CN109787987A - Electric power internet-of-things terminal identity identifying method based on block chain - Google Patents
Electric power internet-of-things terminal identity identifying method based on block chain Download PDFInfo
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- CN109787987A CN109787987A CN201910086142.7A CN201910086142A CN109787987A CN 109787987 A CN109787987 A CN 109787987A CN 201910086142 A CN201910086142 A CN 201910086142A CN 109787987 A CN109787987 A CN 109787987A
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Abstract
The present invention provides a kind of electric power internet-of-things terminal identity identifying method based on block chain, comprising: digital certificate request stage: certification terminal applies for digital certificate to authentication center, and authentication center forms a new block chain node in the certification block chain of its maintenance；Encrypted digital certificate is returned to certification terminal by authentication center；The certification request stage: certification terminal proposes access request to authentication gateway, and authentication gateway sends random number R and gives certification terminal, and result authentication authorization and accounting request data after encryption is sent to authentication gateway by certification terminal the private key encryption R and digital certificate of certification terminal；Authentication phase: the authentication gateway public key decryptions certification request data of certification terminal verify the correctness of R, then pass through certification if retrieving matched certificate information from the certificate information of retrieval certification terminal digital certificate on certification block chain.The present invention is a kind of high efficiency, the authentication method of low overhead.
Description
Technical field
The present invention relates to electric power Internet of Things security fields, especially a kind of electric power internet-of-things terminal identity based on block chain
Authentication method.
Background technique
Electric power Internet of Things is infrastructure important in smart grid, in the monitoring of power grid infrastructure, power generation and electricity
The fields such as net O&M, the acquisition of power business data and IN service application are widely applied.Due to electric system to reliability, in real time
Property, security requirement it is higher, electric power Internet of Things has higher requirement than conventional Internet of things system in terms of security protection.
Identity identifying technology is to confirm that entity is in computer systems by cryptography means to certain resource or service
The no method and mechanism for having access authority.Weak, identity that terminal node quantity is more in electric power Internet of Things, single-point calculates storage capacity
Certification is needed using high-efficient scheme.Block chain technology has as one kind facilitates verifying, undeniably, retrospective distribution
Formula account book technology, can be used in the authentication of electric power Internet of things node.
Application with block chain technology in security fields, block chain Internet of Things field of authentication application have it is several at
Fruit, such as application for a patent for invention " identity identifying method and system based on block chain " (application number 201611094966.1) are open
A kind of identity identifying method based on block chain, authenticates terminal device by two class Transaction Informations, improves certification
Safety and convenience.
Application study of the block chain technology in electric power Internet of Things security fields at present is fewer.
Summary of the invention
The present invention from electric power internet-of-things terminal authentication demand, give a kind of high efficiency, low overhead based on
The electric power internet-of-things terminal identity identifying method of block chain.The technical solution adopted by the present invention is that:
A kind of electric power internet-of-things terminal identity identifying method based on block chain, comprising:
S1, digital certificate request stage: certification terminal applies for digital certificate to authentication center, and authentication center generates number card
Book is simultaneously encrypted with the private key of authentication center, and certificate content includes the unique identity for authenticating terminal, the public affairs for authenticating terminal
Key, validity period of certificate, four category information of service identification；Authentication center forms a new block chain in the certification block chain of its maintenance
Node；Encrypted digital certificate is returned to certification terminal by authentication center；
S2, the certification request stage: certification terminal to authentication gateway propose access request, authentication gateway send random number R to
Terminal is authenticated, certification terminal the private key encryption R and digital certificate of certification terminal send out result authentication authorization and accounting request data after encryption
Give authentication gateway；
S3, authentication phase: the authentication gateway public key decryptions certification request data of certification terminal obtain R and digital certificate,
If R value is consistent with the R value that certification request phase authentication gateway is sent, the correctness of R is confirmed, then from certification block chain
The certificate information of retrieval certification terminal digital certificate, by certification, allows to authenticate eventually if retrieving matched certificate information
It terminates into network, if matching is refused to access less than certificate information.
Further, the block chain node for authenticating block chain includes block head and block body, and block head includes front and back node
Chain link relationship and certificate call number；Block body includes digital certificate information.
Further, in the S1 stage, newly-generated digital certificate is stored in new block chain node；Form is；
Expression is encrypted with the private key of authentication center；
IDT: indicate the identity of certification terminal；
Pub_Key: the public key of certification terminal is indicated；
Time_Stamp: timestamp indicates validity period of certificate；
Type: the certification terminal type of service to be accessed is indicated；
IDCA: indicate the identity information of authentication center.
Further, authentication center safeguards certification block chain, and each block chain node passes through distributed account book
Form indicates the digital certificate of an electric power internet-of-things terminal.
Further, in the S3 stage, from the certificate information of retrieval certification terminal digital certificate on certification block chain, specifically
The certificate call number of retrieval certification terminal digital certificate.
The present invention has the advantages that
1) authentication method based on block chain improves the confidence level of authentication center, avoids CA in traditional authentication schemes
Signature and encryption and decryption operation, reduce the complexity of certificate scheme, can be applied to the limited electric power Internet of Things system of system resource
System.
2) the easy verifying characteristic of block chain is utilized, retrieves digital certificate convenient for authentication gateway.
Detailed description of the invention
Fig. 1 is overview flow chart of the invention.
Fig. 2 is the block structure schematic diagram of certification block chain of the invention.
Fig. 3 is application digital certificate flow chart of the invention.
Specific embodiment
Below with reference to specific drawings and examples, the invention will be further described.
As shown in Figure 1, the present invention proposes a kind of electric power internet-of-things terminal identity identifying method based on block chain, the certification
Method has certification terminal, three authentication gateway, authentication center (abbreviation CA) participants, and the process of certification specifically includes following three
Stage:
S1, digital certificate request stage: certification terminal applies for digital certificate to authentication center, and authentication center generates number card
Book is simultaneously encrypted with the private key of authentication center, and certificate content includes the unique identity for authenticating terminal, the public affairs for authenticating terminal
Key, validity period of certificate, four category information of service identification；Authentication center forms a new block chain in the certification block chain of its maintenance
Node；Encrypted digital certificate is returned to certification terminal by authentication center；
As shown in Fig. 2, the block chain node of certification block chain includes block head and block body, block head includes front and back node
Chain link relationship and certificate call number；Block body includes digital certificate information；
Newly-generated digital certificate is stored in new block chain node；Form is；
Expression is encrypted with the private key of authentication center；
IDT: indicate the identity of certification terminal；
Pub_Key: the public key of certification terminal is indicated；
Time_Stamp: timestamp indicates validity period of certificate；
Type: the certification terminal type of service to be accessed is indicated；
IDCA: indicate the identity information of authentication center；
Authentication center safeguards that each block chain node indicates one by way of distributed account book to certification block chain
The digital certificate of a electric power internet-of-things terminal；
S2, the certification request stage: certification terminal to authentication gateway propose access request, authentication gateway send random number R to
Terminal is authenticated, certification terminal the private key encryption R and digital certificate of certification terminal send out result authentication authorization and accounting request data after encryption
Give authentication gateway；
S3, authentication phase: the authentication gateway public key decryptions certification request data of certification terminal obtain R and digital certificate,
If R value is consistent with the R value that certification request phase authentication gateway is sent, the correctness of R is confirmed, then from certification block chain
The certificate information of retrieval certification terminal digital certificate, by certification, allows to authenticate eventually if retrieving matched certificate information
It terminates into network, if matching is refused to access less than certificate information；
This stage, eventually from the certificate information of retrieval certification terminal digital certificate on certification block chain, specifically retrieval certification
The certificate call number for holding digital certificate proves that certification terminal has legal digital certificate, certification is logical if retrieved successfully
It crosses.
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 (5)
1. a kind of electric power internet-of-things terminal identity identifying method based on block chain characterized by comprising
S1, digital certificate request stage: certification terminal applies for digital certificate to authentication center, and authentication center generates digital certificate simultaneously
It is encrypted with the private key of authentication center, certificate content includes the unique identity for authenticating terminal, the public key for authenticating terminal, card
Book validity period, four category information of service identification；Authentication center forms a new block chain node in the certification block chain of its maintenance；
Encrypted digital certificate is returned to certification terminal by authentication center；
S2, the certification request stage: certification terminal proposes access request to authentication gateway, and authentication gateway sends random number R to certification
Terminal, certification terminal the private key encryption R and digital certificate of certification terminal, result authentication authorization and accounting request data after encryption is sent to
Authentication gateway；
S3, authentication phase: the authentication gateway public key decryptions certification request data of certification terminal obtain R and digital certificate, if
R value is consistent with the R value that certification request phase authentication gateway is sent, then confirms the correctness of R, then retrieves from certification block chain
The certificate information for authenticating terminal digital certificate, by certification, allows to authenticate terminal and connects if retrieving matched certificate information
Enter network, if matching is refused to access less than certificate information.
2. the electric power internet-of-things terminal identity identifying method based on block chain as described in claim 1, which is characterized in that
The block chain node of certification block chain includes block head and block body, and block head includes the chain link relationship and card of front and back node
Book call number；Block body includes digital certificate information.
3. the electric power internet-of-things terminal identity identifying method based on block chain as described in claim 1, which is characterized in that
In the S1 stage, newly-generated digital certificate is stored in new block chain node；Form is；
Expression is encrypted with the private key of authentication center；
IDT: indicate the identity of certification terminal；
Pub_Key: the public key of certification terminal is indicated；
Time_Stamp: timestamp indicates validity period of certificate；
Type: the certification terminal type of service to be accessed is indicated；
IDCA: indicate the identity information of authentication center.
4. the electric power internet-of-things terminal identity identifying method based on block chain as described in claim 1, which is characterized in that
Authentication center safeguards that each block chain node indicates an electricity by way of distributed account book to certification block chain
The digital certificate of power internet-of-things terminal.
5. the electric power internet-of-things terminal identity identifying method based on block chain as described in claim 1, which is characterized in that
In the S3 stage, from the certificate information of retrieval certification terminal digital certificate on certification block chain, specifically retrieval certification terminal
The certificate call number of digital certificate.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110505227A (en) * | 2019-08-23 | 2019-11-26 | 国网江苏省电力有限公司无锡供电分公司 | Power telecom network access authentication method and device based on block chain |
| CN110620820A (en) * | 2019-09-26 | 2019-12-27 | 国网山东省电力公司莱芜供电公司 | Ubiquitous power Internet of things intelligent management system |
| CN110838759A (en) * | 2019-11-19 | 2020-02-25 | 国网冀北电力有限公司秦皇岛供电公司 | Management method and system of distribution transformer terminal |
| CN110995418A (en) * | 2019-11-27 | 2020-04-10 | 中国联合网络通信集团有限公司 | Cloud storage authentication method and system, edge computing server and user router |
| CN111131167A (en) * | 2019-11-29 | 2020-05-08 | 中科曙光(南京)计算技术有限公司 | Internet of things identity verification method and device based on HIBE |
| CN111327612A (en) * | 2020-02-19 | 2020-06-23 | 深圳奥比中光科技有限公司 | System and method for authenticating depth measurement device |
| CN111478887A (en) * | 2020-03-19 | 2020-07-31 | 深圳市芯链科技有限公司 | Block chain Internet of things system and operation method |
| CN111478769A (en) * | 2020-03-18 | 2020-07-31 | 西安电子科技大学 | Distributed credible identity authentication method, system, storage medium and terminal |
| CN111478902A (en) * | 2020-04-07 | 2020-07-31 | 江苏润和智融科技有限公司 | Power edge gateway equipment and sensing data uplink storage method based on same |
| CN112448958A (en) * | 2020-11-30 | 2021-03-05 | 南方电网科学研究院有限责任公司 | Domain policy issuing method and device, electronic equipment and storage medium |
| CN112565265A (en) * | 2020-12-04 | 2021-03-26 | 国网辽宁省电力有限公司沈阳供电公司 | Authentication method, authentication system and communication method between terminal devices of Internet of things |
| CN112600707A (en) * | 2020-12-14 | 2021-04-02 | 四川虹微技术有限公司 | Internet of things equipment authentication method and device, electronic equipment and storage medium |
| CN113079215A (en) * | 2021-04-08 | 2021-07-06 | 华北电力大学（保定） | Block chain-based wireless security access method for power distribution Internet of things |
| CN114244527A (en) * | 2021-12-14 | 2022-03-25 | 中国电力科学研究院有限公司 | Block chain-based power Internet of things equipment identity authentication method and system |
| CN114500081A (en) * | 2021-06-28 | 2022-05-13 | 山东华科信息技术有限公司 | Data transmission method of power distribution Internet of things based on block chain |
| CN115150109A (en) * | 2021-03-29 | 2022-10-04 | 中移(上海)信息通信科技有限公司 | Authentication method, device and related equipment |
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Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110505227A (en) * | 2019-08-23 | 2019-11-26 | 国网江苏省电力有限公司无锡供电分公司 | Power telecom network access authentication method and device based on block chain |
| CN110620820A (en) * | 2019-09-26 | 2019-12-27 | 国网山东省电力公司莱芜供电公司 | Ubiquitous power Internet of things intelligent management system |
| CN110838759A (en) * | 2019-11-19 | 2020-02-25 | 国网冀北电力有限公司秦皇岛供电公司 | Management method and system of distribution transformer terminal |
| CN110995418A (en) * | 2019-11-27 | 2020-04-10 | 中国联合网络通信集团有限公司 | Cloud storage authentication method and system, edge computing server and user router |
| CN110995418B (en) * | 2019-11-27 | 2022-07-22 | 中国联合网络通信集团有限公司 | Cloud storage authentication method and system, edge computing server and user router |
| CN111131167A (en) * | 2019-11-29 | 2020-05-08 | 中科曙光(南京)计算技术有限公司 | Internet of things identity verification method and device based on HIBE |
| CN111327612A (en) * | 2020-02-19 | 2020-06-23 | 深圳奥比中光科技有限公司 | System and method for authenticating depth measurement device |
| CN111327612B (en) * | 2020-02-19 | 2022-05-24 | 奥比中光科技集团股份有限公司 | System and method for authenticating depth measurement device |
| CN111478769A (en) * | 2020-03-18 | 2020-07-31 | 西安电子科技大学 | Distributed credible identity authentication method, system, storage medium and terminal |
| CN111478887A (en) * | 2020-03-19 | 2020-07-31 | 深圳市芯链科技有限公司 | Block chain Internet of things system and operation method |
| CN111478902A (en) * | 2020-04-07 | 2020-07-31 | 江苏润和智融科技有限公司 | Power edge gateway equipment and sensing data uplink storage method based on same |
| CN112448958A (en) * | 2020-11-30 | 2021-03-05 | 南方电网科学研究院有限责任公司 | Domain policy issuing method and device, electronic equipment and storage medium |
| CN112565265A (en) * | 2020-12-04 | 2021-03-26 | 国网辽宁省电力有限公司沈阳供电公司 | Authentication method, authentication system and communication method between terminal devices of Internet of things |
| CN112565265B (en) * | 2020-12-04 | 2022-11-01 | 国网辽宁省电力有限公司沈阳供电公司 | Authentication method, authentication system and communication method between terminal devices of Internet of things |
| CN112600707A (en) * | 2020-12-14 | 2021-04-02 | 四川虹微技术有限公司 | Internet of things equipment authentication method and device, electronic equipment and storage medium |
| CN112600707B (en) * | 2020-12-14 | 2023-06-27 | 四川虹微技术有限公司 | Internet of things equipment authentication method and device, electronic equipment and storage medium |
| CN115150109A (en) * | 2021-03-29 | 2022-10-04 | 中移(上海)信息通信科技有限公司 | Authentication method, device and related equipment |
| CN113079215A (en) * | 2021-04-08 | 2021-07-06 | 华北电力大学（保定） | Block chain-based wireless security access method for power distribution Internet of things |
| CN113079215B (en) * | 2021-04-08 | 2022-10-28 | 华北电力大学（保定） | Block chain-based wireless security access method for power distribution Internet of things |
| CN114500081B (en) * | 2021-06-28 | 2022-09-27 | 山东华科信息技术有限公司 | Data transmission method of power distribution Internet of things based on block chain |
| CN114513361A (en) * | 2021-06-28 | 2022-05-17 | 山东华科信息技术有限公司 | Power distribution Internet of things based on block chain |
| CN114500081A (en) * | 2021-06-28 | 2022-05-13 | 山东华科信息技术有限公司 | Data transmission method of power distribution Internet of things based on block chain |
| CN114513361B (en) * | 2021-06-28 | 2022-11-01 | 山东华科信息技术有限公司 | Power distribution Internet of things based on block chain |
| CN114244527A (en) * | 2021-12-14 | 2022-03-25 | 中国电力科学研究院有限公司 | Block chain-based power Internet of things equipment identity authentication method and system |
| CN114244527B (en) * | 2021-12-14 | 2023-10-31 | 中国电力科学研究院有限公司 | Block chain-based electric power Internet of things equipment identity authentication method and system |
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Application publication date: 20190521 |