CN110866412A - Parking authentication system and method based on RFID (radio frequency identification) tag and vehicle-mounted card reader - Google Patents
Parking authentication system and method based on RFID (radio frequency identification) tag and vehicle-mounted card reader Download PDFInfo
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Abstract
The invention discloses a parking authentication system and method based on an RFID label and a vehicle-mounted card reader, wherein the system comprises: the parking space RFID tag is installed at a place corresponding to a parking space, the vehicle-mounted card reader is installed on a vehicle, the APP module performs bidirectional authentication with the vehicle-mounted card reader, the APP module performs bidirectional authentication and encrypted communication with the central management system, and the APP module acquires parking conditions from the vehicle-mounted card reader and feeds information back to the central management system; the central management system receives parking time and state information and corresponding vehicle identification information and parking space identification information from the APP module, so that the occupation condition of a parking space is obtained, and the vehicle can accurately identify the parking space and park and related services by arranging a power supply or a power-free RFID tag in the parking space and arranging a power supply RFID card reader in the vehicle.
Description
Technical Field
The invention belongs to the field of parking intellectualization, and particularly relates to a system and a method for parking authentication based on an RFID (radio frequency identification) tag and a vehicle-mounted card reader.
Background
With the development of the modern industrial society, private vehicles are also more and more popular. Too many vehicles in the city are and will continue to cause parking difficulties. The parking space proportion of some cities or regions is seriously low, so that the problem of difficult parking is often the first problem in driving and traveling. The problem of difficult parking also increases the time of vehicles on the road, and traffic jam is aggravated. On the other hand, however, the problem of too high parking space rate also occurs in a large number of cities and regions, which results in wasting resources of both parties.
The technology of induction parking can effectively reduce the time spent by a driver when parking, can be directly butted with a comprehensive management system of a traffic and parking lot, provides automatic service and provides support for application of shared automobiles and unmanned automobiles.
In the application number: CN201410713909.1, having an application date of 20141202, with the name: the patent of a parking lot vehicle searching system based on RFID discloses a parking lot vehicle searching system based on RFID, which comprises a camera module, an RFID card issuing module, a parking space sensing module, an RFID reader-writer, an RFID positioning module, a vehicle searching module and a control module, wherein the camera module is used for shooting a license plate of a vehicle running into a parking lot; the RFID card issuing module is used for issuing RFID label cards to vehicles entering the parking lot, and the cards store the time of the vehicles entering the parking lot and the license plate numbers of the vehicles; the parking place sensing module comprises vehicle sensors which are correspondingly arranged on each parking place one by one; the RFID reader-writer is used for acquiring information of each RFID label card; the RFID positioning module is used for calculating the position of each RFID tag card in the parking lot according to the information of the RFID tag card; the control module is used for recording the parking position data and searching the parking position according to the input information of the vehicle searching module. The invention can realize the bidirectional authentication and encryption communication among vehicles, parking space information and management systems.
Disclosure of Invention
The invention aims to provide a system and a method for parking authentication based on an RFID label and a vehicle-mounted card reader. The vehicle can accurately identify the parking space and park and related services by arranging the power supply or the RFID label without the power supply in the parking space and arranging the RFID card reader with the power supply in the vehicle.
The purpose of the invention can be realized by the following technical scheme:
parking authentication system based on RFID label and on-vehicle card reader includes: the parking lot management system comprises a parking lot RFID tag, a vehicle-mounted card reader, an APP module and a central management system;
the parking space RFID tag is arranged at a place corresponding to a parking space, and is arranged on the ground of the parking space, the ground or a ceiling right above the ground;
the vehicle-mounted card reader is arranged on a vehicle, the card reader is arranged in the vehicle, on the roof or at the bottom of the vehicle, and the vehicle-mounted card reader identifies the parking space RFID label and performs bidirectional authentication with the parking space RFID label;
the APP module is a vehicle or individual APP, the APP has a unique identifier, the vehicle or individual APP performs bidirectional authentication with a vehicle-mounted card reader, the vehicle or individual APP performs bidirectional authentication and encrypted communication with a central management system, and the vehicle or individual APP obtains parking conditions from the vehicle-mounted card reader and feeds information back to the central management system;
the central management system receives parking time and state information and corresponding vehicle identification information and parking space identification information from a vehicle or a personal APP, and therefore the occupation condition of the parking space is obtained.
Preferably, the parking space RFID tags correspond to the parking spaces one by one and have unique identifiers.
Preferably, the vehicle-mounted card reader has a unique identifier.
Preferably, the APP module and the vehicle-mounted card reader communicate by any wireless communication method, and the wireless communication method comprises Bluetooth and wifi.
The parking authentication method based on the RFID label and the vehicle-mounted card reader comprises the following steps:
s1: arranging an RFID label on each parking space in the system and distributing a unique identification ID, meanwhile, installing a vehicle-mounted card reader on each vehicle in the system and distributing a unique identification ID, and distributing a unique identification ID to the registered APP;
s2, the registered APP and the vehicle with the card reader exchange IDs, one-time interaction process is carried out to realize bidirectional authentication, whether the identity of the other party is legal is confirmed, and exchange negotiation of a process key is simultaneously finished, when authentication is carried out, an APP holder selects a long-term binding mode or a short-term binding mode according to a use scene and needs, if long-term binding is selected, authentication is finished by using the ID of the registered APP, long-term binding is carried out, if short-term binding is selected, a temporary ID, an identification instruction and time information are issued to the APP through a server, the APP adopts the temporary ID to carry out bidirectional authentication with the vehicle-mounted card reader, and before each parking process, the binding between the vehicle-mounted card reader and the APP needs to be finished;
s3, when the vehicle needs to park, the driver obtains the state information of the parking space from the central management system through the registered APP, in each parking process, the vehicle-mounted card reader identifies the RFID label of the corresponding parking space, exchanges the ID with the RFID label, carries out one-time interaction process to realize bidirectional authentication, confirms whether the identity of the opposite side is legal, and simultaneously completes the exchange negotiation of the process key;
s4: after the vehicle-mounted card reader and the parking space successfully complete the bidirectional authentication, the vehicle-mounted card reader communicates with the parking space tag, whether the vehicle successfully and accurately stops at the parking space is judged through a built-in algorithm, and if not, position information is fed back to the bound APP until the fact that the vehicle is aligned with the parking position is confirmed;
s5, after the vehicle stops, the vehicle-mounted card reader encrypts and transmits the time information, the vehicle-mounted card reader identification ID and the parking space identification ID information to the APP;
s6, after the APP receives the time information, the vehicle-mounted card reader identification ID and the parking space identification ID encryption information, the APP judges whether the parking is a fixed parking space parking according to the vehicle-mounted card reader ID, the parking space identification ID and the stored parking space system information, if the parking is the fixed parking space parking, the APP records the time information and periodically transmits information with a central management system in an interactive mode, if the parking is not the fixed parking space parking, bidirectional authentication is carried out on the APP and the central management system after each parking, and after the authentication is successful, the information such as the time information, the vehicle identification ID, the parking space identification ID and the APP identification ID is encrypted and transmitted to the central management system;
and S7, after receiving the encrypted information sent by the APP, the central management system decrypts the encrypted information to obtain related information, records the related information and updates the parking space state information in the system.
Preferably, the bidirectional authentication and key exchange process between the APP and the vehicle-mounted card reader in step S2 includes:
s2-1: the APP generates an 8-byte random number R1, acquires an identification ID1 or a temporary identification ID01 of the APP, calculates a signature C1 to the R1, S1, and sends the signature C1 and the S1 to the vehicle-mounted card reader through an authentication and key exchange command, wherein necessary parameters of the command are ID1, ID01, R1, C1 and S1;
s2-2: after receiving the authentication and key exchange command, the vehicle-mounted card reader firstly authenticates the validity of the ID1 through a blacklist or a whitelist and an ID rule or judges the validity of the ID01 according to an identification command and time information, then calculates and obtains a public key PUB1 of the APP through the ID1 or the ID01, checks the signature values C1 and S1, and if the signature passes, the APP is legal, and the following steps are carried out: the vehicle-mounted card reader generates a random number R2, a process key K1 is obtained through the XOR of R1 and R2, then the vehicle-mounted card reader obtains an identification ID2 of the vehicle-mounted card reader, a public key PUB1 is used for encrypting R2 to obtain an ENC2, then the ENC2 is signed to obtain C2 and S2, after the calculation is completed, the vehicle-mounted card reader finishes the processing process of the authentication and key exchange instruction, and returns ID2, ENC2, C2, S2 and response code data to the APP;
s2-3: after the APP receives the return, the legality of the ID2 is authenticated through a blacklist or a white list and an ID rule, the public key PUB2 of the APP is obtained through calculation of the ID2 after the APP passes the return, the APP uses the PUB2 to check the signature of the C2 and the S2, if the signature passes the check, the vehicle-mounted card reader is legal, and the following processes are carried out: the APP uses the private key of the APP to decrypt the ENC2, obtains the random number R2, and obtains the process key K1 through the XOR of R1 and R2, so that the APP and the vehicle-mounted card reader complete the authentication of the two parties and obtain the process key K1 to perform subsequent encrypted communication.
Preferably, the parking authentication method, wherein the bidirectional authentication and key exchange process between the vehicle-mounted card reader and the parking space RFID tag in step 3 includes:
s3-1: the vehicle-mounted card reader generates an 8-byte random number R3, acquires an identification ID3 of the vehicle-mounted card reader, calculates signatures C3 and S3 of R3, and sends the signatures C3 and S3 to the parking space RFID through an authentication and key exchange command, wherein necessary parameters of the command are ID3, R3, C3 and S3;
s3-2, after receiving the authentication and key exchange command, the parking space RFID firstly authenticates the legality of the ID3 through a blacklist or a white list and an ID rule, then a public key PUB3 of the vehicle-mounted card reader is obtained through calculation of the ID3, signature checking is carried out on signature values C3 and S3, if the signature checking is passed, the vehicle-mounted card reader is legal, and the following steps are carried out: the parking space RFID generates a random number R4, a process key K2 is obtained through the exclusive or of R3 and R4, then the parking space RFID obtains an identification ID4 of the parking space RFID, a public key PUB3 is used for encrypting R4 to obtain an ENC4, then an ENC4 is signed to obtain a C4S4, after the calculation is completed, the parking space RFID finishes the authentication and key exchange instruction processing process, and ID4, ENC4, C4, S4 and response code data are returned to the vehicle-mounted card reader;
s3-3, after the vehicle-mounted card reader receives the return, the legitimacy of the ID4 is authenticated through a blacklist or a white list and an ID rule, a public key PUB4 of the vehicle-mounted card reader is obtained through calculation of the ID4, the vehicle-mounted card reader uses the PUB4 to check the signature of the C4S4, if the signature passes, the parking space RFID is legal, and the following processes are carried out: the vehicle-mounted card reader decrypts the ENC4 by using a private key of the vehicle-mounted card reader, obtains the random number R4, and obtains the process key K2 through the XOR of R3 and R4, so that the vehicle-mounted card reader and the parking space RFID complete authentication of the two parties, obtain the process key K2, and perform subsequent encrypted communication.
Preferably, the parking authentication system adopts an identification authentication technology to realize authentication between the APP and the vehicle-mounted card reader and between the vehicle-mounted card reader and the parking space RFID tag.
The identification authentication technology is based on a CPK technology, a key pair is generated through a random matrix based on an ECC algorithm to perform encryption, decryption and signature verification operations, sub-domain division is realized on key management by adopting the CCKS technology, curves and domains of the CCKS are divided according to different requirements and scenes, and massive identification authentication is supported.
The invention has the beneficial effects that:
1. through the method disclosed by the patent, the parking space can be identified by the vehicle, and the parking space use information is efficiently collected so as to realize the management of the parking space. By the method disclosed by the patent, a manager and a user can find and identify the illegal parking condition in time, and the method is helpful for supervision and management of illegal parking.
2. The system and the method can provide service and manage for the unmanned vehicle and the shared vehicle, and meet the requirement of future development of the vehicle.
3. Different technical schemes can be provided according to different requirements such as short-term car renting and private car parking, fixed parking space parking and non-private parking space temporary parking, and decentralized authentication can be provided for the fixed parking space.
Drawings
Fig. 1 is a schematic structural diagram of a parking authentication system based on an RFID tag and a vehicle-mounted card reader. In the figure: 1-a central management system; 2-an APP module; 3-a vehicle-mounted card reader; 4-parking space RFID tag.
Detailed Description
The technical scheme of the invention is further described by combining the attached drawings:
the parking authentication system based on the RFID label and the vehicle-mounted card reader comprises: the parking lot management system comprises a parking lot RFID tag, a vehicle-mounted card reader, an APP module and a central management system;
and the parking space RFID tags are arranged at places corresponding to the parking spaces one by one. The place is a place where the parking space can be determined, such as a ceiling on the ground, under the ground or right above the ground of the parking space,
the parking space RFID tags correspond to the parking spaces one by one and have unique identification. The vehicle-mounted card reader is arranged on a vehicle and is arranged in the vehicle, on the roof or at the bottom of the vehicle to determine the position of the vehicle. The vehicle-mounted card reader has a unique identifier.
The vehicle-mounted card reader can identify the parking space RFID label and perform bidirectional authentication with the parking space RFID label.
The vehicle or personal APP has a unique identity. The vehicle or individual APP performs mutual authentication with a vehicle-mounted card reader. The vehicle or individual APP performs bi-directional authentication and encrypted communication with a central management system. The vehicle or individual APP may obtain parking conditions from the vehicle-mounted card reader and feed back information to the central management system.
The central management system receives parking time and state information and corresponding vehicle identification information and parking space identification information from a vehicle or a personal APP, and therefore the occupation condition of the parking space is obtained. A parking authentication method based on an RFID label and a vehicle-mounted card reader comprises the following steps:
1. an RFID tag is placed and assigned a unique identification ID for each parking space in the system. While a vehicle-mounted card reader is installed and assigned a unique identification ID for each vehicle in the system. Allocating a unique identification ID to the registered APP;
2. and the registered APP and a certain vehicle with a card reader exchange IDs, one-time interaction process is carried out to realize bidirectional authentication, whether the identity of the other party is legal is confirmed, and meanwhile, exchange negotiation of process keys is completed. When authentication is carried out, the APP holder selects a long-term binding mode or a short-term binding mode according to a use scene and requirements. If long-term binding is selected, authentication can be completed by using the ID of the registered APP, and long-term binding is performed. If short-term binding is selected, the temporary ID, the identification instruction and the time information are issued to the APP through the server, the APP performs bidirectional authentication through the temporary ID and the vehicle-mounted card reader, and the binding between the vehicle-mounted card reader and the APP needs to be completed before each parking process. The APP and the vehicle-mounted card reader communicate in any wireless communication method, including but not limited to Bluetooth, wifi and wireless communication methods which can be realized in the field or in the future;
3. when the vehicle needs to park, the driver can obtain parking space state information from the central management system through the registered APP. In each parking process, the vehicle-mounted card reader identifies the RFID label corresponding to the parking space, exchanges ID with the RFID label, realizes bidirectional authentication in one interactive process, confirms whether the identity of the other side is legal, and simultaneously completes exchange negotiation of process keys;
4. and after the vehicle-mounted card reader and the parking space successfully complete the bidirectional authentication, the vehicle-mounted card reader communicates with the parking space tag and judges whether the vehicle is successfully and accurately parked in the parking space or not through a built-in algorithm. If not, feeding back position information to the bound APP until the parking position is aligned;
5. after the vehicle finishes parking, the vehicle-mounted card reader encrypts and transmits information such as time information, vehicle-mounted card reader identification ID, parking space identification ID and the like to the APP;
6. and the APP receives encrypted information such as time information, vehicle-mounted card reader identification ID, parking space identification ID and the like. The APP can judge whether the vehicle is parked in a fixed parking space according to the ID of the vehicle-mounted card reader, the ID of the parking space and stored parking space system information. If the vehicle is parked in the fixed parking space, recording time information, and periodically and interactively transmitting the information with the central management system. If the parking in the fixed parking space is judged not to be performed, performing bidirectional authentication with the central management system after each parking, and after the authentication is successful, encrypting and transmitting information such as time information, a vehicle identification ID, a parking space identification ID and an identification ID of an APP to the central management system;
7. and after receiving the encrypted information sent by the APP, the central management system decrypts the encrypted information to obtain related information, records the related information and updates the parking space state information in the system.
Further, the bidirectional authentication and key exchange process between the APP and the vehicle-mounted card reader in step 2 includes:
2-1, APP generates an 8-byte random number R1, acquires own identification ID1 or temporary identification ID01, calculates a signature C1 to R1, S1, and sends the signature C1 and S1 to the vehicle-mounted card reader through an authentication and key exchange command, wherein necessary parameters of the command are ID1/ID01, R1, C1 and S1.
2-2, after receiving the authentication and key exchange command, the vehicle-mounted card reader firstly authenticates the legality of the ID1 through a blacklist (or a white list) and (or) an ID rule or judges the legality of the ID01 according to an identification command and time information, then calculates and obtains a public key PUB1 of the APP through the ID1/ID01, checks the signature value C1S1, and if the check passes, the APP is legal, so that the following steps can be carried out; the vehicle-mounted card reader generates a random number R2, a process key K1 is obtained through the XOR of R1 and R2, then the vehicle-mounted card reader obtains an identification ID2 of the vehicle-mounted card reader, a public key PUB1 is used for encrypting R2 to obtain an ENC2, then the ENC2 is signed to obtain a C2S2, after the calculation is completed, the vehicle-mounted card reader finishes the processing process of the authentication and key exchange instruction, and returns the following data to the APP: ID2, ENC2, C2, S2, and response code.
2-3, after receiving the return, the APP firstly authenticates the validity of the ID2 through a blacklist (or a whitelist) and (or) an ID rule, and then the public key PUB2 of the APP is obtained through calculation of the ID 2; the APP uses the PUB2 to check the signature of the C2S2, if the signature passes, the vehicle-mounted card reader is legal, and the following processes can be carried out; the APP decrypts the ENC2 using its own private key, obtains the random number R2, and obtains the procedure key K1 by XOR of R1 and R2. Therefore, the APP and the vehicle-mounted card reader complete authentication of both parties, obtain a process key K1 and can perform subsequent encrypted communication.
Further, the bidirectional authentication and key exchange process between the vehicle-mounted card reader and the parking space RFID tag in step 3 includes:
3-1, the vehicle-mounted card reader generates an 8-byte random number R3, acquires the identification ID3 of the vehicle-mounted card reader, calculates the signature C3S3 of R3, and sends the signature to the parking space RFID through an authentication and key exchange command, wherein the necessary parameters of the command are ID3, R3, C3 and S3.
3-2, after receiving the authentication and key exchange command, the parking space RFID firstly authenticates the legality of the ID3 through a blacklist (or a white list) and (or) an ID rule, then a public key PUB3 of the vehicle-mounted card reader is obtained through calculation of an ID3, a signature value C3S3 is checked, and if the signature passes, the vehicle-mounted card reader is legal, and the following steps can be carried out; the parking space RFID generates a random number R4, a process key K2 is obtained through the XOR of R3 and R4, then the parking space RFID obtains an identification ID4 of the parking space RFID, a public key PUB3 is used for encrypting R4 to obtain an ENC4, then an ENC4 is signed to obtain a C4S4, after the calculation is completed, the parking space RFID finishes the processing process of authentication and key exchange instructions, and the following data are returned to the vehicle-mounted card reader: ID4, ENC4, C4, S4, and response code.
3-3, after receiving the return, the vehicle-mounted card reader firstly authenticates the validity of the ID4 through a blacklist (or a white list) and (or) an ID rule, and then obtains a public key PUB4 of the vehicle-mounted card reader through calculation of an ID 4; the vehicle-mounted card reader uses the PUB4 to check the signature of the C4S4, if the signature passes, the RFID validity of the parking space is indicated, and the following processes can be carried out; the vehicle-mounted card reader decrypts the ENC4 by using the own private key, acquires the random number R4, and acquires the process key K2 by the exclusive OR of R3 and R4. Therefore, the vehicle-mounted card reader and the parking space RFID finish the authentication of the two parties, and a process key K2 is obtained, so that subsequent encrypted communication can be carried out.
A parking authentication system and method based on RFID and a vehicle-mounted device realize authentication between an APP and a vehicle-mounted card reader and between the vehicle-mounted card reader and a parking space RFID label by adopting an identification authentication technology. Wherein the identity authentication technique recommends a CCKS-based identity authentication technique.
The CCKS technology is based on the CPK technology, and the identification authentication technology is used for generating a key pair through a random matrix based on an ECC algorithm so as to carry out encryption and decryption and signature verification operation. By adopting the CCKS technology, sub-domain division can be realized on key management, curves and domains of the CCKS are divided according to different requirements and scenes, so that the generation, distribution and management of keys are more orderly, further large-scale authentication is realized, and massive identification authentication is supported. By adopting the CCKS technology, the copying prevention and the tampering prevention of identity authentication can be effectively realized, and safer and more effective management on drivers, vehicles and parking spaces is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention, and the appended claims are intended to cover such modifications and equivalents as fall within the true spirit and scope of the invention.
Claims (9)
1. Parking authentication system based on RFID label and on-vehicle card reader includes: the parking lot management system comprises a parking lot RFID tag, a vehicle-mounted card reader, an APP module and a central management system;
the method is characterized in that:
the parking space RFID tag is arranged at a place corresponding to a parking space, and is arranged on the ground of the parking space, the ground or a ceiling right above the ground;
the vehicle-mounted card reader is arranged on a vehicle, the card reader is arranged in the vehicle, on the roof or at the bottom of the vehicle, and the vehicle-mounted card reader identifies the parking space RFID label and performs bidirectional authentication with the parking space RFID label;
the APP module is a vehicle or individual APP, the APP has a unique identifier, the vehicle or individual APP performs bidirectional authentication with a vehicle-mounted card reader, the vehicle or individual APP performs bidirectional authentication and encrypted communication with a central management system, and the vehicle or individual APP obtains parking conditions from the vehicle-mounted card reader and feeds information back to the central management system;
the central management system receives parking time and state information and corresponding vehicle identification information and parking space identification information from a vehicle or a personal APP, and therefore the occupation condition of the parking space is obtained.
2. The parking authentication system of claim 1, wherein: the parking space RFID tags correspond to the parking spaces one by one and have unique identification.
3. The parking authentication system of claim 1, wherein: the vehicle-mounted card reader has a unique identifier.
4. The parking authentication system of claim 1, wherein: the APP module and the vehicle-mounted card reader communicate in any wireless communication method, and the wireless communication method comprises Bluetooth and wifi.
5. The parking authentication method based on the RFID label and the vehicle-mounted card reader is characterized in that:
the method comprises the following steps:
s1: arranging an RFID label on each parking space in the system and distributing a unique identification ID, meanwhile, installing a vehicle-mounted card reader on each vehicle in the system and distributing a unique identification ID, and distributing a unique identification ID to the registered APP;
s2, the registered APP and the vehicle with the card reader exchange IDs, one-time interaction process is carried out to realize bidirectional authentication, whether the identity of the other party is legal is confirmed, and exchange negotiation of a process key is simultaneously finished, when authentication is carried out, an APP holder selects a long-term binding mode or a short-term binding mode according to a use scene and needs, if long-term binding is selected, authentication is finished by using the ID of the registered APP, long-term binding is carried out, if short-term binding is selected, a temporary ID, an identification instruction and time information are issued to the APP through a server, the APP adopts the temporary ID to carry out bidirectional authentication with the vehicle-mounted card reader, and before each parking process, the binding between the vehicle-mounted card reader and the APP needs to be finished;
s3, when the vehicle needs to park, the driver obtains the state information of the parking space from the central management system through the registered APP, in each parking process, the vehicle-mounted card reader identifies the RFID label of the corresponding parking space, exchanges the ID with the RFID label, carries out one-time interaction process to realize bidirectional authentication, confirms whether the identity of the opposite side is legal, and simultaneously completes the exchange negotiation of the process key;
s4: after the vehicle-mounted card reader and the parking space successfully complete the bidirectional authentication, the vehicle-mounted card reader communicates with the parking space tag, whether the vehicle successfully and accurately stops at the parking space is judged through a built-in algorithm, and if not, position information is fed back to the bound APP until the fact that the vehicle is aligned with the parking position is confirmed;
s5, after the vehicle stops, the vehicle-mounted card reader encrypts and transmits the time information, the vehicle-mounted card reader identification ID and the parking space identification ID information to the APP;
s6, after the APP receives the time information, the vehicle-mounted card reader identification ID and the parking space identification ID encryption information, the APP judges whether the parking is a fixed parking space parking according to the vehicle-mounted card reader ID, the parking space identification ID and the stored parking space system information, if the parking is the fixed parking space parking, the APP records the time information and periodically transmits information with a central management system in an interactive mode, if the parking is not the fixed parking space parking, bidirectional authentication is carried out on the APP and the central management system after each parking, and after the authentication is successful, the information such as the time information, the vehicle identification ID, the parking space identification ID and the APP identification ID is encrypted and transmitted to the central management system;
and S7, after receiving the encrypted information sent by the APP, the central management system decrypts the encrypted information to obtain related information, records the related information and updates the parking space state information in the system.
6. The parking authentication method as recited in claim 5, wherein: the bidirectional authentication and key exchange process between the APP and the vehicle-mounted card reader in step S2 includes:
s2-1: the APP generates an 8-byte random number R1, acquires an identification ID1 or a temporary identification ID01 of the APP, calculates a signature C1 to the R1, S1, and sends the signature C1 and the S1 to the vehicle-mounted card reader through an authentication and key exchange command, wherein necessary parameters of the command are ID1, ID01, R1, C1 and S1;
s2-2: after receiving the authentication and key exchange command, the vehicle-mounted card reader firstly authenticates the validity of the ID1 through a blacklist or a whitelist and an ID rule or judges the validity of the ID01 according to an identification command and time information, then calculates and obtains a public key PUB1 of the APP through the ID1 or the ID01, checks the signature values C1 and S1, and if the signature passes, the APP is legal, and the following steps are carried out: the vehicle-mounted card reader generates a random number R2, a process key K1 is obtained through the XOR of R1 and R2, then the vehicle-mounted card reader obtains an identification ID2 of the vehicle-mounted card reader, a public key PUB1 is used for encrypting R2 to obtain an ENC2, then the ENC2 is signed to obtain C2 and S2, after the calculation is completed, the vehicle-mounted card reader finishes the processing process of the authentication and key exchange instruction, and returns ID2, ENC2, C2, S2 and response code data to the APP;
s2-3: after the APP receives the return, the legality of the ID2 is authenticated through a blacklist or a white list and an ID rule, the public key PUB2 of the APP is obtained through calculation of the ID2 after the APP passes the return, the APP uses the PUB2 to check the signature of the C2 and the S2, if the signature passes the check, the vehicle-mounted card reader is legal, and the following processes are carried out: the APP uses the private key of the APP to decrypt the ENC2, obtains the random number R2, and obtains the process key K1 through the XOR of R1 and R2, so that the APP and the vehicle-mounted card reader complete the authentication of the two parties and obtain the process key K1 to perform subsequent encrypted communication.
7. The parking authentication method as recited in claim 5, wherein: the bidirectional authentication and key exchange process between the vehicle-mounted card reader and the parking space RFID tag in the step 3 comprises the following steps:
s3-1: the vehicle-mounted card reader generates an 8-byte random number R3, acquires an identification ID3 of the vehicle-mounted card reader, calculates signatures C3 and S3 of R3, and sends the signatures C3 and S3 to the parking space RFID through an authentication and key exchange command, wherein necessary parameters of the command are ID3, R3, C3 and S3;
s3-2, after receiving the authentication and key exchange command, the parking space RFID firstly authenticates the legality of the ID3 through a blacklist or a white list and an ID rule, then a public key PUB3 of the vehicle-mounted card reader is obtained through calculation of the ID3, signature checking is carried out on signature values C3 and S3, if the signature checking is passed, the vehicle-mounted card reader is legal, and the following steps are carried out: the parking space RFID generates a random number R4, a process key K2 is obtained through the exclusive or of R3 and R4, then the parking space RFID obtains an identification ID4 of the parking space RFID, a public key PUB3 is used for encrypting R4 to obtain an ENC4, then an ENC4 is signed to obtain a C4S4, after the calculation is completed, the parking space RFID finishes the authentication and key exchange instruction processing process, and ID4, ENC4, C4, S4 and response code data are returned to the vehicle-mounted card reader;
s3-3, after the vehicle-mounted card reader receives the return, the legitimacy of the ID4 is authenticated through a blacklist or a white list and an ID rule, a public key PUB4 of the vehicle-mounted card reader is obtained through calculation of the ID4, the vehicle-mounted card reader uses the PUB4 to check the signature of the C4S4, if the signature passes, the parking space RFID is legal, and the following processes are carried out: the vehicle-mounted card reader decrypts the ENC4 by using a private key of the vehicle-mounted card reader, obtains the random number R4, and obtains the process key K2 through the XOR of R3 and R4, so that the vehicle-mounted card reader and the parking space RFID complete authentication of the two parties, obtain the process key K2, and perform subsequent encrypted communication.
8. The parking authentication system of claim 1, wherein: the parking authentication system adopts an identification authentication technology to realize authentication between the APP and the vehicle-mounted card reader and between the vehicle-mounted card reader and the parking space RFID tag.
9. The parking authentication system of claim 8, wherein: the identification authentication technology is based on a CCKS technology, the CCKS technology is based on a CPK technology, a key pair is generated through a random matrix based on an ECC algorithm so as to carry out encryption and decryption and signature verification operation, sub-domain division is realized on key management by adopting the CCKS technology, curves and domains of the CCKS are divided according to different requirements and scenes, and massive identification authentication is supported.
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