CN111709005A - Unlocking method and device for all-in-one education whiteboard, storage medium and all-in-one education whiteboard - Google Patents
Unlocking method and device for all-in-one education whiteboard, storage medium and all-in-one education whiteboard Download PDFInfo
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- CN111709005A CN111709005A CN202010352395.7A CN202010352395A CN111709005A CN 111709005 A CN111709005 A CN 111709005A CN 202010352395 A CN202010352395 A CN 202010352395A CN 111709005 A CN111709005 A CN 111709005A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/34—User authentication involving the use of external additional devices, e.g. dongles or smart cards
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
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Abstract
The invention discloses an unlocking method and device of an all-in-one machine education whiteboard, a storage medium and an all-in-one machine, wherein the method comprises the following steps: the education whiteboard monitors whether USB equipment is accessed in a USB interface of the education whiteboard in real time; when detecting that the USB equipment is accessed, the education white board scans the file information in the USB equipment; when a preset file for unlocking the education whiteboard is scanned, analyzing the preset file to obtain an unlocking unique identification code in the preset file; matching the unlocking unique identification code with an unlocking unique identification code of the education whiteboard stored in the education whiteboard; and when the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard, the education whiteboard executes unlocking operation. In the embodiment of the invention, the safe unlocking of the education whiteboard can be realized on the premise of not increasing the cost.
Description
Technical Field
The invention relates to the technical field of all-in-one machines, in particular to an unlocking method and device of an all-in-one machine education whiteboard, a storage medium and an all-in-one machine.
Background
An education electronic whiteboard in a classroom can be used after a teacher inputs a password, or can be used after being unlocked by swiping an NFC card, and can be unlocked by using a remote controller; by adopting the password or the unlocking mode of the remote controller, once the password is known by students, the password can be quickly transmitted inside the students, so that anyone can unlock the machine, and the damage to the machine or the loss of contents can be caused; the remote controller has the defect of inconvenient carrying due to huge body type; the NFC card is convenient to use, but an NFC receiving module needs to be added inside the electronic whiteboard, so that the manufacturing cost of the whole machine can be increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an unlocking method, device, storage medium and all-in-one machine for an all-in-one machine education whiteboard, which are convenient to carry and can realize safe unlocking of the education whiteboard on the premise of not increasing the cost, and equipment is not required to be unlocked due to password leakage.
In order to solve the technical problem, an embodiment of the present invention provides an unlocking method for an all-in-one machine education whiteboard, where the method includes:
the education whiteboard monitors whether USB equipment is accessed in a USB interface of the education whiteboard in real time;
when detecting that USB equipment is accessed, the education whiteboard scans file information in the accessed USB equipment;
when a preset file for unlocking the education whiteboard is scanned, analyzing the preset file to obtain an unlocking unique identification code in the preset file;
matching the unlocking unique identification code with an education whiteboard unlocking unique identification code stored in the education whiteboard;
and when the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard, the education whiteboard executes unlocking operation.
Optionally, the file format of the preset file is wb; the USB device information includes a serial number of the USB device, a manufacturer ID of the USB device, and a product ID of the USB device.
Optionally, the preset file forming process includes:
accessing USB equipment to upper computer equipment provided with the education whiteboard control system;
the upper computer device reads the serial number of the USB device, the manufacturer ID of the USB device and the product ID of the USB device;
the upper computer equipment encrypts the serial number of the USB equipment, the manufacturer ID of the USB equipment, the product ID of the USB equipment and the unique unlocking identification code for unlocking the education whiteboard to form a preset file;
and storing the preset file in the USB equipment.
Optionally, the host computer equipment will USB equipment's serial number, USB equipment's manufacturer ID, USB equipment's product ID and be used for the unblock the only identification code of unblock of education whiteboard encrypts, includes:
and the upper computer equipment encrypts the serial number of the USB equipment, the manufacturer ID of the USB equipment, the product ID of the USB equipment and the unique unlocking identification code for unlocking the education whiteboard by using a symmetric encryption algorithm DES.
Optionally, the unique unlocking identification code for unlocking the education whiteboard is generated by adding a specific timestamp to the education whiteboard control system according to the screen locking key of the education whiteboard.
Optionally, the preset file is analyzed, and USB device information in the preset file is further obtained.
Optionally, before the educational whiteboard performs the unlocking operation, the method further includes
The education whiteboard reads the information of the accessed USB equipment in the accessed USB equipment and matches the information of the accessed USB equipment with the information of the accessed USB equipment;
and when the accessed USB equipment information is matched with the USB equipment information, the education whiteboard executes unlocking operation.
In addition, the embodiment of the invention also provides an unlocking device of the all-in-one machine education whiteboard, which is characterized by comprising the following components:
a monitoring module: the system is used for the education whiteboard to monitor whether the USB interface of the whiteboard has the USB equipment;
a scanning module: the education whiteboard is used for scanning file information in the accessed USB equipment when the accessed USB equipment is detected;
an analysis module: the system comprises a database, a database server and a database, wherein the database is used for storing a preset file used for unlocking the education whiteboard;
a matching module: the unique unlocking identification code is used for matching with the unique unlocking identification code of the education whiteboard stored in the education whiteboard;
an unlocking module: and the unlocking operation is executed by the education whiteboard when the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the unlocking method according to any one of claims 1 to 7.
In addition, an embodiment of the present invention further provides an all-in-one machine device, which includes:
one or more processors;
a memory;
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more applications configured to: -executing the unlocking method according to any one of claims 1 to 7.
In the embodiment of the invention, the education whiteboard is unlocked by using the specially-arranged USB equipment, so that the unlocking can be realized on the premise of not increasing an equipment module, and the manufacturing cost of the equipment is not required to be increased; moreover, the student can log in the education whiteboard without worrying about password leakage, the education whiteboard can be damaged or the content stored in the internal edition can be lost, and the USB device is small and convenient to carry.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an unlocking method of an all-in-one education whiteboard in an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating an unlocking method of the all-in-one education whiteboard according to another embodiment of the present invention;
fig. 3 is a schematic structural component diagram of an unlocking device of the all-in-one education whiteboard in the embodiment of the invention;
fig. 4 is a schematic structural composition diagram of the all-in-one machine device in the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, an unlocking method of an all-in-one education whiteboard includes:
s11: the education whiteboard monitors whether USB equipment is accessed in a USB interface of the education whiteboard in real time;
in the specific implementation process of the invention, the education whiteboard monitors the level signal of the USB interface of the education whiteboard in real time through software or other monitoring modes after being started, and monitors whether USB equipment is accessed to the education whiteboard or not through the level signal of the USB interface.
S12: when detecting that USB equipment is accessed, the education whiteboard scans file information in the accessed USB equipment;
in the specific implementation process of the invention, when the level signal of the USB interface is monitored to be changed, namely when the accessed USB equipment is monitored, a corresponding scanning program is started in the education whiteboard, and the file information accessed in the USB equipment is scanned, mainly the file format of the file information is scanned.
S13: when a preset file for unlocking the education whiteboard is scanned, analyzing the preset file to obtain an unlocking unique identification code in the preset file;
in the specific implementation process of the present invention, the file format of the preset file is &.
Further, the preset file forming process includes: accessing USB equipment to upper computer equipment provided with the education whiteboard control system; the upper computer device reads the serial number of the USB device, the manufacturer ID of the USB device and the product ID of the USB device; the upper computer equipment encrypts the serial number of the USB equipment, the manufacturer ID of the USB equipment, the product ID of the USB equipment and the unique unlocking identification code for unlocking the education whiteboard to form a preset file; and storing the preset file in the USB equipment.
Further, host computer equipment will USB equipment's serial number, USB equipment's manufacturer ID, USB equipment's product ID and be used for the unblock the only identification code of unblock of education whiteboard encrypts, includes: and the upper computer equipment encrypts the serial number of the USB equipment, the manufacturer ID of the USB equipment, the product ID of the USB equipment and the unique unlocking identification code for unlocking the education whiteboard by using a symmetric encryption algorithm DES.
Further, the unique unlocking identification code for unlocking the education whiteboard is generated by adding a specific timestamp to the education whiteboard control system according to the screen locking key of the education whiteboard.
Specifically, when a file with a file format of wb exists in the USB device through scanning access, the file with the format is determined to be a preset file, because the preset file is generated through encryption of a symmetric encryption algorithm DES, the preset file is analyzed through a decryption mode called the encryption algorithm DES, and therefore the unique unlocking identification code in the preset file is obtained.
The preset file is formed by accessing the USB equipment into the upper computer equipment provided with the education whiteboard control system or directly accessing the USB equipment into the education whiteboard, and directly reading the serial number of the USB equipment, the manufacturer ID of the USB equipment and the product ID of the USB equipment through the upper computer or the education whiteboard; and then the upper computer encrypts the serial number of the USB equipment, the manufacturer ID of the USB equipment, the product ID of the USB equipment and the unique unlocking identification code for unlocking the education whiteboard by using a symmetric encryption algorithm DES, so as to form a preset file.
The unique unlocking identification code for unlocking the education whiteboard is formed, because the education whiteboard is not provided with a preset secret key when leaving a factory, the education whiteboard does not have the locking and unlocking functions at the moment, a switch is required to be added into a menu set in the education whiteboard, a screen locking secret key is introduced, the screen locking secret key and the number of the education whiteboard are input into an education whiteboard control system, the education whiteboard control system adds a specific timestamp in the screen locking secret key to generate the unique unlocking identification code, and the unique unlocking identification code of the education whiteboard can be modified in the education whiteboard control system subsequently; and the education whiteboard control system issues the formed receiving unique identification code to the education whiteboard for storage, and is subsequently used for matching and unlocking.
S14: matching the unlocking unique identification code with an education whiteboard unlocking unique identification code stored in the education whiteboard;
in the specific implementation process of the invention, after the unlocking unique identification code in the preset file is obtained, the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard.
S15: and when the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard, the education whiteboard executes unlocking operation.
In the specific implementation process of the invention, when the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard, the education whiteboard executes unlocking operation to realize the unlocking of the education whiteboard; when the USB device pulls out the education whiteboard, the education whiteboard automatically locks.
In the embodiment of the invention, the education whiteboard is unlocked by using the specially-arranged USB equipment, so that the unlocking can be realized on the premise of not increasing an equipment module, and the manufacturing cost of the equipment is not required to be increased; moreover, the student can log in the education whiteboard without worrying about password leakage, the education whiteboard can be damaged or the content stored in the internal edition can be lost, and the USB device is small and convenient to carry.
Examples
Referring to fig. 2, fig. 2 is a schematic flow chart illustrating an unlocking method of an all-in-one machine education whiteboard according to another embodiment of the present invention.
As shown in fig. 2, an unlocking method of an all-in-one education whiteboard includes:
s21: the education whiteboard monitors whether USB equipment is accessed in a USB interface of the education whiteboard in real time;
s22: when detecting that USB equipment is accessed, the education whiteboard scans file information in the accessed USB equipment;
s23: when a preset file for unlocking the education whiteboard is scanned, analyzing the preset file to obtain an unlocking unique identification code in the preset file;
s24: matching the unlocking unique identification code with an education whiteboard unlocking unique identification code stored in the education whiteboard;
specifically, the detailed description of the embodiments between S21 and S24 can be found in the above embodiments, and will not be repeated here.
S25: when the unlocking unique identification code is matched with an education whiteboard unlocking unique identification code stored in the education whiteboard, the education whiteboard reads access USB equipment information accessed into USB equipment and matches the access USB equipment information with the USB equipment information;
in the specific implementation process of the invention, the preset file is analyzed, and USB equipment information in the preset file is also obtained; the USB device information includes a serial number of the USB device, a manufacturer ID of the USB device, and a product ID of the USB device.
Specifically, the education whiteboard reads access USB device information in the access USB device, namely, a serial number of the access USB device, a manufacturer ID of the access USB device, and a product ID of the USB device, and then matches the access USB device information with the USB device information, wherein the USB device information includes the serial number of the USB device, the manufacturer ID of the USB device, and the product ID of the USB device.
S26: and when the accessed USB equipment information is matched with the USB equipment information, the education whiteboard executes unlocking operation.
In the specific implementation process of the invention, when the accessed USB equipment information is matched with the USB equipment information, the education whiteboard executes unlocking operation to realize the unlocking of the education whiteboard; when the USB device pulls out the education whiteboard, the education whiteboard automatically locks.
In the embodiment of the invention, the education whiteboard is unlocked by using the specially-arranged USB equipment, so that the unlocking can be realized on the premise of not increasing an equipment module, and the manufacturing cost of the equipment is not required to be increased; moreover, the student logs in the education whiteboard because of password leakage, the education whiteboard is possibly damaged or the content stored in the internal edition is lost, and the USB device is small and convenient to carry; and the client is not afraid of stealing the preset file in the USB equipment, and the education whiteboard can not be unlocked when the USB equipment information in the preset file is different from the read USB equipment information.
Examples
Referring to fig. 3, fig. 3 is a schematic structural composition diagram of an unlocking device of an all-in-one machine education whiteboard in the embodiment of the present invention.
As shown in fig. 3, an unlocking device of an all-in-one education whiteboard is characterized in that the device comprises:
the monitoring module 31: the system is used for the education whiteboard to monitor whether the USB interface of the whiteboard has the USB equipment;
in the specific implementation process of the invention, the education whiteboard monitors the level signal of the USB interface of the education whiteboard in real time through software or other monitoring modes after being started, and monitors whether USB equipment is accessed to the education whiteboard or not through the level signal of the USB interface.
The scanning module 32: the education whiteboard is used for scanning file information in the accessed USB equipment when the accessed USB equipment is detected;
in the specific implementation process of the invention, when the level signal of the USB interface is monitored to be changed, namely when the accessed USB equipment is monitored, a corresponding scanning program is started in the education whiteboard, and the file information accessed in the USB equipment is scanned, mainly the file format of the file information is scanned.
The analysis module 33: the system comprises a database, a database server and a database, wherein the database is used for storing a preset file used for unlocking the education whiteboard;
in the specific implementation process of the present invention, the file format of the preset file is &.
Further, the preset file forming process includes: accessing USB equipment to upper computer equipment provided with the education whiteboard control system; the upper computer device reads the serial number of the USB device, the manufacturer ID of the USB device and the product ID of the USB device; the upper computer equipment encrypts the serial number of the USB equipment, the manufacturer ID of the USB equipment, the product ID of the USB equipment and the unique unlocking identification code for unlocking the education whiteboard to form a preset file; and storing the preset file in the USB equipment.
Further, host computer equipment will USB equipment's serial number, USB equipment's manufacturer ID, USB equipment's product ID and be used for the unblock the only identification code of unblock of education whiteboard encrypts, includes: and the upper computer equipment encrypts the serial number of the USB equipment, the manufacturer ID of the USB equipment, the product ID of the USB equipment and the unique unlocking identification code for unlocking the education whiteboard by using a symmetric encryption algorithm DES.
Further, the unique unlocking identification code for unlocking the education whiteboard is generated by adding a specific timestamp to the education whiteboard control system according to the screen locking key of the education whiteboard.
Specifically, when a file with a file format of wb exists in the USB device through scanning access, the file with the format is determined to be a preset file, because the preset file is generated through encryption of a symmetric encryption algorithm DES, the preset file is analyzed through a decryption mode called the encryption algorithm DES, and therefore the unique unlocking identification code in the preset file is obtained.
The preset file is formed by accessing the USB equipment into the upper computer equipment provided with the education whiteboard control system or directly accessing the USB equipment into the education whiteboard, and directly reading the serial number of the USB equipment, the manufacturer ID of the USB equipment and the product ID of the USB equipment through the upper computer or the education whiteboard; and then the upper computer encrypts the serial number of the USB equipment, the manufacturer ID of the USB equipment, the product ID of the USB equipment and the unique unlocking identification code for unlocking the education whiteboard by using a symmetric encryption algorithm DES, so as to form a preset file.
The unique unlocking identification code for unlocking the education whiteboard is formed, because the education whiteboard is not provided with a preset secret key when leaving a factory, the education whiteboard does not have the locking and unlocking functions at the moment, a switch is required to be added into a menu set in the education whiteboard, a screen locking secret key is introduced, the screen locking secret key and the number of the education whiteboard are input into an education whiteboard control system, the education whiteboard control system adds a specific timestamp in the screen locking secret key to generate the unique unlocking identification code, and the unique unlocking identification code of the education whiteboard can be modified in the education whiteboard control system subsequently; and the education whiteboard control system issues the formed receiving unique identification code to the education whiteboard for storage, and is subsequently used for matching and unlocking.
The matching module 34: the unique unlocking identification code is used for matching with the unique unlocking identification code of the education whiteboard stored in the education whiteboard;
in the specific implementation process of the invention, after the unlocking unique identification code in the preset file is obtained, the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard.
The unlocking module 35: and the unlocking operation is executed by the education whiteboard when the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard.
In the specific implementation process of the invention, when the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard, the education whiteboard executes unlocking operation to realize the unlocking of the education whiteboard; when the USB device pulls out the education whiteboard, the education whiteboard automatically locks.
In the specific implementation process of the invention, the preset file is analyzed, and the USB equipment information in the preset file is also obtained.
Further, before the educational whiteboard performs the unlocking operation, the method further comprises
The education whiteboard reads the information of the accessed USB equipment in the accessed USB equipment and matches the information of the accessed USB equipment with the information of the accessed USB equipment; and when the accessed USB equipment information is matched with the USB equipment information, the education whiteboard executes unlocking operation.
Specifically, the education whiteboard reads access USB device information in the access USB device, namely, a serial number of the access USB device, a manufacturer ID of the access USB device, and a product ID of the USB device, and then matches the access USB device information with the USB device information, wherein the USB device information includes the serial number of the USB device, the manufacturer ID of the USB device, and the product ID of the USB device.
When the accessed USB equipment information is matched with the USB equipment information, the education white board executes unlocking operation to realize the unlocking of the education white board; when the USB device pulls out the education whiteboard, the education whiteboard automatically locks.
In the embodiment of the invention, the education whiteboard is unlocked by using the specially-arranged USB equipment, so that the unlocking can be realized on the premise of not increasing an equipment module, and the manufacturing cost of the equipment is not required to be increased; moreover, the student logs in the education whiteboard because of password leakage, the education whiteboard is possibly damaged or the content stored in the internal edition is lost, and the USB device is small and convenient to carry; and the client is not afraid of stealing the preset file in the USB equipment, and the education whiteboard can not be unlocked when the USB equipment information in the preset file is different from the read USB equipment information.
The computer-readable storage medium provided by the embodiments of the present invention stores a computer program thereon, and the computer program, when executed by a processor, implements the unlocking method according to any one of the embodiments. The computer-readable storage medium includes, but is not limited to, any type of disk including floppy disks, hard disks, optical disks, CD-ROMs, and magneto-optical disks, ROMs (Read-Only memories), RAMs (Random AcceSS memories), EPROMs (EraSable Programmable Read-Only memories), EEPROMs (Electrically EraSable Programmable Read-Only memories), flash memories, magnetic cards, or optical cards. That is, a storage device includes any medium that stores or transmits information in a form readable by a device (e.g., a computer, a cellular phone), and may be a read-only memory, a magnetic or optical disk, or the like.
The embodiment of the invention also provides a computer application program which runs on a computer and is used for executing the unlocking method of any one of the embodiments.
In addition, fig. 4 is a schematic structural composition diagram of the all-in-one machine device in the embodiment of the present invention.
The embodiment of the invention also provides all-in-one machine equipment, as shown in fig. 4. The all-in-one machine device comprises a processor 402, a memory 403, an input unit 404, a display unit 405 and the like. Those skilled in the art will appreciate that the device configuration means shown in fig. 4 do not constitute a limitation of all devices and may include more or less components than those shown, or some components in combination. The memory 403 may be used to store the application 401 and various functional modules, and the processor 402 executes the application 401 stored in the memory 403, thereby performing various functional applications of the device and data processing. The memory may be internal or external memory, or include both internal and external memory. The memory may comprise read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), flash memory, or random access memory. The external memory may include a hard disk, a floppy disk, a ZIP disk, a usb-disk, a magnetic tape, etc. The disclosed memory includes, but is not limited to, these types of memory. The disclosed memory is by way of example only and not by way of limitation.
The input unit 404 is used for receiving input of signals and receiving keywords input by a user. The input unit 404 may include a touch panel and other input devices. The touch panel can collect touch operations of a user on or near the touch panel (for example, operations of the user on or near the touch panel by using any suitable object or accessory such as a finger, a stylus and the like) and drive the corresponding connecting device according to a preset program; other input devices may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., play control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like. The display unit 405 may be used to display information input by a user or information provided to the user and various menus of the terminal device. The display unit 405 may take the form of a liquid crystal display, an organic light emitting diode, or the like. The processor 402 is a control center of the terminal device, connects various parts of the entire device using various interfaces and lines, and performs various functions and processes data by operating or executing software programs and/or modules stored in the memory 402 and calling data stored in the memory.
As an embodiment, the large screen all-in-one machine comprises: one or more processors 402, a memory 403, one or more applications 401, wherein the one or more applications 401 are stored in the memory 403 and configured to be executed by the one or more processors 402, the one or more applications 401 being configured to perform the unlocking method of any of the above embodiments.
In the embodiment of the invention, the education whiteboard is unlocked by using the specially-arranged USB equipment, so that the unlocking can be realized on the premise of not increasing an equipment module, and the manufacturing cost of the equipment is not required to be increased; moreover, the student logs in the education whiteboard because of password leakage, the education whiteboard is possibly damaged or the content stored in the internal edition is lost, and the USB device is small and convenient to carry; and the client is not afraid of stealing the preset file in the USB equipment, and the education whiteboard can not be unlocked when the USB equipment information in the preset file is different from the read USB equipment information.
In addition, the unlocking method, the device, the storage medium and the all-in-one machine of the all-in-one machine education whiteboard provided by the embodiment of the invention are described in detail, a specific embodiment is adopted herein to explain the principle and the implementation manner of the invention, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. An unlocking method of an all-in-one education whiteboard is characterized by comprising the following steps:
the education whiteboard monitors whether USB equipment is accessed in a USB interface of the education whiteboard in real time;
when detecting that USB equipment is accessed, the education whiteboard scans file information in the accessed USB equipment;
when a preset file for unlocking the education whiteboard is scanned, analyzing the preset file to obtain an unlocking unique identification code in the preset file;
matching the unlocking unique identification code with an education whiteboard unlocking unique identification code stored in the education whiteboard;
and when the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard, the education whiteboard executes unlocking operation.
2. The unlocking method according to claim 1, wherein the preset file has a file format of.wb.
3. The unlocking method according to claim 1, wherein the preset file forming process includes:
accessing USB equipment to upper computer equipment provided with the education whiteboard control system;
the upper computer device reads the serial number of the USB device, the manufacturer ID of the USB device and the product ID of the USB device;
the upper computer equipment encrypts the serial number of the USB equipment, the manufacturer ID of the USB equipment, the product ID of the USB equipment and the unique unlocking identification code for unlocking the education whiteboard to form a preset file;
and storing the preset file in the USB equipment.
4. The unlocking method according to claim 3, wherein the upper computer device encrypts the serial number of the USB device, the manufacturer ID of the USB device, the product ID of the USB device, and the unique unlocking identification code for unlocking the education whiteboard, including:
and the upper computer equipment encrypts the serial number of the USB equipment, the manufacturer ID of the USB equipment, the product ID of the USB equipment and the unique unlocking identification code for unlocking the education whiteboard by using a symmetric encryption algorithm DES.
5. The unlocking method according to claim 3, wherein the unique unlocking identifier for unlocking the educational whiteboard is generated by the educational whiteboard control system adding a specific time stamp to the screen locking key of the educational whiteboard.
6. The unlocking method according to claim 1, wherein the preset file is parsed, and USB device information in the preset file is also obtained; the USB device information includes a serial number of the USB device, a manufacturer ID of the USB device, and a product ID of the USB device.
7. The unlocking method according to claim 6, wherein before the educational whiteboard performs the unlocking operation, further comprising
The education whiteboard reads the information of the accessed USB equipment in the accessed USB equipment and matches the information of the accessed USB equipment with the information of the accessed USB equipment;
and when the accessed USB equipment information is matched with the USB equipment information, the education whiteboard executes unlocking operation.
8. An unlocking device of an all-in-one education whiteboard, characterized in that the device comprises:
a monitoring module: the system is used for the education whiteboard to monitor whether the USB interface of the whiteboard has the USB equipment;
a scanning module: the education whiteboard is used for scanning file information in the accessed USB equipment when the accessed USB equipment is detected;
an analysis module: the system comprises a database, a database server and a database, wherein the database is used for storing a preset file used for unlocking the education whiteboard;
a matching module: the unique unlocking identification code is used for matching with the unique unlocking identification code of the education whiteboard stored in the education whiteboard;
an unlocking module: and the unlocking operation is executed by the education whiteboard when the unlocking unique identification code is matched with the education whiteboard unlocking unique identification code stored in the education whiteboard.
9. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the unlocking method according to any one of claims 1 to 7.
10. An all-in-one machine device, characterized in that it comprises:
one or more processors;
a memory;
one or more applications, wherein the one or more applications are stored in the memory and configured to be executed by the one or more processors, the one or more applications configured to: -executing the unlocking method according to any one of claims 1 to 7.
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| CN202010352395.7A CN111709005A (en) | 2020-04-28 | 2020-04-28 | Unlocking method and device for all-in-one education whiteboard, storage medium and all-in-one education whiteboard |
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| CN202010352395.7A CN111709005A (en) | 2020-04-28 | 2020-04-28 | Unlocking method and device for all-in-one education whiteboard, storage medium and all-in-one education whiteboard |
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| CN114879985A (en) * | 2022-07-12 | 2022-08-09 | 广州朗国电子科技股份有限公司 | Method, device, equipment and storage medium for installing certificate file |
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