CN110086821A - The authentication method of electric power things-internet gateway and the access of electric power internet-of-things terminal based on block chain - Google Patents
The authentication method of electric power things-internet gateway and the access of electric power internet-of-things terminal based on block chain Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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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
- H04L63/0807—Network architectures or network communication protocols for network security for authentication of entities using tickets, e.g. Kerberos
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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
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
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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
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
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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
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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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
- H04L9/3247—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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- 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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Abstract
The invention discloses a kind of electric power access gateway of internet of things based on block chain, applied to the distributed system with electric power Internet of Things feature.The gateway is made of three member authentication authorization module, block chain service module, business editor module components, realizes that the certification of electric power internet-of-things terminal identity legitimacy, electric power internet-of-things terminal certification certificate and access state deposit three functions of configuration of card, electric power Internet of Things parameters for authentication and agreement respectively.Based on above-mentioned electric power things-internet gateway, the invention also provides a kind of authentication methods of electric power internet-of-things terminal access.The present invention is known together using block chain technology distribution formula and anti-tamper feature, and authenticating authority data are added in block chain block, and gateway passes through inquiry authentication information and provides authentication result, solves data trust problem.Access authentication efficiency is improved, system-computed, the communication resource are saved.
Description
Technical field
The present invention relates to electric power internet of things field, especially a kind of electric power things-internet gateway and electricity based on block chain
The authentication method of power internet-of-things terminal access.
Background technique
It is weak that terminal node quantity is more in electric power Internet of Things, single-point calculates storage capacity, it is traditional based on cryptography means into
The mechanism of row centralized access purview certification is difficult to be applicable in, it is necessary to use efficient distributed schemes.Based on block chain technology
In electric power Internet of Things distributed authentication procedure, selection belongs to the terminal of an application or overlay area from electric power application scenarios
Certification group is responsible for carrying out access authentication to the node newly accessed.Terminal authentication group node by electric power internet of things service process and
Specification to new comer carry out access ballot, obtain 51% node pass through after obtain certification block chain book keeping operation permission, using area
Block chain function creates block chain node.
Authentication based on Public Key Infrastructure (PKI) is more mature authentication techniques at present, in current algorithm
In order to realize its Distributed Application, threshold cryptography mechanism is often used, needs to consume biggish calculating and communication overhead, is unfavorable for
Any wide-area deployment in electric power Internet of Things.In order to achieve the effect that decentralization, there is scholar to begin one's study block chain technology in body
The application of part field of authentication.Document [1] is based on bit coin system and proposes distributed PKI authentication system, but there are user's public affairs
The problem of sensitive information leakages such as key.For this problem, document [2] proposes a kind of PKI authentication scheme with secret protection
It improves.Document [3] proposes the scheme for improving certificate revocation and certificate query efficiency based on ether mill platform.
Although having several achievements currently based on the access authentication technique of block chain, for connecing for electric power internet-of-things terminal
It is more rare to enter authentication method, the present invention is for the problems such as large-scale concurrent access request, disclosing one kind in electric power Internet of Things
Efficient feasible electric power Internet of Things distribution access authentication scheme.
Bibliography:
[1] SUN Y, YU Y, LI X, et al.Batch verifiable computation with public
verifiability for outsourcing polynomials and matrix computations [C]//
Proceedings of the 21st Australasian Conference on Information Security and
Privacy:Part I, LNCS 9722.Cham:Springer, 2016:293-309.
[2] GARG S, GENTRY C, HALEVI S.Candidate multilinear maps from ideal
lattices[C]//EUROCRYPT 2013:Proceedings of the2013Annual International
Conference on the Theory and Applications of Cryptographic Techniques, LNCS
7881.Berlin:Springer,2012:1-17.
[3] BONEH D, GOH E-J, NISSIM K.Evaluating 2-DNF formulas on ciphertexts
[C]//TCC 2005:Proceedings of the 2005Theory of Cryptography Conference,LNCS
3378.Berlin:Springer,2005:325-341.
Summary of the invention
It is an object of the present invention to overcome the shortcomings of the prior art and provide a kind of electric power Internet of Things based on block chain
Net gateway, based on the electric power things-internet gateway, the invention also provides a kind of authenticating parties of electric power internet-of-things terminal access
Method.Present invention enhances electric power internet-of-things terminal letter of identity management services, realize the access of electric power internet-of-things terminal distribution
Authentication architecture, user can be according to different electric power internet of things service demand flexible deployments.The technical solution adopted by the present invention is that:
A kind of electric power things-internet gateway based on block chain, comprising:
Member authentication authorization module, for realizing the certification of electric power internet-of-things terminal identity legitimacy；
Block chain service module authenticates certificate for electric power internet-of-things terminal and access state deposits card；
Business editor module, the configuration for electric power Internet of Things parameters for authentication and agreement.
Further, the electric power things-internet gateway specifically includes following functions:
(1) each electric power internet-of-things terminal is authenticated to electric power things-internet gateway, and gateway is inquired in block chain service module
Authentication information verifying terminal identity；Gateway is the electric power internet-of-things terminal open bussiness access port by verifying；It cannot
It will be unable to access business by the electric power internet-of-things terminal of verifying；For cannot by the electric power internet-of-things terminal of verifying, if
It is to request for the first time, triggers new node registering functional, otherwise ignore its request；
(2) block chain service module includes accounting unit, safeguards distributed account book for being responsible for；Block chain service module
On block chain in store the digital signature of each legal terminal node identification；For the terminal node of new registration, block chain clothes
Business module generates new certification block by algorithm of knowing together；
(3) business editor module realizes electric power Internet of Things parameters for authentication and protocol configuration by block chain intelligence contract,
Terminal initialization is realized according to different electric power Internet of things system demands.
Based on above-mentioned electric power things-internet gateway, the present invention proposes a kind of authentication method of electric power internet-of-things terminal access, packet
Include following steps:
Step S1 is generated and the unique corresponding mark of the terminal iidentification of electric power internet-of-things terminal by third party's key management system
Know key；The certificate information of electric power internet-of-things terminal is stored in block chain by third party's key management system, and each block is deposited
The certificate of a terminal is stored up, block chain is run in gateway node；
Step S2, electric power internet-of-things terminal send access request to access gateway, and gateway carries out response to access request, eventually
End obtains gateway access permission；
Step S3, gateway choose the electric power Internet of Things for meeting number of thresholds according to the service feature for including in terminal request
Terminal forms certification group, initiates distributed authentication；Wherein, certification group node is divided into Peer node and Order node；
Step S4, Order node of the terminal into certification group send certification request, and Order node encapsulates certification request simultaneously
It broadcasts to certification group；All Peer nodes initiate distributed authentication in certification group, and certification is by the way of ballot, if request access
Electric power internet-of-things terminal power business tolerance band be allowed as new terminal access, then throw approval ticket, otherwise throw oppose
Ticket；Order node combination authentication result accesses distributed account book and keeps accounts, and accounting unit book keeping operation is returned after completing to Order node
Return authentication result；
Step S5, certification group Order node, issues authorization token to access gateway, access gateway sends authorization token
To the electric power internet-of-things terminal of request access, therefore electric power internet-of-things terminal obtains access authority.
Further, the distributed authentication procedure that all Peer nodes execute in certification group comprises the steps of:
The certification request information of step S401, Order node broadcasts is M, the ballot paper that the Peer node voted for is submitted
For σi, corresponding certification criterion is (σi,yi, M), wherein yiFor the sub-key of Peer node i；Peer node send certification criterion to
Order node；
Step S402, setting authentication threshold value are that t obtains t point after Order node receives t parts of legal certification criterions
It is right: (x1,y1),...,(xt,yt)；Using Lagrangian privacy sharing algorithm, calculate:
Obtain group cipher Sk, illustrate that the legal terminal for meeting number of thresholds t has been acknowledged the certification to new access terminal；
Authentication information is submitted accounting unit by Order node, generates new block corresponding with new access terminal node, meanwhile, use Sk
Authentication result is sent to gateway by encryption authorization token；
Step S403, gateway public key PkDecryption and authorization token is sent to the electric power internet-of-things terminal of request access, certification
Terminate.
The present invention has the advantages that using block chain technology distribution formula common recognition and anti-tamper feature, by authenticating authority number
According to being added in block chain block, gateway passes through inquiry authentication information and provides authentication result, solves data trust problem.The present invention
It can be deployed in generic server, that electric power Internet of things node is realized in such a way that block chain distribution account book is kept accounts goes to center
Change certification, and do not need the participation of trusted third party, improve access authentication efficiency, saves system-computed, the communication resource.
Detailed description of the invention
Fig. 1 is the electric power things-internet gateway configuration diagram of the invention based on block chain.
Fig. 2 is the electric power internet-of-things terminal identifying procedure figure of the invention based on block chain.
Fig. 3 is the electric power internet-of-things terminal distributed authentication schematic diagram of the invention based on block chain.
Specific embodiment
Below with reference to specific drawings and examples, the invention will be further described.
The present invention is based on the safe practices such as PKI system, digital certificate, enciphering and deciphering algorithm, strengthen electric power internet-of-things terminal
Letter of identity management service, realizes electric power internet-of-things terminal distribution access authentication framework, and user can be according to different electric power objects
Networking service demand flexible deployment.
Electric power internet-of-things terminal (abbreviation terminal in the present invention) includes two kinds of node: a in the present invention) Order section
Point is responsible for receiving the request of electric power internet-of-things terminal access authentication, organizes access authentication group, sends authorization token response certification and asks
It asks；B) Peer node executes inquiring and authenticating operation for contacting neighbouring Peer node；Electric power things-internet gateway executes data
Read-write, inquiry operation, by block chain know together algorithm, consistency protocol, safeguard block chain account book database；
Electric power things-internet gateway (present invention in abbreviation gateway) based on block chain includes:
Member authentication authorization module, for realizing the certification of electric power internet-of-things terminal identity legitimacy；
Block chain service module authenticates certificate for electric power internet-of-things terminal and access state deposits card；
Business editor module, the configuration for electric power Internet of Things parameters for authentication and agreement.
Specifically, the detailed functions of the electric power things-internet gateway based on block chain are as follows:
(1) each electric power internet-of-things terminal is authenticated to electric power things-internet gateway, and gateway is inquired in block chain service module
Authentication information verifying terminal identity；Gateway is the electric power internet-of-things terminal open bussiness access port by verifying；It cannot
It will be unable to access business by the electric power internet-of-things terminal of verifying；For cannot by the electric power internet-of-things terminal of verifying, if
It is to request for the first time, triggers new node registering functional, otherwise ignore its request；Certification request process is as shown in Figure 2；
(2) block chain service module includes accounting unit, safeguards distributed account book for being responsible for；Block chain service module
On block chain in store the digital signature of each legal terminal node identification；For the terminal node of new registration, block chain clothes
Business module generates new certification block by algorithm of knowing together；
Step 3: business editor module realizes that electric power Internet of Things parameters for authentication and agreement are matched by block chain intelligence contract
It sets, realizes the functions such as terminal initialization according to different electric power Internet of things system demands.
Wherein, the verification process of electric power internet-of-things terminal are as follows:
Step S1 generates terminal iidentification (such as hardware sequence with electric power internet-of-things terminal by third party's key management system
Number or the address IPV6 etc.) unique corresponding tagged keys (private key)；
Third party's key management system can construct the lightweight based on terminal iidentification for the electric power internet-of-things terminal of magnanimity
Key, third party's key management system can according to the terminal iidentification (such as hardware sequence number or the address IPV6) of terminal generate with
Unique corresponding tagged keys (private key), and support it is online or tagged keys are downloaded to safely offline internet-of-things terminal or its
In safety chip, all terminals can arbitrarily identify public key corresponding to (oneself or other terminals) with local computing；It gathers around
There is the internet-of-things terminal of tagged keys to support authentication end to end and end to end Data Encryption Transmission, supports terminal offline
Authentication business scene；
The certificate information of electric power internet-of-things terminal is stored in block chain by third party's key management system, and each block is deposited
The certificate of a terminal is stored up, block chain is run in gateway node；
Step S2, electric power internet-of-things terminal send access request, gateway pair to access gateway (referring to electric power things-internet gateway)
Access request carries out response, and terminal obtains gateway access permission；Terminal only obtains the permission of access gateway at this time, but can't visit
Ask the power telecom network in gateway；
Step S3, gateway choose the electric power Internet of Things for meeting number of thresholds according to the service feature for including in terminal request
Terminal forms certification group, initiates distributed authentication；Wherein, certification group node is divided into Peer node and Order node；
Step S4, Order node of the terminal into certification group send certification request, and Order node encapsulates certification request simultaneously
It broadcasts to certification group；All Peer nodes initiate distributed authentication in certification group, and certification is by the way of ballot, if request access
Electric power internet-of-things terminal power business tolerance band be allowed as new terminal access, then throw approval ticket, otherwise throw oppose
Ticket；Order node combination authentication result accesses distributed account book and keeps accounts, and accounting unit book keeping operation is returned after completing to Order node
Return authentication result；
In this step, relevant power business is also whether a criterion for allowing terminal to access；
Step S5, certification group Order node, issues authorization token to access gateway, access gateway sends authorization token
To the electric power internet-of-things terminal of request access, therefore electric power internet-of-things terminal obtains access authority.
Above-mentioned certification interactive process is as shown in Figure 3.
The distributed authentication procedure that all Peer nodes execute in certification group comprises the steps of:
The certification request information of step S401, Order node broadcasts is M, the ballot paper that the Peer node voted for is submitted
For σi, corresponding certification criterion is (σi,yi, M), wherein yiFor the sub-key of Peer node i；Peer node send certification criterion to
Order node；
Step S402, setting authentication threshold value are that t obtains t point after Order node receives t parts of legal certification criterions
It is right: (x1,y1),...,(xt,yt)；Using Lagrangian privacy sharing algorithm, calculate:
Obtain group cipher Sk, illustrate that the legal terminal for meeting number of thresholds t has been acknowledged the certification to new access terminal；
Authentication information is submitted accounting unit by Order node, generates new block corresponding with new access terminal node, meanwhile, use Sk
Authentication result is sent to gateway by encryption authorization token；
Step S403, gateway public key PkDecryption and authorization token is sent to the electric power internet-of-things terminal of request access, certification
Terminate.
Term of the present invention:
SDK: Software Development Kit.
API: application programming interface.
It should be noted last that the above specific embodiment is only used to illustrate the technical scheme of the present invention and not to limit it,
Although being described the invention in detail referring to example, those skilled in the art should understand that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of the technical solution of the present invention, should all cover
In the scope of the claims of the present invention.
Claims (4)
1. a kind of electric power things-internet gateway based on block chain characterized by comprising
Member authentication authorization module, for realizing the certification of electric power internet-of-things terminal identity legitimacy；
Block chain service module authenticates certificate for electric power internet-of-things terminal and access state deposits card；
Business editor module, the configuration for electric power Internet of Things parameters for authentication and agreement.
2. as described in claim 1 based on the electric power things-internet gateway of block chain, which is characterized in that
The electric power things-internet gateway specifically includes following functions:
(1) each electric power internet-of-things terminal is authenticated to electric power things-internet gateway, recognizing in gateway inquiry block chain service module
Demonstrate,prove the identity of credit-verification terminal；Gateway is the electric power internet-of-things terminal open bussiness access port by verifying；It cannot pass through
The electric power internet-of-things terminal of verifying will be unable to access business；For cannot be by the electric power internet-of-things terminal of verifying, if it is
Primary request, triggers new node registering functional, otherwise ignores its request；
(2) block chain service module includes accounting unit, safeguards distributed account book for being responsible for；On block chain service module
The digital signature of each legal terminal node identification is stored in block chain；For the terminal node of new registration, block chain services mould
Block generates new certification block by algorithm of knowing together；
(3) business editor module realizes electric power Internet of Things parameters for authentication and protocol configuration by block chain intelligence contract, according to
Different electric power Internet of things system demands realize terminal initialization.
3. a kind of authentication method of electric power internet-of-things terminal access, is based on electric power Internet of Things net as claimed in claim 1 or 2
It closes, which comprises the following steps:
Step S1 is generated close with the unique corresponding mark of the terminal iidentification of electric power internet-of-things terminal by third party's key management system
Key；The certificate information of electric power internet-of-things terminal is stored in block chain by third party's key management system, each block storage one
The certificate of a terminal, block chain are run in gateway node；
Step S2, electric power internet-of-things terminal send access request to access gateway, and gateway carries out response to access request, and terminal obtains
Obtain gateway access permission；
Step S3, gateway choose the electric power internet-of-things terminal for meeting number of thresholds according to the service feature for including in terminal request
Certification group is formed, distributed authentication is initiated；Wherein, certification group node is divided into Peer node and Order node；
Step S4, Order node of the terminal into certification group send certification request, and Order node encapsulation certification request is simultaneously broadcasted
To certification group；All Peer nodes initiate distributed authentication in certification group, and certification is by the way of ballot, if the electricity of request access
Power internet-of-things terminal is allowed as new terminal access in power business tolerance band, then throws approval ticket, otherwise vote against；
Order node combination authentication result accesses distributed account book and keeps accounts, and accounting unit book keeping operation is recognized after completing to the return of Order node
Demonstrate,prove result；
Step S5, certification group Order node, issues authorization token to access gateway, authorization token is sent to and asks by access gateway
The electric power internet-of-things terminal of access is sought, therefore electric power internet-of-things terminal obtains access authority.
4. the authentication method of electric power internet-of-things terminal access as claimed in claim 3, which is characterized in that
The distributed authentication procedure that all Peer nodes execute in certification group comprises the steps of:
The certification request information of step S401, Order node broadcasts is M, and the ballot paper that the Peer node voted for is submitted is σi,
Corresponding certification criterion is (σi,yi, M), wherein yiFor the sub-key of Peer node i；Peer node sends certification criterion to Order
Node；
Step S402, setting authentication threshold value are that t obtains t point pair: (x after Order node receives t parts of legal certification criterions1,
y1),...,(xt,yt)；Using Lagrangian privacy sharing algorithm, calculate:
Obtain group cipher Sk, illustrate that the legal terminal for meeting number of thresholds t has been acknowledged the certification to new access terminal；Order section
Authentication information is submitted accounting unit by point, generates new block corresponding with new access terminal node, meanwhile, use SkEncryption authorization
Authentication result is sent to gateway by token；
Step S403, gateway public key PkDecryption and authorization token, is sent to the electric power internet-of-things terminal of request access, and certification terminates.
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