CN112949582A - Biological characteristic acquisition system based on block chain - Google Patents

Biological characteristic acquisition system based on block chain Download PDF

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Publication number
CN112949582A
CN112949582A CN202110341967.6A CN202110341967A CN112949582A CN 112949582 A CN112949582 A CN 112949582A CN 202110341967 A CN202110341967 A CN 202110341967A CN 112949582 A CN112949582 A CN 112949582A
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biological characteristic
biological
mpt tree
different
data
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曾大军
罗小勇
康兴
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Jian College
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Jian College
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • 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
    • 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
    • H04L9/06—Cryptographic 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
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/50—Maintenance of biometric data or enrolment thereof
    • G06V40/53—Measures to keep reference information secret, e.g. cancellable biometrics

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Multimedia (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
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  • Collating Specific Patterns (AREA)

Abstract

The invention relates to the field of biological characteristic data management, in particular to a block chain-based biological characteristic acquisition system, which comprises: the user request response module is used for receiving a newly-added identity information request of the registration mechanism and awakening the corresponding biological characteristic acquisition module according to the identity characteristics input by the registration mechanism; the biological characteristic acquisition module is used for acquiring the newly added biological characteristics by using a preset template and storing nodes for the newly added biological characteristics matched with the corresponding MPT tree; and the incidence relation building module is used for building incidence relations among the MPT tree storage nodes and configuring corresponding access rules for each MPT tree storage node. The invention realizes the decentralized storage of the biological characteristic data, avoids the repeated collection of the biological characteristic data of the user and ensures the safety of the biological characteristic storage.

Description

Biological characteristic acquisition system based on block chain
Technical Field
The invention relates to the field of biological characteristic data management, in particular to a block chain-based biological characteristic acquisition system.
Background
Biometric identification technology has been widely used in various fields as an important technical means for human identification in recent years. The user biological characteristic identification data is complicated, different mechanisms are provided with unique biological characteristic identification databases, repeated collection and centralized storage modes of the user biological characteristic data are easy to attack, the risk of embezzlement exists, and once the biological characteristic data are obtained by lawbreakers, huge loss is brought to the user.
Disclosure of Invention
In order to solve the above problems, the present invention provides a block chain-based biometric feature acquisition system, which realizes decentralized storage of biometric feature data, and ensures security of biometric feature storage while avoiding repeated acquisition of biometric feature data of a user.
In order to achieve the purpose, the invention adopts the technical scheme that:
a blockchain-based biometric acquisition system comprising:
the user request response module is used for receiving a newly-added identity information request of the registration mechanism and awakening the corresponding biological characteristic acquisition module according to the identity characteristics input by the registration mechanism;
the biological characteristic acquisition module is used for acquiring the newly added biological characteristics by using a preset template and storing nodes for the newly added biological characteristics matched with the corresponding MPT tree;
and the incidence relation building module is used for building incidence relations among the MPT tree storage nodes and configuring corresponding access rules for each MPT tree storage node.
Further, different enrolment authorities are configured with different biometric acquisition modules, and different biometric acquisition modules are configured with different biometric acquisition templates.
Furthermore, the biological characteristic acquisition template realizes the acquisition of biological characteristic data based on different acquisition rules, and calculates a hash value corresponding to each biological characteristic data configuration based on a hash function.
Further, the access rule comprises a user dynamic biological feature recognition result and/a mobile terminal verification code and/a USB key verification code.
Furthermore, each MPT tree storage node is configured with a different data access channel, each data access channel is configured with a different access rule, and the data access rule is updated once each access of the MPT tree storage node is performed.
Further, encryption of the biometric data loaded in the MPT tree storage node is achieved based on an out-of-authority data hiding locking mode.
Furthermore, the incidence relation building module is used for building incidence relations among biological characteristic data of the same user loaded in different MPT tree storage nodes, each incidence relation is configured with an unlocking secret key, and the user can check the corresponding incidence biological characteristic data only by inputting the corresponding unlocking secret key.
The invention has the following beneficial effects:
the method and the device have the advantages that the biological characteristic data are stored in a decentralized mode, repeated collection of the biological characteristic data of a user is avoided, and meanwhile the safety of biological characteristic storage is guaranteed.
Different data access channels are configured for each MPT tree storage node, different access rules are configured for each data access channel, and the data access rules are updated once each MPT tree storage node is accessed, so that the safety of the biological feature data loaded in the block chain is greatly improved.
Drawings
Fig. 1 is a system block diagram of a block chain-based biometric acquisition system according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1, an embodiment of the present invention provides a block chain-based biometric acquisition system, including:
the user request response module is used for receiving a newly-added identity information request of the registration mechanism and awakening the corresponding biological characteristic acquisition module according to the identity characteristics input by the registration mechanism; different registration mechanisms are configured with different biological characteristic acquisition modules, and the different biological characteristic acquisition modules are configured with different biological characteristic acquisition templates;
the biological characteristic acquisition module is used for acquiring biological characteristic data based on different acquisition rules, calculating a hash value corresponding to each piece of biological characteristic data based on a hash function, and matching a corresponding MPT tree storage node for the biological characteristic data;
and the incidence relation building module is used for building incidence relations among the MPT tree storage nodes and configuring corresponding access rules for each MPT tree storage node.
In this embodiment, the access rule includes a user dynamic biometric identification result and/a mobile terminal verification code and/a U shield verification code.
In this embodiment, each MPT tree storage node is configured with a different data access channel, each data access channel is configured with a different access rule, and the data access rule is updated once each access of the MPT tree storage node is performed.
In this embodiment, encryption of the biometric data loaded in the MPT tree storage node is implemented based on a hidden locking manner of data outside the authority. In the original state, all the biological characteristic data loaded in the MPT tree storage node are in a hidden locking mode, and after a dynamic biological characteristic identification result input by a user is received, the biological characteristic data in the authority limit is unlocked and displayed.
In this embodiment, the incidence relation building module is configured to build incidence relations among biological feature data of the same user loaded in different MPT tree storage nodes, each incidence relation is configured with an unlocking key, and a user can check the corresponding incidence biological feature data only by inputting the corresponding unlocking key.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims (7)

1. Biological characteristic collection system based on block chain, its characterized in that: the method comprises the following steps:
the user request response module is used for receiving a newly-added identity information request of the registration mechanism and awakening the corresponding biological characteristic acquisition module according to the identity characteristics input by the registration mechanism;
the biological characteristic acquisition module is used for acquiring the newly added biological characteristics by using a preset template and storing nodes for the newly added biological characteristics matched with the corresponding MPT tree;
and the incidence relation building module is used for building incidence relations among the MPT tree storage nodes and configuring corresponding access rules for each MPT tree storage node.
2. The blockchain-based biometric acquisition system of claim 1, wherein: different registration authorities are configured with different biometric acquisition modules, and different biometric acquisition modules are configured with different biometric acquisition templates.
3. The blockchain-based biometric acquisition system of claim 2, wherein: the biological characteristic acquisition template realizes the acquisition of biological characteristic data based on different acquisition rules and calculates a hash value corresponding to each biological characteristic data configuration based on a hash function.
4. The blockchain-based biometric acquisition system of claim 1, wherein: the access rule comprises a user dynamic biological feature recognition result and/or a mobile terminal verification code and/or a U shield verification code.
5. The blockchain-based biometric acquisition system of claim 1, wherein: each MPT tree storage node is configured with different data access channels, each data access channel is configured with different access rules, and the data access channel access rules are updated once each MPT tree storage node access is carried out.
6. The blockchain-based biometric acquisition system of claim 1, wherein: encryption of the internal biological feature data of the MPT tree storage node is achieved based on a mode of hiding and locking data outside the authority.
7. The blockchain-based biometric acquisition system of claim 1, wherein: the incidence relation building module is used for building incidence relations among biological characteristic data of the same user loaded in different MPT tree storage nodes, each incidence relation is configured with an unlocking secret key, and the user can check the corresponding incidence biological characteristic data only by inputting the corresponding unlocking secret key.
CN202110341967.6A 2021-03-30 2021-03-30 Biological characteristic acquisition system based on block chain Pending CN112949582A (en)

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Cited By (1)

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CN115580431A (en) * 2022-09-01 2023-01-06 广州大学 Private data access control method based on alliance chain intelligent contract

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CN112119612A (en) * 2018-03-30 2020-12-22 生物识别区块链有限责任公司 Integrating biometric data on a blockchain system
CN108650231A (en) * 2018-04-04 2018-10-12 广州广电运通金融电子股份有限公司 Physical characteristics collecting method and system based on block chain
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Application publication date: 20210611