CN107819777B - 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 PDF

Info

Publication number
CN107819777B
CN107819777B CN201711144515.9A CN201711144515A CN107819777B CN 107819777 B CN107819777 B CN 107819777B CN 201711144515 A CN201711144515 A CN 201711144515A CN 107819777 B CN107819777 B CN 107819777B
Authority
CN
China
Prior art keywords
data
certificate
subsystem
storing
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201711144515.9A
Other languages
Chinese (zh)
Other versions
CN107819777A (en
Inventor
朱志文
张国强
赖双青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lims (Beijing) Block Chain Technology Co.,Ltd.
Original Assignee
Lims Beijing Block Chain Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lims Beijing Block Chain Technology Co ltd filed Critical Lims Beijing Block Chain Technology Co ltd
Priority to CN201711144515.9A priority Critical patent/CN107819777B/en
Publication of CN107819777A publication Critical patent/CN107819777A/en
Application granted granted Critical
Publication of CN107819777B publication Critical patent/CN107819777B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/12Applying verification of the received information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0823Network architectures or network communication protocols for network security for authentication of entities using certificates
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/12Applying verification of the received information
    • H04L63/123Applying verification of the received information received data contents, e.g. message integrity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0643Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Storage Device Security (AREA)

Abstract

The invention relates to a data evidence storing method and a system based on a block chain technology, wherein the method comprises the following steps: 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. Through the block chain technology, a user can store the data content in situ, hash values corresponding to the data one to one, relevant attributes and author personal information are associated 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 a way for proving and verifying the certificates is provided for other people.

Description

Data evidence storing method and system based on block chain technology
Technical Field
The invention relates to the technical field of data management, in particular to a data evidence storing method and system based on a block chain technology.
Background
At present, with the continuous development of the internet technology, the block chain technology is mature day by day, a database is maintained through a plurality of nodes together, the safety and reliability of data are guaranteed, and the properties of decentralization, openness and transparency, tamper resistance and the like can be used as a trusted platform for storing original data certificates.
At present, original electronic data such as documents, codes, pictures, audios and videos, 3D model works and the like are protected basically by encrypting or watermarking the works, originality and attribute of the data are difficult to prove, electronic data are stored by a third party, the proving strength is very limited, on one hand, a server of the third party has the threat of malicious attack and data leakage and tampering, on the other hand, the third party can also tamper the data and abuse user data and the like, and the data leakage is easy to cause.
Therefore, in view of the above disadvantages, it is desirable to provide a data verification method and system based on the block chain technology.
Disclosure of Invention
Technical problem to be solved
The technical problems to be solved by the embodiment of the invention are to solve the problems that the originality and attribute of file data cannot be effectively proved, and the data is easy to be tampered due to malicious intrusion.
(II) technical scheme
In order to solve the above technical problem, an embodiment of the present invention provides a data evidence storing method based on a block chain technology, including:
s1, acquiring target file data input by a user, and generating a hash value corresponding to the target file data through a hash algorithm;
s2, acquiring identity information of a user and basic attribute data of the target file data, and packaging the identity information, the basic attribute data and the hash value to generate a certificate storage data packet;
s3, adding a digital signature to the certificate storing data packet, generating a corresponding data ID and marking the certificate storing data packet;
s4, generating an authentication ID, after the certificate storing data packet is confirmed, storing the data ID and the corresponding certificate storing data packet, generating a certificate storing certificate containing the block information and the authentication information, and sending the certificate storing certificate to the block chain network;
and S5, the block chain network stores the certificate storing data containing the certificate storing certificate.
On the basis of the above technical solutions, the embodiments of the present invention may be further improved as follows.
Optionally, after acquiring the target file data input by the user and generating a hash value corresponding to the target file data through a hash algorithm in S1, the method further includes:
judging whether the hash value exists according to the generated hash value of the evidence storing data packet, if so, feeding back prompt information that target file data corresponding to the hash value already exists; if not, S2 is executed.
The optional scheme has the advantages that the same hash value cannot be generated in any difference in plain text according to the characteristics of the hash value, so that whether the newly input file data generate the evidence storage data packet or not can be judged according to the uniqueness of the hash value, the verification of the target file data input by a user is realized, and the occurrence of malicious repeated input registration is avoided.
Optionally, the identity information includes: the system comprises a user name, an identity card number, a mobile phone number and a mailbox; the basic attribute data includes: finally, modifying time, file title, file size and file format; the certificate of deposit certificate includes: the authentication ID, the identity information, the basic attribute data, the hash value, and a two-dimensional code connected to the blockchain network.
The optional scheme has the advantages that the uniqueness of the data packet is improved and the risk of the data packet being imitated is reduced by packaging identification information and hash values in the identity information of the user and the basic attribute data of the file data.
Optionally, after generating the certificate of authenticity including the tile information and the authentication information in S4, the method further includes:
generating a network address and/or a picture corresponding to the certificate of authenticity for viewing the certificate of authenticity;
and connecting the block chain network according to the two-dimension code information of the certificate of authenticity in the network address or the picture, and verifying the information data included by the certificate of authenticity.
The optional scheme has the advantages that the certificate of authenticity exists in the webpage or the picture corresponding to the network address, the user checks the certificate of authenticity according to the webpage or the picture corresponding to the network address, the block chain network can be connected according to the two-dimensional code information, the certificate of authenticity is verified in the block chain network, and authenticity of the certificate of authenticity is improved.
Optionally, in S4, after the certificate storage data packet is confirmed, the data ID and the corresponding certificate storage data packet are stored, and a certificate storage certificate including the block information and the authentication information is generated, which specifically includes:
confirming the received certificate storing data packet;
when the confirmation is passed, storing the data ID and the corresponding certificate storing data packet, and generating the certificate storing certificate; when the certification is not confirmed or the certification fails, the certificate storing certificate is in an authentication state, a loading picture is displayed at the two-dimensional code of the certificate storing certificate, the certificate is not authenticated after a certain time, the authentication failure is represented, and failure information is prompted.
The server in the block chain network verifies the data format of the certificate storing data packet uploaded to the block chain network, the information content of the certificate storing data packet and other formal contents, and ensures the integrity and the safety of each item of data in the certificate storing data packet.
The embodiment of the invention also provides a data storage system based on the block chain technology for realizing the method, which comprises the following steps: a plurality of clients and a background server in communication over a blockchain network, the blockchain network comprising: a node server, the client comprising: the system comprises a data entry subsystem, a hash value calculation operator system, a data packaging subsystem and a first data sending subsystem; the background server comprises: the system comprises a first data receiving subsystem, a signature marking subsystem, a data authentication subsystem, a first data storage subsystem, a data authentication certificate generating subsystem and a second data sending subsystem; the node server includes: a second data receiving subsystem and a second data storage subsystem;
the data entry subsystem is used for receiving target file data input by a user;
the hash value calculation operator system is used for acquiring the target file data and generating a hash value corresponding to the target file data through a hash algorithm;
the data packaging subsystem is used for acquiring basic attribute data of the target file data and acquiring identity information of a user according to account information of the user; packaging the identity information, the basic attribute data and the hash value to generate a certificate storing data packet, and sending the certificate storing data packet to the background server through the first data sending subsystem;
the signature marking subsystem is used for acquiring a digital signature of a user according to account information of the user, adding the digital signature to the certificate storing data packet received by the first data receiving subsystem, and generating a corresponding data ID to mark the certificate storing data packet;
the data authentication subsystem is used for generating an authentication ID, and storing the data ID and the corresponding certificate storing data packet into the first data storage subsystem after the certificate storing data packet is confirmed;
the data authentication certificate generation subsystem is used for generating a certificate storing certificate containing block information and authentication information according to the certificate storing data packet and sending the certificate storing certificate to the node server through the second data sending subsystem;
and the node server is used for receiving the certificate of authenticity according to a second data receiving subsystem and storing the certificate of authenticity containing the certificate of authenticity through the second data storage subsystem.
Optionally, the client further 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 of existing target file data corresponding to the hash value; and if not, generating a new evidence storage data packet according to the hash value.
Optionally, the data packaging subsystem is specifically configured to obtain, from the first data storage module, last modification time, a file title, a file size, and a file format included in basic attribute data of the target file data; acquiring a user name, an identity card number, a mobile phone number and a mailbox which are included in identity information of a user according to account information of the user;
the data authentication certificate generation subsystem further comprises: and the two-dimensional code generating unit is used for generating the two-dimensional code connected to the block chain network.
Optionally, the background server further includes: the certificate sharing subsystem is used for generating a network address and/or a picture corresponding to the certificate of deposit through a network address generating unit and a picture generating unit and viewing the certificate of deposit;
the client further comprises: and the data query and verification subsystem is used for connecting the block chain network according to the network address or the two-dimensional code of the certificate of authenticity in the picture and verifying the information data included in the certificate of authenticity.
Optionally, the data authentication subsystem includes: the data confirmation unit is used for confirming the received certificate storing data packet; when the confirmation is passed, the data ID and the corresponding certificate storing data packet are stored through the first data storage subsystem, and the certificate storing certificate is generated; when the certification is not confirmed or the certification fails, the certificate storing certificate is in an authentication state, a loading picture is displayed at the two-dimensional code of the certificate storing certificate, the certificate is not authenticated after a certain time, the authentication failure is represented, and failure information is prompted.
(III) advantageous effects
Compared with the prior art, the technical scheme of the invention has the following advantages: through the block chain technology, a user can store the data content in situ, hash values corresponding to the data one to one, relevant attributes and author personal information are associated 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 a way for proving and verifying the certificates is provided for other people.
Drawings
Fig. 1 is a schematic flow chart illustrating a data verification method based on a block chain technique according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a data storage system based on a blockchain technique according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a certificate query and verification subsystem according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, a schematic flow chart of a data storage method based on a block chain technique according to an embodiment of the present invention includes:
s1, acquiring target file data input by a user, and generating a hash value corresponding to the target file data through a hash algorithm;
s2, acquiring the identity information of the user and the basic attribute data of the target file data, and packaging the identity information, the basic attribute data and the hash value to generate a certificate storage data packet;
s3, adding a digital signature to the certificate storing data packet, generating a corresponding data ID and marking the certificate storing data packet;
s4, generating an authentication ID, after the certificate storage data packet is confirmed, storing the data ID and the corresponding certificate storage data packet, generating a certificate storage certificate containing the block information and the authentication information, and sending the certificate storage certificate to the block chain network;
and S5, storing the certificate storing data containing the certificate storing certificate by the block chain network.
In the above embodiment, the user inputs the file data to be certified into the client, the client converts the file data into the corresponding hash value according to the hash algorithm, and according to the login information of the user, obtaining the identity information of the user, and obtaining the data of file title, file size, file format and modification time of the file data, packaging the data and the hash value to generate a certificate storing data packet, and adds digital signature in the data packet to improve the security of the certificate storing data packet, and marks the data packet to facilitate the inquiry of the user, reduce the verification difficulty, send the certificate storing data packet to the block chain, and the server in the block chain verifies the certificate storing data packet to generate a corresponding certificate storing certificate, and the user verifies the original creation and attribution of the file data through the certificate storing certificate and provides a corresponding verification function to verify the authenticity of the certificate storing certificate.
As shown in fig. 2, another embodiment of the present invention further provides a data storage system based on a blockchain technique, which implements the method described above, and includes: a plurality of clients and a background server in communication over a blockchain network, the blockchain network comprising: the node server, the client includes: the system comprises a data entry subsystem, a hash value calculation operator system, a data packaging subsystem and a first data sending subsystem; the background server comprises: the system comprises a first data receiving subsystem, a signature marking subsystem, a data authentication subsystem, a first data storage subsystem, a data authentication certificate generating subsystem and a second data sending subsystem; the node server includes: a second data receiving subsystem and a second data storage subsystem; the client comprises: the system comprises a mobile terminal, a PC terminal and a web page terminal;
the data entry subsystem is used for receiving target file data input by a user;
the hash value calculation operator system is used for acquiring target file data and generating a hash value corresponding to the target file data through a hash algorithm;
the data packaging subsystem is used for acquiring basic attribute data of the target file data and acquiring the identity information of the user according to the account information of the user; the identity information, the basic attribute data and the hash value are packaged to generate a certificate storing data packet, and the certificate storing data packet is sent to the background server through the first data sending subsystem; the basic attribute data of the target file data includes: finally, modifying time, file title, file size and file format; the step of acquiring the identity information of the user according to the account information of the user comprises the following steps: the system comprises a user name, an identity card number, a mobile phone number and a mailbox;
the client further 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; if not, generating a new certificate storing data packet according to the hash value, wherein the generated certificate storing data packet comprises: and the certificate storage data packet generated by the client and the certificate storage data packets uploaded to the block chain network by other clients.
The signature marking subsystem is used for acquiring a digital signature of the user according to the account information of the user, adding the digital signature to the certificate storing data packet received by the first data receiving subsystem, and generating a corresponding data ID (identity) to mark the certificate storing data packet;
the data authentication subsystem is used for generating an authentication ID, and storing the data ID and the corresponding certificate storage data packet into the first data storage subsystem after the certificate storage data packet is confirmed;
the data authentication certificate generation subsystem is used for generating a certificate storing certificate containing the block information and the authentication information according to the certificate storing data packet and sending the certificate storing certificate to the node server through the second data sending subsystem; the certificate comprises an authentication ID, an author real name and a work ID, namely a hash value generated by target file data, wherein the hash value has uniqueness and a work attribute. The two-dimensional code linked to the block chain network can be used for identifying the two-dimensional code to check the attribution information, creation time and block information of the file stored in the block chain network for others to verify;
and the node server is used for receiving the certificate of deposit certificate according to the second data receiving subsystem and storing the certificate of deposit data containing the certificate of deposit certificate through the second data storage subsystem.
In this embodiment, the data authentication certificate generation subsystem further includes: and the two-dimensional code generating unit is used for generating the two-dimensional code connected to the block chain network.
In this embodiment, the backend server further includes: the certificate sharing subsystem is used for generating a network address and/or a picture corresponding to the certificate of deposit through the network address generating unit and the picture generating unit so as to check the certificate of deposit; the certificate can be directly accessed through a website, and pictures can also be generated and stored locally or directly shared to other public platforms.
As shown in fig. 3, another embodiment of the present invention further provides a schematic structural diagram of a certificate query and verification subsystem, where the client further includes: and the data query and verification subsystem is used for connecting the block chain network with the two-dimensional code of the certificate of authenticity in the network address or the picture to verify the information data included in the certificate of authenticity, the certificate of authenticity exists in the webpage or the picture corresponding to the network address, a user checks the certificate of authenticity according to the webpage or the picture corresponding to the network address, the block chain network can be connected with the user according to the two-dimensional code information, the certificate of authenticity is verified in the block chain network, and an interface for verifying the authenticity of the certificate of authenticity is provided for the user.
In this embodiment, the data authentication subsystem includes: the data confirmation unit is used for confirming the received certificate storing data packet; when the confirmation passes, storing the certificate storing data packet and the authentication ID in the block, and generating a certificate storing certificate; when the confirmation is not performed or the confirmation fails, the certificate storing certificate is in an authentication state, a loading picture is displayed at the two-dimensional code of the certificate storing certificate, the certificate is not authenticated after a certain time, the authentication failure is indicated, failure information is prompted, and the server in the block chain network verifies the data format of the certificate storing data packet uploaded to the block chain network, the information content of the certificate storing data packet and other formal contents, so that the integrity and the safety of all data in the certificate storing data packet are guaranteed.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A data evidence storing method based on a block chain technology is characterized by comprising the following steps:
s1, acquiring target file data input by a user, and generating a hash value corresponding to the target file data through a hash algorithm;
s2, acquiring identity information of a user and basic attribute data of the target file data, and packaging the identity information, the basic attribute data and the hash value to generate a certificate storage data packet;
s3, adding a digital signature to the certificate storing data packet, generating a corresponding data ID and marking the certificate storing data packet;
s4, 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, the block information and the authentication information, and sending the certificate storing certificate to the block chain network; the certificate of credit certificate still includes: the identity information, the basic attribute data, the hash value, and a two-dimensional code connected to the blockchain network;
and S5, the block chain network stores the certificate storing data containing the certificate storing certificate.
2. The method for data certification based on the blockchain technology according to claim 1, wherein after the target file data input by the user is obtained in S1, and the hash value corresponding to the target file data is generated through a hash algorithm, the method further comprises:
judging whether the hash value exists according to the generated hash value of the evidence storing data packet, if so, feeding back prompt information that target file data corresponding to the hash value already exists; if not, S2 is executed.
3. The method of claim 1, wherein the identity information comprises: the system comprises a user name, an identity card number, a mobile phone number and a mailbox; the basic attribute data includes: and finally modifying the time, the file title, the file size and the file format.
4. The method for data certification based on blockchain technology according to claim 3, wherein after generating the certification certificate containing the blockchain information and the authentication information in step S4, the method further comprises:
generating a network address and/or a picture corresponding to the certificate of authenticity for viewing the certificate of authenticity;
and connecting the block chain network according to the two-dimension code information of the certificate of authenticity in the network address or the picture, and verifying the information data included by the certificate of authenticity.
5. The method for storing data certificate based on blockchain technology according to any one of claims 1 to 4, wherein in step S4, after the certificate storing packet is confirmed, the data ID and the corresponding certificate storing packet are stored, and a certificate storing certificate including block information and authentication information is generated, specifically including:
confirming the received certificate storing data packet;
when the confirmation is passed, storing the data ID and the corresponding certificate storing data packet, and generating the certificate storing certificate; when the certification is not confirmed or the certification fails, the certificate storing certificate is in an authentication state, a loading picture is displayed at the two-dimensional code of the certificate storing certificate, the certificate is not authenticated after a certain time, the authentication failure is represented, and failure information is prompted.
6. A data credentialing system based on blockchain technology, comprising: a plurality of clients and a background server in communication over a blockchain network, the blockchain network comprising: a node server, wherein the client comprises: the system comprises a data entry subsystem, a hash value calculation operator system, a data packaging subsystem and a first data sending subsystem; the background server comprises: the system comprises a first data receiving subsystem, a signature marking subsystem, a data authentication subsystem, a first data storage subsystem, a data authentication certificate generating subsystem and a second data sending subsystem; the node server includes: a second data receiving subsystem and a second data storage subsystem;
the data entry subsystem is used for receiving target file data input by a user;
the hash value calculation operator system is used for acquiring the target file data and generating a hash value corresponding to the target file data through a hash algorithm;
the data packaging subsystem is used for acquiring basic attribute data of the target file data and acquiring identity information of a user according to account information of the user; packaging the identity information, the basic attribute data and the hash value to generate a certificate storing data packet, and sending the certificate storing data packet to the background server through the first data sending subsystem;
the signature marking subsystem is used for acquiring a digital signature of a user according to account information of the user, adding the digital signature to the certificate storing data packet received by the first data receiving subsystem, and generating a corresponding data ID to mark the certificate storing data packet;
the data authentication subsystem is used for marking the certificate storing data packet to generate an authentication ID, and after the certificate storing data packet is confirmed, the data ID and the corresponding certificate storing data packet are stored in the first data storage subsystem;
the data authentication certificate generation subsystem is used for generating a certificate of credit containing the authentication ID, the block information and the authentication information according to the certificate of credit data packet and sending the certificate of credit to the node server through a second data sending subsystem; the certificate of credit certificate still includes: the identity information, the basic attribute data, the hash value, and a two-dimensional code connected to the blockchain network;
and the node server is used for receiving the certificate of authenticity according to a second data receiving subsystem and storing the certificate of authenticity containing the certificate of authenticity through the second data storage subsystem.
7. The system according to claim 6, wherein the client further 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 existing target file data corresponding to the hash value; and if not, generating a new evidence storage data packet according to the hash value.
8. The system according to claim 6, wherein the data packaging subsystem is specifically configured to obtain a last modification time, a file header, a file size, and a file format included in the basic attribute data of the target file data; acquiring a user name, an identity card number, a mobile phone number and a mailbox which are included in identity information of a user according to account information of the user;
the data authentication certificate generation subsystem further comprises: and the two-dimensional code generating unit is used for generating the two-dimensional code connected to the block chain network.
9. The system for data storage and verification based on blockchain technology as claimed in claim 8, wherein the background server further comprises: the certificate sharing subsystem is used for generating a network address and/or a picture corresponding to the certificate of deposit through a network address generating unit and a picture generating unit and viewing the certificate of deposit;
the client further comprises: and the data query and verification subsystem is used for connecting the block chain network according to the network address or the two-dimensional code of the certificate of authenticity in the picture and verifying the information data included in the certificate of authenticity.
10. A data storage system based on blockchain technology according to one of claims 6 to 9,
the data authentication subsystem includes: the data confirmation unit is used for confirming the received certificate storing data packet; when the confirmation is passed, the data ID and the corresponding certificate storing data packet are stored through the first data storage subsystem, and the certificate storing certificate is generated; when the certification is not confirmed or the certification fails, the certificate storing certificate is in an authentication state, a loading picture is displayed at the two-dimensional code of the certificate storing certificate, the certificate is not authenticated after a certain time, the authentication failure is represented, and failure information is prompted.
CN201711144515.9A 2017-11-17 2017-11-17 Data evidence storing method and system based on block chain technology Active CN107819777B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711144515.9A CN107819777B (en) 2017-11-17 2017-11-17 Data evidence storing method and system based on block chain technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711144515.9A CN107819777B (en) 2017-11-17 2017-11-17 Data evidence storing method and system based on block chain technology

Publications (2)

Publication Number Publication Date
CN107819777A CN107819777A (en) 2018-03-20
CN107819777B true CN107819777B (en) 2020-07-24

Family

ID=61608687

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711144515.9A Active CN107819777B (en) 2017-11-17 2017-11-17 Data evidence storing method and system based on block chain technology

Country Status (1)

Country Link
CN (1) CN107819777B (en)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110309445A (en) * 2018-03-23 2019-10-08 触信(厦门)智能科技有限公司 A kind of panorama block chain two dimensional code implementation method
CN108550037B (en) * 2018-04-11 2022-05-17 北京知金链网络技术有限公司 File processing method and device based on block chain
CN110378079B (en) * 2018-04-13 2023-07-04 胡小凡 Information processing, protecting and selling method and device based on original works
CN108768972B (en) * 2018-05-16 2020-11-27 智车优行科技(北京)有限公司 Vehicle data storage and access method, device, system and electronic equipment
CN108733990B (en) * 2018-05-22 2022-04-05 深圳壹账通智能科技有限公司 Block chain-based file protection method and terminal equipment
CN108833111A (en) * 2018-05-29 2018-11-16 浪潮软件集团有限公司 Block chain-based file evidence storage and identification realization method
CN108959416B (en) * 2018-06-08 2020-01-10 浙江数秦科技有限公司 Webpage data automatic evidence obtaining and storing method based on block chain
CN112491551B (en) * 2018-06-29 2023-01-20 创新先进技术有限公司 Data verification method and device based on block chain and electronic equipment
CN109101572B (en) * 2018-07-17 2021-03-02 何晓行 Block chain based evidence storing method and device, server and storage medium
CN108898032A (en) * 2018-07-20 2018-11-27 杭州尚尚签网络科技有限公司 A kind of electronic data based on block chain technology deposits the high-efficient treatment method of card
CN109345061B (en) * 2018-08-21 2020-12-29 创新先进技术有限公司 Method and device for identifying authenticity of evidence based on block chain evidence storage
CN109254951A (en) * 2018-08-22 2019-01-22 北京知金链网络技术有限公司 A kind of method and apparatus that the card customized deposit system of platform is deposited based on block chain
CN109191197A (en) * 2018-08-24 2019-01-11 陕西优米数据技术有限公司 Video passenger flow statistical analysis based on block chain technology
CN109347935B (en) * 2018-09-30 2021-08-03 珠海信达九州科技有限公司 Method for realizing real-time communication message synchronization based on block chain
CN109461230B (en) * 2018-10-01 2019-07-12 小鹰信息科技(深圳)有限公司 A kind of block chain information processing system and method
CN109241708B (en) * 2018-10-10 2022-02-01 北京金烁恒丰网络科技有限公司 Method and device for tracking, controlling and identifying file copying
CN109257180A (en) * 2018-10-16 2019-01-22 深圳市乘法信息技术有限公司 A kind of method and device for depositing card based on the intellectual property file of block chain
CN109544154A (en) * 2018-10-17 2019-03-29 上海七印信息科技有限公司 It is a kind of based on block chain technology quickly there are methods of proof
CN109409030A (en) * 2018-10-19 2019-03-01 微梦创科网络科技(中国)有限公司 A kind of digital publishing rights generation method and device
CN111093100B (en) * 2018-10-23 2021-08-24 能来(上海)信息技术有限公司 Video tracing method based on block chain
CN111127183B (en) * 2018-10-31 2023-10-17 重庆小雨点小额贷款有限公司 Data processing method, device, server and computer readable storage medium
CN109583230A (en) 2018-10-31 2019-04-05 阿里巴巴集团控股有限公司 Data based on block chain deposit card method and device, electronic equipment
CN109614813B (en) * 2018-10-31 2020-06-23 阿里巴巴集团控股有限公司 Privacy transaction method and device based on block chain and application method and device thereof
CN109635163A (en) * 2018-10-31 2019-04-16 优信数享(北京)信息技术有限公司 A kind of product data management method and system based on block chain
CN109492431A (en) * 2018-10-31 2019-03-19 国网河南省电力公司信息通信公司 The storage method and its system and electronic equipment of financial data
CN109582885B (en) * 2018-10-31 2020-06-12 阿里巴巴集团控股有限公司 Method and device for carrying out block link evidence storage on webpage through webpage monitoring
CN109327528B (en) * 2018-10-31 2020-10-20 创新先进技术有限公司 Node management method and device based on block chain
CN110033259B (en) * 2018-11-28 2021-08-31 创新先进技术有限公司 Block chain-based data evidence storing method and device and electronic equipment
CN111259452A (en) * 2018-11-30 2020-06-09 华为技术有限公司 Data management method based on block chain and related device
CN111368324B (en) * 2018-12-25 2022-08-05 北京思源政通科技集团有限公司 Credible electronic license platform system based on block chain and authentication method thereof
CN110032882A (en) 2018-12-29 2019-07-19 阿里巴巴集团控股有限公司 Card method and apparatus are deposited based on block chain
CN109740384B (en) * 2019-01-11 2023-11-10 众安信息技术服务有限公司 Data certification method and device based on blockchain
CN109766390A (en) * 2019-01-16 2019-05-17 杭州趣链科技有限公司 A kind of tamper-evident means diploma system based on block chain
CN109783447A (en) * 2019-01-23 2019-05-21 北京邮电大学 Electronics license deposits card method, acquisition methods, device, system and electronic equipment
EP3863220A1 (en) 2019-02-28 2021-08-11 Advanced New Technologies Co., Ltd. System and method for generating digital marks
CN110070365B (en) * 2019-03-07 2021-12-07 创新先进技术有限公司 Commodity evidence storing method and device based on block chain and electronic equipment
CN109918874B (en) * 2019-03-14 2022-09-02 度小满科技(北京)有限公司 Physical information storage method and device and physical information searching method and device
CN110008743B (en) * 2019-03-26 2023-02-28 创新先进技术有限公司 Data attribute identification method, device and equipment in block chain type account book
CN112487084A (en) * 2019-06-03 2021-03-12 创新先进技术有限公司 Time service authentication method, device and equipment for block chain type account book
US10942920B2 (en) 2019-06-03 2021-03-09 Advanced New Technologies Co., Ltd. Service processing system and method based on blockchain
CN110349056B (en) * 2019-06-03 2021-04-02 创新先进技术有限公司 Service processing system and method based on block chain
US11088828B2 (en) 2019-07-18 2021-08-10 Advanced New Technologies Co., Ltd. Blockchain-based data evidence storage method and apparatus
CN110427774B (en) * 2019-07-18 2021-01-12 创新先进技术有限公司 Block chain-based data storage method, data verification method and related device
CN110427346A (en) * 2019-08-13 2019-11-08 河南中盾云安信息科技有限公司 A kind of document storage system and its file memory method based on block chain
CN110659453B (en) * 2019-08-19 2021-06-15 中国科学院信息工程研究所 Block chain digital copyright protection method and system based on invention principle
CN110517091A (en) * 2019-08-29 2019-11-29 北京百度网讯科技有限公司 Poly- screen put-on method, device, equipment and medium based on block chain
CN110535662B (en) * 2019-09-03 2022-05-31 浪潮云信息技术股份公司 Method and system for realizing user operation record based on block chain data certificate storage service
CN110633559A (en) * 2019-09-05 2019-12-31 南京中诚区块链研究院有限公司 Financial security evidence storage platform system and method based on block chain
CN112579984B (en) * 2019-09-30 2024-03-15 广州艾美网络科技有限公司 Multimedia information authentication method, system, computer device and storage medium
CN110958319B (en) * 2019-12-05 2022-07-12 腾讯科技(深圳)有限公司 Method and device for managing infringement and evidence-based block chain
CN111177149A (en) * 2019-12-11 2020-05-19 广东文储区块链科技有限公司 Marking method and system on block chain of distributed storage data
CN111090700B (en) * 2019-12-13 2023-07-18 北京阿尔山区块链联盟科技有限公司 Data management method and device and electronic equipment
CN111191293B (en) * 2019-12-25 2023-10-20 北斗天地股份有限公司 Beidou data processing method and device based on block chain
CN111260469A (en) * 2020-01-10 2020-06-09 杭州溪塔科技有限公司 Block chain-based evidence storing method, block chain-based evidence storing query method, corresponding device and electronic equipment
CN111355570B (en) * 2020-02-24 2023-04-07 北京瑞友科技股份有限公司 Trusted application network data tracing method and auditing method for software complex network
CN110958276B (en) * 2020-02-24 2020-05-12 常州唯实智能物联创新中心有限公司 Trusted acquisition and logging method and device based on digital identity of intelligent Internet of things equipment
CN111382463B (en) * 2020-04-02 2022-11-29 中国工商银行股份有限公司 Block chain system and method based on stream data
CN111541545A (en) * 2020-04-03 2020-08-14 上海七印信息科技有限公司 Storage certificate package generation method and device, computer equipment and storage medium
CN111475859B (en) * 2020-04-08 2021-01-01 珠海复旦创新研究院 Data sharing and database asynchronous verifiable query method, system and equipment based on block chain technology
CN111415162A (en) * 2020-04-29 2020-07-14 陈议尊 Transaction method and system based on block chain public chain
CN111523092A (en) * 2020-07-03 2020-08-11 支付宝(杭州)信息技术有限公司 Picture generation method and device based on block chain and electronic equipment
CN111831751A (en) * 2020-07-14 2020-10-27 深圳移动互联研究院有限公司 Panoramic data key processing method and system based on block chain
CN111884811B (en) * 2020-07-23 2022-08-19 中华人民共和国苏州海关 Block chain-based data evidence storing method and data evidence storing platform
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
CN111950005A (en) * 2020-08-07 2020-11-17 甘肃紫光智能交通与控制技术有限公司 Highway engineering data uploading method and system
CN112131309A (en) * 2020-08-28 2020-12-25 赣州圣享区块链技术有限公司 Data evidence storing method and system based on block chain technology
CN112383611B (en) * 2020-11-11 2022-12-09 上海保险交易所股份有限公司 File evidence storing method and system based on block chain and server
CN112073807B (en) * 2020-11-11 2021-02-09 支付宝(杭州)信息技术有限公司 Video data processing method and device 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
CN112988901A (en) * 2021-04-06 2021-06-18 湖北央中巨石信息技术有限公司 Evidence-storing data chaining method based on block chain
CN112988903B (en) * 2021-04-22 2021-08-03 腾讯科技(深圳)有限公司 Data processing method, device and equipment based on block chain network and storage medium
CN113886499B (en) * 2021-10-19 2022-09-30 赛维森(广州)医疗科技服务有限公司 Pathology data sharing method and system based on block chain and computing equipment
CN114429267B (en) * 2021-12-13 2023-04-21 天翼爱音乐文化科技有限公司 Air control method, system and device for copyright of digital work and storage medium
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
CN115277179A (en) * 2022-07-26 2022-11-01 湖南三湘银行股份有限公司 Open platform comprehensive safety protection method based on multi-step protection
CN115412253B (en) * 2022-08-01 2023-06-27 云南大学 Digital certificate preparation method based on blockchain technology
CN115601051A (en) * 2022-09-14 2023-01-13 公诚管理咨询有限公司(Cn) Credible engineering construction tracing method and system
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202512587U (en) * 2012-03-08 2012-10-31 重庆同数科技有限公司 Certificate information verification system based on two-dimensional bar code
CN105610578B (en) * 2016-01-25 2019-05-03 杭州复杂美科技有限公司 Block chain information deposits card and method for secret protection
US9679276B1 (en) * 2016-01-26 2017-06-13 Stampery, Inc. Systems and methods for using a block chain to certify the existence, integrity, and/or ownership of a file or communication
CN107145768B (en) * 2016-03-01 2021-02-12 华为技术有限公司 Copyright management method and system
CN105701367B (en) * 2016-03-21 2017-08-22 冯颖 The original business works safety system in internet
CN106301792B (en) * 2016-08-31 2019-10-18 江苏通付盾科技有限公司 Based on the ca authentication management method of block chain, apparatus and system
CN106682122B (en) * 2016-12-09 2020-02-04 北京新睿桥科技有限公司 Optimal path verification method based on data interaction
CN106815530B (en) * 2016-12-26 2020-04-24 北京爱接力科技发展有限公司 Data storage method, data verification method and device
CN106991573A (en) * 2017-04-07 2017-07-28 中链科技有限公司 Art work fidelity method and server based on block chain technology
CN107194587A (en) * 2017-05-24 2017-09-22 暨南大学 It is a kind of to be circulated based on block chain and the art work of expert system and identification register method
CN107086920A (en) * 2017-06-20 2017-08-22 无锡井通网络科技有限公司 Copyright based on block chain really weighs method
CN107330694A (en) * 2017-07-03 2017-11-07 重庆小犀智能科技有限公司 Copyright trading system and method for commerce based on block chain

Also Published As

Publication number Publication date
CN107819777A (en) 2018-03-20

Similar Documents

Publication Publication Date Title
CN107819777B (en) Data evidence storing method and system based on block chain technology
CN207504911U (en) A kind of data deposit system based on block chain technology
EP1517214B1 (en) Structured document signature device, structured document adaptation device and structured document verification device
CN101711472B (en) For verifying the method and system of the authenticity of webpage
CN108092779A (en) A kind of method and device for realizing electronic signature
CN108537046A (en) A kind of online contract signature system and method based on block chain technology
CN110096903B (en) Asset verification method based on block chain and block chain network system
CN105227317B (en) A kind of cloud data integrity detection method and system for supporting authenticator privacy
CN105591744A (en) Network real-name authentication method and system
KR101740956B1 (en) Method of secure public auditing using self-certified signature in cloud storage and system of the same
CN109035024A (en) Method, system and the storage medium of electronic signature
CN106921496A (en) A kind of digital signature method and system
CN106464496A (en) Method and system for creating a certificate to authenticate a user identity
CN105335667A (en) Innovation and creativity data processing method, device and system and certificate storing equipment
CN113824564A (en) Online signing method and system based on block chain
EP2913973A1 (en) Trusted NFC smart poster tag
CN108768975A (en) Support the data integrity verification method of key updating and third party's secret protection
US7739500B2 (en) Method and system for consistent recognition of ongoing digital relationships
CN103368831A (en) Anonymous instant messaging system based on frequent visitor recognition
WO2018078400A1 (en) Apparatuses and methods for signing a legal document
CN108768650B (en) Short message verification system based on biological characteristics
CN113672991A (en) Public electronic contract contracting method based on block chain technology
CN110890979B (en) Automatic deployment method, device, equipment and medium for fort machine
CN110175471B (en) File storage method and system
CN105227556A (en) Server and terminal anti-counterfeit authentication method, system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20200403

Address after: 100086 b076, floor 3, building 14, Cuiwei Zhongli, Haidian District, Beijing

Applicant after: Zhu Zhiwen

Address before: 100125 tribal ark, No. 39, Mai zadian street, Chaoyang District, Beijing, three

Applicant before: BEIJING YISHENGSHENG NETWORK TECHNOLOGY Co.,Ltd.

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20200618

Address after: 100038 Beijing Haidian District Yangfangdian Bowangyuan Skirt Room No.034

Applicant after: Lims (Beijing) Block Chain Technology Co.,Ltd.

Address before: 100086 b076, floor 3, building 14, Cuiwei Zhongli, Haidian District, Beijing

Applicant before: Zhu Zhiwen

GR01 Patent grant
GR01 Patent grant