CN112579702B - Block chain-based shielding information management method, block chain-based shielding information management device, block chain-based shielding information management equipment and storage medium - Google Patents
Block chain-based shielding information management method, block chain-based shielding information management device, block chain-based shielding information management equipment and storage medium Download PDFInfo
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
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Abstract
The application provides a block chain-based shielding information management method, device, equipment and storage medium; the block chain-based shielding information management method in the application comprises the following steps: receiving an operation instruction, and acquiring a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number; determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating a new transaction corresponding to the target shielding information; associating the masked version number with the new transaction and linking to a target version number before the masked version number; according to the method and the device, the target shielding information is determined according to the operation shielding information and the transaction linked before the shielding version number, and the new transaction corresponding to the target shielding information is generated, so that repeated storage of part of shielding information is reduced, occupation of storage space is reduced, and operating efficiency of the intelligent contract is guaranteed.
Description
Technical Field
The present application relates to the field of information shielding technologies, and in particular, to a block chain-based shielding information management method, apparatus, device, and storage medium.
Background
The block chain technology, also called as distributed ledger technology, is an emerging technology that a plurality of computers participate in accounting together and maintain a complete distributed database together. The blockchain technology has been widely used in many fields due to its characteristics of decentralization, transparency, participation of each computing device in database records, and rapid data synchronization between computing devices.
The variety and the quantity of the stored information in the block chain are various, the stored information comprises key information such as personal identity information, bank account information, transaction password information and the like, and the key information in the block chain needs to be shielded in order to prevent the key information from being leaked or tampered; in order to ensure the security of the stored information, a mode of dynamically shielding the key information is adopted, so that the shielding information generated by each operation is not completely the same, and the shielding information at each time needs to be stored, however, because the shielding information stored at each time has the same part and is repeatedly stored, the storage capacity of the intelligent contract in the block chain is large, and the operation efficiency of the intelligent contract is reduced due to inconvenient query operation.
Disclosure of Invention
The application provides a block chain-based shielding information management method, a block chain-based shielding information management device, equipment and a storage medium, and aims to solve the technical problems that part of the same shielding information is repeatedly stored, so that the storage capacity of an intelligent contract in a block chain is large, and the running efficiency of the intelligent contract is reduced due to inconvenient query operation.
In one aspect, the present application provides a block chain-based mask information management method, where the block chain-based mask information management method includes the following steps:
receiving an operation instruction, and acquiring a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number;
determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating a new transaction corresponding to the target shielding information;
associating the masked version number with the new transaction and linking to a target version number prior to the masked version number.
In some embodiments of the present application, the determining target mask information according to the transaction linked before the operation mask information and the mask version number, and generating a new transaction corresponding to the target mask information includes:
if the operation shielding information is the added shielding character, acquiring the data volume of the operation shielding information;
if the data volume of the operation shielding information is smaller than or equal to a preset threshold value, taking the operation shielding information as target shielding information, and generating a new transaction corresponding to the target shielding information;
and if the data volume of the operation shielding information is larger than a preset threshold value, compressing the operation shielding information and the historical shielding information to be used as target shielding information, and generating a new transaction corresponding to the target shielding information.
In some embodiments of the present application, if the data size of the operation mask information is greater than a preset threshold, compressing the operation mask information and the historical mask information as target mask information, and generating a new transaction corresponding to the target mask information, includes:
if the data volume of the operation shielding information is larger than a preset threshold value, judging whether all the data volumes of the history shielding information which is connected recently before the shielding version number are smaller than a preset compression threshold value;
if the data volume of the historical shielding information is not smaller than the preset compression threshold, respectively compressing the operation shielding information and the historical shielding information to serve as target shielding information, and generating a new transaction corresponding to the target shielding information;
if the data volume of the historical shielding information is all smaller than the preset compression threshold, compressing the operation shielding information and the historical shielding information together to serve as target shielding information, and generating a new transaction corresponding to the target shielding information.
In some embodiments of the present application, the determining target mask information according to the transaction linked before the operation mask information and the mask version number, and generating a new transaction corresponding to the target mask information includes:
if the operation shielding information is the deleted shielding character, tracing the target transaction corresponding to the operation shielding information along the shielding version number;
if the target transaction only comprises the operation shielding information, rejecting the target transaction;
and if the target transaction comprises other shielding information except the operation shielding information, deleting the operation shielding information in the target transaction to obtain the target shielding information, and generating a new transaction corresponding to the target shielding information.
In some embodiments of the subject application, said associating said masked version number with said new transaction and linking to a target version number preceding said masked version number comprises:
taking the shielding version number as a key, taking the new transaction as a value, and associating the new transaction with the shielding version number to form a key-value pair;
pointing the key-value pair to a target version number preceding the mask version number.
In some embodiments of the present application, the receiving an operation instruction, obtaining a mask version number corresponding to the operation instruction, and operation mask information associated with the mask version number includes:
receiving an operation instruction, acquiring a shielding version number corresponding to the operation instruction, and judging whether the shielding version number is a target version number or not;
if the shielding version number is a target version number, generating operation shielding information corresponding to the shielding version number, and storing the operation shielding information and the shielding version number in an intelligent contract after associating the operation shielding information and the shielding version number;
and if the shielding version number is not the target version number, acquiring operation shielding information associated with the shielding version number.
In some embodiments of the present application, if the mask version number is a target version number, generating operation mask information corresponding to the mask version number, and storing the operation mask information and the mask version number in an intelligent contract after associating the operation mask information with the mask version number, includes:
if the shielding version number is a target version number, acquiring a preset shielding strategy and initial transaction information corresponding to the shielding version number in a block chain;
extracting key character information in the initial transaction information according to the preset shielding strategy;
and summarizing the key character information to generate operation shielding information corresponding to the shielding version number, and storing the operation shielding information and the shielding version number after being associated to an intelligent contract.
In another aspect, the present application provides a block chain-based mask information management apparatus, including:
the request receiving module is used for receiving an operation instruction, and acquiring a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number;
the transaction generation module is used for determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number and generating a new transaction corresponding to the target shielding information;
and the association linking module is used for associating the shielding version number with the new transaction and linking the shielding version number to a target version number before the shielding version number.
On the other hand, the present application further provides a block chain-based mask information management device, where the block chain-based mask information management device includes:
one or more processors;
a memory; and
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the processor to implement the block chain based masking information management method.
In another aspect, the present application further provides a storage medium, on which a computer program is stored, where the computer program is loaded by a processor to execute the steps in the block chain-based mask information management method.
In the technical scheme of the embodiment of the application, an operation instruction is received, and a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number are obtained; determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating a new transaction corresponding to the target shielding information; associating the masked version number with the new transaction and linking to a target version number before the masked version number; according to the technical scheme, the target shielding information is determined according to the transaction linked before the operation shielding information and the shielding version number, a new transaction corresponding to the target shielding information is generated, the partial shielding information repeated by the operation shielding information and the historical shielding information is eliminated, repeated storage of the shielding information is avoided, the occupation of a storage space is reduced, meanwhile, the shielding version number is associated with the new transaction and is linked to the target version number before the shielding version number, and quick inquiry and tracing are facilitated, so that the operating efficiency of the intelligent contract is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a scenario of block chain-based mask information management provided in an embodiment of the present application;
fig. 2 is a flowchart illustrating an embodiment of a block chain-based mask information management method provided in an embodiment of the present application;
fig. 3 is a schematic diagram of a specific scenario of shielding information in an embodiment of a block chain-based shielding information management method in the present application;
fig. 4 is a schematic flowchart of an embodiment of adding a mask character in the block chain-based mask information management method provided in the embodiment of the present application;
fig. 5 is a schematic flowchart of an embodiment of deleting a mask character in the block chain-based mask information management method provided in the embodiment of the present application;
fig. 6 is a schematic flowchart of an embodiment of obtaining operation mask information in the block chain-based mask information management method provided in the embodiment of the present application;
fig. 7 is a schematic structural diagram of an embodiment of a block chain-based mask information management apparatus provided in an embodiment of the present application;
fig. 8 is a schematic structural diagram of an embodiment of a block chain-based mask information management device provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, 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 inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Embodiments of the present application provide a block chain-based mask information management method, apparatus, device, and storage medium, which are described in detail below.
The block chain-based mask information management method is applied to a block chain-based mask information management device, the block chain-based mask information management device is arranged on a block chain-based mask information management device, and one or more processors, memories and one or more application programs are arranged in the block chain-based mask information management device, wherein the one or more application programs are stored in the memories and are configured to be executed by the processors to realize the block chain-based mask information management method; the block chain-based shielding information management device may be a terminal, such as a mobile phone or a tablet computer, and the block chain-based shielding information management device may also be a server or a service cluster formed by multiple servers.
As shown in fig. 1, fig. 1 is a schematic view of a block chain based mask information management scenario according to an embodiment of the present invention, a block chain based mask information management scenario in the embodiment of the present invention includes a block chain based mask information management device 100 (a block chain based mask information management apparatus is integrated in the block chain based mask information management device 100), and a block chain based mask information management corresponding to block chain based mask information management is executed in the block chain based mask information management device 100, so as to execute a block chain based mask information management step.
It should be understood that the block chain based mask information management device in the block chain based mask information management scenario shown in fig. 1, or a device included in the block chain based mask information management device, does not limit the embodiment of the present invention, that is, the number of devices and the type of devices included in the block chain based mask information management scenario, or the number of devices and the type of devices included in each device do not affect the overall implementation of the technical solution in the embodiment of the present invention, and may be regarded as an equivalent replacement or derivative of the technical solution claimed in the embodiment of the present invention.
The block chain-based shielding information management device 100 in the embodiment of the present invention is mainly configured to:
receiving an operation instruction, and acquiring a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number;
determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating a new transaction corresponding to the target shielding information;
associating the masked version number with the new transaction and linking to a target version number prior to the masked version number.
The block chain-based mask information management device 100 in this embodiment of the present invention may be an independent block chain-based mask information management device, or may be a block chain-based mask information management device network or a block chain-based mask information management device cluster that is composed of block chain-based mask information management devices, for example, the block chain-based mask information management device 100 described in this embodiment of the present invention includes, but is not limited to, a computer, a network host, a single network block chain-based mask information management device, a plurality of network block chain-based mask information management device sets, or a cloud block chain-based mask information management device that is composed of a plurality of block chain-based mask information management devices. The Cloud block chain-based shielding information management device is composed of a large number of computers based on Cloud Computing (Cloud Computing) or a network block chain-based shielding information management device.
Those skilled in the art can understand that the application environment shown in fig. 1 is only one application scenario of the present application, and does not constitute a limitation on the application scenario of the present application, and that other application environments may further include more or less block chain-based mask information management devices than those shown in fig. 1, or a network connection relationship between block chain-based mask information management devices, for example, only 1 block chain-based mask information management device is shown in fig. 1, and it can be understood that the block chain-based mask information management scenario may further include one or more other block chain-based mask information management devices, which is not limited herein; the block chain-based mask information management apparatus 100 may further include a memory therein.
In addition, in the scenario of block chain-based mask information management, the block chain-based mask information management device 100 may be configured with a display device, or the block chain-based mask information management device 100 is not configured with a display device in communication connection with an external display device 200, and the display device 200 is configured to output a result of block chain-based mask information management method executed in the block chain-based mask information management device. The blocking information management device 100 based on the block chain may access a background database 300 (the background database may be in a local memory of the blocking information management device based on the block chain, and may also be set in a cloud end), and information related to blocking information management based on the block chain is stored in the background database 300.
It should be noted that the scene diagram of the block chain-based mask information management shown in fig. 1 is only an example, and the scene of the block chain-based mask information management described in the embodiment of the present invention is for more clearly illustrating the technical solution of the embodiment of the present invention, and does not limit the technical solution provided by the embodiment of the present invention.
Based on the above block chain-based mask information management scenario, an embodiment of a block chain-based mask information management method is proposed.
As shown in fig. 2, fig. 2 is a schematic flowchart of an embodiment of a block chain-based mask information management method in this embodiment, where the block chain-based mask information management method includes steps 201 to 203:
201, receiving an operation instruction, and acquiring a mask version number corresponding to the operation instruction and operation mask information associated with the mask version number.
The block chain-based shielding information management method in this embodiment is applied to a block chain-based shielding information management device, which is also called a node device in a block chain, and the type of the block chain-based shielding information management device is not specifically limited, for example, the block chain-based shielding information management device may be a terminal or a server, which is described in this embodiment by taking the terminal as an example.
The terminal receives an operation instruction, wherein the operation instruction can be actively triggered by a user, for example, the user clicks a 'xxx operation' key on a terminal display interface to actively trigger the operation instruction; in addition, the operation instruction may also be automatically triggered by the terminal, for example, the triggering condition of the operation instruction preset in the terminal is: automatically triggering every morning; when the terminal detects that the terminal is in the morning every day, the terminal automatically triggers an operation instruction.
The method comprises the steps that a terminal receives an operation instruction, the terminal calls an intelligent contract to execute transaction according to the operation instruction, the terminal determines initial transaction information corresponding to transaction operation, the terminal obtains a historical operation record associated with the initial transaction information, the terminal determines a shielding version number of the transaction information according to the historical operation record, for example, if the historical operation record is empty, the shielding version number is a target version number (the target version number is the initial version number plus one, if the initial version number is zero, the target version number is 1), if the historical operation record is not empty, the terminal obtains the latest historical version number, and the terminal adds one to the historical version number to obtain the shielding version number.
After the terminal acquires the mask version number corresponding to the operation instruction, the terminal acquires operation mask information associated with the mask version number, that is, operation mask information corresponding to different mask version numbers of the transaction information is preset in the block chain, where the type and quantity of the operation mask information are not limited, for example, the operation mask information is a mask word list including different key characters.
202, determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating a new transaction corresponding to the target shielding information.
The terminal determines target shielding information according to the operation shielding information and the transaction linked before the shielding version number, namely, the terminal analyzes the operation shielding information, eliminates part of repeated operation shielding information to obtain the target shielding information, and generates a new transaction corresponding to the target shielding information.
In this embodiment, the number of transactions linked before the shielding version number may be one or more, the terminal obtains all history version numbers before the shielding version number, compares the operation shielding information with the transaction corresponding to the history version number closest to the shielding version number, or compares the operation shielding information with the transactions corresponding to the history version numbers respectively to obtain similar history shielding information having the highest coincidence degree with the operation shielding information, compares the operation shielding information with the similar history shielding information to obtain target shielding information, and generates a new transaction corresponding to the target shielding information so as to effectively avoid the phenomenon of repeated storage.
203, associating said masked version number with said new transaction and linking to a target version number preceding said masked version number.
The terminal associates the shielding version number with a new transaction, acquires a historical version number before the shielding version number, analyzes each historical version number to determine a target version number (for example, the terminal takes the latest historical version number in the historical version numbers as the target version number, and for example, the terminal takes the historical version number corresponding to similar historical shielding information with the highest overlap ratio of operation shielding information as the target version number), acquires pointer position information corresponding to the target version number, and links the associated shielding version number with the new transaction to the target version number; specifically, the method comprises the following steps:
(1) Taking the shielding version number as a key, taking the new transaction as a value, and associating the new transaction with the shielding version number to form a key-value pair;
(2) And pointing the key-value pair to a target version number before the mask version number.
For convenience of understanding, the present application provides a specific implementation manner of a block chain-based mask information management method, and referring to fig. 3, fig. 3 is a schematic diagram of a specific scene of mask information in an embodiment of a block chain-based mask information management method in this application.
In this embodiment, the terminal determines that the operation shielding information is an increased shielding character, and the terminal determines whether the initial transaction information has associated history shielding information; if the initial transaction information does not have associated historical shielding information, the terminal generates a new transaction, the terminal extracts shielding Key characters from the new transaction to serve as operation shielding information, the terminal obtains TxHash (transaction Hash) of the transaction, the terminal adds one to zero of the initial version number to serve as a shielding version number, the terminal uses the shielding version number as a Key terminal and uses the operation shielding information as a Value (Value), and the terminal stores the operation shielding information in an intelligent contract according to a Key-Value mode; if the initial transaction information has the associated historical shielding information, the terminal firstly checks the data volume of the operation shielding information, if the data volume exceeds a threshold value, the latest linked transaction is checked, and the terminal judges whether the data volume of the historical shielding information in the latest linked transaction is smaller than a compression threshold value; if the data volume of the historical shielding information in the latest linked transactions is smaller than the compression threshold, the terminal places the keywords of the batch into the same new transaction, associates the shielding version number with the new transaction and links to the target version number before the shielding version number, and later-stage query is facilitated.
The terminal determines that the operation shielding information is the deleted key character, as shown in fig. 3, the terminal finds the operation shielding information corresponding to the current shielding version number and the shielding version number, for example, fig. 3, the operation shielding information TxHash (set as Tx 5), and finds the Tx5 position having the operation shielding information through a chain backtracking method, if the transaction only has the operation shielding information, the terminal rejects the transaction in the chain, otherwise, a new transaction is generated for the keyword list from which the F is rejected, the terminal then backtracks and copies the keywords from the version head node again until the Tx5, and finally, links all the generated new transactions.
In the technical scheme of the embodiment, an operation instruction is received, and a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number are obtained; determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating a new transaction corresponding to the target shielding information; associating the masked version number with the new transaction and linking to a target version number before the masked version number; according to the technical scheme, the target shielding information is determined according to the transaction linked before the operation shielding information and the shielding version number, a new transaction corresponding to the target shielding information is generated, the partial shielding information repeated by the operation shielding information and the historical shielding information is eliminated, repeated storage of the shielding information is avoided, the occupation of a storage space is reduced, meanwhile, the shielding version number is associated with the new transaction and is linked to the target version number before the shielding version number, and quick inquiry and tracing are facilitated, so that the operating efficiency of the intelligent contract is guaranteed.
Referring to fig. 4, fig. 4 is a schematic flowchart of an embodiment of adding mask character information in the block chain-based mask information management method provided in the embodiment of the present application;
in some embodiments of the present application, a block chain-based mask information management method includes steps 301 to 303:
301, if the operation masking information is an increased masking character, acquiring the data size of the operation masking information.
If the operation shielding information is the increased shielding character, the terminal acquires the data volume of the operation shielding information, the terminal compares the data volume of the operation shielding information with a preset threshold (the preset threshold is a storage mode critical value of the operation shielding information, if the information volume of the operation shielding information is less than or equal to the preset threshold, the information volume of the operation shielding information is less, the terminal can directly store the operation shielding information as target shielding information, if the information volume of the operation shielding information is greater than the preset threshold, the terminal can compress the operation shielding information and historical shielding information as target shielding information and store the target shielding information, so that the target shielding information is more convenient to inquire, the preset threshold can be set according to a specific scene, for example, the preset threshold is set to be 1M) to compare, so as to determine an operation shielding information processing mode according to the data volume of the operation shielding information, specifically,
and 302, if the data volume of the operation shielding information is less than or equal to a preset threshold, taking the operation shielding information as target shielding information, and generating a new transaction corresponding to the target shielding information.
If the data size of the operation shielding information is smaller than or equal to the preset threshold, the terminal takes the operation shielding information as target shielding information and generates a new transaction corresponding to the target shielding information.
303, if the data size of the operation shielding information is greater than a preset threshold, compressing the operation shielding information and the history shielding information to obtain target shielding information, and generating a new transaction corresponding to the target shielding information.
If the data size of the operation shielding information is larger than the preset threshold value, the operation shielding information and the historical shielding information are respectively compressed to be used as target shielding information, and new transactions corresponding to the target shielding information are generated, in the embodiment, the operation shielding information and the historical shielding information are compressed to be used as the target shielding information, so that the storage space is fully utilized, meanwhile, later-stage query is facilitated, and the execution efficiency of the intelligent contract is improved, specifically, the method comprises the following steps:
step a1, if the data volume of the operation shielding information is larger than a preset threshold, judging whether the data volume of the latest connected historical shielding information before the shielding version number is smaller than a preset compression threshold;
step a2, if the data volume of the historical shielding information is not smaller than the preset compression threshold, respectively compressing the operation shielding information and the historical shielding information as target shielding information, and generating a new transaction corresponding to the target shielding information;
and a3, if the data volume of the historical shielding information is all smaller than the preset compression threshold, compressing the operation shielding information and the historical shielding information together to serve as target shielding information, and generating a new transaction corresponding to the target shielding information.
If the data volume of the operation shielding information is larger than the preset threshold, the terminal judges whether the data volume of the history shielding information which is connected recently before the shielding version number is smaller than the preset compression threshold; if the data volume of the historical shielding information is not less than the preset compression threshold, compressing the operation shielding information and the historical shielding information respectively, taking the compressed operation shielding information and the compressed historical shielding information as target shielding information by the terminal, and generating a new transaction corresponding to the target shielding information by the terminal; and if the data volume of the historical shielding information is smaller than the preset compression threshold value, the terminal compresses the operation shielding information and the historical shielding information together to serve as target shielding information, and the terminal generates a new transaction corresponding to the target shielding information.
In the embodiment, when the key character information is added correspondingly to the operation instruction, the terminal determines the target shielding information according to the database amount of the operation shielding, so that the storage space utilization rate is improved, the query operation is facilitated, and the intelligent contract execution efficiency is ensured.
Referring to fig. 5, fig. 5 is a schematic flowchart of an embodiment of deleting masked character information in the block chain-based masked information management method provided in the embodiment of the present application.
In some embodiments of the present application, a block chain-based mask information management method includes steps 401 to 403:
401, if the operation shielding information is a deleted shielding character, tracing the target transaction containing the operation shielding information along the shielding version number.
If the operation shielding information is the deleted shielding character, the terminal traces back the target transaction corresponding to the operation shielding information along the shielding version number, that is, the terminal determines that the operation shielding information is the deleted shielding character, and determines that the block chain stores the historical shielding information.
After the terminal finds the target transaction, the terminal judges whether the target transaction only comprises the operation shielding information, and the terminal determines a specific processing mode according to the information condition contained in the target transaction, namely,
402, if the target transaction only includes the operation shielding information, rejecting the target transaction.
If the target transaction only comprises the operation shielding information, the terminal rejects the target transaction, and deletes the target transaction which is formed historically and contains the operation shielding information, so that the situation of repeated storage in the operation shielding information is effectively avoided.
403, if the target transaction includes other shielding information except the operation shielding information, deleting the operation shielding information in the target transaction to obtain target shielding information, and generating a new transaction corresponding to the target shielding information.
And if the target transaction comprises other shielding information except the operation shielding information, deleting the operation shielding information in the target transaction by the terminal to obtain the target shielding information, and generating a new transaction corresponding to the target shielding information by the terminal. In this embodiment, when the operation instruction deletes the key character information correspondingly, the terminal traces back the target transaction corresponding to the operation shielding information along the shielding version number, and if the target transaction only includes the operation shielding information, the terminal may store the operation shielding information in a manner of deleting the target transaction including the operation shielding information, thereby effectively avoiding a situation of repeatedly storing the operation shielding information, reducing storage pressure, and if the target transaction includes other shielding information except the operation shielding information, the terminal deletes the operation shielding information in the target transaction to obtain the target shielding information, and facilitates query operation for a new transaction corresponding to the terminal target shielding information.
Referring to fig. 6, fig. 6 is a schematic flowchart of an embodiment of obtaining operation mask information in the block chain-based mask information management method provided in the embodiment of the present application.
In some embodiments of the present application, a block chain-based mask information management method includes steps 501 to 503:
501, receiving an operation instruction, obtaining a shielding version number corresponding to the operation instruction, and judging whether the shielding version number is a target version number.
The terminal receives the operation instruction, acquires a shielding version number corresponding to the operation instruction, and judges whether the shielding version number is a target version number, wherein the target version number is an initial version number plus one, and if the shielding version number is the target version number, historical shielding information does not exist before the operation instruction; if the mask version number is not the target version number, the historical mask information exists before the operation instruction.
And 502, if the shielding version number is a target version number, generating operation shielding information corresponding to the shielding version number, and storing the operation shielding information and the shielding version number into an intelligent contract after associating the operation shielding information with the shielding version number.
And if the shielding version number is the target version number, the terminal generates operation shielding information corresponding to the shielding version number, and the terminal stores the operation shielding information and the shielding version number into the intelligent contract after associating the operation shielding information with the shielding version number. Specifically, the method comprises the following steps:
step b1, if the shielding version number is a target version number, acquiring a preset shielding strategy and initial transaction information corresponding to the shielding version number in a block chain;
b2, extracting key character information in the initial transaction information according to the preset shielding strategy;
and b3, summarizing the key character information to generate operation shielding information corresponding to the shielding version number, and storing the operation shielding information and the shielding version number into an intelligent contract after being associated.
That is, if the shielding version number is the target version number, the terminal obtains a preset shielding policy (that is, a shielding policy set is set in the block chain, where the shielding policy set includes different shielding policies, for example, the shielding policy 1 is to shield personal privacy information, the shielding policy 2 is to shield finished transaction information, the shielding policy 3 is to shield politically sensitive information, and so on, and the terminal selects one or more preset shielding policies according to the shielding version number) and initial transaction information, where the preset shielding policy corresponds to the shielding version number in the block chain; the terminal extracts key character information in the initial transaction information according to a preset shielding strategy; and the terminal collects the key character information to generate operation shielding information corresponding to the shielding version number, and the terminal associates the operation shielding information with the shielding version number and then stores the operation shielding information and the shielding version number into the intelligent contract.
503, if the mask version number is not the target version number, obtaining the operation mask information associated with the mask version number.
If the shielding version number is not the target version number, the terminal obtains the operation shielding information associated with the shielding version number, and in this embodiment, the operation shielding information is determined according to the shielding version number, so as to implement dynamic shielding.
Referring to fig. 7, fig. 7 is a schematic structural diagram of an embodiment of a block chain-based mask information management apparatus.
In order to better implement the block chain-based mask information management method in the embodiment of the present application, on the basis of the block chain-based mask information management method, an embodiment of the present application further provides a block chain-based mask information management apparatus, where the block chain-based mask information management apparatus includes:
a request receiving module 601, configured to receive an operation instruction, and obtain a mask version number corresponding to the operation instruction and operation mask information associated with the mask version number;
a transaction generating module 602, configured to determine target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generate a new transaction corresponding to the target shielding information;
an association linking module 603, configured to associate the masked version number with the new transaction, and link to a target version number before the masked version number.
In some embodiments of the present application, the transaction generation module 602 includes:
if the operation shielding information is the added shielding character, acquiring the data volume of the operation shielding information;
if the data volume of the operation shielding information is smaller than or equal to a preset threshold value, taking the operation shielding information as target shielding information, and generating a new transaction corresponding to the target shielding information;
and if the data volume of the operation shielding information is larger than a preset threshold value, compressing the operation shielding information and the historical shielding information to be used as target shielding information, and generating a new transaction corresponding to the target shielding information.
In some embodiments of the present application, in the transaction generating module 602, if the data amount of the operation mask information is greater than a preset threshold, compressing the operation mask information and the history mask information to be target mask information, and generating a new transaction corresponding to the target mask information includes:
if the data volume of the operation shielding information is larger than a preset threshold value, judging whether all the data volumes of the history shielding information which is connected recently before the shielding version number are smaller than a preset compression threshold value;
if the data volume of the historical shielding information is not smaller than the preset compression threshold, respectively compressing the operation shielding information and the historical shielding information to serve as target shielding information, and generating a new transaction corresponding to the target shielding information;
if the data volume of the historical shielding information is all smaller than the preset compression threshold, compressing the operation shielding information and the historical shielding information together to serve as target shielding information, and generating a new transaction corresponding to the target shielding information.
In some embodiments of the present application, the transaction generation module 602 includes:
if the operation shielding information is the deleted shielding character, tracing the target transaction corresponding to the operation shielding information along the shielding version number;
if the target transaction only comprises the operation shielding information, rejecting the target transaction;
and if the target transaction comprises other shielding information except the operation shielding information, deleting the operation shielding information in the target transaction to obtain the target shielding information, and generating a new transaction corresponding to the target shielding information.
In some embodiments of the present application, the association linking module 603 includes:
taking the shielding version number as a key, taking the new transaction as a value, and associating the new transaction with the shielding version number to form a key-value pair;
pointing the key-value pair to a target version number preceding the mask version number.
In some embodiments of the present application, the receiving operation instruction 601 includes:
receiving an operation instruction, acquiring a shielding version number corresponding to the operation instruction, and judging whether the shielding version number is a target version number or not;
if the shielding version number is a target version number, generating operation shielding information corresponding to the shielding version number, and storing the operation shielding information and the shielding version number in an intelligent contract after associating the operation shielding information and the shielding version number;
and if the shielding version number is not the target version number, acquiring operation shielding information associated with the shielding version number.
In some embodiments of the present application, in the receiving the operation instruction 601, if the mask version number is a target version number, generating operation mask information corresponding to the mask version number, and storing the operation mask information and the mask version number in an intelligent contract after associating the operation mask information with the mask version number includes:
if the shielding version number is a target version number, acquiring a preset shielding strategy and initial transaction information corresponding to the shielding version number in a block chain;
extracting key character information in the initial transaction information according to the preset shielding strategy;
and summarizing the key character information to generate operation shielding information corresponding to the shielding version number, and storing the operation shielding information and the shielding version number after being associated to an intelligent contract.
In this embodiment, a block chain-based shielding information management apparatus receives an operation instruction, and obtains a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number; determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating a new transaction corresponding to the target shielding information; associating the masked version number with the new transaction and linking to a target version number before the masked version number; according to the technical scheme, the target shielding information is determined according to the transaction linked before the operation shielding information and the shielding version number, a new transaction corresponding to the target shielding information is generated, the partial shielding information repeated by the operation shielding information and the historical shielding information is eliminated, repeated storage of the shielding information is avoided, the occupation of a storage space is reduced, meanwhile, the shielding version number is associated with the new transaction and is linked to the target version number before the shielding version number, and quick inquiry and tracing are facilitated, so that the operating efficiency of the intelligent contract is guaranteed.
An embodiment of the present invention further provides a block chain-based mask information management device, as shown in fig. 8, fig. 8 is a schematic structural diagram of an embodiment of the block chain-based mask information management device provided in this embodiment of the present application.
The block chain-based shielding information management device integrates any block chain-based shielding information management apparatus provided by the embodiment of the present invention, and the block chain-based shielding information management device includes:
one or more processors;
a memory; and
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the processor as steps of the block chain based mask information management method in any of the above block chain based mask information management method embodiments.
Specifically, the method comprises the following steps: the block chain-based mask information management apparatus may include components such as a processor 701 of one or more processing cores, a memory 702 of one or more storage media, a power supply 703, and an input unit 704. Those skilled in the art will appreciate that the block chain based mask information management device structure shown in fig. 8 does not constitute a limitation of the block chain based mask information management device, and may include more or less components than those shown, or combine some components, or a different arrangement of components. Wherein:
the processor 701 is a control center of the block chain based mask information management device, connects various parts of the entire block chain based mask information management device by using various interfaces and lines, and executes various functions and processes data of the block chain based mask information management device by running or executing software programs and/or modules stored in the memory 702 and calling data stored in the memory 702, thereby performing overall monitoring of the block chain based mask information management device. Alternatively, processor 701 may include one or more processing cores; preferably, the processor 701 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 701.
The memory 702 may be used to store software programs and modules, and the processor 701 executes various functional applications and data processing by operating the software programs and modules stored in the memory 702. The memory 702 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data created according to the use of the block chain-based mask information management apparatus, and the like. Further, the memory 702 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device. Accordingly, the memory 702 may also include a memory controller to provide the processor 701 with access to the memory 702.
The device for managing shielding information based on the block chain further includes a power supply 703 for supplying power to each component, and preferably, the power supply 703 may be logically connected to the processor 701 through a power management system, so that functions of managing charging, discharging, power consumption management, and the like are implemented through the power management system. The power supply 703 may also include any component including one or more of a dc or ac power source, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator, and the like.
The blockchain-based screening information management apparatus may further include an input unit 704, and the input unit 704 may be used to receive input numeric or character information and generate a keyboard, mouse, joystick, optical or trackball signal input related to user setting and function control.
Although not shown, the block chain-based mask information management apparatus may further include a display unit and the like, which are not described in detail herein. Specifically, in this embodiment, the processor 701 in the device for managing shielding information based on a block chain may load an executable file corresponding to a process of one or more application programs into the memory 702 according to the following instructions, and the processor 701 runs the application program stored in the memory 702, thereby implementing various functions as follows:
receiving an operation instruction, and acquiring a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number;
determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating a new transaction corresponding to the target shielding information;
associating the masked version number with the new transaction and linking to a target version number prior to the masked version number.
It will be understood by those skilled in the art that all or part of the steps in the methods of the above embodiments may be performed by instructions or by instructions controlling associated hardware, and the instructions may be stored in a storage medium and loaded and executed by a processor.
To this end, an embodiment of the present invention provides a storage medium, which may include: read Only Memory (ROM), random Access Memory (RAM), magnetic or optical disks, and the like. The block chain based mask information management method comprises a block chain based mask information management module, a block chain based mask information management module and a block chain based mask information management module. For example, the computer program may be loaded by a processor to perform the steps of:
receiving an operation instruction, and acquiring a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number;
determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating a new transaction corresponding to the target shielding information;
associating the masked version number with the new transaction and linking to a target version number prior to the masked version number.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and parts that are not described in detail in a certain embodiment may refer to the above detailed descriptions of other embodiments, and are not described herein again.
In a specific implementation, each unit or structure may be implemented as an independent entity, or may be combined arbitrarily to be implemented as one or several entities, and the specific implementation of each unit or structure may refer to the foregoing method embodiment, which is not described herein again.
The above operations can be implemented in the foregoing embodiments, and are not described in detail herein.
The above detailed description is provided for a block chain-based mask information management method provided in the embodiments of the present application, and a specific example is applied in the present application to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for those 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 (9)
1. A block chain-based mask information management method is characterized in that the block chain-based mask information management method comprises the following steps:
receiving an operation instruction, and acquiring a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number;
determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating new transaction information corresponding to the target shielding information;
associating the masked version number with the new transaction information and linking to a target version number before the masked version number;
the obtaining of the mask version number corresponding to the operation instruction includes: if the historical operation record is not empty, adding one to the latest historical version number to be set as a shielding version number, and taking the latest historical version number as a target version number;
the determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number, and generating new transaction information corresponding to the target shielding information includes:
if the operation shielding information is the added shielding character, acquiring the data volume of the operation shielding information;
if the data volume of the operation shielding information is smaller than or equal to a preset threshold value, taking the operation shielding information as target shielding information, and generating new transaction information corresponding to the target shielding information;
and if the data volume of the operation shielding information is larger than a preset threshold value, compressing the operation shielding information and historical shielding information to be used as target shielding information, and generating new transaction information corresponding to the target shielding information.
2. The block chain-based mask information management method according to claim 1, wherein if the data size of the operation mask information is greater than a preset threshold, compressing the operation mask information and historical mask information as target mask information, and generating new transaction information corresponding to the target mask information, includes:
if the data volume of the operation shielding information is larger than a preset threshold value, judging whether all the data volumes of the history shielding information which is connected recently before the shielding version number are smaller than a preset compression threshold value;
if the data volume of the historical shielding information is not smaller than the preset compression threshold, compressing the operation shielding information and the historical shielding information respectively to serve as target shielding information, and generating new transaction information corresponding to the target shielding information;
if the data volume of the historical shielding information is all smaller than the preset compression threshold, compressing the operation shielding information and the historical shielding information together to serve as target shielding information, and generating new transaction information corresponding to the target shielding information.
3. The block chain-based mask information management method according to claim 1, wherein the determining target mask information according to the operation mask information and the transaction linked before the mask version number, and generating new transaction information corresponding to the target mask information includes:
if the operation shielding information is the deleted shielding character, tracing the target transaction corresponding to the operation shielding information along the shielding version number;
if the target transaction only comprises the operation shielding information, rejecting the target transaction;
and if the target transaction comprises other shielding information except the operation shielding information, deleting the operation shielding information in the target transaction to obtain the target shielding information, and generating new transaction information corresponding to the target shielding information.
4. The block chain-based mask information management method according to claim 1, wherein the associating the mask version number with the new transaction information and linking to a target version number before the mask version number includes:
taking the shielding version number as a key, taking the new transaction information as a value, and associating the new transaction information with the shielding version number to form a key-value pair;
pointing the key-value pair to a target version number preceding the mask version number.
5. The block chain-based shielding information management method according to any one of claims 1 to 4, wherein the receiving an operation instruction, obtaining a shielding version number corresponding to the operation instruction, and operation shielding information associated with the shielding version number includes:
receiving an operation instruction, acquiring a shielding version number corresponding to the operation instruction, and judging whether the shielding version number is a target version number or not;
if the shielding version number is a target version number, generating operation shielding information corresponding to the shielding version number, and storing the operation shielding information and the shielding version number into an intelligent contract after associating the operation shielding information with the shielding version number;
and if the shielding version number is not the target version number, acquiring operation shielding information associated with the shielding version number.
6. The block chain-based shielding information management method according to claim 5, wherein if the shielding version number is a target version number, generating operation shielding information corresponding to the shielding version number, associating the operation shielding information with the shielding version number, and storing the operation shielding information in an intelligent contract, includes:
if the shielding version number is a target version number, acquiring a preset shielding strategy and initial transaction information corresponding to the shielding version number in a block chain;
extracting key character information in the initial transaction information according to the preset shielding strategy;
and summarizing the key character information to generate operation shielding information corresponding to the shielding version number, and storing the operation shielding information and the shielding version number after the operation shielding information is associated with the shielding version number into an intelligent contract.
7. A block chain-based mask information management apparatus, comprising:
the request receiving module is used for receiving an operation instruction, and acquiring a shielding version number corresponding to the operation instruction and operation shielding information associated with the shielding version number;
the transaction generating module is used for determining target shielding information according to the operation shielding information and the transaction linked before the shielding version number and generating new transaction information corresponding to the target shielding information;
the association linking module is used for associating the shielding version number with the new transaction information and linking the shielding version number with a target version number before the shielding version number;
the request receiving module executes the shielding version number corresponding to the obtained operation instruction, and the method comprises the following steps: if the historical operation record is not empty, adding one to the latest historical version number to be set as a shielding version number, and taking the latest historical version number as a target version number;
the transaction generation module is further configured to:
if the operation shielding information is the increased shielding character, acquiring the data volume of the operation shielding information;
if the data volume of the operation shielding information is smaller than or equal to a preset threshold value, taking the operation shielding information as target shielding information, and generating new transaction information corresponding to the target shielding information;
and if the data volume of the operation shielding information is larger than a preset threshold value, compressing the operation shielding information and the historical shielding information to be used as target shielding information, and generating new transaction information corresponding to the target shielding information.
8. A block chain-based mask information management apparatus, characterized in that the block chain-based mask information management apparatus comprises:
one or more processors;
a memory; and
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the processor to implement the blockchain based masking information management method of any one of claims 1 to 6.
9. A storage medium having stored thereon a computer program to be loaded by a processor for performing the steps of the block chain based mask information management method of any one of claims 1 to 6.
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| CN109615372B (en) * | 2018-11-08 | 2023-03-14 | 立旃（上海）科技有限公司 | Block chain data shielding method and device based on intelligent contract |
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