CN111526511A - Charging pile and charging vehicle identity verification method based on random code decoding - Google Patents
Charging pile and charging vehicle identity verification method based on random code decoding Download PDFInfo
- Publication number
- CN111526511A CN111526511A CN202010410422.1A CN202010410422A CN111526511A CN 111526511 A CN111526511 A CN 111526511A CN 202010410422 A CN202010410422 A CN 202010410422A CN 111526511 A CN111526511 A CN 111526511A
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- Prior art keywords
- charging
- random code
- vehicle
- charging pile
- management system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/40—Security arrangements using identity modules
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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
- H04L63/0869—Network architectures or network communication protocols for network security for authentication of entities for achieving mutual authentication
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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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a charging pile and charging vehicle identity verification method based on random code decoding, wherein the charging pile and a vehicle are bound through a management system, a charging password is set in the management system, and the password is sent and written into the corresponding charging pile and the corresponding vehicle; when the charging gun is connected with a charging socket of a vehicle, the charging pile generates an original random code, encrypts the original random code through a charging password, fills the encrypted random code in a reserved position of a charging protocol, and sends the charging protocol filled with the random code to a battery management system of the vehicle; the battery management system decrypts the random code according to a preset charging password and sends a decryption result to the charging pile; and the charging pile compares the decryption result with the original random code generated by the charging pile, if the decryption result is consistent with the original random code, the verification is passed, the charging can be carried out, and if the verification is not passed, the charging is not carried out. The invention is safe and reliable, can realize plug-and-play charging without manual operation.
Description
Technical Field
The invention relates to a charging pile based on random code decoding and a charging vehicle identity verification method, and belongs to the technical field of charging of new energy electric vehicles.
Background
Need carry out authentication when filling electric pile privately lies in the vehicle connection, avoid non-car owner's vehicle to occupy and fill electric pile. The existing charging pile adopts identity recognition functions including the following functions of Bluetooth authentication, card swiping authentication and wireless communication authentication. These authentication methods have the defects of long time consumption in the authentication process and complicated user operation. The Bluetooth authentication requires a user to start a Bluetooth device, search and connect, the distance of Bluetooth transmission is relatively short, and the matching speed is low; the card swiping operation is relatively original, and the hidden danger of card loss also exists; wireless communication authentication is not yet developed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a charging pile and a charging vehicle identity verification method based on random code decoding, and the problem that identity recognition operation is too complicated in the prior art is solved.
In order to achieve the above object, the present invention adopts the following technical solutions:
the charging pile and charging vehicle identity verification method based on random code decoding works according to the following steps:
the charging pile and the vehicle are bound through a management system, a charging password is set in the management system, and the password is sent and written into the corresponding charging pile and the vehicle;
when the charging gun is connected with a charging socket of a vehicle, the charging pile generates an original random code, and the original random code is encrypted through a charging password;
the charging pile fills the encrypted random code in a reserved bit of a charging protocol, and sends the charging protocol filled with the encrypted random code to a battery management system of the vehicle;
the battery management system decrypts the encrypted random code according to a preset charging password and sends a decryption result to the charging pile;
and the charging pile compares the decryption result with the original random code generated by the charging pile, if the decryption result is consistent with the original random code, the verification is passed, the charging can be carried out, and if the verification is not passed, the charging is not carried out.
As a preferred scheme of the present invention, in the charging pile and the charging vehicle identity authentication method based on random code decoding, SIM cards are respectively installed in the charging pile and the vehicle.
As a preferred scheme of the present invention, in the charging pile and charging vehicle identity authentication method based on random code decoding, the binding stage of the charging pile SIM card and the vehicle SIM card includes before-sale or after-sale of the vehicle.
As a preferred scheme of the present invention, in the method for authenticating the charging pile and the charging vehicle based on the random code decoding, when the charging pile and the charging vehicle are bound, the management system writes the password into the corresponding vehicle battery management system and the charging pile simultaneously through the wireless communication network link and the wireless network communication modules arranged on the vehicle and the charging pile.
As a preferred embodiment of the present invention, in the charging pile and the charging vehicle authentication method based on random code decoding, when the management system sets the charging password, the relationship between the vehicle and the charging pile is further defined.
As an optimal scheme of the invention, in the charging pile and charging vehicle identity verification method based on random code decoding, the charging pile and the battery management system share a set of encryption and decryption scheme.
As a preferred scheme of the present invention, in the charging pile and the charging vehicle identity verification method based on random code decoding, a charging protocol filled with encrypted random codes is sent to a battery management system of a vehicle through a charging cable.
The invention achieves the following beneficial effects:
compared with the prior art, the method and the device have the advantages that the original random code is encrypted through the charging password, the encrypted random code is filled into the charging protocol to be provided with the reserved bit, when the filled charging protocol is sent to the battery management system of the vehicle, the battery management system of the vehicle decrypts the encrypted random code according to the preset charging password and sends a decryption result to the charging pile, the charging pile compares the decryption result with the original random code generated by the charging pile, the identity verification can be safely and reliably realized through the mode, the plug-and-play charging can be realized, the authentication is automatically identified by the pile end without manual operation, the manual connection, the pairing and other operations are saved, the non-paired vehicle cannot be charged in the charging pile, and the benefit of a legal user is protected.
By adopting the technical scheme of the invention, a user can use the Bluetooth card without additionally carrying equipment such as Bluetooth, cards and the like.
Detailed Description
The invention is further described below. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The embodiment discloses a charging pile and charging vehicle identity verification method based on random code decoding, which works according to the following steps:
charging pile and vehicle are bound through the management system, a charging password is set in the management system, and the password is sent and written into corresponding charging pile and vehicle. When the management system sets the charging password, the relationship between the vehicle and the charging pile, such as the relationship between the vehicle owner and the renter, the borrowing relationship and the like, can be defined.
Charging pile and vehicle are both provided with built-in SIM cards, and the charging pile and the vehicle are communicated with a management system through the built-in SIM cards. Specifically, the SIM card is installed in a vehicle and a wireless network communication module of the charging pile, and the vehicle wireless network communication module is connected with the management system through a wireless communication network link when being bound with the wireless network communication module of the charging pile.
The binding stage of the charging pile SIM card and the vehicle SIM card comprises the vehicle before sale or the vehicle after sale.
When a user charges, the charging gun is connected with a charging socket of a vehicle, after the charging gun is connected with the charging socket, the charging pile generates an original random code, the original random code is encrypted through a charging password, a battery management system of the vehicle has a charging protocol, and the charging protocol is provided with a reserved bit. And the charging pile fills the encrypted random code in the reserved bit of the charging protocol and sends the charging protocol filled with the encrypted random code to a battery management system of the vehicle. The battery management system decrypts the encrypted random code according to a preset charging password and sends a decryption result to the charging pile; the charging pile compares the decryption result with an original random code generated by the charging pile, if the decryption result is consistent with the original random code, the verification is passed, and the interaction is allowed to continue and the charging is established; if not, the verification is failed, the charging is not carried out, and the communication is terminated.
In the process, the charging pile and the battery management system share one set of encryption and decryption scheme for encrypting and decrypting the identification codes in the messages. After the charging pile is connected with the vehicle through the charging cable, the charging protocol of the random code after encryption is filled, and the decryption of the random code is transmitted and communicated through the charging cable.
Compared with the prior art, the method and the device have the advantages that the original random code is encrypted through the charging password, the encrypted random code is filled into the charging protocol to be provided with the reserved bit, when the filled charging protocol is sent to the battery management system of the vehicle, the battery management system of the vehicle decrypts the encrypted random code according to the preset charging password and sends a decryption result to the charging pile, the charging pile compares the decryption result with the original random code generated by the charging pile, the identity verification can be safely and reliably realized through the mode, the plug-and-play charging can be realized, the authentication is automatically identified by the pile end without manual operation, the manual connection, the pairing and other operations are saved, the non-paired vehicle cannot be charged in the charging pile, and the benefit of a legal user is protected.
By adopting the technical scheme of the invention, a user can use the Bluetooth card without additionally carrying equipment such as Bluetooth, cards and the like.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The charging pile and charging vehicle identity verification method based on random code decoding is characterized by comprising the following steps of:
the charging pile and the vehicle are bound through a management system, a charging password is set in the management system, and the password is sent and written into the corresponding charging pile and the vehicle;
when the charging gun is connected with a charging socket of a vehicle, the charging pile generates an original random code, and encrypts the original random code through a charging password,
the charging pile fills the encrypted random code in a reserved bit of a charging protocol, and sends the charging protocol filled with the encrypted random code to a battery management system of the vehicle;
the battery management system decrypts the encrypted random code according to a preset charging password and sends a decryption result to the charging pile;
and the charging pile compares the decryption result with the original random code generated by the charging pile, if the decryption result is consistent with the original random code, the verification is passed, the charging can be carried out, and if the verification is not passed, the charging is not carried out.
2. The charging pile and charging vehicle identity verification method based on random code decoding as claimed in claim 1, wherein SIM cards are built in the charging pile and the vehicle.
3. The charging post and charging vehicle identity verification method based on random code decoding as claimed in claim 2, wherein the binding stage of the charging post SIM card and the vehicle SIM card comprises vehicle pre-sale or vehicle post-sale.
4. The charging pile and charging vehicle identity authentication method based on random code decoding as claimed in claim 1, wherein when binding, the management system writes the password into the corresponding vehicle battery management system and charging pile simultaneously through the wireless communication network link and the wireless network communication modules arranged on the vehicle and the charging pile.
5. The charging pile and charging vehicle identity authentication method based on random code decoding as claimed in claim 1, wherein when the management system sets the charging password, the relationship between the vehicle and the charging pile is further defined.
6. The charging pile and charging vehicle identity authentication method based on random code decoding as claimed in claim 1, wherein the charging pile and the battery management system share a set of encryption and decryption schemes.
7. The charging pile and charging vehicle identity verification method based on random code decoding as claimed in claim 1, wherein the charging protocol filled with the encrypted random code is transmitted to a battery management system of the vehicle through a charging cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010410422.1A CN111526511B (en) | 2020-05-15 | 2020-05-15 | Charging pile and charging vehicle identity verification method based on random code decoding |
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| CN202010410422.1A CN111526511B (en) | 2020-05-15 | 2020-05-15 | Charging pile and charging vehicle identity verification method based on random code decoding |
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| CN111526511A true CN111526511A (en) | 2020-08-11 |
| CN111526511B CN111526511B (en) | 2023-09-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113665401A (en) * | 2021-07-27 | 2021-11-19 | 国创移动能源创新中心(江苏)有限公司 | Direct current charging method and system for electric automobile |
| CN113954681A (en) * | 2021-08-25 | 2022-01-21 | 优华劳斯汽车设计(上海)有限公司 | Plug-and-charge function authentication system and control method for electric vehicle |
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| CN111526511B (en) | 2023-09-19 |
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