CN112688786A - Evidence construction and real-name identity authentication method based on block chain - Google Patents
Evidence construction and real-name identity authentication method based on block chain Download PDFInfo
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Abstract
The invention discloses an evidence construction and real-name identity authentication method based on a block chain, which comprises the following steps: a user requests registration, a user identity block chain is constructed, and a unique abstract is generated; returning the created index number, the generated unique abstract and the timestamp to the user; confirming the user identity and creating a new user identity certificate; the user node sends confirmation request information for real-name identity authentication, and matches with the identity information record corresponding to the user; returning an identity authentication signature to the user node according to the matching result; the user node carries out encryption signature on the confirmation information by using a private key, and the authentication mechanism broadcasts user identity verification information of the user to all other authentication mechanisms participating in the identity block chain construction process; and verifying the confirmation information and the time stamp, and broadcasting to each node after the verification is passed. The invention provides identity authentication and query verification of an online network by creating the identity authentication information of the user node, protects the privacy of each user and enhances the credibility of each user.
Description
Technical Field
The invention relates to the technical field of internet, in particular to an evidence construction and real-name identity authentication method based on a block chain.
Background
In real life, the government issues identity cards to verify the identity of residents, and similarly, users on the internet need to perform identity verification, but verification is issued by a certification authority in the form of network data. At present, all block chains participate in an anonymous mode substantially, only all block chain behaviors can be proved to be a certain user and cannot be forged by other users, even if a certificate issued by a national CA (certificate Authority) is adopted, only a network identity can be proved, and a real identity cannot be proved, and if a CA organization needs to participate in an offline mode to prove the real-name identity, the CA organization is very complex. Anonymity carries an increased risk of fraud, which is not allowed by real law.
With the rapid development of people's use of the internet and information consumption, electronic evidence is increasingly used in court trial or in folks as approved evidence. When presence attestation needs to be made for certain electronic data, people choose a trusted way to attest who, when, what content was made, or what actions occurred.
The dependence of the existing internet identity verification on the certification authority is strong, and the following problems exist: the system is opaque, the safety of links such as creation, storage, transmission and the like is problematic, and the risk of being attacked or maliciously cheated and tampered, threatening property safety and the like exists; the user often needs to perform operations such as registration, login, verification and the like on a plurality of authentication mechanisms respectively, and if the network of a single center fails, the application cannot be served, so that the authentication efficiency is low.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an evidence construction and real-name identity authentication method based on a block chain aiming at the defects involved in the background technology, and solve the problems that the system is opaque, the safety cannot be guaranteed, the single-center network fails to serve, and the identity authentication efficiency is low.
The technical problems of the invention are realized by adopting the following technical scheme:
an evidence construction and real-name identity authentication method based on a block chain comprises the following steps:
the user requests to register as a user node of the block chain, the authentication mechanism constructs the user identity block chain according to an identity verification request submitted by the user, and a unique abstract is generated for the electronic data of the user by adopting a Hash algorithm;
the user identity block chain establishes an index number for the block and returns the index number, the generated unique abstract and the timestamp to the user;
the method comprises the steps of confirming the identity of a user, decrypting data encrypted by the private key of the user by using the private key of a certification authority, confirming the decrypted data and a timestamp, creating a new user identity certificate after the confirmation is passed, and locally generating a public key and a private key;
the user node provides personal identification and a public key, sends confirmation request information for real-name identity authentication to the database node, matches the identity information record corresponding to the user, inquires user registration information corresponding to the identity information and matches the user registration information;
returning an identity authentication signature to the user node according to the matching result;
the user node carries out encryption signature on the confirmation information by using a private key, and the authentication mechanism broadcasts user identity verification information of the user to all other authentication mechanisms participating in the identity block chain construction process;
and the authentication mechanism carries out user identity authentication by means of the identity block chain, verifies the confirmation information and the timestamp after receiving the identity authentication message, broadcasts the user identity certificate to each node of the identity block chain after the verification is passed, and writes the user identity certificate into the identity block chain.
Preferably, a user identity blockchain is constructed, electronic data is sent to a digital abstract generator, a digital abstract module of the identity blockchain generates a unique digital abstract, a record comprising the digital abstract and a public key is constructed, the record is broadcasted to each participant in the network, and other received records are sent to the blockchain together.
Preferably, the method for creating a new user identity certificate includes: and signing the unique abstract, the user information, the generated public key, the related information of the certification authority and the creation time by using a secret key of the certification authority, and generating the user identity certificate by using a Hash algorithm.
Preferably, when the identity block chain is constructed, after the intelligent consensus module agrees with other parties, the newly agreed block is transmitted to the block chain, and a new block is constructed and stored.
Preferably, the confirmation request information includes, but is not limited to, the user's real name, certificate number, sex, address, and pre-encrypted user registration information.
Preferably, after the user identity authentication is passed, the verification result and the digital signature are returned to the verification application node together.
Preferably, the authentication request includes user information, a user public key, an index number, creation time for applying authentication, and complete contents of the original user electronic data.
Preferably, the user information further includes, but is not limited to, a validity period, an address, a place of birth, and a place of issue of the user identification document.
Preferably, the identity block chain verifies the identity verification message of the user node, including receiving a challenge of the verification result, calculating the percentage of the challenge message, verifying the identity information of the challenge node, and broadcasting the verification result after the verification is passed.
According to the identity construction and authentication method provided by the invention, the identity authentication information of the user node is created, so that all parties participating in the identity construction and authentication can jointly build and maintain the block chain, the privacy of each user is protected, the real-name participation of each block chain node is realized, the identity authentication and query verification of an online network are provided, the cost of identity authentication is reduced, the authentication efficiency is provided, and the credibility of the identity authentication information is enhanced.
Detailed Description
The technical solution of the present invention will be described in further detail below. It is understood that the embodiments described are only a few embodiments, not all embodiments, and that all other embodiments obtained by those skilled in the art without the use of inventive faculty are within the scope of the invention.
It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, components and/or sections, these elements, components and/or sections should not be limited by these terms.
An evidence construction and real-name identity authentication method based on a block chain comprises the following steps:
the user requests to register as a user node of the block chain, the authentication mechanism constructs the user identity block chain according to an identity verification request submitted by the user, and a unique abstract is generated for the electronic data of the user by adopting a Hash algorithm;
the blockchain is a novel application mode of computer technologies such as distributed data storage, point-to-point transmission, a consensus mechanism and an encryption algorithm, and is a decentralized database in essence. The blockchain contains a list of what are called blocks, with records that are growing and aligned. The user information is added to the book record of the blockchain, and a series of verification is carried out according to the blockchain mechanism.
The user identity block chain establishes an index number for the block and returns the index number, the generated unique abstract and the timestamp to the user;
the method comprises the steps of confirming the identity of a user, decrypting data encrypted by the private key of the user by using the private key of a certification authority, confirming the decrypted data and a timestamp, creating a new user identity certificate after the confirmation is passed, and locally generating a public key and a private key;
content encrypted using the public key can only be decrypted using the private key, and content encrypted using the private key can only be decrypted using the public key.
The user node provides personal identification and a public key, sends confirmation request information for real-name identity authentication to the database node, matches the identity information record corresponding to the user, inquires user registration information corresponding to the identity information and matches the user registration information;
returning an identity authentication signature to the user node according to the matching result;
the user node carries out encryption signature on the confirmation information by using a private key, and the authentication mechanism broadcasts user identity verification information of the user to all other authentication mechanisms participating in the identity block chain construction process;
and the authentication mechanism carries out user identity authentication by means of the identity block chain, verifies the confirmation information and the timestamp after receiving the identity authentication message, broadcasts the user identity certificate to each node of the identity block chain after the verification is passed, and writes the user identity certificate into the identity block chain.
If the certification authority does not participate in the building process of the identity block chain and the certification authority trusted by the certification authority is not found to participate in the building process of the identity block chain, the certification authority cannot complete the user identity verification by means of the block chain and needs to perform the individual user identity verification in a traditional mode.
Preferably, a user identity blockchain is constructed, electronic data is sent to a digital abstract generator, a digital abstract module of the identity blockchain generates a unique digital abstract, a record comprising the digital abstract and a public key is constructed, the record is broadcasted to each participant in the network, and other received records are sent to the blockchain together.
Preferably, the method for creating a new user identity certificate includes: and signing the unique abstract, the user information, the generated public key, the related information of the certification authority and the creation time by using a secret key of the certification authority, and generating the user identity certificate by using a Hash algorithm.
Preferably, when the identity block chain is constructed, after the intelligent consensus module agrees with other parties, the newly agreed block is transmitted to the block chain, and a new block is constructed and stored.
Preferably, the confirmation request information includes, but is not limited to, the user's real name, certificate number, sex, address, and pre-encrypted user registration information.
Preferably, after the user identity authentication is passed, the verification result and the digital signature are returned to the verification application node together.
Preferably, the authentication request includes user information, a user public key, an index number, creation time for applying authentication, and complete contents of the original user electronic data.
Preferably, the user information further includes, but is not limited to, a validity period, an address, a place of birth, and a place of issue of the user identification document.
Preferably, the identity block chain verifies the identity verification message of the user node, including receiving a challenge of the verification result, calculating the percentage of the challenge message, verifying the identity information of the challenge node, and broadcasting the verification result after the verification is passed.
According to the identity construction and authentication method provided by the invention, the identity authentication information of the user node is created, so that all parties participating in the identity construction and authentication can jointly build and maintain the block chain, the privacy of each user is protected, the real-name participation of each block chain node is realized, the identity authentication and query verification of an online network are provided, the cost of identity authentication is reduced, the authentication efficiency is provided, and the credibility of the identity authentication information is enhanced.
The preferred embodiments of the present specification disclosed above are intended only to aid in the description of the specification. Alternative embodiments are not exhaustive and do not limit the invention to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the specification and its practical application, to thereby enable others skilled in the art to best understand the specification and its practical application. The specification is limited only by the claims and their full scope and equivalents.
Claims (9)
1. An evidence construction and real-name identity authentication method based on a block chain is characterized by comprising the following steps:
the user requests to register as a user node of the block chain, the authentication mechanism constructs the user identity block chain according to an identity verification request submitted by the user, and a unique abstract is generated for the electronic data of the user by adopting a Hash algorithm;
the user identity block chain establishes an index number for the block and returns the index number, the generated unique abstract and the timestamp to the user;
the method comprises the steps of confirming the identity of a user, decrypting data encrypted by the private key of the user by using the private key of a certification authority, confirming the decrypted data and a timestamp, creating a new user identity certificate after the confirmation is passed, and locally generating a public key and a private key;
the user node provides personal identification and a public key, sends confirmation request information for real-name identity authentication to the database node, matches the identity information record corresponding to the user, inquires user registration information corresponding to the identity information and matches the user registration information;
returning an identity authentication signature to the user node according to the matching result;
the user node carries out encryption signature on the confirmation information by using a private key, and the authentication mechanism broadcasts user identity verification information of the user to all other authentication mechanisms participating in the identity block chain construction process;
and the authentication mechanism carries out user identity authentication by means of the identity block chain, verifies the confirmation information and the timestamp after receiving the identity authentication message, broadcasts the user identity certificate to each node of the identity block chain after the verification is passed, and writes the user identity certificate into the identity block chain.
2. The evidence construction and real-name identity authentication method based on the blockchain as claimed in claim 1, wherein the method comprises the following steps: the method comprises the steps of constructing a user identity block chain, sending electronic data to a digital abstract generator, generating a unique digital abstract by a digital abstract module of the identity block chain, constructing a record comprising the digital abstract and a public key, broadcasting the record to each participant in a network, and sending other received records to the block chain together.
3. The evidence construction and real-name identity authentication method based on the blockchain as claimed in claim 1, wherein the method for creating the new user identity certificate is as follows: and signing the unique abstract, the user information, the generated public key, the related information of the certification authority and the creation time by using a secret key of the certification authority, and generating the user identity certificate by using a Hash algorithm.
4. The evidence construction and real-name identity authentication method based on the block chain as claimed in claim 1, wherein when the identity block chain is constructed, after the intelligent consensus module agrees with other parties, the newly agreed block is transmitted to the block chain, and a new block is constructed and stored.
5. The method of claim 1, wherein the confirmation request information includes but is not limited to the user's real name, certificate number, gender, address, and pre-encrypted user registration information.
6. The evidence construction and real-name identity authentication method based on the blockchain as claimed in claim 1, wherein the method comprises the following steps: and after the user identity authentication is passed, returning the verification result and the digital signature to the verification application node.
7. The evidence construction and real-name identity authentication method based on the blockchain as claimed in claim 1, wherein the method comprises the following steps: the identity verification request comprises user information, a user public key, an index number, creation time for applying authentication and complete content of original user electronic data.
8. The method for evidence construction and real-name identity authentication based on block chain as claimed in claim 1, wherein the user information further includes but is not limited to validity period, address, place of birth, and place of issue of user identity document.
9. The evidence construction and real-name identity authentication method based on the block chain as claimed in claim 1, wherein the identity block chain performs verification and verification on the identity verification message of the user node, and comprises receiving a challenge of a verification result, calculating the percentage of the challenge message, verifying the identity information of the challenge node, and broadcasting and showing the verification passing result after the verification passes.
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| CN113468496A (en) * | 2021-07-26 | 2021-10-01 | 永旗(北京)科技有限公司 | Cipher information processing method based on block chain |
| CN113487321A (en) * | 2021-07-06 | 2021-10-08 | 域世安(北京)科技有限公司 | Identity identification and verification method and system based on block chain wallet |
| CN113610549A (en) * | 2021-08-25 | 2021-11-05 | 南方电网科学研究院有限责任公司 | Block chain-based interconnected vehicle authentication system and method |
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| CN113660089B (en) * | 2021-07-14 | 2024-02-06 | 方欣科技有限公司 | Tax payment user identity authentication method and device based on blockchain |
| CN113468496A (en) * | 2021-07-26 | 2021-10-01 | 永旗(北京)科技有限公司 | Cipher information processing method based on block chain |
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| CN113709734A (en) * | 2021-09-17 | 2021-11-26 | 中国传媒大学 | Unmanned aerial vehicle distributed identity authentication method based on block chain |
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| CN115396087A (en) * | 2022-06-20 | 2022-11-25 | 中国联合网络通信集团有限公司 | Identity authentication method, device, equipment and medium based on temporary identity certificate |
| CN115396087B (en) * | 2022-06-20 | 2024-04-30 | 中国联合网络通信集团有限公司 | Identity authentication method, device, equipment and medium based on temporary identity certificate |
| CN114978783A (en) * | 2022-08-02 | 2022-08-30 | 暗链科技(深圳)有限公司 | Zero-knowledge identity authentication method, authentication client, user client and system |
| CN114978783B (en) * | 2022-08-02 | 2022-11-11 | 暗链科技(深圳)有限公司 | Zero-knowledge identity authentication method, authentication client, user client and system |
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