CN110740137A - Android equipment management method based on wifi direct connection without touch screen - Google Patents
Android equipment management method based on wifi direct connection without touch screen Download PDFInfo
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- CN110740137A CN110740137A CN201911006274.0A CN201911006274A CN110740137A CN 110740137 A CN110740137 A CN 110740137A CN 201911006274 A CN201911006274 A CN 201911006274A CN 110740137 A CN110740137 A CN 110740137A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
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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
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
Abstract
The invention provides Android device management methods based on wifi direct connection and without a touch screen, which include encrypting device data and then generating a two-dimensional code, scanning the two-dimensional code by a mobile terminal to obtain the encrypted device data and sending the encrypted device data to a background server, receiving and decrypting the device data by the background server to obtain the device data and sending the device data and operation data to the mobile terminal, receiving by the mobile terminal, setting operation content according to the device data and the operation data, then sending the operation content to the background server, receiving by the background server, generating new state information according to the operation content, encrypting the new state information and sending the new state information to the mobile terminal, connecting the mobile terminal to the device and forwarding the new state information to the device, decrypting by the device to obtain the new state information and operating according to the new state information, facilitating management of Android devices by users and ensuring data security.
Description
Technical Field
The invention relates to Android equipment management methods based on wifi direct connection and without a touch screen.
Background
At present, most Android devices on the market are provided with touch screens, such as mobile phones, POS machines, cash registers and the like, and the devices are provided with touch screens and related keys, so that corresponding setting software can be opened by directly touching the touch screens to control the devices.
At present, the control of the Android device without the touch screen mainly comprises the following measures:
1. simple control is performed through a remote controller, keys and the like, such as control of a television.
2. The equipment is controlled through the background, the terminal is networked and interacts with the background, and the background issues a control instruction to the designated terminal to control the terminal.
3. And inserting a peripheral control terminal such as a keyboard, a code scanning gun and the like.
For the above measures, it is often necessary to rely on other non-commonly used devices such as remote controllers, peripherals, etc. to perform device management, which is inconvenient in practical use, limited in operable control, and unable to guarantee security and authority management.
Disclosure of Invention
The technical problem to be solved by the invention is to provide Android device management methods based on wifi direct connection and without a touch screen, so that a user can conveniently manage the Android devices, and data safety is ensured.
The invention is realized in such a way that Android device management methods based on wifi direct connection without touch screen include:
step 1, encrypting equipment data, and then generating a two-dimensional code;
step 2, the mobile terminal scans the two-dimensional code, acquires encrypted equipment data and sends the encrypted equipment data to a background server;
step 3, the background server receives and decrypts the data to obtain the device data, and sends the device data and the operation data to the mobile terminal;
step 4, the mobile terminal receives the operation data, sets operation contents according to the equipment data and the operation data, and then sends the operation contents to the background server;
step 5, the background server receives the operation content, generates new state information according to the operation content, encrypts the new state information and sends the encrypted state information to the mobile terminal;
step 6, the mobile terminal is connected to the equipment and forwarded to the equipment;
and 7, decrypting by the equipment to obtain new state information, and operating according to the new state information.
, the step 1 and the step are specifically that the device generates the th random number, compresses and encrypts the device data and the th random number, then generates the two-dimensional code, and sets the valid time of the two-dimensional code.
, the step 3 and the step are specifically that the background server receives and decrypts the device data and the th random number, verifies the th random number, and sends the device data and the operation data to the mobile terminal if the verification is passed, otherwise, the process is finished.
, step 2 and step are specifically that the mobile terminal logs in the background server, scans the two-dimensional code, acquires the encrypted device data, and sends the encrypted device data to the background server.
, the step 5 and the step are specifically that the background server receives the operation content, generates new state information and a second random number according to the operation content, compresses and encrypts the new state information and the second random number, and then sends the compressed and encrypted state information and the second random number to the mobile terminal.
, the step 5 and the step are specifically that the background server receives, verifies the operation content according to the authority of the mobile terminal, if the operation content exceeds the authority, the operation is finished, otherwise, new state information and a second random number are generated according to the operation content, the new state information and the second random number are compressed and encrypted, and then the new state information and the second random number are sent to the mobile terminal.
, the step 7 and the step are specifically that the device decrypts to obtain new state information and a second random number, verifies the second random number, if the second random number passes the verification, the operation is performed according to the new state information, otherwise, the operation is ended.
, the step 7 and the step are specifically that the device decrypts to obtain new state information and a second random number, verifies the second random number, if the second random number passes the verification, operates according to the new state information and returns an operation result, otherwise, the operation is ended and returns the operation result.
Step , the mobile terminal displays the returned operation result and closes the connection with the equipment in step 8.
, the step 6 is a step , specifically, the mobile terminal is directly connected to the device through wifi and forwarded to the device.
The invention has the following advantages: the method and the system realize the management requirements of different roles such as developers, maintenance personnel, agents, merchants and the like on the Android equipment without the touch screen, such as terminal state switching, terminal debugging, terminal setting and terminal shutdown.
Drawings
The invention is further described with reference to the following examples and figures.
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a schematic block diagram of an embodiment of the present invention.
FIG. 3 is a timing diagram of an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the Android device management method based on wifi direct connection without a touch screen of the invention includes:
step 1, the device generates a random number, compresses and encrypts device data and the random number, then generates a two-dimensional code, and sets the effective time of the two-dimensional code;
step 2, the mobile terminal logs in a background server, scans the two-dimensional code, acquires encrypted equipment data and sends the encrypted equipment data to the background server;
step 3, the background server receives and decrypts the data to obtain the device data and the th random number, verifies the th random number, and sends the device data and the operation data to the mobile terminal if the verification is passed;
step 4, the mobile terminal receives the operation data, sets operation contents according to the equipment data and the operation data, and then sends the operation contents to the background server;
step 5, the background server receives the operation content, verifies the operation content according to the authority of the mobile terminal, and finishes the operation if the operation content exceeds the authority of the mobile terminal; if not, generating new state information and a second random number according to the operation content, compressing and encrypting the new state information and the second random number, and then sending the new state information and the second random number to the mobile terminal;
step 6, the mobile terminal is directly connected to the equipment through wifi and forwarded to the equipment;
step 7, decrypting to obtain new state information and a second random number, verifying the second random number, if the second random number passes the verification, operating according to the new state information, and returning an operation result; if not, ending and returning the operation result.
And 8, displaying the returned operation result by the mobile terminal, and closing the connection with the equipment.
kinds of specific implementation modes of the invention:
the invention provides the following scheme based on the Android equipment without a touch screen form, and in consideration of the scenes of no network environment, production flow, development and debugging, maintenance and operation, merchant management and the like of the equipment.
The system comprises a touch-screen-free Android terminal, a mobile phone and a background server.
The terminal comprises an information encryption module, a wifi direct connection module and a management module.
The mobile phone comprises an account authentication module, a code scanning module, an operation module and a wifi direct connection module.
The server side comprises a checking module and an information encryption module.
As shown in fig. 2, firstly, the terminal is used as a task origin, the terminal initiates a device management requirement to open wifi direct connection, device information (such as a CPUID, an SN number, a random number, a current device state, and the like) is encrypted by the terminal encryption module, and a two-dimensional code is generated.
After the mobile phone terminal successfully logs in through the background verification by using the account authentication module, the information is uploaded to the background through the two-dimensional code of the scanning terminal. And then the background server checks the account number and the terminal information and returns the information such as the check result, the current state of the terminal and the like to the mobile phone terminal.
The mobile phone end selects the management operation to be executed through operation selection, the operation information is uploaded to the background, and the background verifies information such as account operation authority through the verification module.
The background server encrypts the operation information, the target state of the terminal, the target operation and other information through the information encryption module and returns the information to the mobile phone.
The mobile phone end directly connects the encrypted information through wifi.
And the terminal management module decrypts the verification information and executes corresponding management operation.
As shown in fig. 3, the present invention is directed to the management of touchless Android devices. Corresponding schemes are provided.
1. The terminal is used as a task initiating source, the terminal initiates a device management requirement, device information (such as a CPUID, an SN number, a random number, a current device state and the like) is encrypted, wifi direct connection is opened, and a two-dimensional code is generated.
2. The mobile phone end manages the app to log in by using the mobile phone number and the short message verification code, and the background verifies the account number and the corresponding authority.
3. And after the login is completed, the mobile phone end management app pops up a code scanning frame.
4. And scanning the two-dimensional code generated by the equipment to be managed by using the mobile phone terminal app to acquire the equipment information.
5. And the mobile phone terminal app sends the acquired equipment information to the background server.
6. And the background decrypts the verification account number, the terminal authority, the binding information and the like, and returns a verification result and the existing information of the terminal to the mobile phone.
7. The mobile phone displays the existing information of the terminal, and the user can select the content to be operated.
8. The mobile phone uploads the operation content and the information to the background.
9. And the background combines the operation information with the equipment information decrypted by the previous private key and the like. And the new state information and the like are encrypted and then returned to the mobile phone end app.
10. And opening wifi direct connection by the mobile phone app, establishing wifi direct connection with the terminal, and transmitting the encrypted information returned by the background to the terminal through the wifi direct connection.
11. And the terminal decrypts and verifies the acquired new state information, the random number and the like, and executes corresponding operations of state switching, setting and the like.
12. And the terminal displays the result, returns the result to the mobile phone end through wifi direct connection, and closes the wifi direct connection.
13. And the mobile phone end receives the operation result returned by the terminal, displays the result and closes the wifi direct connection.
The specific process is as follows:
safety considerations:
1. the mobile phone end app tool and the background are encrypted and transmitted through an SSL protocol, and data are transmitted between the mobile phone end app and the terminal through a two-dimensional code.
2. The mobile phone terminal app identity authentication adopts a mobile phone number and short message verification code mode. The application and authorization of the account is granted by background operation.
3. The method comprises the steps that a public key is stored by a terminal in an asymmetric encryption mode, and public key encryption is carried out on sensitive data to be uploaded; the server side stores the private key, decrypts the received encrypted data, and encrypts the private key for the issued sensitive data.
4. And binding the state information with the CPUID information, and ensuring that the finally stored data is encrypted data issued by a background and cannot be tampered.
5. During data transmission, the data is secured against replay by a random number factor.
6. When the terminal acquires the equipment state, the terminal needs to decrypt the equipment state by using the local public key, then verifies the validity of the equipment information, and returns the actual state information
7. And storing the terminal public key file. System/etc/tmpub
The owner and group is system
Permission is 400
8. Terminal saved state file path/data/system/tmstus
The owner and group is system
Permission is 600
9. A terminal status attribute. Smartpda.tmstatus
(1)"0": production state
(2)"1": in use state
(3)"2": maintenance state
(4)"3": debug mode
(5)"4": attack state
10. Mobile phone terminal and background security
SSL one-way verification, and the mobile phone end verifies the background validity. The message transmission ssl is encrypted and not intercepted.
The private key is stored in the background, and the background can decrypt and verify to ensure that the terminal information is not tampered.
And checking the operation account number in the background, and managing and controlling the operation authority of the operation account number.
According to the technical scheme, the module comprises a terminal, a mobile phone end app and a background, and all the parts are designed as follows.
Management application of terminal
The state switching service of the terminal is mainly designed as follows:
1. an interface is provided for applications to trigger state switching functions.
And providing the package name and the Activity name of the two-dimensional code interface to the launcher, and calling or pressing a volume key combination to call the terminal management application main page by the launcher according to the requirement. The main page simultaneously shows the two-dimension code and the code scanning interface. The two-dimensional code comprises encrypted terminal information and the like, and the code scanning interface is used for preparing to scan the two-dimensional code generated by the mobile phone terminal.
2. And opening the wifi direct connection.
3. The terminal management application obtains terminal device information, state information, configuration settings, etc. and adds a random number for encryption.
In order to reduce the data volume of the two-dimensional code, gzip compression is carried out on json information to be encrypted before encryption.
The encryption adopts RSA encryption, and the encrypted ciphertext is encoded by ISO _8859_1 to reduce the length.
3. And generating the two-dimensional code by the encrypted information. The two-dimensional code and the random number give effective time. And refreshing the random number and the two-dimensional code when the valid time is up, re-calling the application, and completing the setting.
4. And receiving background return information sent by the mobile phone end app through wifi direct connection, and decrypting and checking the return information.
5. And executing corresponding state switching operation such as terminal setting, shutdown and restart and the like according to the decrypted and verified return information, and storing the ciphertext information into a/data/system/tmstatus area.
6. And (4) successfully switching the setting/state, broadcasting the result by voice, displaying the result and exiting the application. Setting a failure broadcast result, and displaying the result and backing the result back to the two-dimensional code main interface.
9. And prompting on the interface, and if the volume plus button is pressed for a long time, the terminal management can be quitted.
Mobile phone terminal equipment management application
The mobile phone terminal equipment management application is mainly designed as follows:
1. and (4) logging in by an account number, namely logging in by using a mobile phone number and a short message verification code, providing key logging function, reading the information of the mobile phone number, and logging in by using a verification code key of the own number.
2. The user registration needs to provide information such as mobile phone numbers, verification codes, names, company/ store addresses, company/ store names, post positions and the like, initiates registration to a background, and verifies relevant information by the background to endow corresponding authority to an account.
3. And if the account is successfully logged in, the mobile phone end application can scan the two-dimensional code on the terminal management application main interface.
After the two-dimension code of the terminal is scanned, the mobile phone terminal application sends the two-dimension code information to the background. And after the background checks the operation authority of the account and the terminal information, returning the non-sensitive information such as the current setting configuration, the serial number, the terminal state and the like of the terminal analyzed by the private key and the operation authority owned by the account to the mobile phone terminal.
4. And the mobile phone end displays a management menu of the operation authority corresponding to the account number, displays the current terminal information returned by the background and the like.
5. The user selects the management menu to be operated and sets a corresponding value. And uploading the operation information and the like to the background.
6. And the background checks account number authority, terminal operation authority and the like, completes assembly of operation information, new terminal state information and the like, encrypts the operation information and the new terminal state information by using an RSA private key, and returns the operation information and the new terminal state information to the mobile phone terminal. And after receiving the encrypted information returned by the background, the mobile phone end opens the wifi direct connection, establishes connection with the terminal and transmits the information to the terminal.
7. And after the terminal returns the operation result, the mobile phone end closes wifi direct connection, and can select whether to copy the current setting to another terminals, so as to facilitate batch setting.
Background of the invention
The background is mainly designed as follows:
1. and (4) logging in a mobile phone account, and checking a short message verification code.
2. And the account registration function is used for registering a mobile phone account and endowing the account with corresponding authority according to information such as role position of the account and the like.
The account registration is performed by background operation, and application information such as the name, company, position and the like of an applicant is required.
For different scenes, different account permissions need to be divided for each scene. Wherein the following:
production operator (including common operator and corresponding manager)
Bottom developer (including common developer and corresponding manager)
Support personnel (including common developers and corresponding managers)
Customer service (including common customer service, corresponding manager)
Customers (including merchants or secondary agents of the customer, the customer's associated responsible persons, etc.)
3. And binding and unbinding the terminal.
And if the state information of a certain terminal is firstly uploaded to the background and the account is a common merchant account, judging that the terminal automatically binds the account. And (4) background inputting the associated information of the terminal and the account number (namely, the account of the terminal two-dimensional code which is scanned for the first time is taken as the account of the owner).
If the state information of a certain terminal is not firstly uploaded to the background, namely the background already has the binding information of the terminal, whether the terminal is associated with the account or not is judged, and a corresponding verification result is returned.
The background account information is a group unit, and the binding information of the account numbers in the group to a certain terminal is shared (that is, in the same group of account numbers, if a certain account number binds to terminals, all account numbers in the group are considered to have bound to the terminal), the terminal can select to unbind to release the control right of the terminal to other account numbers.
The control right of production operators, developers, supporters and customer service to the terminal is not limited by account binding (namely, all terminals are bound by default to the account with special authority).
4. And different roles and different accounts are endowed with corresponding operation authorities.
5. And decrypting and checking the terminal information and the information such as state switching, setting and the like sent by the mobile phone terminal app by using an RSA private key, and returning a checking result and the existing information of the terminal to the mobile phone.
6. And encrypting new equipment state information, setting information, operation information and the like by using an RSA private key, and returning a verification result and the encrypted information to the mobile phone terminal.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (10)
1, Android equipment management method based on wifi direct connection without touch screen, which is characterized by comprising the following steps:
step 1, encrypting equipment data, and then generating a two-dimensional code;
step 2, the mobile terminal scans the two-dimensional code, acquires encrypted equipment data and sends the encrypted equipment data to a background server;
step 3, the background server receives and decrypts the data to obtain the device data, and sends the device data and the operation data to the mobile terminal;
step 4, the mobile terminal receives the operation data, sets operation contents according to the equipment data and the operation data, and then sends the operation contents to the background server;
step 5, the background server receives the operation content, generates new state information according to the operation content, encrypts the new state information and sends the encrypted state information to the mobile terminal;
step 6, the mobile terminal is connected to the equipment and forwarded to the equipment;
and 7, decrypting by the equipment to obtain new state information, and operating according to the new state information.
2. The method for managing Android devices based on wifi direct connection and no touch screen as claimed in claim 1, wherein the step 1 further specifically includes the steps of generating a th random number by the device, compressing and encrypting device data and the th random number, then generating a two-dimensional code, and setting effective time of the two-dimensional code.
3. The method for managing Android devices based on wifi direct connection and no touch screen as claimed in claim 2, wherein the step 3 further comprises the step of receiving and decrypting, by the background server, the device data and the th random number, verifying the th random number, if the verification is passed, sending the device data and the operation data to the mobile terminal, and if the verification is not passed, ending.
4. The Android device management method based on wifi direct connection and no touch screen of claim 1, characterized in that the step 2 further specifically includes the steps of the mobile terminal logging in to a background server, the mobile terminal scanning the two-dimensional code, obtaining encrypted device data, and sending the encrypted device data to the background server.
5. The method for managing Android devices based on wifi direct connection and no touch screen as claimed in claim 1, wherein the step 5 further specifically includes the steps of receiving, by the background server, the new state information and the second random number generated according to the operation content, compressing and encrypting the new state information and the second random number, and then sending the compressed and encrypted new state information and the second random number to the mobile terminal.
6. The method for managing Android devices based on wifi direct connection and without touch screen as claimed in claim 5, wherein the step 5 further is specifically that the background server receives, verifies the operation content according to the mobile terminal permission, if the operation content exceeds the permission, the operation is finished, otherwise, new state information and a second random number are generated according to the operation content, the new state information and the second random number are compressed and encrypted, and then the new state information and the second random number are sent to the mobile terminal.
7. The method for managing Android devices based on wifi direct connection and no touch screen according to claim 5, wherein the step 7 and the step are specifically that the devices decrypt to obtain new state information and a second random number, verify the second random number, if the second random number passes the verification, operate according to the new state information, and if not, end.
8. The method for managing Android devices based on wifi direct connection and no touch screen as claimed in claim 7, wherein the step 7 further specifically includes the steps of decrypting the devices to obtain new state information and a second random number, verifying the second random number, if the verification is passed, operating according to the new state information and returning an operation result, and if the verification is not passed, ending and returning the operation result.
9. The Android device management method based on wifi direct connection and no touch screen of claim 8, further comprising step 8, the mobile terminal displaying the returned operation result and closing connection with the device.
10. The method for managing Android devices based on wifi direct connection without touch screen according to claim 1, wherein the step 6 is further , specifically, the mobile terminal is directly connected to the device through wifi and forwarded to the device.
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| CN111951499B (en) * | 2020-07-28 | 2022-05-31 | 银盛支付服务股份有限公司 | Real-time push printing method and system based on intelligent POS terminal |
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