CN106937274B - Profile switching method and device based on EUICC - Google Patents
Profile switching method and device based on EUICC Download PDFInfo
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- CN106937274B CN106937274B CN201710338623.3A CN201710338623A CN106937274B CN 106937274 B CN106937274 B CN 106937274B CN 201710338623 A CN201710338623 A CN 201710338623A CN 106937274 B CN106937274 B CN 106937274B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/20—Transfer of user or subscriber data
- H04W8/205—Transfer to or from user equipment or user record carrier
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Abstract
The embodiment of the invention discloses a Profile switching method based on an EUICC card, wherein when a user requests an operator server to change an SIM card, the operator server issues a corresponding second Profile, and a Profile resolver is used for resolving and installing the Profile; when a user activates the Profile which is installed successfully, a Profile generator is used for generating a first Profile from the currently used SIM card and related data, and the first Profile is sent to a cloud server for storage; and then setting the second Profile as the SIM card currently used by the terminal equipment, thereby realizing the switching of the Profile. The use experience of the user is improved, and the production cost of operators is effectively reduced. In addition, the embodiment of the invention also provides a corresponding implementation device, so that the method has higher practicability and the device has corresponding advantages.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a Profile switching method and device based on an EUICC card.
Background
The EUICC Card (Embedded Universal Integrated Circuit Card) is a non-pluggable SIM Card that can be used in any terminal equipment, and the biggest difference between the EUICC Card and a common SIM Card is that the EUICC Card is fixed in a terminal and cannot be replaced at will, and the software functions are basically consistent.
Profile is a general name of a series of files and data related to a certain MNO (Mobile Network Operator) inside the EUICC, and usually, there are multiple profiles in one EUICC card, and each Profile corresponds to one SIM card and a unique user identification number. The EUICC card can realize remote downloading, deleting, replacing, activating, updating and the like of operator data based on OTA mode configuration, and flexibly realize the migration among different operators.
However, because the EUICC card has limited space and limited Profile stored locally, most operators have to download corresponding Profile configuration files again when switching, and when a user deletes a certain operator and then reuses the product of the operator, the user identification number (card number), phone book, short message and other related data have to be redistributed, which brings great inconvenience to the user and the operator, and increases the use cost of the user and the production cost of the operator to a certain extent.
Disclosure of Invention
The embodiment of the invention aims to provide a Profile switching method and device based on an EUICC card, so as to solve the storage problem of the Profile when the EUICC card space is limited.
In order to solve the above technical problems, embodiments of the present invention provide the following technical solutions:
an embodiment of the present invention provides a Profile switching method based on an EUICC card, including:
when detecting that a user requests to download a second Profile from an operator server, analyzing the received second Profile into a command with a preset format by using a Profile analyzer, and installing the command;
when the user is detected to activate the second Profile, a Profile generator is used for generating a first Profile according to an ASN.1 coding format for a first SIM card and related data which are currently used, and the first Profile is sent to a cloud server for storage;
and when the second Profile is successfully activated, setting a second SIM card corresponding to the second Profile as the SIM card currently used by the terminal equipment so as to realize the switching of the profiles.
Optionally, the method further includes:
judging whether the second SIM card is connected with a network or not;
and when the second SIM card cannot be connected with the network, reading the first Profile file from the cloud server to obtain the first SIM card and corresponding data, and setting the first SIM card as the SIM card currently used by the terminal equipment.
Optionally, the sending and storing to the cloud server includes:
sending an instruction for storing the first Profile to the cloud server;
receiving verification information sent by the cloud server, displaying the verification information to the user, and sending the verification information input by the user to the cloud server;
and when an instruction that the cloud server passes verification is received, sending the first Profile to the cloud server for storage.
Optionally, the reading the first Profile file from the cloud server includes:
sending an instruction for reading the first Profile to the cloud server, displaying the first Profile to the user when verification information sent by the cloud server is received, and sending the verification information input by the user to the cloud server;
and receiving the first Profile sent by the cloud server after judging that the verification information is correct, and storing the first Profile in the terminal equipment.
Optionally, after the second Profile is successfully activated, setting the second SIM card corresponding to the second Profile as the SIM card currently used by the terminal device further includes:
acquiring a second subscriber identity number corresponding to the second SIM card;
and sending the second user identification number and an instruction for modifying the bound user identification number to the cloud server, so that the cloud server switches the bound first user identification number corresponding to the first SIM card into the second user identification number.
Optionally, after the generating the first Profile according to the asn.1 coding format by using the Profile generator to generate the currently used SIM card and the related data, the method further includes:
and encrypting the first Profile by using a preset encryption algorithm.
Optionally, the generating a first Profile according to the asn.1 coding format by using the Profile generator to generate the currently used SIM card and the related data includes:
prompting the user whether to backup the first SIM card and related data;
and after receiving an instruction of a user for backing up the first SIM card and related data, generating a first Profile by using a Profile generator for the currently used SIM card and the related data according to an ASN.1 coding format.
Another aspect of the embodiments of the present invention provides a Profile switching apparatus based on an EUICC card, including:
the second Profile generation module is used for analyzing the received second Profile into a command with a preset format by using a Profile analyzer and installing the command when detecting that the user requests to download the second Profile from the operator server;
the first Profile backup module is used for generating a first Profile according to an ASN.1 coding format by using a Profile generator for the first SIM card and related data which are currently used when the user is detected to activate the second Profile, and sending the first Profile to the cloud server for storage;
and the switching module is used for setting the second SIM card corresponding to the second Profile as the SIM card currently used by the terminal equipment after the second Profile is successfully activated so as to realize the switching of the Profile.
Optionally, the method further includes:
the effective management module is used for judging whether the second SIM card is connected with a network or not; and when the second SIM card cannot be connected with the network, reading the first Profile file from the cloud server to obtain the first SIM card and corresponding data, and setting the first SIM card as the SIM card currently used by the terminal equipment.
Optionally, the method further includes:
and the encryption module is used for encrypting the first Profile by using a preset encryption algorithm.
The embodiment of the invention provides a Profile switching method based on an EUICC card, wherein when a user requests an operator server to change an SIM card, the operator server issues a corresponding second Profile, and the Profile parser is used for parsing the Profile into a command with a preset format and installing the command; when the user activates the second Profile which is installed successfully, a Profile generator is used for generating a first Profile from a first SIM card which is used currently and related data, and the first Profile is sent to a cloud server for storage; and then setting a second SIM card corresponding to the second Profile as the SIM card currently used by the terminal equipment, thereby realizing the switching of the Profile.
The technical scheme provided by the application has the advantages that when a user needs to use a new SIM card, the original SIM card and related data in the EUICC card are backed up to the cloud server, and when the SIM card needs to be migrated, the corresponding Profile is directly downloaded from the cloud server. The method effectively solves the problem that the stored Profile is limited due to the limited space of the EUICC card, can store all used Profile data of the EUICC card user, effectively ensures the integrity and timeliness of the user to the data of each operator, facilitates the use of the user, improves the use experience of the user, effectively lowers the production cost of the operators, and has good social and economic benefits.
In addition, the embodiment of the invention also provides a corresponding implementation device for the Profile switching method based on the EUICC card, so that the method has higher practicability and the device has corresponding advantages.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a Profile switching method based on an EUICC card according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of another Profile switching method based on an EUICC card according to an embodiment of the present invention;
fig. 3 is a structural diagram of a specific embodiment of a Profile switching apparatus based on an EUICC card according to an embodiment of the present invention;
fig. 4 is a structural diagram of another embodiment of a Profile switching apparatus based on an EUICC card according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terms "first," "second," "third," "fourth," and the like in the description and claims of this application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may include other steps or elements not expressly listed.
Having described the technical solutions of the embodiments of the present invention, various non-limiting embodiments of the present application are described in detail below.
Referring to fig. 1, fig. 1 is a schematic flow chart of a Profile switching method based on an EUICC card according to an embodiment of the present invention, where the embodiment of the present invention may include the following:
s101: when detecting that a user requests to download a second Profile from an operator server, analyzing the received second Profile into a command with a preset format by using a Profile analyzer, and installing.
Different operators correspond to different profiles, and the profiles are uniquely corresponding to the SIM card and have unique user identification numbers. When the user finds more favorable package service or the user needs to change the network (different operators), the user can request to download a new SIM card from the operator server in real time, the SIM card is quickly changed into the local network, and roaming among networks can be reduced.
When the user sends a card change to the corresponding operator server, namely a request for downloading a new Profile file, the operator server issues the Profile. And when receiving the Profile sent by the operator server, analyzing the Profile by using a Profile analyzer, namely extracting the information in the Profile and writing the information into the SIM card. The APDU commands can be analyzed to be recognizable, and of course, the APDU commands can be analyzed to be other types of commands.
S102: and when the user is detected to activate the second Profile, generating a first Profile by using a Profile generator according to the ASN.1 coding format by using the first SIM card and the related data which are currently used, and sending the first Profile to a cloud server for storage.
When a user activates the installed second Profile and the current terminal equipment uses a first SIM card, in order to effectively utilize the limited space of the EUICC card, the first SIM card and related data can be used for generating a first Profile by using a Profile generator, specifically, the content of the file system can be obtained by sequentially reading the file system of the current SIM card, and then the content is correspondingly filled into a Profile template; and when the content is filled, the Profile of the current SIM virtual card is generated. The Profile template may include a file system component, a network authentication component, an application component, and a security component.
Asn.1 is a standard defining the form of an abstract data type specification for a flexible notation describing the representation, encoding, transmission, decoding of data. It provides a formal, unambiguous and precise set of rules to describe the structure of an object independent of the particular computer hardware. Asn.1 sends information in any form (audio, video, data, etc.) that must be transmitted digitally and that contains only the structural aspects of the information, but does not limit the method of its encoding. The standard ASN.1 coding rules comprise basic coding rules, canonical coding rules, unique coding rules, compression coding rules, XML coding rules and the like. Specifically, which encoding format is adopted is not limited in this application.
In consideration of the fact that the currently used SIM card is backed up and stored in the cloud server, repeated storage is avoided, and when the first Profile is generated by the Profile generator, the available user can prompt whether to back up the current SIM card or not.
The prompts may be displayed on the screen in the form of some form of information (e.g., a liquid crystal display). The certain format information may be text information, such as whether to back up the first SIM card; can also be in the form of pictures; the numerical expression can also be in a digital form, and the meaning of the specific numerical expression can be preset; or in the form of letters, such as 010-SAVE. Of course, any other format of information may be used for prompting, which does not affect the implementation of the present embodiment. The prompt can be performed in a voice mode, specifically, the prompt can be performed through sounding, and for example, whether the first SIM card is backed up or not can be output through voice.
By consulting whether to backup or not to the user, repeated backup operation is avoided, the working efficiency of the whole system is effectively improved, and the resources of the cloud server are saved.
When sending the generated first Profile to the cloud server for storage, for further improving the security of data, avoiding leakage, the method may further include:
and encrypting the first Profile by using a preset encryption algorithm.
The first Profile is encrypted by using a key, and symmetric key encryption can be adopted, namely a sender and a receiver of information use the same key to encrypt and decrypt data, so that the method is suitable for encrypting large data volume; the asymmetric key encryption can also be adopted to respectively finish the encryption and decryption operations by using different keys, wherein the operations comprise a public key and a private key, the information sender uses a public key to decrypt, and the information receiver uses a private key to decrypt; or the encryption is carried out by combining the two, which does not influence the realization of the application.
By encrypting the first Profile, even if the first Profile is stolen, decryption processing is required to be performed when the first Profile is read, otherwise, data reading cannot be performed, so that the safety of the first Profile is further improved, and information leakage is effectively prevented.
S103: and when the second Profile is successfully activated, setting a second SIM card corresponding to the second Profile as the SIM card currently used by the terminal equipment so as to realize the switching of the profiles.
In the technical scheme provided by the embodiment of the invention, when a user needs to use a new SIM card, the original SIM card and related data in the EUICC card are backed up to the cloud server, and when the SIM card needs to be migrated, the corresponding Profile is directly downloaded from the cloud server. The method effectively solves the problem that the stored Profile is limited due to the limited space of the EUICC card, can store all used Profile data of the EUICC card user, effectively ensures the integrity and timeliness of the user to the data of each operator, facilitates the use of the user, improves the use experience of the user, effectively lowers the production cost of the operators, and has good social and economic benefits.
It is considered that during the switching process of the SIM card, an error may occur in the process of switching the SIM card by the user due to an operation error or an error occurring in the server of the operator. In view of the above, referring to fig. 2, the method according to the above embodiment may further include:
s104: judging whether the second SIM card is connected with a network or not;
s105: and when the second SIM card cannot be connected with the network, reading the first Profile file from the cloud server to obtain the first SIM card and corresponding data, and setting the first SIM card as the SIM card currently used by the terminal equipment.
When the first SIM card is switched to the second SIM card, whether the second SIM card is available or not and whether the switching is successful or not are detected by judging whether the second SIM card can be successfully connected with the network or not. When the second SIM card is detected to be incapable of connecting with the network, namely the second SIM card is abnormal and can not be used, the second SIM card is switched to the first SIM card again in order to not influence the use of the user. The card replacing method is beneficial to improving the continuity and reliability of the card replacing process, and further improves the use experience of a user. The user can access a mobile network with better signals, higher communication quality and higher network speed according to the current network condition, thereby obtaining better communication service.
In order to further improve the security and reliability of storing the first Profile, based on the above embodiment, the sending to the cloud server in S102 may specifically include:
sending an instruction for storing the first Profile to the server;
receiving verification information sent by the cloud server, displaying the verification information to the user, and sending the verification information input by the user to the cloud server;
and when an instruction that the cloud server passes verification is received, sending the first Profile to the cloud server for storage.
The verification information may be a cloud account registered by the user when applying for the EUICC card. The sent authentication information may be an account number (user name) and a password prompting the user to log in. Of course, other forms of verification information are possible, which do not affect the implementation of the present application.
Correspondingly, when reading first Profile from the cloud server, in order to improve the security of data, avoid data to be stolen and leak, still can include:
sending an instruction for reading the first Profile to the server, displaying the first Profile to the user when receiving verification information sent by the cloud server, and sending the verification information input by the user to the cloud server;
and receiving the first Profile sent by the cloud server after judging that the verification information is correct, and storing the first Profile in the terminal equipment.
The verification information can also be a cloud account registered by the user, and the user is prompted to log in. Currently, other authentication information is also possible.
Based on the above embodiment, to further improve the security of the data, the method may further include:
acquiring a second subscriber identity number corresponding to the second SIM card;
and sending the second user identification number and an instruction for modifying the bound user identification number to the cloud server, so that the cloud server switches the bound first user identification number corresponding to the first SIM card into the second user identification number.
The SIM card used by the EUICC card at present is bound with the cloud server, when the fact that the Profile is stored or the stored Profile is read is detected, verification information can be sent to the bound SIM card, after the verification information is received, corresponding data are provided according to requirements, and otherwise, the user is prompted to make mistakes.
And after the SIM card currently used by the EUICC card is switched, in order to ensure the validity, the bound SIM card can be switched in time, and because the SIM card has a unique user identification number, such as a mobile phone number, the binding of the cloud server can be realized through the user identification code.
The cloud server is bound with the currently used SIM card in real time, so that the data security and the system reliability are effectively improved.
The embodiment of the invention also provides a corresponding implementation device for the Profile switching method based on the EUICC card, so that the method has higher practicability. In the following, the Profile switching apparatus based on the EUICC card according to the embodiment of the present invention is introduced, and the Profile switching apparatus based on the EUICC card described below and the Profile switching method based on the EUICC card described above may be referred to correspondingly.
Referring to fig. 3, fig. 3 is a structural diagram of a Profile switching apparatus based on an EUICC card according to an embodiment of the present invention, where the apparatus may include:
the second Profile generation module 301 is configured to, when it is detected that the user requests the operator server to download the second Profile, analyze the received second Profile into a command in a preset format by using a Profile analyzer, and install the command.
The first Profile backup module 302 is configured to, when it is detected that the user activates the second Profile, generate a first Profile according to an asn.1 coding format using a Profile generator for the first SIM card and the related data that are currently used, and send the first Profile to the cloud server for storage.
And the switching module 303 is configured to set the second SIM card corresponding to the second Profile as the SIM card currently used by the terminal device after the second Profile is successfully activated, so as to implement Profile switching.
In one embodiment, the first Profile backup module 302 may be configured to send an instruction to the server to store the first Profile; receiving verification information sent by the cloud server, displaying the verification information to the user, and sending the verification information input by the user to the cloud server; and when an instruction that the cloud server passes the verification is received, the first Profile is sent to a module for storage of the cloud server.
Optionally, in some embodiments of this embodiment, referring to fig. 4, the apparatus may further include:
an effective management module 304, configured to determine whether the second SIM card is connected to a network; and when the second SIM card cannot be connected with the network, reading the first Profile file from the cloud server to obtain the first SIM card and corresponding data, and setting the first SIM card as the SIM card currently used by the terminal equipment.
The effective management module 304 may send an instruction for reading the first Profile to the server, display the first Profile to the user when receiving the verification information sent by the cloud server, and send the verification information input by the user to the cloud server; and receiving the first Profile sent by the cloud server after the verification information is judged to be correct, and storing the first Profile in the terminal equipment.
Optionally, in other embodiments of this embodiment, referring to fig. 4, the apparatus may further include:
the encryption module 305 is configured to encrypt the first Profile by using a preset encryption algorithm.
The method can also comprise the following steps:
a binding module 306, configured to obtain a second subscriber identity number corresponding to the second SIM card; and sending the second user identification number and an instruction for modifying the bound user identification number to the cloud server, so that the cloud server switches the bound first user identification number corresponding to the first SIM card into the second user identification number.
It should be noted that the EUICC card further includes a basic service module, which includes a JCVM (java card virtual machine), a communication interface, and an encryption/decryption algorithm interface, and provides services such as communication, security, storage, and the like of the bottom layer for each module, and the java card virtual machine implements logical separation of an upper layer SIM card application from a specific bottom layer chip, and also enhances SIM card portability, thereby ensuring that the upper layer SIM virtual card does not depend on a specific chip platform. In addition, the upper layer SIM virtual card can obtain the same security support as the existing entity SIM card through a secure API interface.
The functions of the functional modules of the Profile switching apparatus based on the EUICC card according to the embodiment of the present invention may be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process may refer to the description related to the foregoing method embodiment, which is not described herein again.
As can be seen from the above, in the embodiment of the present invention, when a user needs to use a new SIM card, the original SIM card and related data in the EUICC card are backed up to the cloud server, and when the SIM card needs to be migrated, the corresponding Profile is directly downloaded from the cloud server. The method effectively solves the problem that the stored Profile is limited due to the limited space of the EUICC card, can store all used Profile data of the EUICC card user, effectively ensures the integrity and timeliness of the user to the data of each operator, facilitates the use of the user, improves the use experience of the user, effectively lowers the production cost of the operators, and has good social and economic benefits.
The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The method and the device for Profile switching based on the EUICC card provided by the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A Profile switching method based on an EUICC card is characterized by comprising the following steps:
when detecting that a user requests to download a second Profile from an operator server, analyzing the received second Profile into a command with a preset format by using a Profile analyzer, and installing the command;
when the user is detected to activate the second Profile, a Profile generator is used for generating a first Profile according to an ASN.1 coding format for a first SIM card and related data which are currently used, and the first Profile is sent to a cloud server for storage;
and when the second Profile is successfully activated, setting a second SIM card corresponding to the second Profile as the SIM card currently used by the terminal equipment so as to realize the switching of the profiles.
2. The method of claim 1, further comprising:
judging whether the second SIM card is connected with a network or not;
and when the second SIM card cannot be connected with the network, reading the first Profile file from the cloud server to obtain the first SIM card and corresponding data, and setting the first SIM card as the SIM card currently used by the terminal equipment.
3. The method of claim 1, wherein the sending and storing to a cloud server comprises:
sending an instruction for storing the first Profile to the cloud server;
receiving verification information sent by the cloud server, displaying the verification information to the user, and sending the verification information input by the user to the cloud server;
and when an instruction that the cloud server passes verification is received, sending the first Profile to the cloud server for storage.
4. The method of claim 2, wherein the reading the first Profile file from the cloud server comprises:
sending an instruction for reading the first Profile to the cloud server, displaying the first Profile to the user when verification information sent by the cloud server is received, and sending the verification information input by the user to the cloud server;
and receiving the first Profile sent by the cloud server after judging that the verification information is correct, and storing the first Profile in the terminal equipment.
5. The method of claim 4, wherein after the setting the second SIM card corresponding to the second Profile as the SIM card currently used by the terminal device after the second Profile is successfully activated, further comprises:
acquiring a second subscriber identity number corresponding to the second SIM card;
and sending the second user identification number and an instruction for modifying the bound user identification number to the cloud server, so that the cloud server switches the bound first user identification number corresponding to the first SIM card into the second user identification number.
6. The method according to any of claims 1 to 5, wherein after the generating a first Profile according to the ASN.1 encoding format by the Profile generator for the currently used SIM card and the related data, further comprises:
and encrypting the first Profile by using a preset encryption algorithm.
7. The method of claim 6, wherein the generating a first Profile from the currently used SIM card and related data according to the asn.1 coding format by using the Profile generator comprises:
prompting the user whether to backup the first SIM card and related data;
and after receiving an instruction of a user for backing up the first SIM card and related data, generating a first Profile by using a Profile generator for the currently used SIM card and the related data according to an ASN.1 coding format.
8. A Profile switching device based on EUICC card is characterized by comprising:
the second Profile generation module is used for analyzing the received second Profile into a command with a preset format by using a Profile analyzer and installing the command when detecting that the user requests to download the second Profile from the operator server;
the first Profile backup module is used for generating a first Profile according to an ASN.1 coding format by using a Profile generator for the first SIM card and related data which are currently used when the user is detected to activate the second Profile, and sending the first Profile to the cloud server for storage;
and the switching module is used for setting the second SIM card corresponding to the second Profile as the SIM card currently used by the terminal equipment after the second Profile is successfully activated so as to realize the switching of the Profile.
9. The apparatus of claim 8, further comprising:
the effective management module is used for judging whether the second SIM card is connected with a network or not; and when the second SIM card cannot be connected with the network, reading the first Profile file from the cloud server to obtain the first SIM card and corresponding data, and setting the first SIM card as the SIM card currently used by the terminal equipment.
10. The apparatus of claim 9, further comprising:
and the encryption module is used for encrypting the first Profile by using a preset encryption algorithm.
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| EP4009680A1 (en) * | 2017-12-19 | 2022-06-08 | Huawei Technologies Co., Ltd. | Profile management method, embedded universal integrated circuit card, and terminal |
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