CN103873473A - Method for authenticating anonymity groups of power-driven automobiles by charging station - Google Patents
Method for authenticating anonymity groups of power-driven automobiles by charging station Download PDFInfo
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- CN103873473A CN103873473A CN201410102335.4A CN201410102335A CN103873473A CN 103873473 A CN103873473 A CN 103873473A CN 201410102335 A CN201410102335 A CN 201410102335A CN 103873473 A CN103873473 A CN 103873473A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing
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Abstract
The invention discloses a method for authenticating anonymity groups of power-driven automobiles by a charging station and relates to the technical field of information safety. The method for authenticating the anonymity groups of the power-driven automobiles by the charging station includes the following steps that firstly, the power-driven automobiles request to access to a power grid; secondly, a central polymerizer is used for issuing a grid-accessing license for each power-driven automobile; thirdly, the automobiles request to add to a charging station of a certain zone; fourthly, a local polymerizer is used for verifying validity of the grid-accessing licenses; fifthly, the local polymerizer is used for distributing affiliated groups and signing and issuing the licenses to the power-driven automobiles; sixthly, the power-driven automobiles request to access to the charging station; seventhly, the charging station verifies whether the power-driven automobiles are allowed to access or not; eighthly, the charging station distributes a charging socket which is practical and useable for each verified power-driven automobile; ninthly, the power-driven automobiles and the charging station carry out information and energy interaction. According to the method for authenticating the anonymity groups of the power-driven automobiles by the charging station, anonymity authenticating on the automobiles by the charging station can be achieved, a vicious user can be tracked and punished to a certain degree and the group authenticating efficiency can be improved at the same time.
Description
Technical field
The invention belongs to communication technical field, further relate to a kind of charging station in field of information security technology to the anonymous group of electric automobile authentication method.The present invention can be used for electric automobile and need to charge or power while accessing electrical network scene, realizes the anonymous authentication of charging station to vehicle user, thus the privacy of protection vehicle user.
Background technology
Electric automobile access electrical network (V2G) combines electric automobile with intelligent grid, both solved the charging stress problems that the extensive development of electric automobile brings, and electric automobile can be accessed to electrical network as mobile, distributed energy storage unit again.But electric automobile is more liquid, the risk that frequent data item exchange brings user sensitive information to reveal in meeting real-time management.Therefore charging station (the ST of V2G
i) need to design anonymous group certificate scheme, support revoke dynamically adding with the identity of little expense of member simultaneously.
The people such as Binod Vaidya have proposed a kind of comprehensive dispersion authentication method for charging electric vehicle in article " Efficient Authentication Mechanism for PEV Charging Infrastructure " (In:Communications (ICC), 2011IEEE International Conference on).The concrete implementation step of the method is: the first, and initialization, the server of charging station obtains a certificate from registration body; The second, user's registration, user UD
iby the identity of oneself and log in password and issue registration body, suitable parameter is calculated by registration body, and these parameter read-ins, in smart card, and are issued to user UD by this smart card
i.The 3rd, authentication phase, as user UD
iwhile wanting to access charging device, user UD
imust and log in Password Input smart card by the identity of oneself, whether smart card checking logs in password and sets up, if the refusal of being false logs in request, otherwise smart card generates a certificate, and this certificate is issued to the server of charging station.The legitimacy of server authentication certificate.The 4th, if user is UD
iwant to upgrade logging in password, just need to carry out password replacement.The 5th, in the time that effective registration of user is expired, need to upgrade all parameters.Although the method has mutual authentication function, and protect user's privacy of identities.But the weak point that the method still exists is: in the time having malicious user to upset electrical network order, cannot investigate the identity of malicious user, thereby can not punish malicious user.
The people such as Huei-Ru Tseng are at article " A Secure and Privacy-Preserving Communication Protocol for V2G Networks " (In:Communitations; 2012IEEE Wireless Communications and Networking Conference) in proposed electric automobile and added a kind of communication means safe, that there is secret protection in electrical network (Vehical-to-Grid, V2G).The concrete implementation step of the method is: the first, and cipher key center initialization system parameter, for electric automobile, local polymerizer and central polymerizer distribute public and private key.Second, electric automobile must be registered to central polymerizer before the network that adds electric automobile and electrical network to form, the parameter of the identity of oneself and generation is issued central polymerizer by electric automobile, after central authorities' polymerizer identity verification is legal, generate a certificate, and this certificate is issued to electric automobile.The 3rd, in the time that electric automobile access electric automobile adds electrical network (Vehical-to-Grid, V2G), electric automobile is issued assumed name local polymerizer, the legitimacy of local polymerizer authentication certificate together with certificate.The 4th, determine that, after the legitimacy of certificate, the state information of oneself is issued local polymerizer by electric automobile, local polymerizer is again by all information fusions of receiving, and polymerization result is issued to central polymerizer.The method adopts assumed name to realize the secret protection to user identity.Assumed name generates and is distributed to different user by central polymerizer, and central polymerizer need to be stored these assumed names.Each electric automobile all needs to use different assumed names while adding V2G network, and customer volume is also larger.Bring the problem administering and maintaining of assumed name so just to central polymerizer.
State Grid Corporation of China is in patent " electric automobile and secure data exchange method and the system of filling the electrical changing station " (applying date: on October 15th, 2010 of its application, application number: 201010508362.3, publication number: CN102045340A) in proposed a kind of electric automobile and filled the method for interchanging data of electrical changing station safety.The implementation method of the method is: the first, and electric automobile sends self the integrity information through digital signature to filling electrical changing station, and the integrity information that obtains the other side is submitted safety information management center to; The second, fill the integrity information that electrical changing station submits to electric automobile to send to safety information management center, and submit the integrity information through digital signature to electric automobile; The 3rd, safety information management center authenticates integrity information, and feeds back authentication result; The 4th, when authentication result all meets, electric automobile and filling between electrical changing station connects, and carries out exchanges data.Although this patent application by appliance integrality Information Authentication, has realized electric automobile and has filled the security verification of electrical changing station equipment state.But the method still Shortcomings part is: the legitimacy for user identity does not authenticate, in the time there is malicious user, cannot follow the trail of malicious user.
Summary of the invention
The object of the invention is to overcome the deficiency of above-mentioned prior art, add electrical network to propose a kind of charging station to the anonymous group of electric automobile authentication method for electric automobile.The present invention has realized the anonymous authentication of charging station to electric automobile, can follow the trail of malicious user, and give certain punishment simultaneously, has improved well the stability of network system.
For achieving the above object, concrete steps of the present invention are as follows:
1. charging station, to the anonymous group of electric automobile authentication method, comprises the following steps:
(1) request access electrical network:
(1a) user is by the true identity of user's true identity and plan networking electric automobile licence plate, send to respectively central polymerizer to register, central authorities' polymerizer is that the electric automobile of intending networking is issued identity card, and identity card is recorded in the database of central polymerizer;
(1b) networking solicited message is issued central polymerizer by the electric automobile of intending networking, request access charging station;
(2) issue licenses book:
Central authorities' polymerizer is searched its database and whether is stored the electric automobile identity card that this plan networks, if storage, but not yet issue network access license book, the private key of central polymerizer utilization oneself is signed the identity of electric automobile and PKI to generate network access license book, and this license passport is presented to the electric automobile that this plan networks; If not storage, execution step (1);
(3) request adds region:
Electric automobile, by intending adding the solicited message in region, sends to local polymerizer;
(4) whether authentication certificate is legal:
(4a) local polymerizer utilizes central polymerizer PKI, and whether checking network access license book is legal, if network access license book is illegal, and execution step (1); Otherwise, execution step (4b);
(4b) time that network access license book is received in the checking of local polymerizer whether within validity date, if exceeded validity date, execution step (1), otherwise execution step (5);
(5) set up swarm parameter grant a certificate:
(5a) local polymerizer allows to add charging station place group's message to send to electric automobile electric automobile;
(5b) electric automobile, according to numbering generation method, generates an electric automobile numbering, and this electric automobile numbering is issued to local polymerizer;
(5c) local polymerizer receives the electric automobile numbering of sending from electric automobile, checks in the record sheet in current database whether comprise this electric automobile numbering, if comprise, and execution step (5b); Otherwise, distribute a charge position and corresponding charge position identifier to electric automobile;
(5d) signing certificate of affiliated group's related news and access charging station is issued electric automobile by local polymerizer;
(5e) electric automobile according to the following formula, generated group member certificate:
C＝(I,X,num,σ)
Wherein, C represents group members certificate, I represents charging electric vehicle location identifier, X represents the numbering of electric automobile, num represents the path code of electric automobile, the structural defence type signature that the path code of the numbering of the system private key that σ represents local polymerizer structural defence type signature to electric automobile and electric automobile carries out;
(6) request access charging station:
Electric automobile, by intending the request message of access charging station, sends to charging station;
(7) whether checking allows electric automobile access:
(7a) PKI of local polymerizer for charging station, the legitimacy of checking electric automobile signing certificate, if signing certificate is illegal, execution step (5), otherwise execution step (7b);
(7b) time that signing certificate is received in charging station checking whether within the validity date of signing certificate, if exceed validity date, execution step (5), otherwise execution step (8);
(8) charging station distributes a charging socket that reality is available to electric automobile;
(9) information and the energy are mutual:
(9a) after electric automobile access charging station, carry out key agreement with charging station, negotiate a session key;
(9b) electric automobile, respectively by subset division method and vectorial promise method, proves it oneself is legal group members;
(9c) group's private key used for electric vehicle, signs to the solicitation message of oneself, and signature result is sent to charging station;
(9d) charging station is received the message of sending from electric automobile, with group's PKI, signature is verified, if be verified, charging station is according to application and electrical network demand, and charging station and electric automobile carry out the mutual of the energy and information; Otherwise, execution step (9e);
(9e) group's signature information that charging station is sent electric automobile is issued local polymerizer;
(9f) local polymerizer receives the signature information of sending from charging station, according to group members method for tracing, the electric automobile that sends error message is followed the trail of.
The present invention compared with prior art has the following advantages:
First, because the present invention is in the time that electric automobile and charging station carry out information interaction, adopt revocable group members signature, overcome the shortcoming to malicious user untraceable that prior art exists, the present invention has been realized traceable to malicious user, can punish malicious user, improve the stability of network system.
Second, because the present invention is at electric automobile during to charging station anonymous attestation identity legitimacy, adopt subset division method and vectorial promise method, overcome the shortcoming that complexity is high that administers and maintains that realizes anonymous authentication existence in prior art with assumed name, made the present invention realize the simplification administering and maintaining.
The 3rd; because the present invention is in the time that group members certificate forms; adopt structure protection type signature; overcome the shortcoming that need to constantly upgrade group members certificate while upgrading member's status list in prior art; the present invention is realized and in the time upgrading member's status list, do not need to upgrade group members certificate; reduce computing cost, improved group's authentication efficiency.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention;
Fig. 2 is relation and the functional schematic of the present invention central authorities polymerizer, local polymerizer, charging station.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
With reference to accompanying drawing 2, relation and the function of the central polymerizer arriving involved in the present invention, local polymerizer, charging station are as follows:
Central authorities' polymerizer is that electric automobile adds electrical network (Vehical-to-Grid, V2G) processor of highest level in, due to central polymerizer calculate and storage capacity very strong, therefore, it is the network registration of responsible electric automobile mainly, for intending adding the electric automobile of electrical network to issue network access license book, and preserve the user's of all registrations in-depth identity information, comprise multiple local polymerizers.
Local polymerizer is the processor of central polymerizer next stage, due to local polymerizer calculate and storage capacity than central polymerizer a little less than, so, it be mainly responsible for electric automobile distribute under group, grant a certificate.
Charging station is the next stage of local polymerizer, as the interface of electric automobile access electrical network.Between electric automobile and charging station, carry out information and the energy mutual, and charging station and local polymerizer maintain revocable list jointly.
With reference to accompanying drawing 1, performing step of the present invention is as follows.
Step 1, request access electrical network.
User, by the true identity of user's true identity and plan networking electric automobile licence plate, sends to respectively central polymerizer to register, and central polymerizer is that the electric automobile of intending networking is issued identity card, and identity card is recorded in the database of central polymerizer.
Networking solicited message is issued central polymerizer by the electric automobile of intending networking, and this solicited message is by the result of the public key encryption of the central polymerizer of the identity card of electric automobile.
Step 2, issue licenses book.
Central authorities' polymerizer is received after solicited message, with its private key deciphering, obtains the identity card of electric automobile.Then, central authorities' polymerizer is searched its database and whether is stored the electric automobile identity card that this plan networks, if storage, but not yet issue network access license book, the private key of central polymerizer utilization oneself is signed the identity of electric automobile and PKI to obtain network access license book, and this license passport is presented to the electric automobile that this plan networks; If storage, does not perform step 1.
Step 3, request adds region.
Electric automobile will intend adding the solicited message in region, send to local polymerizer, this solicited message is the result of wanting the PKI of the local polymerizer of network access license book that the charging station adding, central polymerizer issue to electric automobile to be encrypted the identity of the PKI of the identity of electric automobile, electric automobile, central polymerizer, electric automobile.
Step 4, whether authentication certificate is legal.
The first step, local polymerizer utilizes central polymerizer PKI, and in accordance with the following steps, whether checking network access license book is legal, if network access license book is illegal, performs step 1; Otherwise, the first step of execution step 4.
Local polymerizer receives after the request message that electric automobile sends, decipher this request message with the private key of local polymerizer, obtain the network access license book that the identity of electric automobile, the PKI of electric automobile, the identity of central polymerizer, electric automobile want the charging station adding, central polymerizer to issue to electric automobile.
Local polymerizer, according to the identity of central polymerizer, is searched list of public keys, obtains the PKI of this central authorities' polymerizer.
Local polymerizer utilizes the PKI of central polymerizer, verifies whether the signature of central polymerizer is set up, if set up, illustrates that network access license book is legal; Otherwise, illustrate that network access license book is illegal.
Second step, whether the time that network access license book is received in the checking of local polymerizer within validity date, if exceeded validity date, perform step 1, otherwise execution step 5.
Step 5, sets up swarm parameter grant a certificate.
The first step, local polymerizer is wanted the charging station adding according to electric automobile, for it distributes affiliated group, and affiliated group's related news are sent to electric automobile.
Second step, electric automobile according to the following formula, calculates an electric automobile numbering, and this electric automobile numbering is issued to local polymerizer:
X=g
x
Wherein, X represents the numbering of electric automobile, and x represents group's private key of electric automobile, and g represents the generator of crowd G.
The 3rd step, local polymerizer receives the electric automobile numbering of sending from electric automobile, checks in the record sheet in current database whether comprise this electric automobile numbering, if comprise, performs step 5 second step; If do not comprise, distribute a charge position and corresponding charge position identifier to electric automobile, and in its database, record this numbering.
The 4th step, local polymerizer with own private key the numbering to electric automobile and PKI sign and obtain electric automobile and access the signing certificate of charging station, and this signing certificate is issued to electric automobile, this signing certificate term of validity is shorter, is generally one day.
The 5th step, electric automobile according to the following formula, obtains group members certificate:
C＝(I,X,num,σ)
Wherein, C represents group members certificate; I represents charging electric vehicle location identifier; X represents the numbering of electric automobile; num represents the path code of electric automobile, the structural defence type signature that the path code of the numbering of the system private key that σ represents local polymerizer structural defence type signature to electric automobile and electric automobile carries out.
Step 6, request access charging station.
Electric automobile will be intended the request message of access charging station, send to charging station, this request message is the result that the private key of grant a certificate charging station that the identity of the PKI of the numbering of electric automobile, electric automobile, local polymerizer, local polymerizer are issued to electric automobile is encrypted.
Step 7, whether checking allows electric automobile access.
The first step, the PKI of local polymerizer for charging station, in accordance with the following steps, the legitimacy of checking electric automobile signing certificate, if signing certificate is illegal, performs step 5, otherwise the second step of execution step 7.
Charging station receives after the request message that electric automobile sends, and deciphers this request message with the private key of charging station, obtains the grant a certificate that the identity of the numbering of electric automobile, the PKI of electric automobile, local polymerizer, local polymerizer are issued to electric automobile.
Charging station, according to the identity of local polymerizer, is searched list of public keys, obtains the PKI of this this locality polymerizer.
Charging station utilizes the PKI of local polymerizer, verifies whether the signature of local polymerizer is set up, if set up, illustrates that grant a certificate is legal; Otherwise, illustrate that grant a certificate is illegal.
Second step, whether the time that signing certificate is received in charging station checking within the validity date of signing certificate, if exceed validity date, perform step 5, otherwise execution step 8.
Step 8, distributes charging socket.
Charging station distributes a charging socket that reality is available to electric automobile.
Step 9, information and the energy are mutual.
The first step, carries out key agreement with charging station after electric automobile access charging station, negotiates a session key.
Second step, adopts respectively subset division method and vectorial promise method, and electric automobile proves it oneself is legal group members anonymously to charging station.
The 3rd step, group's private key used for electric vehicle, signs to the charging solicitation message of oneself, and signature result is sent to charging station, and endorsement method used herein is voidable group's signature.
The 4th step, charging station is received the message of sending from electric automobile, with group's PKI, signature is verified, if be verified, charging station is according to application and electrical network demand, charging station and electric automobile carry out the mutual of the energy and information; Otherwise, the 5th step of execution step 9.
The 5th step, group's signature information that charging station is sent electric automobile is issued local polymerizer.
The 6th step, local polymerizer receives the signature information of sending from charging station, adopts group members method for tracing, in accordance with the following steps, the electric automobile that sends error message is followed the trail of, and given certain punishment.
Local polymerizer utilization group signature is opened private key, obtains an electric automobile numbering.
The relevant information record of consulting the electric automobile that has this numbering in the database of local polymerizer, sends to central polymerizer by the relevant information of the electric automobile of this numbering.
The electric automobile relevant information that central authorities' polymerizer sends according to received local polymerizer is found the true identity of electric automobile, and is given certain punishment in database.
Claims (7)
1. charging station, to the anonymous group of electric automobile authentication method, comprises the following steps:
(1) request access electrical network:
(1a) user is by the true identity of user's true identity and plan networking electric automobile licence plate, send to respectively central polymerizer to register, central authorities' polymerizer is that the electric automobile of intending networking is issued identity card, and identity card is recorded in the database of central polymerizer;
(1b) networking solicited message is issued central polymerizer by the electric automobile of intending networking, request access charging station;
(2) issue licenses book:
Central authorities' polymerizer is searched its database and whether is stored the electric automobile identity card that this plan networks, if storage, but not yet issue network access license book, the private key of central polymerizer utilization oneself is signed the identity of electric automobile and PKI to generate network access license book, and this license passport is presented to the electric automobile that this plan networks; If not storage, execution step (1);
(3) request adds region:
Electric automobile, by intending adding the solicited message in region, sends to local polymerizer;
(4) whether authentication certificate is legal:
(4a) local polymerizer utilizes central polymerizer PKI, and whether checking network access license book is legal, if network access license book is illegal, and execution step (1); Otherwise, execution step (4b);
(4b) time that network access license book is received in the checking of local polymerizer whether within validity date, if exceeded validity date, execution step (1), otherwise execution step (5);
(5) set up swarm parameter grant a certificate:
(5a) local polymerizer allows to add charging station place group's message to send to electric automobile electric automobile;
(5b) electric automobile, according to numbering generation method, generates an electric automobile numbering, and this electric automobile numbering is issued to local polymerizer;
(5c) local polymerizer receives the electric automobile numbering of sending from electric automobile, checks in the record sheet in current database whether comprise this electric automobile numbering, if comprise, and execution step (5b); Otherwise, distribute a charge position and corresponding charge position identifier to electric automobile;
(5d) signing certificate of affiliated group's related news and access charging station is issued electric automobile by local polymerizer;
(5e) electric automobile according to the following formula, generated group member certificate:
C＝(I,X,num,σ)
Wherein, C represents group members certificate, I represents charging electric vehicle location identifier, X represents the numbering of electric automobile, num represents the path code of electric automobile, the structural defence type signature that the path code of the numbering of the system private key that σ represents local polymerizer structural defence type signature to electric automobile and electric automobile carries out;
(6) request access charging station:
Electric automobile, by intending the request message of access charging station, sends to charging station;
(7) whether checking allows electric automobile access:
(7a) PKI of local polymerizer for charging station, the legitimacy of checking electric automobile signing certificate, if signing certificate is illegal, execution step (5), otherwise execution step (7b);
(7b) time that signing certificate is received in charging station checking whether within the validity date of signing certificate, if exceed validity date, execution step (5), otherwise execution step (8);
(8) charging station distributes a charging socket that reality is available to electric automobile;
(9) information and the energy are mutual:
(9a) after electric automobile access charging station, carry out key agreement with charging station, negotiate a session key;
(9b) electric automobile, respectively by subset division method and vectorial promise method, proves it oneself is legal group members;
(9c) group's private key used for electric vehicle, signs to the solicitation message of oneself, and signature result is sent to charging station;
(9d) charging station is received the message of sending from electric automobile, with group's PKI, signature is verified, if be verified, charging station is according to application and electrical network demand, and charging station and electric automobile carry out the mutual of the energy and information; Otherwise, execution step (9e);
(9e) group's signature information that charging station is sent electric automobile is issued local polymerizer;
(9f) local polymerizer receives the signature information of sending from charging station, according to group members method for tracing, the electric automobile that sends error message is followed the trail of.
2. charging station according to claim 1, to the anonymous group of electric automobile authentication method, is characterized in that, whether the described checking network access license book of step (4a) is legal, carries out as follows:
The first step, local polymerizer receives after the request message that electric automobile sends, decipher this request message with the private key of local polymerizer, obtain the identity of electric automobile, the PKI of electric automobile, the identity of central polymerizer, electric automobile and want the charging station adding, the network access license book that central polymerizer is issued to electric automobile;
Second step, local polymerizer, according to the identity of central polymerizer, is searched list of public keys, obtains the PKI of this central authorities' polymerizer;
The 3rd step, local polymerizer utilizes the PKI of central polymerizer, verifies whether the signature of central polymerizer is set up, if set up, illustrates that network access license book is legal; Otherwise, illustrate that network access license is illegal.
3. charging station according to claim 1, to the anonymous group of electric automobile authentication method, is characterized in that, the described numbering generation method of step (5b) refers to, obtains according to the following formula electric automobile numbering:
X=g
x
Wherein, X represents the numbering of electric automobile, and x represents group's private key of electric automobile, and g represents the generator of crowd G.
4. the anonymous group authentication method of charging station according to claim 1 to electric automobile, is characterized in that, whether the described certifying signature certificate of step (7a) is legal, carries out as follows:
The first step, charging station receives after the request message that electric automobile sends, decipher this request message with the private key of charging station, obtain the grant a certificate that the identity of the numbering of electric automobile, the PKI of electric automobile, local polymerizer, local polymerizer are issued to electric automobile;
Second step, charging station, according to the identity of local polymerizer, is searched list of public keys, obtains the PKI of this this locality polymerizer;
The 3rd step, charging station utilizes the PKI of local polymerizer, verifies whether the signature of local polymerizer is set up, if set up, illustrates that grant a certificate is legal; Otherwise, illustrate that grant a certificate is illegal.
5. charging station according to claim 1, to the anonymous group of electric automobile authentication method, is characterized in that the subset division method that step (9b) is described is carried out as follows:
The first step, local polymerizer will not cancelled group members and will be divided into several disjoint set;
Second step, local polymerizer is encoded disjoint set, obtains not cancelling the path code of group members.
6. charging station according to claim 1, to the anonymous group of electric automobile authentication method, is characterized in that the vector promise method that step (9b) is described is carried out as follows:
The first step, electric automobile, to proving it oneself is that the message vector of validated user is made after promise, is issued charging station by commitment value;
Second step, charging station utilization vector promise key is opened promise, obtains message vector.
7. charging station according to claim 1, to the anonymous group of electric automobile authentication method, is characterized in that the group members method for tracing that step (9f) is described carries out as follows:
The first step, local polymerizer utilization group signature is opened private key, obtains an electric automobile numbering;
Second step is consulted the relevant information record of the electric automobile that has this numbering in the database of local polymerizer, and the relevant information of the electric automobile of this numbering is sent to central polymerizer;
The 3rd step, central polymerizer, according to the electric automobile relevant information of received local polymerizer transmission, is found the true identity of electric automobile in database.
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104574676A (en) * | 2015-01-23 | 2015-04-29 | 北京国网普瑞特高压输电技术有限公司 | Electric automobile charging management method based on mobile terminal |
| CN105450623A (en) * | 2014-11-26 | 2016-03-30 | 国家电网公司 | Access authentication method of electric automobile |
| CN109743172A (en) * | 2018-12-06 | 2019-05-10 | 国网山东省电力公司电力科学研究院 | Based on alliance's block chain V2G network cross-domain authentication method, information data processing terminal |
| CN110190958A (en) * | 2019-05-30 | 2019-08-30 | 北京百度网讯科技有限公司 | A kind of auth method of vehicle, device, electronic equipment and storage medium |
| CN110381145A (en) * | 2019-07-22 | 2019-10-25 | 长沙理工大学 | Exchange method and system between electric car and power grid |
| CN110769379A (en) * | 2019-10-31 | 2020-02-07 | 长安大学 | Message reporting method for forward security and privacy preservation in V2G environment |
| CN111382460A (en) * | 2020-03-26 | 2020-07-07 | 国网电子商务有限公司 | Data processing method and system applied to communication of Internet of things |
| WO2020197741A1 (en) * | 2019-03-25 | 2020-10-01 | Micron Technology, Inc. | Electric vehicle charging station system |
| CN111865602A (en) * | 2020-06-04 | 2020-10-30 | 北京科东电力控制系统有限责任公司 | Multi-party authentication method and system for heterogeneous terminal of intelligent energy service system |
| CN112019549A (en) * | 2020-08-28 | 2020-12-01 | 长沙理工大学 | Electric power transaction system based on block chain, transaction method and bill query method |
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| CN113114630A (en) * | 2021-03-22 | 2021-07-13 | 重庆邮电大学 | Authentication method and system for dynamic wireless charging privacy protection of electric vehicle |
| CN113492705A (en) * | 2021-07-14 | 2021-10-12 | 福建星云电子股份有限公司 | Noninductive charging method for charging pile |
| CN113924749A (en) * | 2019-04-29 | 2022-01-11 | 现代自动车株式会社 | Cross-certification method and device for electric vehicle charging |
| CN117118635A (en) * | 2023-10-16 | 2023-11-24 | 南方电网科学研究院有限责任公司 | Anonymous authentication method and device for electric automobile, storage medium and computer equipment |
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| CN105450623A (en) * | 2014-11-26 | 2016-03-30 | 国家电网公司 | Access authentication method of electric automobile |
| CN105450623B (en) * | 2014-11-26 | 2018-12-18 | 国家电网公司 | A kind of access authentication method of electric car |
| CN104574676A (en) * | 2015-01-23 | 2015-04-29 | 北京国网普瑞特高压输电技术有限公司 | Electric automobile charging management method based on mobile terminal |
| CN109743172A (en) * | 2018-12-06 | 2019-05-10 | 国网山东省电力公司电力科学研究院 | Based on alliance's block chain V2G network cross-domain authentication method, information data processing terminal |
| CN109743172B (en) * | 2018-12-06 | 2021-10-15 | 国网山东省电力公司电力科学研究院 | Cross-domain network authentication method based on alliance block chain V2G and information data processing terminal |
| US11046201B2 (en) | 2019-03-25 | 2021-06-29 | Micron Technology, Inc. | Electric vehicle charging station system |
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| CN113924749A (en) * | 2019-04-29 | 2022-01-11 | 现代自动车株式会社 | Cross-certification method and device for electric vehicle charging |
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| CN110381145A (en) * | 2019-07-22 | 2019-10-25 | 长沙理工大学 | Exchange method and system between electric car and power grid |
| CN112689981A (en) * | 2019-08-19 | 2021-04-20 | 华为技术有限公司 | Communication authentication system and method between vehicle, charging station, and charging station management server |
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| CN111865602B (en) * | 2020-06-04 | 2023-04-25 | 北京科东电力控制系统有限责任公司 | Intelligent energy service system heterogeneous terminal multiparty authentication method and system |
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| CN112019549A (en) * | 2020-08-28 | 2020-12-01 | 长沙理工大学 | Electric power transaction system based on block chain, transaction method and bill query method |
| CN113114630A (en) * | 2021-03-22 | 2021-07-13 | 重庆邮电大学 | Authentication method and system for dynamic wireless charging privacy protection of electric vehicle |
| CN113114630B (en) * | 2021-03-22 | 2022-04-15 | 重庆邮电大学 | Authentication method and system for dynamic wireless charging privacy protection of electric vehicle |
| CN113492705A (en) * | 2021-07-14 | 2021-10-12 | 福建星云电子股份有限公司 | Noninductive charging method for charging pile |
| CN113492705B (en) * | 2021-07-14 | 2023-01-10 | 福建星云电子股份有限公司 | Noninductive charging method for charging pile |
| CN117118635A (en) * | 2023-10-16 | 2023-11-24 | 南方电网科学研究院有限责任公司 | Anonymous authentication method and device for electric automobile, storage medium and computer equipment |
| CN117118635B (en) * | 2023-10-16 | 2024-02-02 | 南方电网科学研究院有限责任公司 | Anonymous authentication method and device for electric automobile, storage medium and computer equipment |
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