CN107181765A - Network digital identity identifying method based on block chain technology - Google Patents

Network digital identity identifying method based on block chain technology Download PDF

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Publication number
CN107181765A
CN107181765A CN201710610171.XA CN201710610171A CN107181765A CN 107181765 A CN107181765 A CN 107181765A CN 201710610171 A CN201710610171 A CN 201710610171A CN 107181765 A CN107181765 A CN 107181765A
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user
digital
block chain
service
signature
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焦继佩
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Unlimited (beijing) Technology Co Ltd
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Unlimited (beijing) Technology Co Ltd
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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
    • 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
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • 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
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6218—Protecting access to data via a platform, e.g. using keys or access control rules to a system of files or objects, e.g. local or distributed file system or database
    • G06F21/6245—Protecting personal data, e.g. for financial or medical purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
    • 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
    • H04L9/3247—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 digital signatures

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computing Systems (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Medical Informatics (AREA)
  • Storage Device Security (AREA)

Abstract

The present invention is a kind of network digital identity identifying method based on block chain technology, including 1）User's registration, carries out identity authentication service using vLink protocol views, block chain is uploaded if legal, block chain broadcasts the user profile to the whole network, and each node is added to the user profile between corresponding block, block and is relatively checking；2）The information of user is obtained, searching user's information is carried out by the service of vKey attribute authorities, the user name of user is returned, sex returns to a specific openid, to distinguish different users while age information；3）During the digital identification authentication using above-mentioned piece of chain technology, data are handled by signature.The present invention solves the information leakage occurred now, network fraudulent act by the way that users personal data is stored in into block chain from root, it is ensured that the security of data；Handled in data transmission procedure using digital signature, sensitive information is not tampered with the transmission of digital signature.

Description

Network digital identity identifying method based on block chain technology
Technical field
The present invention relates to computer networking technology, more particularly, to network digital Identity Management system, complete to set networking The processes such as standby registration, login, certification and transmission.
Background technology
When we carry out more convenient operation using some networked devices, it is required for by various network identities The process such as registration, login, certification and transmission.Our network identity all basic systems of real name now, wherein containing me Important essential information.
The illegal activities related to identity such as the network swindle, the infringement that occurred in recent years, are badly in need of structure complete set feasible Digital identity management system, to protect the information and property safety of citizen.The behind of some similar network trading application scenarios Have an entity, how to allow its it is corresponding with network identity be digital identity management system category, not no good solution, The problem of just occurring a series of relevant with network identity.
Authentication：Authentication is also referred to as " authentication " or " identity discriminating ", refers in computer and computer network The process of operator's identity is confirmed in network system, so that it is determined that whether the user has access and the right to use to certain resource Limit, and then the access strategy of cyber-net system is reliably and efficiently performed, prevent attacker from palming off validated user Obtain the access rights of resource, it is ensured that the safety of system and data, and authorize the legitimate interests of visitor.
Block chain refer to by decentralization and go trust in the way of collective safeguard an authentic data storehouse technical scheme, its Process of exchange is as follows：
The first step：Owner a signs a digital signature using her private key to preceding once transaction and next bit owner b, and This signature is attached to the end of this piece of currency, trading card is fabricated to；
Second step：A broadcasts trading card to the whole network, and bit coin has been transmitted to b, and each node receives the Transaction Information received Enter a block；
3rd step：Each node so as to go to obtain the right for creating new block, and is striven for obtaining bit by solving one of mathematical problem The reward of coin（New bit coin can be produced in the process）；
4th step：When a node finds solution, all lid timestamps that it just broadcasts block record to the whole network are merchandised, and right Other node checks of the whole network；
5th step：They are by after the legal region after the correctness of other node checks of the whole network block book keeping operation, no mistake Next block is competed, material is thus formed the block chain of a legal book keeping operation.
A kind of data platform based on block chain technology how is set up, information leakage, network swindle are solved from root Behavior, it is ensured that the security of data is the task of top priority.
The content of the invention
The purpose of the present invention is to propose to a kind of digital identification authentication system based on block chain technology, provided to different application Authentication data memory etc. is serviced, and it has merged block chain, and the security of information has been effectively ensured.Available for the users such as client letter The business such as breath storage.
In order to realize the purpose of the present invention, using following technical scheme：
A kind of network digital identity identifying method based on block chain technology, it is characterised in that described method includes：
1）User's registration, fills in complete personal information, and identity authentication service is carried out using vLink protocol views, if closed Rule uploads block chain, and block chain broadcasts the user profile to the whole network, and the user profile is added to correspondence by each node Block, be relatively checking between block；If not conforming to rule registration failure；
2）The information of user is obtained, searching user's information is carried out by the service of vKey attribute authorities, the user name of user, property is returned Not, an openid is returned to while age information, each user is labeled a specific openid, different to distinguish User；
3）During the digital identification authentication using above-mentioned piece of chain technology, data are handled by signature.
Described data signature processing method specific absolutely is as follows：
1）The source language message is carried out Hash operation by originating party A, obtains a cryptographic Hash i.e. digital digest MD；
2）Originating party A using asymmetric RSA Algorithm, is encrypted to digital digest MD with the private key PVA of oneself, is produced digital label Name DS；
3）The originating party A public key PBA of symmetry algorithm DES symmetric key SK to the source language message, digital signature SD and originating party A certificates Encrypted using symmetry algorithm, obtain encryption information E；
4）Originating party debit B public key PBB, is encrypted using RSA Algorithm to symmetric key SK, is formed digital envelope DE, is just looked like Symmetric key SK has been attached in an envelope with debit's public key encryption；
5）Encryption information E and digital envelope DE are sent jointly to debit B by originating party A；
6）Debit B is received after digital envelope DE, decrypts digital envelope with the private key PVB of oneself first, takes out symmetric key SK；
7）Debit B decrypts encryption information E with symmetric key SK by DES algorithms, restores the source language message, digital signature SD and hair The public key PBA of square A certificates；
8）Debit B verifies digital signature, first obtains digital digest MD with originating party A public key decryptions digital signature；
9）Debit B tries to achieve a new digital digest MD ' simultaneously by the source language message with same Hash operation；
10）Two digital digests MD and MD ' are compared, whether checking original text is changed.If the two is equal, illustrate data It is not tampered with, is secrecy transmission, signature is real, then agrees to that the data transfer is gone over；Otherwise the signature, data are refused Bust this.
The user includes natural person user, legal person user and equipment user；The service provided takes including authentication Business, attribute authority service, Digital signature service, credit third party " he demonstrate,proves ", user " from demonstrate,proving " and public's " card altogether ".
The identity authentication service carries out identity authentication service using vLink protocol agreements, it is ensured that legal user Add；One user, which is linked to after checking in block chain, to be permanently stored；Recorded information field is associated with generation timestamp And correspondingly, with uniqueness and can not tamper；The attribute authority service is provided in authentication after, and mandate includes The attribute information of name and sex；Transmission is encrypted to the user profile according to digital signature in Digital signature service, it is ensured that its safety Property.
The block chain uses Smart Data Engine, is worked on the basis of bit coin POW using kinematic nonlinearity Proof mechanism is measured, the degree of difficulty that each miner is elected as verifier is adjusted, it is to avoid tends to the possibility of exclusive checking, solves The problem of 51% attack, the acknowledging time of average block is shortened, the performance of operation per second is significantly improved.
Identity registration service, signature/inquiry service, attribute management/mandate are provided using Personal Data Storage Service, identity recovers service, attribute witness service；By Block Chain base powers, by core of block chain, there is provided body Part daily record, property logs, signing messages service.
The credit third party " he demonstrate,proves " be on the basis of using the digital identification authentication based on block chain technology there is provided The API that third party logs in, the digital identification authentication center based on block chain technology will return to an openid to indicate the use The uniqueness at family；The user " from demonstrate,proving " is to carry out user from demonstrate,proving using vLink protocol agreements, is first inquired about before registration Whether there is the user in block chain, if there is no can then register, if there is then registration failure, point out the user to note Volume；The public " card altogether " can be shared by increasing income for block chain, each may participate on distributed network other users whole The running of individual system, it is each to participate in safeguarding that node replicate the copy for obtaining a full database, so as to other users Confirmed.
The present invention digital identification authentication system by the way that users personal data is stored in into block chain rather than server, On the premise of without personal authorize, any focal pointe can not obtain my data, and present appearance is solved from root Information leakage, network fraudulent act, it is ensured that the security of data；
Handled in data transmission procedure using digital signature, sensitive information is not tampered with the transmission of digital signature, without Certification and the people authorized, do not see original data, serve the privacy functions to sensitive data in digital signature transmission.
Brief description of the drawings
Fig. 1 is the digital identification authentication architectural framework based on block chain technology；
Fig. 2 is data encryption and the flow for authenticating ID of the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with the drawings and specific embodiments, The present invention is described in more detail.
Fig. 1 is the digital identification authentication main frame based on block chain technology, as shown in the figure.Number based on block chain technology Word authentication is recorded mainly for natural person user, legal person user, equipment user's three major types on our distributed network All subscriber datas, it is main at present that identity authentication service, attribute authority service, Digital signature service, credit third party " he are provided Card ", user " from demonstrate,proving ", public's " card altogether " etc..The authentication center also incorporates the identity daily record of block chain, property logs, signature The functions such as information.
Identity authentication service：Identity authentication service is carried out using vLink protocol agreements, it is ensured that there was only legal use Family, which can just be added, to be come；One user is linked to after checking in block chain, permanent will be stored；Data on block chain Storehouse can not be destroyed, and recorded information field is associated and corresponding with generation timestamp, is just had uniqueness, can not be distorted Property, it is ensured that the authenticity of identity, uniqueness.
Attribute authority is serviced：Authentication can authorize some attribute informations, such as after：Name, gender information Deng.Application layer is contributed to obtain more data messages.
Digital signature service：Transmission is encrypted to the user profile according to digital signature, it is ensured that its security.
Smart Data Engine:CPOW common recognitions are refered in particular to, the common recognition is non-using dynamic on the basis of bit coin POW Linear work amount proves mechanism, adjusts the degree of difficulty that each miner is elected as verifier, it is to avoid tend to the possibility of exclusive checking, The problem of solving 51% attack.And the acknowledging time of average block is shortened, target block creation time is 15s, and bit The average block creation time of coin is 10 minutes, significantly improves the performance of operation per second, per second equivalent to script bit coin 40 times of transaction.
Personal Data Storage:Identity registration service, signature/inquiry service, attribute management/mandate clothes are provided Business, identity recovers service, attribute witness service.
Block Chain base powers：By core of block chain there is provided identity daily record, property logs, the clothes such as signing messages Business.
Credit third party " he demonstrate,proves "：If using the digital identification authentication based on block chain technology, it will thus provide third party steps on The API of record, if using the service, the digital identification authentication center based on block chain technology, it will return an openid with Indicate the uniqueness of the user.
User " from demonstrate,proving "：User is carried out from demonstrate,proving using vLink protocol agreements, first inquired about in block chain before registration Whether there is the user, if there is no can then register, if there is then registration failure, point out the user registered.
Public's " card altogether "：Increasing income for block chain can be shared, and other users on distributed network is each may participate in whole system The running of system, it is each to participate in safeguarding that node replicate the copy for obtaining a full database, so as to be carried out to other users Confirm.
Fig. 2 is data encryption and the flow for authenticating ID of the present invention, and its operating mechanism is as follows：1st, first, user has needed Into registration, personal information completely fill in out, identity authentication service is carried out using vLink protocol agreements, if closed Rule uploads block chain, and block chain broadcasts the user profile to the whole network, each node will be added to the user profile Corresponding block.If not conforming to rule registration failure.Due to being relatively checking between block, it is impossible to distort some letter Cease the data of block.
2nd, if it is intended to obtaining the information of user, then searching user's information can be carried out by the service of vKey attribute authorities, will It can return to the user name of user, sex, the information such as age, while returning to an openid, each user is labeled a spy Fixed openid, to distinguish different users, helps to apply to use.
3rd, the digital identification authentication based on block chain technology is during use, and data are handled by signature, Its detailed process is as follows：
1）The source language message is carried out Hash operation by originating party A, obtains a cryptographic Hash i.e. digital digest MD；
2）Originating party A using asymmetric RSA Algorithm, is encrypted to digital digest MD with the private key PVA of oneself, is produced digital label Name DS；
3）The originating party A public key PBA of symmetry algorithm DES symmetric key SK to the source language message, digital signature SD and originating party A certificates Encrypted using symmetry algorithm, obtain encryption information E；
4）Originating party debit B public key PBB, is encrypted using RSA Algorithm to symmetric key SK, is formed digital envelope DE, is just looked like Symmetric key SK has been attached in an envelope with debit's public key encryption；
5）Encryption information E and digital envelope DE are sent jointly to debit B by originating party A；
6）Debit B is received after digital envelope DE, decrypts digital envelope with the private key PVB of oneself first, takes out symmetric key SK；
7）Debit B decrypts encryption information E with symmetric key SK by DES algorithms, restores the source language message, digital signature SD and hair The public key PBA of square A certificates；
8）Debit B verifies digital signature, first obtains digital digest MD with originating party A public key decryptions digital signature；
9）Debit B tries to achieve a new digital digest MD ' simultaneously by the source language message with same Hash operation；
10）Two digital digests MD and MD ' are compared, whether checking original text is changed.If the two is equal, illustrate data It is not tampered with, is secrecy transmission, signature is real, then agrees to that the data transfer is gone over；Otherwise the signature, data are refused Bust this.
A set of digital identification authentication system is set up based on block chain technology, to ensure the security of data, this system is carried User profile is handled for the sdk used for third party, user profile is stored in block chain rather than server, keep away The generation of data leak is exempted from, has been conducive to protecting privacy of user.
First, the personal information of user is ensured, the problem of so easily information leakage will not occur；Secondly, Ensure that information authenticity, can not random alterability；Data distribution can prevent corruption, and you in many block chains Identity data hardly possible be tampered.
Particular embodiments described above, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect Describe in detail, should be understood that the specific embodiment that the foregoing is only the present invention, be not intended to limit the invention, Within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in the present invention's Within protection domain.

Claims (7)

1. a kind of network digital identity identifying method based on block chain technology, it is characterised in that described method includes：
1）User's registration, fills in complete personal information, and identity authentication service is carried out using vLink protocol views, if closed Rule uploads block chain, and block chain broadcasts the user profile to the whole network, and the user profile is added to correspondence by each node Block, be relatively checking between block；If not conforming to rule registration failure；
2）The information of user is obtained, searching user's information is carried out by the service of vKey attribute authorities, the user name of user, property is returned Not, an openid is returned to while age information, each user is labeled a specific openid, different to distinguish User；
3）During the digital identification authentication using above-mentioned piece of chain technology, data are handled by signature.
2. network digital identity identifying method according to claim 1, it is characterised in that described data signature processing side Method is as follows：
1）The source language message is carried out Hash operation by originating party A, obtains a cryptographic Hash i.e. digital digest MD；
2）Originating party A using asymmetric RSA Algorithm, is encrypted to digital digest MD with the private key PVA of oneself, is produced digital label Name DS；
3）The originating party A public key PBA of symmetry algorithm DES symmetric key SK to the source language message, digital signature SD and originating party A certificates Encrypted using symmetry algorithm, obtain encryption information E；
4）Originating party debit B public key PBB, is encrypted using RSA Algorithm to symmetric key SK, is formed digital envelope DE, is just looked like Symmetric key SK has been attached in an envelope with debit's public key encryption；
5）Encryption information E and digital envelope DE are sent jointly to debit B by originating party A；
6）Debit B is received after digital envelope DE, decrypts digital envelope with the private key PVB of oneself first, takes out symmetric key SK；
7）Debit B decrypts encryption information E with symmetric key SK by DES algorithms, restores the source language message, digital signature SD and hair The public key PBA of square A certificates；
8）Debit B verifies digital signature, first obtains digital digest MD with originating party A public key decryptions digital signature；
9）Debit B tries to achieve a new digital digest MD ' simultaneously by the source language message with same Hash operation；
10）Two digital digests MD and MD ' are compared, whether checking original text is changed；
If the two is equal, illustrate that data are not tampered with, be secrecy transmission, signature is real, then agree to that the data are passed The defeated past；Otherwise the signature, data transmission fails are refused.
3. network digital identity identifying method according to claim 2, it is characterised in that the user uses including natural person Family, legal person user and equipment user；The service provided includes identity authentication service, attribute authority service, Digital signature service, credit Third party's " he demonstrate,proves ", user " from demonstrate,proving " and public's " card altogether ".
4. network digital identity identifying method according to claim 2, it is characterised in that the identity authentication service is used VLink protocol agreements carry out identity authentication service, it is ensured that legal user adds；One user links after checking Permanently stored into block chain；Recorded information field and the association of generation timestamp are simultaneously corresponding, with uniqueness and can not distorting Property；The attribute authority service is provided in authentication after, and mandate includes name and the attribute information of sex；Signature clothes Transmission is encrypted to the user profile according to digital signature in business, it is ensured that its security.
5. network digital identity identifying method according to claim 4, it is characterised in that the block chain uses Smart Data Engine, use kinematic nonlinearity proof of work mechanism on the basis of bit coin POW, adjust each miner and are selected For the degree of difficulty of verifier, it is to avoid tend to the possibility of exclusive checking, the problem of solving 51% attack shortens average block Acknowledging time, significantly improve the performance of operation per second.
6. network digital identity identifying method according to claim 5, it is characterised in that use Personal Data Storage provides identity registration service, and signature/inquiry service, attribute management/authorization service, identity recovers service, attribute witness Service；By Block Chain base powers, by core of block chain there is provided identity daily record, property logs, signing messages clothes Business.
7. network digital identity identifying method according to claim 6, it is characterised in that the credit third party " he demonstrate,proves " It is there is provided the API that third party logs on the basis of using the digital identification authentication based on block chain technology, based on block chain skill The digital identification authentication center of art will return to an openid to indicate the uniqueness of the user；The user " from demonstrate,proving " is to adopt User is carried out with vLink protocol agreements from card, whether in block chain have the user, if do not deposited if first being inquired about before registration It can then register, if there is then registration failure, point out the user registered；Public's " card altogether " is by block chain Increasing income to share, and other users on distributed network is each may participate in the running of whole system, each to participate in safeguarding node Reproducible obtains the copy of a full database, so as to confirm to other users.
CN201710610171.XA 2017-07-25 2017-07-25 Network digital identity identifying method based on block chain technology Pending CN107181765A (en)

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