TWI416931B - System and method for deleting data stored in the mobile phone automatically - Google Patents

Abstract

A system for deleting data stored in the mobile phone automatically is provided. The system is installed in a mobile phone, which includes a SIM (Subscriber Identity Model) card. The system includes a setting module for setting a user name, password, and identifying codes, and setting contents of a secure command for deleting all data stored in the mobile phone; a comparing module for comparing a received message with the secure command, determining whether the received message is equal to the contents of the secure command, and confirming that the received message is the secure command; and an executing module for executing the secure command to delete all the data stored in the mobile phone. A related method for deleting data stored in the mobile phone automatically is also disclosed. By utilizing the system and the related method, the data stored in the mobile phones may be deleted automatically if the mobile phones are in the abnormal state.

Description

Mobile phone storage data automatic destruction system and method

The present invention relates to a system and method for managing data stored in a mobile phone, and more particularly to a system and method for automatically destroying stored data in a mobile phone.

With the development of communication technology, the cost of various electronic products for communication is getting lower and lower, and the market price is also falling, so that it can be more widely used. For example, the popularity of mobile phones is getting higher and higher, and it becomes a daily life of users. An indispensable communication tool in life. In addition, as the software and hardware configuration of mobile phones continues to increase, the amount of data stored in mobile phones is also increasing. For example, mobile phone cameras have a certain degree of resolution, many users like to use mobile phones to take photos, videos, etc., and store the photos and videos in the phone memory.

Due to the increase in the amount of data in the mobile phone memory, although it brings great convenience to the user, it also inevitably generates corresponding risks. For example, when a mobile phone is lost or stolen, the data in the mobile phone is exposed to risk, especially when the mobile phone stores information related to personal privacy or information that needs to be kept confidential, such as a bank card account number, password, etc. The loss will cause great losses to the user.

In view of the above, it is necessary to provide a mobile phone storage data automatic destruction system and party The law can delete the data in the mobile phone in time when the mobile phone is abnormal.

A mobile phone storage data automatic destruction system, the system is installed in a mobile phone, the mobile phone comprises a SIM card, the system comprises: a setting module, configured to set a user name, a password and a system identification code, and set a security instruction to destroy the mobile phone All the data; the comparison module is configured to compare the content of the short message received by the mobile phone with the set security command, determine whether the two are consistent, and confirm when the content of the short message is consistent with the set security command The short message is a security instruction; and an execution module is configured to execute the security instruction to destroy all data in the mobile phone.

A mobile phone storage data automatic destruction method, the method is applied to a mobile phone, the mobile phone comprises a SIM card, and the method comprises the steps of: setting a user name, a password and a system identification code; and setting a security instruction to destroy all the data in the mobile phone; After the mobile phone is turned on, it is determined whether the SIM card in the mobile phone is replaced; if the SIM card in the mobile phone is not replaced, the operating system is entered; the mobile phone receives the short message, and the content of the short message received by the mobile phone is set The security instructions are compared to determine whether the two are consistent; if the content of the short message is consistent with the set security command, the short message is confirmed as a security command; and the security command is executed to destroy all the data in the mobile phone.

Compared with the prior art, the mobile phone storage data automatic destruction system and method can delete the data in the mobile phone in time when the mobile phone is abnormal, thereby avoiding leakage of data related to personal privacy stored in the mobile phone.

1‧‧‧Mobile phone

2‧‧‧Data destruction system

20‧‧‧Setup module

22‧‧‧ Alignment module

24‧‧‧Execution module

26‧‧‧ verification module

3‧‧‧ Receiving device

4‧‧‧Send device

5‧‧‧ memory

1 is a functional block diagram of a preferred embodiment of the mobile phone storage data automatic destruction system of the present invention.

2 is a flow chart showing the setting of a preferred embodiment of the method for automatically destroying stored data of the mobile phone of the present invention.

3 is a flow chart of a preferred embodiment of the method for automatically destroying stored data of the mobile phone of the present invention.

FIG. 1 is a functional block diagram of a preferred embodiment of the mobile phone storage data automatic destruction system of the present invention. The mobile phone storage data automatic destruction system 2 (hereinafter referred to as "data destruction system 2") is installed in the mobile phone 1 for automatically destroying all data stored in the mobile phone 1 when an abnormality occurs in the mobile phone 1, for example, an address book and a short message record. , photos, image files (for example: video files) and other information. The abnormal situation of the mobile phone 1 may include: the mobile phone 1 is lost, stolen, and the SIM (Subscriber Identity Model) card is replaced. The data destruction system 2 provides an interactive human-machine interface for performing related operations, for example, starting the data destruction system 2, setting related content, and the like in the mobile phone 1.

The mobile phone 1 includes a receiving device 3 and a transmitting device 4 for transmitting related materials by using various communication networks or connections, for example, calling, sending and receiving short messages, and the like. The connection may be a Bluetooth connection or a connection between the USB (Universal Serial Bus) interface and other electronic devices.

The mobile phone 1 further includes a memory 5 for storing various types of materials, including an address book, a short message record, a photo, and settings made in the data destruction system 2. The memory 5 may be the memory of the mobile phone 1 itself, or may be an external memory card, such as a SIM card (Smart Media Card), an SD card (Secure Digital Card), a CF card. (Compact Flash Card, standard Quasi-flash memory card), MMC card (Multi Media Card), MS card (Memory Stick), XD card (Extreme Digital Card), TF card (Trans Flash Card).

The data destruction system 2 mainly includes three functional modules, namely: a setting module 20, a comparison module 22, and an execution module 24. The data destruction system 2 is activated upon completion of the installation and prompts the user to set related content. In other embodiments, the data destruction system 2 can also be embedded in the operating system of the mobile phone 1.

The setting module 20 is configured to set a user name, a password, and a system identification code to facilitate the data destruction system 2 to identify the user identity, and is also used to set a shortcut key for starting the data destruction system 2. In the preferred embodiment, the data destruction system 2 has an automatic hiding function, and is not displayed in each function menu of the mobile phone 1 after the installation is completed. By setting a shortcut key, the user of the mobile phone 1 can be used by This data destruction system 2 is called when needed. For example, if the shortcut key is set to "*@56@*", when the user needs to change the setting contents such as the user name, password or system identification code, the data shortcut system can be accessed by using the shortcut key set.

The setting module 20 is further configured to set a security command for destroying all the data in the mobile phone 1 and permanently deleting the data in the SIM card and the memory 5. In the preferred embodiment, the security command is a combination of a username, a password, and a system identifier. For example, if the username is xzp, the password is 10@#, and the system identifier is 123*, the security command may be “ Xzp/10@#/123*”. The security command can be sent by means of a short message.

After completing the above settings, the data destruction system 2 asks whether to start the system, if the hand The user of the machine 1 confirms that the data destruction system 2 is activated, and the data destruction system 2 starts up automatically when the mobile phone 1 is turned on.

The comparison module 22 is configured to compare the received short message content with the set security command after receiving the short message of the mobile phone 1, and determine whether the two are consistent. If they are consistent, confirm the The text message is a security command.

The execution module 24 is configured to execute the received security command and destroy all data in the mobile phone 1. If the comparison module 22 determines that the short message content is inconsistent with the set security command, the execution module 24 prompts the user to receive a new short message.

When the mobile phone 1 is abnormal, such as lost or stolen, the user can send a text message with the security command to the mobile phone 1. After receiving the security command, the mobile phone 1 can destroy all the data stored in the mobile phone 1 to prevent the mobile phone. The private data stored in 1 is leaked.

When the mobile phone 1 is abnormal and the SIM card in the mobile phone 1 is replaced, the mobile phone 1 cannot destroy the data by receiving the security command. Therefore, the data destruction system 2 further includes a verification module 26 for When the mobile phone 1 is turned on, it is determined whether the SIM card in the mobile phone 1 has been replaced. Each SIM card has a unique IMSI (International Mobile Subscriber Identify) code, and the mobile phone 1 reads the IMSI code in the SIM card during the boot process. The verification module 26 records the IMSI code read by the mobile phone 1 each time it is turned on, and determines the SIM in the mobile phone 1 by comparing whether the IMSI code read after the power-on is the same as the IMSI code recorded in the previous power-on. Whether the card has been replaced.

The verification module 26 is further configured to: after confirming that the SIM card in the mobile phone 1 is replaced, prompting the user Enter the user name and password, and judge whether the entered user name and password are correct according to the preset user name and password.

The setting module 20 can be preset for the user to input multiple times. When the number of times the user inputs the user name and the password reaches the preset number of times, and the input error is still entered, the execution module 24 automatically generates the safety instruction, and The security command is executed to destroy the data stored in the mobile phone 1.

If the verification module 26 determines that the user inputs the correct username and password, the authentication system 26 normally enters the operating system of the mobile phone 1.

In other embodiments, the verification module 26 can also be used to prompt for a username and password when the mobile phone 1 is connected to other electronic devices (for example, the mobile phone 1 is connected to the computer through its USB interface) and is verified. When the user name or password is input incorrectly, the execution module 24 generates and executes a security command to destroy the data in the mobile phone 1, thereby preventing the data in the mobile phone 1 from being stolen.

As shown in FIG. 2, it is a data setting flowchart of a preferred embodiment of the method for automatically destroying stored data of the mobile phone of the present invention. First, in step S2, after the data destruction system 2 is installed in the mobile phone 1, the setting module 20 sets a user name, a password, and a system identification code to facilitate the data destruction system 2 to identify the user identity.

In step S4, the setting module 20 sets a number of times (hereinafter referred to as "preset number of times") that the user can input the user name and password multiple times for verification.

In step S6, the setting module 20 sets a shortcut key for starting the data destruction system 2. The hidden data destruction system 2 can be directly invoked by setting a shortcut key.

In step S8, the setting module 20 sets a security command for destroying all the data in the mobile phone 1, that is, permanently deleting the data in the SIM card and the memory 5. In the preferred embodiment, the security command is a combination of a username, a password, and a system identification code. The security command can be sent by means of a short message.

Step S10, after the above setting is completed, the data destruction system 2 is started to start monitoring whether the mobile phone 1 receives a security instruction.

As shown in FIG. 3, it is a flowchart of a preferred embodiment of the method for automatically destroying stored data of the mobile phone of the present invention. In step S20, the mobile phone 1 is powered on, and the data destruction system 2 is started.

In step S22, the verification module 26 determines whether the SIM card in the mobile phone 1 is replaced. Each SIM card has a unique IMSI (International Mobile Subscriber Identify) code, and the mobile phone 1 reads the IMSI code in the SIM card during the boot process. The verification module 26 records the IMSI code read by the mobile phone 1 each time it is turned on, and determines the SIM in the mobile phone 1 by comparing whether the IMSI code read after the power-on is the same as the IMSI code recorded in the previous power-on. Whether the card has been replaced.

If the SIM card in the mobile phone 1 has not been replaced, the mobile phone 1 enters the operating system in step S24, and the receiving device 3 receives a short message.

In step S26, the comparison module 22 compares the received short message content with the set security command to determine whether the two are consistent. If the received short message content is consistent with the set security command, the comparison module 22 confirms that the short message is a security command in step S28.

In step S30, the execution module 24 executes the security instruction, destroys all the data in the mobile phone 1, and ends the process.

If the comparison module 22 determines that the short message content is inconsistent with the set security command in step S26, the execution module 24 prompts the user to receive a new short message in step S32, and ends the process.

If the verification module 26 confirms that the SIM card in the mobile phone 1 is replaced in step S22, the user is prompted to input the user name and password in step S34.

In step S36, the verification module 26 determines whether the input user name and password are correct according to the preset user name and password.

If the entered username or password is incorrect, the verification module 26 records the number of inputs in step S38. In step S40, the verification module 26 determines whether the input number is equal to the preset number of times. If the number of inputs is not equal to the preset number of times, return to step S34 to re-enter the username and password. If the number of inputs is equal to the preset number of times, step S30 is directly executed to destroy all the data in the mobile phone 1.

If the verification module 26 determines in step S36 that the user has entered the correct user name and password, the operation system of the mobile phone 1 is entered in step S42, and the flow is terminated.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and equivalent modifications or variations made by those skilled in the art in accordance with the spirit of the present invention are It should be covered by the following patent application.

1‧‧‧Mobile phone

2‧‧‧Data destruction system

20‧‧‧Setup module

22‧‧‧ Alignment module

24‧‧‧Execution module

26‧‧‧ verification module

3‧‧‧ Receiving device

4‧‧‧Send device

5‧‧‧ memory

Claims (9)

A mobile phone storage data automatic destruction system, the system is installed in a mobile phone, the mobile phone comprises a SIM card, the system comprises: a setting module, configured to set a user name, a password and a system identification code, and set a security instruction to destroy the mobile phone All the data; the comparison module is configured to compare the content of the short message received by the mobile phone with the set security command, determine whether the two are consistent, and confirm when the content of the short message is consistent with the set security command The short message is a security command; the execution module is configured to execute the security command, and destroy all the data in the mobile phone; the verification module is configured to determine whether the mobile phone is connected to other electronic devices, and confirm the mobile phone and other After the electronic device is connected, the user is prompted to input the user name and the password, and the user name and password are determined to be correct; and the execution module is further configured to: when the verification module determines that the user name or password entered by the user is not When it is correct, the security instruction is automatically generated, and the security instruction is executed to destroy the data stored in the mobile phone. The mobile phone storage data automatic destruction system according to claim 1, wherein the verification module is configured to determine whether the SIM card in the mobile phone is replaced, after confirming that the SIM card in the mobile phone is replaced The user is prompted to enter a username and password and determine whether the entered username and password are correct. The mobile phone storage data automatic destruction system according to claim 2, wherein the execution module is further configured to automatically generate a safety instruction when the verification module determines that the user name or password input by the user is incorrect, and execute The safety instruction is to the mobile phone memory The stored data is destroyed. The mobile phone storage data automatic destruction system according to claim 1, wherein the security command is a combination of a username, a password, and a system identification code, and the security command can be sent by using a short message. A mobile phone storage data automatic destruction method, the method is applied to a mobile phone, the mobile phone comprises a SIM card, and the method comprises the steps of: setting a user name, a password and a system identification code; and setting a security instruction to destroy all the data in the mobile phone; After the mobile phone is turned on, it is determined whether the SIM card in the mobile phone is replaced; if the SIM card in the mobile phone is not replaced, the operating system is entered; and the mobile phone receives the short message, and the content and the content of the short message received by the mobile phone The set security instructions are compared to determine whether the two are consistent. If the content of the short message is consistent with the set security command, the short message is confirmed as a security command, and the security command is executed to destroy all the data in the mobile phone; or Whether the mobile phone is connected to other electronic devices, prompting the user to input a user name and a password after confirming that the mobile phone is connected with other electronic devices, automatically generating a safety instruction when the user name or password input by the user is incorrect, and executing the safety instruction The data stored in the mobile phone is destroyed. The method for automatically destroying a mobile phone storage data according to claim 5, wherein the method further comprises: prompting the user to input a user name and a password if the SIM card in the mobile phone is replaced; determining whether the entered user name and password are Correct; and if the entered username or password is incorrect, a security command is automatically generated, and the security command is executed to destroy the data stored in the mobile phone. The method for automatically destroying a stored data of a mobile phone according to claim 6, wherein the method further comprises: if the entered username and password are correct, entering the operating system of the mobile phone. The method for automatically destroying a stored data of a mobile phone according to claim 5, wherein the security command is a combination of a username, a password, and a system identifier, and the security command can be sent by using a short message. The method for automatically destroying a stored data of a mobile phone according to claim 5, wherein the method further comprises: if the content of the short message is inconsistent with the set security command, prompting the mobile phone to receive a new short message.