CN114679473A - Financial account management system and method based on distributed digital identity - Google Patents
Financial account management system and method based on distributed digital identity Download PDFInfo
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- CN114679473A CN114679473A CN202210269267.5A CN202210269267A CN114679473A CN 114679473 A CN114679473 A CN 114679473A CN 202210269267 A CN202210269267 A CN 202210269267A CN 114679473 A CN114679473 A CN 114679473A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
Abstract
The application discloses a financial account management system and method based on distributed digital identity. Including distributed account book module, identity agent module and data center module: the distributed account book module is used for storing data of distributed storage content, providing an intelligent contract interface for a user and completing retrieval of digital identity information of the user through a digital identity information request sent by the user; the identity agent module comprises an agent component responsible for external message communication and a wallet component supporting distributed key management, wherein the agent component is responsible for calling a local identity wallet and a data container; the wallet component is a digital container used for storing and controlling the self-ownership identity; the data center module is used for storing data on the user equipment and/or the cloud storage server appointed by the user, and the financial account management system can effectively solve the problems of safety, privacy protection and non-portability existing in the prior art.
Description
Technical Field
The invention relates to the field of supply chain finance, in particular to a financial account management system and method based on distributed digital identity.
Background
The most common authentication method in the traditional internet is a single application account, which is usually created in a mode of user name and password, personal information is stored in a database of each application or website, and the application provider manages own user information individually. The main advantage of this model is that it is easy to understand and easy to use, but in this model the user needs to maintain information for each account separately, and the organizations need to collect, store and protect their own individual personal data, which is economically costly. Moreover, because the user identities of the applications cannot be communicated with each other, the identity information of the same entity is stored in different application systems respectively and cannot be comprehensively utilized, the problems of repeated authentication and multiple authentications exist, and a large number of user names and passwords are difficult to maintain and have low safety for users.
In the existing method, a centralized user account management mode leads to data centralization and monopolization, increases the risk of data leakage, and has obvious safety defects.
Disclosure of Invention
Based on this, the embodiment of the application provides a financial account management system and method based on distributed digital identity, which can effectively solve the problems of security, privacy protection and non-portability existing in the prior art.
In a first aspect, a financial account management system based on distributed digital identity is provided, the system includes a distributed ledger module, an identity agent module and a data center module:
the distributed account book module comprises a registry of distributed digital identity identifiers, is used for storing data of distributed storage contents, provides an intelligent contract interface with data access capability in a Key-Value form for a user, and completes retrieval of digital identity information of the user through a digital identity information request sent by the user;
the identity agent module comprises an agent component responsible for external message communication and a wallet component supporting distributed key management, wherein the agent component is an external interface of distributed digital identity and is responsible for calling a local identity wallet and a data container; the wallet component is a digital container used for storing and controlling the identity of the self-ownership;
and the data center module is used for storing data on the user equipment and/or a cloud storage server appointed by the user.
Optionally, the distributed ledger module further includes:
the user defines own service logic through the intelligent contract interface, deploys the service logic on the corresponding accounting node, and completes the target service accounting logic by calling the target contract.
Optionally, the distributed ledger module provides a Key-Value form intelligent contract interface with data access capability to the user, including:
taking the user ID as Key data, and taking the user information as Value data to be written into a distributed account book module, so as to complete the registration, updating and invalidation operations of the user digital identity;
and the user completes the retrieval of the appointed digital identity information through Key query provided by the distributed account book module.
Optionally, the distributed ledger module further includes:
verifying the validity of the identity of the user through a digital identity information updating request sent by the user;
and when the user identity verification result is valid, finishing the updating of the digital identity information of the user.
Optionally, the encryption of the data of the cloud storage server in the data center module is encrypted by a key of the identity owner himself.
Optionally, the cloud storage server in the data center module supports multiple data components to maintain data synchronization and export data serialization based on user control, so that data can be smoothly migrated between different cloud storage servers.
In a second aspect, a method for financial account governance based on distributed digital identity is provided, which comprises:
The distributed account book module is used for storing data of distributed storage contents and providing a Key-Value form intelligent contract interface with data access capability for a user;
based on the user digital identity information, calling a local identity wallet and a data container through an identity agent module;
and storing the called local identity wallet and the data container through the data center module.
Optionally, before the distributed ledger module sends the digital identity information request through the user, the method further includes:
and the user defines own business logic through the intelligent contract interface and deploys the business logic on the corresponding accounting node.
Optionally, the providing a Key-Value form intelligent contract interface with data access capability to a user includes:
the user ID is used as Key data, and the user information is used as Value data and written into the distributed account book module to complete the registration, updating and invalidation operations of the user digital identity;
and the user inquires through a Key provided by the distributed account book module to complete the retrieval of the designated digital identity information.
Optionally, the distributed ledger module further includes:
verifying the validity of the identity of the user through a digital identity information updating request sent by the user;
and when the user identity verification result is valid, finishing the updating of the digital identity information of the user.
The beneficial effects brought by the technical scheme provided by the embodiment of the application at least comprise:
the distributed digital identity technology based on the blockchain can perform cross validation and query of identity information. The alliance chain is established by each trading platform, each node (the node can be composed of a single platform, a core enterprise or organization, or can be jointly established by a plurality of organizations) in the alliance chain has a respective enterprise identity information base, and is connected with respective identity data sources through a block chain, so that a distributed digital identity network is formed, and each node generates a unique identity identifier on the chain for each enterprise to develop business in the alliance chain, and provides a set of verifiable evidence tools approved by the alliance chain.
When the platform side checks the information of the three aspects of the enterprise according to the business requirement, under the condition that the local checking capability is insufficient, the platform side can use the distributed digital identity network to inquire the related information of the enterprise from the enterprise identity information base on other nodes, and the other nodes feed back respective verifiable certificates according to the protocol specification and pay a fee to the provider who finally adopts the certificates. By the method, the nodes can realize the cross verification of the enterprise identity based on a certain consensus algorithm and a business mode on the premise of protecting the privacy of the respective nodes, and further realize the sharing mechanism of the enterprise blacklist on the basis. In addition, on the basis of a distributed digital identity network, the functions of one-time registration and multi-node login of enterprises which are based on real identities and reach a certain authentication level on an alliance chain are gradually realized, so that the convenience of service development is effectively provided.
The mode that the traditional application service provider controls the user account is changed by using the distributed digital identity, ownership is returned to the user, the problems of user data safety and privacy are solved fundamentally, the overall data management cost of the society is reduced, and the data management quality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a block diagram of a distributed digital identity based financial account governance system according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a distributed ledger module according to an embodiment of the present application;
fig. 3 is a schematic diagram of a wallet assembly according to an embodiment of the present application.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.
At present, in a trade financial scenario, one difficult problem faced by the financial institution is how to effectively identify the authenticity of the identity of enterprises downstream of the supply chain in the trading platform, and the authenticity mainly includes the authenticity of the enterprises themselves, the authenticity of users, and the authenticity of affiliations or entrustments between the users and the enterprises.
In order to solve the problems of security, privacy protection and non-portability of the existing internet centralized identity, a distributed digital identity authentication system and a distributed digital identity authentication method are established in a supply chain financial scene. The distributed digital identity is characterized in that a user can be identified and depicted through digital information, the digital identity can be understood as entity identity information concentrated into a digital code form and used for binding, verifying and inquiring digital information generated by user behaviors, and data are stored in a personal device or a cloud end authorized to be hosted. The distributed digital identity is independently created, maintained and freely used by an identity owner, a user has ownership of own identity information and certificate, does not depend on any specific company or entity, and realizes the portability application of the identity by authorizing other people to share data, thereby having the characteristics of safety and independent controllability.
Specifically, referring to fig. 1, it shows a block diagram of a financial account management system 100 based on distributed digital identity according to an embodiment of the present application, where the system includes a distributed ledger module 101, an identity agent module 102, and a data center module 103:
the distributed ledger module 101 includes a registry of distributed digital identity identifiers, and is configured to store data of distributed storage content, provide a Key-Value-form intelligent contract interface with data access capability for a user, and complete retrieval of digital identity information of the user through a digital identity information request sent by the user.
In the embodiment of the present application, as shown in fig. 2, in order to make the identity multicentralized, the basic implementation of the digital identity needs to be placed in a distributed trusted environment, but does not belong to an environment controlled by any single organization, and the distributed account book formally is an innovative technology, which is based on a block chain technology, has the characteristics of being not falsifiable, traceable, multicentralized, and the like, and provides a better distributed storage carrier for the digital identity system. An open distributed ledger is crucial for distributed digital identities because it will provide an open global root of trust that can avoid being held by a particular centralized service. Fig. 2 is a schematic diagram showing the correlation between business systems (including accounts in the business systems).
The distributed account book is a registry of distributed digital identity identifiers, provides data storage support for content needing distributed storage, and has the core that the corresponding relation between the digital identity and the public key is protected from being tampered, and a user can confirm the control right of the digital identity by virtue of a private key.
The distributed digital identity object holder writes the identity information of the object into the distributed account book through the distributed digital identity system, and distributes the stored information on each account book node through the distributed architecture system. In addition, the capacity expansion and geographical deployment of the account book nodes can be designed according to the use range and the service requirements, and an end user can directly select a proper account book node through the service characteristics and the position of the end user to inquire and update the distributed digital identity information.
The distributed account book system provides an intelligent contract interface with Key-Value form data access capability for users. The user can define own service logic through the contract interface and deploy the service logic on the corresponding accounting node, and finally, the specific service accounting logic can be completed by calling the contract. In a distributed digital identity system, a distributed account book provides a basic KV data account book and a simple Key Value pair writing and updating function, the digital identity system takes a user ID as Key data and user information as Value data to be written into the distributed account book, registration, updating and failure operation of digital identities are completed, and retrieval of specified digital identity information can be completed through Key inquiry provided by the distributed account book. The updating authority of the distributed digital identity is usually set to be operated by the owner, and the related transaction request can be executed after the identity validity is verified.
The distributed account book can well protect the distributed digital identity data from being maliciously modified through the non-falsification characteristic brought by the chain hash of the distributed account book. Meanwhile, the distributed account book can completely keep the updating history of the distributed account book and can completely trace the updating and the transition of the distributed account book.
The identity agent module 102 comprises an agent component responsible for external message communication and a wallet component supporting distributed key management, wherein the agent component is an external interface of distributed digital identity and is responsible for calling a local identity wallet and a data container; the wallet component is a digital container used to store the digital data needed to control the identity of the owner.
In the embodiment of the present application, in a digital environment, any organization cannot directly generate and consume digital information, store and manage data, and the execution of digital rights related to an autonomous identity needs to be realized by a program, and a "digital representation" representing an identity owner in a distributed digital identity system is called an identity agent (program). The identity agent includes an agent component responsible for external message communication and a wallet component that supports distributed key management. The agent component is an external interface of the distributed digital identity and is responsible for calling a local identity wallet and a data container.
The proxy component is used as a substitute of the identity owner in the digital world, and the core function of the proxy component is to realize point-to-point communication between the identity owner and other objects. In the proxy communication, the API is replaced by a communication protocol, and the protocol is distributed and interoperable, so that the safety, the privacy and the interconnection and interworking are ensured. The agents connect to each other via standard connection protocols and can discover each other's endpoints and keys in a standard way to discover each other's functions and maintain relationships.
The wallet component is a digital container for storing data needed to control the identity of the owner. As shown in fig. 3, the most important role of the wallet component is to manage a plurality of relationships, which are not visible applications, but are composed of containers and data thereof, and the containers and the data thereof are provided for external use through an interface of the basic wallet, so that the portability of the wallet is ensured. The primary role of the wallet is to process secret information, so cryptographic security policies are adopted to ensure that these secrets are generated and used in a secure place without being passed on to untrusted parties. The world outside the wallet interacts with the wallet through a common interface provided by the wallet component, which provides query functionality and ensures proper encryption and privacy processing.
And the data center module 103 is used for storing data on the user equipment and/or the cloud storage server designated by the user.
In the present embodiment, the identity data center is a chained encrypted data store that is linked together and to a given entity. The method can be used for safely storing identity data directly on user equipment or on a cloud storage service specified by a user, and performing fine-grained sharing when an owner authorizes the identity data, and is characterized by safety and portability.
The identity data center is oriented to data management, provides data object submitting and state reading services, is different from the traditional cloud storage service, has an interface unrelated to a supplier and a platform, encrypts cloud data by a secret key of an identity owner, and cannot be identified and stolen by a third party due to the fact that secret key encryption owned by two persons is used even if data leakage occurs.
The identity data center itself does not hold the owner's key nor can it take any action on behalf of the owner, but can relay the message to other components (e.g., agents) for processing.
An identity owner may use multiple identity data spaces, each addressed by registering to a cloud storage service provided by a particular distributed digital identity. The unified interface provided by the cloud service platform supports a plurality of data components to keep effective data synchronization and data serialization export based on user control right, so that data can be smoothly migrated among different cloud service platforms.
The embodiment of the application further provides a financial account governing method based on distributed digital identity, which comprises the following steps:
the distributed account book module is used for storing data of distributed storage contents and providing a Key-Value form intelligent contract interface with data access capability for a user;
calling a local identity wallet and a data container through an identity agent module based on the digital identity information of the user;
and storing the called local identity wallet and the called data container through the data center module.
In an optional embodiment of the present application, before the distributed ledger module requests digital identity information sent by a user, the method further includes:
and the user defines own business logic through the intelligent contract interface and deploys the business logic on the corresponding accounting node.
In an alternative embodiment of the present application, providing a Key-Value form intelligent contract interface with data access capability to a user includes:
the user ID is used as Key data, and the user information is used as Value data and written into the distributed account book module to complete the registration, updating and invalidation operations of the user digital identity;
And the user completes the retrieval of the appointed digital identity information through Key query provided by the distributed account book module.
In an optional embodiment of the present application, the distributed ledger module further includes:
verifying the validity of the identity of the user through a digital identity information updating request sent by the user;
and when the user identity verification result is valid, finishing the updating of the digital identity information of the user.
The financial account governing method based on the distributed digital identity provided by the embodiment of the application is used for realizing the financial account governing system based on the distributed digital identity, and specific limitations on the financial account governing method based on the distributed digital identity can be referred to the limitations on the financial account governing system based on the distributed digital identity in the above, and are not described again here. All or part of the financial account governing system based on the distributed digital identity can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the device, and can also be stored in a memory in the device in a software form, so that the processor can call and execute operations corresponding to the modules.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A financial account governance system based on distributed digital identity is characterized by comprising a distributed account book module, an identity agent module and a data center module:
the distributed account book module comprises a registry of distributed digital identity identifiers, is used for storing data of distributed storage contents, provides an intelligent contract interface with data access capability in a Key-Value form for a user, and completes retrieval of digital identity information of the user through a digital identity information request sent by the user;
The identity agent module comprises an agent component responsible for external message communication and a wallet component supporting distributed key management, wherein the agent component is an external interface of distributed digital identity and is responsible for calling a local identity wallet and a data container; the wallet component is a digital container used for storing and controlling the identity of the self-ownership;
and the data center module is used for storing data on the user equipment and/or a cloud storage server designated by the user.
2. The system of claim 1, wherein the distributed ledger module further comprises:
the user defines own service logic through the intelligent contract interface, deploys the service logic on the corresponding accounting node, and completes the target service accounting logic by calling the target contract.
3. The system of claim 1, wherein the distributed ledger module provides a Key-Value form of a data access capable intelligent contract interface to users, comprising:
the user ID is used as Key data, and the user information is used as Value data and written into the distributed account book module to complete the registration, updating and invalidation operations of the user digital identity;
and the user inquires through a Key provided by the distributed account book module to complete the retrieval of the designated digital identity information.
4. The system of claim 1, wherein the distributed ledger module further comprises:
verifying the validity of the identity of the user through a digital identity information updating request sent by the user;
and when the user identity verification result is valid, finishing the updating of the digital identity information of the user.
5. The system of claim 1, wherein the encryption of the data of the cloud storage server in the data center module is encrypted by a key of the identity owner himself.
6. The system of claim 1, wherein the cloud storage servers in the data center module support multiple data components to maintain data synchronization and export data serialization based on user control, so that data can be smoothly migrated between different cloud storage servers.
7. A financial account governance method based on distributed digital identities, the method comprising:
the distributed account book module is used for storing data of distributed storage contents and providing an intelligent contract interface with data access capability in a Key-Value form for a user;
Based on the user digital identity information, calling a local identity wallet and a data container through an identity agent module;
and storing the called local identity wallet and the called data container through the data center module.
8. The method of claim 7, wherein prior to the request for digital identity information sent by the distributed ledger module via the user, the method further comprises:
and the user defines own business logic through the intelligent contract interface and deploys the business logic on the corresponding accounting node.
9. The method according to claim 7, wherein the providing a Key-Value form of an intelligent contract interface with data access capability to a user comprises:
the user ID is used as Key data, and the user information is used as Value data and written into the distributed account book module to complete the registration, updating and invalidation operations of the user digital identity;
and the user completes the retrieval of the appointed digital identity information through Key query provided by the distributed account book module.
10. The method of claim 7, wherein the distributed ledger module further comprises:
verifying the validity of the identity of the user through a digital identity information updating request sent by the user;
And when the user identity verification result is valid, finishing the updating of the digital identity information of the user.
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