WO2018205971A1 - 一种基于区块链的数据处理方法及设备 - Google Patents

一种基于区块链的数据处理方法及设备 Download PDF

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Publication number
WO2018205971A1
WO2018205971A1 PCT/CN2018/086280 CN2018086280W WO2018205971A1 WO 2018205971 A1 WO2018205971 A1 WO 2018205971A1 CN 2018086280 W CN2018086280 W CN 2018086280W WO 2018205971 A1 WO2018205971 A1 WO 2018205971A1
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Prior art keywords
service data
attribute value
accepted
data
blockchain
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Ceased
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PCT/CN2018/086280
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English (en)
French (fr)
Chinese (zh)
Inventor
邱鸿霖
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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Publication date
Priority to EP18799071.8A priority Critical patent/EP3528451B1/en
Priority to KR1020197013510A priority patent/KR102242220B1/ko
Priority to RU2019114184A priority patent/RU2720641C9/ru
Priority to CA3043536A priority patent/CA3043536A1/en
Priority to BR112019009576A priority patent/BR112019009576A2/pt
Priority to MYPI2019002659A priority patent/MY195245A/en
Priority to AU2018264441A priority patent/AU2018264441B2/en
Priority to JP2019524992A priority patent/JP2020516089A/ja
Application filed by Alibaba Group Holding Ltd filed Critical Alibaba Group Holding Ltd
Priority to MX2019005529A priority patent/MX2019005529A/es
Publication of WO2018205971A1 publication Critical patent/WO2018205971A1/zh
Priority to PH12019501055A priority patent/PH12019501055A1/en
Priority to US16/561,288 priority patent/US11281661B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
    • H04L63/1441—Countermeasures against malicious traffic
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F16/23—Updating
    • G06F16/2379—Updates performed during online database operations; commit processing
    • H—ELECTRICITY
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    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/126—Applying verification of the received information the source of the received data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
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    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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    • G06F16/24—Querying
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
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    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/04—Payment circuits
    • G06Q20/06—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
    • G06Q20/065—Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme using e-cash
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • H—ELECTRICITY
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    • H—ELECTRICITY
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    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • 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
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
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    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q2220/00—Business processing using cryptography
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/56—Financial cryptography, e.g. electronic payment or e-cash

Definitions

  • the present application relates to the field of Internet information processing technologies and computer technologies, and in particular, to a data processing method and device based on a blockchain.
  • Blockchain technology also known as distributed ledger technology, is a distributed Internet database technology.
  • a network constructed based on blockchain technology may be referred to as a blockchain network, and a network node (which may also be referred to as a blockchain node, hereinafter referred to as a node) is included in the blockchain network, and each node corresponds to at least one node.
  • a blockchain each block chain containing at least one block.
  • the blockchain network (or blockchain technology) has the characteristics of decentralization, transparency, non-tampering, and trustworthiness. Based on these characteristics, the application of blockchain technology is becoming more and more extensive.
  • replay attack technology means that a malicious user obtains service data that is being processed by the blockchain network or has been processed by the blockchain network by illegal means, and sends the service data to the blockchain network again, so that the blockchain network is again Accept the business data.
  • the service data obtained by the replay attack technology is “transfer 100 yuan from the A account to the B account”. If the A account has 300 yuan, then the service data sent by the user corresponding to the A account is received.
  • the transaction data after which the A account has 200 yuan remaining; since the malicious user obtains the service data through the replay attack technology, the blockchain network will accept the service data after receiving the service data sent by the malicious user, and then A The remaining 100 yuan in the account.
  • replay attack technology threatens the data security of the blockchain network.
  • Ethereum configures a random number for each account.
  • the random number is automatically incremented by one to get a value, and the value is sent to the blockchain node together with the service data.
  • the service data can be verified by using the value, and when the confirmation is not a duplicate transaction, the service data is processed; otherwise, the service data is discarded.
  • the embodiment of the present application provides a blockchain-based data processing method and device, which are used to solve the problem of preventing replay attacks in a blockchain network, so as to improve block block transaction data processing.
  • the purpose of throughput is a blockchain-based data processing method and device, which are used to solve the problem of preventing replay attacks in a blockchain network, so as to improve block block transaction data processing. The purpose of throughput.
  • the embodiment of the present application provides a data processing method based on a blockchain, including:
  • the block chain node obtains the first service data, and determines an attribute value of the first service data, where the attribute value is used to represent the uniqueness of the first service data;
  • the blockchain node accepts the first service data when it is determined that the first service data has not been accepted.
  • the embodiment of the present application further provides a data processing device based on a blockchain, including:
  • the determining unit determines whether the first service data has been accepted according to the stored attribute value of the received second service data and the attribute value of the first service data;
  • the processing unit accepts the first service data when it is determined that the first service data has not been accepted.
  • the embodiment of the present application determines whether the service data to be processed has been accepted by comparing the attribute value of the uniqueness of the service data to be processed with the attribute value of the accepted service data stored by the block chain node.
  • the processing of the service data to be processed is started, which can effectively prevent the replay attack.
  • the attribute values of different service data are different, it can be avoided when a service data is processed because The problem of locking other business data cannot be processed, effectively ensuring the processing efficiency of the service data of the blockchain network, and improving the throughput of the service data of the blockchain network.
  • FIG. 1 is a schematic flowchart diagram of a data processing method based on a blockchain according to an embodiment of the present application
  • FIG. 2 is a schematic flowchart diagram of a data processing method based on a blockchain according to an embodiment of the present disclosure
  • FIG. 3 is a schematic structural diagram of a data processing device based on a blockchain according to an embodiment of the present disclosure.
  • FIG. 1 is a schematic flowchart diagram of a data processing method based on a blockchain according to an embodiment of the present application. The method can be as follows.
  • Step 101 The block chain node acquires first service data, and determines an attribute value of the first service data.
  • the attribute value is used to represent the uniqueness of the first service data.
  • the blockchain node when receiving a service processing request sent by another device, may obtain service data from the service processing request, where the service data may be regarded as the first service data.
  • the blockchain node may obtain a set number of service data from the stored plurality of service data before triggering the consensus operation, where the service data may be regarded as multiple first service data.
  • the specific implementation manner for obtaining the first service data is not limited herein.
  • the blockchain node may be a receiving node of the service data or a non-accepting node of the service data.
  • the so-called receiving node may be understood as a node that directly receives the service data from other devices, and the so-called non-accepting node may It is understood as a node that receives the service data by broadcasting from other blockchain nodes. That is to say, for a business data, there may be one acceptance node and multiple non-acceptance nodes in the blockchain network.
  • the attribute value of the first service data may be determined.
  • the attribute value here is obtained when the business data is generated. If the service data is the transaction data, the serial number of the transaction data is generated synchronously when the transaction data is generated, and the serial number can be used as the attribute value of the transaction data, and the attribute value described in the embodiment of the present application.
  • the generated transaction data may also be calculated by a setting algorithm, and the obtained calculation result may be regarded as an attribute value of the business data.
  • the hash data is used to calculate the generated business data, and the obtained hash value is the attribute value of the service data.
  • the attribute value described in the embodiment of the present application includes one or more of a hash value of the service data and a serial number of the service data.
  • the attribute value can uniquely identify the service data
  • the attribute value can be used as a condition for identifying whether the service data is unique.
  • the attribute value may be encrypted, which is not specifically limited herein.
  • Step 102 The blockchain node determines, according to the stored attribute value of the second service data that has been accepted and the attribute value of the first service data, whether the first service data has been accepted.
  • the blockchain node when the blockchain node accepts the service data, the attribute value of the accepted service data is stored.
  • the blockchain node needs to maintain a database in which the attribute value of the service data that has been accepted by the blockchain node is stored, and then, when the replay attack behavior occurs, The attribute value of the accepted service data stored in the database is used to determine whether the service data to be processed belongs to the repeated acceptance, and at the same time, it can be avoided that when the service data is processed in the prior art, other service data cannot be processed because of the lock.
  • the problem Although it is slightly redundant in space, it can be exchanged for system performance and processing time improvement, effectively ensuring the processing efficiency of the service data of the blockchain network, and improving the throughput of the service data of the blockchain network.
  • the blockchain node searches, from the stored attribute values of the received second service data, whether there is an attribute value that is the same as the attribute value of the first service data;
  • the blockchain node determines, according to the query result, whether the first service data has been accepted.
  • the blockchain node compares the stored attribute value of the received second service data with the attribute value of the first service data, and further determines whether it can be in the attribute value of the accepted second service data. There is an attribute value that is the same as the attribute value of the first service data.
  • the first service data has been accepted, and the first service data may be determined to be illegal service data, which is likely to be a replay attack; if not, the first service data has not been Accepted.
  • illegal service data when the replay attack technology intercepts or steals service data (hereinafter referred to as legal service data), the service data is copied to generate another service data that is the same as the intercepted service data (subsequent This is called illegal business data), which means that the legal business data and the illegal business data have the same attribute value.
  • first and second in the “first service data” and the “second service data” described in the embodiments of the present application have no special meaning and are only used to distinguish different service data.
  • Step 103 The blockchain node accepts the first service data when it is determined that the first service data has not been accepted.
  • the first service data can be accepted, which means that the service data is subjected to consensus processing, storage processing, and the like.
  • the blockchain node is the receiving node of the first service data
  • the first service data may also be processed according to a prior art method. Broadcast to other blockchain nodes in the blockchain network.
  • the blockchain node determines that the first service data has not been accepted, including:
  • the block chain node If the block chain node has not found the same attribute value as the attribute value of the first service data from the stored attribute value of the received second service data, it is determined that the first service data has not been accepted yet .
  • the method further includes:
  • the blockchain node stores an attribute value of the first service data.
  • the blockchain node can maintain a database (hereinafter referred to as the accepted database), and the accepted database stores the attribute values of the accepted business data.
  • the blockchain node may store the attribute value of the first service data into the accepted database.
  • the accepted database described in the embodiment of the present application may be a relational database or a Key-Value database, which is not specifically limited herein.
  • the blockchain node may further determine a query index for the attribute value of the first service data when the attribute value of the first service data is stored in the accepted database, thereby establishing the query index and a mapping relationship between attribute values of the first service data. This helps to improve the execution efficiency of the step 102, thereby improving the processing performance of the service data of the entire system.
  • the method further includes:
  • the blockchain node discards processing the first service data when it is determined that the first service data has been accepted.
  • the technical solution of the embodiment of the present application may be triggered when the blockchain node (here, the receiving node) receives the service processing request, or may be executed before the triggering of the consensus, where the real-time timing is not specifically limited. Can be determined according to actual needs.
  • the accepted database is accepted regardless of whether the receiving node or the non-accepting node needs to recognize the received service data before starting the consensus.
  • the technical solution provided by the embodiment of the present application determines whether the service data to be processed is determined by comparing the attribute value of the uniqueness of the service data to be processed with the attribute value of the accepted service data stored by the blockchain node. It has been accepted, and only when it is determined that the to-be-processed service data has not been accepted, the processing of the service data to be processed is started, which can effectively prevent the replay attack, and at the same time, because the attribute values of different service data are different, one can avoid being a When the service data is processed, the other service data cannot be processed because of the lock, which effectively ensures the processing efficiency of the service data of the blockchain network and improves the throughput of the service data of the blockchain network.
  • FIG. 2 is a schematic flowchart diagram of a data processing method based on a blockchain according to an embodiment of the present application.
  • the method can be as follows. The embodiment of the present application is described by taking a blockchain node to trigger the execution of the solution when receiving a service processing request.
  • Step 201 The blockchain node receives the service processing request, and obtains the service data from the service processing request.
  • Step 202 The blockchain node determines an attribute value of the service data.
  • the attribute value here may be a serial number of the business data, a hash value of the business data, and the like, and is not specifically limited.
  • Step 203 The blockchain node uses the attribute value of the service data to determine whether the service data is the accepted service data. If not, step 204 is performed; otherwise, step 206 is performed.
  • the manner in which the blockchain node determines whether the service data is the accepted service data includes but is not limited to:
  • the blockchain node determines whether the first service data has been accepted according to the stored attribute value of the second service data that has been accepted and the attribute value of the first service data.
  • Step 204 The blockchain node accepts the service data.
  • Step 205 The blockchain node broadcasts the service data to other blockchain nodes in the blockchain network.
  • Step 206 The blockchain node discards the service data.
  • FIG. 3 is a schematic structural diagram of a data processing device based on a blockchain according to an embodiment of the present application.
  • the data processing device includes: an obtaining unit 301, a determining unit 302, and a processing unit 303, where:
  • the obtaining unit 301 is configured to acquire the first service data, and determine an attribute value of the first service data, where the attribute value is used to represent the uniqueness of the first service data;
  • the determining unit 302 determines whether the first service data has been accepted according to the stored attribute value of the second service data that has been accepted and the attribute value of the first service data.
  • the processing unit 303 accepts the first service data when it is determined that the first service data has not been accepted.
  • the data processing device further includes: a discarding unit 304, wherein:
  • the discarding unit 304 discards processing the first service data when it is determined that the first service data has been accepted.
  • the determining unit 302 determines, according to the stored attribute value of the second service data that has been accepted and the attribute value of the first service data, whether the first service data has been accepted. ,include:
  • the processing unit 303 determines that the first service data has not been accepted, including:
  • the data processing device further includes: a storage unit 305, wherein:
  • the storage unit 305 stores an attribute value of the first service data.
  • the data processing device further includes: an establishing unit 306, wherein:
  • the establishing unit 306 stores the attribute value of the first service data in the accepted database, and stores the attribute value of the accepted service data in the accepted database;
  • the attribute value is obtained when the business data is generated.
  • the attribute value includes one or more of a hash value of the business data and a serial number of the business data.
  • the data processing device provided by the embodiment of the present disclosure may be implemented by using a hardware, or may be implemented by using a software, and is not specifically limited herein.
  • the data processing device described in the embodiment of the present application determines whether the service data to be processed is determined by comparing the attribute value of the uniqueness of the service data to be processed with the attribute value of the accepted service data stored by the blockchain node.
  • a data processing device including: at least one processor and a memory, where:
  • the memory stores a program and is configured to perform the following steps by the at least one processor:
  • the first service data is accepted when it is determined that the first service data has not been accepted.
  • a computer storage medium including a program used in combination with a data processing device, where the program can be executed by the processor:
  • the first service data is accepted when it is determined that the first service data has not been accepted.
  • PLD Programmable Logic Device
  • FPGA Field Programmable Gate Array
  • HDL Hardware Description Language
  • the controller can be implemented in any suitable manner, for example, the controller can take the form of, for example, a microprocessor or processor and a computer readable medium storing computer readable program code (eg, software or firmware) executable by the (micro)processor.
  • computer readable program code eg, software or firmware
  • examples of controllers include, but are not limited to, the following microcontrollers: ARC 625D, Atmel AT91SAM, The Microchip PIC18F26K20 and the Silicone Labs C8051F320, the memory controller can also be implemented as part of the memory's control logic.
  • the controller can be logically programmed by means of logic gates, switches, ASICs, programmable logic controllers, and embedding.
  • a controller can be considered a hardware component, and the means for implementing various functions included therein can also be considered as a structure within the hardware component.
  • a device for implementing various functions can be considered as a software module that can be both a method of implementation and a structure within a hardware component.
  • the system, device, module or unit illustrated in the above embodiments may be implemented by a computer chip or an entity, or by a product having a certain function.
  • a typical implementation device is a computer.
  • the computer can be, for example, a personal computer, a laptop computer, a cellular phone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email device, a game console, a tablet computer, a wearable device, or A combination of any of these devices.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
  • a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
  • processors CPUs
  • input/output interfaces network interfaces
  • memory volatile and non-volatile memory
  • the memory may include non-persistent memory, random access memory (RAM), and/or non-volatile memory in a computer readable medium, such as read only memory (ROM) or flash memory.
  • RAM random access memory
  • ROM read only memory
  • Memory is an example of a computer readable medium.
  • Computer readable media includes both permanent and non-persistent, removable and non-removable media.
  • Information storage can be implemented by any method or technology.
  • the information can be computer readable instructions, data structures, modules of programs, or other data.
  • Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read only memory. (ROM), electrically erasable programmable read only memory (EEPROM), flash memory or other memory technology, compact disk read only memory (CD-ROM), digital versatile disk (DVD) or other optical storage, Magnetic tape cartridges, magnetic tape storage or other magnetic storage devices or any other non-transportable media can be used to store information that can be accessed by a computing device.
  • computer readable media does not include temporary storage of computer readable media, such as modulated data signals and carrier waves.
  • the application can be described in the general context of computer-executable instructions executed by a computer, such as a program module.
  • program modules include routines, programs, objects, components, data structures, and the like that perform particular tasks or implement particular abstract data types.
  • the present application can also be practiced in distributed computing environments where tasks are performed by remote processing devices that are connected through a communication network.
  • program modules can be located in both local and remote computer storage media including storage devices.

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