CN112131309A - Data evidence storing method and system based on block chain technology - Google Patents
Data evidence storing method and system based on block chain technology Download PDFInfo
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
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Abstract
The invention discloses a data evidence storing method and a system based on a block chain technology, which comprises the following steps: and sending authorization information of the user data and authorization information processed by using a third-party terminal to a server, storing the authorization information of the user in a block chain, acquiring target file data input by the user, and generating a hash value corresponding to the target file data through a hash algorithm. According to the block chain authentication and verification system, the block chain technology has the characteristics of decentralization, data transparency, non-falsification, collective maintenance and the like, the block chain authentication and verification system which can be traced, prevented from falsification, supervised and ensured to be private is constructed through the selected alliance block chain, the system comprises a client, a third party terminal and a server, the authorization behavior of a user and the authentication behavior of the third party terminal and the server can be completely recorded and cannot be falsified, and meanwhile, a supervisor is allowed to supervise all records, so that the compliance and legality in the data authentication process are ensured.
Description
Technical Field
The invention relates to the technical field of data storage certificate, in particular to a data storage certificate method and system based on a block chain technology.
Background
With the development of the era, personal data related to the government and government affair system is more and more detailed, and the demand of each social organization (client) on the personal data generated by the government and government affair system (server side) is strengthened, the government and government affair system discloses the personal privacy data, the legal interest of the third party terminal can be damaged after the disclosure, therefore, the agreement of the third party terminal should be obtained, however, according to the traditional mode, the user authorizes the client side to use the personal privacy data related to the government information, if the authorization information is stored in the local database of the client side and is transmitted to the server side through the interface mode, and the database is maintained by the client side, then there is a very large risk of compliance, therefore, how to open the personal privacy data of the government and government affair system to the society, how to enable the user to safely and, The data is used in a compliance mode without influencing the legal rights of a third-party terminal, and the problem that the data is placed before a supervision layer and data storage is solved.
Disclosure of Invention
The invention aims to provide a data evidence storing method and a data evidence storing system based on a block chain technology, which have the advantages of improving safety mutual trust and solve the technical problems that in the prior art, a user can safely and conveniently use personal privacy data without influencing the legal rights and interests of a third-party terminal and how to supervise and store the data.
In order to achieve the purpose, the invention provides the following technical scheme: a data storage method and system based on block chain technology includes the following steps:
the method comprises the following steps: sending authorization information of user data and authorization information for processing by using a third-party terminal to a server side, and storing the authorization information of the user in a block chain;
step two: acquiring target file data input by a user, and generating a hash value corresponding to the target file data through a hash algorithm;
step three: acquiring identity information of a user and basic attribute data of target file data, and packaging the identity information, the basic attribute data and a hash value to generate a certificate storage data packet;
step four: adding a digital signature to the certificate storing data packet, generating a corresponding data ID and marking the certificate storing data packet;
step five: marking the certificate storing data packet to generate an authentication ID, confirming the certificate storing data packet, storing the data ID and the corresponding certificate storing data packet, generating a certificate storing certificate containing the authentication ID, block information and authentication information, and sending the certificate storing certificate to a block chain network; the certificate of deposit certificate still includes: identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network;
step six: the block chain network stores the certificate storing data containing the certificate storing certificate;
step seven: and coding the data request information to generate first authentication information, and storing the first authentication information into the block chain.
Preferably, the authorization information includes a transaction id, a client code, a third party terminal code, an authorization data directory, and an authorization data directory fingerprint.
Preferably, the data request information includes information such as an identification number, a production right number, a license plate number and the like, and the first authentication information includes a transaction id, a client code, a data request information fingerprint and a timestamp.
Preferably, the second step obtains the target file data input by the user, generates a hash value corresponding to the target file data through a hash algorithm, and then judges whether the hash value exists according to the generated hash value of the evidence storing data packet, if so, feeds back prompt information that the target file data corresponding to the hash value already exists, and if not, executes the third step.
Preferably, in the fifth step, after the certificate of authenticity is generated, the network address and the picture corresponding to the certificate of authenticity are generated for checking the certificate of authenticity, and the block link network is connected according to the two-dimensional code information of the certificate of authenticity in the network address or the picture, so as to verify the information data included in the certificate of authenticity.
Preferably, the server is connected to the client and the third party terminal, and includes a server end node, and the server end node is added to the block chain and issues the block chain to the network, and includes a receiving module, a first sending module, and a first verifying module.
Preferably, the third-party terminal is connected to the client and the server respectively, and includes a third-party terminal node, and the third-party terminal node is added to the block chain and issues the block chain to the network, and includes a receiving module, a second verification module, and a second authentication information module.
Preferably, the client includes: the data comparison subsystem is used for judging whether the hash value exists according to the generated hash value of the evidence storing data packet, and if so, feeding back prompt information that the target file data corresponding to the hash value exists; and if not, generating a new evidence storage data packet according to the hash value.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the block chain authentication and verification system, the block chain technology has the characteristics of decentralization, data transparency, non-falsification, collective maintenance and the like, the block chain authentication and verification system which can be traced, prevented from falsification, supervised and ensured to be private is constructed through the selected alliance block chain, the system comprises a client, a third party terminal and a server, the authorization behavior of a user and the authentication behavior of the third party terminal and the server can be completely recorded and cannot be falsified, and meanwhile, a supervisor is allowed to supervise all records, so that the compliance and legality in the data authentication process are ensured.
2. The invention can store the data content in situ, and store the hash value corresponding to the data one by one, the related attribute and the author personal information into the credible block chain, which can not leak the data, prove the original and attribution of the data, and generate the corresponding certificate of storage, and provide the way for others to prove and verify the certificate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below clearly and completely in connection with the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A data storage method and system based on block chain technology includes the following steps:
the method comprises the following steps: sending authorization information of user data and authorization information for processing by using a third-party terminal to a server side, and storing the authorization information of the user in a block chain;
step two: acquiring target file data input by a user, and generating a hash value corresponding to the target file data through a hash algorithm;
step three: acquiring identity information of a user and basic attribute data of target file data, and packaging the identity information, the basic attribute data and a hash value to generate a certificate storage data packet;
step four: adding a digital signature to the certificate storing data packet, generating a corresponding data ID and marking the certificate storing data packet;
step five: marking the certificate storing data packet to generate an authentication ID, confirming the certificate storing data packet, storing the data ID and the corresponding certificate storing data packet, generating a certificate storing certificate containing the authentication ID, block information and authentication information, and sending the certificate storing certificate to a block chain network; the certificate of deposit certificate still includes: identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network;
step six: the block chain network stores the certificate storing data containing the certificate storing certificate;
step seven: and coding the data request information to generate first authentication information, and storing the first authentication information into the block chain.
The first embodiment is as follows:
sending the authorization information of the user data and the authorization information processed by the third party terminal to the server terminal, storing the user authorization information into a block chain, acquiring target file data input by a user, generating a hash value corresponding to the target file data through a hash algorithm, acquiring the identity information of the user and the basic attribute data of the target file data, packaging the identity information, the basic attribute data and the hash value to generate a card storage data packet, adding digital signature to the certificate storing data packet, generating corresponding data ID to mark the certificate storing data packet, after marking the data packet, generating authentication ID, after confirming the data packet, storing the data ID and the corresponding data packet, generating a certificate of authenticity including the authentication ID, the block information and the authentication information, and sending the certificate of authenticity to the block chain network; the certificate of deposit certificate still includes: the identity authentication method comprises the steps of identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network, wherein the block chain network stores certificate storage data containing certificate storage certificates, encodes data request information, generates first authentication information and stores the first authentication information in a block chain.
Example two:
in example one, the following additional steps were added:
the authorization information comprises a transaction id, a client code, a third party terminal code, an authorization data directory and an authorization data directory fingerprint.
Sending the authorization information of the user data and the authorization information processed by the third party terminal to the server terminal, storing the user authorization information into a block chain, acquiring target file data input by a user, generating a hash value corresponding to the target file data through a hash algorithm, acquiring the identity information of the user and the basic attribute data of the target file data, packaging the identity information, the basic attribute data and the hash value to generate a card storage data packet, adding digital signature to the certificate storing data packet, generating corresponding data ID to mark the certificate storing data packet, after marking the data packet, generating authentication ID, after confirming the data packet, storing the data ID and the corresponding data packet, generating a certificate of authenticity including the authentication ID, the block information and the authentication information, and sending the certificate of authenticity to the block chain network; the certificate of deposit certificate still includes: the identity authentication method comprises the steps of identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network, wherein the block chain network stores certificate storage data containing certificate storage certificates, encodes data request information, generates first authentication information and stores the first authentication information in a block chain.
Example three:
in example two, the following additional steps were added:
the data request information comprises information such as an identity card number, a production right number, a license plate number and the like, and the first authentication information comprises a transaction id, a client code, a data request information fingerprint and a timestamp.
Sending the authorization information of the user data and the authorization information processed by the third party terminal to the server terminal, storing the user authorization information into a block chain, acquiring target file data input by a user, generating a hash value corresponding to the target file data through a hash algorithm, acquiring the identity information of the user and the basic attribute data of the target file data, packaging the identity information, the basic attribute data and the hash value to generate a card storage data packet, adding digital signature to the certificate storing data packet, generating corresponding data ID to mark the certificate storing data packet, after marking the data packet, generating authentication ID, after confirming the data packet, storing the data ID and the corresponding data packet, generating a certificate of authenticity including the authentication ID, the block information and the authentication information, and sending the certificate of authenticity to the block chain network; the certificate of deposit certificate still includes: the identity authentication method comprises the steps of identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network, wherein the block chain network stores certificate storage data containing certificate storage certificates, encodes data request information, generates first authentication information and stores the first authentication information in a block chain.
Example four:
in example three, the following additional steps were added:
and step two, acquiring target file data input by a user, generating a hash value corresponding to the target file data through a hash algorithm, judging whether the hash value exists according to the generated hash value of the evidence storing data packet, if so, feeding back prompt information of the target file data corresponding to the hash value, and if not, executing step three.
Sending the authorization information of the user data and the authorization information processed by the third party terminal to the server terminal, storing the user authorization information into a block chain, acquiring target file data input by a user, generating a hash value corresponding to the target file data through a hash algorithm, acquiring the identity information of the user and the basic attribute data of the target file data, packaging the identity information, the basic attribute data and the hash value to generate a card storage data packet, adding digital signature to the certificate storing data packet, generating corresponding data ID to mark the certificate storing data packet, after marking the data packet, generating authentication ID, after confirming the data packet, storing the data ID and the corresponding data packet, generating a certificate of authenticity including the authentication ID, the block information and the authentication information, and sending the certificate of authenticity to the block chain network; the certificate of deposit certificate still includes: the identity authentication method comprises the steps of identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network, wherein the block chain network stores certificate storage data containing certificate storage certificates, encodes data request information, generates first authentication information and stores the first authentication information in a block chain.
Example five:
in example four, the following additional steps were added:
and step five, after generating a certificate of storage containing the block information and the authentication information, generating a network address and a picture corresponding to the certificate of storage, checking the certificate of storage, connecting the block chain network according to the two-dimensional code information of the certificate of storage in the network address or the picture, and verifying the information data included in the certificate of storage.
Sending the authorization information of the user data and the authorization information processed by the third party terminal to the server terminal, storing the user authorization information into a block chain, acquiring target file data input by a user, generating a hash value corresponding to the target file data through a hash algorithm, acquiring the identity information of the user and the basic attribute data of the target file data, packaging the identity information, the basic attribute data and the hash value to generate a card storage data packet, adding digital signature to the certificate storing data packet, generating corresponding data ID to mark the certificate storing data packet, after marking the data packet, generating authentication ID, after confirming the data packet, storing the data ID and the corresponding data packet, generating a certificate of authenticity including the authentication ID, the block information and the authentication information, and sending the certificate of authenticity to the block chain network; the certificate of deposit certificate still includes: the identity authentication method comprises the steps of identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network, wherein the block chain network stores certificate storage data containing certificate storage certificates, encodes data request information, generates first authentication information and stores the first authentication information in a block chain.
Example six:
in example five, the following additional steps were added:
the server end is respectively connected with the client and the third party terminal, comprises server end nodes, is added into the block chain and issues the block chain to the network, and comprises a receiving module, a first sending module and a first verification module.
Sending the authorization information of the user data and the authorization information processed by the third party terminal to the server terminal, storing the user authorization information into a block chain, acquiring target file data input by a user, generating a hash value corresponding to the target file data through a hash algorithm, acquiring the identity information of the user and the basic attribute data of the target file data, packaging the identity information, the basic attribute data and the hash value to generate a card storage data packet, adding digital signature to the certificate storing data packet, generating corresponding data ID to mark the certificate storing data packet, after marking the data packet, generating authentication ID, after confirming the data packet, storing the data ID and the corresponding data packet, generating a certificate of authenticity including the authentication ID, the block information and the authentication information, and sending the certificate of authenticity to the block chain network; the certificate of deposit certificate still includes: the identity authentication method comprises the steps of identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network, wherein the block chain network stores certificate storage data containing certificate storage certificates, encodes data request information, generates first authentication information and stores the first authentication information in a block chain.
Example seven:
in example six, the following additional steps were added:
the third-party terminal is respectively connected with the client and the server, comprises a third-party terminal node, is added into the block chain and issues the block chain to the network, and comprises a receiving module, a second verification module and a second authentication information module.
Sending the authorization information of the user data and the authorization information processed by the third party terminal to the server terminal, storing the user authorization information into a block chain, acquiring target file data input by a user, generating a hash value corresponding to the target file data through a hash algorithm, acquiring the identity information of the user and the basic attribute data of the target file data, packaging the identity information, the basic attribute data and the hash value to generate a card storage data packet, adding digital signature to the certificate storing data packet, generating corresponding data ID to mark the certificate storing data packet, after marking the data packet, generating authentication ID, after confirming the data packet, storing the data ID and the corresponding data packet, generating a certificate of authenticity including the authentication ID, the block information and the authentication information, and sending the certificate of authenticity to the block chain network; the certificate of deposit certificate still includes: the identity authentication method comprises the steps of identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network, wherein the block chain network stores certificate storage data containing certificate storage certificates, encodes data request information, generates first authentication information and stores the first authentication information in a block chain.
Example eight:
in example seven, the following additional steps were added:
the client comprises: the data comparison subsystem is used for judging whether the hash value exists according to the generated hash value of the evidence storing data packet, and if so, feeding back prompting information existing in the target file data corresponding to the hash value; and if not, generating a new evidence storage data packet according to the hash value.
Sending the authorization information of the user data and the authorization information processed by the third party terminal to the server terminal, storing the user authorization information into a block chain, acquiring target file data input by a user, generating a hash value corresponding to the target file data through a hash algorithm, acquiring the identity information of the user and the basic attribute data of the target file data, packaging the identity information, the basic attribute data and the hash value to generate a card storage data packet, adding digital signature to the certificate storing data packet, generating corresponding data ID to mark the certificate storing data packet, after marking the data packet, generating authentication ID, after confirming the data packet, storing the data ID and the corresponding data packet, generating a certificate of authenticity including the authentication ID, the block information and the authentication information, and sending the certificate of authenticity to the block chain network; the certificate of deposit certificate still includes: the identity authentication method comprises the steps of identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network, wherein the block chain network stores certificate storage data containing certificate storage certificates, encodes data request information, generates first authentication information and stores the first authentication information in a block chain.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A data storage method and system based on block chain technology are characterized in that: the method comprises the following steps:
the method comprises the following steps: sending authorization information of user data and authorization information processed by a third-party terminal to a server side, and storing the user authorization information on a block chain;
step two: acquiring target file data input by a user, and generating a hash value corresponding to the target file data through a hash algorithm;
step three: acquiring identity information of a user and basic attribute data of target file data, and packaging the identity information, the basic attribute data and a hash value to generate a certificate storage data packet;
step four: adding a digital signature to the certificate storing data packet, generating a corresponding data ID and marking the certificate storing data packet;
step five: marking the certificate storing data packet to generate an authentication ID, confirming the certificate storing data packet, storing the data ID and the corresponding certificate storing data packet, generating a certificate storing certificate containing the authentication ID, block information and authentication information, and sending the certificate storing certificate to a block chain network; the certificate of deposit certificate still includes: identity information, basic attribute data, a hash value and a two-dimensional code connected to a block chain network;
step six: the block chain network stores the certificate storing data containing the certificate storing certificate;
step seven: and encoding the data request information to generate first authentication information, and storing the first authentication information on the block chain.
2. The method and system of claim 1 for data certification based on blockchain technology, wherein: the authorization information comprises a transaction id, a client code, a third party terminal code, an authorization data directory and an authorization data directory fingerprint.
3. The method and system of claim 1 for data certification based on blockchain technology, wherein: the data request information comprises information such as an identity card number, a production right number, a license plate number and the like, and the first authentication information comprises a transaction id, a client code, a data request information fingerprint and a timestamp.
4. The method and system of claim 1 for data certification based on blockchain technology, wherein: and step two, acquiring target file data input by a user, generating a hash value corresponding to the target file data through a hash algorithm, judging whether the hash value exists according to the generated hash value of the evidence storing data packet, if so, feeding back prompt information of the target file data corresponding to the hash value, and if not, executing step three.
5. The method and system of claim 1 for data certification based on blockchain technology, wherein: and in the fifth step, after the certificate of authenticity is generated and contains the block information and the authentication information, a network address and a picture corresponding to the certificate of authenticity are generated and used for checking the certificate of authenticity, and the block chain network is connected according to the two-dimensional code information of the certificate of authenticity in the network address or the picture to verify the information data contained in the certificate of authenticity.
6. The method and system of claim 1 for data certification based on blockchain technology, wherein: the server end is respectively connected with the client and the third party terminal, comprises a server end node, is added into the block chain and issues the block chain to the network, and comprises a receiving module, a first sending module and a first verification module.
7. The method and system of claim 6 for data certification based on blockchain technology, wherein: the third-party terminal is respectively connected with the client and the server, comprises a third-party terminal node, is added into the block chain, issues the block chain to the network, and comprises a receiving module, a second verification module and a second authentication information module.
8. The method and system of claim 6 for data certification based on blockchain technology, wherein: the client comprises: the data comparison subsystem is used for judging whether the hash value exists according to the generated hash value of the evidence storing data packet, and if so, feeding back prompt information of the existing target file data corresponding to the hash value; and if not, generating a new evidence storage data packet according to the hash value.
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| CN113127770A (en) * | 2021-04-19 | 2021-07-16 | 杭州奇宁数据科技有限公司 | Medal block chain data management technical system and method |
| CN113360931A (en) * | 2021-06-29 | 2021-09-07 | 上海万向区块链股份公司 | Safety protection system and method for judicial electronic delivery information based on block chain |
| CN113360931B (en) * | 2021-06-29 | 2022-11-08 | 上海万向区块链股份公司 | System and method for safeguarding judicial electronic delivery information based on block chain |
| CN114900534A (en) * | 2022-03-29 | 2022-08-12 | 中南大学 | Big data supervision method based on block chain technology |
| CN114900534B (en) * | 2022-03-29 | 2023-04-07 | 中南大学 | Big data supervision method based on block chain technology |
| CN116186787A (en) * | 2022-11-28 | 2023-05-30 | 河南九域腾龙信息工程有限公司 | Data storage method and system based on blockchain technology |
| CN116186787B (en) * | 2022-11-28 | 2023-11-10 | 河南九域腾龙信息工程有限公司 | Data storage method and system based on blockchain technology |
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