CN110868300B - Block chain evidence-storing method and system - Google Patents
Block chain evidence-storing method and system Download PDFInfo
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- CN110868300B CN110868300B CN201910414874.4A CN201910414874A CN110868300B CN 110868300 B CN110868300 B CN 110868300B CN 201910414874 A CN201910414874 A CN 201910414874A CN 110868300 B CN110868300 B CN 110868300B
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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
- H04L9/3263—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 involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements
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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
- H04L63/0861—Network architectures or network communication protocols for network security for authentication of entities using biometrical features, e.g. fingerprint, retina-scan
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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
- H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The application discloses a blockchain certification method and a blockchain certification system. The method comprises the following steps: extracting physiological characteristic values of physiological characteristics of a user; and taking the hash value of the physiological characteristic value as an element of evidence data of the user in the blockchain. The system comprises: the physiological characteristic extraction device is used for extracting physiological characteristic values of users and uploading the physiological characteristic values to the server; the hash calculation module is used for calculating the hash value of the physiological characteristic value; and the blockchain certification client is used for binding the hash value of the physiological characteristic value with the evidence data of the user and storing the hash value and the evidence data of the user into a blockchain network. The application uses physiological characteristics as one of key elements of the blockchain electronic data certification, so that individuals or enterprises can use the key elements to replace CA certification services, thereby reducing certification cost or being used as an additional key element to improve certification effectiveness.
Description
Technical Field
The application relates to the field of blockchain certification application, in particular to a blockchain certification method and a blockchain certification system.
Background
The common certificate is to store electronic data (such as electronic contracts, web pages, photos, videos, audio and video recordings, electronic documents, call records, emails and the like) on a server of a self-organization or a lease in a backup mode, and faults such as flaws, breakpoints, incomplete evidence and the like are easily caused in the transmission process because the electronic data are easily damaged. Not only is the technical requirement on a third party certification authority high, but also the times of transferring and reversing are reduced in the processes of generating, solidifying, certifying and storing electronic data and the subsequent evidence use, if the electronic data are stored on a rented server, the times of transferring the data are necessarily increased, the risk of tampering the data is increased, and the integrity is also destroyed. Moreover, the third party certificate authority is also an enterprise, and various unexpected conditions such as unstable service are likely to occur.
With the rapid development of blockchain technology, the certification service based on the blockchain technology is widely applied to various industries. The blockchain certification is based on the blockchain technology, adopts a multi-node consensus mode, or combines the electronic data certification services of authority nodes such as courts, notarization departments, arbitration mechanisms, judicial authentication centers, time service mechanisms, audit mechanisms, digital identity authentication centers and the like.
The blockchain certification service can be accessed to third party institutions such as Internet courts, judicial authentication centers, international time service centers, CA authentication centers and the like, so that the authority, reliability and authenticity of the electronic data certification are ensured. The "regulation" issued by the highest court 2018 in China mentions that "the electronic data submitted by the principal can prove the authenticity of the electronic data through the technical means of electronic signature, trusted timestamp, hash value verification, blockchain and other evidence collection, fixation and tamper resistance or through the authentication of an electronic evidence obtaining and storing platform, and the Internet court should confirm. The method is to perform legal confirmation on the trusted time stamp, the blockchain and other fixed evidence storage means in the form of judicial interpretation for the first time in China, which means that the application of the electronic evidence storage technology in the judicial level is an important breakthrough, and meanwhile, the blockchain evidence storage application service has good market prospect.
In the prior art of blockchain certification, paid CA authentication service is generally adopted in a large amount as a corresponding element of a certification party, but because the CA authentication service provided by the prior CA authentication center is charged and the certification cost of a user is high, a method capable of replacing the CA authentication service as one of key elements of blockchain certification is urgently needed.
Disclosure of Invention
The application aims to provide a blockchain certification method and a system, which realize that a user can use the key element to replace CA authentication service by taking physiological characteristics as one of key elements of blockchain electronic data certification, thereby reducing certification cost.
In order to achieve the above objective, an aspect of the present application provides a blockchain certification method, including:
extracting physiological characteristic values of physiological characteristics of a user;
and taking the hash value of the physiological characteristic value as an element of evidence data of the user in the blockchain.
Preferably, the extracting the physiological characteristic value of the physiological characteristic of the user includes: and scanning the physiological characteristics of the user and extracting the physiological characteristic values from the scanned electronic data of the physiological characteristics of the user.
Preferably, the extracting the physiological characteristic value of the user further includes: and uploading the physiological characteristic value of the user to a personal private server.
Preferably, the taking the hash value of the physiological characteristic value as the element of the evidence data of the user in the blockchain includes: and carrying out hash operation on the physiological characteristic value, binding the obtained hash value with evidence data uploaded by a user, and storing the bound value into a blockchain network.
Preferably, the method further comprises: third party rescans the physiological characteristic of the user and extracts the physiological characteristic value, recalculates the hash value of the physiological characteristic value and compares the hash value with the hash value which is used as the evidence-storing element so as to check whether the user is evidence-storing.
Preferably, the physiological characteristics of the user include at least one of facial characteristics, fingerprint characteristics and iris characteristics of the user.
In another aspect of the present application, a blockchain certification system is provided, including:
the physiological characteristic extraction device is used for extracting physiological characteristic values of users and uploading the physiological characteristic values to the server;
the hash calculation module is used for calculating the hash value of the physiological characteristic value;
and the blockchain certification client is used for binding the hash value of the physiological characteristic value with the evidence data of the user and storing the hash value and the evidence data of the user into a blockchain network.
Preferably, the hash calculation module is arranged in the server, and the server is a personal private server.
Preferably, the physiological characteristic extraction device scans physiological characteristics of the user and extracts the physiological characteristic values in the scanned physiological characteristic electronic data.
Preferably, the physiological characteristic extraction means includes at least one of face recognition means, fingerprint recognition means, and iris recognition means.
The application has the beneficial effects that:
(1) By using the physiological characteristic recognition technology to recognize the physiological characteristic of the depositor and using the hash value of the physiological characteristic value as one of key elements of the blockchain depositor, the depositor can use the key element to replace CA authentication service, thereby reducing depositor cost.
(2) The hash value of the personal physiological characteristic value can also be used as an additional key evidence storage element in the existing evidence storage, so that the evidence storage efficacy is improved.
(3) The personal physiological characteristic data is stored in the private server, only the hash value of the physiological characteristic value is used as a certification element, the private information of the user cannot be revealed, and the personal physiological characteristic data is safer.
The device of the present application has other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the application.
Drawings
The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.
FIG. 1 illustrates a flow chart of the steps of a blockchain certification method in accordance with the present application.
FIG. 2 illustrates a schematic diagram of a blockchain certification system in accordance with an embodiment of the present application.
Reference numerals illustrate:
1. a physiological feature extraction device; 2. a hash calculation module; 3. a blockchain certification client; 4. a server; 5. a blockchain network.
Detailed Description
The application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are illustrated in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
According to one aspect of the application, a blockchain certification method includes:
extracting physiological characteristic values of physiological characteristics of a user;
and taking the hash value of the physiological characteristic value as an element of evidence data of the user in the blockchain.
Specifically, the hash value of the unique physiological characteristic value of the user is extracted as one of the elements of the user in the blockchain, so that an individual or an enterprise can use the key element to replace the CA authentication service, thereby reducing the authentication cost, and the effectiveness of the blockchain authentication can also be increased by authenticating with the CA, and the scheme is not limited to one physiological characteristic value, and can use the hash value of a plurality of physiological characteristic values of the user as a plurality of authentication elements, or can use the combination of a plurality of physiological characteristic values and use the hash value as one authentication element. Wherein the blockchain is preferably a federated chain or a public chain. It should be noted that the user and the depositor in the present application are not limited to the individual user, but may include the enterprise user, and the physiological characteristic value of the enterprise user may select the hash value for obtaining the individual physiological characteristic value of the representative person of the enterprise as the depositor element.
In one example, extracting the physiological characteristic value of the physiological characteristic of the user includes: and scanning the physiological characteristics of the user and extracting physiological characteristic values from the scanned electronic data of the physiological characteristics of the user.
Specifically, the collecting device suitable for different physiological characteristics needs to be selected to scan the different physiological characteristics and generate electronic data corresponding to the physiological characteristic values, the collecting device can select the existing fingerprint identification device, face identification device, iris identification device and the like, or the collecting device capable of extracting a plurality of physiological characteristics at the same time is used, so that the extracting of the physiological characteristics is easy to realize for a person skilled in the art, and details are omitted here.
In one example, extracting the physiological characteristic value of the user further comprises: and uploading the physiological characteristic value of the user to the personal private server.
Specifically, in order to avoid the theft or leakage of personal privacy physiological characteristics of the user, in the scheme, after the physiological characteristics of the user are extracted, physiological characteristic data of the user are uploaded to a user privacy server, and only the user can acquire the physiological characteristics, so that the privacy leakage of the user is effectively avoided, and the evidence storage effect is improved.
In one example, taking the hash value of the physiological characteristic value as an element of the evidence data that the user has verified in the blockchain includes: and carrying out hash operation on the physiological characteristic value, binding the obtained hash value with evidence data uploaded by the user, and storing the obtained hash value into the blockchain network.
Specifically, the electronic data uploaded to the blockchain memory card by the user is generally bound with the time stamp of the national time service center, the personal identity information of the user, the digital signature of the third-party CA authentication service, the hash value of the electronic data and other factors, and meanwhile, the blockchain has the characteristics of distributed decentralization storage and non-falsification, so that the electronic memory card of the user can be ensured to have the characteristics of high reliability, incapability of falsification, strong safety, irreversible time sequence and the like, and even the user cannot modify the electronic memory card through the chaining operation; according to the scheme, the hash value of the physiological characteristic value of the user can be used for replacing the digital signature of the CA authentication service charged by the third party, the characteristics of high reliability, incapability of tampering, strong safety, irreversible time sequence and the like of the electronic certificate of the user can be realized, the cost of the electronic certificate can be saved for the user, and as the more elements in the electronic certificate are, the higher the efficacy of the certificate is, the physiological characteristic value of the user can be increased in the normal certificate storage elements so as to increase the efficacy of the electronic data certificate.
In one example, further comprising: the third party re-scans the physiological characteristics of the user, extracts the physiological characteristic values, re-calculates the hash values of the physiological characteristic values, and compares the hash values with the hash values which are used as the verification elements before so as to verify whether the user is self-verified.
Specifically, when verification of the authenticity of the stored electronic data is required, if legal disputes and the like occur, a verification mechanism (such as a notarization department, a judicial identification center and the like) can again extract the physiological characteristic value of the user corresponding to the stored electronic data and perform hash operation, the calculated hash value is compared with the hash value of the physiological characteristic value in the stored electronic data, if the hash values are consistent, the user identity is proved to be stored, and if the hash values are inconsistent, the non-identity is judged to be stored.
In one example, the user physiological characteristic includes at least one of facial characteristics, fingerprint characteristics, and iris characteristics of the user.
Specifically, the physiological characteristic values of the user in the present solution are not limited to facial features, fingerprint features and iris features, but also include unique biological features among each individual of palm print features, behavioral features (such as gait, sound, handwriting), DNA sequences, and the like of the user.
In another aspect of the application, a blockchain certification system includes:
the physiological characteristic extraction device is used for extracting physiological characteristic values of the user and uploading the physiological characteristic values to the server;
the hash calculation module is used for calculating the hash value of the physiological characteristic value;
and the blockchain certification client is used for binding the hash value of the physiological characteristic value with the evidence data of the user and storing the hash value into the blockchain network.
In one example, the hash computation module is disposed in a server, which is a personal privacy server.
In one example, the physiological characteristic extraction device scans physiological characteristics of the user and extracts physiological characteristic values in the scanned physiological characteristic electronic data.
In one example, the physiological characteristic extraction device includes at least one of a facial recognition device, a fingerprint recognition device, and an iris recognition device.
Examples:
FIG. 1 illustrates a flow chart of the steps of a blockchain certification method in accordance with the present application.
As shown in fig. 1, a blockchain certification method includes:
step 1: extracting physiological characteristic values of physiological characteristics of a user;
step 2: and taking the hash value of the physiological characteristic value as an element of evidence data of the user in the blockchain.
Wherein, step 1 includes: and scanning the physiological characteristics of the user and extracting physiological characteristic values from the scanned electronic data of the physiological characteristics of the user. And uploading the physiological characteristic value of the user to the personal private server.
Wherein, step 2 includes: and carrying out hash operation on the physiological characteristic value, binding the obtained hash value with evidence data uploaded by the user, and storing the obtained hash value into the blockchain network.
Wherein the physiological characteristics of the user include at least one of facial characteristics, fingerprint characteristics, and iris characteristics of the user.
Further comprises: the third party rescans the physiological characteristics of the user, extracts the physiological characteristic values, recalculates the hash values of the physiological characteristic values and compares the hash values with the hash values which are used as the evidence storage elements:
when the hash values are the same, judging that the identity exists;
and when the hash values are different, judging that the non-user himself/herself has evidence.
FIG. 2 illustrates a schematic diagram of a blockchain certification system in accordance with an embodiment of the present application.
As shown in fig. 2, a blockchain certification system includes: the system comprises a physiological characteristic extraction device, a hash calculation module and a blockchain certification client, wherein the physiological characteristic extraction device is used for extracting physiological characteristic values of users and uploading the physiological characteristic values to a server; the hash calculation module is used for calculating a hash value of the physiological characteristic value; the blockchain certification client is used for binding the hash value of the physiological characteristic value with the evidence data of the user and storing the hash value to the blockchain network.
The hash calculation module is arranged in a server, and the server is a personal private server. The physiological characteristic extraction device scans physiological characteristics of a user and extracts physiological characteristic values in the scanned physiological characteristic electronic data. The physiological characteristic extraction means includes at least one of a face recognition means, a fingerprint recognition means, and an iris recognition means.
According to the embodiment, the physiological characteristic recognition technology is used for recognizing the physiological characteristic of the depositor, the hash value of the physiological characteristic value is one of key elements of the blockchain depositor, so that an individual can use the key element to replace CA authentication service, the depositor cost is reduced or the effectiveness of the depositor is improved as an added element, meanwhile, the physiological characteristic data of the individual is saved to the private server, and only the hash value of the physiological characteristic value is used as the depositor element, so that the privacy information of the user cannot be revealed more safely.
The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (6)
1. A blockchain certification method applied to electronic data certification, comprising the steps of:
extracting physiological characteristic values of physiological characteristics of a user;
taking the hash value of the physiological characteristic value as an element of evidence data of the user in the blockchain;
the extracting the physiological characteristic value of the user further comprises: uploading the physiological characteristic value of the user to a personal private server;
the element for taking the hash value of the physiological characteristic value as the evidence data of the user in the blockchain comprises the following steps: carrying out hash operation on the physiological characteristic value, binding the obtained hash value with evidence data uploaded by a user, and storing the bound value into a blockchain network;
further comprises: third party rescans the physiological characteristic of the user and extracts the physiological characteristic value, recalculates the hash value of the physiological characteristic value and compares the hash value with the hash value which is used as the evidence-storing element so as to check whether the user is evidence-storing.
2. The method of blockchain certification of claim 1, wherein the extracting physiological characteristic values of the physiological characteristics of the user comprises: and scanning the physiological characteristics of the user and extracting the physiological characteristic values from the scanned electronic data of the physiological characteristics of the user.
3. The blockchain certification method of claim 1, wherein the user physiological characteristic includes at least one of facial features, fingerprint features and iris features of the user.
4. A blockchain certification system for electronic data certification, comprising:
the physiological characteristic extraction device is used for extracting physiological characteristic values of users and uploading the physiological characteristic values to the server;
the hash calculation module is used for calculating the hash value of the physiological characteristic value;
the blockchain certification client is used for binding the hash value of the physiological characteristic value with evidence data of the user and storing the hash value and the evidence data of the user into a blockchain network;
the hash calculation module is arranged in the server, and the server is a personal private server;
third party rescans the physiological characteristic of the user and extracts the physiological characteristic value, recalculates the hash value of the physiological characteristic value and compares the hash value with the hash value which is used as the evidence-storing element so as to check whether the user is evidence-storing.
5. The blockchain certification system of claim 4, wherein the physiological feature extraction device scans physiological features of the user and extracts the physiological feature values in the scanned physiological feature electronic data.
6. The blockchain forensic system according to claim 4 in which the physiological feature extraction means comprises at least one of facial recognition means, fingerprint recognition means and iris recognition means.
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| CN201910414874.4A CN110868300B (en) | 2019-05-17 | 2019-05-17 | Block chain evidence-storing method and system |
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| CN201910414874.4A CN110868300B (en) | 2019-05-17 | 2019-05-17 | Block chain evidence-storing method and system |
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| CN113452526B (en) * | 2020-03-25 | 2023-06-30 | 深圳法大大网络科技有限公司 | Electronic file certification method, verification method and corresponding devices |
| CN111931152B (en) * | 2020-09-17 | 2021-01-15 | 支付宝(杭州)信息技术有限公司 | Block chain-based electronic signature verification method and device and block chain-based electronic signature verification device and device |
| CN112487452A (en) * | 2020-12-01 | 2021-03-12 | 安徽三人信息科技有限公司 | On-site certificate storing method and device and related certificate storing system |
| CN112950415B (en) * | 2021-03-11 | 2024-01-16 | 全链通有限公司 | Judicial evidence fixing method, platform and system based on blockchain |
| CN113094366B (en) * | 2021-04-06 | 2022-05-03 | 湖北央中巨石信息技术有限公司 | Data verification method, system and storage medium based on block chain |
| CN113836576B (en) * | 2021-08-25 | 2023-07-07 | 安徽高山科技有限公司 | User privacy data protection method for taxi taking software |
| CN114866302B (en) * | 2022-04-26 | 2023-01-03 | 湖南大学 | Financial data evidence storing method and system based on block chain |
| CN116186787B (en) * | 2022-11-28 | 2023-11-10 | 河南九域腾龙信息工程有限公司 | Data storage method and system based on blockchain technology |
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