CN107995614B - A kind of carrier data sharing method and device - Google Patents
A kind of carrier data sharing method and device Download PDFInfo
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- CN107995614B CN107995614B CN201711319308.2A CN201711319308A CN107995614B CN 107995614 B CN107995614 B CN 107995614B CN 201711319308 A CN201711319308 A CN 201711319308A CN 107995614 B CN107995614 B CN 107995614B
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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]
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Storage Device Security (AREA)
- Telephonic Communication Services (AREA)
Abstract
This application discloses a kind of carrier data sharing method and sharing means, and this method comprises the following steps: reading the Carrier Management data on chip card by reserved reading data interface;Selective listing is generated according to Carrier Management data;The selection to selective listing is received, source operator and targeted carrier are obtained;Source carrier data is copied to targeted carrier from source operator by the source operation data of selection source operator.The application passes through directly reading and replicating to the carrier data on eSIM card; realize convenient and fast data sharing; simultaneously for safety the considerations of; and increase the reading data interface of encryption on eSIM chip card; it is protected further to the data of duplication using encryption; to ensure that the safety of data while realizing that data are convenient shared.
Description
Technical field
This application involves computer field more particularly to a kind of carrier data sharing method and devices.
Background technique
With the development of wearable technology, the use of SIM card becomes a bottleneck for limiting its development.In wearable device
Need to reserve card slot for SIM card, while user needs business hall individually to buy SIM card, the use of SIM card is wearable device
Production firm and user bring many inconvenience.
ESIM card is that traditional SIM card is directly embedded into device chip, not as independent removable components
In addition equipment, user can download the communication data of multiple operators, and to realize, free selection activates it at any time
In operator network.ESIM card solves the problems, such as that existing SIM card is inconvenient for use.
For the sake of security, it is isolated from each other between the data of multiple operators of downloading, i.e., included by operator one
The contents such as address list can not be used by operator two, which results in the inconveniences in user's use, further, due to
ESIM card is directly embedded into device chip, and eSIM card is most to be dismantled from wearable device, therefore, if user
New equipment is replaced, user information in wearable device, such as address list, short message content etc. will be unable to by directly replacing
Sim card carrys out transinformation.How other operations that data by some operator in eSIM card be transferred to eSIM card on are realized
Quotient, and how the carrier data on an eSIM card to be synchronized in other eSIM cards is urgent need to resolve in the development of eSIM card
The problem of.
Summary of the invention
An object of the application is to provide carrier data sharing method and its device in a kind of eSIM card, to solve eSIM
The problem of can not sharing carrier data between carrier data and multiple eSIM cards can not be shared in card.
Based on this, the application proposes a kind of carrier data sharing method, includes the following steps: to read by reserved data
Interface is taken to read the Carrier Management data on chip card;Selective listing is generated according to Carrier Management data;It receives to selection
The selection of list obtains source operator and targeted carrier;The source operation data of selection source operator, by source carrier data
From source, operator copies to targeted carrier.
A kind of carrier data sharing method is also claimed in the application, includes the following steps: to connect source device and target
Equipment;The Carrier Management data on the source eSIM card chip card of source device are read by reserved reading data interface;According to
Carrier Management data generate selective listing;The selection to selective listing is received, source operator is obtained;The source of selection source operator
Source carrier data is copied to the target eSIM card of target device by operation data from source operator.
Wherein Carrier Management data are to be pre-generated according to the carrier data of storage, or receiving request
When, according to the carrier data in-time generatin of storage, the Carrier Management data include the mark of the operator of storage.
Wherein the reading data interface is encrypted using software and/or hardware.
Wherein obtaining source carrier data includes following sub-step:
Activate source operator obtains the list of source carrier data;
It selects and reads source carrier data.
The source carrier data wherein replicated is the data of encryption.
Source carrier data is wherein included into following sub-step from the target eSIM card that source operator copies to target device:
Source carrier data is passed through into the connection pre-established and is sent to target device;
Source carrier data is decrypted, and verifies source carrier data;
If the verification passes, then on the target eSIM card chip card for reading target device by reserved reading data interface
Targeted carrier manage data;
Data, which are managed, according to targeted carrier generates selective listing;
The selection to selective listing is received, targeted carrier is obtained;
Targeted carrier is sent by source carrier data.
Wherein obtaining targeted carrier includes activation targeted carrier.
A kind of carrier data sharing means are also claimed in the application, including such as lower component:
Communicator, transmission/reception information read the Carrier Management number on chip card by reserved reading data interface
According to;
Processor generates selective listing according to Carrier Management data, receives the selection to selective listing, obtains source operation
Quotient, source carrier data and targeted carrier;
Source carrier data is copied to targeted carrier from source operator by reproducer.
Further, the application also provides a kind of carrier data sharing means, including such as lower component:
Communicator, transmission/reception information connect source eSIM card and target eSIM card, pass through reserved reading data interface
Carrier Management data on the eSIM card chip card of reading source;
Processor generates selective listing according to Carrier Management data, receives the selection to selective listing, obtains source operation
Quotient, source carrier data;
Source carrier data is copied to target eSIM card from source operator by reproducer.
The data sharing method and sharing means of the application, by the carrier data on eSIM card directly read and
Duplication, realizes convenient and fast data sharing, while the considerations of for safety, and the data for increasing encryption on eSIM chip card are read
Interface is taken, is protected further to the data of duplication using encryption, to guarantee while realizing that data are convenient shared
The safeties of data.
Detailed description of the invention
Fig. 1 is the structure chart of mobile device;
Fig. 2 is the flow chart for realizing data sharing method in equipment between different operators;
Fig. 3 shares the method flow diagram of carrier data between equipment;
Fig. 4 is the structure chart of sharing means;
Fig. 5 is that the shared system construction drawing of equipment room carrier data is realized using sharing means.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall in the protection scope of this application.
Fig. 1 shows the structural map for being mounted with the mobile device of eSIM chip card, and wherein the mobile device 1 includes shared dress
110 and eSIM chip card 120 is set, wherein includes multiple operators on eSIM chip card 120, storage is respective in each operator
Isolation carrier data, eSIM chip card 120 further includes reading data interface 1201, wherein software or hardware can be used to add
Ciphertext data reads interface, and sharing means 110 are read by reading data interface 1201 and/or are written on eSIM chip card 120
Carrier Management data and other information.
Embodiment 1
Fig. 2 shows the flow charts that data sharing method is realized between different operators in equipment, include the following steps:
Step S210, the Carrier Management data on chip card are read by reserved reading data interface;Including as follows
Sub-step:
Step S2101, ciphertext data reads interface.
Reserved data reads interface on eSIM card, for reading the data on eSIM card;Since reading data interface makes
With hardware or software cryptography, therefore before reading data by reading data interface, decryption oprerations are needed, if using software
Encryption can input password by way of popping up prompting frame, complete decryption;It is encrypted if it is hardware, it is hard by insertion decryption
Part, such as USB flash disk complete decryption.
Step S2102, Carrier Management data are read.
After completing decryption oprerations, Carrier Management data are read by reading data interface, wherein Carrier Management
Data are pre-generated according to the carrier data of storage, or when receiving request, according to the operation quotient of storage
According to in-time generatin, the Carrier Management data include the mark of the operator of storage.
Carrier Management data are pre-generated if it is eSIM card, then the reserved storage space on eSIM card, wherein storing
Carrier Management data, downloading, deletion or update carrier data when, according to the operation of progress to Carrier Management data into
Row updates, and wherein Carrier Management data reflect the state and content of carrier data.
If it is when receiving request, according to the carrier data in-time generatin of storage, then this method will read and transport
Seek quotient data, the case where according to carrier data, in-time generatin Carrier Management data.
Step S220, selective listing is generated according to Carrier Management data;
It is aobvious with tabular form according to the operator that the selective listing that Carrier Management data generate includes in all eSIM cards
Show to user.
Step S230, the selection to selective listing is received, source operator and targeted carrier are obtained;
Such as selecting operator 1 as source operator, operator 2 is used as targeted carrier.
Step S240, the source operation data for selecting source operator, copies to target from source operator for source carrier data
Operator.Including following sub-step:
Step S2401, activate source operator obtains the list of source carrier data.
Only activate source operator could read data therein, therefore firstly the need of activate source operator, and according to source
Carrier data generates the list of source carrier data.
Step S2402, selection and source carrier data is read.
By the source carrier data list display of generation to user, user selects it, selects a certain item therein
Or a few item datas encrypt the source carrier data of selection to guarantee the safety in transmission, the method for encryption can adopt
With existing cipher mode, including symmetric cryptography, asymmetric encryption etc..
Step S2403, source carrier data is copied into targeted carrier.
Targeted carrier is activated first, and the source carrier data of duplication is sent to the targeted carrier of activation, is received
After the source carrier data of transmission, it is decrypted, and verifies its integrality, if can decrypt and integrality there is no problem,
Then it is copied into the corresponding position of targeted carrier.Such as the call-information after decryption is copied to the data of targeted carrier
Storage location.
Embodiment 2
Describe how that the carrier data that will be stored in equipment copies to another operator in embodiment 1 above
In, how below in conjunction with Fig. 3 description carrier data is replicated between devices.Below by taking two equipment as an example, this field
Technical staff is it is recognised that two equipment are example, in fact, can realize that the carrier data between multiple equipment is shared.
As shown in figure 3, the step of sharing carrier data between equipment includes the following steps:
Step S310, source device and target device are connected;
It can complete to connect by existing wired or wireless mode, such as pass through the side wireless communications such as bluetooth, WIFI
The connection of formula realization source device and target device.
Step S320, the operator read by reserved reading data interface on the source eSIM card chip card of source device manages
Manage data;
Step S330, selective listing is generated according to Carrier Management data;
Step S320 and S330 is identical with step S210, S220 in embodiment 1, and details are not described herein.
Step S340, the selection to selective listing is received, source operator is obtained;
Step S350, the source operation data for selecting source operator, copies to target from source operator for source carrier data
ESIM card.Including following sub-step:
Step S3501, activate source operator obtains the list of source carrier data.
Only activate source operator could read data therein, therefore firstly the need of activate source operator, and according to source
Carrier data generates the list of source carrier data.
Step S3502, selection and source carrier data is read.
By the source carrier data list display of generation to user, user selects it, selects a certain item therein
Or a few item datas encrypt the source carrier data of selection to guarantee the safety in transmission, the method for encryption can adopt
With existing cipher mode, including symmetric cryptography, asymmetric encryption etc..
Step S3503, source carrier data is copied into target device.The step includes following sub-step:
Step P1, source carrier data is passed through into the connection pre-established and is sent to target device;
Via the connection established in step S310, send target device for source carrier data, for example, by bluetooth or
WIFI is sent to target device.
Step P2, source carrier data is decrypted, and verifies source carrier data;
Decryption oprerations are executed to the source carrier data of acquisition, the integrality of further verify data can be used existing
Decipherment algorithm corresponding with Encryption Algorithm and integrity verification method execute the step.
Step P3, the target read by reserved reading data interface on the target eSIM card chip card of target device is transported
It seeks quotient and manages data;
Step P4, data are managed according to targeted carrier and generates selective listing;
Step P3 and P4 is identical with step S210, S220 in embodiment 1, and details are not described herein.
Step P5, the selection to selective listing is received, targeted carrier is obtained;
Step P6, targeted carrier is sent by source carrier data.
Targeted carrier is activated first, the source carrier data of decryption is sent to the targeted carrier of activation, such as will
Call-information after decryption copies to the data storage location of targeted carrier.
Embodiment 3
The foregoing describe in equipment and equipment room shares the method for operator's informaiton, it is shared that this is introduced with reference to the accompanying drawing
The structure of device.
Referring to fig. 4, the structure chart of sharing means is shown, including such as lower component:
Communicator 410, transmission/reception information;
Communicator reads the Carrier Management data on chip card by reserved reading data interface;
Processor 420 generates selective listing according to Carrier Management data, receives the selection to selective listing, obtains source
Operator, source carrier data and targeted carrier;
Source carrier data is copied to targeted carrier from source operator by reproducer 430.
The sharing means execute the sharing method in embodiment 1.Its specific implementation step is as described in example 1 above, herein
It repeats no more.
Embodiment 4
Further sharing means can be also used for realizing the data sharing between multiple equipment, in which:
Communicator connects source eSIM card and target eSIM card, reads source eSIM card chip by reserved reading data interface
Carrier Management data on card;
Processor can also carry out: the fortune on the source eSIM card chip card of source device is read by reserved reading data interface
It seeks quotient and manages data, generate selective listing according to Carrier Management data, receive the selection to selective listing, obtain source operation
Quotient, source carrier data.
Meanwhile reproducer executes the target eSIM card that source carrier data is copied to target device from source operator.
The sharing means equally execute the sharing method in embodiment 2.
Wherein sharing means realize the shared system construction drawing of equipment room carrier data as shown in figure 5, including source device
510 and target device 520, realization shares to the source carrier data on source device 510 in the eSIM card of target device 520.
Include source eSIM card 5101 and sharing means 5102 in source device 510, includes source eSIM card 5201 in purpose equipment 520 and share
Device 5202, wherein above equipment cooperates, and realizes the sharing method in embodiment 2.
Description and application of the invention herein are illustrative, is not wishing to limit the scope of the invention to above-described embodiment
In.The deformation and change of embodiments disclosed herein are possible, the realities for those skilled in the art
The replacement and equivalent various parts for applying example are well known.It should be appreciated by the person skilled in the art that not departing from the present invention
Spirit or essential characteristics in the case where, the present invention can in other forms, structure, arrangement, ratio, and with other components,
Material and component are realized.Without departing from the scope and spirit of the present invention, can to embodiments disclosed herein into
The other deformations of row and change.
Claims (9)
1. a kind of carrier data sharing method, includes the following steps:
The Carrier Management data on eSIM chip card are read by reserved reading data interface;
Selective listing is generated according to Carrier Management data;
The selection to selective listing is received, source operator and targeted carrier are obtained;
Source carrier data is copied to targeted carrier from source operator by the source operation data of selection source operator;
Before reading data by reading data interface, decryption oprerations are executed, if mentioned using software cryptography by pop-up
Show the form of frame, input password completes decryption;It is encrypted if it is hardware, decryption is completed by insertion decryption hardware;
The source operation data of selection source operator, specifically: by the source carrier data list display of generation to user, for user
It is selected.
2. a kind of carrier data sharing method, includes the following steps:
Connect source device and target device;
The Carrier Management data on the source eSIM card chip card of source device are read by reserved reading data interface;
Selective listing is generated according to Carrier Management data;
The selection to selective listing is received, source operator is obtained;
Source carrier data is copied to the target eSIM of target device by the source operation data of selection source operator from source operator
Card;
Before reading data by reading data interface, decryption oprerations are executed, if mentioned using software cryptography by pop-up
Show the form of frame, input password completes decryption;It is encrypted if it is hardware, decryption is completed by insertion decryption hardware;
The source operation data of selection source operator, specifically: by the source carrier data list display of generation to user, for user
It is selected.
3. carrier data sharing method as claimed in claim 1 or 2, wherein Carrier Management data are the fortune according to storage
Seek what quotient data pre-generated, or when receiving request, according to the carrier data in-time generatin of storage, the fortune
Battalion quotient manages the mark that data include the operator of storage.
4. carrier data sharing method as claimed in claim 1 or 2, wherein obtaining source carrier data includes following sub-step
It is rapid:
Activate source operator obtains the list of source carrier data;
It selects and reads source carrier data.
5. carrier data sharing method as claimed in claim 1 or 2, wherein the source carrier data replicated is the number of encryption
According to.
6. carrier data sharing method as claimed in claim 2, wherein source carrier data is copied to from source operator
The target eSIM card of target device includes following sub-step:
Source carrier data is passed through into the connection pre-established and is sent to target device;
Source carrier data is decrypted, and verifies source carrier data;
If the verification passes, then the mesh on the target eSIM card chip card of target device is read by reserved reading data interface
Mark Carrier Management data;
Data, which are managed, according to targeted carrier generates selective listing;
The selection to selective listing is received, targeted carrier is obtained;
Targeted carrier is sent by source carrier data.
7. carrier data sharing method as claimed in claim 6, wherein obtaining targeted carrier includes activation target operation
Quotient.
8. a kind of carrier data sharing means, including such as lower component:
Communicator, transmission/reception information read the Carrier Management number on eSIM chip card by reserved reading data interface
According to;
Processor generates selective listing according to Carrier Management data, receives selection to selective listing, obtain source operator,
Source carrier data and targeted carrier;
The processor is also used to before reading data by reading data interface, decryption oprerations is executed, if using software
Encryption, then by way of popping up prompting frame, input password completes decryption;It is encrypted if it is hardware, by being inserted into decryption hardware
Complete decryption;The source carrier data list display for being also used to generate is selected to user for user;
Source carrier data is copied to targeted carrier from source operator by reproducer.
9. a kind of carrier data sharing means, including such as lower component:
Communicator, transmission/reception information connect source eSIM card and target eSIM card, are read by reserved reading data interface
Carrier Management data on the eSIM card chip card of source;
Processor generates selective listing according to Carrier Management data, receives selection to selective listing, obtain source operator,
Source carrier data;
The processor is also used to before reading data by reading data interface, decryption oprerations is executed, if using software
Encryption, then by way of popping up prompting frame, input password completes decryption;It is encrypted if it is hardware, by being inserted into decryption hardware
Complete decryption;The source carrier data list display for being also used to generate is selected to user for user;
Source carrier data is copied to target eSIM card from source operator by reproducer.
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CN110677844B (en) * | 2018-07-03 | 2022-04-08 | 中国电信股份有限公司 | Calling method, information interaction method, communication equipment and interaction platform |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101222723A (en) * | 2008-01-31 | 2008-07-16 | 熊文俊 | Virtual SIM card multi-number single/double module mobile phone, its implementing method and system |
CN103702319A (en) * | 2013-12-31 | 2014-04-02 | 北京大唐智能卡技术有限公司 | SIM (subscriber identity module) card, individualized card writing system and method as well as SIM card obtained according to method |
CN105120450A (en) * | 2015-09-07 | 2015-12-02 | 中国联合网络通信集团有限公司 | Card data selecting method in SIM card and user terminal |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1185847C (en) * | 2002-03-25 | 2005-01-19 | 英华达(上海)电子有限公司 | Method for intelligence switch between two cards in mobile phones |
US7822439B2 (en) * | 2006-08-14 | 2010-10-26 | Sandisk Il Ltd. | System for sharing credentials |
CN105792094B (en) * | 2014-12-22 | 2019-11-05 | 南京中兴软件有限责任公司 | A kind of method and device for realizing a card multimachine |
-
2017
- 2017-12-12 CN CN201711319308.2A patent/CN107995614B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101222723A (en) * | 2008-01-31 | 2008-07-16 | 熊文俊 | Virtual SIM card multi-number single/double module mobile phone, its implementing method and system |
CN103702319A (en) * | 2013-12-31 | 2014-04-02 | 北京大唐智能卡技术有限公司 | SIM (subscriber identity module) card, individualized card writing system and method as well as SIM card obtained according to method |
CN105120450A (en) * | 2015-09-07 | 2015-12-02 | 中国联合网络通信集团有限公司 | Card data selecting method in SIM card and user terminal |
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