WO2018041066A1 - Procédé, appareil et système de traitement de données fondés sur une technologie de chaîne de blocs - Google Patents

Procédé, appareil et système de traitement de données fondés sur une technologie de chaîne de blocs Download PDF

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Publication number
WO2018041066A1
WO2018041066A1 PCT/CN2017/099275 CN2017099275W WO2018041066A1 WO 2018041066 A1 WO2018041066 A1 WO 2018041066A1 CN 2017099275 W CN2017099275 W CN 2017099275W WO 2018041066 A1 WO2018041066 A1 WO 2018041066A1
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Prior art keywords
information
type
block
fixed length
basic unit
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PCT/CN2017/099275
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English (en)
Chinese (zh)
Inventor
谭智勇
钟峰
王子龙
张勇
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北京瑞卓喜投科技发展有限公司
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Publication of WO2018041066A1 publication Critical patent/WO2018041066A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use

Definitions

  • the embodiment of the present application belongs to the technical field of blockchain, and in particular, to a data processing method, device and system based on blockchain technology.
  • blockchain technology emerges as the times require. It is an Internet database technology with decentralized, open and transparent features. Specifically, the essence of blockchain technology is decentralized and stored in a distributed structure of data storage, transmission and certification methods, replacing the current Internet dependence on the central server with data blocks, so that all data changes or transactions are It is recorded on a cloud system. Since there is no distributed peer-to-peer network with a central control point and a distributed collective operation method is used, it can be said that the blockchain is a "public large book" on the network. It has many nodes, each node can observe the entire ledger, and participate in maintenance together, the income is the right to obtain billing, and can copy a complete database, a single node can not modify the database, thus ensuring the book data Safe and reliable.
  • the existing blockchain technology writes fixed-length data into a blockchain in a block manner. Therefore, when the organization information enters the blockchain, if the information is fixed-length information (that is, fixed-length information), such as an individual. ID card information or passport information, the organization of the information is relatively easy, and the existing blockchain technology can achieve the processing; but if the information is complex and variable length information (ie, non-fixed length information), even including pictures With multimedia data such as voice, the organization of information becomes relatively difficult, and the existing blockchain technology cannot handle such information.
  • fixed-length information that is, fixed-length information
  • an individual. ID card information or passport information the organization of the information is relatively easy, and the existing blockchain technology can achieve the processing; but if the information is complex and variable length information (ie, non-fixed length information), even including pictures With multimedia data such as voice, the organization of information becomes relatively difficult, and the existing blockchain technology cannot handle such information.
  • the embodiment of the present application proposes a block-based chain technique.
  • the data processing method, device and system can encrypt the plaintext including the complex and variable length information into the ciphertext by the fixed length calculation, and combine the plaintext of the fixed length information and the ciphertext into the blockchain, thereby ensuring The clear and non-tamperable of the plaintext in the entire blockchain; and through the classification and fixed length calculation of the complex and variable length information and fixed length information included in the plaintext, it is possible to achieve complex and variable length information in blocks.
  • the embodiment of the present application provides a data processing method based on a blockchain technology, including:
  • the processing results of the different types of the information are packaged to generate block basic unit information.
  • the embodiment of the present application further provides a data processing apparatus based on a blockchain technology, including:
  • An information collecting module configured to collect information from an information source and summarize the information
  • a data processing processing module configured to classify the information according to an attribute of the information, and perform data processing on the different types of the information after the classification;
  • a package generation module configured to package processing results of different types of the information, to generate block basic unit information.
  • the embodiment of the present application provides a data processing method based on a blockchain technology, including:
  • At least one piece of the block basic unit information is organized into a new block, and the new block is linked to a previous block in the blockchain.
  • the embodiment of the present application further provides a blockchain-based technology.
  • Data processing device including:
  • An information collecting module configured to collect information from an information source and summarize the information
  • a data processing processing module configured to classify the information according to an attribute of the information, and perform data processing on the different types of the information after the classification;
  • a package generation module configured to package processing results of different types of the information, to generate block basic unit information
  • an organization link module configured to organize at least one piece of the block basic unit information into a new block according to a preset condition, and link the new block to a previous block in the blockchain.
  • the embodiment of the present application further provides a data processing system based on a blockchain technology, including:
  • a blockchain transaction information generating device for collecting and summarizing information from an information source; classifying the information according to attributes of the information, and classifying the different types of the information
  • the information is processed by the data processing; the processing result of the different types of the information is packaged, and the basic unit information of the block is generated;
  • a block chain miner configured to organize at least one piece of the block basic unit information into a new block according to a preset condition, and link the new block to a previous block in the block chain Piece.
  • the present application on the one hand, collecting information from an information source and summarizing; classifying the information according to attributes of the information, and performing data processing on different types of the information after classification; The processing result of the information of the type, the related technical solution for generating the basic unit information of the block; encrypting the plaintext including the complex and variable length information into the ciphertext by the fixed length calculation, and combining the plaintext of the fixed length information and the said The ciphertext enters the blockchain, thus ensuring the deposit and non-tampering of the plaintext in the entire blockchain; and by classifying and calculating the complex and variable length information and fixed length information included in the plaintext, making the complex And variable length information can be written into the block basic unit information after being fixed length processing, Prerequisites are provided for block and block writes to blockchains for complex and variable length information.
  • the card can not be falsified; and through the classification and processing of the complex and variable length information and the fixed length information in the plaintext, the technical problem that the existing blockchain technology cannot handle complex and variable length information is solved, and the complexity is reached. And variable length information can be written to the blockchain in a block manner.
  • FIG. 1 is a flowchart of a data processing method based on blockchain technology according to Embodiment 1 of the present application;
  • FIG. 2 is a schematic structural diagram of a data processing apparatus based on a blockchain technology according to Embodiment 2 of the present application;
  • FIG. 3 is a flowchart of another data processing method based on blockchain technology according to Embodiment 3 of the present application.
  • FIG. 4 is a schematic structural diagram of another data processing apparatus based on blockchain technology according to Embodiment 4 of the present application.
  • FIG. 5 is a schematic structural diagram of a data processing system based on blockchain technology according to Embodiment 5 of the present application;
  • FIG. 6 is a flow chart showing information about generating basic unit information of a block according to an embodiment of the present application. intention;
  • FIG. 7 is a schematic structural diagram of a block link in a blockchain according to an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a blockchain of a central credit platform of the Fangyixin provided by the sixth embodiment of the present application.
  • FIG. 9 is a chain structure composed of important structured information provided by the sixth embodiment of the present application.
  • the embodiment of the present application provides a data processing method based on a blockchain technology, which aims to generate basic block information of a block, by including complex and variable length information and fixed length information to be encrypted.
  • the plaintext within the classification process is such that the complex and variable length information in the plaintext can be processed into a fixed length information (fixed length calculation (hash algorithm)) and becomes part of the basic unit information of the block.
  • the basic unit information of the block can be understood as the blockchain transaction information in the blockchain.
  • FIG. 1 is a flowchart of a data processing method based on blockchain technology according to Embodiment 1 of the present application.
  • FIG. 6 is a schematic diagram of information flow of generating basic unit information of a block according to an embodiment of the present application. As shown in FIG. 1 and FIG. 6 , the data processing method based on the blockchain technology in the embodiment of the present application includes the following steps:
  • S102 classify the information according to an attribute of the information, and perform data processing on the different types of the information after the classification;
  • the information collected and summarized above is classified according to whether the information is a fixed length type and a related attribute of importance degree, and the number of the different types of information after classification is counted. According to the processing; specifically, the process of classifying and processing the collected information is as follows:
  • the information identifying the fixed length type and the importance degree attribute is the first type information (M1, M2, ..., Mt, where t is a positive integer), and the first type information has a fixed length type attribute as fixed length information, and the area is fixed length information.
  • the blockchain technology can directly process the type of information, so the first type of information can be directly written into the block basic unit information; it should be emphasized here that the attribute of the importance of the information can be based on product requirements and/or products.
  • the definition is determined by the overall plan, and will not be described below;
  • the information identifying the non-fixed type and/or the non-important attribute is the second type of information (m1, m2, ..., mt', where t' is a positive integer), since the second type of information has a non-fixed type and / or non-important attributes, blockchain technology can not directly deal with this type of information directly, the second type of information needs to be fixed length calculation, and the second type of information after the fixed length calculation is written
  • the basic unit information of the block it should be emphasized here that the information of the fixed length type and the non-importance attribute included in the second type information having the attribute of the non-fixed type and/or the non-importance degree has a fixed length type.
  • the fixed length calculation mentioned in the embodiment of the present application can be a summary calculation in the field of computer password (ie, hash).
  • Algorithm the main feature is that the input of any length can be changed to obtain a fixed length output, which can be understood by those skilled in the art and it is foreseen that as long as the input of any length can be changed
  • Related algorithms for obtaining a fixed-length output in the future can be adopted by the embodiments of the present application, and belong to the protection range that supports the interpretation of "fixed-length calculation”; the following are all calculated by the hash algorithm (fixed length calculation) Hash algorithm is described. Because the hash algorithm has irreversible characteristics, which guarantees the irreversible modification of the basic unit information of the block, the credibility of the data in the blockchain database will be greatly improved.
  • the fixed length calculation of the second type of information may include the following methods: selecting one according to actual needs:
  • the first way merge all the second type information (m1, m2, ..., mt'), and perform fixed length calculation Hash (m1, m2, ..., mt') on the combined second type information. . That is, the second type of information (m1, m2, ..., mt') as a whole, after the Hash algorithm operation, can output all the second type information (m1, m2, ..., mt') after the combination. Proof of existence, and the existence proof Hash (m1, m2, ..., mt') will write the block basic unit information as part of the block basic unit information;
  • a second method performing fixed length calculations Hash(m1), Hash(m2), and Hash(mt') on each of the second type of information to obtain a proof of existence of each of the second type of information. And merge all existing proofs (Hash(m1), Hash(m2)..., Hash(mt')). That is, each piece of information in the second type of information (m1, m2, ..., mt') is separately processed by a hash algorithm, and then all the second type information (m1, m2, ..., mt') are merged.
  • the second type of information (m1, m2) within the grouping of the second type of information is merged, the combining step is not performed for the group containing the single second type of information, and the second is merged for each group Class information (m1, m2), ..., second type information (mt') performs fixed length calculations Hash(m1, m2)..., Hash(mt') to obtain proof of existence of the second type of information of each group.
  • Hash(m1, m2)..., Hash(mt') and merge all existence proofs Hash(m1, m2)..., Hash(mt').
  • the first type information (M1, M2, ..., Mt, which is written into the basic unit information of the block, is packaged, where t is The positive integer)
  • the second type of information after the fixed length calculation and the combined block basic unit information may include the following forms:
  • Form 2 Block basic unit information (M1, M2, ..., Mt; (Hash (m1), Hash (m2)..., Hash (mt')));
  • Form 3 Block basic unit information (M1, M2, ..., Mt; (Hash (m1, m2)..., Hash (mt'))).
  • the data processing method based on the blockchain technology provided by the embodiment of the present application collects information from the information source and summarizes the information, classifies the information according to attributes of the information, and performs different types of the information after classification.
  • Data processing processing packaging related processing results of different types of information, generating related technical schemes of block basic unit information; encrypting plaintext including complex and variable length information into ciphertext by fixed length calculation, and combining fixed length
  • the plaintext of the information and the ciphertext enter the blockchain, thereby ensuring the deposit and non-tampering of the plaintext in the entire blockchain; and classifying the complex and variable length information and fixed length information included in the plaintext and
  • the fixed length calculation enables complex and variable length information to be written into the block basic unit information after fixed length processing, which provides a precondition for writing blockchains in a block mode for complex and variable length information.
  • the data processing device based on the blockchain technology in the embodiment of the present application includes an information collecting module 201, a data processing processing module 202, and a packet generating module 203.
  • the information collection module 201, the data processing processing module 202, and the package generation module 20 are sequentially connected, specifically,
  • the information collecting module 201 is configured to collect and summarize information from the information source;
  • the data processing processing module 202 is configured to classify the information according to the attribute of the information, and perform data processing on the different types of the information after the classification;
  • the package generation module 203 is configured to package processing results of different types of the information to generate block basic unit information.
  • the data processing processing module 202 includes an identification unit 2021 and a processing unit 2022 connected in sequence, wherein the identification unit 2021 is configured to identify that the information identifying the fixed length type and the importance degree attribute is the first type information, and is also used to identify the identifier.
  • the information having the non-fixed type and/or the non-important attribute is the second type of information;
  • the processing unit 2022 is configured to write the first type of information into the block basic unit information, and is also used to The class information is subjected to fixed length calculation, and the second type information after the fixed length calculation is written into the block basic unit information.
  • the package generation module includes a packaging unit 2031 and a generating unit 2032 connected in sequence, wherein the packaging unit 2031 is configured to package the first type information and the fixed length calculation after the basic unit information of the block has been written.
  • the second type of information; the generating unit 2032 is configured to combine the first type information that has been written into the block basic unit information and the packaged first type information and the second type information after the fixed length calculation The basic unit information of the block.
  • the processing unit 2022 includes a fixed length calculation subunit 20221 and a write subunit 20222, wherein the fixed length calculation subunit 20221 is configured to merge all the second type information, and the merged second
  • the class information is subjected to a fixed length calculation; or, each of the second type of information is subjected to a fixed length calculation to obtain a proof of existence of each of the second type of information, and merge all the proofs of existence; or, All the second type information is grouped, the second type information in each group is merged, and the second type information combined in each group is subjected to fixed length calculation to obtain the second type of each group.
  • each set includes at least one piece of said second type of information, and at least one set contains a plurality of second type of information; writing subunit 20222 is for The first type of information is written into the block basic unit information, and is further used to write the second type information calculated by the fixed length into the block basic unit information.
  • the data processing apparatus based on the blockchain technology provided by the embodiment of the present application collects and summarizes information from the information source through the information collection module; the data processing processing module classifies the information according to the attribute of the information, and classifies the information
  • the different types of the information are processed by the data processing; the package generation module packages the processing results of the different types of the information, and generates a related technical solution of the basic unit information of the block; and passes the plaintext including the complex and variable length information through the fixed length Calculating the encryption into ciphertext, and combining the plaintext of the fixed length information and the ciphertext into the blockchain, thereby ensuring the clearing and non-tampering of the plaintext in the entire blockchain; and by including the complexity and variation of the plaintext
  • the long information and the fixed length information are classified and fixed length calculation, so that the complex and variable length information can be written into the block basic unit information after the fixed length processing, and the block chain is provided for the complex and variable length information in the block mode. Prerequisites.
  • the technical solution of the embodiment of the present application further processes the block basic unit information generated in the first embodiment to generate a new block in the blockchain.
  • each new block is created under the premise of logically completing the association with the existing previous block, and the sustainable writing of the blockchain data is realized.
  • FIG. 2 is a schematic structural diagram of a data processing apparatus based on a blockchain technology according to Embodiment 2 of the present application
  • FIG. 6 is a schematic diagram of information flow of generating basic unit information of a block according to an embodiment of the present application
  • the data processing method based on the blockchain technology in the embodiment of the present application includes the following steps:
  • S302 classify the information according to an attribute of the information, and perform data processing on the different types of the information after the classification;
  • the information identifying the fixed length type and the importance degree attribute is the first type information (M1, M2, ..., Mt, where t is a positive integer), and the first type information has a fixed length type attribute as fixed length information, and the area is fixed length information.
  • the blockchain technology can directly process the type of information, so the first type of information can be directly written into the block basic unit information; it should be emphasized here that the attribute of the importance of the information can be based on product requirements and/or products.
  • the definition is determined by the overall plan, and will not be described below;
  • the information identifying the non-fixed type and/or the non-important attribute is the second type of information (m1, m2, ..., mt', where t' is a positive integer), since the second type of information has a non-fixed type and / or non-important attributes, blockchain technology can not directly deal with this type of information directly, the second type of information needs to be fixed length calculation, and the second type of information after the fixed length calculation is written
  • the basic unit information of the block it should be emphasized here that the information of the fixed length type and the non-importance attribute included in the second type information having the attribute of the non-fixed type and/or the non-importance degree has a fixed length type.
  • the fixed length calculation mentioned in the embodiment of the present application can be a summary calculation in the field of computer password (ie, hash).
  • Algorithm the main feature is that the input of any length can be changed to obtain a fixed length output, which can be understood by those skilled in the art and it is foreseen that as long as the input of any length can be changed
  • Related algorithms for obtaining a fixed-length output in the future can be adopted by the embodiments of the present application, and belong to the protection range that supports the interpretation of "fixed-length calculation”; the following are all calculated by the hash algorithm (fixed length calculation) Hash algorithm is described, because the hash algorithm has irreversible characteristics, thus ensuring that the basic unit information of the block cannot be tampered with. Sex will greatly enhance the credibility of the data in the blockchain database.
  • the fixed length calculation of the second type of information may include the following methods: selecting one according to actual needs:
  • the first way merge all the second type information (m1, m2, ..., mt'), and perform fixed length calculation Hash (m1, m2, ..., mt') on the combined second type information. . That is, the second type of information (m1, m2, ..., mt') as a whole, after the Hash algorithm operation, can output all the second type information (m1, m2, ..., mt') after the combination. Proof of existence, and the existence proof Hash (m1, m2, ..., mt') will write the block basic unit information as part of the block basic unit information;
  • a second method performing fixed length calculations Hash(m1), Hash(m2), and Hash(mt') on each of the second type of information to obtain a proof of existence of each of the second type of information. And merge all existing proofs (Hash(m1), Hash(m2)..., Hash(mt')). That is, each piece of information in the second type of information (m1, m2, ..., mt') is separately processed by a hash algorithm, and then all the second type information (m1, m2, ..., mt') are merged.
  • the third way grouping all the second types of information (m1, m2, ..., mt'), the rules of the grouping may be determined according to the definition of the product requirements, the relevance of the information, etc., wherein each group Include at least one piece of the second type of information, and at least one group includes a plurality of second type information, such as grouped into a second type of information (m1, m2), ..., a second type of information (mt'); The second type of information (m1, m2) within the grouping of the second type of information is merged, and the group containing the single second type of information may not be executed.
  • the second type of information (m1, m2, ..., mt') is grouped according to the grouping rule, and the second type information (m1, m2), ..., the second type information (mt') is grouped as an example.
  • the first type information (M1, M2, ..., Mt, which is written into the basic unit information of the block, is packaged, where t is The positive integer)
  • the second type of information after the fixed length calculation and the combined block basic unit information may include the following forms:
  • Form 2 Block basic unit information (M1, M2, ..., Mt; (Hash (m1), Hash (m2)..., Hash (mt')));
  • Form 3 Block basic unit information (M1, M2, ..., Mt; (Hash (m1, m2)..., Hash (mt'))).
  • the block basic unit information collects and organizes at least one piece of the block basic unit information into a new block to generate a new block; for example, the preset time interval of the preset condition is 1 minute to enter a new block, and the current pending block Place
  • the basic unit information of the block is 1w, and when the processing capacity limit is only 6k in the preset condition, after 1 minute of the preset interval, due to the limitation of the processing capacity in the preset condition, the organization is collected into the area of the current new block.
  • the basic unit information of the block is 6k, and the remaining 4k block basic unit information will be collected into the next new block; for example, the preset time interval of the preset condition is 1 minute to enter a new block,
  • the basic unit information of the block to be processed is 4k, and when the processing capacity limit is only 6k in the preset condition, after the preset interval time is 1 minute, since the processing capacity limit in the preset condition is not reached, the collection is performed.
  • the basic unit information of the block entering the current new block is 4k;
  • the at least one block basic unit information that has entered the new block is merged.
  • the generated new block may be time stamped, and the time stamp may be determined to be combined and packaged to at least one block.
  • the start or end time of the unit information, or the time information of the last block basic unit information of the new block is extracted as a time stamp; further, the basic unit information of each block may be signed and/or executed for the new block.
  • the overall signature to ensure the security of the data during transmission;
  • the new block is successfully added to the blockchain.
  • Some other block control information may be needed according to the actual needs of the blockchain.
  • the new block may include at least one of the block basic unit information, the timestamp, the signature, other block control information, and the existence proof of the hash of the previous block by the hash algorithm. ;
  • the presence verification of the new block and the previous block of the fixed length calculation is performed to link the new block to the previous block in the blockchain.
  • the data processing method based on the blockchain technology collects information from the information source and summarizes the information according to the attribute of the information, and classifies the information according to different types after the classification.
  • Performing data processing processing packaging processing results of different types of the information, generating block basic unit information; organizing at least one piece of the block basic unit information into a new block according to a preset condition, and linking the new block to A related technical solution of the previous block in the blockchain; encrypting the plaintext including the complex and variable length information into the ciphertext by the fixed length calculation, and combining the plaintext of the fixed length information and the ciphertext into the blockchain , thus ensuring the plaintext in the entire blockchain It is not necessary to falsify the certificate; it also solves the technical problem that the existing blockchain technology cannot handle complex and variable length information by classifying and processing the complex and variable length information and fixed length information in the plaintext.
  • Complex and variable length information can be written to the blockchain in a block manner.
  • the data processing method based on the blockchain technology in the embodiment of the present application includes: an information collecting module 301, a data processing processing module 302, and a packet generating module 303.
  • the information collection module 301, the data processing processing module 302, the package generation module 303, and the organization link module 304 are sequentially connected, specifically:
  • the information collection module 301 is configured to collect and summarize information from the information source;
  • the data processing processing module 302 is configured to classify the information according to the attribute of the information, and perform data processing on the different types of the information after the classification;
  • the package generation module 303 is configured to package the processing result of the different types of the information, and generate the block basic unit information;
  • the organization link module 304 is configured to organize at least one piece of the block basic unit information into the new block according to the preset condition, and Linking the new block to the previous block in the blockchain.
  • the data processing processing module 302 includes an identification unit 3021 and a processing unit 3022 that are sequentially connected, wherein the identification unit 3021 is configured to identify that the information identifying the fixed length type and the importance degree attribute is the first type of information, and is also used to identify the identifier.
  • the information having the non-fixed type and/or the non-importance attribute is the second type of information;
  • the processing unit 3022 is configured to write the first type of information into the block basic unit information, and is also used to The class information is subjected to fixed length calculation, and the second type information after the fixed length calculation is written into the block basic unit information.
  • the packet generation module 303 includes a packaging unit 3031 and a generating unit 3032 that are sequentially connected, wherein the packaging unit 3031 is configured to package the first type information and the fixed length calculation that have been written into the block basic unit information.
  • the second type information; the generating unit 3032 is configured to combine the first type information that has been written into the block basic unit information and the packaged first type information and the second type information after the fixed length calculation Block basic order Meta information.
  • the processing unit 3022 includes a fixed length calculation subunit 30221 and a write subunit 30222 connected in sequence, wherein the long calculation subunit 30221 is configured to merge all the second type information, and the merged
  • the second type of information is subjected to fixed length calculation; or, each of the second type of information is subjected to fixed length calculation to obtain the proof of existence of each of the second type of information, and merge all the proofs of existence; or All the second type information is grouped, the second type information in each group is merged, and the second type information in each group is fixed length calculation to obtain the second group in each group.
  • each group includes at least one piece of said second type information, and at least one group contains a plurality of second type information; writing subunit 30222 is used for The first type of information is written into the block basic unit information, and is further used to write the second type information calculated by the fixed length into the block basic unit information.
  • the organization link module 304 includes an organization unit 3041 and a link unit 3042 connected in sequence, wherein the organization unit 3041 is configured to adjust the basic unit information according to the processing capacity limit and the current to be processed according to the preset interval time. Collecting at least one piece of the block basic unit information into the new block; the linking unit 3042 is configured to link the fixed length to calculate the presence certificate of the new block and the previous block to link the new block to the blockchain The previous block in the middle.
  • the data processing apparatus based on the blockchain technology provided by the embodiment of the present application collects and summarizes information from the information source through the information collection module; the data processing processing module classifies the information according to the attribute of the information, and classifies the information Different types of the information are processed by data processing; the package generation module packages processing results of different types of the information, generates block basic unit information; and organizes a link module, and the organization link module is configured to organize at least according to preset conditions
  • the fixed length information is classified and processed and fixed length processing, which solves the technical problem that the existing blockchain technology cannot
  • FIG. 5 is a schematic structural diagram of a data processing system based on blockchain technology according to Embodiment 5 of the present application.
  • the structure of the data processing system based on the blockchain technology in the embodiment of the present application includes an information source 501, a blockchain transaction information generating device 502, and a block chain miner 503, wherein
  • the information source 501 is used to store the spare data of the blockchain; the blockchain transaction information generating means 502 is configured to collect and summarize the information from the information source; classify the information according to the attribute of the information, and differently after the classification
  • the information of the type is processed by data processing; the processing result of the different types of the information is packaged to generate block basic unit information; the block chain miner 503 is configured to organize at least one basic unit of the block according to a preset condition. The information enters the new block and links the new block to the previous block in the blockchain.
  • the blockchain transaction information generating apparatus 502 of the embodiment of the present application includes the modules, units, and subunits in the second embodiment, and the method steps performed by the respective modules, units, and subunits correspond to the first embodiment. Description, no longer repeat them.
  • the block chain miner 503 corresponds to the functions implemented by the organization link module in the fourth embodiment, including the organization unit and the link unit, and the executed method steps correspond to the related description in the third embodiment.
  • the data processing system based on the blockchain technology provided by the embodiment of the present application stores the spare data of the blockchain through the information source; the blockchain transaction information generating device collects and summarizes the information from the information source; according to the attribute of the information The information is classified, and the data processing is performed on the different types of the information after the classification; the processing results of the different types of the information are packaged, and the basic unit information of the block is generated; the block chain miner is organized according to preset conditions.
  • At least one piece of the basic unit information of the block enters a new block, and links the new block to a related technical solution of the previous block in the blockchain; and the plaintext including the complex and variable length information is calculated by fixed length Encrypted into ciphertext and combined with fixed length information
  • the plaintext and the ciphertext enter the blockchain, thereby ensuring the deposit and non-tampering of the plaintext in the entire blockchain; and classifying and fixing the complex and variable length information and fixed length information in the plaintext
  • the invention solves the technical problem that the existing blockchain technology cannot handle complex and variable length information, and achieves the purpose that the complex and variable length information can be written into the blockchain in a block manner.
  • the real estate information data source of Fangyixin includes the self-built real estate credit database and the housing management bureau database.
  • the self-built real estate credit database stores at least the users of Fangyixin, developers, second-hand housing transaction brokers, housing information consultants, etc.
  • the obtained property information data can also store real estate information data such as real residence and residence information, water and electricity fee information, property fee information and family situation; in other words, the self-built real estate credit database mainly stores the central platform for the credit to be used.
  • Property information data imported on the blockchain What needs to be explained here is that the establishment of the real estate information data source of Fangyixin is the first step of digitalization of real estate, and also the prerequisite for realizing the credit transformation of real estate liquidity.
  • FIG. 8 is the central platform of the Fangxin credit provided by the sixth embodiment of the present application.
  • the block diagram of the blockchain shows that the block basic unit information in the blockchain of the Fangxin Credit Central Platform can be understood as the important structured information of the real estate:
  • the property information data is classified according to the attribute of the real estate information data, and the data processing processing is performed on different types of real estate information data after classification; specifically, the real estate information data identifying the fixed length type and the importance degree attribute is the first Type of information (It can be important information related to the valuation of the property, including the number of a house title certificate.) Since the number of the house title certificate has fixed length type attribute as fixed length information, the blockchain technology can directly process the type information, so The first type of information can be written into the real estate to involve important structured information; the real estate information data identifying the non-fixed-type and/or non-important attributes is identified as the second type of information (eg, by the user, development Real estate information data obtained by commercial, second-hand housing transaction brokers, housing information consultants, etc., due to the property information data obtained by Fangyixin users, developers, second-hand housing transaction brokers, housing information consultants, etc.
  • the second type of information eg, by the user, development Real estate information data obtained by commercial, second-hand housing transaction brokers, housing information
  • the overall planning can be determined according to product requirements and/or product definitions, and details are not described below;
  • the fixed length calculation mentioned in the embodiment of the present application may be a digest calculation (ie, a hash algorithm) in the field of computer cryptography,
  • the main feature is that the input of any length can be changed to obtain a fixed length output, which can be understood by those skilled in the art and is expected to be a correlation algorithm as long as the input of any length can be changed to obtain a fixed length output.
  • the first type of information that has been written into the property involving important structured information (which can be important information about the valuation of the property, including the number of a house title certificate) and the second type of information after the fixed length calculation (eg Real estate information data obtained by Fangxinxin users, developers, second-hand housing transaction brokers, housing information consultants, etc., and combined to generate real estate It involves important structured information.
  • important structured information which can be important information about the valuation of the property, including the number of a house title certificate
  • the second type of information after the fixed length calculation eg Real estate information data obtained by Fangxinxin users, developers, second-hand housing transaction brokers, housing information consultants, etc., and combined to generate real estate It involves important structured information.
  • the second type of information (such as real estate information data obtained by the user, developer, second-hand housing transaction broker, housing information consultant, etc.) may be fixed length calculation. Including the following ways, you can choose one according to the actual needs:
  • the first way is to merge all the second type information and perform fixed length calculation on the combined second type information. That is, the second type of information as a whole, after the Hash algorithm operation, can output the existence proof of all the second type information after the merger, and the existence proof will be written into the real estate involving important structured information. As part of an important structured information about the property;
  • the second way performing fixed length calculation on each of the second type of information to obtain the proof of existence of each of the second type of information, and merging all the existence certificates. That is, each piece of information in the second type of information is separately processed by a hash algorithm, and then the respective proofs of existence of all the second types of information are merged, and the proof of existence will be written into the real estate involving important structuralization.
  • Information as part of a property that involves important structured information
  • the third mode grouping all the second types of information, the rules of the grouping may be determined according to the definition of the product requirements, the relevance of the information, etc., wherein each group includes at least one piece of the second type of information. And at least one group includes a plurality of second type information, for example, grouped into a second type of information; and the second type of information in the group including the plurality of second type information is merged, and the information includes a single second type information
  • the grouping may not perform the combining step, and perform fixed length calculation on the combined second type information in each group to obtain the existence proof of the second type information of each group, and merge all the existence certificates.
  • the second type of information is grouped according to the grouping rule, and the second type of information is grouped as an example, the information in the second type of information group is merged, and then the hashing algorithm is operated in units of groups, and then all the units are merged. Proof of the existence of each of the two types of information, and the proof of existence will be written into the property involving important structured information as part of the important structured information involved in the property.
  • the embodiments of the present application involve important structured information along with the above-mentioned real estate.
  • the large-scale generation with time continuation will collect at least one of the real estates involved in the construction of at least one of the real estates according to the preset interval time and according to the processing capacity limitation and the current property to be processed, and involve important structured information into the new block.
  • the preset time interval of the preset condition is 1 minute to enter a new block
  • the current property to be processed involves important structured information of 1w, and is processed in a preset condition.
  • the capacity limit is only 6k
  • the property that collects the organization into the current new block involves 6k important structured information
  • the remaining 4k properties involve
  • the important structured information will collect the organization into the next new block; for example, the preset time interval of the preset condition is 1 minute to enter a new block, and the property to be processed currently involves important structuring.
  • the information is 4k
  • the processing capacity limit is only 6k in the preset condition. After the preset interval is 1 minute, the preset condition is not reached. Limiting the capacity, collecting property into the current new block involves 4k pieces of important structured information;
  • the block chain miner combines important structured information on at least one property that has entered the new block.
  • a time stamp may be added to the generated new block, and the time stamp may be determined.
  • Packing at least one property for the merger involves the start or end time of important structured information, or extracting the time information of important structured information from the last property entering the new block as a time stamp; in addition, it can also be involved for each property.
  • Important structured information performs signatures and/or performs overall signatures on new blocks to ensure data security during transmission; of course, new blocks are successfully added to the blockchain, depending on the actual needs of the blockchain
  • the new block may include at least one of the properties involved in important structured information, time stamps, signatures, other block control information, and the presence of a hashed hash of the previous block.
  • Sexual proof further, the existence test of the new block and the previous block of the fixed length calculation (Hash algorithm) is carried out to link the new block to the previous one in the blockchain of the Fangxin Credit Central Platform Block.
  • the first type of information (information related to property valuation) that identifies the type of fixed length and importance attribute in the property information data is based on the house title number.
  • the blockchain of the Fangxin Credit Central Platform is sequentially accessed; in addition, the second type information of the non-fixed type and/or importance attribute is identified in the property information data. It can be called other property information data, and can be stored in the out-of-band storage system based on the existence of blockchain.
  • Fangyixin calculates the hash value for these existence proofs (Hash algorithm). And the hash value is included in the blockchain of the Fangxin Credit Central Platform.
  • FIG. 9 is a chain structure composed of important structured information provided by the sixth embodiment of the present application.
  • the self due to the inherently high degree of transparency and information tampering inherent in the blockchain of the Fangxin Credit Central Platform, it can be further understood that the property with logical housing number as the sole index involves important structured information.
  • the self also forms a chained data structure, which is different from the packaged in the block and then forms a chain structure in the form of a blockchain.
  • Fangyixin has established a set of chained and generalized digital data records of real estate.
  • the chained data organization form enables the real estate database of Fangyixin to collect new real estate from historical data.
  • the truth and rationality of the information is verified by business in the form of big data analysis. From the information content, in addition to the inherent information of the house, the Fangxin system can also selectively add household information and household information, etc.
  • the irreversible modification of the data is guaranteed by the technology of the blockchain, which greatly enhances The credibility of the data in the Fangyixin real estate database also laid the foundation for the real estate valuation system of Fangyixin.
  • the room information system stores the alternate property information data of the block chain of the Fangxin credit central platform through the real estate information data source; the real estate involves an important structured information generating device to collect the real estate information source data.
  • the information data is summarized and summarized; the information is classified according to the attributes of the real estate information data, and the data processing of different types of real estate information data after classification is processed; the processing results of different types of real estate information data are packaged, and the generated real estate involves an important structure.
  • the blockchain miner organizes at least one property involving important structured information into the new block and links the new block to the previous block in the blockchain of the Fangxin Credit Central Platform.
  • the computer device includes but is not limited to: a personal computer, a server, a general purpose computer, a special purpose computer, a network device, an embedded device, a programmable device, a smart mobile terminal, a smart home device, a wearable smart device, a vehicle smart device, and the like;
  • the storage medium includes, but is not limited to, a RAM, a ROM, a magnetic disk, a magnetic tape, an optical disk, a flash memory, a USB flash drive, a mobile hard disk, a memory card, a memory stick, a network server storage, a network cloud storage, and the like.
  • the computer program instructions can also be stored in a computer device readable memory that can direct the computer device to operate in a particular manner, such that instructions stored in the computer device readable memory produce an article of manufacture comprising the instruction device, the instruction device being implemented in the process Figure One or more processes and/or block diagrams of the functions specified in a block or blocks.
  • These computer program instructions can also be loaded onto a computer device such that a series of operational steps are performed on the computer device to produce computer-implemented processing, such that instructions executed on the computer device are provided for implementing one or more processes in the flowchart And/or block diagram of the steps of a function specified in a box or blocks.

Abstract

L'invention concerne un procédé, un appareil et un système de traitement de données fondés sur une technologie de chaîne de blocs. Le procédé consiste : à collecter des informations auprès d'une source d'informations et à les rassembler; à classer les informations en fonction de l'attribut des informations et à effectuer un traitement de données sur les différents types d'informations classés; à conditionner un résultat de traitement des différents types d'informations et à générer des informations d'unité de bloc de base; en fonction d'une condition prédéfinie, à organiser au moins un élément des informations d'unité de bloc de base dans un nouveau bloc et à lier le nouveau bloc à un bloc précédent dans une chaîne de blocs. La solution technique décrite dans la présente invention crypte un texte en clair comportant des informations complexes et de longueur variable en texte crypté au moyen d'un calcul de longueur fixe et combine le texte en clair d'informations de longueur fixe et le texte crypté dans une chaîne de blocs de sorte à garantir la réception et la capacité d'inviolabilité du texte en clair dans toute la chaîne de blocs. De plus, par l'exécution d'un traitement de classement et d'un calcul de longueur fixe sur les informations complexes et de longueur variable incluses dans le texte en clair et sur les informations de longueur fixe, on peut atteindre le but des informations complexes et de longueur variable étant écrits dans la chaîne de blocs de manière séquencée.
PCT/CN2017/099275 2016-08-29 2017-08-28 Procédé, appareil et système de traitement de données fondés sur une technologie de chaîne de blocs WO2018041066A1 (fr)

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