CN113032481A - Block chain-based electronic data evidence storing method and system - Google Patents
Block chain-based electronic data evidence storing method and system Download PDFInfo
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- CN113032481A CN113032481A CN202110255707.7A CN202110255707A CN113032481A CN 113032481 A CN113032481 A CN 113032481A CN 202110255707 A CN202110255707 A CN 202110255707A CN 113032481 A CN113032481 A CN 113032481A
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- 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
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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- 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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/10—Services
- G06Q50/18—Legal services; Handling legal documents
Abstract
The application discloses a block chain-based electronic data evidence storing method and system, comprising the following steps: acquiring electronic data, wherein the electronic data can be stored in a target block corresponding to a first target node on a block chain, the first target node comprises a plurality of nodes, and the electronic data can be issued by a second target node on the block chain; then, judicial endorsement can be performed on the electronic data to generate a judicial mark, and the judicial mark corresponding to the electronic data is stored in a target block corresponding to a first target node on the block chain. The electronic data stored on the block chain has the judicial mark corresponding to the electronic data, so that the electronic data stored on the uplink is proved to be approved by the judicial certification, and the electronic data has higher credibility and legal effectiveness; meanwhile, the data stored on the blockchain has the characteristics of being not falsifiable and being completely marked with scars, so that the electronic data can be continuously provided with high credibility when being stored on the blockchain.
Description
Technical Field
The present application relates to the field of block chain technologies, and in particular, to a block chain-based electronic data evidence storing method and system.
Background
Electronic data refers to objective data including characters, graphic symbols, numbers, letters and the like formed based on electronic technical means such as computer application, communication and modern management technology. Electronic data is data that is created during the occurrence of a case, stored, processed, transmitted in a digitized form, and can prove the fact of the case.
In the case examination process of the judicial authorities, the problems of difficult acquisition, difficult storage, difficult authentication and the like of electronic evidence generally exist. Especially when the authenticated electronic data is stored, the authenticity and integrity of the electronic data after being stored are ensured, so that the subsequent reading of the electronic data is very important in the case auditing process.
Disclosure of Invention
The embodiment of the application provides an electronic data evidence storing method and system based on a block chain, so that the authentication difficulty of electronic data is reduced, and the credibility of the electronic data is improved.
In a first aspect, an embodiment of the present application provides an electronic data evidence storing method based on a block chain, including:
acquiring electronic data, wherein the electronic data is stored in a target block corresponding to a first target node on a block chain, the first target node comprises a plurality of nodes, and the electronic data is issued by a second target node on the block chain;
performing judicial endorsement on the electronic data to generate a corresponding judicial mark;
and storing the judicial mark corresponding to the electronic data in a target block corresponding to a first target node on the block chain.
In one possible embodiment, the method further comprises:
and authenticating the second target node.
In a possible implementation, the method is applied to a third target node accessing the blockchain, and a first security influencing factor of the third target node meets a first security condition of accessing the blockchain;
and/or a second safety-affecting factor of the blockchain system satisfies a second safety condition.
In one possible implementation, the electronic data stored in the target block meets a preset judicial standard.
In one possible embodiment, the judicial marking comprises: an electronic signature and a timestamp; or, an electronic signature and a timestamp.
In a second aspect, an embodiment of the present application further provides an electronic data storage system based on a block chain, where the system includes:
the system comprises a storage module and a judicial endorsement module;
the system comprises a judicial endorsement module, a judicial endorsement module and a judicial endorsement module, wherein the judicial endorsement module is used for carrying out judicial endorsement on electronic data to generate corresponding judicial marks;
the storage module is configured to store the electronic data and the judicial mark corresponding to the electronic data in a target block corresponding to a first target node on a block chain, where the first target node includes a plurality of nodes, and the electronic data is issued by a second target node on the block chain.
In one possible embodiment, the system further comprises:
and the identity authentication module is used for carrying out identity verification on the second target node.
In a possible embodiment, the system further comprises a node access module and/or an operation management module;
the node access module is configured to manage a third target node accessing the block chain, so that a first security influencing factor of the third target node meets a first security condition of the access block chain;
the operation management module is used for managing the performance of the blockchain system during operation so that a second safety influence factor of the blockchain system meets a second safety condition.
In one possible implementation, the electronic data stored in the target block meets a preset judicial standard.
In one possible embodiment, the judicial marking comprises: an electronic signature and a timestamp; or, an electronic signature and a timestamp.
In the foregoing implementation manner of the embodiment of the present application, electronic data is obtained, where the electronic data may be stored in a target block corresponding to a first target node on a block chain, where the first target node includes a plurality of nodes, and the electronic data may be issued by a second target node on the block chain; then, judicial endorsement can be performed on the electronic data to generate a judicial mark, and the judicial mark corresponding to the electronic data is stored in a target block corresponding to a first target node on the block chain. The electronic data stored on the block chain has the judicial mark corresponding to the electronic data, so that the electronic data stored on the uplink is proved to be approved by the judicial certification, and the electronic data has higher credibility and legal effectiveness; meanwhile, the data stored on the blockchain has the characteristics of being not falsifiable and being completely marked with scars, so that the electronic data can be continuously provided with high credibility when being stored on the blockchain.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic flow chart illustrating an electronic data evidence storing method based on a block chain according to an embodiment of the present application;
fig. 2 is a schematic diagram of an architecture of an electronic data verification system based on a block chain according to an embodiment of the present application.
Detailed Description
In practical application, the electronic data can reflect the actual situation of the case, so that the credibility of the electronic data plays an important role in the process of examining and managing the case by a judicial authority. Accordingly, when storing electronic data, how to keep the stored electronic data continuously has high credibility, and is particularly critical in case management process.
Based on the above, the embodiment of the present application provides an electronic data evidence storing method based on a block chain, so that the stored electronic data always has higher credibility. Specifically, electronic data may be acquired, where the electronic data may be stored in a target block corresponding to a first target node on a block chain, where the first target node includes a plurality of nodes, and the electronic data may be issued by a second target node on the block chain; then, judicial endorsement can be performed on the electronic data to generate a judicial mark, and the judicial mark corresponding to the electronic data is stored in a target block corresponding to a first target node on the block chain. The electronic data stored on the block chain has the judicial mark corresponding to the electronic data, so that the electronic data stored on the uplink is proved to be approved by the judicial certification, and the electronic data has higher credibility and legal effectiveness; meanwhile, the data stored on the blockchain has the characteristics of being not falsifiable and being completely marked with scars, so that the electronic data can be continuously provided with high credibility when being stored on the blockchain.
The block chain is a distributed shared account book and a database, is formed by data blocks generated by cryptography and the connection relation between each block, and is a trust mechanism jointly maintained by multiple parties. The data stored by the block chain can be used for realizing decentralization, non-tampering, trace marking in the whole process, traceability, collective maintenance, public transparency and the like.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, various non-limiting embodiments accompanying the present application examples are described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.
Referring to fig. 1, fig. 1 is a schematic flowchart illustrating an electronic data certification method based on a block chain in an embodiment of the present application, where the method specifically includes:
s101: and acquiring electronic data, wherein the electronic data is stored in a target block corresponding to a first target node on a block chain, the first target node comprises a plurality of nodes, and the electronic data is issued by a second target node on the block chain.
In this embodiment, a plurality of nodes may access the blockchain at the same time, and the data issued by one node may be stored locally in each node after reaching the consensus with the rest of the nodes on the blockchain, that is, in the block corresponding to each node.
For convenience of description, a node that distributes electronic data will be referred to as a second target node, and a node that stores electronic data distributed by the second target node will be referred to as a first target node. In practice, the second target node may be one node, while the first target node may typically be a plurality of nodes.
In specific implementation, the second target node may call a data interface of the blockchain, broadcast the electronic data to other nodes on the blockchain through the network, and then, may implement consistency confirmation of each node on the blockchain for the electronic data by means of a consensus mechanism, and when determining that the electronic data received by each node is consistent, may store the electronic data in a block corresponding to its own node, so that each node on the blockchain may store the same electronic data and perform collective maintenance on the electronic data.
In a further possible embodiment, before the second target node issues the electronic data, the second target node may also be authenticated to verify whether the identity of the second target node is legitimate. If the second target node fails to pass the identity authentication, the second target node is not allowed to issue electronic data, so that the electronic data can be prevented from being issued on the block chain by an illegal node; and if the second target node passes the identity authentication, the second target node can be allowed to issue electronic data through a data interface of the blockchain, so that the reliability of the data on the blockchain can be improved. The identity authentication method for the second target node includes but is not limited to: and based on a u shield, or a cloud hosting u end, or an identity authentication mode based on a block chain.
S102: and carrying out judicial endorsement on the acquired electronic data to generate a corresponding judicial mark.
In this embodiment, for the acquired electronic data, a judicial endorsement may be performed on the electronic data. The judicial endorsement refers to a node (hereinafter referred to as a third target node) corresponding to a department with judicial effectiveness on a block chain such as a notarization department, a judicial certification center, a judicial authority and the like, the integrity and the accuracy of the electronic data can be verified after the electronic data subjected to the consensus mechanism is stored in the local node, and a judicial mark can be added to the electronic data after the electronic data passes the verification of the integrity and the accuracy, so that the electronic data with the judicial mark has the legal effectiveness, and the electronic data can be used as an electronic evidence approved by the judicial authority.
In an exemplary embodiment, the judicial marking, in particular, may be an electronic signature and a timestamp; alternatively, the forensic mark may be an electronic signature and a timestamp. Specifically, after the third target node completes the stability and integrity confirmation of the locally stored electronic data, a legal person or an authorized person of the third target node may perform a handwritten signature, that is, an electronic signature, through an electronic device, and determine a timestamp when the electronic signature is obtained, so that the electronic signature and the timestamp may be used as a judicial mark of the electronic data; alternatively, an electronic official seal may be set in advance for the third target node, and after the electronic data passes the verification, an electronic signature may be added to the electronic data, and at the same time, a time stamp to which the electronic signature is added may be determined, so that the electronic signature and the time stamp may be used as the judicial mark of the electronic data.
Further, when the judicial authority is used as a node on the access block chain, based on the specificity of the functions of the judicial authority, in this embodiment, the node of the access block chain may be managed correspondingly, so as to improve the requirements of the performance, stability, and the like of the block chain. Specifically, before the third target node accesses the blockchain, it may be checked whether the first security influencing factor of the third target node satisfies the first security condition of the access blockchain. If so, allowing the third target node to access the blockchain, and if not, denying the third target node to access the blockchain. As an example, the first security influencing factor may specifically include any one or more of intrusion prevention, malicious code prevention, trusted program execution, data integrity, data confidentiality, access control, security policy and management system, and a log, and accordingly, the first security condition is a preset access requirement for the node. For example, when the first security influencing factor includes data confidentiality, the corresponding first security condition may specifically be that a performance test result of the data confidentiality is confidential, and the like.
In addition, the security of the blockchain system can be managed. Specifically, the blockchain system may be correspondingly controlled, so that the second safety influencing factor of the blockchain system satisfies the second safety condition. As an example, the second security influencing factor may specifically include any one or more of consensus algorithm, stability, authority control, manageability, and security of an intelligent contract of the blockchain system. Accordingly, the second safety condition is the preset performance requirement for the blockchain system. For example, when the second safety influencing factor includes stability, the corresponding second safety condition may specifically be that the performance test result of the blockchain system is stable, and the like.
In addition, the electronic data stored on the blockchain can also be subjected to standardized management. Specifically, for the electronic data issued by the second target node, operations such as format adjustment, re-editing, authenticity verification and the like may be performed on the electronic data, so that the adjusted electronic data meets a preset judicial standard, that is, a standard specification corresponding to a judicial evidence meeting the judicial regulations. Illustratively, the preset judicial standards may include requirements for any one or more of generation of electronic data, generation time of electronic data, extraction and fixation of electronic data, transmission of electronic data, storage of electronic data, and verification of electronic data. For example, when the predetermined judicial standards include electronic data verification, characterizing the data stored on the blockchain requires that the verification process meet the jurisdictional regulations.
S103: and storing the judicial mark corresponding to the electronic data in a target block corresponding to the first target node on the block chain.
After the judicial endorsement of the electronic data is completed and the judicial mark corresponding to the electronic data is obtained, the judicial mark can be stored in the target block corresponding to the first target node on the block chain. Illustratively, the electronic data may be stored in correspondence with the judicial token. Thus, when the electronic data is read from the block chain (if there is a forensic requirement), if the acquired electronic data has a corresponding judicial mark at the same time, the electronic data can be considered to have high credibility, have judicial effectiveness, and can be used as electronic evidence in a judicial case.
Wherein the judicial indicia of the electronic data can reach a consensus at a corresponding plurality of nodes on the blockchain to form a globally consistent judicial consensus prior to storing the judicial indicia. For example, after a judicial authority, a judicial certification center, a judicial authority, and other nodes accessing a block chain add a judicial mark to the electronic data, each node needs to agree on the time, mark (which may include content, form, and the like) and the like of the judicial mark so as to form a globally consistent judicial consensus.
In this embodiment, electronic data may be acquired, where the electronic data may be stored in a target block corresponding to a first target node on a block chain, where the first target node includes a plurality of nodes, and the electronic data may be issued by a second target node on the block chain; then, judicial endorsement can be performed on the electronic data to generate a judicial mark, and the judicial mark corresponding to the electronic data is stored in a target block corresponding to a first target node on the block chain. The electronic data stored on the block chain has the judicial mark corresponding to the electronic data, so that the electronic data stored on the uplink is proved to be approved by the judicial certification, and the electronic data has higher credibility and legal effectiveness; meanwhile, the data stored on the blockchain has the characteristics of being not falsifiable and being completely marked with scars, so that the electronic data can be continuously provided with high credibility when being stored on the blockchain.
In addition, the embodiment of the application also provides an electronic data evidence storing system based on the block chain. Referring to fig. 2, fig. 2 is a schematic diagram illustrating an architecture of an electronic data storage system based on a block chain in an embodiment of the present application, where the system may specifically include a storage module and a judicial endorsement module.
The storage module may be configured to store electronic data issued by a second target node (for example, a data interface of the block chain may be called, and the electronic data is issued through a network) on the block chain, and specifically, may store the electronic data in a target block corresponding to a first target node on the block chain, where the second target node is one of nodes in the access block chain, and the first target node may include multiple nodes in the access block chain. For example, the storage module may store the electronic data in a target block corresponding to the first target node after the consistency of the electronic data is confirmed by each node in the block chain. In this way, each node on the blockchain may hold the same electronic data and maintain the electronic data collectively.
The judicial endorsement module can be used for performing judicial endorsement on the electronic data issued by the first target node and generating a judicial mark corresponding to the electronic data. For electronic data with a judicial mark, the electronic data can be considered to have high credibility, have judicial effectiveness, and can be used as electronic evidence in a judicial case.
In practical applications, the judicial marking of electronic data may be, for example, an electronic signature and a time stamp; alternatively, the forensic mark may be an electronic signature and a timestamp. The electronic signature may be a signature handwritten by a legal person or an authorized person of the third target node through the electronic device, and the electronic signature may be an electronic official seal of the third target node. And the timestamp may represent the time at which the third target node obtained the electronic signature or electronic signature. For example, the storage system of the electronic data may further include an electronic signature module and/or an electronic signature module, as shown in fig. 2, the electronic signature module may be configured to generate a judicial mark including an electronic signature and a timestamp for the electronic data during the judicial endorsement process, and the electronic signature module may be configured to generate a judicial mark including an electronic official seal and a timestamp for the electronic data during the judicial endorsement process.
After the electronic data has the judicial mark, the storage module may further store the judicial mark corresponding to the electronic data in the target block corresponding to the first target node on the block chain. For example, prior to storing the judicial token, the judicial token of the electronic data may reach consensus at a corresponding plurality of nodes on the blockchain to form a globally consistent judicial consensus. As shown in fig. 2, the embodiment may further include a judicial consensus module, where the judicial consensus module may be used to perform consensus on the judicial marked time, mark (which may include content, form, and the like) and the like of each node after the node having the judicial effectiveness and accessing the block chain, such as a notarization place, a judicial authentication center, and a judicial authority, adds a judicial mark to the electronic data, so as to form globally consistent judicial consensus.
In practical applications, the storage module may be further configured to manage block size, backup, archive, and the like of electronic data stored in each node or a part of nodes in the block chain. The functions of the present invention may also include other functions, which may be specifically set according to requirements of practical applications, and this is not limited in this embodiment.
The electronic data stored on the block chain has the judicial mark corresponding to the electronic data, so that the electronic data stored on the uplink is proved to be approved by the judicial certification, and the electronic data has higher credibility and legal effectiveness; meanwhile, the data stored on the blockchain has the characteristics of being not falsifiable and being completely marked with scars, so that the electronic data can be continuously provided with high credibility when being stored on the blockchain.
In a further possible implementation manner, in order to improve the validity of the node issuing the electronic data, in this embodiment, the storage system of the electronic data may further include an identity authentication module, as shown in fig. 2. The authentication block may be used to verify that the identity of a second target node that published the second electronic data is legitimate. If the second target node fails to pass the identity authentication, the second target node is not allowed to issue electronic data, so that the electronic data can be prevented from being issued on the block chain by an illegal node; and if the second target node passes the identity authentication, the second target node can be allowed to issue electronic data through a data interface of the blockchain, so that the reliability of the data on the blockchain can be improved. The identity authentication method for the second target node includes but is not limited to: and based on a u shield, or a cloud hosting u end, or an identity authentication mode based on a block chain.
Optionally, in this embodiment, the storage system for electronic data may further include an operating node access module, where the operating node access module may be configured to manage a third target node accessing the block chain, so that a first security influencing factor of the third target node meets a first security condition of accessing the block chain. As an example, the first security influencing factor may specifically include any one or more of intrusion prevention, malicious code prevention, trusted program execution, data integrity, data confidentiality, access control, security policy and management system, and a log, and accordingly, the first security condition is a preset access requirement for the node.
In one possible embodiment, the storage system for electronic data may further include a run management module to manage performance of the blockchain system at run-time such that a second security-affecting factor of the blockchain system satisfies a second security condition. As an example, the second security influencing factor may specifically include any one or more of consensus algorithm, stability, authority control, manageability, and security of an intelligent contract of the blockchain system. Accordingly, the second safety condition is the preset performance requirement for the blockchain system.
Of course, in practical application, the storage system of electronic data may also include an operation management module and a node access module at the same time, as shown in fig. 2, which is not limited in this embodiment.
In addition, the electronic data stored on the blockchain can also be subjected to standardized management. Specifically, for the electronic data issued by the second target node, operations such as format adjustment, re-editing, authenticity verification and the like may be performed on the electronic data, so that the adjusted electronic data meets a preset judicial standard, that is, a standard specification corresponding to a judicial evidence meeting the judicial regulations. Illustratively, the preset judicial standards may include requirements for any one or more of generation of electronic data, generation time of electronic data, extraction and fixation of electronic data, transmission of electronic data, storage of electronic data, and verification of electronic data. The node access module or the operation management module may implement standardized management of the electronic data; alternatively, the function (not shown in fig. 2) of performing standardized management of the electronic data by a module separately configured in the storage system of the electronic data is not limited in this embodiment.
In the embodiments of the present application, terms such as "first" and "second" are used to distinguish the same or similar items having substantially the same function and action. Those skilled in the art will appreciate that the terms "first," "second," etc. do not denote any order or quantity, nor do the terms "first," "second," etc. denote any order or importance.
As can be seen from the above description of the embodiments, those skilled in the art will clearly understand that all or part of the processes in the above embodiments may be implemented by software plus a general hardware platform. Based on such understanding, the technical solution of the present application may be embodied in the form of a software product, which may be stored in a storage medium, such as a read-only memory (ROM)/RAM, a magnetic disk, an optical disk, or the like, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network communication device such as a router) to execute the method according to the embodiments or some parts of the embodiments of the present application.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The above-described modules are merely illustrative, and the modules described as separate components may or may not be physically separate, and the components shown as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
The above description is only an exemplary embodiment of the present application, and is not intended to limit the scope of the present application.
Claims (10)
1. An electronic data evidence storing method based on a block chain is characterized by comprising the following steps:
acquiring electronic data, wherein the electronic data is stored in a target block corresponding to a first target node on a block chain, the first target node comprises a plurality of nodes, and the electronic data is issued by a second target node on the block chain;
performing judicial endorsement on the electronic data to generate a corresponding judicial mark;
and storing the judicial mark corresponding to the electronic data in a target block corresponding to a first target node on the block chain.
2. The method of claim 1, further comprising:
and authenticating the second target node.
3. The method of claim 1, wherein the method is applied to a third target node accessing the blockchain, wherein a first security concern of the third target node satisfies a first security condition for accessing the blockchain;
and/or a second safety-affecting factor of the blockchain system satisfies a second safety condition.
4. The method of claim 1, wherein the electronic data stored in the target block meets a preset judicial standard.
5. The method according to any one of claims 1 to 4, wherein the judicial marking comprises: an electronic signature and a timestamp; or, an electronic signature and a timestamp.
6. An electronic data evidence keeping system based on a blockchain, the system comprising:
the system comprises a storage module and a judicial endorsement module;
the system comprises a judicial endorsement module, a judicial endorsement module and a judicial endorsement module, wherein the judicial endorsement module is used for carrying out judicial endorsement on electronic data to generate corresponding judicial marks;
the storage module is configured to store the electronic data and the judicial mark corresponding to the electronic data in a target block corresponding to a first target node on a block chain, where the first target node includes a plurality of nodes, and the electronic data is issued by a second target node on the block chain.
7. The system of claim 6, further comprising:
and the identity authentication module is used for carrying out identity verification on the second target node.
8. The system according to claim 6, characterized in that the system further comprises a node access module and/or an operation management module;
the node access module is configured to manage a third target node accessing the block chain, so that a first security influencing factor of the third target node meets a first security condition of the access block chain;
the operation management module is used for managing the performance of the blockchain system during operation so that a second safety influence factor of the blockchain system meets a second safety condition.
9. The system of claim 6, wherein the electronic data stored in the target block meets a preset judicial standard.
10. The system according to any one of claims 6 to 9, wherein the judicial indicia comprises: an electronic signature and a timestamp; or, an electronic signature and a timestamp.
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