CN111935701A - Shared method, system, equipment and storage medium for preparing electronic SIM card - Google Patents
Shared method, system, equipment and storage medium for preparing electronic SIM card Download PDFInfo
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- CN111935701A CN111935701A CN202010783638.2A CN202010783638A CN111935701A CN 111935701 A CN111935701 A CN 111935701A CN 202010783638 A CN202010783638 A CN 202010783638A CN 111935701 A CN111935701 A CN 111935701A
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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
- 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 disclosure provides a shared method, a system, equipment and a storage medium for preparing an electronic SIM card, wherein the method comprises the following steps: preparing an electronic SIM card to store an IMSI segment and an authentication key, wherein the IMSI segment comprises M IMSIs, the prepared electronic SIM cards of N user equipment share the IMSI segment, N and M are positive integers, and N is a preset integral multiple of M; the user equipment reads an IMSI and an authentication key from the prepared electronic SIM card and sends the IMSI and the authentication key to the MME; HSS prepares the corresponding signing data of the electronic SIM card configuration and sends the signing data to MME; and the MME completes the authentication process with the user equipment based on the IMSI and the authentication key sent by the user equipment and the subscription data sent by the HSS. According to the embodiment of the disclosure, since the N pieces of user equipment share the M IMSIs, the resource utilization efficiency of preparing the electronic SIM card is greatly improved, and the cost of operators and users is correspondingly reduced.
Description
Technical Field
The present disclosure relates to the field of communications technologies, and in particular, to a sharing method for preparing an electronic SIM card, a sharing system for preparing an electronic SIM card, a computer device, and a computer-readable storage medium.
Background
An eSIM (embedded-SIM, also called electronic SIM) card is a new generation SIM (Subscriber Identity Module) card technology, and is basically characterized in that SIM card data is downloaded and installed in a terminal device through a network transmission manner. In order to realize the downloading function of the electronic SIM card, the terminal needs to have networking capability. However, the electronic SIM card itself is used for networking, and in the case that the electronic SIM card is not obtained yet, an additional method is required for networking the terminal.
For a consumer terminal, networking can be performed through Wi-Fi, Bluetooth and the like, and for a terminal of the Internet of things, the conditions are probably not met. In order to solve the problem of initial network connection of the terminal of the internet of things, an electronic SIM card needs to be preset for the terminal, the electronic SIM card is a special electronic SIM card and is preset in the terminal before the terminal leaves a factory, the function of the electronic SIM card is similar to that of a common electronic SIM card, and the terminal can have networking capability.
At present, each terminal needs to be individually allocated with a "preparation electronic SIM card", which only works for a short time and needs little data traffic (no longer needed after downloading a formal electronic SIM card is completed) on the terminal, but still occupies the same network configuration resources as a common SIM card, so that the resource utilization rate is low, and the cost of operators and users is increased.
Therefore, it is an urgent need to solve the above-mentioned problems to provide a solution for improving the utilization of the resources for preparing the electronic SIM card.
Disclosure of Invention
The present disclosure has been made to at least partially solve the technical problems occurring in the prior art.
According to an aspect of the embodiments of the present disclosure, there is provided a common method of preparing an electronic SIM card, the method including:
preparing an electronic SIM card to store an international mobile subscriber identity IMSI segment and an authentication key, wherein the IMSI segment comprises M IMSIs, the prepared electronic SIM cards of N user equipment share the IMSI segment, N and M are positive integers, and N is a preset integral multiple of M;
the user equipment reads an IMSI and an authentication key from the prepared electronic SIM card and sends the IMSI and the authentication key to a mobility management entity MME;
a Home Subscriber Server (HSS) configures corresponding subscription data for a standby electronic SIM card and sends the subscription data to an MME; and the number of the first and second groups,
and the MME completes the authentication process with the user equipment based on the IMSI and the authentication key sent by the user equipment and the subscription data sent by the HSS.
Optionally, the method further comprises:
when the electronic SIM card is prepared to be started each time, selecting one IMSI from the IMSI segment stored in the electronic SIM card and writing the IMSI into an IMSI file in the electronic SIM card;
the user equipment reads an IMSI from a prepared electronic SIM card, and the method comprises the following steps:
the user equipment reads the IMSI from the IMSI file in the electronic SIM card.
Alternatively, the method further comprises:
preparing the electronic SIM card and storing a use dynamic IMSI mark, wherein the use dynamic IMSI mark represents the use of dynamic IMSI when being set, and the use dynamic IMSI mark represents the use of fixed IMSI when not being set; and the number of the first and second groups,
preparing an electronic SIM card, selecting one IMSI from IMSI segments stored in the electronic SIM card as a fixed IMSI, and writing the IMSI into an IMSI file prepared in the electronic SIM card;
the user equipment reads an IMSI from a prepared electronic SIM card, and the method comprises the following steps:
the user equipment reads the using dynamic IMSI mark from the prepared electronic SIM card;
if the using dynamic IMSI mark is set, the user equipment reads an IMSI segment in the prepared electronic SIM card and selects one IMSI;
and if the using dynamic IMSI mark is not set, the user equipment reads the fixed IMSI in the IMSI file in the electronic SIM card.
Optionally, the selecting one IMSI from the IMSI segment includes:
selecting a random number R from 1 to M; and the number of the first and second groups,
the IMSI with sequence number R is selected from the IMSI field.
Optionally, the HSS configures corresponding subscription data for the electronic SIM card and sends the subscription data to the MME, including:
the HSS configures M sets of signing data for preparing the electronic SIM card, wherein each set of signing data comprises IMSI, MSISDN, authentication key and service parameters, the authentication key and the service parameters in each set of signing data are the same, and the IMSI and the MSISDN are different; and the number of the first and second groups,
and the HSS selects a set of subscription data corresponding to the IMSI read by the user equipment from the prepared electronic SIM card from the M sets of subscription data and sends the subscription data to the MME.
Or, the HSS configures corresponding subscription data for the standby electronic SIM card and sends the subscription data to the MME, including:
the HSS configures a set of signing data for preparing the electronic SIM card, wherein the set of signing data comprises: IMSI segment, MSISDN segment, authentication key and service parameter;
the HSS selects corresponding IMSI and MSISDN from IMSI segment and MSISDN segment in the set of signing data based on IMSI read from the prepared electronic SIM card by the user equipment, and then combines the authentication key and service parameter in the set of signing data to form a set of new signing data; and the number of the first and second groups,
and the HSS sends the new subscription data to the MME.
According to another aspect of the embodiments of the present disclosure, there is provided a common system for preparing an electronic SIM card, the system including:
preparing an electronic SIM card, user equipment, a Home Subscriber Server (HSS) and a Mobility Management Entity (MME);
the method comprises the steps that the electronic SIM card preparation comprises a storage module, wherein the storage module is set to store an international mobile subscriber identity IMSI segment and an authentication key, the IMSI segment comprises M IMSIs, the prepared electronic SIM cards of N user equipment share the IMSI segment, N and M are positive integers, and N is a preset integral multiple of M;
the user equipment comprises a reading module, a first sending module and a second sending module, wherein the reading module is used for reading an IMSI and an authentication key from a storage module for preparing the electronic SIM card;
the HSS comprises a configuration module and a second sending module, wherein the configuration module is used for configuring corresponding subscription data for preparing the electronic SIM card, and the second sending module is used for sending the subscription data to the MME;
the MME comprises an authentication module which is set to complete the authentication process with the user equipment based on the IMSI and the authentication key sent by the first sending module of the user equipment and the subscription data sent by the second sending module of the HSS.
According to still another aspect of the embodiments of the present disclosure, there is provided a computer device including a memory and a processor, the memory having a computer program stored therein, and the processor executing the aforementioned common method of preparing an electronic SIM card when the processor runs the computer program stored in the memory.
According to still another aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, the processor performs the aforementioned common method of preparing an electronic SIM card.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
according to the method for preparing the electronic SIM card, the electronic SIM cards prepared by the N user equipment share M IMSIs, and N is far larger than M, so that the user equipment does not use a fixed IMSI when logging in a network, but can select one IMSI from the M IMSIs for logging in the network, and the IMSIs selected by the user equipment when logging in the network can be different.
Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the disclosure. The objectives and other advantages of the disclosure may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosed embodiments and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the example serve to explain the principles of the disclosure and not to limit the disclosure.
Fig. 1 is a schematic diagram of a basic structure of a signaling plane of an LTE mobile communication network in the prior art;
fig. 2 is a schematic flowchart of a common method for preparing an electronic SIM card according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a shared system for preparing an electronic SIM card according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a computer device provided in an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, specific embodiments of the present disclosure are described below in detail with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order; also, the embodiments and features of the embodiments in the present disclosure may be arbitrarily combined with each other without conflict.
Fig. 1 is a schematic diagram of a basic structure of a signaling plane of an LTE (Long Term Evolution) mobile communication network in the prior art.
As shown in fig. 1, in the conventional scheme, a set of network-accessing authentication data is stored in a SIM card, and the network-accessing authentication data mainly includes an IMSI (International Mobile Subscriber Identity) and a set of authentication keys. Correspondingly, a set of subscription data of the SIM card is also provided in the HSS (Home Subscriber Server), where the subscription data includes an IMSI, an authentication key, an MSISDN, and service parameters, and the MSISDN is called a Mobile Subscriber International ISDN/PSTN number, that is, a Mobile Subscriber International ISDN/PSTN number, which is a number that a calling Subscriber needs to dial in a PLMN (Public Land Mobile Network) for calling GSM (Global System for Mobile Communications), and is a number that can uniquely identify the Mobile Subscriber in a Public switched telephone Network numbering plan. The ISDN is an Integrated Service Digital Network, which is a short for Integrated Service Digital Network; the PSTN is a Public Switched Telephone Network, which is an abbreviation of Public Switched Telephone Network. When a User Equipment (UE) accesses a network, the User Equipment (UE) reads an IMSI from a SIM card and sends the IMSI to an MME (Mobility Management Entity), and the MME further obtains subscription data and an authentication vector of the SIM card from an HSS, so that the UE completes an authentication process with the MME in cooperation with the SIM card, and the UE can request the MME to establish a network bearer.
The present disclosure modifies the above method, specifically, a segment of IMSI (may be referred to as IMSI segment) and the same number of MSISDNs are allocated for sharing N prepared electronic SIM cards, where the total number of IMSIs is M, then the M IMSIs may be shared by N terminals, and the number of N may be set to be much greater than M (for example, N is greater than or equal to 10 times of M), so that the prepared electronic SIM cards do not occupy the same network configuration resources as those of a common SIM card, and the resource utilization efficiency of the prepared electronic SIM cards is greatly improved. The following detailed description is given in conjunction with specific examples.
Fig. 2 is a schematic flowchart of a common method for preparing an electronic SIM card according to an embodiment of the present disclosure. As shown in fig. 2, the sharing method includes the following steps S101 to S104.
S101, preparing an electronic SIM card to store an IMSI segment and an authentication key, wherein the IMSI segment comprises M IMSIs, the prepared electronic SIM cards of N user equipment share the IMSI segment, N and M are positive integers, N is a preset integral multiple of M, and the specific numerical value of the multiple can be set by a person skilled in the art according to actual conditions, for example, the multiple can be at least 10 times; moreover, similar to the prior art, a set of authentication keys still needs to be stored in preparation of the electronic SIM card. It should be noted that the IMSI segment prepared for storing the electronic SIM card should be an available IMSI segment, for example, the start IMSI and the end IMSI are stored.
S102, the user equipment reads an IMSI and an authentication key from the prepared electronic SIM card and sends the IMSI and the authentication key to the MME.
And S103, the HSS configures corresponding subscription data for the prepared electronic SIM card and sends the subscription data to the MME.
And S104, the MME completes the authentication process with the user equipment based on the IMSI and the authentication key sent by the user equipment and the subscription data sent by the HSS.
The IMSI (international mobile subscriber identity) is an identity that is used to distinguish different subscribers in a cellular network and is not repeated in all cellular networks, and has a structure of MCC + MNC + MSIN. Wherein, the MCC is a Mobile Country Code and is the abbreviation of Mobile Country Code; the MNC is a Mobile Network Code and is the abbreviation of Mobile Network Code; MSIN is a Mobile Subscriber identity, and is a short for Mobile Subscriber identity Number, and its structure is CC + M0M1M2M3+ ABCD, where CCs are allocated by different operators, M0M1M2M3 and H0H1H2H3 in MDN (Mobile Directory Number ) may have a corresponding relationship, and four digits of ABCD are freely allocated.
In the embodiment of the disclosure, because the electronic SIM cards prepared by N user equipments share M IMSIs, and N is much larger than M, a fixed IMSI is not used any more when the user equipment logs in the network, but one IMSI can be selected from the M IMSIs for logging in the network, and the IMSIs selected by the user equipment each time the user equipment logs in the network can be different.
In one embodiment, the sharing method further includes the following step S105:
and S105, selecting one IMSI from the IMSI segment stored in the electronic SIM card to write into the IMSI file in the electronic SIM card when the electronic SIM card is prepared to be started each time.
Correspondingly, in step S102, the user equipment reads an IMSI from the prepared electronic SIM card, which specifically includes the following steps S1021:
and S1021, the user equipment reads the IMSI from the IMSI file in the electronic SIM card. Since the IMSI written in the IMSI file may be different each time the electronic SIM card is prepared to be activated, the IMSI read by the user equipment may be different each time, thus enabling dynamic change of the IMSI.
In one embodiment, as a parallel scheme, the sharing method further includes the following steps S106 and S107.
S106, preparing the electronic SIM card and storing a 'use dynamic IMSI mark', wherein the use dynamic IMSI mark represents the use of dynamic IMSI when being set (for example, the value is 1), and the use dynamic IMSI mark represents the use of fixed IMSI when not being set (for example, the value is 0);
s107, preparing the electronic SIM card to select one IMSI from the IMSI segment stored in the electronic SIM card as a fixed IMSI to be written into an IMSI file in the prepared electronic SIM card.
Accordingly, the user equipment reads an IMSI from the electronic SIM card in step S102, which specifically includes the following steps S1022 to S1024.
S1022, the user equipment reads the dynamic IMSI mark from the prepared electronic SIM card;
s1023, if the dynamic IMSI flag is set, the user equipment reads an IMSI segment in the prepared electronic SIM card and selects one IMSI;
and S1024, if the using dynamic IMSI mark is not set, the user equipment reads the fixed IMSI in the IMSI file in the electronic SIM card.
It should be noted that, the aforementioned steps "S105 and S1021" and the steps "S108 to S109 and S1022 to S1024" are parallel schemes, and they can be executed alternatively.
In the two parallel schemes, there may be many methods for selecting one IMSI from M IMSIs. In one embodiment, preparing the electronic SIM card or the user equipment selects one IMSI from the IMSI segment, including: selecting a random number R from 1 to M; and selecting the IMSI with the sequence number R from the IMSI segment. Of course, other existing alternatives may be used, and the disclosure is not limited thereto.
In one embodiment, step S103 includes steps S1031 and S1032 as follows.
S1031, configuring M sets of signing data for preparing the electronic SIM card by the HSS, wherein each set of signing data comprises IMSI, MSISDN, an authentication key and service parameters, the authentication key and the service parameters in each set of signing data are the same, and the IMSI and the MSISDN are different;
and S1032.HSS selects a set of subscription data corresponding to the IMSI read by the user equipment from the prepared electronic SIM card from the M sets of subscription data and sends the subscription data to the MME.
In the embodiment of the present disclosure, each of the M sets of subscription data corresponds to one IMSI in the IMSI segment. And the IMSI and the MSISDN in each set of subscription data are different, and the authentication key and the service parameter are the same. This scheme does not require modification of existing HSS implementations.
In one embodiment, as a parallel scheme, step S103 includes the following steps S1033 to S1035.
S1033, the HSS configures a set of signing data for preparing the electronic SIM card, and the set of signing data comprises: IMSI segment, MSISDN segment, authentication key and service parameter; the IMSI section comprises M IMSIs, and the MSISDN section comprises M MSISDNs;
S1034.HSS selects corresponding IMSI and MSISDN from IMSI segment and MSISDN segment in the set of signing data based on IMSI read from prepared electronic SIM card by user equipment, and combines authentication key and service parameter in the set of signing data to form a set of new signing data;
and S1035, the HSS sends the new subscription data to the MME.
In the embodiment of the disclosure, a set of special subscription data is configured in the HSS, the set of subscription data does not have a fixed IMSI and MSISDN, but configures an IMSI segment and an MSISDN segment, and when the HSS receives a request for reading subscription data from the MME, if it finds that an IMSI (corresponding to an IMSI read by the user equipment from a prepared electronic SIM card) of the request is in the IMSI segment of the set of special subscription data, the HSS combines the IMSI and its corresponding MSISDN, the authentication key, and the service parameter into a set of new subscription data to be returned to the MME.
It should be noted that, the foregoing steps S1031 and S1032 and the steps S1033 to S1035 are parallel schemes, and they can be executed alternatively.
It can be seen that, in the two parallel schemes, for each IMSI, the corresponding subscription data (the authentication key, the service parameters, and the like) is completely the same except that the MSISDN is different.
According to the sharing method for preparing the electronic SIM card, when the user equipment logs in the network, the user equipment does not use a fixed IMSI, but can select one IMSI from M IMSIs for logging in the network, so that the aim that the N user equipment shares the M IMSIs is achieved.
Fig. 3 is a schematic structural diagram of a shared system for preparing an electronic SIM card according to an embodiment of the present disclosure. As shown in fig. 3, the common system 3 includes: the electronic SIM card 31, the user equipment 32, the HSS33, and the MME34 are prepared. The preparation electronic SIM card 31 includes a storage module 311, the user equipment 32 includes a reading module 321 and a first sending module 322, the HSS33 includes a configuration module 331 and a second sending module 332, and the MME34 includes an authentication module 341.
The storage module 311 of the electronic SIM card 31 is configured to store an IMSI segment of an international mobile subscriber identity and an authentication key, where the IMSI segment includes M IMSIs, the IMSI segment is shared by the electronic SIM cards of N user devices, N and M are positive integers, N is a preset integer multiple of M, and as for a specific numerical value of the multiple, the specific numerical value may be set by a person skilled in the art according to an actual situation, for example, the multiple may be at least 10 times; moreover, similar to the prior art, a set of authentication keys still needs to be stored in the memory module for preparing the electronic SIM card. It should be further noted that the IMSI segment stored in the memory module of the electronic SIM card is an available IMSI segment, for example, a start IMSI and a last IMSI are stored;
the reading module 321 of the user equipment 32 is arranged to read an IMSI and an authentication key from the memory module 311 of the electronic SIM card; the first sending module 322 is configured to send the IMSI and the authentication key to the MME;
the configuration module 331 of the HSS33 is configured to configure corresponding subscription data for the standby electronic SIM card; the second sending module 332 is configured to send the subscription data to the MME;
the authentication module 341 of the MME34 is configured to complete the authentication procedure with the ue based on the IMSI and the authentication key sent by the first sending module 322 of the ue 32 and the subscription data sent by the second sending module 332 of the HSS 33.
In the embodiment of the disclosure, because the electronic SIM cards prepared by N user equipments share M IMSIs, and N is much larger than M, a fixed IMSI is not used any more when the user equipment logs in the network, but one IMSI can be selected from the M IMSIs for logging in the network, and the IMSIs selected by the user equipment each time the user equipment logs in the network can be different.
In a particular embodiment, the preparation of the electronic SIM card 31 also comprises a first selection module 312 and an IMSI file 313. The first selection module 312 is configured to select one IMSI from the IMSI field stored in the storage module 311 to write into the IMSI file 313 in the electronic SIM card each time the electronic SIM card is prepared for booting.
Accordingly, the reading module 321 of the user equipment 32 is specifically configured to read the IMSI from the IMSI file 313 in the electronic SIM card. Since the IMSI written in the IMSI file may be different each time the electronic SIM card is prepared to be activated, the IMSI read by the user equipment may be different each time, thus enabling dynamic change of the IMSI.
In a specific embodiment, as a parallel scheme, the preparation of the electronic SIM card 31 further comprises a first selection module 312 and an IMSI file 313. The storage module 311 is further configured to store a use dynamic IMSI flag, where the use dynamic IMSI flag is set (e.g., a value of 1) to indicate that the dynamic IMSI is used, and the use dynamic IMSI flag is not set (e.g., a value of 0) to indicate that the fixed IMSI is used; the first selection module 312 is configured to select one IMSI from the IMSI field stored in the storage module 311 as a fixed IMSI to write into the IMSI file 313 in the electronic SIM card.
Accordingly, the reading module 321 of the user equipment 32 is specifically configured to read the usage dynamic IMSI flag from the storage module 311 for preparing the electronic SIM card; if the using dynamic IMSI flag is set, continuously reading the IMSI segment in the storage module 311 for preparing the electronic SIM card, and selecting one IMSI from the IMSI segment; if the using dynamic IMSI flag is not set, the fixed IMSI in the IMSI file 313 in the electronic SIM card is continuously read.
In one embodiment, the first selecting module 312 selects one IMSI from the IMSI field, and the reading module 321 selects one IMSI from the IMSI field, specifically: selecting a random number R from 1 to M; and selecting the IMSI with the sequence number R from the IMSI segment.
In one embodiment, the HSS33 also includes a second selection module 333. The configuration module 331 is specifically configured to configure M sets of subscription data for the electronic SIM card 31, where each set of subscription data includes an IMSI, an MSISDN, an authentication key, and a service parameter, and the authentication key and the service parameter in each set of subscription data are the same, but the IMSI and the MSISDN are different, where the IMSI is from the IMSI segment, and the MSISDN corresponds to the IMSI; the second selecting module 333 is configured to select a set of subscription data corresponding to the IMSI read by the reading module 321 of the user equipment 32 from the storage module 311 of the prepared electronic SIM card 31 from the M sets of subscription data; the second sending module 332 is specifically configured to send the set of subscription data selected by the second selecting module 333 to the MME.
In the embodiment of the present disclosure, each of the M sets of subscription data corresponds to one IMSI in the IMSI segment. And the IMSI and the MSISDN in each set of subscription data are different, and the authentication key and the service parameter are the same. This scheme does not require modification of existing HSS implementations.
In one embodiment, the HSS33 further includes a second selection module 333 as a parallel arrangement. The configuration module 331 is specifically configured to configure a set of subscription data for the electronic SIM card, where the set of subscription data includes: the system comprises an IMSI segment, an MSISDN segment, an authentication key and service parameters, wherein the IMSI segment comprises M IMSIs, and the MSISDN segment comprises M MSISDNs; the second selecting module 333 is configured to select corresponding IMSI and MSISDN from the IMSI segment and MSISDN segment in the set of subscription data based on the IMSI read by the reading module 321 of the user equipment 32 from the storage module 311 of the electronic SIM card 31, and then combine the authentication key and the service parameter in the set of subscription data to form a set of new subscription data; the second sending module 332 is specifically configured to send the new subscription data to the MME.
In the embodiment of the disclosure, a set of special subscription data is configured in the HSS, the set of subscription data does not have a fixed IMSI and MSISDN, but configures an IMSI segment and an MSISDN segment, and when the HSS receives a request for reading subscription data from the MME, if it finds that an IMSI (corresponding to an IMSI read by the user equipment from a prepared electronic SIM card) of the request is in the IMSI segment of the set of special subscription data, the HSS combines the IMSI and its corresponding MSISDN, the authentication key, and the service parameter into a set of new subscription data to be returned to the MME.
It can be seen that, in the two parallel schemes, for each IMSI, the corresponding subscription data (the authentication key, the service parameters, and the like) is completely the same except that the MSISDN is different.
According to the sharing system for preparing the electronic SIM card, when the user equipment logs in the network, the user equipment does not use a fixed IMSI, but can select one IMSI from M IMSIs for logging in the network, so that the aim that the N user equipment shares the M IMSIs is fulfilled.
Based on the same technical concept, the embodiment of the present disclosure correspondingly provides a computer device, as shown in fig. 4, where the computer device 4 includes a memory 41 and a processor 42, the memory 41 stores a computer program, and when the processor 42 runs the computer program stored in the memory 41, the processor 42 executes the aforementioned common method for preparing the electronic SIM card.
Based on the same technical concept, the embodiment of the present disclosure also provides a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, the processor executes the aforementioned common method for preparing the electronic SIM card.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present disclosure, and not for limiting the same; while the present disclosure has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present disclosure.
Claims (9)
1. A common method of preparing an electronic SIM card, comprising:
preparing an electronic SIM card to store an international mobile subscriber identity IMSI segment and an authentication key, wherein the IMSI segment comprises M IMSIs, the prepared electronic SIM cards of N user equipment share the IMSI segment, N and M are positive integers, and N is a preset integral multiple of M;
the user equipment reads an IMSI and an authentication key from the prepared electronic SIM card and sends the IMSI and the authentication key to a mobility management entity MME;
a Home Subscriber Server (HSS) configures corresponding subscription data for a standby electronic SIM card and sends the subscription data to an MME; and the number of the first and second groups,
and the MME completes the authentication process with the user equipment based on the IMSI and the authentication key sent by the user equipment and the subscription data sent by the HSS.
2. The sharing method according to claim 1, further comprising:
when the electronic SIM card is prepared to be started each time, selecting one IMSI from the IMSI segment stored in the electronic SIM card and writing the IMSI into an IMSI file in the electronic SIM card;
the user equipment reads an IMSI from a prepared electronic SIM card, and the method comprises the following steps:
the user equipment reads the IMSI from the IMSI file in the electronic SIM card.
3. The sharing method according to claim 1, further comprising:
preparing the electronic SIM card and storing a use dynamic IMSI mark, wherein the use dynamic IMSI mark represents the use of dynamic IMSI when being set, and the use dynamic IMSI mark represents the use of fixed IMSI when not being set; and the number of the first and second groups,
preparing an electronic SIM card, selecting one IMSI from IMSI segments stored in the electronic SIM card as a fixed IMSI, and writing the IMSI into an IMSI file prepared in the electronic SIM card;
the user equipment reads an IMSI from a prepared electronic SIM card, and the method comprises the following steps:
the user equipment reads the using dynamic IMSI mark from the prepared electronic SIM card;
if the using dynamic IMSI mark is set, the user equipment reads an IMSI segment in the prepared electronic SIM card and selects one IMSI;
and if the using dynamic IMSI mark is not set, the user equipment reads the fixed IMSI in the IMSI file in the electronic SIM card.
4. The method of claim 2 or 3, wherein the selecting one IMSI from the IMSI segment comprises:
selecting a random number R from 1 to M; and the number of the first and second groups,
the IMSI with sequence number R is selected from the IMSI field.
5. The sharing method according to claim 1, wherein the HSS configures the subscription data for the electronic SIM card and sends the subscription data to the MME, and comprises:
the HSS configures M sets of signing data for preparing the electronic SIM card, wherein each set of signing data comprises IMSI, MSISDN, authentication key and service parameters, the authentication key and the service parameters in each set of signing data are the same, and the IMSI and the MSISDN are different; and the number of the first and second groups,
and the HSS selects a set of subscription data corresponding to the IMSI read by the user equipment from the prepared electronic SIM card from the M sets of subscription data and sends the subscription data to the MME.
6. The sharing method according to claim 1, wherein the HSS configures the subscription data for the electronic SIM card and sends the subscription data to the MME, and comprises:
the HSS configures a set of signing data for preparing the electronic SIM card, wherein the set of signing data comprises: IMSI segment, MSISDN segment, authentication key and service parameter;
the HSS selects corresponding IMSI and MSISDN from IMSI segment and MSISDN segment in the set of signing data based on IMSI read from the prepared electronic SIM card by the user equipment, and then combines the authentication key and service parameter in the set of signing data to form a set of new signing data; and the number of the first and second groups,
and the HSS sends the new subscription data to the MME.
7. A shared system for preparing an electronic SIM card, comprising: preparing an electronic SIM card, user equipment, a Home Subscriber Server (HSS) and a Mobility Management Entity (MME);
the method comprises the steps that the electronic SIM card preparation comprises a storage module, wherein the storage module is set to store an international mobile subscriber identity IMSI segment and an authentication key, the IMSI segment comprises M IMSIs, the prepared electronic SIM cards of N user equipment share the IMSI segment, N and M are positive integers, and N is a preset integral multiple of M;
the user equipment comprises a reading module, a first sending module and a second sending module, wherein the reading module is used for reading an IMSI and an authentication key from a storage module for preparing the electronic SIM card;
the HSS comprises a configuration module and a second sending module, wherein the configuration module is used for configuring corresponding subscription data for preparing the electronic SIM card, and the second sending module is used for sending the subscription data to the MME;
the MME comprises an authentication module which is set to complete the authentication process with the user equipment based on the IMSI and the authentication key sent by the first sending module of the user equipment and the subscription data sent by the second sending module of the HSS.
8. Computer device, characterized in that it comprises a memory in which a computer program is stored and a processor which, when it runs the computer program stored by the memory, carries out the common method of preparing an electronic SIM card according to any one of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by a processor, executes a common method of preparing an electronic SIM card according to any one of claims 1 to 6.
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