CN113904892B - Method for resetting vehicle operation password - Google Patents
Method for resetting vehicle operation password Download PDFInfo
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- CN113904892B CN113904892B CN202111086757.3A CN202111086757A CN113904892B CN 113904892 B CN113904892 B CN 113904892B CN 202111086757 A CN202111086757 A CN 202111086757A CN 113904892 B CN113904892 B CN 113904892B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
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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
- H04L9/3226—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 using a predetermined code, e.g. password, passphrase or PIN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a method for resetting a vehicle operation password, which overcomes the problems that the operation flow of resetting the password is complex and personal data is easy to lose in the prior art, and comprises the following steps: s1: clicking a forgotten password on a display interface, and sending a password resetting signal to a central controller by the display interface; s2: judging whether the central control receives the reset password signal or not, if so, pressing a key, and sending an infrared signal to the BCM of the vehicle body by the key; s3: judging whether the BCM receives the infrared signal, if so, sending a CAN instruction to the central control unit through a CAN network by the BCM; s4: judging whether the central control receives a CAN command, if so, executing a step S5; s5: and modifying the password and resetting the password. Password resetting operation does not pass through operator and platform, has very big promotion in the convenience, and the procedure is simple, and the operation of being convenient for can avoid user's personal data to lose simultaneously, promotes the object for appreciation nature.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a method for resetting a vehicle operation password.
Background
The traditional vehicle-mounted central control forgets the password and then processes the password in a mechanized way, a physical method is adopted to forcibly reset the password, the operation process is complex, related tools are needed, and personal processing cannot be carried out anytime and anywhere; the intelligent vehicle is not intelligent enough, and the requirements of high-intelligent new energy vehicles in the market cannot be matched. The current market for forgotten password resetting in a vehicle device generally includes two types:
firstly, personal authentication is achieved by means of a 4G network and a cloud platform, identity information is checked by means of binding a user mobile phone number, when a password touch screen signal is forgotten through triggering, a verification code is issued to a terminal through a 4G network operator, a user uploads the verification code to the platform to check whether data are consistent or not, if the data are consistent and acquiescent as safe users, a central control receives a platform signal instruction, a password setting interface is displayed to reset the password, the safety is high, but the safety is too complex in a vehicle-mounted system, and the use degree is not high.
Secondly, through the mode of factory setting restoration, a user directly clicks in a central control system setting interface to restore the factory setting when forgetting the password, all personal data can be lost while resetting the password, great influence is generated on the use of the user, and both functions cannot be considered.
The invention discloses a password resetting method, password resetting equipment and a readable storage medium named as a security device in 8.9.2019 of the Chinese patent office, wherein the disclosure number is CN 110519B, and the password resetting method of the security device comprises the following steps: after receiving a password resetting application sent by a user, sending a check code obtaining instruction to an equipment password resetting unit of the security device, and receiving a check code returned by the equipment password resetting unit according to the check code obtaining instruction; sending the check code and the password resetting request to a server, and receiving a response code returned by the server according to the check code and the password resetting request; and sending the response code and the password resetting instruction to the equipment password resetting unit so as to receive the reset password returned by the equipment password resetting unit according to the password resetting instruction after the equipment password resetting unit of the security device verifies the received response code. When the password of the security device is reset, the password is only reset, and the original equipment parameters of the security device are not influenced. However, the vehicle-mounted system is too complicated and is not highly used.
Disclosure of Invention
The invention aims to overcome the problems in the description and provides a method for resetting a vehicle operation password, which is characterized in that the password resetting operation does not pass through an operator and a platform, is greatly improved in convenience, simple in procedure and convenient to operate, and can avoid personal data loss of a user and improve the playability.
In order to achieve the purpose, the invention adopts the following technical scheme: a method for resetting a vehicle operating code, comprising the steps of:
s1: clicking the forgotten password on the display interface, and sending a password resetting signal to the central control through the display interface;
s2: judging whether the central control receives a reset password signal or not, if so, pressing a key, and sending an infrared signal to the BCM of the vehicle body by the key;
s3: judging whether the BCM receives the infrared signal, if so, sending a CAN instruction to the central control unit through a CAN network by the BCM;
s4: judging whether the central control receives a CAN command, if so, executing a step S5, and if not, not allowing the password to be revised again;
s5: and modifying the password and resetting the password.
A CAN network, i.e. a controller area network bus, is a serial communication protocol bus for real-time applications. The BCM, namely the vehicle body control module, has the main function of realizing a discrete control function and controlling a plurality of electric appliances. The vehicle operation password resetting method comprises a novel trigger password resetting mode, a password resetting response mode, an authorized password updating authentication mode, signal data processing and the like. Different user groups use different vehicle using requirements. The acceptability of the entity key in the current market is higher, the entity key is presented in different modes by adopting the same principle to meet the requirements of different users in different stages, and the entity key is convenient to iterate if needed subsequently. Compared with the traditional password resetting mode, the password resetting method has the advantages that the traceability is improved, the original information cannot be lost, the password resetting operation does not pass through an operator and a platform, the convenience is greatly improved, the procedure is simple, the operation is convenient, meanwhile, the personal data of a user can be prevented from being lost, and the playability is improved.
Preferably, in step S2, if the central control unit receives the reset password signal, the display interface may have a reset password prompt box, and the prompt content is as follows: the key is pressed for unlocking within a specified time to modify the code. If the prompt box does not appear, the central controller does not receive the reset password signal. The prescribed time is preferably 30 seconds.
Preferably, in step S2, if the central control unit does not receive the reset password signal, the central control unit clicks the forgotten password again or presses the forced reset button. The central control unit does not receive the reset password signal, and the display interface is not sensitive, and at the moment, the central control unit can click the forgotten password again or press a forced reset button connected with the central control unit to finish the operation of sending the reset password signal.
Preferably, in step S3, the indication that the vehicle body BCM receives the infrared signal is: and a prompt box for receiving the infrared signal appears on the display interface. The prompt box CAN display that the infrared signal is received and a CAN instruction is sent to the central control unit, or only display that the infrared signal is received. If only the infrared signal is received, the BCM of the vehicle body cannot send the CAN command to the central control unit, and the password resetting operation cannot be carried out. And if the prompt box does not appear, the BCM of the vehicle body does not receive the infrared signal.
Preferably, in step S3, if the body BCM receives the infrared signal for a predetermined time, it is also determined that the infrared signal is not received. And a set time is set, so that the efficiency of resetting the password is improved.
Preferably, in step S3, if the body BCM does not receive the infrared signal, the key is pressed again, and if the body BCM still cannot receive the infrared signal, the key or the body BCM needs to be detected. The body BCM does not receive the infrared signal, and may be that the key buttons are not sensitive, and after the key is pressed again, if the infrared signal is not received yet, and it may be that the key or the body BCM has a problem, it needs to be detected.
Preferably, in step S4, the central controller receives the CAN command within 30 seconds after receiving the reset password signal, and determines that the CAN command is not received after 30 seconds. 30 seconds is only one time preferred by the present invention and does not mean that this time is only 30 seconds.
Preferably, in step S4, the flag of the central control receiving the CAN command is: the display interface can be provided with an operation password prompt box, and the prompt content is as follows: a new password is entered. And inputting a new password in the presented operation password prompt box, and finishing the resetting of the password.
Preferably, the key in step S2 may be a key on an entity key, or may be a virtual key in the mobile device APP; the key for sending the infrared signal can be an entity key or a mobile device. The acceptability of the entity key in the current market is higher; but different user groups use different car-using demands, so that the APP can be used for replacing an entity key, and the practicability is increased.
Therefore, the invention has the following beneficial effects: 1. the logic closed loop is formed by the central control unit, the BCM and the key, so that the operation is convenient and fast under the condition of safety, the customer requirements can be met, the operation is simple, and the logic is clear; 2. password resetting operation does not pass through an operator and a platform, convenience is greatly improved, procedures are simple, and operation is convenient; 3. personal data of a user can be prevented from being lost, and the playability is improved; 4. unnecessary data interaction is reduced without a TSP platform, and cost for realizing functions is saved.
Drawings
FIG. 1 is a flow chart of the operation of the method of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
in the embodiment shown in fig. 1, a method for resetting a vehicle operation code can be seen, which comprises the following steps:
the first step is as follows: when the password is forgotten, the forgotten password is clicked on the display interface, and the display interface sends a password resetting signal to the central control unit
The second step is that: judging whether the central control receives the reset password signal, if so, pressing a key, and sending an infrared signal to the BCM of the vehicle body by the key
Whether the central control receives a signal of resetting the password is judged, if yes, a display interface presents a prompt box of the resetting password within 10 seconds, and the prompt content is as follows: pressing the key within 30 seconds unlocks to modify the code. After seeing the prompt box, a key is pressed within 30 seconds, and the key sends an infrared signal to the BCM of the vehicle body. If the central control unit does not receive the signal of resetting the password, the display interface does not have a prompt box of resetting the password within 10 seconds, the forgotten password can be clicked again on the display interface, and if the central control unit still does not receive the signal of resetting the password, a key for forced resetting can be pressed.
The third step: judging whether the BCM of the vehicle body receives the infrared signal or not, if so, sending a CAN instruction to the central control unit through the CAN network by the BCM of the vehicle body
After the BCM of the vehicle body receives the infrared signals, the BCM of the vehicle body CAN actively send CAN instructions to the central control unit through a CAN network, meanwhile, a prompt box for receiving the infrared signals appears on the display interface within 10 seconds, the prompt box CAN display that the infrared signals are received and the CAN instructions are sent to the central control unit, or only display that the infrared signals are received. If only the infrared signal is received, the BCM of the vehicle body cannot send a CAN command to the central control unit, the password resetting operation cannot be carried out, and the BCM of the vehicle body needs to be checked. If the prompt box does not appear, the fact that the BCM does not receive the infrared signals indicates that the key needs to be pressed again, and if the BCM still cannot receive the infrared signals, the key or the BCM needs to be detected.
The fourth step: judging whether the central control receives the CAN command, if so, executing the fifth step, and if not, not allowing to modify the password again
The central control receives the CAN command of opening the password setting interface within 30 seconds after receiving the reset password signal, the password is allowed to be revised again, the display interface CAN have a prompt box for setting the operation password at the moment, and the prompt content is as follows: a new password is entered. If the central control unit does not receive the CAN command or receives the CAN command 30 seconds after receiving the reset password signal, the password is not allowed to be modified again, and the first step to the fourth step need to be repeated.
The fifth step: modifying the password and resetting the password
And pressing a new password in a password setting prompt box of the operation appearing on the display interface to complete the password resetting operation.
The invention forms a logic closed loop through the central control, the BCM and the key, ensures convenient operation under the condition of safety and can also meet the requirements of customers; the operation is simple and the logic is clear. The infrared ray is used for triggering the vehicle controller to issue an instruction, and meanwhile, the in-vehicle controller and the vehicle key are used for forming closed-loop logic of requirement triggering, analysis, authentication and execution. 1. Unnecessary data interaction is reduced without a TSP platform, and cost for realizing functions is saved.
The above-described embodiment is a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. A method for resetting a vehicle operating code, comprising the steps of:
s1: clicking a forgotten password on a display interface, and sending a password resetting signal to a central controller by the display interface;
s2: whether the central control receives the reset password signal or not is judged, if the central control receives the reset password signal, a reset password prompt box appears on the display interface within 10 seconds, and the prompt content is as follows: pressing a key for unlocking within a specified time to modify the password; pressing a key, and sending an infrared signal to a BCM (body control message) of the vehicle by the key;
s3: judging whether the BCM of the vehicle body receives the infrared signal or not, and if so, sending a CAN command to the central control through a CAN network by the BCM of the vehicle body;
s4: judging whether the central control receives the CAN command, if so, executing the step S5, and if not, not allowing to modify the password again; the marks of the central control receiving the CAN command are as follows: the display interface can be provided with an operation password prompt box, and the prompt content is as follows: inputting a new password;
s5: and modifying the password and resetting the password.
2. The method as claimed in claim 1, wherein in step S2, if the central control unit does not receive the reset password signal, the central control unit clicks the forgotten password again or presses a forced reset button.
3. The method for resetting the vehicle operation code according to claim 1, wherein in step S3, the indication that the vehicle body BCM receives the infrared signal is: and a prompt box for receiving the infrared signal appears on the display interface.
4. The method as claimed in claim 1, wherein in step S3, the infrared signal is considered not received if the body BCM receives the infrared signal for more than 30 seconds.
5. The method for resetting the vehicle operation code according to the claim 1, 3 or 4, wherein in the step S3, if the BCM of the vehicle body does not receive the infrared signal, the key is pressed again, and if the BCM of the vehicle body still cannot receive the infrared signal, the key or the BCM of the vehicle body needs to be detected.
6. The method as claimed in claim 1, wherein in step S4, the central control unit receives the CAN command within 30 seconds after receiving the reset password signal, and the CAN command is considered not received within more than 30 seconds.
7. The method for resetting the vehicle operation code according to claim 1, wherein the key in step S2 may be a key on a physical key or a virtual key in the mobile device APP; the key for sending the infrared signal can be an entity key or a mobile device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111086757.3A CN113904892B (en) | 2021-09-16 | 2021-09-16 | Method for resetting vehicle operation password |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111086757.3A CN113904892B (en) | 2021-09-16 | 2021-09-16 | Method for resetting vehicle operation password |
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| CN113904892A CN113904892A (en) | 2022-01-07 |
| CN113904892B true CN113904892B (en) | 2022-12-30 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100794177B1 (en) * | 2005-12-28 | 2008-01-11 | 두산인프라코어 주식회사 | Burglarproof method of vehicle |
| CN102611556B (en) * | 2012-03-31 | 2014-10-29 | 飞天诚信科技股份有限公司 | Working method of dynamic token |
| CN104637125B (en) * | 2013-11-11 | 2019-02-26 | 比亚迪股份有限公司 | A kind of system and method for mobile terminal control vehicle |
| GB2538774A (en) * | 2015-05-28 | 2016-11-30 | Vodafone Ip Licensing Ltd | Setting a password on a device |
| CN105869237A (en) * | 2015-10-21 | 2016-08-17 | 乐卡汽车智能科技（北京）有限公司 | Vehicle short-range keyless password door lock device and vehicle unlocking/locking method |
| DE102017209961B4 (en) * | 2017-06-13 | 2022-05-25 | Volkswagen Aktiengesellschaft | Method and device for authenticating a user on a vehicle |
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