CN111400772A - Distributed digital identity system based on block chain - Google Patents
Distributed digital identity system based on block chain Download PDFInfo
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- CN111400772A CN111400772A CN202010155017.XA CN202010155017A CN111400772A CN 111400772 A CN111400772 A CN 111400772A CN 202010155017 A CN202010155017 A CN 202010155017A CN 111400772 A CN111400772 A CN 111400772A
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- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 230000008859 change Effects 0.000 claims description 4
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- 239000000284 extract Substances 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
- H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
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Abstract
The invention discloses a distributed digital identity system based on a block chain, which comprises a central control system processing center, a client, a system framework unit, the block chain, a verification module, a feedback module and a metadata log server, and relates to the technical field of digital identity systems. This distributed digital identity system based on block chain, output through central control system processing center is connected with the input of check-up module, and central control system processing center's input is connected with feedback module's output, check-up module's output is connected with feedback module's input, system frame unit includes control module, receiving module, extract module and storage module, utilize block chain data structure to verify and the storage data, make the data information security of user improve in the digital identity system, and system architecture is simpler, make things convenient for the administrator to carry out unified management to user's identity information data.
Description
Technical Field
The invention relates to the technical field of digital identity systems, in particular to a distributed digital identity system based on a block chain.
Background
The blockchain technology is a brand-new distributed technology architecture and a computing mode which utilize a blockchain data structure to verify and store data, utilize a distributed node consensus algorithm to generate and update data, utilize a cryptography mode to ensure the safety of data transmission and access, and utilize an intelligent contract composed of automatic script codes to program and operate data.
In the traditional identity authentication system, each system needs to refill identity information for authentication, the system needs to be maintained by a specially-assigned person, the time of the user is wasted, the material resources and financial resources of the platform where the system is located are consumed, and a user credit system is dispersed, so that a distributed identity information authentication system needs to be established, and a manager can uniformly manage the identity information data of the user.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a distributed digital identity system based on a block chain, which solves the problems that in the traditional identity system, each system needs a user to refill identity information for authentication, the system needs maintenance of a specially-assigned person, the time of the user is wasted, the material resources and financial resources of the platform where the system is located are consumed, and the credit system of the user is dispersed.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a distributed digital identity system based on a block chain comprises a central control system processing center, a client, a system frame unit, the block chain, a check module, a feedback module and a metadata log server, wherein the central control system processing center is respectively in bidirectional connection with the client, the system frame unit, the block chain and the metadata log server, the output end of the central control system processing center is connected with the input end of the check module, the input end of the central control system processing center is connected with the output end of the feedback module, the output end of the check module is connected with the input end of the feedback module, the system frame unit is in bidirectional connection with the block chain, the system frame unit comprises a control module, a receiving module, an extraction module and a storage module, the block chain comprises a connection module and a block chain module, and the check module comprises a Merkle module, the metadata log server includes a history information data recording module.
Preferably, the output end of the control module is connected with the input end of the storage module, the storage module is in bidirectional connection with the block chain, the output end of the receiving module is connected with the input end of the extracting module, and the output end of the extracting module is connected with the input end of the storage module.
Preferably, the central control system processing center is respectively connected with the control module and the receiving module in a bidirectional manner.
Preferably, the output end of the connection module is connected with the input end of the block chain module, and the block chain module is in bidirectional connection with the central control system processing center.
Preferably, the output end of the central control system processing center is connected with the input end of the Merkle module.
Preferably, the extraction module is configured to extract data of the digital identity information of the user, and transmit each extracted data to a separate storage module for storage.
Preferably, the storage module stores the digital identity data and simultaneously adopts asymmetric encryption to the data information.
Preferably, the historical information data recording module is used for carrying out information backup on the change of the control module.
(III) advantageous effects
The invention provides a distributed digital identity system based on a block chain. Compared with the prior art, the method has the following beneficial effects:
(1) the distributed digital identity system based on the block chain is connected with the input end of the checking module through the output end of the central control system processing center, the input end of the central control system processing center is connected with the output end of the feedback module, the output end of the checking module is connected with the input end of the feedback module, the system frame unit is bidirectionally connected with the block chain, the system frame unit comprises a control module, a receiving module, an extracting module and a storage module, the block chain comprises a connecting module and a block chain module, the checking module comprises a Merkle module, the metadata log server comprises a history information data recording module, data is verified and stored by using a block chain data structure, so that the data information security of users in the digital identity system is improved, and the system architecture is simpler, and the administrator can conveniently carry out unified management on the identity information data of the user.
(2) This distributed digital identity system based on block chain, output through control module is connected with storage module's input, and storage module realizes two-way connection with the block chain, receiving module's output and the input that draws the module are connected, and the output that draws the module is connected with storage module's input, central control system processing center respectively with control module, receiving module realizes two-way connection, connecting module's output is connected with the input of block chain module, and block chain module realizes two-way connection with central control system processing center, system frame simple structure, it is higher to user's identity information data security, it is comparatively convenient to manage.
(3) This distributed digital identity system based on block chain, output through central control system processing center is connected with the input of Merkle module, it is used for carrying out data extraction to user's digital identity information to extract the module, and store in transmitting each data transmission who extracts to solitary storage module, storage module is when carrying out the storage to digital identity data, adopt asymmetric encryption to data message, history information data record module is used for carrying out the information backup to control module's change, utilize the Merkle method to check up data message, guarantee user's identity information data integrality.
Drawings
FIG. 1 is a block diagram of the structural principles of the distributed digital identity system of the present invention;
FIG. 2 is a schematic block diagram of the architecture of the system frame unit of the present invention;
FIG. 3 is a schematic block diagram of the block chain structure of the present invention;
FIG. 4 is a schematic block diagram of the structure of the calibration module of the present invention;
fig. 5 is a schematic block diagram of the structure of the metadata log server according to the present invention.
In the figure, 1-a central control system processing center, 2-a client, 3-a system framework unit, 31-a control module, 32-a receiving module, 33-an extracting module, 34-a storage module, 4-a block chain, 41-a connecting module, 42-a block chain module, 5-a checking module, 51-a Merkle module, 6-a feedback module, 7-a metadata log server and 71-a historical information data recording module.
Detailed Description
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 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.
Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a distributed digital identity system based on a block chain comprises a central control system processing center 1, a client 2, a system frame unit 3, a block chain 4, a check module 5, a feedback module 6 and a metadata log server 7, wherein the central control system processing center 1 is respectively connected with the client 2, the system frame unit 3, the block chain 4 and the metadata log server 7 in a bidirectional way, the output end of the central control system processing center 1 is connected with the input end of the check module 5, the input end of the central control system processing center 1 is connected with the output end of the feedback module 6, the output end of the check module 5 is connected with the input end of the feedback module 6, the system frame unit 3 is connected with the block chain 4 in a bidirectional way, the system frame unit 3 comprises a control module 31, a receiving module 32, an extraction module 33 and a storage module 34, the output end of the control module 31 is connected with the input end of the storage module 34, the storage module 34 is bidirectionally connected with the block chain 4, the output end of the receiving module 32 is connected with the input end of the extracting module 33, the extracting module 33 is used for extracting data of digital identity information of a user, and transmitting each extracted data to the independent storage module 34 for storage, the storage module 34 stores the digital identity information and simultaneously asymmetrically encrypts the data information, the output end of the extracting module 33 is connected with the input end of the storage module 34, the central control system processing center 1 is bidirectionally connected with the control module 31 and the receiving module 32, the block chain 4 comprises a connecting module 41 and a block chain module 42, the output end of the connecting module 41 is connected with the input end of the block chain module 42, the block chain module 42 is bidirectionally connected with the central control system processing center 1, the checking module 5 comprises a Merkle module 51, the output end of the central control system processing center 1 is connected with the input end of the Merkle module 51, the metadata log server 7 comprises a history information data recording module 71, and the history information data recording module 71 is used for carrying out information backup on the change of the control module 31.
When in use, a manager enters the digital identity system through the client 2, edits user identity information data in the system by using the client 2, the system frame unit 3 receives the user information through the receiving module 32, transmits the received user identity data information to the extracting module 34, extracts index data of the user identity data information by using the extracting module 34, transmits the extracted index data information to the independent storage module 35, simultaneously, the storage module 35 asymmetrically encrypts the stored index data, the control module 31 transmits each independent storage module 35 to the block chain 4, connects each independent storage module 35 by using the connecting module 41 in the block chain 4 to form the block chain module 42, before the user identity data information is transmitted to the system frame unit 3, the data information is verified by using the Merkle module 51 in the verifying module 5, and the completeness of the data information is ensured, and if the user data information is missing, the feedback module 6 is utilized to feed back the missing information data in time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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. The utility model provides a distributed digital identity system based on block chain, includes central control system processing center (1), client (2), system frame unit (3), block chain (4), check-up module (5), feedback module (6) and metadata log server (7), central control system processing center (1) realizes both way junction with client (2), system frame unit (3), block chain (4), metadata log server (7) respectively, its characterized in that: the output end of the central control system processing center (1) is connected with the input end of the checking module (5), the input end of the central control system processing center (1) is connected with the output end of the feedback module (6), the output end of the checking module (5) is connected with the input end of the feedback module (6), the system frame unit (3) is in bidirectional connection with the block chain (4), the system frame unit (3) comprises a control module (31), a receiving module (32), an extracting module (33) and a storage module (34), the block chain (4) comprises a connecting module (41) and a block chain module (42), the checking module (5) comprises a Merkle module (51), and the metadata log server (7) comprises a history information data recording module (71).
2. The blockchain-based distributed digital identity system of claim 1, wherein: the output end of the control module (31) is connected with the input end of the storage module (34), the storage module (34) is in bidirectional connection with the block chain (4), the output end of the receiving module (32) is connected with the input end of the extracting module (33), and the output end of the extracting module (33) is connected with the input end of the storage module (34).
3. The blockchain-based distributed digital identity system of claim 1, wherein: the central control system processing center (1) is respectively connected with the control module (31) and the receiving module (32) in a bidirectional mode.
4. The blockchain-based distributed digital identity system of claim 1, wherein: the output end of the connecting module (41) is connected with the input end of the block chain module (42), and the block chain module (42) is in bidirectional connection with the central control system processing center (1).
5. The blockchain-based distributed digital identity system of claim 1, wherein: the output end of the central control system processing center (1) is connected with the input end of the Merkle module (51).
6. The blockchain-based distributed digital identity system of claim 1, wherein: the extraction module (33) is used for extracting data of the digital identity information of the user and transmitting each extracted data to a separate storage module (34) for storage.
7. The blockchain-based distributed digital identity system of claim 1, wherein: the storage module (34) stores the digital identity data and simultaneously adopts asymmetric encryption to the data information.
8. The blockchain-based distributed digital identity system of claim 1, wherein: the historical information data recording module (71) is used for carrying out information backup on the change of the control module (31).
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Cited By (1)
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Application publication date: 20200710 |