CN110535662B - Method and system for realizing user operation record based on block chain data certificate storage service - Google Patents
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Abstract
The invention discloses a method and a system for realizing user operation record based on block chain data evidence storage service, belonging to the block chain technology, and solving the technical problems of how to utilize the block chain technology to avoid the malicious tampering of user operation data, which leads to the incorrect tracking of user record, and how to avoid using the clumsy recording mode of traditional user operation, and the adopted technical scheme is as follows: the method comprises the following specific steps: establishing a certificate storage service platform: the certificate storage service platform comprises a block chain platform, a data management module and a certificate storage service module; uploading the data certificate to a block chain in a JSON form by a user; the evidence storage service module automatically carries out Hash calculation on the uploaded file, calculates the Hash value of the file, namely the digital fingerprint, and writes the Hash value into an intelligent evidence storage contract; the deposit transaction is signed by the user private key to ensure ownership of the evidence. The invention also discloses a system for realizing the user operation record based on the block chain data evidence storage service.
Description
Technical Field
The invention relates to a block chain technology, in particular to a method and a system for realizing user operation record based on block chain data evidence storage service.
Background
The blockchain technology is a decentralized and non-falsifiable shared book technology, a blockchain essentially markets a decentralized distributed database, the database is commonly maintained by all nodes on the blockchain, and the nodes are guaranteed to be invalid through a consensus algorithm, namely, the data on the blockchain cannot be falsified by only modifying the database of a small number of nodes.
Smart contracts, smart contracts on blockchains, are computer programs that execute automatically upon satisfaction of certain conditions, and once deployed on a blockchain, the execution logic is not tamperproof.
The electronic signature technology is to carry out electronic signature on dictionary documents through a cryptography technology and relates to an asymmetric key encryption technology. And carrying out hash operation on the electronic file or other contents, and encrypting the hash value by using a private key of a signer to obtain a signature value. When the signature is verified, the signature value is decrypted by using the public key and is compared with the hash value of the original text, and if the two hash values are consistent, the original text is not tampered.
The internet platform generally adopts a file log or a database operation record to record and track the user behavior of the platform, the two traditional recording modes can cause the log file to be clumsy along with the frequent use or long-time operation of the platform, in addition, the operation record of the user generally contains important information of the user, and once the platform data is influenced, a responsibility main body can be determined according to the user operation record. Therefore, how to utilize the block chain technology to avoid malicious tampering of user operation data, which leads to incorrect tracking of user records, and how to avoid using a recording mode that is clumsy for traditional user operations is a technical problem that needs to be solved urgently in the prior art at present.
Patent document CN107819777A discloses a data evidence storage method and system based on block chain technology, the method includes: generating a hash value corresponding to the received target file data through a hash algorithm; packaging the identity information of the user, the basic attribute data of the target file data and the hash value to generate a certificate storing data packet; adding a digital signature to the certificate storing data packet, generating a corresponding data ID and marking the certificate storing data packet; and generating an authentication ID, generating a certificate of storage containing the block information and authentication information after the certificate of storage data packet is confirmed, and sending the certificate of storage containing the block information and the authentication information to the block chain network for storage. According to the technical scheme, through a block chain technology, a user can store the content of data in situ, hash values corresponding to the data one to one are associated with relevant attributes and author personal information and stored in a trusted block chain, the data are not leaked, meanwhile, the originality and the attribution of the data can be proved, meanwhile, corresponding certificate storage certificates are generated, and ways for proving and verifying the certificates are provided for other people; however, the technical scheme cannot avoid that the user operation data is maliciously tampered, so that the user record cannot be correctly tracked, and meanwhile, a traditional recording mode with clumsy user operation is used.
Disclosure of Invention
The technical task of the invention is to provide a method and a system for realizing user operation recording based on a block chain data evidence storage service, so as to solve the problems that how to utilize a block chain technology to avoid malicious tampering of user operation data, so that user recording cannot be correctly tracked, and how to avoid using a clumsy recording mode of traditional user operation.
The technical task of the invention is realized in the following way, and the method for realizing the user operation record based on the block chain data evidence storage service specifically comprises the following steps:
establishing a certificate storage service platform, wherein the certificate storage service platform comprises a block chain platform, a data management module and a certificate storage service module; the certificate storage service module enables the user operation records on the whole certificate storage service platform to be transparent and visual, reduces the trust cost of each user of the platform and avoids the inconsistency of block information with actual operation;
uploading the data certificate to a block chain in a JSON form by a user;
the evidence storage service module automatically carries out Hash calculation on the uploaded file, calculates the Hash value of the file, namely the digital fingerprint, and writes the Hash value into an intelligent evidence storage contract;
the deposit transaction is signed by a private key of a user to ensure the ownership of evidence;
each block chain has definite creation time, when the evidence deposit transaction is encapsulated in the block chain, the evidence creation time is definite, and the existence, integrity, ownership and timeliness of the evidence are ensured through the evidence deposit service module;
the user uploads the behavior data certificate to the certificate storage service module in a JSON form, JSON strings generated by different user operations are different, keys generated after encryption are different, and the behavior operation of each user is definitely recorded on the block chain platform.
Preferably, when the evidence is a confidential evidence, only the evidence hash value is stored in the evidence storage service module, and the evidence file is not uploaded, so that the evidence preservation mode based on zero-knowledge proof has high confidentiality and is safer.
A system for realizing user operation record based on block chain data certificate storage service comprises a certificate storage service platform, wherein the certificate storage service platform comprises a block chain platform, a data management module and a certificate storage service module; the evidence storage service module is used for enabling the user operation records on the whole platform to be transparent and visual, reducing the trust cost of each user of the platform and avoiding the block information from being inconsistent with the actual operation.
Preferably, the blockchain platform comprises a main blockchain and a sub-blockchain for storing transaction data of each participant in the supply chain;
a plurality of sub-block chains are arranged;
the main block chain is used for storing transaction types, transaction participant information and transaction summary information, and the specific information of the transaction is recorded on the corresponding sub-block chain.
Preferably, the main blockchain is further used for storing addresses of the sub-blockchain transaction data and block header information of the sub-blockchain.
Preferably, the evidence storage service module is used for uploading the data evidence to the block chain in a JSON form by the user.
Preferably, the certificate storing service module works as follows:
the evidence storage service module automatically carries out Hash calculation on the uploaded file, calculates the Hash value of the file, namely the digital fingerprint, and writes the Hash value into an intelligent evidence storage contract;
the deposit transaction is signed by a private key of a user to ensure the ownership of evidence;
each block chain has definite creation time, and when the evidence storage transaction is packaged in the block chain, the evidence creation time is definite; through the evidence storage service module, the existence, the integrity, the ownership and the timeliness of the evidence are ensured.
Preferably, when the evidence needs to be kept secret, the evidence hash value is only stored in the evidence storage service module, and the evidence file is not uploaded.
Preferably, the data management module is configured to upload the behavior data credentials to the credential storage service module in a JSON form by a user, the JSON strings generated by different user operations are different, the keys generated after encryption are different, and the behavior operation of each user is recorded in a block chain platform explicitly.
The method and the system for realizing the user operation record based on the block chain data evidence storage service have the following advantages that:
the data storage certificate based on the block chain is that data is stored in the block chain in a JSON string mode, and a KEY for recording the data storage certificate through user operation is a unique user identifier and is stable; when the chain is rewritten due to the change of the data in the JSON string, historical data can be generated, namely the historical data can be inquired according to keys, so that the change record of the data on the chain can be obtained, a left mark is one of the characteristics of the block chain, and the uniqueness of the data is ensured by the data evidence storage service;
the certificate storage service platform is built, and mainly comprises a block chain platform, a data management module and a certificate storage service module, wherein the certificate storage service module enables user operation records on the whole platform to be transparent and visual, reduces trust cost of each user of the platform, and solves the problem that block information is inconsistent with actual operation;
and (III) the method for realizing the user operation record based on the block chain data evidence storage service can solve the problem that the user record cannot be correctly tracked due to the fact that the user operation data is maliciously tampered, and meanwhile solves the problem that the traditional user operation is clumsy.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a block diagram of a method for implementing user operation recording based on a blockchain data certification service;
fig. 2 is a block diagram of a system for implementing user operation recording based on a blockchain data certification service.
Detailed Description
The method and system for implementing user operation record based on the block chain data certification service according to the present invention will be described in detail with reference to the accompanying drawings and embodiments.
Example 1:
as shown in fig. 1, the method and system for implementing user operation record based on block chain data certificate storage service of the present invention specifically include the following steps:
s1, establishing a certificate storage service platform: the certificate storage service platform comprises a block chain platform, a data management module and a certificate storage service module; the certificate storage service module enables the user operation records on the whole certificate storage service platform to be transparent and visual, reduces the trust cost of each user of the platform and avoids the inconsistency of block information with actual operation;
s2, uploading the data certificate to a block chain in a JSON form by a user;
s3, the certificate storage service module automatically carries out hash calculation on the uploaded file, calculates the hash value of the file, namely the digital fingerprint, and writes the hash value into the certificate storage intelligent contract;
s4, the certificate storage transaction is signed by a private key of a user to ensure the ownership of the evidence;
s5, each block chain has definite creating time, when the evidence storing transaction is packaged in the block chain, the evidence creating time is definite, and the existence, the integrity, the ownership and the timeliness of the evidence are ensured through the evidence storing service module;
and S6, uploading the behavior data certificate to the certificate storage service module in a JSON form by the user, and explicitly recording the behavior operation of each user on the blockchain platform.
When the evidence in the step S4 is a confidential evidence, only the evidence hash value is saved to the evidence saving service module, and the evidence file is not uploaded, so that the evidence preservation method based on zero knowledge proof has high confidentiality and is safer.
Example 2:
as shown in fig. 2, a system for implementing user operation recording based on a blockchain data certificate storage service in embodiment 1 includes a certificate storage service platform, where the certificate storage service platform includes a blockchain platform, a data management module, and a certificate storage service module; the blockchain platform comprises a main blockchain and a sub-blockchain, wherein the main blockchain and the sub-blockchain are used for storing transaction data of all participants in a supply chain; a plurality of sub-block chains are arranged; the main block chain is used for storing transaction types, transaction participant information and transaction summary information, and the specific information of the transaction is recorded on the corresponding sub-block chain and is also used for storing the address of the transaction data of the sub-block chain and the block header information of the sub-block chain.
The evidence storage service module is used for enabling user operation records on the whole platform to be transparent and visual, reducing trust cost of each user of the platform and avoiding the block information from being inconsistent with actual operation, and meanwhile, the evidence storage service module is used for enabling the user to upload the data evidence to the block chain in a JSON form. The certificate storing service module works as follows:
the evidence storage service module automatically carries out Hash calculation on the uploaded file, calculates the Hash value of the file, namely the digital fingerprint, and writes the Hash value into an intelligent evidence storage contract;
the deposit transaction is signed by a private key of a user to ensure the ownership of evidence;
each block chain has definite creation time, and when the evidence storage transaction is packaged in the block chain, the evidence creation time is definite; through the evidence storage service module, the existence, the integrity, the ownership and the timeliness of the evidence are ensured.
When the evidence needs to be kept secret, the evidence hash value is only stored in the evidence storage service module, and the evidence file is not uploaded.
The data management module is used for uploading the behavior data certificate to the certificate storage service module in a JSON form by a user, JSON strings generated by different user operations are different, secret keys generated after encryption are different, and the behavior operation of each user is recorded into the block chain platform clearly.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The method for realizing the user operation record based on the block chain data certificate storage service is characterized by comprising the following steps:
establishing a certificate storage service platform: the certificate storage service platform comprises a block chain platform, a data management module and a certificate storage service module; the evidence storage service module enables the user operation records on the whole evidence storage service platform to be transparent and visual, reduces the trust cost of each user of the platform and avoids the inconsistency of block information with actual operation;
uploading the data certificate to a block chain in a JSON form by a user;
the evidence storage service module automatically carries out Hash calculation on the uploaded file, calculates the Hash value of the file, namely the digital fingerprint, and writes the Hash value into an intelligent evidence storage contract;
the deposit transaction is signed by a private key of a user to ensure the ownership of evidence;
each block chain has definite creation time, when the evidence deposit transaction is encapsulated in the block chain, the evidence creation time is definite, and the existence, integrity, ownership and timeliness of the evidence are ensured through the evidence deposit service module;
uploading the behavior data credentials to a credential storage service module in a JSON form by a user, and definitely recording the behavior operation of each user on a block chain platform;
the data management module is used for uploading the behavior data certificate to the certificate storage service module in a JSON form by the user, and the behavior operation of each user is definitely recorded in the block chain platform; the block chain platform comprises a main block chain and a sub-block chain, wherein the main block chain and the sub-block chain are used for storing transaction data of all participants in a supply chain;
a plurality of sub-block chains are arranged;
the main block chain is used for storing transaction types, transaction participant information and transaction summary information, and the specific information of the transaction is recorded on the corresponding sub-block chain.
2. The method for realizing user operation recording based on blockchain data evidence saving service of claim 1, wherein when the evidence is a confidential evidence, only the evidence hash value is saved to the evidence saving service module.
3. A system for realizing user operation record based on block chain data certificate storage service is characterized by comprising a certificate storage service platform, wherein the certificate storage service platform comprises a block chain platform, a data management module and a certificate storage service module; the evidence storage service module is used for enabling user operation records on the whole platform to be transparent and visual, reducing trust cost of each user of the platform and avoiding the block information from being inconsistent with actual operation, and meanwhile, the evidence storage service module is used for enabling the user to upload data evidence to a block chain in a JSON form; the certificate storing service module works as follows:
the evidence storage service module automatically carries out Hash calculation on the uploaded file, calculates the Hash value of the file, namely the digital fingerprint, and writes the Hash value into an intelligent evidence storage contract;
the deposit transaction is signed by a private key of a user to ensure the ownership of evidence;
each block chain has definite creation time, and when the evidence storage transaction is packaged in the block chain, the evidence creation time is definite; through the evidence storage service module, the existence, integrity, ownership and timeliness of the evidence are ensured;
the data management module is used for uploading the behavior data certificate to the certificate storage service module in a JSON form by a user, JSON strings generated by different user operations are different, secret keys generated after encryption are different, and the behavior operation of each user is definitely recorded into a block chain platform; the blockchain platform comprises a main blockchain and a sub-blockchain, wherein the main blockchain and the sub-blockchain are used for storing transaction data of all participants in a supply chain;
a plurality of sub-block chains are arranged;
the main block chain is used for storing transaction types, transaction participant information and transaction summary information, and the specific information of the transaction is recorded on the corresponding sub-block chain.
4. The system for enabling user-operated recording based on blockchain data certification service of claim 3, wherein the master blockchain is further configured to store an address of the subblockchain transaction data and blockchain header information of the subblockchain.
5. The system for realizing user operation recording based on the blockchain data evidence storing service of claim 3, wherein when the evidence is an evidence needing to be kept secret, only the evidence hash value is stored in the evidence storing service module.
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| CN111159664A (en) * | 2019-12-06 | 2020-05-15 | 深圳市科南软件有限公司 | Method and system for publishing and storing evidence based on experiment data of block chain |
| CN111200501A (en) * | 2019-12-31 | 2020-05-26 | 杭州趣链科技有限公司 | Electronic evidence storage service system based on block chain |
| CN111784339A (en) * | 2020-05-19 | 2020-10-16 | 杭州亿房达科技有限公司 | Commodity room project license file anti-counterfeiting and storage method based on block chain |
| CN111786792A (en) * | 2020-06-16 | 2020-10-16 | 杭州溪塔科技有限公司 | Block chain-based data change recording method and device |
| CN112003704B (en) * | 2020-07-31 | 2024-06-11 | 中科扶云(杭州)科技有限公司 | Electronic evidence processing method and device and computer equipment |
| CN112153039B (en) * | 2020-09-21 | 2022-03-18 | 中国电子科技网络信息安全有限公司 | Data storage certificate sharing method based on block chain |
| CN112434342A (en) * | 2020-11-13 | 2021-03-02 | 上海玳鸽信息技术有限公司 | Electronic certificate storage method and system based on block chain |
| CN112632637A (en) * | 2020-12-23 | 2021-04-09 | 杭州趣链科技有限公司 | Tamper-proof evidence obtaining method, system, device, storage medium and electronic equipment |
| CN112685795B (en) * | 2020-12-31 | 2023-09-05 | 树根互联股份有限公司 | Digital certificate creation method, digital certificate verification method and digital certificate system |
| CN112734578B (en) * | 2021-01-18 | 2024-02-13 | 北交金科金融信息服务有限公司 | Enterprise parallel purchase and financing information service platform based on blockchain technology |
| CN113407361B (en) * | 2021-05-27 | 2023-07-11 | 中国联合网络通信集团有限公司 | Desktop access control method and system |
| CN113807845B (en) * | 2021-08-05 | 2024-05-24 | 贝壳找房(北京)科技有限公司 | Real estate transaction system based on blockchain and implementation method thereof |
| CN113806738A (en) * | 2021-09-01 | 2021-12-17 | 浪潮卓数大数据产业发展有限公司 | Block chain-based user behavior tracking method and system |
| CN115150150B (en) * | 2022-06-28 | 2024-01-26 | 北京送好运信息技术有限公司 | Information recording method based on block chain technology |
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