Personal identity trusted asset uploading system and method based on blockchain and biological recognition

Abstract

The present invention provides a personal identity trusted asset uploading system and method based on a blockchain and biological recognition. The system comprises: a biometric information acquisition module, used for acquiring biometric information and digitally representing the acquired biometric information; a biometric information re-encryption module, used for re-encrypting the digitally represented biometric information; a biometric information uploading module, used for storing the re-encrypted biometric information on a blockchain and forming an immutable identity record; and a biometric information reading module, used for reading the biometric information stored on the blockchain.

Description

Personal identity trusted asset chain-up system and method based on blockchain and biometrics Technical Field

[0001] The present invention relates to the field of blockchain technology, and in particular to a system and method for uploading trusted personal identity assets to a blockchain based on blockchain and biometrics. Background Art

[0002] In traditional centralized solutions, personal data is managed by the government. It is difficult for individuals to authorize a user to access this data. Official authorization is required to obtain the data, which means that the data is not actually in the hands of the user, making management extremely difficult.

[0003] Patent document CN111476568A (application number: 202010168718.7) discloses a blockchain-based off-chain asset on-chain process, including identity authentication, off-chain asset identification, off-chain asset title confirmation, off-chain asset on-chain application, network-wide broadcast, and consensus accounting, specifically including: S1, identity authentication; S2, off-chain asset identification; S3, off-chain asset title confirmation; S4, off-chain asset on-chain application; S5, network-wide broadcast; S6, consensus accounting. The present invention is based on the blockchain off-chain asset on-chain process, and adds an off-chain asset information identification and information collection process to the entire on-chain process, that is, the off-chain assets are identified through identification technologies such as RFID radio frequency identification technology, sensor technology, QR code technology, infrared sensing technology, GPS positioning technology, and the data conversion of off-chain asset title confirmation after information collection.

[0004] Summary of the Invention

[0005] In response to the shortcomings of the existing technology, the purpose of the present invention is to provide a system and method for chain-linking personal identity trusted assets based on blockchain and biometrics.

[0006] According to the present invention, a personal identity trusted asset chain system based on blockchain and biometrics includes:

[0007] Bioinformation collection module: collects bioinformation and digitally represents the collected bioinformation;

[0008] Biometric information re-encryption module: re-encrypts the digitally represented biometric information;

[0009] Biometric information chain module: stores the re-encrypted biometric information on the blockchain to form an unalterable identity record;

[0010] Biometric information reading module: reads the biometric information stored on the blockchain.

[0011] Preferably, in the biometric information collection module, biometric identification devices, including fingerprint sensors, iris scanners and / or voiceprint recognition devices, are used to collect personal biometric information; and the collected biometric information is converted into digital data form;

[0012] The biometric information includes fingerprint information, iris information and voiceprint information.

[0013] Preferably, in the biometric information re-encryption module, a proxy re-encryption algorithm is used to encrypt the digitized biometric information.

[0014] Preferably, in the biometric information reading module, an identity authentication request is received, including an individual's biometric information and access rights; the corresponding encrypted biometric information is obtained from the blockchain through a smart contract; the encrypted biometric information is decrypted using an authorization key and compared with the received biometric information for verification; after successful verification, the authenticity of the individual's identity is confirmed and a verification result is returned.

[0015] Preferably, it also includes: a trusted asset chain module;

[0016] The trusted asset chain module puts an individual's trusted asset information on the chain, including: digital certificates, academic certificates, professional qualifications and / or personal property; and binds the trusted assets to the individual's identity.

[0017] Preferably, it also includes: a biometric information updating module;

[0018] The biometric information updating module is used to update and manage the biometric information.

[0019] According to the present invention, a method for putting trusted personal identity assets on-chain based on blockchain and biometrics includes:

[0020] Step S1: using a bio-information collection module to collect bio-information and digitally represent the collected bio-information;

[0021] Step S2: re-encrypting the digitally represented biometric information using a biometric information re-encryption module;

[0022] Step S3: Using the biometric information chain module, the re-encrypted biometric information is stored on the blockchain to form an unalterable identity record;

[0023] Step S4: Use the biometric information reading module to read the biometric information stored on the blockchain.

[0024] Preferably, in the biometric information collection module, biometric identification devices, including fingerprint sensors, iris scanners and / or voiceprint recognition devices, are used to collect personal biometric information; and the collected biometric information is converted into digital data form;

[0025] The biometric information includes fingerprint information, iris information and voiceprint information.

[0026] Preferably, in the biometric information re-encryption module, a proxy re-encryption algorithm is used to encrypt the digitized biometric information.

[0027] Preferably, in the biometric information reading module, an identity authentication request is received, including an individual's biometric information and access rights; the corresponding encrypted biometric information is obtained from the blockchain through a smart contract; the encrypted biometric information is decrypted using an authorization key and compared with the received biometric information for verification; after successful verification, the authenticity of the individual's identity is confirmed and a verification result is returned.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] 1. With this invention, users can authorize any unit to obtain their personal data from the chain. This data is public and secure, which allows data to circulate while ensuring the credibility of the data source;

[0030] 2. This invention stores personal biometric information on the blockchain. When third-party software uses biometric information to log in, it can directly access the biometric information stored on the blockchain. At the same time, the biometric information on the blockchain is re-encrypted by the proxy, and only specific third parties can access it. Once the access rights are granted, it is public and cannot be tampered with. This ensures that the biometric information can be used correctly while ensuring its security. At the same time, once this secure identity information is in hand, personal asset information can be put on the blockchain, forming an environment where trusted assets with biometric identity information are put on the blockchain.

[0031] 3. The biometric information re-encryption module of this invention enhances the security of biometric information, preventing unauthorized access during transmission and storage. It also prevents tampering of biometric information. The re-encryption module encrypts biometric information and stores it on the blockchain. This prevents unauthorized modification or tampering, ensuring the integrity and immutability of biometric information. Only authorized third parties can decrypt and access biometric information. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Other features, objects and advantages of the present invention will become more apparent upon reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0033] Figure 1 is a schematic diagram of the personal identity trusted asset chain system based on blockchain and biometrics. DETAILED DESCRIPTION

[0034] The present invention is described in detail below with reference to specific embodiments. The following embodiments will help those skilled in the art to further understand the present invention, but are not intended to limit the present invention in any form. It should be noted that, without departing from the scope of the present invention, a number of variations and improvements may be made by those skilled in the art. These all fall within the scope of protection of the present invention.

[0035] The present invention provides a blockchain-based and biometric-based system and method for uploading trusted personal identity assets onto a blockchain. Essentially, this involves collecting, digitizing, and encrypting an individual's biometric information (such as fingerprints, irises, and voice), storing it on a blockchain. This process ensures the privacy and security of an individual's biometric information while creating an unalterable identity record on the blockchain. This method combines biometric data as part of identity, combining it with the immutability of the blockchain to ensure both identity credibility and privacy protection. The process of uploading biometric assets onto a blockchain raises privacy and security concerns, as biometric assets represent sensitive personal data. Strong encryption and security measures must be implemented to prevent unauthorized access and leakage. Furthermore, considerations must be given to how to handle users with multiple biometric characteristics and address the risk of biometric information theft.

[0036] Example 1

[0037] According to the present invention, a personal identity trusted asset chain system based on blockchain and biometrics includes: a biometric information collection module, a biometric information re-encryption module, a biometric information chain module, a biometric information reading module and a trusted asset chain module.

[0038] The biometric information collection module uses a third-party application to collect biometric information, including but not limited to fingerprint information, iris information, voiceprint, etc. The biometric information is converted into digital data through sensors or other biometric recognition devices.

[0039] After collecting biometric information, the biometric information re-encryption module is responsible for re-encrypting the biometric information and using proxy re-encryption technology to encrypt the information collected by the biometric information collection module and upload it to the chain, ensuring that only users designated by third-party applications can access the encrypted bio-asset information, thereby ensuring security and privacy protection.

[0040] The biometric information chain module is responsible for storing the re-encrypted biometric information on the blockchain to form an unalterable identity record.

[0041] The trusted asset on-chain module is responsible for uploading a person’s trusted asset information to the chain, including digital certificates, academic certificates, professional qualifications, personal property, and other asset information, and binding them to personal identity information.

[0042] The biometric information reading module is responsible for reading biometric information stored on the blockchain. When a third-party application needs to obtain relevant trusted digital asset information, it can use this module to input a person’s private key and read the data on the chain.

[0043] These modules together constitute a personal identity trusted asset chain system based on blockchain and biometric technology, and are responsible for the functions of biometric information collection, re-encryption, chain uploading, reading, and trusted asset chain uploading.

[0044] Specifically, a biometric device (such as a fingerprint sensor, iris scanner, or voiceprint recognition device) is used to collect an individual's biometric information. The collected biometric information is then transmitted to the biometric information re-encryption module. This module receives the data transmitted by the biometric information collection module and re-encrypts it. Using a proxy re-encryption algorithm, the biometric information is encrypted to ensure security and privacy. The encrypted biometric information is then transmitted to the biometric information on-chain module. The on-chain module receives the re-encrypted biometric data and records it on the blockchain, creating an unalterable identity record. This public record also guarantees the validity of the biometric information. As long as the user has the correct access rights, the biometric information accessed is authenticated and correct. Next, the biometric information reader module receives the authentication request, including the individual's biometric information and access rights. Through a smart contract, the encrypted biometric information is retrieved from the blockchain. It is decrypted using the authorized key and compared with the received biometric information for verification. Upon successful verification, the authenticity of the individual's identity is confirmed and a verification result is returned. Finally, third parties can also use the bio-asset on-chain module to bind personal bio-funds, such as digital certificates, academic certificates, professional qualifications, and personal property, to personal identity information and encrypt them on-chain. The specific flow chart is shown in Figure 1.

[0045] Through the above workflow, the various modules work together to achieve personal identity verification, encrypted storage and access of biometric information, and the on-chain storage of trusted assets. In particular, the biometric re-encryption module utilizes a secure proxy re-encryption algorithm designed and selected to ensure access only to designated third parties. Once granted access, the data remains public and tamper-proof, ensuring proper use while maintaining the security of biometric information. The overall system design and coordination ensure the security, privacy, and immutability of personal identity and asset information.

[0046] A new biometric update module could also be added to allow individuals to update and manage their biometric information in the system. For example, if an individual’s fingerprint or iris changes, the system should allow them to update their biometric information to ensure the accuracy of identity verification.

[0047] According to the present invention, a method for putting trusted personal identity assets on-chain based on blockchain and biometrics includes:

[0048] Step S1: Use a third-party application to collect biometric information using a biometric information collection module, including but not limited to fingerprint information, iris information, voiceprint, etc. The biometric information is converted into digital data through sensors or other biometric recognition devices.

[0049] Step S2: Use the biometric information re-encryption module to re-encrypt the biometric information after it is collected, and use proxy re-encryption technology to encrypt the information collected by the biometric information collection module and upload it to the chain, ensuring that only users designated by the third-party application can access the encrypted bio-asset information, thereby ensuring security and privacy protection.

[0050] Step S3: Use the biometric information chain module to store the re-encrypted biometric information on the blockchain to form an unalterable identity record.

[0051] Step S4: Use the trusted asset on-chain module to upload personal trusted asset information to the chain. This includes uploading various asset information such as digital certificates, academic certificates, professional qualifications, personal property, etc., and binding them to personal identity information.

[0052] Step S5: Use the biometric information reading module to read the biometric information stored on the blockchain. When a third-party application needs to obtain relevant trusted digital asset information, it can use this module to input the individual's private key and read the data on the chain.

[0053] Specifically, a biometric device (such as a fingerprint sensor, iris scanner, or voiceprint recognition device) is used to collect an individual's biometric information. The collected biometric information is then transmitted to the biometric information re-encryption module. This module receives the data transmitted by the biometric information collection module and re-encrypts it. Using a proxy re-encryption algorithm, the biometric information is encrypted to ensure security and privacy. The encrypted biometric information is then transmitted to the biometric information on-chain module. The on-chain module receives the re-encrypted biometric data and records it on the blockchain, creating an unalterable identity record. This public record also guarantees the validity of the biometric information. As long as the user has the correct access rights, the biometric information accessed is authenticated and correct. Next, the biometric information reader module receives the authentication request, including the individual's biometric information and access rights. Through a smart contract, the encrypted biometric information is retrieved from the blockchain. It is decrypted using the authorized key and compared with the received biometric information for verification. Upon successful verification, the authenticity of the individual's identity is confirmed and a verification result is returned. Finally, third parties can also use the bio-asset on-chain module to bind personal bio-funds, such as digital certificates, academic certificates, professional qualifications, and personal property, to personal identity information and encrypt them on-chain. The specific flow chart is shown in Figure 1.

[0054] Through the above workflow, the various modules work together to achieve personal identity verification, encrypted storage and access of biometric information, and the on-chain storage of trusted assets. In particular, the biometric re-encryption module utilizes a secure proxy re-encryption algorithm designed and selected to ensure access only to designated third parties. Once granted access, the data remains public and tamper-proof, ensuring proper use while maintaining the security of biometric information. The overall system design and coordination ensure the security, privacy, and immutability of personal identity and asset information.

[0055] The system also includes: Step S6: using the biometric information update module to allow individuals to update and manage their biometric information in the system. For example, if an individual's fingerprint or iris changes, the system should allow them to update their biometric information to ensure the accuracy of identity verification.

[0056] Example 2

[0057] Example 2 is a preferred example of Example 1

[0058] In the modern digital age, personal authentication and digital identity management have become crucial. Many online services, financial institutions, and e-commerce platforms require reliable authentication solutions to ensure secure transactions and prevent fraud. A personal identity trusted asset on-chain system based on blockchain and biometrics technology can provide a secure, convenient, and efficient digital identity authentication service. In this commercial implementation, a digital identity authentication platform was established that provides the following functions and services:

[0059] Registration and Identity Verification: Individual users can register and verify their identities through the platform. Using biometric technology (such as fingerprints, irises, and voiceprints), individuals' biometric information will be collected and stored on the blockchain to ensure security and immutability. Through biometric verification, the user's true identity is confirmed and a trusted digital identity is established.

[0060] Identity Verification Service: The platform allows users to authenticate themselves using digital identities. When users need to access partner platforms or services, they can use the identity verification feature to verify their identity through biometrics. The system reads and decrypts the corresponding biometric information from the blockchain and compares it with the biometric information provided by the user to confirm the user's identity.

[0061] Asset Management and Authorization: In addition to identity authentication, the platform also provides asset management and authorization capabilities. Users can upload various trusted asset information (such as academic certificates, professional qualifications, and digital certificates) to the blockchain and bind it to their digital identity. This ensures the authenticity and integrity of asset information, ensuring that only authenticated individuals can access and manage the corresponding asset information. Furthermore, users can authorize specific individuals or institutions to access their specific asset information without relying on intermediaries or centralized authentication agencies.

[0062] Security and Privacy: Proxy re-encryption technology is used to protect the security of personal biometric and asset information. Biometric information is encrypted during transmission and storage, and only authorized third parties can decrypt and access it. Access to personal identity and asset information is limited to authorized individuals or organizations, ensuring that sensitive personal data is protected from unauthorized access.

[0063] This commercial implementation combines the core functions of a blockchain-based, biometric-based, and trusted asset on-chain system for personal identity, providing a secure, efficient, and reliable solution for digital identity authentication services. Through this platform, individual users and partners can achieve a more secure and seamless authentication experience, effectively managing and authorizing their trusted asset information.

[0064] Those skilled in the art will appreciate that, in addition to implementing the system, device, and various modules provided by the present invention in purely computer-readable program code, it is entirely possible to implement the same program in the form of logic gates, switches, application-specific integrated circuits, programmable logic controllers, embedded microcontrollers, and the like by logically programming the method steps. Therefore, the system, device, and various modules provided by the present invention can be considered a hardware component, and the modules included therein for implementing various programs can also be considered structures within the hardware component; the modules for implementing various functions can also be considered both software programs for implementing the method and structures within the hardware component.

[0065] The above describes specific embodiments of the present invention. It should be understood that the present invention is not limited to the specific embodiments described above, and those skilled in the art may make various changes or modifications within the scope of the claims, which do not affect the essence of the present invention. The embodiments of this application and the features in the embodiments may be combined with each other in any manner unless there is a conflict.

Claims

1. A personal identity trusted asset chain system based on blockchain and biometrics, characterized by: include: Bioinformation collection module: collects bioinformation and digitally represents the collected bioinformation; Biometric information re-encryption module: re-encrypts the digitally represented biometric information; Biometric information on-chain module: stores the re-encrypted biometric information on the blockchain to form an unalterable identity record; Biometric information reading module: reads the biometric information stored on the blockchain.

2. The personal identity trusted asset chain system based on blockchain and biometrics according to claim 1 is characterized in that: In the biometric information collection module, biometric identification devices, including fingerprint sensors, iris scanners and / or voiceprint recognition devices, are used to collect personal biometric information; and the collected biometric information is converted into digital data form; The biometric information includes: fingerprint information, iris information and voiceprint information.

3. The personal identity trusted asset chain system based on blockchain and biometrics according to claim 1 is characterized in that: In the biometric information re-encryption module, the digitized biometric information is encrypted using a proxy re-encryption algorithm.

4. The personal identity trusted asset chain system based on blockchain and biometrics according to claim 1 is characterized in that: In the biometric information reading module, an identity authentication request is received, including an individual's biometric information and access rights; the corresponding encrypted biometric information is obtained from the blockchain through a smart contract; the authorization key is used to decrypt and compare the received biometric information for verification; after successful verification, the authenticity of the individual's identity is confirmed and the verification result is returned.

5. The personal identity trusted asset chain system based on blockchain and biometrics according to claim 1 is characterized in that: It also includes: trusted asset chain module; The trusted asset chain module puts an individual's trusted asset information on the chain, including: digital certificates, academic certificates, professional qualifications and / or personal property; and binds the trusted assets to the individual's identity.

6. The personal identity trusted asset chain system based on blockchain and biometrics according to claim 1 is characterized in that: Also includes: Bioinformation update module; The biological information updating module is used to update and manage the biological information.

7. A method for putting personal identity trusted assets on-chain based on blockchain and biometrics, characterized in that: include: Step S1: Collect biological information using the biological information collection module and digitize the collected biological information express; Step S2: re-encrypting the digitally represented biometric information using a biometric information re-encryption module; Step S3: Using the biometric information chain module to store the re-encrypted biometric information on the blockchain to form an unalterable identity record; Step S4: Use the biometric information reading module to read the biometric information stored on the blockchain.

8. The method for putting personal identity trusted assets on-chain based on blockchain and biometrics according to claim 7 is characterized in that: In the biometric information collection module, biometric identification devices, including fingerprint sensors, iris scanners and / or voiceprint recognition devices, are used to collect personal biometric information; and the collected biometric information is converted into digital data form; The biometric information includes: fingerprint information, iris information and voiceprint information.

9. The method for putting personal identity trusted assets on-chain based on blockchain and biometrics according to claim 7 is characterized in that: In the biometric information re-encryption module, the digitized biometric information is encrypted using a proxy re-encryption algorithm.

10. The method for putting personal identity trusted assets on chain based on blockchain and biometrics according to claim 7 is characterized in that: In the biometric information reading module, an identity authentication request is received, including an individual's biometric information and access rights; the corresponding encrypted biometric information is obtained from the blockchain through a smart contract; the authorization key is used to decrypt and compare the received biometric information for verification; after successful verification, the authenticity of the individual's identity is confirmed and the verification result is returned.

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