Two-stage anti-theft authentication method, device, equipment and computer readable storage medium

Abstract

A two-stage anti-theft authentication method, device, equipment and computer readable storage medium belong to the field of electric vehicle power anti-theft, including when the first-stage anti-theft authentication and the second-stage anti-theft authentication of the PEPS system fail, the vehicle state is controlled to switch to the OFF state. When the first-stage anti-theft authentication and the second-stage anti-theft authentication of the PEPS system fail, the vehicle state is controlled to switch back to the OFF state. In the OFF state, the vehicle door is locked to avoid safety risks, and the VCU is hibernated to avoid static current consumption. When the second-stage anti-theft authentication fails, the OFF state is jumped back to, the latest and effective fixed code information can be obtained from the beginning of the two-stage authentication, the effective authentication key is generated according to the fixed code information, the rationality and effectiveness of the second-stage anti-theft authentication are improved, the automation of the two-stage anti-theft authentication is realized, the user manually forced restart of the two-stage anti-theft authentication is avoided, and the user experience is improved.

Description

Technical Field

[0001] This application relates to the field of electric vehicle power anti-theft, specifically to a two-level anti-theft authentication method, device, equipment, and computer-readable storage medium. Background Technology

[0002] PEPS system, or Passive Entry Passive Start, is a keyless system that allows vehicles to enter and start without the need for a traditional key. When a driver enters a designated area, the system recognizes the authorized driver and automatically unlocks the door; when leaving the vehicle, the door locks automatically engage and enter anti-theft mode.

[0003] The working principle of the PEPS system is as follows:

[0004] 1. When a user walks near a vehicle that is in the OFF state (the vehicle is powered off and the doors are locked) with the car key, the car key sends a low-frequency signal to the low-frequency antenna.

[0005] 2. After receiving the signal, the low-frequency antenna sends a low-frequency trigger signal to the car key;

[0006] 3. After the car key receives the low-frequency trigger signal, the car key and the PEPS system complete the initial handshake verification.

[0007] 4. The car key emits a high-frequency signal, which contains fixed coded information pre-agreed with the PEPS system;

[0008] 5. After receiving the high-frequency signal, the high-frequency receiver verifies the fixed coded information contained in the high-frequency signal. When the verification is successful, the door is unlocked and the VCU (Vehicle Control Unit) is activated.

[0009] 6. The user needs to trigger the door handle switch by opening the door handle within a certain period of time. After the user opens the door handle and enters the vehicle, the VCU receives the trigger signal of the door handle switch and controls the vehicle to power on, switching the vehicle status from OFF to ON (the vehicle is powered on and the door is unlocked in the ON state). This completes the first-level anti-theft authentication of the PEPS system.

[0010] 7. Secondary anti-theft authentication is performed between the car key and VCU. During secondary anti-theft authentication, the authentication key sent by PEPS to VCU needs to be generated based on the fixed coding information used in the primary anti-theft authentication stage. VCU verifies the authentication key sent by PEPS and, after successful verification, determines whether the user has pressed the brake to start the vehicle within a certain period of time and whether other vehicle starting conditions have been met. If so, the vehicle status is switched from ON to READY (in the READY state, the user has pressed the brake to start the vehicle and other vehicle starting conditions have been met). This completes the secondary anti-theft authentication of the PEPS system.

[0011] The current PEPS system for intelligent vehicles has encountered some problems in its application:

[0012] 1. During the Level 1 anti-theft authentication phase, if the car door is unlocked and the VCU is activated, but the user does not open the door within a specified time, according to the existing PEPS system configuration, the PEPS system will lock the door and put the VCU into sleep mode, i.e., enter the OFF state. However, if the customer continues to move within the key's sensing range, causing the PEPS system to sense the key again after entering the OFF state and unlock the door again, the VCU will be activated again. Repeatedly performing this operation results in the VCU being constantly activated and the vehicle constantly entering the OFF state, leading to static current consumption. For example, in a real-world scenario, a user parks their car near their office, carries the key, and finds the car battery depleted after a day's work.

[0013] 2. During the secondary anti-theft authentication stage, if the authentication key sent by the PEPS system fails to pass the VCU authentication, or even if the authentication key sent by the PEPS system passes the VCU authentication but the user does not press the brake to start the vehicle within the specified time or other vehicle starting conditions are not met as expected, according to the existing PEPS system configuration, the PEPS system will control the vehicle to switch back to the ON state, while the doors will remain unlocked, posing a security risk. The VCU will also remain in the wake-up state, resulting in static current consumption.

[0014] 3. During the Level 2 anti-theft authentication phase, if the authentication key verification between PEPS and VCU cannot be completed due to occasional communication interruptions, or if the user does not press the brake and start the vehicle for an extended period after entering the vehicle, or if other vehicle starting conditions are not met, resulting in the Level 2 anti-theft authentication failing, the vehicle cannot switch to the READY state. In this case, according to the existing PEPS system configuration, the PEPS system will control the vehicle to directly jump back to the ON state. However, when jumping back to the ON state to restart the Level 2 anti-theft authentication, the authentication key required for the Level 2 anti-theft authentication phase needs to be generated again using the fixed encoding information. At this time, the fixed encoding information has often expired due to time constraints, resulting in the inability to complete the Level 2 anti-theft authentication normally. This requires the user to manually force the vehicle status to switch back to the OFF state and start the two-level anti-theft authentication process (including Level 1 and Level 2 anti-theft authentication) from the beginning. This results in a poor user experience, and the user cannot know the specific reason for the authentication failure. Summary of the Invention

[0015] This application provides a two-level anti-theft authentication method, apparatus, device, and computer-readable storage medium, which can solve the technical problems of poor practical application effect and poor user experience of existing two-level anti-theft authentication methods based on PEPS systems.

[0016] In a first aspect, embodiments of this application provide a two-level anti-theft authentication method, the method comprising:

[0017] When the Level 1 and Level 2 anti-theft authentications of the Smart Entry and Start (PEPS) system fail, the vehicle status is switched to OFF.

[0018] After the vehicle status is switched to OFF, the fixed code information sent by the car key is authenticated by the PEPS system. When the PEPS system detects that the user opens the car door within a specified time, it wakes up the vehicle controller (VCU) and switches the vehicle status to ON.

[0019] In conjunction with the first aspect, in one implementation, the step of controlling the vehicle status to switch to the OFF state when the Level 1 anti-theft authentication of the PEPS system fails specifically includes the following steps:

[0020] After the door is unlocked and the VCU is woken up, if the VCU does not receive a trigger signal from the door handle switch for a preset time, the vehicle status will be switched to OFF.

[0021] In conjunction with the first aspect, in one implementation, the step of switching the vehicle status to OFF when the secondary anti-theft authentication of the PEPS system fails specifically includes the following steps:

[0022] After the authentication key sent by the PEPS system to the VCU is verified, if the VCU does not receive a start signal from the user pressing the brake pedal for a preset time, the vehicle status will be switched to OFF.

[0023] In conjunction with the first aspect, in one embodiment, the method further includes:

[0024] After the authentication key sent by the PEPS system to the VCU is verified, if the VCU does not receive the user's brake start signal for more than a preset time, it will switch the vehicle status to OFF and output a vehicle sleep prompt.

[0025] After the vehicle goes into sleep mode and the vehicle status is switched to OFF, if the on-board unit wakes up the VCU, the PEPS system will restart the two-level anti-theft authentication.

[0026] In conjunction with the first aspect, in one embodiment, the method further includes:

[0027] When verifying the authentication key in the secondary anti-theft authentication of the PEPS system, if the VCU or PEPS system does not receive the interaction signal sent by the other party, the sending side will repeatedly send the interaction signal to the receiving side, and the number of repeated sending will not exceed the preset threshold.

[0028] The interaction signals include an authentication request signal, a random number, and an authentication key.

[0029] In conjunction with the first aspect, in one embodiment, the method further includes:

[0030] When verifying the authentication key in the secondary anti-theft authentication of the PEPS system, if the VCU or PEPS system does not receive the interaction signal sent by the other party, and the number of times the sending side repeatedly sends the signal has reached the set threshold, then the communication fault code corresponding to the interaction signal will be output.

[0031] When verifying the authentication key in the secondary anti-theft authentication of the PEPS system, if the authentication key sent by the PEPS system to the VCU fails to pass verification, the corresponding authentication fault code will be output.

[0032] After the PEPS system completes the authentication key verification in the Level 2 anti-theft authentication, if the VCU detects that the necessary starting conditions of the vehicle are not met as expected, it will output the corresponding condition fault code.

[0033] In conjunction with the first aspect, in one embodiment, the method further includes:

[0034] The communication fault code, authentication fault code, and condition fault code are output in the form of voice information and / or visual information.

[0035] Secondly, embodiments of this application provide a two-level anti-theft authentication device, the device comprising:

[0036] The adjustment control module is used to control the vehicle status to switch to the OFF state when the first-level and second-level anti-theft authentication of the PEPS system fails. After the vehicle status is switched to the OFF state, when the fixed code information sent by the car key is authenticated by the PEPS system and the PEPS system detects that the user opens the car door within a specified time, it wakes up the vehicle controller (VCU) and switches the vehicle status to the ON state.

[0037] Thirdly, this application provides a two-level anti-theft authentication device, which includes a processor, a memory, and a two-level anti-theft authentication program stored in the memory and executable by the processor. When the two-level anti-theft authentication program is executed by the processor, it implements the steps of the two-level anti-theft authentication method.

[0038] Fourthly, embodiments of this application provide a computer-readable storage medium storing a two-level anti-theft authentication program, wherein when the two-level anti-theft authentication program is executed by a processor, it implements the steps of the two-level anti-theft authentication method.

[0039] The beneficial effects of the technical solutions provided in this application include:

[0040] This application controls the vehicle status to switch back to OFF state when the PEPS system fails both Level 1 and Level 2 anti-theft authentication. In OFF state, the doors are locked to avoid security risks, and the VCU is put into sleep mode to avoid static current consumption. Furthermore, when Level 2 anti-theft authentication fails, the system jumps back to OFF state to start the two-level authentication process from scratch to obtain the latest and most valid fixed code information. Based on the fixed code information, a valid authentication key is generated, improving the rationality and effectiveness of Level 2 anti-theft authentication, automating the two-level anti-theft authentication process, avoiding the need for users to manually force restart the two-level anti-theft authentication, and improving the user experience. Attached Figure Description

[0041] Figure 1 This is a flowchart illustrating a specific embodiment of the two-level anti-theft authentication method of this application;

[0042] Figure 2 This is a functional module diagram of an embodiment of the two-level anti-theft authentication device of this application;

[0043] Figure 3 This is a schematic diagram of the hardware structure of the two-level anti-theft authentication device involved in the embodiment of this application. Detailed Implementation

[0044] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0045] First, some of the technical terms used in this application will be explained to help those skilled in the art understand this application.

[0046] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0047] Firstly, embodiments of this application provide a two-level anti-theft authentication method.

[0048] In one embodiment, the two-level anti-theft authentication method includes:

[0049] When the PEPS system fails the Level 1 and Level 2 anti-theft authentications, the vehicle status is switched to OFF.

[0050] After the vehicle status is switched to OFF, the fixed code information sent by the car key is authenticated by the PEPS system. When the PEPS system detects that the user opens the car door within a specified time, it wakes up the vehicle controller (VCU) and switches the vehicle status to ON.

[0051] In this embodiment, during the Level 1 anti-theft authentication stage, if the car door is unlocked and the VCU is activated, but the user does not open the door within a specified time, according to the existing PEPS system configuration, the PEPS system will control the door to lock and the VCU to go into sleep mode, i.e., enter the OFF state. However, if the customer continues to move within the car key sensing range, causing the PEPS system to sense the car key again after entering the OFF state and unlock the door again, the VCU will be activated again. Repeatedly performing the above operation results in the VCU being constantly activated and the vehicle constantly entering the OFF state, resulting in static current consumption. With the technical solution of this invention, if the user does not open the car door within a specified time, the PEPS system will control the vehicle to jump back to the OFF state. In the OFF state, the door is locked to avoid security risks, and the VCU goes into sleep mode to avoid static current consumption. During the Level 1 anti-theft authentication phase, if the car door is unlocked and the VCU is activated, but the user does not open the car door within the specified time, it will enter the OFF state. The next time the car key enters the vehicle detection range, the VCU will only be activated and enter the ON state if the fixed code information sent by the car key is authenticated by the PEPS system and the user opens the car door through the door handle.

[0052] During the secondary anti-theft authentication stage, if the authentication key sent by the PEPS system fails to pass the VCU authentication, or even if the authentication key sent by the PEPS system passes the VCU authentication but the user does not apply the brakes to start the vehicle within a specified time or other vehicle starting conditions are not met as expected, according to the existing PEPS system configuration, the PEPS system will control the vehicle to return to the ON state, while the doors remain unlocked, posing a security risk. The VCU also remains in the wake-up state, resulting in static current consumption. With the technical solution of this invention, if the authentication key sent by the PEPS system fails to pass the VCU authentication, the user does not apply the brakes to start the vehicle within a specified time, or other necessary conditions for vehicle starting are not met as expected, the PEPS system will control the vehicle to return to the OFF state. In the OFF state, the doors are locked to avoid security risks, and the VCU is in sleep mode to avoid static current consumption. After the vehicle status is switched to OFF, the first-level anti-theft authentication is directly re-entered to obtain the latest fixed code information. The second-level anti-theft authentication is then performed based on the latest fixed code information, avoiding failure of the second-level anti-theft authentication due to the expiration of the fixed code information. This increases the success rate of both levels of anti-theft authentication without requiring any manual operation from the user, thus improving the automation level and user experience.

[0053] When the first vehicle controller is a VCU, the second vehicle controller is a PEPS system. When the first vehicle controller is a PEPS system, the second vehicle controller is a VCU.

[0054] Furthermore, in one embodiment, the above method further includes:

[0055] When the Level 1 anti-theft authentication of the PEPS system fails, the vehicle status is switched to OFF, which includes the following steps:

[0056] After the door is unlocked and the VCU is woken up, if the VCU does not receive a trigger signal from the door handle switch for a preset time, the vehicle status will be switched to OFF.

[0057] In this embodiment, during the first-level anti-theft authentication stage, whether the car key fails to pass the verification of the fixed code information by the PEPS system, or the user does not open the car door for a long time after passing the verification, the vehicle is controlled to return to the OFF state, locking the car door to improve vehicle security, and the VCU is put into hibernation to achieve energy saving.

[0058] Furthermore, in one embodiment, the above method further includes:

[0059] After the authentication key sent by the PEPS system to the VCU is verified, if the VCU does not receive a start signal from the user pressing the brake for a preset time, it will switch the vehicle status to OFF and output a vehicle sleep prompt.

[0060] After the vehicle goes into sleep mode and the vehicle status is switched to OFF, if the on-board unit wakes up the VCU, the PEPS system will restart the secondary anti-theft authentication.

[0061] In this embodiment, the secondary anti-theft authentication stage of the PEPS system includes a key verification stage and a stage where, after the key verification is successful, it checks whether the following three conditions are met: whether the user starts the vehicle by pressing the brake within a specified time period, and whether other necessary conditions for vehicle startup are met after the user starts the vehicle by pressing the brake. If the key verification is successful, the user starts the vehicle by pressing the brake within the specified time period, and the necessary conditions for vehicle startup are met, then the secondary anti-theft authentication is considered successful, and the vehicle status is switched to READY. If any of the above three conditions are not met, then the secondary anti-theft authentication is considered unsuccessful. Regardless of the reason for the failure of the secondary anti-theft authentication of the PEPS system, the vehicle status is switched to OFF, and the primary anti-theft authentication is re-performed to obtain the latest fixed code information. The secondary anti-theft authentication is then performed based on the latest fixed code information, avoiding failure of the secondary anti-theft authentication due to the expiration of the fixed code information, increasing the success rate of both levels of anti-theft authentication, eliminating the need for any manual operation by the user, improving its automation level, and enhancing the user experience.

[0062] Furthermore, in one embodiment, the above method further includes:

[0063] After the authentication key sent by the PEPS system to the VCU is verified, if the VCU does not receive a start signal from the user pressing the brake for a preset time, it will switch the vehicle status to OFF and output a vehicle sleep prompt.

[0064] After the vehicle goes into sleep mode and the vehicle status is switched to OFF, if the on-board unit wakes up the VCU, the PEPS system will restart the two-level anti-theft authentication.

[0065] In this embodiment, by outputting a sleep prompt, the user can keep track of the vehicle status in real time, thereby improving the user experience. Since the user is still in the vehicle at this time, when the user operates the designated vehicle device, it indicates that the user needs to use the vehicle. At this time, the vehicle device wakes up the VCU, and the PEPS system restarts the two-level anti-theft authentication.

[0066] Furthermore, in one embodiment, the above method further includes:

[0067] When verifying the authentication key in the secondary anti-theft authentication of the PEPS system, if the VCU or PEPS system does not receive the interaction signal sent by the other party, the sending side will repeatedly send the interaction signal to the receiving side, and the number of repeated sending will not exceed a preset threshold.

[0068] The aforementioned interaction signals include an authentication request signal, a random number, and an authentication key.

[0069] In this embodiment, the authentication key verification stage in the secondary anti-theft authentication phase generally includes the PEPS system sending an authentication request signal to the VCU, the VCU sending a random number back to the PEPS system upon receiving the authentication request signal, the PEPS system sending an authentication key to the VCU upon receiving the random number, and the VCU verifying the authentication key upon receiving it. During this process, if an accidental communication failure causes a communication interruption or failure to send interaction signals between the PEPS system and the VCU, directly returning to the OFF state would waste time and computing resources. To address this, if the sending side sends an interaction signal for the first time but the receiving side does not receive it, the sending side can resend the interaction signal. The maximum number of times the sending side can resend the signal cannot exceed a preset threshold, thereby preventing the vehicle from returning to the OFF state due to accidental communication interruptions.

[0070] Furthermore, in one embodiment, the above method further includes:

[0071] When verifying the authentication key in the secondary anti-theft authentication of the PEPS system, if the VCU or PEPS system does not receive the interaction signal sent by the other party, and the number of repeated transmissions by the sending side has reached the set threshold, a communication fault code corresponding to the interaction signal will be output.

[0072] When verifying the authentication key in the secondary anti-theft authentication process of the PEPS system, if the authentication key sent by the PEPS system to the VCU fails verification, the corresponding authentication fault code will be output.

[0073] After the PEPS system completes the authentication key verification in the Level 2 anti-theft authentication, if the VCU detects that the necessary starting conditions of the vehicle are not met as expected, it will output the corresponding condition fault code.

[0074] In this embodiment, the sending side cannot send more than a preset threshold number of times, for example, it can only send repeatedly a maximum of three times. If the receiving side still does not receive the interaction signal after three times, it outputs a corresponding fault code. That is, if the VCU does not receive the authentication request signal, it outputs a fault code for the authentication request signal; if the PEPS system does not receive the random number, it outputs a fault code for the random number. By adding fault codes for anti-theft authentication failure, the system distinguishes between communication problems in sending and receiving information and authentication failures.

[0075] Furthermore, in one embodiment, the above method further includes:

[0076] The aforementioned communication fault codes, authentication fault codes, and condition fault codes are output in the form of voice information and / or visual information.

[0077] In this embodiment, fault codes are output in the form of voice information and / or visual information to improve the real-time and convenience of users obtaining fault codes and enhance user experience.

[0078] In one specific embodiment, refer to Figure 1 , Figure 1 This is a flowchart illustrating a specific embodiment of the two-level anti-theft authentication method of this application, as shown below. Figure 1 As shown, the two-level anti-theft authentication method includes:

[0079] Step S1: Determine if the user has brought the car key to the vicinity of the vehicle in the OFF position:

[0080] If so, proceed to step S2.

[0081] If not, proceed to step S17.

[0082] Step S2: The car key sends a fixed code to the PEPS system. Step S3: The PEPS system determines whether the fixed code has passed verification; if yes, proceed to step S4.

[0083] If not, proceed to step S17.

[0084] Step S4: Unlock the car door.

[0085] Step S5: Did the user open the car door within the specified time?

[0086] If so, proceed to step S6.

[0087] If not, proceed to step S17.

[0088] Step S6: Switch the vehicle status to ON.

[0089] Step S7: The PEPS system sends an authentication request signal to the VCU. Step S8: Does the VCU receive the authentication request signal?

[0090] If so, proceed to step S9.

[0091] If not, proceed to step S17.

[0092] Step S9: The VCU sends a random number to the PEPS system.

[0093] Step S10: Has the PEPS system received a random number?

[0094] If so, proceed to step S11.

[0095] If not, proceed to step S17.

[0096] Step S11: The PSPS system sends the authentication key to the VCU.

[0097] Step S12: Has the VCU received the authentication key?

[0098] If so, proceed to step S13.

[0099] If not, proceed to step S17.

[0100] Step S13: VCU determines whether the authentication key has passed verification.

[0101] If so, proceed to step S14.

[0102] If not, proceed to step S17.

[0103] Step S14: Did the user press the brake to start the engine within the specified time?

[0104] If so, proceed to step S15.

[0105] If not, proceed to step S17.

[0106] Step S15: The VCU determines whether the necessary charging conditions are met as expected.

[0107] If so, proceed to step S16.

[0108] If not, proceed to step S17.

[0109] Step S16: The vehicle status is switched to READY.

[0110] Step S17: Switch the vehicle status to OFF.

[0111] In steps S7, S9, and S11, the corresponding interactive information can be sent multiple times. In steps S8, S10, and S12, if it is determined that the corresponding interactive information has not been received, the other party is first prompted to resend. If the other party still does not receive it after multiple resends, the corresponding communication fault code is output. In step S13, if it is determined that the authentication key has failed verification, the corresponding authentication fault code is output. In step S15, if it is determined that the necessary vehicle starting conditions have not been met as expected, the corresponding condition fault code is output.

[0112] In step S14, if it is determined that the user has not pressed the brake to start the vehicle for a long time, a corresponding fault code can be output. Furthermore, if the vehicle status jumps back to OFF due to the user not pressing the brake to start the vehicle for a long time, the vehicle can be prompted to hibernate and the two-level anti-theft authentication will restart when the vehicle device wakes up the VCU.

[0113] If it is determined in step S5 that the user has not opened the car door within the specified time, the process jumps to step S17. After jumping to step S17, the next time the car key enters the vehicle detection range, it is necessary to meet two conditions: the fixed code information sent by the car key is authenticated by the PEPS system and the user opens the car door through the door handle. Only then will the VCU be woken up and enter the ON state, which means the process jumps to step S6.

[0114] Secondly, embodiments of this application also provide a two-level anti-theft authentication device.

[0115] In one embodiment, reference is made to Figure 2 , Figure 2 This is a functional module diagram of an embodiment of the two-level anti-theft authentication device of this application. Figure 2 As shown, the two-level anti-theft authentication device includes:

[0116] The adjustment control module 1 is used to switch the vehicle status to OFF when the first-level anti-theft authentication and the second-level anti-theft authentication of the PEPS system fail.

[0117] The functions of each module in the two-level anti-theft authentication device correspond to the steps in the two-level anti-theft authentication method embodiment, and their functions and implementation processes will not be described in detail here.

[0118] Thirdly, this application provides a two-level anti-theft authentication device, which can be a personal computer (PC), laptop computer, server or other device with data processing capabilities.

[0119] Reference Figure 3 , Figure 3 This is a schematic diagram of the hardware structure of the two-level anti-theft authentication device involved in the embodiments of this application. In this embodiment, the two-level anti-theft authentication device may include a processor, a memory, a communication interface, and a communication bus.

[0120] The communication bus can be of any type and is used to interconnect the processor, memory, and communication interface.

[0121] The communication interface includes input / output (I / O) interfaces, physical interfaces, and logical interfaces used for interconnecting components within the two-level anti-theft authentication device, as well as interfaces used for interconnecting the two-level anti-theft authentication device with other devices (such as other computing devices or user equipment). Physical interfaces can be Ethernet interfaces, fiber optic interfaces, ATM interfaces, etc. User equipment can be displays, keyboards, etc.

[0122] Memory can be various types of storage media, such as random access memory (RAM), read-only memory (ROM), non-volatile RAM (NVRAM), flash memory, optical storage, hard disk, programmable ROM (PROM), erasable PROM (EPROM), electrically erasable PROM (EEPROM), etc.

[0123] The processor can be a general-purpose processor, which can call the two-level anti-theft authentication program stored in the memory and execute the two-level anti-theft authentication method provided in the embodiments of this application. For example, the general-purpose processor can be a central processing unit (CPU). The method executed when the two-level anti-theft authentication program is called can be referred to in the various embodiments of the two-level anti-theft authentication method of this application, and will not be repeated here.

[0124] Those skilled in the art will understand that Figure 3 The hardware structure shown does not constitute a limitation of this application and may include more or fewer components than shown, or combine certain components, or have different component arrangements.

[0125] Fourthly, embodiments of this application also provide a computer-readable storage medium.

[0126] The computer-readable storage medium of this application stores a two-level anti-theft authentication program, wherein when the two-level anti-theft authentication program is executed by a processor, it implements the steps of the two-level anti-theft authentication method as described above.

[0127] The method implemented when the two-level anti-theft authentication procedure is executed can be referred to in the various embodiments of the two-level anti-theft authentication method of this application, and will not be repeated here.

[0128] It should be noted that the sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments.

[0129] The terms "comprising" and "having," and any variations thereof, in the specification, claims, and accompanying drawings of this application are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to such process, method, product, or apparatus. The terms "first," "second," and "third," etc., are used to distinguish different objects, etc., and do not indicate a sequence, nor do they limit "first," "second," and "third" to different types.

[0130] In the description of the embodiments of this application, terms such as "exemplary," "for example," or "for instance" are used to indicate examples, illustrations, or explanations. Any embodiment or design described as "exemplary," "for example," or "for instance" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or designs. Specifically, the use of terms such as "exemplary," "for example," or "for instance" is intended to present the relevant concepts in a concrete manner.

[0131] In the description of the embodiments of this application, unless otherwise stated, " / " means "or". For example, A / B can mean A or B. The "and / or" in the text is merely a description of the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of this application, "multiple" means two or more.

[0132] In some processes described in the embodiments of this application, multiple operations or steps are included in a specific order. However, it should be understood that these operations or steps may not be executed in the order they appear in the embodiments of this application, or they may be executed in parallel. The sequence number of the operation is only used to distinguish different operations, and the sequence number itself does not represent any execution order. In addition, these processes may include more or fewer operations, and these operations or steps may be executed sequentially or in parallel, and these operations or steps may be combined.

[0133] Through the above description of the embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus necessary general-purpose hardware platforms. Of course, they can also be implemented by hardware, but in many cases the former is a better implementation method. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) as described above, and includes several instructions to cause a terminal device to execute the methods described in the various embodiments of this application.

[0134] The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made using the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A two-level anti-theft authentication method, characterized in that, The method includes: When the Level 1 and Level 2 anti-theft authentications of the Smart Entry and Start (PEPS) system fail, the vehicle status is switched to OFF. During the first-level anti-theft authentication stage, after the car door is unlocked and the VCU is woken up, if the VCU does not receive the trigger signal of the door handle switch for a preset time, the vehicle status is switched to the OFF state. The next time the car key enters the vehicle detection range, when the fixed code information sent by the car key is authenticated by the PEPS system and the PEPS system detects that the user has opened the car door within a specified time, the vehicle controller (VCU) is woken up and the vehicle status is switched to the ON state. During the secondary anti-theft authentication stage, if the authentication key sent by the PEPS system fails to pass the VCU authentication, the user fails to apply the brakes to start the vehicle within the specified time, or other necessary conditions for starting the vehicle are not met as expected, the vehicle status is switched to OFF; the primary anti-theft authentication is re-performed to obtain the latest fixed code information, and secondary anti-theft authentication is performed based on the latest fixed code information.

2. The two-level anti-theft authentication method as described in claim 1, characterized in that, When the Level 2 anti-theft authentication of the PEPS system fails, the vehicle status is switched to OFF, which includes the following steps: After the authentication key sent by the PEPS system to the VCU is verified, if the VCU does not receive a start signal from the user pressing the brake pedal for a preset time, the vehicle status will be switched to OFF.

3. The two-level anti-theft authentication method as described in claim 1, characterized in that, The method further includes: After the authentication key sent by the PEPS system to the VCU is verified, if the VCU does not receive the user's brake start signal for more than a preset time, it will switch the vehicle status to OFF and output a vehicle sleep prompt. After the vehicle goes into sleep mode and the vehicle status is switched to OFF, if the on-board unit wakes up the VCU, the PEPS system will restart the two-level anti-theft authentication.

4. The two-level anti-theft authentication method as described in claim 1, characterized in that, The method further includes: When verifying the authentication key in the secondary anti-theft authentication of the PEPS system, if the VCU or PEPS system does not receive the interaction signal sent by the other party, the sending side will repeatedly send the interaction signal to the receiving side, and the number of repeated sending will not exceed the preset threshold. The interaction signals include an authentication request signal, a random number, and an authentication key.

5. The two-level anti-theft authentication method as described in claim 1, characterized in that, The method further includes: When verifying the authentication key in the secondary anti-theft authentication of the PEPS system, if the VCU or PEPS system does not receive the interaction signal sent by the other party, and the number of times the sending side repeatedly sends the signal has reached the set threshold, then the communication fault code corresponding to the interaction signal will be output. When verifying the authentication key in the secondary anti-theft authentication of the PEPS system, if the authentication key sent by the PEPS system to the VCU fails to pass verification, the corresponding authentication fault code will be output. After the PEPS system completes the authentication key verification in the Level 2 anti-theft authentication, if the VCU detects that the necessary starting conditions of the vehicle are not met as expected, it will output the corresponding condition fault code.

6. The two-level anti-theft authentication method as described in claim 5, characterized in that, The method further includes: The communication fault code, authentication fault code, and condition fault code are output in the form of voice information and / or visual information.

7. A two-level anti-theft authentication device, characterized in that, The device includes: The adjustment control module is used to switch the vehicle status to OFF when the first-level and second-level anti-theft authentication of the PEPS system fails. During the first-level anti-theft authentication stage, after the car door is unlocked and the VCU is woken up, if the VCU does not receive the trigger signal of the door handle switch for a preset time, the vehicle status is switched to the OFF state. The next time the car key enters the vehicle detection range, when the fixed code information sent by the car key is authenticated by the PEPS system and the PEPS system detects that the user has opened the car door within a specified time, the vehicle controller (VCU) is woken up and the vehicle status is switched to the ON state. During the secondary anti-theft authentication stage, if the authentication key sent by the PEPS system fails to pass the VCU authentication, the user fails to apply the brakes to start the vehicle within the specified time, or other necessary conditions for starting the vehicle are not met as expected, the vehicle status is switched to OFF; the primary anti-theft authentication is re-performed to obtain the latest fixed code information, and secondary anti-theft authentication is performed based on the latest fixed code information.

8. A two-level anti-theft authentication device, characterized in that, The two-level anti-theft authentication device includes a processor, a memory, and a two-level anti-theft authentication program stored in the memory and executable by the processor, wherein when the two-level anti-theft authentication program is executed by the processor, it implements the steps of the two-level anti-theft authentication method as described in any one of claims 1 to 6.

9. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a two-level anti-theft authentication program, wherein when the two-level anti-theft authentication program is executed by a processor, it implements the steps of the two-level anti-theft authentication method as described in any one of claims 1 to 6.

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