CN106022160A - Method and apparatuses for deleting user data - Google Patents

Abstract

The present invention relates to a method and apparatuses for deleting user data, which are used for deleting user data timely, so as to improve security. The method includes the steps of after a cellphone is booted, outputting a request to input verification information; receiving input verification information; verifying the verification information; and if the verification information fails to pass verification, deleting local user data.

Description

Method and device for deleting user data

technical field

The disclosure relates to the fields of communication and computer processing, and in particular to a method and device for deleting user data.

Background technique

With the development of electronic technology, mobile terminals have been widely used, and the replacement is very fast. Mobile terminals are not only communication tools, but also users' personal assistants. Many private information of users are stored in the mobile terminal. The security of this private information is very important.

Contents of the invention

In order to overcome the problems existing in related technologies, the present disclosure provides a method and device for deleting user data.

According to a first aspect of an embodiment of the present disclosure, a method for deleting user data is provided, including:

After booting, output a request for inputting authentication information;

Receive input verification information;

verifying the verification information;

When the verification fails, delete the local user data.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: this embodiment verifies the user after booting up, and deletes user data in time when the verification fails, so as to improve the security of user data.

In one embodiment, the method also includes:

After starting up, check whether there is a SIM card;

When a SIM card is detected, match the current SIM card identification with the pre-bound SIM card identification;

The output asks for a request to enter authentication information, including:

When detecting that there is no SIM card, output a request for inputting verification information;

When the current SIM card ID does not match the pre-bound SIM card ID, a request for inputting verification information is output.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: In this embodiment, when there is no SIM card and the current SIM card ID does not match the pre-bound SIM card ID, the user is verified to improve security .

In one embodiment, when a SIM card is detected, the verification information includes a pre-bound SIM card identification and a verification code;

When it is detected that there is no SIM card, the verification information includes a verification code.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: In this embodiment, when there is a SIM card, two pieces of information, the SIM card identification and the verification code, are verified to further improve security.

In one embodiment, the pre-bound SIM card ID is a SIM card ID obtained after encrypting the pre-bound SIM card ID;

The matching of the current SIM card identification with the pre-bound SIM card identification includes:

Encrypt the current SIM card identification to obtain the encrypted current SIM card identification;

Match the encrypted current SIM card ID with the pre-bound SIM card ID.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: this embodiment encrypts the SIM card ID, which increases the difficulty of obtaining the pre-bound SIM card ID, thereby improving the reliability of verification.

In one embodiment, encrypting the SIM card identification includes:

Combining and encrypting the preset serial number and the SIM card identifier to obtain the encrypted SIM card identifier; wherein, the serial number is an identifier uniquely identifying the device generated by the encryption chip.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: this embodiment uses the serial number for encryption, which improves the reliability of the encrypted SIM card identification, thereby improving the reliability of verification.

In one embodiment, the method also includes:

When the verification fails, restore the factory settings.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects: this embodiment can not only delete user data when verification fails, but also restore factory settings, further improving security.

According to a second aspect of an embodiment of the present disclosure, there is provided an apparatus for deleting user data, including:

The output module is used for outputting a request for inputting verification information after starting up;

A receiving module, configured to receive input verification information;

A verification module, configured to verify the verification information;

The delete module is used to delete local user data when the authentication fails.

In one embodiment, the device also includes:

The card detection module is used to detect whether there is a SIM card after the power is turned on;

A matching module, configured to match the current SIM card identification with the pre-bound SIM card identification when a SIM card is detected;

The output modules include:

The first output submodule is used to output a request for inputting verification information when no SIM card is detected;

The second output submodule is configured to output a request for inputting verification information when the current SIM card ID does not match the pre-bound SIM card ID.

In one embodiment, when a SIM card is detected, the verification information includes a pre-bound SIM card identification and a verification code;

When it is detected that there is no SIM card, the verification information includes a verification code.

In one embodiment, the pre-bound SIM card ID is a SIM card ID obtained after encrypting the pre-bound SIM card ID;

The matching module includes:

The encryption submodule is used to encrypt the current SIM card identification to obtain the encrypted current SIM card identification;

The matching submodule is used to match the encrypted current SIM card ID with the pre-bound SIM card ID.

In one embodiment, the encryption sub-module combines and encrypts the preset serial number and the SIM card ID to obtain the encrypted SIM card ID; wherein, the serial number is an ID uniquely identifying the device generated by the encryption chip.

In one embodiment, the device also includes:

The recovery module is used to restore the factory settings when the verification fails.

According to a third aspect of an embodiment of the present disclosure, there is provided an apparatus for deleting user data, including:

processor;

memory for storing processor-executable instructions;

Wherein, the processor is configured as:

After booting, output a request for inputting verification information;

Receive input verification information;

verifying the verification information;

When the verification fails, delete the local user data.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a flowchart showing a method for deleting user data according to an exemplary embodiment.

Fig. 2 is a flow chart showing a method for deleting user data according to an exemplary embodiment.

Fig. 3 is a flow chart showing a method for deleting user data according to an exemplary embodiment.

Fig. 4 is a flowchart showing a method for deleting user data according to an exemplary embodiment.

Fig. 5 is a block diagram of an apparatus for deleting user data according to an exemplary embodiment.

Fig. 6 is a block diagram of an apparatus for deleting user data according to an exemplary embodiment.

Fig. 7 is a block diagram of an apparatus for deleting user data according to an exemplary embodiment.

Fig. 8 is a block diagram of a device according to an exemplary embodiment.

detailed description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

In related technologies, when the screen of a mobile terminal is turned on, the screen generally displays a lock screen interface, and the user inputs a correct unlock password to unlock the interface. If the unlock password is wrong, it will stay on the lock screen interface without any processing of user data. But if the mobile terminal is lost, the user data in the mobile terminal is in potential danger.

To solve this problem, this embodiment verifies the user after booting up, and if the verification fails, the user data is deleted, so as to improve the security of the user data.

Fig. 1 is a flowchart of a method for deleting user data according to an exemplary embodiment. As shown in Fig. 1, the method can be implemented by a mobile terminal, and includes the following steps:

In step 101, after starting up, output a request for inputting authentication information.

In step 102, input verification information is received.

In step 103, the verification information is verified.

In step 104, when the verification fails, the local user data is deleted.

In this embodiment, after starting up, the received verification information is verified, and when the verification fails, the local user data is deleted, which improves the security of the user data.

In one embodiment, the user data in step 104 includes: user data in various applications, such as data in the address book, call records, friend information and chat records in instant messaging applications, and the like.

The mobile terminal saves user data in various applications, which are data that users need to use in their daily life, and some may be user secret information, such as payment passwords, so when the verification information entered by the user fails, it is determined The mobile terminal is not used by the user himself, and deleting the user data in order to protect the security of the user data can better ensure that the user data will not leak out.

In addition, generally after the mobile terminal is lost or stolen, others will often shut down the mobile terminal and then remove the SIM (Subscriber Identity Module, customer identification module) card, and may install a new SIM card. This scenario is likely to reboot. After discovering this feature, the inventors of the present disclosure designed this solution. Therefore, in this embodiment, security verification is performed after booting, and user data is deleted when the verification fails. To improve the security of user data. It is different from the security verification when the screen is turned on. If the mobile terminal changes from the standby state to the state of turning on the screen, if the verification fails at this time, the user data may not be deleted. Of course user data can also be deleted.

In an embodiment, the method can also be implemented as: step A1 to step A2.

In step A1, after starting up, it is detected whether there is a SIM card.

In step A2, when a SIM card is detected, the current SIM card ID is matched with the pre-bound SIM card ID.

Step 101 can also be implemented as: step A3 or step A4.

In step A3, when it is detected that there is no SIM card, a request to input authentication information is output.

In step A4, when the current SIM card ID does not match the pre-bound SIM card ID, a request for inputting verification information is output.

In this embodiment, when there is no SIM card or the current SIM card identification does not match the pre-bound SIM card identification, it means that the mobile terminal may be used by other people except the user. Therefore, in order to better protect the user's data, Both authenticate users for increased security.

In one embodiment, when a SIM card is detected, the verification information includes a pre-bound SIM card identification and a verification code;

When it is detected that there is no SIM card, the verification information includes a verification code.

In this embodiment, when there is a SIM card, two pieces of information, the SIM card identification and the verification code, are verified to further improve security. When the SIM card leaves the factory, the SIM ID is unique, so two different SIM card IDs represent two different SIM cards. Therefore, by verifying the SIM card ID, you can determine whether the currently used SIM card is compatible with the pre-bound SIM card. for the same SIM card. If it is not the same SIM card, it is determined that the mobile terminal may be used by someone other than the user. At this time, the verification code is added to finally determine whether it is the user himself. If the verification code is correct, it is determined to be the user himself, and it is safe to use. Otherwise, if it is determined that it is not the user himself, delete the user data. The verification code is sent by the operator to the preset number, and the number corresponds to the SIM one by one. Therefore, if the verification code sent by the operator is not received, it is determined that the currently used SIM card is the same as the pre-bound SIM card. Not the same SIM card. The verification code may also be a password preset by the user.

When the IDs of the SIM cards are consistent, it can be determined that the SIM card has not been replaced, and the SIM card is still used by the user himself, which is safe to use. In this embodiment, when it is determined that the SIM card has not been replaced, the verification of whether to unlock the screen can still be performed.

In one embodiment, the pre-bound SIM card identification is the SIM card identification obtained after encrypting the pre-bound SIM card identification;

Step A2 can also be implemented as: Step B1 to Step B2.

In step B1, the current SIM card ID is encrypted to obtain the encrypted current SIM card ID.

In step B2, match the encrypted current SIM card ID with the pre-bound SIM card ID.

In this embodiment, the SIM card identifier is encrypted, which increases the difficulty of obtaining the pre-bound SIM card identifier, thereby improving the reliability of verification.

In one embodiment, step B1 can also be implemented as: step C1.

In step C1, the preset serial number and the SIM card ID are combined and encrypted to obtain the encrypted SIM card ID; wherein, the serial number is an ID uniquely identifying the device generated by the encryption chip.

In this embodiment, the serial number is the identification of the unique identification device generated by the encryption chip, that is to say, the serial number is unique, and the preset serial number and the SIM card identification are combined and encrypted, and the encrypted SIM card identification obtained is also Unique, so the serial number is used for encryption, which improves the reliability of the encrypted SIM card identification, thereby improving the reliability of verification. Moreover, the serial number is generated by an encryption chip, using hardware encryption, which is more secure than software algorithm encryption. In addition, the encrypted SIM card identification can be stored in a specific location, such as in an encrypted chip or in a fixed memory, and the specific location can be a location that will not be modified even when the phone is flashed.

In an embodiment, the method can also be implemented as: step D1.

In step D1, when the verification fails, the factory settings are restored.

In this embodiment, when the verification fails, not only the user data can be deleted, but also the factory settings can be restored. Restoring the factory settings means completely deleting the user data, thereby further improving security.

In one embodiment, the factory settings include: settings for the operating system and various applications, such as set ringtones, desktop patterns, and the like.

When the mobile terminal leaves the factory, the manufacturer often makes some basic settings on the mobile terminal, such as the settings of the installed applications in the mobile terminal, so that the user can use the mobile terminal normally after obtaining the mobile terminal, and the data at this time are all set by the manufacturer. There is no user data, so restoring to factory settings means restoring to the terminal before saving user data.

As shown in Figure 2, the embodiment of the present disclosure provides a method for deleting user data, the mobile terminal is a mobile phone, and the specific implementation steps are as follows:

In step 201, after starting up, it is detected whether there is a SIM card. When it is detected that there is no SIM card, execute step 202, and when it is detected that there is a SIM card, execute step 203.

In step 202, when it is detected that there is no SIM card, a request for inputting verification information is output. The verification information includes a verification code.

For example, when it is detected that there is no SIM card, the user information that needs to be input by the user, that is, the verification code preset by the user, is output on the interface of the mobile phone.

In step 203, when a SIM card is detected, the current SIM card ID is matched with the pre-bound SIM card ID. When the current SIM card ID does not match the pre-bound SIM card ID, step S204 is executed; when the current SIM card ID matches the pre-bound SIM card ID, the process ends.

For example, after a user gets a new mobile phone, he will insert a SIM card into the mobile phone. At this time, the mobile phone prompts the user to bind the SIM card or automatically binds the current SIM card. When the phone number corresponding to the SIM card is detected, the SIM card identification can be used to determine whether the current SIM card and the pre-bound SIM card are the same SIM card.

In step 204, when the current SIM card ID does not match the pre-bound SIM card ID, a request for inputting verification information is output. Wherein, when it is detected that there is a SIM card, the verification information includes a pre-bound SIM card identification and a verification code; when it is detected that there is no SIM card, the verification information includes a verification code. The verification information includes the pre-bound SIM card identification and verification code.

For example, when the current SIM card identification does not match the pre-bound SIM card identification, the verification information that needs to be input by the user is output on the mobile phone interface, that is, the pre-bound SIM card identification and the verification code preset by the user.

In step 205, input verification information is received.

For example, the mobile phone receives verification information input by the user.

In step 206, the verification information is verified.

For example, verifying the verification information input by the user is to compare whether the verification information input by the user matches the original stored verification information.

In step 207, when the verification fails, the local user data is deleted.

For example, when the verification information entered by the user does not match the original stored verification information, the verification fails. When the verification fails, it can be determined that the user currently using the mobile phone is not the original owner of the mobile phone. Data deletion to protect user privacy and property security.

This embodiment provides a method for deleting user data. After starting up, determine what kind of verification information needs to be output by judging the situation of the SIM card, and determine whether to delete the local user data according to the result of verifying the verification information input by the user. The security of user data in the terminal after the user uses the terminal is improved.

As shown in Figure 3, the embodiment of the present disclosure provides a method for deleting user data, the terminal is a mobile phone, and the specific implementation steps are as follows:

In step 301, after starting up, it is detected whether there is a SIM card. When it is detected that there is no SIM card, execute step 302 to step 304; when it is detected that there is a SIM card, execute step 305.

In step 302, when a SIM card is detected, the current SIM card ID is encrypted to obtain the encrypted current SIM card ID.

Wherein, encrypting the SIM card identification includes: combining and encrypting the preset serial number and the SIM card identification to obtain the encrypted SIM card identification; wherein, the serial number is the unique identification device identification generated by the encryption chip.

For example, when it is detected that a SIM card is inserted in the mobile phone, the preset serial number is combined with the current SIM card identification and encrypted to obtain the encrypted SIM card identification.

In step 303, match the encrypted current SIM card ID with the pre-bound SIM card ID. The pre-bound SIM card ID is the SIM card ID obtained by encrypting the pre-bound SIM card ID. When the current SIM card ID does not match the pre-bound SIM card ID, step 304 is executed; when the current SIM card ID matches the pre-bound SIM card ID, the process ends.

For example, match the encrypted current SIM card ID with the SIM card ID obtained after encrypting the preset bound SIM card ID. After the user gets a new mobile phone, he will insert a SIM card into the mobile phone. At this time, the mobile phone prompts the user to bind the SIM card or automatically binds the current SIM card. The SIM cards issued by the operator have a unique identifier, which is convenient for distinguishing different SIM cards. For the phone number corresponding to the card, when a SIM card is detected, the SIM card ID can be encrypted to obtain the encrypted SIM card ID to determine whether the current SIM card and the pre-bound SIM card are the same SIM card , to avoid forging the identity of the same SIM card so that the verification is successful, and further improve the security of user data.

In step 304, when the current SIM card ID does not match the pre-bound SIM card ID, a request for inputting verification information is output.

In step 305, when it is detected that there is no SIM card, a request for inputting verification information is output.

In step 306, input verification information is received.

For example, the mobile phone receives verification information input by the user.

In step 307, verify the verification information.

For example, verifying the verification information input by the user is to compare whether the verification information input by the user matches the original stored verification information.

In step 308, when the verification fails, delete the local user data; and restore the factory settings.

For example, when the verification information entered by the user does not match the original stored verification information, the verification fails. When the verification fails, it can be determined that the user currently using the mobile phone is not the original owner of the mobile phone. Delete the data and restore the mobile phone to factory settings. At this time, the only data in the mobile phone is the basic data preset by the manufacturer when the mobile phone leaves the factory, and there is no data retained or saved by the user when using it, thus protecting the user's privacy and property safety .

An embodiment of the present disclosure provides a method for deleting user data. After starting up, determine what kind of verification information needs to be output by judging the situation of the SIM card and the match between the encrypted SIM card ID and the pre-bound SIM card ID, and determine whether it needs to be output according to the result of verifying the verification information input by the user Delete the local user data, because the encrypted SIM card ID is encrypted by combining the unique serial number and the SIM card ID, which further ensures the uniqueness of the encrypted SIM card ID, thereby further improving the terminal security after the user uses the terminal. Security of user data in .

Through the above introduction, we understand the implementation process of transmitting screenshots. This process is realized by the mobile terminal and the computer. The internal structure and functions of the two devices are introduced below.

Fig. 4 is a schematic diagram of an apparatus for deleting user data according to an exemplary embodiment. Referring to Figure 4, the device includes:

The output module 401 is configured to output a request for inputting verification information after power-on.

The receiving module 402 is configured to receive input verification information.

The verification module 403 is configured to verify the verification information.

The deletion module 404 is configured to delete the local user data when the verification fails.

As shown in Figure 5, the device also includes:

The card detection module 501 is configured to detect whether there is a SIM card after booting.

The matching module 502 is configured to match the current SIM card identifier with the pre-bound SIM card identifier when a SIM card is detected.

The output module 401 includes:

The first output submodule 503 is configured to output a request for inputting verification information when no SIM card is detected.

The second output submodule 504 is configured to output a request for inputting verification information when the current SIM card ID does not match the pre-bound SIM card ID.

As shown in Figure 6, the pre-bound SIM card identification is the SIM card identification obtained after encrypting the pre-bound SIM card identification;

Matching module 502 includes:

The encryption submodule 601 is configured to encrypt the current SIM card ID to obtain the encrypted current SIM card ID. The encryption sub-module combines and encrypts the preset serial number and the SIM card identification to obtain the encrypted SIM card identification; wherein, the serial number is an identification uniquely identifying the device generated by the encryption chip.

The matching submodule 602 is configured to match the encrypted current SIM card ID with the pre-bound SIM card ID.

As shown in Figure 7, the device also includes:

The recovery module 701 is configured to restore the factory settings when the verification fails.

Regarding the apparatus in the foregoing embodiments, the specific manner in which each module executes operations has been described in detail in the embodiments related to the method, and will not be described in detail here.

Fig. 8 is a block diagram of an apparatus 800 for deleting user data according to an exemplary embodiment. For example, the apparatus 800 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

8, device 800 may include one or more of the following components: a processing component 802, a memory 804, a power supply component 806, a multimedia component 808, an audio component 810, an input/output (I/O) interface 812, a sensor component 814, and communication component 816 .

The processing component 802 generally controls the overall operations of the device 800, such as those associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 802 may include one or more processors 820 to execute instructions to complete all or part of the steps of the above method. Additionally, processing component 802 may include one or more modules that facilitate interaction between processing component 802 and other components. For example, processing component 802 may include a multimedia module to facilitate interaction between multimedia component 808 and processing component 802 .

The memory 804 is configured to store various types of data to support operations at the device 800 . Examples of such data include instructions for any application or method operating on device 800, contact data, phonebook data, messages, pictures, videos, and the like. The memory 804 can be implemented by any type of volatile or non-volatile storage device or their combination, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable Programmable Read Only Memory (EPROM), Programmable Read Only Memory (PROM), Read Only Memory (ROM), Magnetic Memory, Flash Memory, Magnetic or Optical Disk.

Power component 806 provides power to various components of device 800 . Power components 806 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power to device 800 .

The multimedia component 808 includes a screen that provides an output interface between the device 800 and the user. In some embodiments, the screen may include a liquid crystal display (LCD) and a touch panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense a boundary of a touch or a swipe action, but also detect duration and pressure associated with the touch or swipe operation. In some embodiments, the multimedia component 808 includes a front camera and/or a rear camera. When the device 800 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capability.

The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a microphone (MIC) configured to receive external audio signals when the device 800 is in operation modes, such as call mode, recording mode and voice recognition mode. Received audio signals may be further stored in memory 804 or sent via communication component 816 . In some embodiments, the audio component 810 also includes a speaker for outputting audio signals.

The I/O interface 812 provides an interface between the processing component 802 and a peripheral interface module, which may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: a home button, volume buttons, start button, and lock button.

Sensor assembly 814 includes one or more sensors for providing status assessments of various aspects of device 800 . For example, the sensor component 814 can detect the open/closed state of the device 800, the relative positioning of components, such as the display and keypad of the device 800, the sensor component 814 can also detect a change in the position of the device 800 or a component of the device 800, Presence or absence of user contact with device 800 , device 800 orientation or acceleration/deceleration and temperature changes of device 800 . Sensor assembly 814 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. Sensor assembly 814 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor component 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.

The communication component 816 is configured to facilitate wired or wireless communication between the apparatus 800 and other devices. The device 800 can access wireless networks based on communication standards, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 816 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra Wide Band (UWB) technology, Bluetooth (BT) technology and other technologies.

In an exemplary embodiment, apparatus 800 may be programmed by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation for performing the methods described above.

In an exemplary embodiment, there is also provided a non-transitory computer-readable storage medium including instructions, such as the memory 804 including instructions, which can be executed by the processor 820 of the device 800 to implement the above method. For example, the non-transitory computer readable storage medium may be ROM, random access memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

A device for deleting user data, comprising:

processor;

memory for storing processor-executable instructions;

Among them, the processor is configured as:

After booting, output a request for inputting authentication information;

Receive input verification information;

Verify the verification information;

When the verification fails, delete the local user data.

The processor can also be configured to:

The method also includes:

After starting up, check whether there is a SIM card;

When a SIM card is detected, match the current SIM card identification with the pre-bound SIM card identification;

Outputs a request to enter authentication information, including:

When detecting that there is no SIM card, output a request for inputting verification information;

When the current SIM card ID does not match the pre-bound SIM card ID, a request for inputting verification information is output.

The processor can also be configured to:

When a SIM card is detected, the verification information includes a pre-bound SIM card identification and a verification code;

When it is detected that there is no SIM card, the verification information includes a verification code.

The processor can also be configured to:

The pre-bound SIM card identification is the SIM card identification obtained after encrypting the pre-bound SIM card identification;

Match the current SIM card ID with the pre-bound SIM card ID, including:

Encrypt the current SIM card identification to obtain the encrypted current SIM card identification;

Match the encrypted current SIM card ID with the pre-bound SIM card ID.

The processor can also be configured to:

Encrypt SIM card identification, including:

Combining and encrypting the preset serial number and the SIM card identifier to obtain the encrypted SIM card identifier; wherein, the serial number is an identifier uniquely identifying the device generated by the encryption chip.

The processor can also be configured to:

The method also includes:

When the verification fails, restore the factory settings.

A non-transitory computer-readable storage medium, when the instructions in the storage medium are executed by the processor of the mobile terminal, the mobile terminal can execute a method for deleting user data, the method comprising:

After booting, output a request for inputting authentication information;

Receive input verification information;

Verify the verification information;

When the verification fails, delete the local user data.

The instructions in the storage medium may also include:

The method also includes:

After starting up, check whether there is a SIM card;

When a SIM card is detected, match the current SIM card identification with the pre-bound SIM card identification;

Outputs a request to enter authentication information, including:

When detecting that there is no SIM card, output a request for inputting verification information;

When the current SIM card ID does not match the pre-bound SIM card ID, a request for inputting verification information is output.

The instructions in the storage medium may also include:

When a SIM card is detected, the verification information includes a pre-bound SIM card identification and a verification code;

When it is detected that there is no SIM card, the verification information includes a verification code.

The instructions in the storage medium may also include:

The pre-bound SIM card identification is the SIM card identification obtained after encrypting the pre-bound SIM card identification;

Match the current SIM card ID with the pre-bound SIM card ID, including:

Encrypt the current SIM card identification to obtain the encrypted current SIM card identification;

Match the encrypted current SIM card ID with the pre-bound SIM card ID.

The instructions in the storage medium may also include:

Encrypt SIM card identification, including:

Combining and encrypting the preset serial number and the SIM card identifier to obtain the encrypted SIM card identifier; wherein, the serial number is an identifier uniquely identifying the device generated by the encryption chip.

The instructions in the storage medium may also include:

The method also includes:

When the verification fails, restore the factory settings.

Other embodiments of the present disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, and these modifications, uses or adaptations follow the general principles of the present disclosure and include common knowledge or conventional technical means in the technical field not disclosed in the present disclosure . The specification and examples are to be considered exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It should be understood that the present disclosure is not limited to the precise constructions which have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (13)

1. the method deleting user data, it is characterised in that including:

After powering, output requires the request of input validation information；

Receive the checking information of input；

Described checking information is verified；

Obstructed out-of-date in checking, delete local user data.

The method of deletion user data the most according to claim 1, it is characterised in that described method Also include:

After powering, SIM has been detected whether；

When being tested with SIM, by current SIM card mark and the SIM bound in advance identify into Row coupling；

Described output requires the request of input validation information, including:

Detect there is no SIM time, output requires the request of input validation information；

When current SIM card mark is not mated with the SIM mark bound in advance, output requires input The request of checking information.

The method of deletion user data the most according to claim 2, it is characterised in that detecting When having SIM, described checking information includes SIM mark and the identifying code bound in advance；

Detect there is no SIM time, described checking information includes identifying code.

The method of deletion user data the most according to claim 2, it is characterised in that described in advance The SIM of binding is designated the SIM mark obtained after the SIM mark encryption bound in advance；

Described current SIM card mark mark with the SIM bound in advance is mated, including:

Current SIM card mark is encrypted, the current SIM card mark after being encrypted；

Current SIM card mark after encryption is mated with the SIM mark bound in advance.

The method of deletion user data the most according to claim 4, it is characterised in that to SIM Mark is encrypted, including:

Default serial number is combined with SIM mark and encrypts, the SIM mark after being encrypted； Wherein, unique mark identifying equipment that Serial No. encryption chip generates.

The method of deletion user data the most according to claim 1, it is characterised in that described method Also include:

Obstructed out-of-date in checking, factory reset.

7. the device deleting user data, it is characterised in that including:

Output module, for after powering, output requires the request of input validation information；

Receiver module, for receiving the checking information of input；

Authentication module, for verifying described checking information；

Removing module, for obstructed out-of-date in checking, deletes local user data.

The device of deletion user data the most according to claim 7, it is characterised in that described device Also include:

Card detection module, for after powering, has detected whether SIM；

Matching module, for when being tested with SIM, identifies current SIM card and binds in advance SIM mark mate；

Described output module includes:

First output sub-module, for detect there is no SIM time, output require input validation information Request；

Second output sub-module, for identifying not with the SIM bound in advance in current SIM card mark During coupling, output requires the request of input validation information.

The device of deletion user data the most according to claim 8, it is characterised in that detecting When having SIM, described checking information includes SIM mark and the identifying code bound in advance；

Detect there is no SIM time, described checking information includes identifying code.

The device of deletion user data the most according to claim 8, it is characterised in that described pre- The SIM first bound is designated the SIM mark obtained after the SIM mark encryption bound in advance；

Described matching module includes:

Encryption submodule, for current SIM card mark is encrypted, the current SIM after being encrypted Card mark；

Matched sub-block, for by the current SIM card mark after encryption and the SIM mark bound in advance Know and mate.

The device of 11. deletion user data according to claim 10, it is characterised in that encryption Default serial number is combined with SIM mark and encrypts by module, the SIM mark after being encrypted； Wherein, unique mark identifying equipment that Serial No. encryption chip generates.

The device of 12. deletion user data according to claim 7, it is characterised in that described dress Put and also include:

Recover module, for obstructed out-of-date in checking, factory reset.

13. 1 kinds of devices deleting user data, it is characterised in that including:

Processor；

For storing the memorizer of processor executable；

Wherein, described processor is configured to:

After powering, output requires the request of input validation information；

Receive the checking information of input；

Described checking information is verified；

Obstructed out-of-date in checking, delete local user data.