CN102413560A - Data synchronization system and method - Google Patents
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- CN102413560A CN102413560A CN2010102916705A CN201010291670A CN102413560A CN 102413560 A CN102413560 A CN 102413560A CN 2010102916705 A CN2010102916705 A CN 2010102916705A CN 201010291670 A CN201010291670 A CN 201010291670A CN 102413560 A CN102413560 A CN 102413560A
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Abstract
The invention provides a data synchronization system and a data synchronization method based on a subscriber identity identification card with a mobile platform operating system. Connection establishment, data transmission and data synchronization are directly performed between the subscriber identity identification card with the mobile platform operating system in the system and a synchronization server through respective synchronization communication channels, so that limitation in a mobile platform communication path can be reduced, and simpler, quicker, safer and more convenient data synchronization is realized.
Description
Technical field
The present invention relates to the Subscriber Identity Module field, in particular, the present invention relates to a kind of data synchronous system and method based on the subscriber identification card that has mobile platform operating system.
Background technology
In field of mobile communication or other applied environments, comprised the set of device hardware and corresponding software, be referred to as platform.Have an equipment that can make things convenient for ambulant characteristics, and comprised corresponding software, then be called mobile platform, for example mobile phone has mobile phone hardware and corresponding application software and mobility, can be called mobile platform.And subscriber identification card (SIM) has write down some privately owned significant datas of user as important component part in the mobile communcations system, like phone directory, daily record, custom application etc.; And OS-SIM is a kind of SIM that has mobile platform operating system, and this card also has the characteristics of large data capacity except realizing the effect of SIM in mobile communcations system, stored the mobile platform operating system of using this SIM.That is to say that the operating system of mobile platform operation is to be stored in the OS-SIM card, that is, the OS-SIM card has not only write down user's private data, has also stored the mobile platform operating system data that the user uses.And current method for synchronous; All be unable to do without mobile platform, the user must be installed in the OS-SIM card in the mobile platform, and the communication interface through mobile platform is connected with synchronous terminal (for example PC) again; Just can carry out data sync; Be that data sync must adopt this intermediate link of mobile platform, simultaneous operation is loaded down with trivial details, and data transmission bauds is relatively slow.
Summary of the invention
The technical problem that the present invention solves provides a kind of data synchronous system and method based on the subscriber identification card that has mobile platform operating system, has reduced the restriction of mobile platform communication path, when making data sync operation easier, speed is faster.
For addressing the above problem, the present invention adopts following technical scheme:
A kind of data synchronous system based on the subscriber identification card that has mobile platform operating system, it comprises subscriber identification card that has mobile platform operating system and the synchronous service end of realizing that the data strange land is preserved;
Between wherein said subscriber identification card that has mobile platform operating system and said synchronous service end directly the isochronous communication channel through separately connect, transmit data and carry out data sync.
Wherein, the said subscriber identification card that has mobile platform operating system includes main control module and the isochronous communication channel module and the data memory module that link to each other with said main control module; Wherein data memory module is used for storage and treats data in synchronization; The isochronous communication channel module is used to carry out the data communication of synchrodata, and main control module carries out the sync correlation operation of above-mentioned subscriber identification card end to said data memory module and isochronous communication channel module controls.
Wherein, said main control module can comprise: central processing unit be carried on the central processing unit control and carry out the software platform module of the sync correlation operation of Subscriber Identity Module end.
Wherein, said software platform module comprises:
Isochronous communication channel driver module, synchronous protocol stack module, Data Storage and synchronous applications module, wherein
Said isochronous communication channel driver module is used to drive the synchronous data communication passage; Said synchronous protocol stack module is used to realize the data packing and the protocol conversion of communication interface, and said Data Storage is used for the synchrodata of treating that the synchronous service end is sent is kept at data memory module; When the synchronous service end carries out data sync, treat data in synchronization to carry out data sync from said data memory module taking-up, the synchronous applications module is used to realize the data sync function of application.
Wherein, treat that data in synchronization can comprise enciphered data and non-encrypted data, enciphered data can comprise can not revise synchrodata, can revise enciphered data, and non-encrypted data comprise can revise non-encrypted data;
The software platform module also comprises encrypting module, is used for the need enciphered data is encrypted;
Said data memory module is divided into enciphered data memory module and non-encrypted data memory module; The synchrodata of treating after said Data Storage is encrypted above-mentioned encrypting module is stored in the enciphered data memory module, with non-encrypted storage at non-encrypted data memory module.
Wherein, said synchronous service end includes synchronous service module and the isochronous communication channel module and the data memory module that link to each other with said synchronous service module; Wherein data memory module is used for storage and treats data in synchronization; The isochronous communication channel module is used to carry out the data communication of synchrodata, and the synchronous service module is carried out the sync correlation operation of above-mentioned synchronous service end to said data memory module and isochronous communication channel module controls.
Wherein, said synchronous service module comprises the hardware supports platform and is carried in the software platform module that the sync correlation operation of synchronous service end is carried out in control on the hardware supports platform.
Wherein, said software platform module comprises:
Isochronous communication channel driver module, synchronous protocol stack module, Data Storage and synchronous applications module, wherein
Said isochronous communication channel driver module is used to drive the synchronous data communication passage; Said synchronous protocol stack module is used to realize the data packing and the protocol conversion of communication interface, and said Data Storage is used for the synchrodata of treating that the subscriber identification card that has mobile platform operating system is sent is preserved; When the subscriber identification card that has mobile platform operating system carries out data sync, take out and treat that data in synchronization is to carry out data sync; The synchronous applications module is used to realize the data synchronization service function of application.
In addition, the present invention also provides a kind of method of data synchronization based on the subscriber identification card that has mobile platform operating system, and it comprises:
Log-on data is synchronous, and the isochronous communication channel through separately between subscriber identification card that has mobile platform operating system and synchronous service end directly connects;
The subscriber identification card that has mobile platform operating system carries out data sync with the synchronous service end through the transmitting synchronous data that are connected of above-mentioned foundation.
Wherein, treating that data in synchronization comprises can not revise synchrodata, can revise enciphered data and can revise non-encrypted data;
This method also comprises:
The inspection of synchronous service end treats whether synchrodata is enciphered data, if non-encrypted data are then directly carried out simultaneous operation; Whether can revise encryption check if enciphered data is then carried out, can not revise data and carry out the data tampering inspection.
Wherein, can revise encryption check comprises:
Inspection treats whether synchrodata can be revised, if can, check further whether the user confirms to revise; And after the user confirms to revise; Subscriber identification card and synchronous service end are cooperated jointly, and the synchronous service end is obtained the Authority Verification secret data from subscriber identification card, carry out the user and can revise Authority Verification; After having only the Authority Verification of modification to obtain to pass through, just carry out enciphered data and revise synchronously.Authority Verification is obstructed out-of-date when revising, can not making amendment with synchronously to this enciphered data.
Also comprise:
Synchronous service end and subscriber identification card are confirmed sync direction jointly; If carry out synchronously to the synchronous service terminal from subscriber identification card; Then do not carry out the data tampering inspection,, then need carry out the data tampering inspection if carry out synchronously from the synchronous service terminal to subscriber identification card; Subscriber identification card and synchronous service end are cooperated jointly; The synchronous service end is obtained the checking secret data from subscriber identification card, carries out data and whether distorts inspection, shows that just illegal did not take place data when having only the checking secret data in full accord.
Compared with prior art, the present invention has following beneficial effect:
The present invention is based in the data synchronous system of the subscriber identification card that has mobile platform operating system; Having between subscriber identification card and the synchronous service end of mobile platform operating system directly isochronous communication channel through separately connects, transmits data and carry out data sync; Can reduce the restriction of mobile platform communication path; When making data sync the operation easier, speed is safer sooner.
Description of drawings
Fig. 1 is a kind of specific embodiment block diagram that the present invention is based on the data synchronous system of the subscriber identification card that has mobile platform operating system;
Fig. 2 is a kind of specific embodiment block diagram that has the subscriber identification card of mobile platform operating system among Fig. 1;
Fig. 3 is a kind of specific embodiment block diagram of synchronous service end among Fig. 1;
Fig. 4 is that the synchronous service end is a kind of specific embodiment sketch map of synchronous service website;
Fig. 5 is a kind of synchronous protocol stack sketch map that the present invention realizes data sync;
Fig. 6 is a kind of practical implementation flow chart that the present invention is based on the method for data synchronization of the subscriber identification card that has mobile platform operating system.
Embodiment
Data sync is meant and is consistent the data that are kept in the OS-SIM card with the data that are kept in the synchronous service end.And common data sync is to need could realize through mobile platform; The OS-SIM card must be installed in (like mobile phone) in the mobile platform; 7816 or USB interface and mobile platform (like mobile phone) through standard carry out data communication; And the synchronous service end also must and mobile platform between set up data path and adopt the corresponding synchronous agreement, could accomplish with the OS-SIM card in data sync.Because must could accomplish the data sync between OS-SIM card and the synchronous service end through mobile platform, synchronizing speed has received the restriction of mobile platform, the synchrodata fail safe also lacks assurance.
With reference to figure 1; In order to reduce this intermediate link of mobile platform; Accomplish synchronization of data operation in the OS-SIM card,, comprise OS-SIM card 1 and the synchronous service end 2 of realizing that the data strange land is preserved in the present embodiment in the data synchronous system as a specific embodiment of the present invention;
Wherein the OS-SIM card 1 in the present embodiment promptly is the SIM that has mobile platform operating system, and this card has the characteristics of large data capacity, and stored the mobile platform operating system of using this SIM except realizing the effect of SIM in mobile communcations system.That is to say that the operating system of this mobile platform operation is to be stored in the OS-SIM card.
And synchronous service end 2 is data strange land saved systems of having realized the data sync function; So-called strange land is with respect to OS-SIM card 1; The saved system of non-OS-SIM card 1 all can be described as the strange land saved system; For example the synchronous service website of PC computer or connection the Internet or other any systems that realize that the data strange land is preserved repeat no more here.
2 at card of OS-SIM described in the present embodiment 1 and said synchronous service the end directly isochronous communication channel through separately connect, transmit data and carry out data sync.
Because reduced intermediate link, reduced the restriction of mobile platform communication path in the foregoing description, the speed when making data sync is faster.In addition, through having utilized the security feature of OS-SIM card, can guarantee that data are preserved and synchronous safe and reliable.
During concrete the realization, the high-speed data channel that OS-SIM card 1 itself has is general data path, is fit to carry out data communication with the synchronous service end, for example adopts USB interface.The high-speed communication passage of synchronous service end also can adopt corresponding USB passage, when specifically using, can adopt other high-speed communication passage equally, does not influence effect of the present invention, repeats no more here.
With reference to figure 2, as a specific embodiment of OS-SIM card 1, the OS-SIM card 1 of present embodiment can include main control module 13 and high-speed communication channel module 12 that links to each other with said main control module 13 (being the synchronous communication channel module) and data memory module 11; Wherein data memory module 11 is used for storage and treats data in synchronization; High-speed communication channel module 12 is used to carry out the data communication of synchrodata, the sync correlation operation of 13 pairs of said data memory modules 11 of main control module and high-speed communication channel module 12 controls carrying out subscriber identification card end.
Above-mentioned main control module 13 is controlled and can be adopted central processing unit and be carried in the software platform module that the sync correlation operation of Subscriber Identity Module end is carried out in control on the central processing unit; For example high-speed data communication and protocol conversion be can realize, and synchrodata encryption handling and storage administration etc. carried out.As concrete embodiment, equally with reference to figure 2, the software platform module can comprise isochronous communication channel driver module 131, synchronous protocol stack module 132, Data Storage 133 and synchronous applications module 135, wherein
Said isochronous communication channel driver module 131 is used to drive the synchronous data communication passage; Said synchronous protocol stack module 132 is used to realize the data packing and the protocol conversion of communication interface, and said Data Storage 133 is used for the synchrodata of treating that the synchronous service end is sent is kept at data memory module; When the synchronous service end carries out data sync, treat that from said data memory module taking-up data in synchronization is to carry out data sync; When carrying out data sync, it is synchronous to take out the line data of going forward side by side from said data memory module, and synchronous applications module 135 is used to realize the data sync function of application.
In addition, need explanation, in the present embodiment 2 need of OS-SIM card 1 and synchronous service end data in synchronization can comprise at least two kinds, i.e. application data and system data, and so-called application data mainly refers to user's private data and user application software etc.Application data is divided into enciphered data and non-encrypted data according to using actual conditions.Wherein enciphered data need be encrypted through OS-SIM card 1, is not stolen to guarantee user's private data.And system data refers to that mainly the data such as mobile platform operating system of preservation in the OS-SIM card 1, system data are to encrypt, and can not be modified.
And above-mentioned synchrodata can be divided by the rank of encrypting, and for example above-mentioned synchrodata is divided three classes: can not revise synchrodata, can revise enciphered data, can revise non-encrypted data.Wherein can not revise corresponding mobile platform operating system code of OS-SIM card that synchrodata mainly refers to preserve or driver etc., these data must guarantee that data are unique in the synchronous process, can not be modified.And can revise user cipher that enciphered data mainly refers to for example to preserve or the users such as private daily record of encryption hope ciphered data.Synchrodata has been passed through encryption, and the user carries out carrying out data modification under certain condition simultaneously.For example to refer to that for general data, the user need not encrypt and can revise non-encrypted data owner, adopt expressly and preserve that this data user can according to circumstances arbitrarily make amendment.
And for the OS-SIM card of the foregoing description, be to realize encrypting, the software platform module also can comprise encrypting module 134, is used for the need enciphered data is encrypted; Said data memory module 11 can be divided into enciphered data memory module and non-encrypted data memory module; Said Data Storage 133 is stored in the enciphered data memory module with above-mentioned encrypting module 134 data encrypted, with non-encrypted storage at non-encrypted data memory module.
When carrying out data sync, it is synchronous that enciphered data can be taken out the line data of going forward side by side by Data Storage 11; Because the data of taking out are enciphered datas, have guaranteed safety of data.
With reference to figure 3; Similar with OS-SIM card 1; As a specific embodiment of synchronous service end 2, the synchronous service end 2 of present embodiment can comprise: synchronous service module 23 and high-speed communication channel module 21 that links to each other with said synchronous service module 23 (being the synchronous communication channel module) and memory device 22 (being data memory module); Wherein data memory module is used for storage and treats data in synchronization; The isochronous communication channel module is used to carry out the data communication of synchrodata, and the synchronous service module is carried out the sync correlation operation of above-mentioned synchronous service end to said data memory module and isochronous communication channel module controls.
Synchronous service module 23 mainly comprises the hardware supports platform and is carried in the software platform module that the sync correlation operation of synchronous service end is carried out in control on the hardware supports platform; Said software platform module mainly is meant and operates in the software module of carrying out the respective synchronization service operations on the pairing synchronous service end hardware platform; For example high-speed data communication and protocol conversion be can realize, and synchrodata encryption handling and storage administration etc. carried out.As concrete embodiment, with reference to figure 3, the software platform module can comprise isochronous communication channel driver module 231, synchronous protocol stack module 232, Data Storage 233 and synchronous applications module 234, wherein
Need explain; Above-mentioned synchronous service end both can be meant the PC computer (to call PC synchronous service end in the following text) that has moved OS-SIM card data sync program, also can be meant the website (to call website synchronous service end in the following text) of having realized OS-SIM card data sync backup functionality.No matter the synchronous service end is PC synchronous service end or website synchronous service end; All need form, and the software platform module of synchronous service module can comprise communication port driver module, synchronous protocol stack module, synchronous applications module and Data Storage by high-speed data communication passage, memory device and synchronous service module.
Illustrate as two examples with PC synchronous service and website synchronous service respectively below, be not limited to this two kinds of implementations during actual the realization.
1.PC synchronous service
For PC synchronous service end, the high-speed data communication passage can be a USB interface, sticks into row through USB interface with OS-SIM and directly is connected, and realizes data sync communication.
The communication port driver module is the software that operates on the PC, accomplishes the USB driving with the OS-SIM card.
Synchronous protocol stack module is the software that operates in PC, accomplishes the required agreement of data synchronization service and realizes, has for example adopted the ICP/IP protocol stack or has adopted other special-purpose data communication protocol.
The synchronous applications module is then accomplished each item data sync function, like user interface, and user's synchrodata modification etc.
Data Storage is accomplished data storage management, refers to the management of PC hard-disc storage here for the PC synchronous service.
2. website synchronous service
For website synchronous service end, the high-speed data communication passage is meant that realization is linked by what the OS-SIM card was communicated by letter with the website.For example; With reference to figure 4, utilize the high-speed data path of OS-SIM card---USB, carry out physical connection with a certain equipment for surfing the net (like PC); And carry out website log through Internet through this PC and network interface, realize the high-speed data communication passage of OS-SIM card and synchronous service end thus.
And the communication port driver module is meant the driver that operates in the equipment for surfing the net (like PC), accomplishes the software-driven with the OS-SIM card.
Synchronous protocol stack module is in equipment for surfing the net (like PC), accomplishes needed synchronous protocol, like the ICP/IP protocol stack.
The synchronous applications module provides functions such as user interface, the modification of user's synchrodata, data sync, and for the website synchronous service, this is the part module that operates in the website.
For the website synchronous service, storage device management refers to that corresponding website data is preserved equipment or server stores is managed.
Need explain; For realizing that the data sync of accomplishing between OS-SIM and the synchronous service end need adopt synchronous protocol; Synchronous protocol adopts the structure of layering, and for example with reference to figure 5, the physical communication interface can be provided by OS-SIM card and synchronous service end hardware platform respectively in the present embodiment.OS-SIM and synchronous service end are realized data sync between the two through the communication interface physical connection, and interface connects can take following example:
The synchronous service end adopts standard USB interface, through USB card-reading apparatus and OS-SIM card physical connection, realizes data communication between the two
And, accomplish the data packing and the protocol conversion of communication interface at the synchronization link protocol layer for synchronous protocol; For example the OS-SIM card uses the IPvUSB protocol mode, and the synchronous service end is realized the ICP/IP protocol stack; Perhaps OS-SIM card and synchronous service end are all taked special-purpose agreement.
And, realize synchronous each item function in synchronization application level for synchronous applications, and determine whether that according to the critical situation of data needs are encrypted and it is synchronous whether to allow, take the different synchronization flow process for enciphered data and non-encrypted data.
With specific embodiment synchronous flow process is described below.
With reference to figure 6, carry out data communication channel at step S11 in the present embodiment and set up, promptly OS-SIM and synchronous service end establish a communications link through the high-speed data communication passage.For example, if adopt the OS-SIM card of usb communication interface to be connected, then directly set up data communication through USB with the PC synchronous service; OS-SIM card as if adopting the usb communication interface is connected with the website synchronous service, then through USB and equipment for surfing the net and website realization data channel foundation (with reference to figure 4) synchronously.After data communication channel is set up, begin the inspection of both sides' data sync immediately, at step S12, whether the inspection both sides carry out data sync, when the data that are checked through OS-SIM and synchronous service end need take place just to begin to carry out the data encryption check when synchronous; Otherwise, directly withdraw from synchronously.
Above-mentioned data sync encryption check, promptly at step S13, whether the inspection synchrodata is enciphered data, if the then direct execution in step S17 of non-encrypted data promptly carries out synchronously; If then carrying out, enciphered data whether can revise encryption check; Promptly at step S14; Check that this enciphered data whether can legal modifications; If can not revise enciphered data,, whether bring in to synchronous service according to the synchrodata sync direction and to judge whether to carry out next step inspection by the OS-SIM card then at step S18.If the OS-SIM card is synchronous to the synchronous service end, directly execution in step S17 carries out synchronously.If it is synchronous to OS-SIM by the synchronous service end; Then need carry out data and can not revise inspection; Be execution in step S19, whether the inspection enciphered data is tampered, and keeps in full accord with initial data in the enciphered data that can not revise; Take place in any absence of distorting, could carry out synchronously by execution in step S17.
And for revising enciphered data only at step S15, whether the inspection user confirms to revise, the operation of just making amendment when the user confirms to make amendment, otherwise directly withdraw from synchronously.And when the user confirms to need to revise enciphered data; Then need carry out revising Authority Verification, i.e. execution in step S16, whether inspection can be revised Authority Verification and pass through; Before promptly carrying out modification for revisable enciphered data; OS-SIM card and synchronous service end are cooperated jointly, and the synchronous service end is obtained the Authority Verification secret data from the OS-SIM card, carry out the user and can revise Authority Verification.After having only the Authority Verification of modification to obtain to pass through, just carry out enciphered data and revise synchronously.Authority Verification is obstructed out-of-date when revising, can not making amendment with synchronously to this enciphered data.
Can realize that according to the above embodiments the immediate data between OS-SIM card and synchronous service end is synchronous, avoid this link of mobile platform (for example mobile phone), synchronizing process is more fast simple; Adopt simultaneously and encrypt and modification Authority Verification flow process, guaranteed the synchrodata fail safe.
Claims (10)
1. the data synchronous system based on the subscriber identification card that has mobile platform operating system is characterized in that, comprises subscriber identification card that has mobile platform operating system and the synchronous service end of realizing that the data strange land is preserved;
Between wherein said subscriber identification card that has mobile platform operating system and said synchronous service end directly the isochronous communication channel through separately connect, transmit data and carry out data sync.
2. system according to claim 1 is characterized in that, the said subscriber identification card that has mobile platform operating system includes main control module and the isochronous communication channel module and the data memory module that link to each other with said main control module; Wherein data memory module is used for storage and treats data in synchronization; The isochronous communication channel module is used to carry out the data communication of synchrodata, and main control module carries out the sync correlation operation of above-mentioned subscriber identification card end to said data memory module and isochronous communication channel module controls.
3. system according to claim 2 is characterized in that, said main control module comprises: central processing unit be carried on the central processing unit control and carry out the software platform module of the sync correlation operation of Subscriber Identity Module end, said software platform module comprises:
Isochronous communication channel driver module, synchronous protocol stack module, Data Storage and synchronous applications module, wherein
Said isochronous communication channel driver module is used to drive the synchronous data communication passage; Said synchronous protocol stack module is used to realize the data packing and the protocol conversion of communication interface, and said Data Storage is used for the synchrodata of treating that the synchronous service end is sent is kept at data memory module; When the synchronous service end carries out data sync, treat data in synchronization to carry out data sync from said data memory module taking-up, the synchronous applications module is used to realize the data sync function of application.
4. system according to claim 3 is characterized in that, treats that data in synchronization comprises enciphered data and non-encrypted data, and enciphered data comprises can not revise synchrodata, can revise enciphered data, and non-encrypted data comprise can revise non-encrypted data;
The software platform module also comprises encrypting module, is used for the need enciphered data is encrypted;
Said data memory module is divided into enciphered data memory module and non-encrypted data memory module; The synchrodata of treating after said Data Storage is encrypted above-mentioned encrypting module is stored in the enciphered data memory module, with non-encrypted storage at non-encrypted data memory module.
5. system according to claim 1 is characterized in that, said synchronous service end includes synchronous service module and the isochronous communication channel module and the data memory module that link to each other with said synchronous service module; Wherein data memory module is used for storage and treats data in synchronization; The isochronous communication channel module is used to carry out the data communication of synchrodata, and the synchronous service module is carried out the sync correlation operation of above-mentioned synchronous service end to said data memory module and isochronous communication channel module controls.
6. system according to claim 5; It is characterized in that; Said synchronous service module comprises the hardware supports platform and is carried in the software platform module that the sync correlation operation of synchronous service end is carried out in control on the hardware supports platform that said software platform module comprises:
Isochronous communication channel driver module, synchronous protocol stack module, Data Storage and synchronous applications module, wherein
Said isochronous communication channel driver module is used to drive the synchronous data communication passage; Said synchronous protocol stack module is used to realize the data packing and the protocol conversion of communication interface, and said Data Storage is used for the synchrodata of treating that the subscriber identification card that has mobile platform operating system is sent is preserved; When the subscriber identification card that has mobile platform operating system carries out data sync, take out and treat that data in synchronization is to carry out data sync; The synchronous applications module is used to realize the data synchronization service function of application.
7. the method for data synchronization based on the subscriber identification card that has mobile platform operating system is characterized in that, comprising:
Log-on data is synchronous, and the isochronous communication channel through separately between subscriber identification card that has mobile platform operating system and synchronous service end directly connects;
The subscriber identification card that has mobile platform operating system carries out data sync with the synchronous service end through the transmitting synchronous data that are connected of above-mentioned foundation.
8. method according to claim 7 is characterized in that, treats that data in synchronization comprises can not revise synchrodata, can revise enciphered data and can revise non-encrypted data;
This method also comprises:
The inspection of synchronous service end treats whether synchrodata is enciphered data, if non-encrypted data are then directly carried out simultaneous operation; Whether can revise encryption check if enciphered data is then carried out, if data are to revise enciphered data, check then whether data illegal took place, only guaranteed data are not distorted and are just carried out data sync.
9. method according to claim 8 is characterized in that, can revise encryption check and comprise:
Inspection treats whether synchrodata can be revised, if can, check further whether the user confirms to revise; And after the user confirms to revise; Subscriber identification card and synchronous service end are cooperated jointly, and the synchronous service end is obtained the Authority Verification secret data from subscriber identification card, carry out the user and can revise Authority Verification; After having only the Authority Verification of modification to obtain to pass through, just carry out enciphered data and revise synchronously.Authority Verification is obstructed out-of-date when revising, can not making amendment with synchronously to this enciphered data.
10. method according to claim 8 is characterized in that, also comprises:
Synchronous service end and subscriber identification card are confirmed sync direction jointly; If carry out synchronously to the synchronous service terminal from subscriber identification card; Then do not carry out the data tampering inspection,, then need carry out the data tampering inspection if carry out synchronously from the synchronous service terminal to subscriber identification card; Subscriber identification card and synchronous service end are cooperated jointly; The synchronous service end is obtained the checking secret data from subscriber identification card, carries out data and whether distorts inspection, shows that just illegal did not take place data when having only the checking secret data in full accord.
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