WO2019061876A1

WO2019061876A1 - Soft sim card production, use, processing method and device

Info

Publication number: WO2019061876A1
Application number: PCT/CN2017/117144
Authority: WO
Inventors: 赵飞; 毕宏博; 姜天亮; 杨彧; 卫彩霞; 刘林; 全道吉; 欧阳小雄
Original assignee: 深圳普创天信科技发展有限公司
Priority date: 2017-09-26
Filing date: 2017-12-19
Publication date: 2019-04-04
Also published as: CN108601016A; CN108601016B; CN107567012A

Abstract

The present invention relates to the field of communication technologies, and an embodiment of the present invention specifically relates to soft SIM card production, use, processing method and a device. The production method is applicable to a terminal and comprises: acquiring an instruction carrying encrypted soft SIM card information; decrypting, according to a preset information decryption manner, the encrypted soft SIM card information to obtain soft SIM card information; and encrypting, according to an identifier of the terminal and a preset file encryption manner, the soft SIM card information to generate an encrypted soft SIM card file. In comparison to the prior art, the embodiment of the present invention can be used to generate a soft SIM card file by binding a terminal with soft SIM card information by means of a file encryption manner during a production stage, thereby solving the issue in which security risks are present in soft SIM card information during the production stage.

Description

Production, use and processing method and device of soft SIM card

This application claims the priority of the Chinese patent application filed on September 26, 2017, the Chinese Patent Office, the application number is 201710877490.7, and the invention name is "a production, use, processing method and device of a soft SIM card". This is incorporated herein by reference.

Technical field

Embodiments of the present invention relate to the field of communications technologies, and in particular, to a method, an apparatus, and a device for producing, using, and processing a soft SIM card.

Background technique

Soft SIM (Subscriber Identity Module) card technology, also known as virtual SIM card technology, is an emerging communication technology that can help users get rid of the physical SIM card and freely switch between different operations without disassembling the SIM card. Business. The terminal uses the soft SIM card technology to save the installation structure of the traditional physical SIM card and its peripheral circuits, and reduce the production cost of the terminal.

The soft SIM card technology writes the SIM card information into the terminal through the software method, so that the soft SIM card information has security risks in the production process and the use process. Since the soft SIM card information is leaked, it cannot be reported as a physical SIM card, and even if it is stolen by a competitor, it will bring huge commercial losses and legal risks.

The above description of the discovery process of the problem is only for assisting in understanding the technical solutions of the present invention, and does not constitute an admission that the above is prior art.

Summary of the invention

In order to solve the above technical problem or at least partially solve the above technical problem, an embodiment of the present invention provides a method, an apparatus, and a device for producing, using, and processing a soft SIM card.

In a first aspect, an embodiment of the present invention discloses a method for manufacturing a soft SIM card, which is applied to a terminal, and includes:

Obtaining an instruction carrying the encrypted soft SIM card information;

Decrypting the encrypted soft SIM card information according to a preset information decryption manner to obtain soft SIM card information;

And encrypting the soft SIM card information according to the identifier of the terminal and a preset file encryption manner to generate an encrypted soft SIM card file.

Optionally, the obtaining, by the instruction, the information that carries the encrypted soft SIM card information includes:

Get instruction

Determining an instruction type corresponding to the instruction based on the instruction type information carried by the instruction;

Determining whether the instruction type is a preset instruction type;

If it is a preset instruction type, determining whether the source of the instruction is a preset source based on source information carried by the instruction;

If it is the preset source, it is determined that the instruction is an instruction carrying the encrypted soft SIM card information.

Optionally, the preset instruction type is an AT command type, and the preset source is an AT tool.

Optionally, the instruction is an AT command, and the acquiring, by the instruction, the encrypted soft SIM card information, includes:

Obtain an AT command through the AT channel;

Determining whether the source of the AT command is an AT tool based on source information carried by the AT command;

If yes, it is determined that the AT command is an instruction carrying the encrypted soft SIM card information.

Optionally, the determining, according to the source information carried by the AT command, whether the source of the AT command is an AT tool, includes:

The source information carried in the command header of the AT command is filtered by the AT filter to determine whether the source of the AT command is an AT tool.

Optionally, the encrypted soft SIM card information is soft SIM card information encrypted by the AT tool.

Optionally, before the encrypting the soft SIM card information according to the identifier of the terminal and the preset file encryption manner, the method further includes:

Obtaining a CPU identifier of the terminal as an identifier of the terminal.

Optionally, the method further includes:

Storing the soft SIM card file to a read-only partition of the terminal.

Optionally, the soft SIM card file is an image file.

Optionally, after the storing the soft SIM card file to the read-only partition of the terminal, the method further includes:

Restart the operating system.

In a second aspect, the embodiment of the present invention further discloses a device for producing a soft SIM card, which is applied to a terminal, and includes:

An obtaining unit, configured to acquire an instruction that carries the encrypted soft SIM card information;

a decryption unit, configured to decrypt the encrypted soft SIM card information according to a preset information decryption manner, to obtain soft SIM card information;

And a generating unit, configured to encrypt the soft SIM card information according to the identifier of the terminal and a preset file encryption manner, and generate an encrypted soft SIM card file.

Optionally, the obtaining unit is specifically configured to:

Obtaining an instruction; determining, according to the instruction type information carried by the instruction, an instruction type corresponding to the instruction; determining whether the instruction type is a preset instruction type; and if it is a preset instruction type, carrying the instruction based on the instruction The source information determines whether the source of the instruction is a preset source; if it is the preset source, determining that the instruction is an instruction carrying the encrypted soft SIM card information.

Optionally, the instruction is an AT command, and the acquiring unit is specifically configured to:

Obtaining an AT command through the AT channel; determining, according to the source information carried by the AT command, whether the source of the AT command is an AT tool; if yes, determining that the AT command is an instruction carrying the encrypted soft SIM card information.

Optionally, the obtaining unit determines, according to the source information carried by the AT command, whether the source of the AT command is an AT tool, including:

The acquiring unit filters the source information carried in the command header of the AT command by using an AT filter, and determines whether the source of the AT command is an AT tool.

Optionally, the generating unit is further configured to:

Before the soft SIM card information is encrypted, the CPU identifier of the terminal is obtained as the identifier of the terminal, according to the identifier of the terminal and the preset file encryption mode.

Optionally, the production device further includes:

And a processing unit, configured to store the soft SIM card file to a read-only partition of the terminal.

Optionally, the soft SIM card file is an image file.

Optionally, the processing unit is further configured to:

After storing the soft SIM card file to the read-only partition of the terminal, restart the operating system.

In a third aspect, the embodiment of the present invention further discloses a method for using a soft SIM card, which is applied to a terminal, and includes:

Obtaining the encrypted soft SIM card file stored in the terminal;

Decrypting the encrypted soft SIM card file according to the identifier of the terminal and the default file decryption manner to obtain soft SIM card information;

Extracting the IMSI and the KI in the soft SIM card information;

Network registration is completed according to the IMSI and KI.

Optionally, the obtaining the encrypted soft SIM card file stored in the terminal includes:

Obtaining the encrypted soft SIM card file stored in the read-only partition of the terminal.

Optionally, the soft SIM card file is an image file.

The encrypted soft SIM card file stored in the read-only partition of the terminal is obtained by the image file reading tool.

Optionally, the method further includes: before the decrypting the encrypted soft SIM card file, according to the identifier of the terminal and the default file decryption manner, the method further includes:

Obtaining a CPU identifier of the terminal as an identifier of the terminal.

In a fourth aspect, the embodiment of the present invention further discloses a device for using a soft SIM card, which is applied to a terminal, and includes:

An obtaining unit, configured to acquire an encrypted soft SIM card file stored in the terminal;

a decrypting unit, configured to decrypt the encrypted soft SIM card file according to the identifier of the terminal and a preset file decryption manner, to obtain soft SIM card information;

An extracting unit, configured to extract an IMSI and a KI in the soft SIM card information;

A registration unit is configured to complete network registration according to the IMSI and the KI.

Optionally, the obtaining unit is specifically configured to obtain an encrypted soft SIM card file stored in a read-only partition of the terminal.

Optionally, the soft SIM card file is an image file.

Optionally, the obtaining unit is specifically configured to obtain, by using an image file reading tool, the encrypted soft SIM card file stored in the read-only partition of the terminal.

Optionally, the decrypting unit is further configured to acquire the CPU identifier of the terminal as the terminal before decrypting the encrypted soft SIM card file according to the identifier of the terminal and the default file decryption manner. Logo.

In a fifth aspect, an embodiment of the present invention further discloses a method for processing a soft SIM card, including:

Obtain soft SIM card information;

Encrypting the soft SIM card information according to a preset information encryption manner to obtain encrypted soft SIM card information;

Generating an instruction carrying the encrypted soft SIM card information;

And transmitting the instruction, so that the instruction recipient decrypts the instruction according to a preset information decryption manner to obtain the soft SIM card information.

Optionally, the encrypting the soft SIM card information according to the preset information encryption manner includes:

The soft SIM card information is encrypted by an AT tool.

Optionally, the instruction is an AT instruction, and the sending the instruction includes:

The instruction is sent through the AT channel.

In a sixth aspect, an embodiment of the present invention further provides a processing apparatus for a soft SIM card, including:

An obtaining unit, configured to obtain soft SIM card information;

An encryption unit, configured to encrypt the soft SIM card information according to a preset information encryption manner, to obtain the encrypted soft SIM card information;

a generating unit, configured to generate an instruction that carries the encrypted soft SIM card information;

And a sending unit, configured to send the instruction, so that the instruction receiving party decrypts the instruction according to a preset information decryption manner to obtain the soft SIM card information.

Optionally, the encryption unit is specifically configured to encrypt the soft SIM card information by using an AT tool.

Optionally, the instruction is an AT command, and the sending unit is specifically configured to send the instruction by using an AT channel.

Compared with the prior art, the production, use, and processing method and device of the soft SIM card proposed by the embodiment of the present invention bind the terminal and the soft SIM card information in a file encryption manner to generate a soft SIM card file in the production stage, and solve the problem. Soft SIM card information has security risks in the production stage.

Further, the method, device and device for producing, using, and processing a soft SIM card according to an embodiment of the present invention decrypt the encrypted soft SIM card file by using the identifier of the terminal and the file decryption method to obtain the soft SIM card information. The two-way legality authentication of the soft SIM card file and the terminal solves the problem that the soft SIM card information has security risks during the use phase.

Further, the method for manufacturing, using, and processing the soft SIM card provided by the embodiment of the present invention transmits the soft SIM card information in an encrypted manner during the processing stage, thereby solving the problem of security risks in the transmission process of the soft SIM card information. .

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description are only some of the present invention. For the embodiments, other drawings may be obtained from those skilled in the art without any inventive labor.

FIG. 1 is a flowchart of a method for manufacturing a soft SIM card according to an embodiment of the present invention;

2 is a block diagram of a device for producing a soft SIM card according to an embodiment of the present invention;

FIG. 3 is a flowchart of a method for using a soft SIM card according to an embodiment of the present invention;

4 is a block diagram of a device for using a soft SIM card according to an embodiment of the present invention;

FIG. 5 is a flowchart of a method for processing a soft SIM card according to an embodiment of the present invention;

FIG. 6 is a block diagram of a processing apparatus of a soft SIM card according to an embodiment of the present invention.

Detailed ways

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the scope of the invention.

As shown in FIG. 1 , an embodiment of the present invention discloses a method for manufacturing a soft SIM card, which is applied to a terminal, such as a smart phone, a tablet computer, and the like, which are convenient to carry around. The method for producing a soft SIM card may include the following steps. 101~103:

101. Obtain an instruction that carries the encrypted soft SIM card information.

In this embodiment, the soft SIM card information includes an IMSI (International Mobile Subscriber Identification Number) and a KI (Key Identifier).

In this embodiment, the soft SIM card information is encapsulated into an instruction after being encrypted by a preset information encryption manner, and the soft SIM card information is no longer transmitted in a clear text form, thereby increasing the security of the soft SIM card information in the transmission process.

102. Decrypt the encrypted soft SIM card information according to a preset information decryption manner to obtain soft SIM card information.

In this embodiment, the preset information decryption mode is a decryption mode corresponding to the preset information encryption mode.

103. Encrypt the soft SIM card information according to the identifier of the terminal and a preset file encryption manner to generate an encrypted soft SIM card file.

In this embodiment, since the identifier of the terminal is the unique identity information of the terminal, the soft SIM information is encrypted by using the identifier of the terminal as a key, and the generated soft SIM card file can only be used in the terminal, and the terminal can only be used. The soft SIM card file realizes the binding of the terminal and the soft SIM card, and increases the security of producing the soft SIM card.

Compared with the prior art, the method for producing a soft SIM card according to the embodiment of the present invention acquires soft SIM card information encrypted by means of information encryption, and binds the terminal and the soft SIM card information in a file encryption manner to generate a soft SIM card file. The problem that the soft SIM card information has security risks in the production stage is solved.

In a specific example, the step 101 acquires an instruction that carries the encrypted soft SIM card information, and specifically includes steps 1011 to 1015 that are not shown in FIG. 1 as follows:

1011. Obtain an instruction.

1012. Determine an instruction type corresponding to the instruction based on the instruction type information carried by the instruction.

1013. Determine whether the instruction type is a preset instruction type; if it is a preset instruction type, execute step 1014; otherwise, do not perform any operation.

1014. Determine, according to the source information carried by the instruction, whether the source of the instruction is a preset source; if the preset source is, perform step 1015; otherwise, do not perform any operation.

1015. Determine that the instruction is an instruction that carries the encrypted soft SIM card information.

In this embodiment, the preset instruction type is an AT (Attention) command type, the preset source is an AT tool, and the AT tool is a computer running on a computer (for example, a personal computer PC). A tool that encrypts information and encapsulates it as an AT command.

In this embodiment, the soft SIM card information is encapsulated into a specific instruction type by a specific encryption tool after being encrypted by a preset information encryption manner, thereby further increasing the security of the soft SIM card information in the transmission process. After obtaining the instruction, the step 1011 determines whether the instruction is a specific instruction type and is encapsulated by a specific encryption tool. If yes, it may be determined that the instruction carries the encrypted soft SIM card information; otherwise, the instruction does not carry the encryption. The subsequent soft SIM card information should be ignored.

In a specific example, the instruction in step 101 is an AT command; correspondingly, the step 101 acquires an instruction carrying the encrypted soft SIM card information, specifically including the following step 1011' not shown in FIG. To 1013":

1011', acquire an AT command through the AT channel.

In this embodiment, the command is an AT command, and the AT channel can be established in advance between the command sender and the execution body (for example, the terminal) of the method, and the AT channel can be used until the terminal is turned off after the AT channel is established, and the AT channel is specifically used for transmitting the AT. The secure channel of the command increases the security of the AT command transmission process.

1012', determining whether the source of the AT command is an AT tool based on source information carried by the AT command. If yes, go to step 1013"; otherwise, do nothing.

1013", determining that the AT command is an instruction carrying the encrypted soft SIM card information.

In this embodiment, the soft SIM card information is encapsulated into an AT command by the AT tool after being encrypted by the preset information encryption method, and the AT command is transmitted in the AT channel, thereby further increasing the security of the soft SIM card information in the transmission process. Step 1011, after obtaining the AT command through the AT channel, determining whether the AT command is encapsulated by the AT tool, and if yes, determining that the AT command carries the encrypted soft SIM card information; otherwise, the AT command does not Carrying the encrypted soft SIM card information should be ignored.

In a specific example, the step 1012' determines whether the source of the AT command is an AT tool based on the source information carried by the AT command, and specifically includes:

The source information carried in the command header of the AT command is filtered by an AT filter to determine whether the source of the AT command is an AT tool.

In this embodiment, when the AT tool encapsulates the AT command, the source information is added in the command header of the AT command, and the AT filter checks the source information carried in the command header of the AT command, and filters out the source information that is not the AT command of the AT tool. The AT filter is a software program that runs in the terminal.

In the embodiment related to the AT tool in the foregoing embodiments, the encrypted soft SIM card information is soft SIM card information encrypted by the AT tool.

In the foregoing embodiments, before the soft SIM card information is encrypted according to the identifier of the terminal and the preset file encryption manner, the following step 103' not shown in FIG. 1 may be further included:

103. Obtain a CPU identifier of the terminal as an identifier of the terminal.

In this embodiment, by acquiring the CPU identifier of the terminal, and binding the CPU identifier and the soft SIM card information, the binding terminal and the soft SIM card information are realized, and the security of the soft SIM card in the production process is increased.

The method for producing a soft SIM card disclosed in the above embodiments may further include the following step 104 not shown in FIG. 1:

104. Store the soft SIM card file to a read-only partition of the terminal.

In this embodiment, the soft SIM card file is stored in a read-only partition, which increases the security of the soft SIM card. Further, the soft SIM card file may be an image file, and the image file further increases the security of the soft SIM card information.

In a specific example, after the step 104 stores the soft SIM card file to the read-only partition of the terminal, the method may further include the following step 105 not shown in FIG. 1:

105. Restart the operating system.

In this embodiment, restarting the operating system facilitates the terminal to perform network registration using the stored soft SIM card file.

It can be seen that the method for producing a soft SIM card disclosed in the above embodiments obtains the soft SIM card information encrypted by the information encryption method, and binds the terminal and the soft SIM card information in a file encryption manner to generate a soft SIM card file, thereby solving the soft The SIM card information has a security risk in the production stage.

The embodiment of the invention also discloses:

A1, a soft SIM card production device, applied to the terminal, as shown in FIG. 2, may include the following units: an obtaining unit 21, a decrypting unit 22, and a generating unit 23, and each unit is specifically described as follows:

The obtaining unit 21 is configured to acquire an instruction that carries the encrypted soft SIM card information;

The decrypting unit 22 is configured to decrypt the encrypted soft SIM card information according to a preset information decryption manner to obtain soft SIM card information.

The generating unit 23 is configured to encrypt the soft SIM card information according to the identifier of the terminal and a preset file encryption manner, and generate an encrypted soft SIM card file.

A2. The production unit according to A1, the obtaining unit 21 is specifically configured to:

A3. The production device according to A2, wherein the preset instruction type is an AT command type, and the preset source is an AT tool.

A4. The production device according to A1, wherein the instruction is an AT command; the acquiring unit 21 is specifically configured to:

A5. The production device according to A4, the obtaining unit 21 determines, according to the source information carried by the AT command, whether the source of the AT command is an AT tool, including:

The acquiring unit 21 filters the source information carried in the command header of the AT command by using an AT filter, and determines whether the source of the AT command is an AT tool.

A6. The production device according to any one of A3 to A5, wherein the encrypted soft SIM card information is soft SIM card information encrypted by an AT tool.

A7. The production device according to any one of A1 to A5, wherein the generating unit 23 is further configured to:

A8. The production apparatus according to any one of A1 to A5, wherein the production apparatus further comprises a processing unit 24 not shown in FIG. 2:

The processing unit 24 is configured to store the soft SIM card file to a read-only partition of the terminal.

A9. The production device according to A8, wherein the soft SIM card file is an image file.

A10. The production device according to A8, wherein the processing unit 24 is further configured to:

The production device of the soft SIM card disclosed in A1 to A10 can implement the flow of the method for producing the soft SIM card disclosed in the embodiments of FIG. 1. To avoid repetition, details are not described herein again.

As shown in FIG. 3, this embodiment discloses a method for using a soft SIM card, which is applied to a terminal, and may include the following steps 301-304:

301. Acquire an encrypted soft SIM card file stored in the terminal.

In this embodiment, the encrypted soft SIM card file stored in the terminal may be a soft SIM card file obtained by the method for producing the soft SIM card disclosed in the embodiments related to FIG.

302. Decrypt the encrypted soft SIM card file according to the identifier of the terminal and the default file decryption manner to obtain soft SIM card information.

In this embodiment, since the identifier of the terminal is the unique identity information of the terminal, the soft SIM information is encrypted by using the identifier of the terminal as a key, and the generated soft SIM card file can only be used in the terminal, and the terminal can only be used. The soft SIM card file realizes mutual binding between the terminal and the soft SIM card. Step 302 is equivalent to performing two-way authentication on the soft SIM card file by using the identifier of the terminal. If the decryption fails, the soft SIM card file is terminated.

303. Extract an IMSI and a KI in the soft SIM card information.

304. Complete network registration according to the IMSI and KI.

In this embodiment, the network registration is completed according to the IMSI and the KI, which is a mature technology in the field, and the process of completing the network registration is not repeated in this embodiment.

Compared with the prior art, the method for using the soft SIM card disclosed in this embodiment decrypts the encrypted soft SIM card file by using the identifier of the terminal and the file decryption method to obtain the soft SIM card information, and realizes the soft SIM card file and the terminal. Two-way legality authentication solves the problem of security risks in the use of soft SIM card information.

In a specific example, the obtaining the encrypted soft SIM card file stored in the terminal by the step 301 includes: acquiring the encrypted soft SIM card file stored in the read-only partition of the terminal.

In this embodiment, the soft SIM card file is stored in a read-only partition, which increases the security of the soft SIM card.

In a specific example, the obtaining the encrypted soft SIM card file stored in the terminal in step 301 includes: acquiring, by using an image file reading tool, the encrypted soft stored in the read-only partition of the terminal. SIM card file.

In this embodiment, the soft SIM card file is an image file, and the image file further increases the security of the soft SIM card information.

In a specific example, before the decrypting the encrypted soft SIM card file according to the identifier of the terminal and the preset file decryption manner, the method further includes the following steps not shown in FIG. 302':

302. Obtain a CPU identifier of the terminal as an identifier of the terminal.

It can be seen that, in the method for using the soft SIM card disclosed in the foregoing embodiments, the encrypted soft SIM card file is decrypted by the identifier of the terminal and the file decryption manner, and the soft SIM card information is obtained, thereby realizing the two-way legality of the soft SIM card file and the terminal. Sexual authentication has solved the problem of security risks in the use of soft SIM card information.

The embodiment of the invention also discloses:

B1. A device for using a soft SIM card is applied to a terminal. As shown in FIG. 4, the following units may be included: an obtaining unit 41, a decrypting unit 42, an extracting unit 43, and a registration unit 44, and each unit is specifically described as follows:

The obtaining unit 41 is configured to acquire the encrypted soft SIM card file stored in the terminal;

The decrypting unit 42 is configured to decrypt the encrypted soft SIM card file according to the identifier of the terminal and the default file decryption manner, to obtain soft SIM card information;

The extracting unit 43 is configured to extract the IMSI and the KI in the soft SIM card information;

The registration unit 44 is configured to complete network registration according to the IMSI and the KI.

B2. The acquiring unit 41 is configured to acquire an encrypted soft SIM card file stored in a read-only partition of the terminal.

B3. The device according to B1 or B2, wherein the soft SIM card file is an image file.

B4. The device for use according to B3, the acquiring unit 41 is specifically configured to acquire, by using an image file reading tool, an encrypted soft SIM card file stored in a read-only partition of the terminal.

B5. The use device according to B1 or B2, the decrypting unit 42 is further configured to acquire the encrypted soft SIM card file before decrypting the encrypted soft SIM card file according to the identifier of the terminal and a preset file decryption manner. The CPU identifier of the terminal is used as the identifier of the terminal.

The device for using the soft SIM card disclosed in B1 to B5 can implement the flow of the method for using the soft SIM card disclosed in the embodiments of FIG. 3. To avoid repetition, details are not described herein again.

As shown in FIG. 5, this embodiment discloses a method for processing a soft SIM card, and the execution body of the method is a computer (for example, a personal computer PC). The processing method of the soft SIM card may include the following steps 501-504:

501. Obtain soft SIM card information.

In this embodiment, the soft SIM card information in clear text can be obtained from the server. The server stores soft SIM card information in clear text.

502. Encrypt the soft SIM card information according to a preset information encryption manner to obtain the encrypted soft SIM card information.

In this embodiment, by encrypting the information in the soft SIM card information in the plaintext form, the security of the soft SIM card information in the transmission process is increased.

503. Generate an instruction that carries the encrypted soft SIM card information.

In this embodiment, by encapsulating the encrypted soft SIM card information as an instruction, the security of the soft SIM card information in the transmission process is further increased.

504. Send the instruction, so that the instruction receiver decrypts the instruction according to a preset information decryption manner to obtain the soft SIM card information.

In this embodiment, the instruction receiver is a terminal.

Compared with the prior art, the processing method of the soft SIM card disclosed in the embodiment of the present invention transmits the soft SIM card information in an encrypted manner, thereby solving the problem that the soft SIM card information has security risks in the transmission process.

In a specific example, the encrypting the soft SIM card information according to the preset information encryption manner, as described in step 502, includes:

The soft SIM card information is encrypted by an AT tool.

In this embodiment, the soft SIM card information is encrypted by the AT tool, and the information encryption of the soft SIM card information and the security of the soft SIM card information in the transmission process are realized.

In a specific example, the instruction in step 503 is an AT instruction, and correspondingly, the sending the instruction in step 504 includes:

The instruction is sent through the AT channel.

In this embodiment, an AT channel can be established in advance between an execution body (for example, a PC) of the method and an instruction receiver (for example, a terminal), and the AT channel can be used until the terminal is turned off after the AT channel is established, and the AT channel is specifically used for transmitting the AT command. The secure channel increases the security of the AT command transmission process.

It can be seen that the processing method of the soft SIM card disclosed in the foregoing embodiments transmits the soft SIM card information in an encrypted manner, thereby solving the problem that the soft SIM card information has a security risk in the transmission process.

The embodiment of the invention also discloses:

C1. A processing device of a soft SIM card, as shown in FIG. 6, may include the following units: an obtaining unit 61, an encrypting unit 62, a generating unit 63, and a transmitting unit 64, and each unit is specifically described as follows:

The obtaining unit 61 is configured to obtain soft SIM card information.

The encryption unit 62 is configured to encrypt the soft SIM card information according to a preset information encryption manner to obtain the encrypted soft SIM card information;

a generating unit 63, configured to generate an instruction that carries the encrypted soft SIM card information;

The sending unit 64 is configured to send the instruction, so that the instruction receiving party decrypts the instruction according to a preset information decryption manner to obtain the soft SIM card information.

C2. The processing unit according to C1, the encryption unit 62 is specifically configured to encrypt the soft SIM card information by using an AT tool.

C3. The processing device according to C1, wherein the instruction is an AT command, and the sending unit 64 is specifically configured to send the instruction by using an AT channel.

The processing device of the soft SIM card disclosed in C1 to C3 can implement the flow of the processing method of the soft SIM card disclosed in the embodiments of FIG. 5, and details are not described herein again.

It will be appreciated that the embodiments described herein can be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware implementation, the processing unit can be implemented in one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processing (DSP), Digital Signal Processing Equipment (DSP Device, DSPD), programmable Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general purpose processor, controller, microcontroller, microprocessor, other for performing the functions described herein In an electronic unit or a combination thereof.

For a software implementation, the techniques described herein can be implemented by means of performing the functions described herein. The software code can be stored in memory and executed by the processor. The memory can be implemented in the processor or external to the processor.

Those of ordinary skill in the art will appreciate that the elements and algorithm steps of the various examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the solution. A person skilled in the art can use different methods for implementing the described functions for each particular application, but such implementation should not be considered to be beyond the scope of the present invention.

In the embodiments provided by the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed. In addition, the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

The functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the embodiments of the present invention, or the part contributing to the prior art or the part of the technical solution, may be embodied in the form of a software product stored in a storage medium. A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention. The foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.

It is to be understood that the term "comprises", "comprising", or any other variants thereof, is intended to encompass a non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes those elements. It also includes other elements that are not explicitly listed, or elements that are inherent to such a process, method, article, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

It should be noted that, in this context, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these There is any such actual relationship or order between entities or operations.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Industrial applicability

The production, use, and processing method and device of the soft SIM card according to the embodiment of the present invention bind the terminal and the soft SIM card information in a file encryption manner to generate a soft SIM card file, and solve the soft SIM card information in the production stage. There are security risks in the stage. Further, the method, device and device for producing, using, and processing a soft SIM card according to an embodiment of the present invention decrypt the encrypted soft SIM card file by using the identifier of the terminal and the file decryption method to obtain the soft SIM card information. The two-way legality authentication of the soft SIM card file and the terminal solves the problem that the soft SIM card information has security risks during the use phase. Further, the method for manufacturing, using, and processing the soft SIM card provided by the embodiment of the present invention transmits the soft SIM card information in an encrypted manner during the processing stage, thereby solving the problem of security risks in the transmission process of the soft SIM card information. .

Therefore, the present invention has strong industrial applicability.

Claims

A method for producing a soft SIM card, which is applied to a terminal, and includes:

Obtaining an instruction carrying the encrypted soft SIM card information;

Decrypting the encrypted soft SIM card information according to a preset information decryption manner to obtain soft SIM card information;

And encrypting the soft SIM card information according to the identifier of the terminal and a preset file encryption manner to generate an encrypted soft SIM card file.
The method according to claim 1, wherein the obtaining an instruction carrying the encrypted soft SIM card information comprises:

Get instruction

Determining an instruction type corresponding to the instruction based on the instruction type information carried by the instruction;

Determining whether the instruction type is a preset instruction type;

If it is a preset instruction type, determining whether the source of the instruction is a preset source based on source information carried by the instruction;

If it is the preset source, it is determined that the instruction is an instruction carrying the encrypted soft SIM card information.
The method according to claim 2, wherein the preset instruction type is an AT command type, and the preset source is an AT tool.
The method according to claim 1, wherein the instruction is an AT command; and the obtaining an instruction carrying the encrypted soft SIM card information comprises:

Obtain an AT command through the AT channel;

Determining whether the source of the AT command is an AT tool based on source information carried by the AT command;

If yes, it is determined that the AT command is an instruction carrying the encrypted soft SIM card information.
The method according to claim 4, wherein the determining, based on the source information carried by the AT command, whether the source of the AT command is an AT tool comprises:

The source information carried in the command header of the AT command is filtered by the AT filter to determine whether the source of the AT command is an AT tool.
The method according to any one of claims 3 to 5, wherein the encrypted soft SIM card information is soft SIM card information encrypted by an AT tool.
The method according to any one of claims 1 to 5, wherein before the encrypting the soft SIM card information according to the identifier of the terminal and the preset file encryption manner, the method further includes:

Obtaining a CPU identifier of the terminal as an identifier of the terminal.
The method according to any one of claims 1 to 5, further comprising:

Storing the soft SIM card file to a read-only partition of the terminal.
The method of claim 8 wherein said soft SIM card file is an image file.
The method according to claim 8, wherein after the storing the soft SIM card file to the read-only partition of the terminal, the method further comprises:

Restart the operating system.
A device for producing a soft SIM card, which is applied to a terminal, and includes:

An obtaining unit, configured to acquire an instruction that carries the encrypted soft SIM card information;

a decryption unit, configured to decrypt the encrypted soft SIM card information according to a preset information decryption manner, to obtain soft SIM card information;

And a generating unit, configured to encrypt the soft SIM card information according to the identifier of the terminal and a preset file encryption manner, and generate an encrypted soft SIM card file.
The production device according to claim 11, wherein the obtaining unit is specifically configured to:

Obtaining an instruction; determining, according to the instruction type information carried by the instruction, an instruction type corresponding to the instruction; determining whether the instruction type is a preset instruction type; and if it is a preset instruction type, carrying the instruction based on the instruction The source information determines whether the source of the instruction is a preset source; if it is the preset source, determining that the instruction is an instruction carrying the encrypted soft SIM card information.
The production apparatus according to claim 12, wherein the preset instruction type is an AT command type, and the preset source is an AT tool.
The production apparatus according to claim 11, wherein the instruction is an AT command; and the acquiring unit is specifically configured to:

Obtaining an AT command through the AT channel; determining, according to the source information carried by the AT command, whether the source of the AT command is an AT tool; if yes, determining that the AT command is an instruction carrying the encrypted soft SIM card information.
The production apparatus according to claim 14, wherein the obtaining unit determines whether the source of the AT command is an AT tool based on the source information carried by the AT command, and includes:

The acquiring unit filters the source information carried in the command header of the AT command by using an AT filter, and determines whether the source of the AT command is an AT tool.
The production apparatus according to any one of claims 13 to 15, wherein the encrypted soft SIM card information is soft SIM card information encrypted by an AT tool.
The production unit according to any one of claims 11 to 15, wherein the generating unit is further configured to:

Before the soft SIM card information is encrypted, the CPU identifier of the terminal is obtained as the identifier of the terminal, according to the identifier of the terminal and the preset file encryption mode.
The production apparatus according to any one of claims 11 to 15, wherein the production apparatus further comprises:

And a processing unit, configured to store the soft SIM card file to a read-only partition of the terminal.
The production apparatus according to claim 18, wherein said soft SIM card file is an image file.
The production unit according to claim 18, wherein the processing unit is further configured to:

After storing the soft SIM card file to the read-only partition of the terminal, restart the operating system.
A method for using a soft SIM card, which is applied to a terminal, and includes:

Obtaining the encrypted soft SIM card file stored in the terminal;

Decrypting the encrypted soft SIM card file according to the identifier of the terminal and the default file decryption manner to obtain soft SIM card information;

Extracting the IMSI and the KI in the soft SIM card information;

Network registration is completed according to the IMSI and KI.
The method according to claim 21, wherein the obtaining the encrypted soft SIM card file stored in the terminal comprises:

Obtaining the encrypted soft SIM card file stored in the read-only partition of the terminal.
The method according to claim 21 or 22, wherein the soft SIM card file is an image file.
The method of claim 23, wherein the obtaining the encrypted soft SIM card file stored in the terminal comprises:

The encrypted soft SIM card file stored in the read-only partition of the terminal is obtained by the image file reading tool.
The method according to any one of claims 21 or 22, wherein the method further comprises: before decrypting the encrypted soft SIM card file according to the identifier of the terminal and the default file decryption manner, the method further comprises :

Obtaining a CPU identifier of the terminal as an identifier of the terminal.
A device for using a soft SIM card, which is applied to a terminal, and includes:

An obtaining unit, configured to acquire an encrypted soft SIM card file stored in the terminal;

a decrypting unit, configured to decrypt the encrypted soft SIM card file according to the identifier of the terminal and a preset file decryption manner, to obtain soft SIM card information;

An extracting unit, configured to extract an IMSI and a KI in the soft SIM card information;

A registration unit is configured to complete network registration according to the IMSI and the KI.
The device according to claim 26, wherein the obtaining unit is specifically configured to acquire an encrypted soft SIM card file stored in a read-only partition of the terminal.
The use device according to claim 26 or 27, wherein the soft SIM card file is an image file.
The device according to claim 28, wherein the obtaining unit is configured to acquire an encrypted soft SIM card file stored in a read-only partition of the terminal by using an image file reading tool.
The device according to claim 26 or 27, wherein the decrypting unit is further configured to: before decrypting the encrypted soft SIM card file according to the identifier of the terminal and the decryption mode of the preset file, Obtaining a CPU identifier of the terminal as an identifier of the terminal.
A method for processing a soft SIM card, comprising:

Obtain soft SIM card information;

Encrypting the soft SIM card information according to a preset information encryption manner to obtain encrypted soft SIM card information;

Generating an instruction carrying the encrypted soft SIM card information;

And transmitting the instruction, so that the instruction recipient decrypts the instruction according to a preset information decryption manner to obtain the soft SIM card information.
The method according to claim 31, wherein the encrypting the soft SIM card information according to a preset information encryption manner comprises:

The soft SIM card information is encrypted by an AT tool.
The method of claim 31, wherein the instruction is an AT instruction, and the sending the instruction comprises:

The instruction is sent through the AT channel.
A processing device for a soft SIM card, comprising:

An obtaining unit, configured to obtain soft SIM card information;

An encryption unit, configured to encrypt the soft SIM card information according to a preset information encryption manner, to obtain the encrypted soft SIM card information;

a generating unit, configured to generate an instruction that carries the encrypted soft SIM card information;

And a sending unit, configured to send the instruction, so that the instruction receiving party decrypts the instruction according to a preset information decryption manner to obtain the soft SIM card information.
The processing device according to claim 34, wherein the encryption unit is specifically configured to encrypt the soft SIM card information by using an AT tool.
The processing device according to claim 34, wherein the instruction is an AT command, and the sending unit is specifically configured to send the instruction through an AT channel.