CN113298966A - Method and system for preventing PSAM card from being locked in online authorization process of ETC portal system - Google Patents
Method and system for preventing PSAM card from being locked in online authorization process of ETC portal system Download PDFInfo
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- CN113298966A CN113298966A CN202110407004.1A CN202110407004A CN113298966A CN 113298966 A CN113298966 A CN 113298966A CN 202110407004 A CN202110407004 A CN 202110407004A CN 113298966 A CN113298966 A CN 113298966A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
- G07B15/00—Arrangements or apparatus for collecting fares, tolls or entrance fees at one or more control points
- G07B15/06—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems
- G07B15/063—Arrangements for road pricing or congestion charging of vehicles or vehicle users, e.g. automatic toll systems using wireless information transmission between the vehicle and a fixed station
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/321—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving a third party or a trusted authority
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Abstract
The invention discloses a method and a system for preventing a PSAM card from being locked in the online authorization process of an ETC portal system, wherein the method comprises the following steps: the antenna controller receives an authorization frame sent by the portal industrial personal computer and organizes an external authentication instruction according to the authorization frame; the antenna controller reads the first residual authentication times of the PSAM card and judges whether the first residual authentication times are larger than a preset first time threshold value or not; when the external authentication command is larger than a preset first time threshold value, the antenna controller issues the external authentication command to the PSAM card so that the PSAM card executes the external authentication command; the antenna controller receives first result data returned after the PSAM card executes an external authentication instruction, and analyzes the first result data to determine a second remaining verification number and an authorization result; and the antenna controller updates the first residual verification times of the PSAM according to the second residual verification times, and returns the updated first residual verification times and the authorization authentication result to the portal industrial personal computer, so that the PSAM card is prevented from being locked.
Description
Technical Field
The invention relates to the technical field of intelligent transportation, in particular to a method and a system for preventing a PSAM card from being locked in an online authorization process of an ETC portal system.
Background
With the implementation of the highway provincial toll station project cancelled, a large number of ETC gantries are newly built and put into use in the country. Meanwhile, in order to strengthen the management of the core key, a PSAM online authorization function is newly added. Namely, the portal RSU must be connected to the department level online key management and service platform to obtain the PSAM (PSAM with PCI card as virtual) usage right, otherwise, the PSAM card will not be used.
When the software of the gantry industrial personal computer is started or the antenna controller is electrified again, the PSAM online authorization process is started. The PSAM card is installed in the portal antenna controller and can be unplugged from or plugged into the device. The PSAM card is one of core modules of the ETC portal system and mainly completes the functions of encryption, decryption and authentication in the process of ETC fee deduction or charging. For the CPC card, the PSAM card completes the encryption of related data, and further assists in acquiring the authority of writing the station information file and the charging information file. For the OBU, the PSAM card completes decryption of the vehicle information, calculation of the authentication code, calculation of the MAC1, and verification of the MAC 2.
As shown in fig. 1, during online authorization of the portal system PSAM, the online authorization service platform makes a limit on the number of times that authorization can be performed (generally, software configuration). The antenna controller authorization fails to verify and is verified again. For a certain portal, if the number of times of applying the authorization code exceeds the limited number of times, the online authorization service platform refuses to return the authorization code and gives a status indication. Therefore, the situation that the PSAM caine locks the card due to multiple continuous authentication failures can be reduced. This may result in missed deductions (or missed charges) of the ETC portal due to insufficient PSAM card resources. On one hand, the toll is lost due to the missing fee; on the other hand, the missed charging not only causes the loss of toll but also causes disputed transactions (which are easy to cause customer complaints). This brings great trouble to the operation management department of portal system.
The mechanism of locking in the PSAM online authorization process is as follows: the portal antenna controller will send an external authentication command to the PSAM card, and if the authentication data (8 bytes) received by the PSAM card is incorrect, the authentication fails and returns a status code 63CX (where X is the number of times that authentication can be performed), and the corresponding key counter is decremented by 1. When the counter is decremented to a "0" value, the key is then locked. The external authentication command is issued again and the PSAM card returns 6983 regardless of whether the authentication data is correct or not. In this case, the key is locked and cannot be unlocked and restored.
The prior art can reduce the probability of locking the PSAM card by online authorization to a certain extent, but has the following problems: first, online authorization cannot be fundamentally guaranteed to unlock cards, such as: and in the last external authentication, the data from the gantry RSU controller to the PSAM is interfered, so that the external authentication fails and the card is locked. Second, the prior art may result in denial of authorization in the event that the PSAM in the portal antenna controller is not locked, thereby causing transaction traffic disruption for the entire portal. For example, if the authorization of PSAM1 fails 5 times, the authorization of PSAM2 fails 5 times, the authorization of PSAM3 fails 5 times, and the authorization set for the online authorization service has reached 15 times, the service will be denied, but the above 3 PSAMs are not locked. Thirdly, the problem of locking the PSAM can only be processed after the fact, and the problem has no concept of early warning and can not meet the requirement of on-site operation and maintenance.
Therefore, a method for preventing the locking of the PSAM card in the online authorization process of the ETC portal system is urgently needed.
Disclosure of Invention
The invention provides a method and a system for preventing a PSAM card from being locked in an online authorization process of an ETC portal system, which aim to solve the problem of how to prevent the PSAM card from being locked in the current authorization process.
In order to solve the above problems, according to an aspect of the present invention, there is provided a method of preventing a PSAM card from being locked during an online authorization process of an ETC portal system, the method including:
the antenna controller receives an authorization frame sent by the portal industrial personal computer and organizes an external authentication instruction according to the authorization frame;
the antenna controller reads the first residual authentication times of the PSAM card and judges whether the first residual authentication times is larger than a preset first time threshold value or not;
when the first remaining verification frequency is larger than a preset first time threshold value, the antenna controller issues the external authentication instruction to the PSAM card so that the PSAM card executes the external authentication instruction;
the antenna controller receives first result data returned after the PSAM card executes the external authentication instruction, and analyzes the first result data to determine a second remaining verification number and an authorization result;
the antenna controller updates the first residual verification times of the PSAM according to the second residual verification times, and returns the updated first residual verification times and the authorization authentication result to the portal industrial personal computer, so that the PSAM card is prevented from being locked;
wherein, the number of the PSAM cards is at least one; the PSAM card is arranged in the antenna controller.
Preferably, wherein the method further comprises:
and when the first residual verification frequency is less than or equal to the preset first time threshold value, the antenna controller directly returns second result data indicating that the first residual verification frequency is 0 to the portal industrial personal computer, so that the portal industrial personal computer forbids to perform authorization and authentication operation again, and performs software alarm.
Preferably, wherein the method further comprises:
and the portal industrial personal computer counts the times of returning the second result data, determines a PSAM card abnormal event according to the basic information of the PSAM card when the counted times is more than or equal to a preset second time threshold value, reports the PSAM card abnormal event to the control terminal and performs early warning.
Preferably, wherein the method further comprises:
after the first remaining verification times of the PSAM are updated according to the second remaining verification times, the antenna controller writes the updated first remaining verification times into a storage device of a Road Side Unit (RSU), and the first remaining verification times are prevented from being lost after the system is powered off.
Preferably, wherein the method further comprises:
and determining the preset first time threshold according to the maximum value of the allowed remaining verification times of the PSAM card and a preset percentage.
According to another aspect of the present invention, there is provided a system for preventing a PSAM card lock during online authorization of an ETC portal system, the system comprising:
the external authentication instruction determining unit is used for enabling the antenna controller to receive an authorization frame sent by the portal industrial personal computer and organizing an external authentication instruction according to the authorization frame;
the antenna controller is used for reading the first residual authentication times of the PSAM card and judging whether the first residual authentication times is larger than a preset first time threshold value or not;
an external authentication instruction issuing unit, configured to, when the first remaining verification number is greater than a preset first number threshold, cause the antenna controller to issue the external authentication instruction to the PSAM card, so that the PSAM card executes the external authentication instruction;
a first result data analyzing unit, configured to enable the antenna controller to receive first result data returned after the PSAM card executes the external authentication instruction, and analyze the first result data to determine a second remaining verification number and an authorization result;
the residual verification frequency updating unit is used for enabling the antenna controller to update the first residual verification frequency of the PSAM according to the second residual verification frequency and returning the updated first residual verification frequency and the authorization authentication result to the portal industrial personal computer so as to prevent the PSAM card from being locked;
wherein, the number of the PSAM cards is at least one; the PSAM card is arranged in the antenna controller.
Preferably, wherein the system further comprises:
and the second result data returning unit is used for enabling the antenna controller to directly return second result data indicating that the first residual verification times is 0 to the portal industrial personal computer when the first residual verification times is less than or equal to the preset first time threshold value, so that the portal industrial personal computer forbids to perform authorization and authentication operation again and performs software alarm.
Preferably, wherein the system further comprises:
and the early warning unit is used for counting the times of returning the second result data by the portal industrial personal computer, determining a PSAM card abnormal event according to the basic information of the PSAM card when the counted times are more than or equal to a preset second time threshold value, reporting the PSAM card abnormal event to the control terminal, and early warning.
Preferably, wherein the system further comprises:
and the backup unit is used for enabling the antenna controller to write the updated first remaining verification times into the storage device of the road side unit RSU after updating the first remaining verification times of the PSAM according to the second remaining verification times, so that the first remaining verification times are prevented from being lost after the system is powered off.
Preferably, wherein the system further comprises:
and the first time threshold determining unit is used for determining the preset first time threshold according to the maximum value of the allowed remaining verification times of the PSAM card and a preset percentage.
The invention provides a method and a system for preventing a PSAM card from being locked in an online authorization process of an ETC portal system, which can realize no locking of the PSAM card in the online authorization process, give early warning to a portal which is easy to cause the locking of the PSAM card, guide the targeted fault maintenance of an operation and maintenance department, maintain the stable work of the system, improve the normal operation level of a toll collection system, reduce the toll loss caused by the failure of ETC transaction due to the PSAM problem, improve the satisfaction degree and the happiness of customers, and bring great economic benefits and social benefits to the operation and maintenance departments of highways.
Drawings
A more complete understanding of exemplary embodiments of the present invention may be had by reference to the following drawings in which:
fig. 1 is a flow chart of existing on-line authorization of a portal system PSAM;
FIG. 2 is a flow chart of a method 100 for preventing a PSAM card from locking during online authorization of an ETC portal system according to an embodiment of the invention;
FIG. 3 is a block diagram of a prior art ETC portal apparatus;
FIG. 4 is a diagram illustrating an example of a method for preventing card locking during online authorization according to an embodiment of the invention;
fig. 5 is a schematic structural diagram of a system 500 for preventing locking of a PSAM card during online authorization of an ETC portal system according to an embodiment of the present invention.
Detailed Description
The exemplary embodiments of the present invention will now be described with reference to the accompanying drawings, however, the present invention may be embodied in many different forms and is not limited to the embodiments described herein, which are provided for complete and complete disclosure of the present invention and to fully convey the scope of the present invention to those skilled in the art. The terminology used in the exemplary embodiments illustrated in the accompanying drawings is not intended to be limiting of the invention. In the drawings, the same units/elements are denoted by the same reference numerals.
Unless otherwise defined, terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Further, it will be understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense.
Fig. 2 is a flow chart of a method 100 for preventing a PSAM card lock during an on-line authorization process of an ETC portal system according to an embodiment of the present invention. As shown in fig. 2, the method for preventing the locking of the PSAM card in the online authorization process of the ETC portal system according to the embodiment of the present invention can achieve the non-locking of the PSAM card in the online authorization process, and can warn the portal which is likely to cause the locking of the PSAM card, guide the operation and maintenance department to perform targeted fault maintenance, maintain the stable operation of the system, improve the satisfaction and the happiness of the customer, improve the normal operation level of the toll collection system, reduce the toll loss caused by the failure of the ETC transaction due to the PSAM problem, and bring great economic and social benefits to the highway operation and maintenance department. The method 100 for preventing the locking of the PSAM card in the online authorization process of the ETC portal system provided by the embodiment of the invention starts from step 101, and the antenna controller receives an authorization frame sent by the portal industrial personal computer in step 101 and organizes an external authentication instruction according to the authorization frame.
In step 202, the antenna controller reads a first remaining authentication frequency of the PSAM card, and determines whether the first remaining authentication frequency is greater than a preset first frequency threshold. Wherein, the number of the PSAM cards is at least one; the PSAM card is arranged in the antenna controller.
Preferably, wherein the method further comprises:
and determining the preset first time threshold according to the maximum value of the allowed remaining verification times of the PSAM card and a preset percentage.
In step 203, when the first remaining verification number is greater than a preset first number threshold, the antenna controller issues the external authentication instruction to the PSAM card, so that the PSAM card executes the external authentication instruction.
In the present invention, the number of remaining verifications allowed by the PSAM card is preset by its issuer, generally between 3 and 15, and cannot be changed after setting. Since the maximum value of the remaining verification times allowed by the PSAM card is not a fixed value, the preset time threshold value is dynamically determined according to a preset percentage according to the maximum value of the remaining verification times allowed by the PSAM card. The preset percentage can be set by itself. For example, if the maximum value of the remaining verification times is 10 times and the preset percentage is 20%, the preset time threshold may be determined to be 2 times. If the maximum value of the remaining verification times is 14 times and the preset percentage is 10%, the preset time threshold may be determined to be 2 times. That is, if the calculated time threshold is not an integer, rounding up to determine the preset time threshold.
As shown in fig. 3, the PSAM card is disposed in the antenna controller, and when the software of the industrial personal computer of the portal is started or the antenna controller is powered on again, the PSAM online authorization process is started.
Specifically, when authorization operation is needed, the portal industrial personal computer sends an authorization frame to the antenna controller, and the antenna controller receives the authorization frame sent by the portal industrial personal computer and organizes an external authentication instruction according to the authorization frame. The antenna controller reads the first residual authentication times of the PSAM card, judges whether the first residual authentication times is larger than a preset first time threshold value or not, and sends an external authentication instruction to the corresponding PSAM card when the first residual verification times is larger than the preset first time threshold value so that the corresponding PSAM card executes the external authentication instruction.
TABLE 1 PSAM card external authentication instruction sheet
In step 204, the antenna controller receives first result data returned after the PSAM card executes the external authentication instruction, and analyzes the first result data to determine a second remaining verification number and an authorization result.
In step 205, the antenna controller updates the first remaining verification times of the PSAM according to the second remaining verification times, and returns the updated first remaining verification times and the authorization authentication result to the portal industrial personal computer, so as to prevent the PSAM card from being locked.
Preferably, wherein the method further comprises:
and when the first residual verification frequency is less than or equal to the preset first time threshold value, the antenna controller directly returns second result data indicating that the first residual verification frequency is 0 to the portal industrial personal computer, so that the portal industrial personal computer forbids to perform authorization and authentication operation again, and performs software alarm.
Preferably, wherein the method further comprises:
and the portal industrial personal computer counts the times of returning the second result data, determines a PSAM card abnormal event according to the basic information of the PSAM card when the counted times is more than or equal to a preset second time threshold value, reports the PSAM card abnormal event to the control terminal and performs early warning.
Preferably, wherein the method further comprises:
after the first remaining verification times of the PSAM are updated according to the second remaining verification times, the antenna controller writes the updated first remaining verification times into a storage device of a Road Side Unit (RSU), and the first remaining verification times are prevented from being lost after the system is powered off.
The PSAM online authorization process comprises the following steps:
1. the ETC portal system is started, the TCP is connected with the antenna controller, and portal software sends a C0 frame to instruct the antenna controller to carry out initialization operation.
2. The antenna controller performs initialization operation, summarizes the state information of all PSAM cards in the antenna controller, and sends the status information to portal software (a portal industrial personal computer) through a B0 frame.
3. And the portal software sends a CA frame to indicate the RSU to carry out authorized original information acquisition operation on the corresponding PSAM card according to the B0 frame information.
4. And the antenna controller collects all the authorized original information of the designated PSAM card in the antenna controller according to the CA frame and sends all the authorized original information of the PSAM card to the portal software through the BA frame.
5. According to the BA frame information, the door frame software authorizes the server to obtain the authorization code, and then sends the CB frame to indicate the RSU to carry out authorization operation on the corresponding PSAM card.
6. And the antenna controller carries out authorization operation on the PSAM card appointed in the antenna controller according to the CB frame, and returns an authorization result to the portal software through the BB frame.
Fig. 4 is an exemplary diagram of a method for preventing card locking during an online authorization process according to an embodiment of the present invention. As shown in fig. 4, the method for preventing card locking during online authorization is implemented at the controller end of the RSU of the ETC portal roadside unit. For each PSAM card (or virtual PSAM of PC I card), the specific steps include: the portal industrial personal computer sends an authorization frame to the antenna controller; the antenna controller receives an authorization frame sent by the portal industrial personal computer and organizes an external authentication instruction according to the authorization frame; the antenna controller reads the first residual authentication times of the PSAM card and judges whether the first residual authentication times is larger than a preset first time threshold value 1; when the first remaining verification times are larger than a preset first time threshold value 1, issuing an external authentication instruction to the corresponding PSAM card so that the corresponding PSAM card executes the external authentication instruction; the PSAM card executes an external authentication instruction to determine first result data, and returns the first result data to the antenna controller; the antenna controller judges the first result data, if the first result data is '63 CX' (X is not 0), the second residual verification frequency can be determined to be X and the authorization result is failure, the antenna controller updates the first residual verification frequency to be X and reports the updated first residual authentication frequency and the updated authorization result to the portal industrial personal computer so as to carry out the next authorization authentication process; if the first result data is '9000', the fact that the second remaining verification times are the maximum value of the allowed remaining verification times and the authorization result is successful can be determined, the lane controller updates the first remaining verification times to be the maximum value of the allowed remaining verification times, reports the updated first remaining authentication times and the updated authorization result to the portal industrial personal computer, and determines that the authorization authentication is passed. And if the first remaining verification frequency is less than or equal to 1, directly returning second result data '63C 0' indicating that the first remaining verification frequency is 0 to the portal industrial personal computer by the antenna controller so that the portal industrial personal computer forbids the authorization and authentication operation again and carries out software alarm.
In addition, when the first remaining verification frequency of the PSAM card is updated every time, the updated first remaining verification frequency needs to be written into a nonvolatile memory (EEPROM, FLASH or magnetic disk) of the RSU controller, so as to prevent the system from being lost after power failure.
In a portal front-end system, in an online authorization stage of a PSAM card, an authorization authentication return code of the portal PSAM needs to be counted, if the number of '63C 0' is large, the problem of the PSAM card authorization of the portal is indicated, namely, the portal industrial personal computer is used for counting the times of returning the second result data, if the counted times are larger than or equal to a preset second time threshold value, the problem of the PSAM card authorization of the portal is indicated, a PSAM card abnormal event is determined according to basic information of the PSAM card, and the PSAM card abnormal event is reported to a control terminal for early warning.
The method of the invention adopts measures at the control end of the gantry RSU, which can prevent the locking of the PSAM card in the online authorization stage; the method has the advantages that measures are taken at the front end (namely an industrial personal computer) of the portal system, so that the problems in the online authorization of the PSAM card can be identified, early warning is given, and the reason for troubleshooting of operation and maintenance personnel is facilitated.
Fig. 5 is a schematic structural diagram of a system 500 for preventing locking of a PSAM card during online authorization of an ETC portal system according to an embodiment of the present invention. As shown in fig. 5, the system 500 for preventing the lock of the PSAM card in the online authorization process of the ETC portal system according to the embodiment of the present invention includes: an external authentication instruction determination unit 501, a remaining verification number reading unit 502, an external authentication instruction issuing unit 503, a first result data analysis unit 504, and a remaining verification number updating unit 505.
Preferably, the external authentication instruction determining unit 501 is configured to enable the antenna controller to receive an authorization frame sent by the gantry industrial personal computer, and organize an external authentication instruction according to the authorization frame.
Preferably, the remaining verification number reading unit 502 is configured to enable the antenna controller to read a first remaining authentication number of the PSAM card, and determine whether the first remaining authentication number is greater than a preset first number threshold.
Preferably, wherein the system further comprises: and the first time threshold determining unit is used for determining the preset first time threshold according to the maximum value of the allowed remaining verification times of the PSAM card and a preset percentage.
Preferably, the external authentication instruction issuing unit 503 is configured to, when the first remaining verification number is greater than a preset first number threshold, enable the antenna controller to issue the external authentication instruction to the PSAM card, so that the PSAM card executes the external authentication instruction.
Preferably, the first result data parsing unit 504 is configured to enable the antenna controller to receive first result data returned by the PSAM card after executing the external authentication instruction, and parse the first result data to determine a second remaining number of times of verification and an authorization result.
Preferably, the remaining verification number updating unit 505 is configured to enable the antenna controller to update the first remaining verification number of the PSAM according to the second remaining verification number, and return the updated first remaining verification number and the authorization authentication result to the portal industrial personal computer, so as to prevent the PSAM card from being locked.
Wherein, the number of the PSAM cards is at least one; the PSAM card is arranged in the antenna controller.
Preferably, wherein the system further comprises:
and the second result data returning unit is used for enabling the antenna controller to directly return second result data indicating that the first residual verification times is 0 to the portal industrial personal computer when the first residual verification times is less than or equal to the preset first time threshold value, so that the portal industrial personal computer forbids to perform authorization and authentication operation again and performs software alarm.
Preferably, wherein the system further comprises: and the early warning unit is used for counting the times of returning the second result data by the portal industrial personal computer, determining a PSAM card abnormal event according to the basic information of the PSAM card when the counted times are more than or equal to a preset second time threshold value, reporting the PSAM card abnormal event to the control terminal, and early warning.
Preferably, wherein the system further comprises: and the backup unit is used for enabling the antenna controller to write the updated first remaining verification times into the storage device of the road side unit RSU after updating the first remaining verification times of the PSAM according to the second remaining verification times, so that the first remaining verification times are prevented from being lost after the system is powered off.
The system 500 for preventing the locking of the PSAM card in the online authorization process of the ETC portal system according to the embodiment of the present invention corresponds to the method 100 for preventing the locking of the PSAM card in the online authorization process of the ETC portal system according to another embodiment of the present invention, and therefore, the details thereof are not repeated herein.
The invention has been described with reference to a few embodiments. However, other embodiments of the invention than the one disclosed above are equally possible within the scope of the invention, as would be apparent to a person skilled in the art from the appended patent claims.
Generally, all terms used in the claims are to be interpreted according to their ordinary meaning in the technical field, unless explicitly defined otherwise herein. All references to "a/an/the [ device, component, etc ]" are to be interpreted openly as referring to at least one instance of said device, component, etc., unless explicitly stated otherwise. The steps of any method disclosed herein do not have to be performed in the exact order disclosed, unless explicitly stated.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (10)
1. A method for preventing a PSAM card from being locked in an ETC portal system online authorization process is characterized by comprising the following steps:
the antenna controller receives an authorization frame sent by the portal industrial personal computer and organizes an external authentication instruction according to the authorization frame;
the antenna controller reads the first residual authentication times of the PSAM card and judges whether the first residual authentication times is larger than a preset first time threshold value or not;
when the first remaining verification frequency is larger than a preset first time threshold value, the antenna controller issues the external authentication instruction to the PSAM card so that the PSAM card executes the external authentication instruction;
the antenna controller receives first result data returned after the PSAM card executes the external authentication instruction, and analyzes the first result data to determine a second remaining verification number and an authorization result;
the antenna controller updates the first residual verification times of the PSAM according to the second residual verification times, and returns the updated first residual verification times and the authorization authentication result to the portal industrial personal computer, so that the PSAM card is prevented from being locked;
wherein, the number of the PSAM cards is at least one; the PSAM card is arranged in the antenna controller.
2. The method of claim 1, further comprising:
and when the first residual verification frequency is less than or equal to the preset first time threshold value, the antenna controller directly returns second result data indicating that the first residual verification frequency is 0 to the portal industrial personal computer, so that the portal industrial personal computer forbids to perform authorization and authentication operation again, and performs software alarm.
3. The method of claim 2, further comprising:
and the portal industrial personal computer counts the times of returning the second result data, determines a PSAM card abnormal event according to the basic information of the PSAM card when the counted times is more than or equal to a preset second time threshold value, reports the PSAM card abnormal event to the control terminal and performs early warning.
4. The method of claim 1, further comprising:
after the first remaining verification times of the PSAM are updated according to the second remaining verification times, the antenna controller writes the updated first remaining verification times into a storage device of a Road Side Unit (RSU), and the first remaining verification times are prevented from being lost after the system is powered off.
5. The method of claim 1, further comprising:
and determining the preset first time threshold according to the maximum value of the allowed remaining verification times of the PSAM card and a preset percentage.
6. A system for preventing locking of a PSAM card in an online authorization process of an ETC portal system, the system comprising:
the external authentication instruction determining unit is used for enabling the antenna controller to receive an authorization frame sent by the portal industrial personal computer and organizing an external authentication instruction according to the authorization frame;
the antenna controller is used for reading the first residual authentication times of the PSAM card and judging whether the first residual authentication times is larger than a preset first time threshold value or not;
an external authentication instruction issuing unit, configured to, when the first remaining verification number is greater than a preset first number threshold, cause the antenna controller to issue the external authentication instruction to the PSAM card, so that the PSAM card executes the external authentication instruction;
a first result data analyzing unit, configured to enable the antenna controller to receive first result data returned after the PSAM card executes the external authentication instruction, and analyze the first result data to determine a second remaining verification number and an authorization result;
the residual verification frequency updating unit is used for enabling the antenna controller to update the first residual verification frequency of the PSAM according to the second residual verification frequency and returning the updated first residual verification frequency and the authorization authentication result to the portal industrial personal computer so as to prevent the PSAM card from being locked;
wherein, the number of the PSAM cards is at least one; the PSAM card is arranged in the antenna controller.
7. The system of claim 6, further comprising:
and the second result data returning unit is used for enabling the antenna controller to directly return second result data indicating that the first residual verification times is 0 to the portal industrial personal computer when the first residual verification times is less than or equal to the preset first time threshold value, so that the portal industrial personal computer forbids to perform authorization and authentication operation again and performs software alarm.
8. The system of claim 7, further comprising:
and the early warning unit is used for counting the times of returning the second result data by the portal industrial personal computer, determining a PSAM card abnormal event according to the basic information of the PSAM card when the counted times are more than or equal to a preset second time threshold value, reporting the PSAM card abnormal event to the control terminal, and early warning.
9. The system of claim 6, further comprising:
and the backup unit is used for enabling the antenna controller to write the updated first remaining verification times into the storage device of the road side unit RSU after updating the first remaining verification times of the PSAM according to the second remaining verification times, so that the first remaining verification times are prevented from being lost after the system is powered off.
10. The system of claim 6, further comprising:
and the first time threshold determining unit is used for determining the preset first time threshold according to the maximum value of the allowed remaining verification times of the PSAM card and a preset percentage.
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