WO2013023510A1

WO2013023510A1 - User information storage method and equipment thereof

Info

Publication number: WO2013023510A1
Application number: PCT/CN2012/078734
Authority: WO
Inventors: 房立军; 张佳妮
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-08-15
Filing date: 2012-07-17
Publication date: 2013-02-21
Also published as: CN102263846A; CN102263846B

Abstract

A user information storage method and equipment thereof are provided in the present invention. When inserted into a mobile terminal, the user information storage equipment marks out a document storage area for the mobile terminal to establish a private area document; the private area document stores International Mobile Equipment Identity (IMEI) number and relative information of the mobile terminal; the user information storage equipment reads out the IMEI number in STK instruction of the mobile terminal, and the mobile terminal could access to the private area document corresponding to the IMEI number when the IMEI number of the mobile terminal equals to the IMEI number stored in the user information storage equipment. Compared to the prior art, the technical solution in the present invention can realize invisible fundamental information between different mobile terminal users by STK function, and prevent the user stored information in the user information storage equipment from being stolen illegally.

Description

User information storage method and device

The present invention relates to the field of communications technologies, and in particular, to a user information storage method and device. Background technique

The Subscriber Identity Module (SIM/USIM) is a smart IC card with a microprocessor packaged in plastic. It is an indispensable part of the wireless communication system such as GSM. It is the user entering the GSM network registration certificate. In the SIM/USIM card, users can save private information such as text messages and phone books, which are important to mobile users and require certain confidentiality. The User Identification Application Development Tool (STK, SIM Tool Kit) feature contains a set of instructions for the terminal to interact with the SIM/USIM card so that the SIM/USIM card can be used to run the application within the card for value-added services. The set of instructions here refers to the two types of instructions of the STK function, one is the packaging command issued by the terminal to the SIM/USIM card, and the other is the active reporting command initiated by the SIM/USIM card to the terminal. Proactive command ). The SIM/USIM card and the mobile terminal use these two types of commands to interact with each other's STK functions, and the STK service also provides a possibility for the SIM/USIM/USIM/USIM card to distinguish mobile terminals.

At present, the SIM/USIM card has almost no distinction between mobile terminals. As long as the SIM/USIM card PIN code can be correctly input, the SIM/USIM card related content can be read and normal network registration can be performed.

Therefore, the publicity of the SIM/USIM card is likely to pose a great security risk. When the user's SIM/USIM card is borrowed or lost, the important information stored by the user in the SIM/USIM card is likely to be stolen, or important privacy. Known by others. Summary of the invention

In order to solve the problems of the prior art, the main object of the present invention is to provide a user information storage method and apparatus.

In order to achieve the above object, the technical solution of the present invention is achieved as follows:

The invention provides a user information storage method, and the method comprises:

When the user information storage device is inserted into the mobile terminal, the user information storage device divides the mobile terminal into a file storage area, and establishes a private area file; the private area file stores the mobile terminal's international mobile device identity code (IMEI, International Mobile Equipment Identity) and related information of the mobile terminal;

The user information storage device reads the IMEI number in the STK instruction of the mobile terminal, and allows the mobile terminal to access the private area file corresponding to the IMEI number when the IMEI number of the mobile terminal matches the IMEI number stored by the mobile terminal.

In the above solution, the user information storage device divides the storage area into two parts: a common area and a private area; and the corresponding private area file is created according to the IMEI number of the mobile terminal in the private area.

In the above solution, when the IMEI number of the mobile terminal is consistent with the IMEI number stored by the mobile terminal, the mobile terminal is allowed to access the private area file corresponding to the IMEI number, as follows:

When the mobile terminal whose IMEI number is consistent with the IMEI number stored in the user information storage device is made in the above solution, the method further includes: when the mobile terminal is inserted into the user information storage device, the user information storage device requests the mobile by the active reporting command. The terminal provides the local information. When the mobile terminal sends the local information of the mobile terminal to the user information storage device through the STK command, the user information storage device determines whether the IMEI number in the local information is stored in the IMEI number stored by the user terminal. When the IMEI number in the local information is described, the user information storage device updates the content of the user information storage device, so that the mobile terminal can only view and/or modify the private under the IMEI number. There are regional files.

In the above solution, the method further includes: when the user information storage device determines that the IMEI number stored in the local information does not have the IMEI number in the local information, the user information storage device creates a private area file under the premise that the file storage space permits. The mobile terminal is dedicated and notifies the mobile terminal.

A user information storage device provided by the present invention, the device includes an STK module, a FLASH control module, and a read/write module;

The STK module is configured to read an IMEI number in a STK instruction of the mobile terminal, and send the IMEI number to the FLASH control module;

a FLASH control module, configured to: when determining that the IMEI number is in an IMEI number stored by itself, allowing the mobile terminal to read and/or modify a private area file under the IMEI number;

And a reading and writing module, configured to read and/or modify a private area file corresponding to an IMEI number of the mobile terminal according to a call of the mobile terminal.

In the above solution, the FLASH control module is further configured to: when the IMEI number is not in the IMEI number stored by the user, if the FLASH space is allowed, create a related private area file according to the IMEI number to the mobile terminal. dedicated.

In the above solution, the device divides the storage area into two parts: a common area and a private area, and the corresponding private area file is created according to the IMEI number of the mobile terminal in the private area.

In the above solution, when the FLASH control module determines that the IMEI number in the STK instruction of the mobile terminal matches the IMEI number stored in the mobile terminal, the private area file corresponding to the IMEI number is allowed to access.

In the above solution, the STK module is specifically configured to request the mobile terminal to provide local information by using an active reporting instruction, and receive the local information of the mobile terminal delivered by the mobile terminal through the STK instruction, and read the IMEI number in the local information.

In summary, the use of the present invention has the following beneficial effects: Compared with the prior art, the technical solution of the present invention can realize that the basic information of different mobile mobile terminals are invisible to each other through the STK function of the SIM card, and prevent the information stored by the user on the SIM card from being illegally stolen. DRAWINGS

1 is a structural diagram of a SIM/USIM card file area according to an embodiment of the present invention;

2 is a schematic flowchart of a method for storing user information according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the composition of a user information storage device according to an embodiment of the present invention. detailed description

The content of the user information storage device of the present invention is divided into two parts: a common area and a private area, wherein the common area is visible to each mobile terminal. The private area is further divided according to the IMEI number of the terminal. Only the terminal with the IMEI number and the IMEI number of the storage area can be seen in the private area of the IMEI number.

The principle that the user information storage device distinguishes different mobile terminals is that when the mobile terminal is inserted into the user information storage device, the user information storage device requests the mobile terminal to provide local information by actively reporting the command. When the mobile terminal sends the local information of the mobile terminal to the user information storage device by using an envelope command, the user information storage device checks whether the IMEI number exists in the IMEI number stored by the user information storage device according to the IMEI number in the local information. If present, the user information storage device enables the mobile terminal to view and/or modify only the private area file and the public area file under the IMEI number by updating the content of the user information storage device. If not, the user information storage device creates a new private area file for the mobile terminal, and notifies the mobile terminal through the user information storage device content update mode.

In this way, the user information storage device can correctly distinguish the mobile terminals with different IMEI numbers through the STK function, and perform related control on the files to ensure that the basic information of different mobile terminals is not mutually exclusive. Visible.

The user information storage device may generally be a SIM/USIM card.

The technical solutions of the present invention are described in detail below with reference to the accompanying drawings and specific embodiments.

Please refer to FIG. 1. FIG. 1 is a structural diagram of a SIM/USIM card file area according to an embodiment of the present invention. The SIM/USIM card file area includes a public file and an exclusive file of IMEI1.

( ICCID1 ), IMEI2's proprietary file ( ICCID2 ) until IMEIn's proprietary file

( ICCIDn ). The SIM/USIM card is divided into a common area and a private area, wherein the common area is visible to each mobile terminal, and the area is allowed for each mobile terminal. The private area is further divided according to the IMEI number of the terminal, and the IMEI number of the mobile terminal currently using the SIM/USIM card is obtained by using the STK function, and is only visible to the mobile terminal with the same IMEI number, and editing is allowed.

Referring to FIG. 2, FIG. 2 is a schematic flowchart of a user information storage method in this embodiment. The user information storage device uses a SIM/USIM card as an example. The method includes the following steps:

S201: The mobile terminal is turned on after the SIM/USIM card is inserted, and the SIM/USIM card is initialized;

S202: The mobile terminal delivers the content of the STK supported by the mobile terminal by using a terminal profile when the SIM/USIM card is initialized;

S203: After the mobile terminal receives the notification of the SIM/USIM card and sends the proactive command of the local information, the standard STK is used to send the local information of the mobile terminal to the SIM/USIM. Card.

S204: The SIM/USIM card determines whether there is an IMEI number in the local information in the IMEI number stored by itself, if not, go to step S206, if yes, go to step S205; notify the mobile terminal of the change of the device, allow the mobile The terminal reads and/or modifies a private area file under the IMEI number;

S206: In the case that the FLASH space allows, the SIM/USIM card creates a private file according to the IMEI number for the mobile terminal, and passes the SIM/USIM REFRESH mode. Know the mobile terminal.

Referring to FIG. 3, FIG. 3 is a schematic diagram of a composition of a user information storage device according to an embodiment of the present invention, which includes a STK module 31, a flash memory (FLASH) control module 32, and a read/write module 33. In this embodiment, the user information storage device is described by taking a SIM/USIM card as an example. In other embodiments, the user information storage device may also be another user identification module.

The STK module 31 is configured to read an IMEI number in the STK instruction of the mobile terminal, and send the IMEI number to the FLASH control module 32 of the SIM/USIM card;

The FLASH control module 32 is configured to determine whether the IMEI number is in the IMEI number stored by itself, and if so, allow the mobile terminal to read and/or modify the private area file under the IMEI number, otherwise on the SIM/USIM card. If the FLASH space allows, the relevant private area file is newly created according to the IMEI number and is dedicated to the mobile terminal;

a reading and writing module 33, configured to read and/or modify a private area file corresponding to an IMEI number of the mobile terminal according to a call of the mobile terminal;

The user information storage device divides the storage area into a common area and a private area, and establishes a corresponding private area file according to the IMEI number of the mobile terminal in the private area;

When the FLASH control module 32 determines that the IMEI number in the STK instruction of the mobile terminal is the same as the IMEI number stored in the mobile terminal, the private area file corresponding to the IMEI number is allowed to access.

The STK module 31 is specifically configured to require the mobile terminal to provide local information by using an active reporting instruction; and receive the local information of the mobile terminal delivered by the mobile terminal through the STK instruction, and read the IMEI number in the local information.

In practical applications, when the user needs to replace the mobile terminal, the old mobile terminal may first transfer the personal information from the private area to the public area, and then use the new mobile terminal to transfer the personal information from the public area to the private area.

Of course, the present invention may be embodied in various other forms and modifications may be made in accordance with the present invention without departing from the spirit and scope of the invention. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

Claim

A user information storage method, characterized in that the method comprises:

When the user information storage device is inserted into the mobile terminal, the user information storage device divides the mobile terminal into a file storage area, and establishes a private area file; the private area file stores an international mobile device identity code (IMEI) of the mobile terminal. And the related information of the mobile terminal, the user information storage device reads the IMEI number in the user identification application development tool (STK) instruction of the mobile terminal, and allows the mobile terminal to access when the IMEI number of the mobile terminal matches the IMEI number stored by the mobile terminal. The private area file corresponding to the IMEI number.

2. The method according to claim 1, wherein the user information storage device divides the storage area into two parts: a common area and a private area; and the corresponding private area is established according to the IMEI number of the mobile terminal in the private area. file.

The method according to claim 2, wherein when the IMEI number of the mobile terminal is consistent with the IMEI number stored by the mobile terminal, the mobile terminal is allowed to access the private area file corresponding to the IMEI number, which is:

When the IMEI number and the IMEI number stored in the user information storage device are identical, the mobile terminal is made

The method according to claim 1, wherein the method further comprises: when the mobile terminal is inserted into the user information storage device, the user information storage device requests the mobile terminal to provide local information by using an active reporting command; When the local information of the mobile terminal is delivered to the user information storage device by using the STK command, the user information storage device determines whether the IMEI number in the local information is stored in the IMEI number stored by the user, and when there is an IMEI number in the local information. The user information storage device updates the content of the user information storage device, so that the mobile terminal can only view and/or modify the private area file under the IMEI number.

5. The method of claim 4, wherein the method further comprises: When the information storage device determines that the IMEI number stored in the local information does not have the IMEI number in the local information, the user information storage device creates a private area file for the mobile terminal, and notifies the mobile terminal, on the premise that the file storage space permits.

A user information storage device, wherein the device comprises an STK module, a FLASH control module, and a read/write module;

The device according to claim 6, wherein the FLASH control module is further configured to: when the IMEI number is not in the IMEI number stored by itself, in the case that the FLASH space allows, according to the IMEI No. New related private area file is created for the mobile terminal.

The device according to claim 6, wherein the device divides the storage area into two parts: a common area and a private area, and the corresponding private area file is created in the private area according to the IMEI number of the mobile terminal.

The device according to claim 8, wherein the FLASH control module determines that the IMEI number in the STK instruction of the mobile terminal is the same as the IMEI number stored in the mobile terminal, and the private area file corresponding to the IMEI number is Allow access.

The device of claim 6, wherein the STK module is specifically configured to request the mobile terminal to provide local information by using an active reporting instruction; receive local information of the mobile terminal delivered by the mobile terminal through the STK instruction, and read Take the IMEI number in the local information.