CN111259425A - Smart city data safety management system - Google Patents
Smart city data safety management system Download PDFInfo
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- CN111259425A CN111259425A CN202010048876.9A CN202010048876A CN111259425A CN 111259425 A CN111259425 A CN 111259425A CN 202010048876 A CN202010048876 A CN 202010048876A CN 111259425 A CN111259425 A CN 111259425A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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Abstract
The invention mainly relates to a smart city data security management system, which comprises: the block chain storage management module is used for generating a secret key for sectional data generated after encryption and inquiring and reading the sectional data stored in the data storage module through the secret key. The invention improves the data storage safety through the block chain storage technology.
Description
Technical Field
The invention relates to the technical field of block chain storage, in particular to a smart city data security management system based on a block chain storage technology.
Background
In the big data era, people can collect city data sets, such as city anomaly data, human activity data, point of interest data, and criminal data, published from sensors, enterprise platforms, and government agencies. Through data processing and data mining, how the data sets dynamically reflect the life rules of cities and how potential connection exists between the data sets is found out to influence the safety of city communities. In addition, according to the current mobile payment method, the identification payment through human biological characteristics is a trend, such as human facial characteristics, fingerprint characteristics, and the like, so that the balance between data acquisition and data security is a problem which needs to be paid high attention, the security of the data is not guaranteed in the current era of advanced internet technology, and when a malicious hacker obtains the data through illegal means, the malicious hacker may possibly generate a serious threat to the life, property, and security of people.
In recent years, attention is gradually paid to solving the data security problem through a block chain technology, the advantage of the block chain technology on data storage is decentralized, an internet terminal is used as a storage node, a decentralized shared storage mode is established, the defects of hardware storage and cloud storage are overcome through distributed storage of a data source, and the problem of low data security is solved for data storage.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a smart city data security management system which can effectively solve the problem of data storage security.
In order to achieve the purpose, the invention adopts the specific scheme that: a smart city data security management system, characterized in that, the system includes: data acquisition module, inspection module, block chain storage encryption module, block chain storage management module and safe calculation module, wherein: the data acquisition module is used for acquiring data information and sending the data information to the checking module; the checking module is used for receiving the data information checking request sent by the data acquisition module, checking the preset information type according to the data information processing request and sending the data information to the block chain storage encryption module after the checking is passed; the block chain storage encryption module is used for receiving the data information sent by the checking module, encrypting and segmenting the data information, and transmitting the encrypted data information to the data storage module; the data storage module is used for storing the encrypted data information; the block chain storage management module is used for generating a secret key for the segmented data generated by the block chain storage encryption module and inquiring and reading the segmented data stored in the data storage module through the secret key; and the safety calculation module is used for decrypting and recombining the segmented data obtained from the block chain storage management module according to the data information processing request of the data demand terminal, sending the recombined data information to the inspection module, inspecting the recombined data information by the module, and sending the data information to the data demand terminal after the inspection is passed.
Preferably, the data information includes biometric information, identity information and account information; and the checking module is used for performing algorithm type comparison checking on the biological characteristic information, the identity information and the account information and sending the biological characteristic information, the identity information and the account information to the block chain storage encryption module after the checking is passed.
Preferably, the data storage module comprises a plurality of data storage receiving nodes, peer-to-peer connection is established between the data storage receiving nodes, and the data storage receiving nodes mutually disclose the validity verification of the operation information and open the storage information.
Preferably, each data storage receiving node corresponds to a data storage type and stores data segments of the type to complete segment-wise storage of data information.
Preferably, the blockchain storage encryption module encrypts the data information according to a hash algorithm, segments the data information according to the data information type, and records the sequence of the segmented data.
Preferably, the block chain storage management module includes a plurality of data processing units and an inquiry unit, where the data processing units are configured to perform combination processing on data segment types, timestamps, and sequences of segment data recorded by the data storage module, and perform sequence arrangement on each storage node according to the sequences of the segment data, select a data storage node corresponding to the first segment data as a main storage node of the data information, and arrange the storage nodes according to the segment sequences and the storage nodes in sequence, where the segment sequences are the same in level, arrange the storage nodes in parallel, sequentially generate a data storage node tree diagram of the data information, and generate a private key according to the tree diagram and the timestamp, and the inquiry unit is configured to match the storage node tree diagram according to the key, and inquire and read the data information.
The invention effectively ensures the safety of personal biological characteristic information, identity information and account information through the distributed storage and encryption technology of the block chain, and avoids the problem that the traditional technology is easy to be falsified or stolen.
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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of the system.
Fig. 2 is a schematic diagram of key formation in the present system.
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 adopts the specific scheme that: a smart city data security management system, comprising: data acquisition module, inspection module, block chain storage encryption module, block chain storage management module and safe calculation module, wherein: the data acquisition module is used for acquiring data information and sending the data information to the checking module; the checking module is used for receiving the data information checking request sent by the data acquisition module, checking the preset information type according to the data information processing request and sending the data information to the block chain storage encryption module after the checking is passed; the block chain storage encryption module is used for receiving the data information sent by the checking module, encrypting and segmenting the data information, and transmitting the encrypted data information to the data storage module; the data storage module is used for storing the encrypted data information; the block chain storage management module is used for generating a secret key for the segmented data generated by the block chain storage encryption module and inquiring and reading the segmented data stored in the data storage module through the secret key; and the safety calculation module is used for decrypting and recombining the segmented data obtained from the block chain storage management module according to the data information processing request of the data demand terminal, sending the recombined data information to the inspection module, inspecting the recombined data information by the module, and sending the data information to the data demand terminal after the inspection is passed.
Preferably, the data information includes biometric information, identity information and account information; and the checking module is used for performing algorithm type comparison checking on the biological characteristic information, the identity information and the account information and sending the biological characteristic information, the identity information and the account information to the block chain storage encryption module after the checking is passed.
Preferably, the data storage module comprises a plurality of data storage receiving nodes, peer-to-peer connection is established between the data storage receiving nodes, and the data storage receiving nodes mutually disclose the validity verification of the operation information and open the storage information.
Preferably, each data storage receiving node corresponds to a data storage type and stores data segments of the type to complete segment-wise storage of data information.
Preferably, the blockchain storage encryption module encrypts the data information according to a hash algorithm, segments the data information according to the data information type, and records the sequence of the segmented data.
Preferably, the block chain storage management module includes a plurality of data processing units and an inquiry unit, where the data processing units are configured to perform combination processing on data segment types, timestamps, and sequences of segment data recorded by the data storage module, and perform sequence arrangement on each storage node according to the sequences of the segment data, select a data storage node corresponding to the first segment data as a main storage node of the data information, and arrange the storage nodes according to the segment sequences and the storage nodes in sequence, where the segment sequences are the same in level, arrange the storage nodes in parallel, sequentially generate a data storage node tree diagram of the data information, and generate a private key according to the tree diagram and the timestamp, and the inquiry unit is configured to match the storage node tree diagram according to the key, and inquire and read the data information.
As shown in fig. 2, where n is a positive integer, segment 1 with the first segmentation order is stored in storage node 1, segment 2 with the second segmentation order is stored in storage node 2, segment 3 with the third segmentation order is stored in storage node 3, and segment 4 with the third parallel segmentation order is stored in storage node 4, where storage node 3 and storage node 4 are located at the same level … … of the tree until the data information is completely expanded according to the data segmentation type, the timestamp, and the segmentation order to form a complete tree. The key is generated through the tree diagram, the key is formed by combining the called storage node type characteristics, the timestamp and the segmentation sequence, the key is independently corresponding to each different data information, high data safety exists, and excellent protection measures are provided for data safety protection.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A smart city data security management system, the system comprising: data acquisition module, inspection module, block chain storage encryption module, data storage module, block chain storage management module and safe calculation module, wherein:
the data acquisition module is used for acquiring data information and sending the data information to the checking module;
the checking module is used for receiving the data information checking request sent by the data acquisition module, checking a preset information type according to the data information processing request, and sending the data information to the block chain storage encryption module after the checking is passed;
the block chain storage encryption module is used for receiving the data information sent by the checking module, encrypting and segmenting the data information, and transmitting the encrypted data information to the data storage module;
the data storage module is used for storing encrypted data information;
the block chain storage management module is used for generating a secret key for the segmented data generated by the block chain storage encryption module, and inquiring and reading the segmented data stored in the data storage module through the secret key;
the security calculation module is used for decrypting and recombining the segmented data obtained from the block chain storage management module according to a data information processing request of the data demand terminal, sending the recombined data information to the inspection module, inspecting the recombined data information by the inspection module, and sending the data information to the data demand terminal after the inspection is passed.
2. The smart city data security management system according to claim 1, wherein the data information includes biometric information, identity information, and account information; the checking module is used for performing algorithm type comparison checking on the biological characteristic information, the identity information and the account information and sending the biological characteristic information, the identity information and the account information to the block chain storage encryption module after the checking is passed.
3. The smart city data security management system according to claim 1, wherein the data storage module comprises a plurality of data storage receiving nodes, and peer-to-peer connections are established between the data storage receiving nodes to mutually disclose operation information for validity verification and open storage information.
4. The smart city data security management system according to claim 3, wherein each data storage receiving node corresponds to a data storage type and stores data segments of the type to complete segment storage of data information.
5. The smart city data security management system according to claim 1, wherein the block chain storage encryption module encrypts the data information according to a hash algorithm, performs segmentation according to data information types, and records the sequence of segmented data.
6. The smart city data security management system according to claim 1, the block chain storage management module comprises a plurality of data processing units and a query unit, wherein the data processing units are used for performing combined processing on the data segment types, the timestamps and the sequence of the segment data recorded by the data storage module, and the storage nodes are arranged in sequence according to the sequence of the segment data, the data storage node corresponding to the first segment data is selected as the main storage node of the data information, and sequentially arranging the storage nodes according to the segmentation order and the storage nodes, wherein the storage nodes are arranged in parallel when the segmentation order is the same in grade, and sequentially generating a data storage node tree diagram of the data information, and generating a private key according to the tree-shaped graph and the time stamp, wherein the query unit is used for matching the storage node tree-shaped graph according to the key and querying and reading data information.
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| CN112733194A (en) * | 2021-01-26 | 2021-04-30 | 长威信息科技发展股份有限公司 | Trusted circulation method and system for block chain data |
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| CN114221757A (en) * | 2021-11-24 | 2022-03-22 | 厦门众合天元科技有限公司 | Private data distributed storage method based on block chain technology |
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