TWI393022B - Mobile termination having anti-theft function and anti-theft method thereof - Google Patents

Description

Mobile terminal with anti-theft function and anti-theft method thereof

The invention relates to a mobile terminal, in particular to a mobile terminal with anti-theft function and an anti-theft method thereof.

With the continuous development of electronic technology and computer technology, the hardware performance and software functions of mobile phones have been greatly improved, and it has become a powerful assistant in people's lives. The mobile phone conveniently stores a large amount of private data, such as contact telephone numbers. Communication records, memos, or bindings with game providers, value-added service providers' account numbers, passwords, etc., or no-time, regional call and access services, or community gates, doors, doors, offices The "access control" function of the door, safe, car, computer, and mobile hard disk can cause huge losses to legitimate users once the mobile phone is stolen or lost.

At present, the most commonly used anti-theft method is to prevent the user from changing the card after the card is stolen by setting the power-on password. However, for this anti-theft method, the user must input the power-on password every time the user turns on, which makes the operation extremely inconvenient, and many users will not set the power-on password, so that the phone can be used after being stolen. Moreover, this anti-theft method can not prevent illegal users from using the hacker software to crack the password and then steal the data on the user's mobile phone.

In view of the above, it is necessary to provide a mobile terminal with anti-theft function and an anti-theft method thereof to avoid loss of data stolen by the user stored on the mobile terminal.

A mobile terminal with anti-theft function includes a central processing unit, a storage unit and a user identification card reading unit for reading a user identification card, the storage unit including a register and an anti-theft for handling anti-theft operation The module includes an encryption/binding module, a password comparison module, a lock/unlock module, and a data deletion module, and the central processor can invoke the encryption/binding module to An anti-theft password is bound to the user identification card data, and the anti-theft password is recorded in the register; the central processor can call the password comparison module to take the anti-theft password from the register and associate it with the user Identifying the card data for comparison; the central processor may call the lock/unlock module to lock or unlock the mobile terminal; the central processor may invoke the data deletion module to perform a delete operation when the mobile phone is used for the first time Inserting a user identification card when the terminal is turned on, and setting an anti-theft password through the pop-up password input window after booting, the central processor calls the encryption/binding module to activate the anti-theft password. The user identification card data is bound, and the anti-theft password is recorded in the register. When the mobile terminal is powered on again, the central processor calls the password comparison module to take the anti-theft password from the register and Comparing with the user identification card data in the mobile terminal, calling the lock/unlock module to lock the mobile terminal when the two do not match, and popping up the password input window again after the mobile terminal replaces the user identification card is locked, The central processor calls the password comparison module to determine whether the anti-theft password input by the user is correct. When the user inputs the correct anti-theft password, the central processor calls the lock/unlock module to unlock the mobile terminal, and the central processor Invoking the encryption/binding module to re-bind the anti-theft password with the replaced user identification card data; when the input anti-theft password is incorrect, the central processing unit calls the data deletion module to record the operation data, if The correct anti-theft password is entered within a preset time, and the central processor calls the lock/unlock module to move the end Unlocking, and the central processor calls the encryption/binding module to bind the anti-theft password to the replaced user identification card data. If the correct anti-theft password is not input within the preset time, the central The processor calls the data deletion module to delete the user resource data in the mobile terminal storage unit.

A mobile terminal anti-theft method with anti-theft function includes the following steps:

When the mobile terminal is used for the first time, a user identification card is inserted, and after the power is turned on, an anti-theft password is set through the pop-up password input window, and the central processor calls the encryption/binding module to the anti-theft password and the user identification card data. Binding, and recording the anti-theft password in the register; the central processor calls the password comparison module to take the anti-theft password from the register and compare it with the user identification card data in the mobile terminal, If the two match, the mobile terminal enters a subsequent normal operation process; if the two do not match, the central processor calls the lock/unlock module to lock the mobile terminal; when the mobile terminal replaces the user identification card and is locked, the second terminal pops up again. The password input window, the central processor calls the password comparison module to determine whether the anti-theft password input by the user is correct. If the user inputs the correct anti-theft password, the central processor calls the lock/unlock module to unlock the mobile terminal. And the central processor calls the encryption/binding module to re-identify the anti-theft password with the replaced user. The card data is bound, and then the mobile terminal enters a subsequent normal operation process; if the anti-theft password input by the user is incorrect, the central processor calls the data deletion module to record the operation data, and after a preset time, if the user After re-entering the correct anti-theft password during this time, the central processor calls the lock/unlock module to unlock the mobile terminal, and the central processor calls the encryption/binding module to re-enable the anti-theft password. Binding with the replaced user identification card data, and then the mobile terminal enters a subsequent normal operation process; and if the user does not re-enter the correct anti-theft password within the preset time, the central processor calls the data deletion module to execute The deletion operation deletes various resource data of the user in the storage unit of the mobile terminal.

Compared with the prior art, the mobile terminal sets an anti-theft password through the password comparison module and binds it to the user identification card data of the owner, so that the user needs to be dense when inserting other user identification cards. Code registration, if the user does not re-enter the correct anti-theft password, the lock/unlock module locks the mobile terminal, and after a predetermined time, the data deletion module will perform a delete operation, that is, the mobile terminal memory The user's various resource data is deleted, thereby avoiding the loss of the data stored by the user on the mobile terminal being stolen.

10‧‧‧Central processor

20‧‧‧ storage unit

22‧‧‧ Register

24‧‧‧Anti-theft module

240‧‧‧Encryption/Binding Module

242‧‧‧Password comparison module

244‧‧‧Lock/unlock module

246‧‧‧Data Delete Module

248‧‧‧Data reading module

30‧‧‧User Identification Card Reading Unit

40‧‧‧ keyboard

50‧‧‧ monitor

1 is a partial block diagram of a preferred embodiment of a mobile terminal with anti-theft function according to the present invention.

2 is a block diagram of the anti-theft module of FIG.

3 is a flow chart of a preferred embodiment of a mobile terminal anti-theft method with anti-theft function according to the present invention.

Referring to FIG. 1 and FIG. 2, a preferred embodiment of the mobile terminal with the anti-theft function of the present invention is described by taking a mobile phone as an example, and includes a central processing unit 10, a storage unit 20, and a user identification card reading unit 30. A keyboard 40, a monitor 50, and auxiliary circuits and antennas (not shown). The storage unit 20 includes a register 22 and an anti-theft module 24 for handling anti-theft operations. The central processing unit 10 is connected to the storage unit 20 for invoking data or a program of the storage unit for related processing. The user identification card reading unit 30 is connected to the central processing unit 10. The user places a user identification card, such as a SIM (Subscriber Identity Module) card, so that the central processing unit 10 communicates with the user identification card. The keyboard 40 is coupled to the central processing unit 10 for the user to input corresponding commands to the central processing unit 10 for corresponding processing. The monitor 50 is coupled to the central processing unit 10 for providing a user operating window.

The anti-theft module 24 includes an encryption/binding module 240, a password comparison module 242, a lock/unlock module 244, a data deletion module 246, and a data reading module 248. To handle the anti-theft operation of the phone.

The storage unit 20 is further configured to store various resource data of the owner, when the owner uses the mobile phone for the first time. When a SIM card is inserted, an anti-theft password is set in the password input window popped up in the monitor 50 through the keyboard 40, and the central processing unit 10 calls the encryption/binding module 240 in the anti-theft module 24 to The anti-theft password is bound to the SIM card data, and the anti-theft password is recorded in the register 22.

With continued reference to FIG. 3, a preferred embodiment of the anti-theft method for a mobile terminal with anti-theft function includes the following steps:

In step S1, when the user is powered on again, the central processing unit 10 first calls the password comparison module 242 in the anti-theft module 24 to retrieve the anti-theft password from the register 22 and compare it with the SIM card data in the mobile phone. Yes, if the two match, the phone enters the subsequent normal operation process.

In step S2, if the two do not match (ie, the password is not matched when another SIM card is replaced), the central processing unit 10 calls the lock/unlock module 244 in the anti-theft module 24 to perform the mobile phone. locking.

Step S3, after the mobile phone replacement SIM card is locked, the password input window is popped up again, and the central processing unit 10 calls the password comparison module 242 in the anti-theft module 24 to determine whether the anti-theft password input by the user is correct, if the user input is correct. The anti-theft password, the central processing unit 10 calls the lock/unlock module 244 in the anti-theft module 24 to unlock the mobile phone. At this time, the central processing unit 10 calls the encryption/binding module in the anti-theft module 24. 240 will bind the anti-theft password to the replaced SIM card data, and then the mobile phone enters the subsequent normal operation process.

In step S4, if the anti-theft password input by the user is incorrect, the central processing unit 10 calls the data deletion module 246 in the anti-theft module 24 to record the operation data, and after a predetermined period of time (for example, 24 hours) According to actual needs, if the user re-enters the correct anti-theft password during this time, the central processing unit 10 calls the lock/unlock module 244 in the anti-theft module 24 to unlock the mobile phone. The central processing unit 10 calls the encryption in the anti-theft module 24 The binding module 240 re-binds the anti-theft password with the replaced SIM card data, and then the mobile phone enters a subsequent normal operation process.

In step S5, if the user does not re-enter the correct anti-theft password within the preset time, the central processing unit 10 calls the data deletion module 246 in the anti-theft module 24 to perform a deletion operation, that is, the user in the mobile phone storage unit 20. The various resource data is deleted, and the deleted data is transmitted to the pre-registered network hard disk or other network terminal through the additional service provided by the network operator before being deleted, so that it can be retrieved. If the user thinks that the various resource data on the mobile phone is not important or for other reasons, it can be saved without transferring the deleted data to the pre-registered network hard disk or other network terminal through the additional service provided by the network operator. The cost incurred between network operators.

Step S6, after deleting the data, the central processing unit 10 calls the data reading module 248 in the anti-theft module 24 to read the data of the replaced SIM card, and the data is provided by the network operator. The service is transmitted to a pre-registered network hard drive or other network terminal to learn the illegal user's SIM card data, so that the investigation department can be provided with clues. The step S6 can also be set in other steps after the SIM card is replaced or not, and can be selected according to requirements. The additional service provided by the network operator is bound to the mobile phone in advance, and the network operator can provide the additional service and sign a related agreement with the owner, so that no matter which SIM is used by the illegal user. Cards, the owner can obtain the relevant data on the illegal user SIM through the additional services provided by the network operator.

Since the anti-theft password is bound to the SIM card data, as long as the SIM card is not replaced, it is not necessary to re-enter the anti-theft password after booting, which is very convenient for the user. In addition, the user can input a lock card command or a delete command to the network operator's user operating system platform through another mobile phone or a networked computer. After the mobile phone receives the lock card command or deletes the command through the antenna, the mobile phone The central processor 10 calls the lock/unlock module 244 or the data deletion module 246 will be lost. The latter mobile phone locks or deletes various resource data of the user in the storage unit 20.

The following is an example to illustrate the anti-theft method of the mobile phone. When the mobile phone is lost, the owner can first input a lock card instruction to the network operator's user operating system platform through another mobile phone or a networked computer. After receiving the lock card command, the lost mobile phone is locked; at this time, the illegal user who gets the mobile phone cannot use the SIM card of the original owner to operate the mobile phone, so it may replace the SIM card to use the mobile phone. After replacing the new SIM card, the replaced SIM card is not bound to the anti-theft password, so the mobile phone is still locked, so the illegal user cannot use the mobile phone even after replacing the SIM card; subsequently, the illegal user It is also possible to decrypt the mobile phone through other hacking software, but at this time, the data deletion module 246 in the anti-theft module 24 has recorded the above operation data, and after a predetermined time, the deletion operation will be performed (the owner can also use Another remote control of the mobile phone performs the deletion operation, that is, the various resource data of the owner in the mobile phone storage unit 20 is deleted, and the data is transmitted before being deleted. The additional services provided by the road operator are transmitted to the pre-registered network hard disk or other network terminal, and the backup machine owner can retrieve it again, so that the illegal user can not steal the data in the owner's mobile phone through the hacker software. In order to avoid illegal users may bring huge losses to legitimate owners. In addition, if the anti-theft program reads the illegal user SIM is very useful, it can also help the investigation department to quickly solve the case.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

24‧‧‧Anti-theft module

240‧‧‧Encryption/Binding Module

242‧‧‧Password comparison module

244‧‧‧Lock/unlock module

246‧‧‧Data Delete Module

248‧‧‧Data reading module

Claims (10)

A mobile terminal with anti-theft function, comprising a central processing unit, a storage unit and a user identification card reading unit for reading a user identification card, wherein the storage unit comprises a register and a processing unit The anti-theft module of the anti-theft operation, the anti-theft module comprises an encryption/binding module, a password comparison module, a locking/unlocking module and a data deletion module, the central processor can call the encryption/binding The fixed module binds an anti-theft password to the user identification card data, and records the anti-theft password in the register; the central processor can call the password comparison module to take the anti-theft password from the register and Comparing with the user identification card data; the central processor may call the lock/unlock module to lock or unlock the mobile terminal; the central processor may invoke the data deletion module to perform a delete operation, when the first When the mobile terminal is used, a user identification card is inserted, and after booting, an anti-theft password is set through the pop-up password input window, and the central processor calls the encryption/binding module. The anti-theft password is bound to the user identification card data, and the anti-theft password is recorded in the register. When the mobile terminal is powered on again, the central processor calls the password comparison module to remove the anti-theft from the register. The password is compared with the user identification card data in the mobile terminal, and the locking/unlocking module is called to lock the mobile terminal when the two do not match. When the mobile terminal replaces the user identification card and is locked, the password is popped again. In the input window, the central processor calls the password comparison module to determine whether the anti-theft password input by the user is correct. When the user inputs the correct anti-theft password, the central processor calls the lock/unlock module to unlock the mobile terminal, and The central processor calls the encryption/binding module to re-bind the anti-theft password with the replaced user identification card data; when the input anti-theft password is incorrect, the central processor calls the data deletion module to record the above Operation data, if the correct anti-theft password is input within a preset time, the central processor calls the lock/unlock Group unlock the mobile terminal, and the central call processor The encryption/binding module will re-bind the anti-theft password with the replaced user identification card data. If the correct anti-theft password is not input within the preset time, the central processor calls the data deletion module to User resource data in the mobile terminal storage unit is deleted. The mobile terminal with the anti-theft function described in claim 1, wherein the central processor can also transmit the deleted data to the network hard disk before the data deletion module performs the deletion operation. The mobile terminal with the anti-theft function as described in claim 1, wherein the anti-theft module further includes a data reading module, and the central processing unit can call the data reading module to read the user identification card. Data and transfer the data to a network drive. The mobile terminal with anti-theft function as described in claim 1, wherein the mobile terminal is a mobile phone. The mobile terminal with anti-theft function according to claim 1, wherein the user identification card is a SIM card. An anti-theft method applied to the mobile terminal in the first claim of the patent scope includes the following steps: inserting a user identification card when the mobile terminal is used for the first time, and setting an anti-theft password through the pop-up password input window after booting, the central The processor calls the encryption/binding module to bind the anti-theft password to the user identification card data, and records the anti-theft password in the register; the central processor calls the password comparison module from the register The anti-theft password is taken out and compared with the user identification card data in the mobile terminal. If the two match, the mobile terminal enters a subsequent normal operation process; if the two do not match, the central processor calls the lock/unlock mode. The group locks the mobile terminal; when the mobile terminal replaces the user identification card and is locked, the password input window pops up again, and the central processor calls the password comparison module to determine whether the anti-theft password input by the user is correct, if When the user inputs the correct anti-theft password, the central processor calls the lock/unlock module to unlock the mobile terminal, and the central processor calls the encryption/binding module to re-establish the anti-theft password with the replaced user identification card. The data is bound, and then the mobile terminal enters a subsequent normal operation process; if the anti-theft password input by the user is incorrect, the central processing unit calls the data deletion module to record the operation data, and after a preset time, if the user is During this period of time, the correct anti-theft password is re-entered, and the central processor calls the lock/unlock module to unlock the mobile terminal, and the central processor calls the encryption/binding module to re-establish the anti-theft password. After the replacement, the user identification card data is bound, and then the mobile terminal enters a subsequent normal operation process; and if the user does not re-enter the correct anti-theft password within the preset time, the central processor calls the data deletion module to perform deletion. The operation is to delete various resource data of the user in the storage unit of the mobile terminal. The anti-theft method of claim 6, wherein the data deletion module further comprises the following steps: the central processor calls the data deletion module to transmit the deleted data to the network hard disk. The anti-theft method of claim 6, wherein the anti-theft module further comprises a data reading module, and after the user identification card is replaced, the method further comprises the following steps: the central processing unit calls the data reading module to read The data of the replaced subscriber identity card is transmitted to the network hard disk. The anti-theft method of claim 6, wherein the user can input a lock card instruction to the network operator's user operating system platform through another mobile terminal or a networked computer, and the mobile terminal receives the lock card. After the instruction, the central processor calls the lock/unlock module to lock the mobile terminal. The anti-theft method of claim 6, wherein the user can pass through another mobile terminal or The networked computer inputs a delete command to the network operator's user operating system platform. After the mobile terminal receives the delete command, the central processor calls the data deletion module to delete various resource data of the user in the storage unit.