preset internal request format.
Responding to a data acquisition request of an internal system of a data acquirer, and generating an internal request corresponding to the data acquisition request according to a preset internal request format, namely, converting the data acquisition request into the internal request meeting the format requirement, wherein the internal request format is a preset format in a data sharing protocol.
Optionally, the data obtaining request may include data of a specified entry, or obtain data of some conditions in batch, that is, the data obtaining request may request to obtain data of a specified entry, or obtain data meeting conditions.
S402, judging whether the local database corresponding to the data acquisition party has the record information corresponding to the internal request or not according to the internal request.
And searching whether the local database corresponding to the data acquirer exists record information corresponding to the internal request, wherein the record information is all the data information acquired by the data acquirer, if the record information corresponding to the internal request is searched, judging that the local database corresponding to the data acquirer exists the record information corresponding to the internal request, executing step S403, if the record information corresponding to the internal request is not searched, judging that the local database corresponding to the data acquirer does not exist the record information corresponding to the internal request, and executing step S404.
And S403, sending the related data in the recorded information to the internal system of the data acquisition party.
If the local database corresponding to the data acquirer has the record information corresponding to the internal request, the data acquirer is indicated to have acquired the data corresponding to the request before the request, and the corresponding data in the record information can be directly fed back to the internal system of the data acquirer.
S404, judging whether first shared data corresponding to the internal request exists in the first block chain, wherein the first block chain is a block chain corresponding to the data acquirer.
If the local database corresponding to the data acquirer does not have the record information corresponding to the internal request, whether first shared data corresponding to the internal request exists in a first block chain is judged, wherein the first block chain is the block chain corresponding to the data acquirer, namely the block chain in which the data sharing mechanism to which the data acquirer belongs participates. If the first block chain does not have the first shared data corresponding to the internal request, step S405 is executed, and if the first block chain has the first shared data corresponding to the internal request, step S406 is executed.
S405, feeding back data acquisition failure information to the internal system of the data acquisition party.
If the first block chain does not have the first shared data corresponding to the internal request, it is stated that the block chain network does not have the data requested by the internal system of the data acquirer, or the data acquirer does not have the authority to acquire the requested data, and information of data acquisition failure is generated and fed back to the data acquirer.
S406, whether the related data contained in the first shared data is full text plaintext information is judged.
If the first block chain has the first shared data corresponding to the internal request, determining whether the related data included in the first shared data is full-text plaintext information, if so, performing step S407, and if not, performing step S408.
It should be noted that the related data included in the first shared data refers to data requested to be acquired by the internal system of the data acquirer.
S407, sending the related data contained in the first shared data to the internal system of the data acquisition party.
If the related data contained in the first shared data is full-text plaintext information, the related data contained in the first shared data is sent to an internal system of a data acquisition party, an incentive corresponding to the first shared data is acquired from an account of the data acquisition party according to an incentive mechanism contained in a data sharing protocol, and part or all of the acquired incentive is sent to an account of a data owner corresponding to the first shared data.
Optionally, the excitation is determined by classification information corresponding to a data type of the first shared data, the class to which the first shared data belongs is taken as a unified standard for the excitation of the first shared data, if no excitation mechanism is set in the class to which the first shared data belongs, the excitation mechanism of the previous stage is taken as the standard, and if no matched excitation mechanism is set until the top-most class, it is determined that the first shared data is set as the excitation-free data.
If the incentive corresponding to the first shared data does not exist in the account of the data acquirer or the incentive is insufficient, the data cannot be acquired.
Optionally, some specific measures such as quota and preference for data acquisition may be further set to adjust the incentive mechanism, for example, an internal system of the data acquirer may repeatedly acquire the same data in a certain period of time without paying corresponding incentives for many times, and a level and threshold for data acquisition may also be set, that is, only a preset number of incentives need to be present in an account of the data acquirer to request to acquire data.
S408, generating an external request corresponding to the internal request according to a preset external request format.
If the related data included in the first shared data is not full-text plaintext information, that is, the related data included in the first shared data is summary information, full-text ciphertext information or partial ciphertext information, according to a preset external request format, generating an external request corresponding to the internal request, and requesting to acquire the full-text information or decrypt the key information, it needs to be noted that the external request format is a preset request format in a data sharing protocol.
S409, sending the external request to a front node of a data owner corresponding to the first shared data, so that the front node can execute a first operation according to the external request.
Sending the external request to a front node of a data owner corresponding to the first shared data, so that the front node executes a first operation according to the external request, wherein the first operation comprises: the method includes the steps that validity verification is conducted on an external request, optionally, the method includes but is not limited to verification of parameters and authority of the external request, when the external request passes the validity verification, second shared data corresponding to the external request are obtained, namely, the second shared data corresponding to the external request are obtained from a local database corresponding to a data owner, optionally, the obtained second shared data can be a decryption key or full-text information, namely, when relevant data contained in first shared data are summary information, the obtained second shared data are full-text information, and when the relevant data contained in the first shared data are full-text ciphertext information or partial ciphertext information, the obtained second shared data are the decryption key; and sending the external request and the summary information of the second shared data corresponding to the external request to the block chain network for consensus, and if the external request and the summary information pass the consensus, feeding back the second shared data corresponding to the external request.
After the external request and the summary information are identified together, generating blocks according to the external request and the summary information and storing the blocks to each node in a block chain, namely generating and storing record information and feeding back an uplink event notification to a data owner.
And S410, receiving second shared data fed back by the front node, and sending the second shared data to the internal system of the data acquisition party.
And receiving second shared data fed back by the front node, sending the second shared data to the data acquirer, acquiring an incentive corresponding to the second shared data from an account of the data acquirer according to an incentive mechanism contained in the data sharing protocol, and sending part or all of the acquired incentive to an account of a data owner corresponding to the second shared data information.
Optionally, the second shared data may be recorded in a local database corresponding to the data acquirer.
The data sharing method provided by the embodiment of the invention responds to a data acquisition request of an internal system of a data acquirer, generates the internal request, acquires related data for feedback by searching a local database corresponding to the data acquirer or searching whether first shared data exists in a block chain corresponding to the data acquirer, acquires corresponding incentive from an account of the data acquirer according to an incentive mechanism contained in a data sharing protocol, and sends part or all of the acquired incentive to the account of a data owner. By applying the data sharing method provided by the embodiment of the invention, a good incentive ecology is formed through an incentive mechanism so as to encourage more users to join in a block chain network for data sharing.
Optionally, the data sharing method provided in the embodiment of the present invention may further provide a data sharing complaint mechanism, and the data monitoring party and the other data obtaining parties may complaint the quality of data provided by the data owning party, and provide corresponding evidence to initiate arbitration. And if the quality of the data shared by the data owners has problems, the corresponding incentive is deducted, and even the authority for acquiring the shared data is cancelled.
Corresponding to the method described in fig. 1, an embodiment of the present invention further provides a data sharing apparatus, which is used for implementing the method in fig. 1 specifically, and a schematic structural diagram of the data sharing apparatus is shown in fig. 5, and specifically includes:
a first obtaining unit 501, configured to obtain original data to be shared by a data owner, and determine a data type and a sharing form of the original data;
a first generating unit 502, configured to generate target data corresponding to the original data according to a data sharing protocol and a sharing form of the original data if classification information matching the data type exists in a preset data sharing protocol;
a second generating unit 503, configured to generate shared data corresponding to the target data according to the target data and metadata information included in the data sharing protocol; wherein the metadata information is used for describing the shared data structure;
a determining unit 504, configured to determine each block chain corresponding to the data owner in a block chain network, and determine a target block chain from each block chain based on a data type of the shared data;
a sending unit 505, configured to send the shared data to each node of the target block chain for storage.
The data sharing device provided by the embodiment of the invention acquires original data to be shared by a data owner, determines the data type and the sharing form of the original data, generates target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data if classification information matched with the data type exists in a preset data sharing protocol, generates shared data corresponding to the target data according to the target data and metadata information contained in the data sharing protocol, determines each block chain corresponding to the data owner in a block chain network, determines each block chain from each block chain based on the data type of the shared data, and sends the shared data to each node of the target block chain for storage. By applying the data sharing device provided by the embodiment of the invention, the shared data corresponding to the original data can be generated based on the preset data sharing protocol, the sharing form of the original data and the metadata information, the diversification of data sharing is realized, the target block chain is determined from each block chain included in the block chain network based on the data type of the shared data, the shared data is stored in each node of the target block chain instead of storing the shared data in each node of all the block chains in the block chain network, and the control of the sharing range of the shared data in the block chain network is realized.
In an embodiment of the present invention, based on the foregoing scheme, the first generating unit 502 is configured to:
the generating subunit is used for generating first initial data corresponding to the original data according to the sharing form of the original data;
the format conversion subunit is configured to acquire a format conversion policy corresponding to the first initial data, and perform format conversion on the first initial data according to the format conversion policy;
the first determining subunit is used for determining a preset data desensitization strategy corresponding to the first initial data, and processing the format-converted first initial data according to the data desensitization strategy to obtain second initial data;
a second determining unit, configured to determine a preset encryption policy corresponding to the second initial data; the encryption strategy is used for indicating whether the second initial data is encrypted or not and indicating the encryption mode;
a third determining unit, configured to encrypt the second initial data according to an encryption manner included in the encryption policy if the encryption policy represents that the second initial data is encrypted, so as to obtain target data; and if the encryption strategy representation does not encrypt the second initial data, taking the second initial data as target data.
In an embodiment of the present invention, based on the foregoing scheme, the generating subunit executes, according to the sharing form of the original data, to generate first initial data corresponding to the original data, and is configured to:
if the sharing form of the original data is sharing abstract information, taking the abstract information of the original data as first initial data;
and if the sharing form of the original data is the sharing full-text information, taking the original data as the first initial data.
In an embodiment of the present invention, based on the foregoing scheme, the sending unit 505 executes sending and storing the shared data to each node of the target block chain, and is configured to:
consensus is carried out on the shared data;
and if the shared data passes the consensus, sending the shared data to each node of the target block chain for storage.
In an embodiment of the present invention, based on the foregoing solution, the method may further include:
the response unit is used for responding to a data acquisition request of an internal system of a data acquirer and generating an internal request corresponding to the data acquisition request according to a preset internal request format;
the searching unit is used for searching whether the local database corresponding to the data acquisition party has the record information corresponding to the internal request or not according to the internal request;
and the first feedback unit is used for taking the related data in the recorded information as target data and sending the target data to the internal system of the data acquisition party if the related data exists.
In an embodiment of the present invention, based on the foregoing solution, the method may further include:
the judging unit is used for judging whether first shared data corresponding to the internal request exists in a first block chain or not if the recording information corresponding to the internal request does not exist in a local database; the first block chain is a block chain corresponding to the data acquirer;
a second feedback unit, configured to, if first shared data corresponding to the internal request exists in the first block chain, send, when relevant data included in the first shared data is full-text plaintext information, the relevant data included in the first shared data to the data acquirer internal system; when the related data contained in the first shared data is not full-text plaintext information, generating an external request corresponding to the internal request according to a preset external request format;
a third feedback unit, configured to send the external request to a front node of a data owner corresponding to the first shared data, so that the front node executes a first operation according to the external request; the first operation includes: the external request is validated, when the external request passes the validation, second shared data corresponding to the external request is obtained, summary information of the external request and the second shared data is sent to a block chain network for consensus, and if the external request and the summary information of the second shared data pass the consensus, the second shared data is fed back;
and the receiving unit is used for receiving the second shared data fed back by the front node and sending the second shared data to the internal system of the data acquisition party.
In an embodiment of the present invention, based on the foregoing solution, the method may further include:
and the second acquiring unit is used for acquiring the incentive corresponding to the second shared data from the account of the data acquirer according to the incentive mechanism contained in the data sharing protocol, and sending part or all of the acquired incentive to the account of the data owner corresponding to the second shared data.
The embodiment of the invention also provides a storage medium, which comprises a stored instruction, wherein when the instruction runs, the device where the storage medium is located is controlled to execute the data sharing method.
An electronic device is provided in an embodiment of the present invention, and the structural diagram of the electronic device is shown in fig. 6, which specifically includes a memory 601 and one or more instructions 602, where the one or more instructions 602 are stored in the memory 601 and configured to be executed by one or more processors 603 to perform the following operations on the one or more instructions 602:
acquiring original data to be shared by a data owner, and determining the data type and the sharing form of the original data;
if classification information matched with the data type exists in a preset data sharing protocol, generating target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data;
generating shared data corresponding to the target data according to the target data and metadata information contained in the data sharing protocol; wherein the metadata information is used to describe the shared data;
determining each block chain corresponding to the data owner in a block chain network, and determining a target block chain from each block chain based on the data type of the shared data;
and sending the shared data to each node of the target block chain for storage.
It should be noted that, in the present specification, the embodiments are all described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functions of the units may be implemented in the same software and/or hardware or in a plurality of software and/or hardware when implementing the invention.
From the above description of the embodiments, it is clear to those skilled in the art that the present invention can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The data sharing method and apparatus, the storage medium, and the electronic device provided by the present invention are described in detail above, and a specific example is applied in the present document to explain the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A method for sharing data, comprising:
acquiring original data to be shared by a data owner, and determining the data type and the sharing form of the original data;
if classification information matched with the data type exists in a preset data sharing protocol, generating target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data;
generating shared data corresponding to the target data according to the target data and metadata information contained in the data sharing protocol; wherein the metadata information is used to describe the shared data;
determining each block chain corresponding to the data owner in a block chain network, and determining a target block chain from each block chain based on the data type of the shared data;
sending the shared data to each node of the target block chain for storage;
responding to a data acquisition request of an internal system of a data acquirer, and generating an internal request corresponding to the data acquisition request according to a preset internal request format;
according to the internal request, whether record information corresponding to the internal request exists in a local database corresponding to a data acquisition party is searched;
if the record information exists, the related data in the record information is sent to the internal system of the data acquisition party;
if the local database does not have the record information corresponding to the internal request, judging whether first shared data corresponding to the internal request exists in a first block chain or not; the first block chain is a block chain corresponding to the data acquirer;
if first shared data corresponding to the internal request exists in the first block chain, when relevant data contained in the first shared data is full-text plaintext information, sending the relevant data contained in the first shared data to the internal system of the data acquisition party; when the related data contained in the first shared data is not full-text plaintext information, generating an external request corresponding to the internal request according to a preset external request format;
sending the external request to a front node of a data owner corresponding to the first shared data, so that the front node executes a first operation according to the external request; the first operation includes: the external request is validated, when the external request passes the validation, second shared data corresponding to the external request is obtained, summary information of the external request and the second shared data is sent to a block chain network for consensus, and if the external request and the summary information of the second shared data pass the consensus, the second shared data is fed back;
and receiving second shared data fed back by the front node, and sending the second shared data to the internal system of the data acquisition party.
2. The method according to claim 1, wherein the generating target data corresponding to the original data according to the data sharing protocol and the shared form of the original data comprises:
generating first initial data corresponding to the original data according to the sharing form of the original data;
acquiring a format conversion strategy corresponding to the first initial data, and performing format conversion on the first initial data according to the format conversion strategy;
determining a preset data desensitization strategy corresponding to the first initial data, and processing the format-converted first initial data according to the data desensitization strategy to obtain second initial data;
determining a preset encryption strategy corresponding to the second initial data; the encryption strategy is used for indicating whether the second initial data is encrypted or not and indicating the encryption mode;
if the encryption strategy representation encrypts the second initial data, encrypting the second initial data according to an encryption mode contained in the encryption strategy to obtain target data; and if the encryption strategy representation does not encrypt the second initial data, taking the second initial data as target data.
3. The method according to claim 2, wherein the generating of the first initial data corresponding to the original data according to the shared form of the original data comprises:
if the sharing form of the original data is sharing abstract information, taking the abstract information of the original data as first initial data;
and if the sharing form of the original data is the sharing full-text information, taking the original data as the first initial data.
4. The method of claim 1, wherein sending the shared data to each node of the target block chain for storage comprises:
consensus is carried out on the shared data;
and if the shared data passes the consensus, sending the shared data to each node of the target block chain for storage.
5. The method of claim 1, wherein after sending the second shared data to the data acquirer internal system, further comprising:
and acquiring the incentive corresponding to the second shared data from the account of the data acquirer according to an incentive mechanism contained in the data sharing protocol, and transmitting part or all of the acquired incentive to the account of the data owner corresponding to the second shared data.
6. A data sharing apparatus, comprising:
the device comprises a first acquisition unit, a second acquisition unit and a third acquisition unit, wherein the first acquisition unit is used for acquiring original data to be shared by a data owner and determining the data type and the sharing form of the original data;
the first generation unit is used for generating target data corresponding to the original data according to the data sharing protocol and the sharing form of the original data if the classification information matched with the data type exists in the preset data sharing protocol;
the second generation unit is used for generating shared data corresponding to the target data according to the target data and metadata information contained in the data sharing protocol; wherein the metadata information is used to describe a data structure of the shared data;
a determining unit, configured to determine each block chain corresponding to the data owner in a block chain network, and determine a target block chain from each block chain based on a data type of the shared data;
a sending unit, configured to send the shared data to each node of the target block chain for storage;
the device is also used for responding to a data acquisition request of an internal system of a data acquirer and generating an internal request corresponding to the data acquisition request according to a preset internal request format; according to the internal request, whether record information corresponding to the internal request exists in a local database corresponding to a data acquisition party is searched; if the record information exists, the related data in the record information is sent to the internal system of the data acquisition party; if the local database does not have the record information corresponding to the internal request, judging whether first shared data corresponding to the internal request exists in a first block chain or not; the first block chain is a block chain corresponding to the data acquirer; if first shared data corresponding to the internal request exists in the first block chain, when relevant data contained in the first shared data is full-text plaintext information, sending the relevant data contained in the first shared data to the internal system of the data acquisition party; when the related data contained in the first shared data is not full-text plaintext information, generating an external request corresponding to the internal request according to a preset external request format; sending the external request to a front node of a data owner corresponding to the first shared data, so that the front node executes a first operation according to the external request; the first operation includes: the external request is validated, when the external request passes the validation, second shared data corresponding to the external request is obtained, summary information of the external request and the second shared data is sent to a block chain network for consensus, and if the external request and the summary information of the second shared data pass the consensus, the second shared data is fed back; and receiving second shared data fed back by the front node, and sending the second shared data to the internal system of the data acquisition party.
7. A storage medium comprising stored instructions, wherein the instructions, when executed, control a device on which the storage medium resides to perform a data sharing method according to any one of claims 1 to 5.
8. An electronic device comprising a memory and one or more instructions, wherein the one or more instructions are stored in the memory and configured to be executed by the one or more processors to perform the data sharing method of any one of claims 1-5.
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