CN101431815B - Method, system and apparatus for mobile terminal data backup and recovery - Google Patents
Method, system and apparatus for mobile terminal data backup and recovery Download PDFInfo
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- CN101431815B CN101431815B CN2007101695756A CN200710169575A CN101431815B CN 101431815 B CN101431815 B CN 101431815B CN 2007101695756 A CN2007101695756 A CN 2007101695756A CN 200710169575 A CN200710169575 A CN 200710169575A CN 101431815 B CN101431815 B CN 101431815B
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Abstract
The invention discloses a method of a mobile terminal data backup. The method comprises: collecting the security data of a first mobile terminal. The security data comprises: the corresponding relation between the flash memories of the documents in the document system of the mobile terminal; the security data backup is back upped to the network side. The invention can correct the system to the normal situation while the mobile terminal is disordered. The invention also discloses a system and device of the mobile terminal data backup, a method, system and device for the data restore of the mobile terminal.
Description
Technical field
The present invention relates to the data transmission technology of the communications field, relate in particular to the mthods, systems and devices of a kind of mobile terminal data backup and recovery.
Background technology
Along with the raising of the intelligent degree of portable terminal, the system of portable terminal and the configuration of application software also become increasingly complex.In order to guarantee the safety of mobile terminal data, proposed the data in the portable terminal are backuped to network side, when needed, backed up data returns to portable terminal again.
Existing backup method mainly comprises: by short message or other forms application data to be backed up is sent to network side, so-called application data to be backed up is the various data (comprising note, multimedia message, address list, message registration, notepad, mail, photo, recording, video recording etc.) of storing on portable terminal and the mobile phone card.
Existing restoration methods mainly comprises: when status of mobile terminal when returning to safe condition, again with the application data of backup returns to portable terminal from network side by dangerous.
The process of backup and recovery by above data, what realize only is backup and recovery with the irrelevant application data of mobile terminal system, thisly construct operating system and the file system that backup on file system and recovery depend on portable terminal, if operating system or file system are subjected to the situation of the system disorders that virus damage or user misoperation cause, then above-mentioned backup and recovery process can't realize, let alone be to the recovery of operating system or file system.In addition, also need in the backup of existing application data and the restoration methods data are carried out encryption, but, traditional cipher mode step is more loaded down with trivial details, the communication process complexity, and because various eavesdroppings and spreading unchecked of hacker's behavior such as distort on the network, after application data is carried out general encryption, in transmission course, still may be eavesdropped and be distorted, make that the fail safe of transmission course is lower.
Summary of the invention
The embodiment of the invention provides the mthods, systems and devices of a kind of mobile terminal data backup and recovery, with solve exist in the prior art when the system disorders of portable terminal, the very difficult problem of user with its recovery.
A kind of method of mobile terminal data backup, this method comprises:
Gather the secure data of first portable terminal, described secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal;
With described secure data backup to network side;
Network side receives the recovery request of the sign of the client identification module that comprises described first portable terminal that second portable terminal sends;
Network side is handed down to the storage entity according to described sign with described secure data.
The method that a kind of mobile terminal data recovers, the secure data of network side preservation first portable terminal, this secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal when mobile terminal data recovers, comprising:
Network side receives the recovery request of the sign of the client identification module that comprises described first portable terminal that is sent by second portable terminal;
Network side is handed down to the storage entity according to described sign with described secure data;
If the external data writing module is determined the flash block of described first portable terminal and is existed, then the described secure data in the described storage entity write in the file system of first portable terminal again.
A kind of system of mobile terminal data backup, this system comprises:
First portable terminal is used for gathering and sending secure data, and described secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal;
The webserver is used to receive and preserve the secure data that described first portable terminal sends;
Second portable terminal is used for sending to the described webserver recovery request of the sign of the client identification module that comprises described first portable terminal;
The storage entity is used to receive the described secure data that network side issues according to described sign.
A kind of mobile terminal data recovery system, this system comprises:
The webserver, be used to preserve the secure data of first portable terminal, this secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal, and receive the recovery request of the sign of the client identification module comprise described first portable terminal, according to described sign secure data is issued;
Second portable terminal is used for sending to the described webserver recovery request of the sign of the client identification module that comprises described first portable terminal;
The storage entity is used to receive the secure data that the described webserver issues according to described sign;
The external data writing module is used for when the flash block of determining described first portable terminal exists the described secure data in the described storage entity being write in the file system of first portable terminal again.
By the method for the corresponding relation between the flash block that each file is corresponding with this document in the file system of backup portable terminal, make when mobile terminal system gets muddled, can correctly it be returned to certain normal condition.
Description of drawings
Fig. 1 is the method step schematic flow sheet of mobile terminal data backup in the embodiment of the invention one;
Fig. 2 is a method step schematic flow sheet of gathering the secure data of portable terminal in the embodiment of the invention one;
Fig. 3 is the method step schematic flow sheet that mobile terminal data recovers in the embodiment of the invention three;
Fig. 4 (a) and Fig. 4 (b) are the system configuration schematic diagram of mobile terminal data backup in the embodiment of the invention three;
Fig. 5 is a mobile terminal structure schematic diagram in the embodiment of the invention four;
Fig. 6 is a network server structure schematic diagram in the embodiment of the invention five;
Fig. 7 (a) and Fig. 7 (b) are mobile terminal data recovery system structural representation in the embodiment of the invention six;
Fig. 8 is a network server structure schematic diagram in the embodiment of the invention seven;
Fig. 9 is a mobile terminal structure schematic diagram in the embodiment of the invention eight.
Embodiment
Describe the inventive method in detail below in conjunction with specific embodiment.
The embodiment of the invention one is described a kind of scheme of mobile terminal data backup, and as shown in Figure 1, this scheme may further comprise the steps:
Step 101: portable terminal sends backup request to network side.
In the present embodiment, the condition of triggering mobile terminals transmission backup request includes but not limited to: network side indicating mobile terminal backup secure data, user's indicating mobile terminal backup secure data and portable terminal self periodic backups secure data.
Step 102: judge whether network side accepts backup request, if receive, then execution in step 103, otherwise, execution in step 111.
In embodiments of the present invention, the sign that can comprise this portable terminal and/or client identification module (as SIM card) in the backup request, network side carries out authentication according to the sign that receives to portable terminal and/or client identification module, judge whether it has the authority of backup secure data, if authentication is by thinking that then network side accepts backup request; Otherwise, think that network side do not accept backup request.
Step 103: network side returns encrypted public key to portable terminal.
Step 104: the secure data of gathering portable terminal.
In various embodiments of the present invention, mentioned secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described portable terminal, it is file storage content page OOB partial content, further, secure data also comprises catalogue file and the file storage homepage surface information in the file system.
In the present embodiment, OOB data description information on the embedded system to portable terminal in the exclusive log type file system bottom page backs up, and the mechanism of writing of change log type file system, its each retouching operation is all write in sleazy new page, even can't start maybe can't read file system the time in operating system like this, can recover file system by the external data writing module, with the still still bottom page of existence recovery physically of deletion in logic, thereby make system restoration arrive certain state of backup before.
Step 105: the secure data that the public key encryption that use receives collects.
Step 106: the international mobile subscriber identification code (IMSI) in the client identification module of use portable terminal is signed to secure data.
Since terminal operating system can reading SIM card in the IMSI data, and the server of network side also can find corresponding IMSI data by user number information as common carrier, that at the communicating pair at first of communicating by letter a unanimity arranged like this and connect all inconsistent key at each client-to-server communication, simplified the step of communication greatly, also reduced when client and server carries out key agreement simultaneously and distorted caused security risk by eavesdropping.
Step 107: the secure data that will encrypt and sign sends to network side.
Step 108: whether portable terminal receives the successful backup response that network side returns, if then execution in step 109, otherwise execution in step 110.
After network side receives secure data, at first according to the IMSI data of preserving to carrying out signature verification, checking by after secure data decomposed deposit in the network side safety data database.
Step 109: portable terminal shows success message to the user, and withdraws from backup procedure.
Step 110: portable terminal judges whether the number of times to network side transmission secure data reaches threshold value, if do not reach, then execution in step 107; Otherwise, execution in step 111.
Step 111: portable terminal shows failed message to the user, and withdraws from backup procedure.
To step 111, realized the process of a mobile terminal data backup by above step 101.Particularly, as shown in Figure 2, the step of gathering the secure data of portable terminal in the step 104 can comprise:
Step 104A: the flash area of scanning portable terminal.
Step 104B: the catalogue file in the file system is backed up.
Step 104C:, back up the OOB part of each file storage homepage face and file storage content page according to the file of describing in the catalogue file.
Step 104D: the packing data among step 104B and the step 104C is backed up.
After the secure data backup with portable terminal, when suffering that as if portable terminal virus attack or user misoperation cause system disorders, the recovery scheme that can utilize the embodiment of the invention two to provide, the system restoration that makes portable terminal is to the state that backs up before.
The method that the described mobile terminal datas of the embodiment of the invention two recover can be to realize on the basis of embodiment one, also can be to realize on other the method basis of backup secure data.
The method step schematic flow sheet of embodiment two as shown in Figure 3, this scheme may further comprise the steps:
Step 301: network side receives recovery request, comprises the sign of client identification module of first portable terminal and/or the sign of first portable terminal in this recovery request.
Before this step, network side has been preserved the secure data of first portable terminal, and this secure data comprises: catalogue file and file storage homepage surface information in the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal, the described first mobile terminal document system.
Step 302: judge whether network side accepts recovery request, if accept, then execution in step 303; Otherwise, execution in step 312.
Also comprise the portable terminal of initiating this recovery request and the sign of client identification module in the described recovery request, network side judges according to this sign whether this portable terminal has the right of initiating recovery request, if having, thinks that then network side accepts recovery request; Otherwise, think that network side do not accept recovery request.
Step 303: network side finds out corresponding secure data according to the sign of described first portable terminal.
Step 304: the network side encryption safe data that use public-key.
Step 305: network side uses the IMSI of the client identification module of first portable terminal that secure data is signed.
The mode of IMSI that network side obtains the client identification module of first portable terminal includes but not limited to: portable terminal sends when initiating recovery request, network side obtains when the backup secure data.
Step 306: the secure data after network side will be encrypted and sign issues.
Step 307: network side judges whether to receive described secure data, if receive, then execution in step 308, otherwise, execution in step 312.
Step 308: the entity that receives described secure data is with the secure data decoding and carry out verification, when verification by the time, execution in step 309, otherwise, execution in step 312.
Step 309: scan the whole flash memory of first portable terminal, and judge whether described flash block exists, if exist, then execution in step 310; Otherwise, execution in step 312.
For example, if when backup, three files that name in the file system are called A, B and C are preserved with its corresponding relation of distinguishing corresponding flash block 1, flash block 2 and flash block 3, and when data are recovered, when scanning whole mountain village, first portable terminal finds that flash block 1 is covered by other flash block, thinks that then flash block does not exist; If first portable terminal determines that flash block 1, flash block 2 and flash block 3 all are not capped, think that then flash block exists.
Step 310: recover the first portable terminal catalogue file and file storage homepage face.
Step 311: recover the corresponding relation between each file and flash block in the file system of first portable terminal.
In embodiments of the present invention, the portable terminal of initiating recovery request to network side has multiple, and the entity that receives the secure data that network side issues also has multiple, includes but not limited to following two kinds of situations:
First kind: if the system of first portable terminal gets muddled, but still can access network and transceive data (as the safe mode that enters system), the operation that then sends recovery request can be carried out by first portable terminal, and network side also is handed down to described secure data described first portable terminal.Follow-up, can directly determine by first portable terminal whether described flash block exists, if existence, then execution in step 310 and step 311.
Second kind: serious disorderly if the system of first portable terminal occurs, can't transceive data, then the client identification module in first kind of terminal can be installed in second portable terminal, initiate described recovery request by second portable terminal, the secure data that the reception network side issues also can be realized by the storage entity, this storage entity can be second portable terminal, or has the entity of data storage function.Follow-up, determine by the external data writing module whether the flash block of described first portable terminal exists, if exist, then the described secure data in the described storage entity is write in the file system of first portable terminal again.Described external data writing module is a kind of logic module, realizes the operation to the system program of first portable terminal.
Step 312: show error message to the user, withdraw from recovery process.
By embodiment one and embodiment two is respectively to the backup of mobile terminal data and the description of recovery process, further, the scheme of these two embodiment is combined, promptly become a complete mobile terminal data backup and recovery process, repeat no more herein.
Shown in Fig. 4 (a) and Fig. 4 (b), system configuration schematic diagram for mobile terminal data backup in the embodiment of the invention three, present embodiment is corresponding with embodiment one, system mainly comprises first portable terminal 11 and the webserver 12, wherein, first portable terminal 11 is used for gathering and sending secure data, described secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal further comprises catalogue file and file storage homepage face in the described first mobile terminal document system; The webserver 12 is used to receive and preserve the secure data that described first portable terminal sends.
Further, with the entity division in the system: described first portable terminal 11 comprises acquisition module 21 and sending module 22, and wherein, acquisition module 21 is used to gather described secure data; Sending module 22 is used for sending described secure data to the described webserver 12; The described webserver 12 comprises receiver module 31 and preserves module 32 that wherein, receiver module 31 is used to receive described secure data; Preserving module 32 is used for the described safety that receives is preserved.
Fail safe in order to ensure data transmission procedure, described sending module 22 in described first portable terminal 11 also comprises signature unit 23 and performance element 24, wherein, signature unit 23 is used for using the international mobile subscriber identification code of the client identification module of self that described secure data is signed; Performance element 24 is used for the secure data behind the signature is sent to the webserver 12.Accordingly, the described webserver 12 also comprises authentication module 33, is used for described secure data is verified, after checking is passed through, triggers described preservation module 32.
If embodiment one and embodiment two are combined, then the structure of system is except foregoing description, and the receiver module 31 of the described webserver 12 also is used to receive the recovery request of the sign of the client identification module that comprises described first portable terminal; The described webserver 12 also comprises and issues module 34, is used for according to the sign that receives described secure data being issued.The entity that issues described recovery request can have two kinds, describes respectively below:
Shown in Fig. 4 (a), the sending module 22 in described first portable terminal 11 in the system also is used for sending described recovery request to the described webserver 12; And described first portable terminal also comprises secure data receiver module 25, is used to receive the described secure data that the described webserver 12 issues.Described first portable terminal also comprises recovery module 26, when being used for determining that described flash block exists, according to the corresponding relation between each file and the flash block in the secure data recovery file system that receives.
Shown in Fig. 4 (b), also comprise second portable terminal 13 and storage entity 14 in the system, wherein, second portable terminal 13 is used for sending described recovery request to the described webserver 12, comprises the sign of the client identification module of described first portable terminal 11 in this recovery request; Storage entity 14 is used to receive the described secure data that the webserver 12 issues.In concrete data recovery procedure, described system also comprises external data writing module 15, is used for when the flash block of determining described first portable terminal exists the described secure data in the described storage entity being write in the file system again.
When backup, need consider data transmission security, similarly, when recovering, data need too, therefore, the module 34 that issues in the described webserver 12 comprises signature unit 35 and performance element 36, wherein, signature unit 35 is used to utilize described international mobile subscriber identification code that described secure data is signed; Performance element 36 is used for the secure data behind the signature is issued.
According among the embodiment three to the description of standby system, the embodiment of the invention four also provides a kind of portable terminal, its structure as shown in Figure 5, mainly comprise acquisition module 41 and sending module 42, wherein, acquisition module 41 is used to gather secure data, and described secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described portable terminal; Sending module 42 is used to send described secure data.
Further, described sending module 42 comprises signature unit 43 and performance element 44, and wherein, signature unit 43 is used for using the international mobile subscriber identification code of the client identification module of self that described secure data is signed; Performance element 44 is used for the secure data behind the signature is sent.
Also comprise recovery module 45 if consider data recovery procedure, then described portable terminal, be used for when definite described flash block is deposited, according to the corresponding relation between each file and the flash block in the secure data recovery file system that receives.
Equally according among the embodiment three to the description of standby system, the embodiment of the invention five also provides a kind of webserver, its structure as shown in Figure 6, mainly comprise receiver module 51 and preserve module 52, wherein, receiver module 51 is used to receive secure data, and described secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of portable terminal; Preserve module 52 and be used to preserve described secure data.
If described secure data is to use the secure data of the international mobile subscriber identification code signature in the client identification module of portable terminal, the then described webserver also comprises authentication module 53, be used for described secure data is verified, after checking is passed through, trigger described preservation module 52.
If consider data recovery procedure, then described receiver module 51 also is used to receive recovery request, comprises the sign of client identification module of described portable terminal and/or the sign of portable terminal in this recovery request; The then described webserver also comprises sending module 54, is used for according to this sign described secure data being sent to described portable terminal.
Further, described sending module 54 comprises signature unit 55 and performance element 56, and wherein, signature unit 55 is used to utilize described international mobile subscriber identification code that described secure data is signed; Performance element 56 is used for the secure data behind the signature is sent to portable terminal.
In addition, corresponding with embodiment two, the embodiment of the invention six also provides a kind of mobile terminal data recovery system, shown in Fig. 7 (a) and Fig. 7 (b), this system comprises the webserver 61, be used to preserve the secure data of first portable terminal, this secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal, and receive the recovery request of the sign of the client identification module comprise described first portable terminal, according to described sign secure data is issued.Particularly, the webserver 61 can comprise to be preserved module 71, receiver module 72 and issues module 73, wherein, preserves module 71 and is used to preserve described secure data; Receiver module 72 is used to receive described recovery request; Issuing module 73 is used for according to described sign secure data being issued.
The entity that sends described recovery request can have two kinds, describes respectively below:
Shown in Fig. 7 (a), described system also comprises first portable terminal 62, is used for sending described recovery request to the described webserver 61, and receives the described secure data that issues.
Further, described first portable terminal 62 is used for when definite described flash block exists, according to the corresponding relation between each file and the flash block in the secure data recovery file system that receives.
Shown in Fig. 7 (b), described system also comprises second portable terminal 63 and storage entity 64, and wherein, second portable terminal 63 is used for sending described recovery request to the described webserver 61; Storage entity 64 is used to receive the described secure data that the described webserver 61 issues.
Further, described system also comprises external data writing module 65, is used for when the flash block of determining described first portable terminal exists the described secure data in the described storage entity being write in the file system of first portable terminal again.
The module 73 that issues in the described webserver 61 comprises signature unit 74 and performance element 75, and wherein, signature unit 74 is used for utilizing the international mobile subscriber identification code of the client identification module of described portable terminal that described secure data is signed; Performance element 75 is used for the secure data behind the signature is issued.
System according to the embodiment of the invention six descriptions, the embodiment of the invention seven also provides a kind of webserver, as shown in Figure 8, this webserver comprises to be preserved module 81, receiver module 82 and issues module 83, wherein, preserve the secure data that module 81 is used to preserve portable terminal, this secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described portable terminal; Receiver module 82 is used to receive recovery request, comprises the sign of the client identification module of described portable terminal in this recovery request; Issuing module 83 is used for according to described sign secure data being issued.
The described module 83 that issues comprises signature unit 84 and performance element 85, and wherein, signature unit 84 is used for utilizing the international mobile subscriber identification code of the client identification module of described portable terminal that described secure data is signed; Performance element 85 is used for the secure data behind the signature is issued.
System according to the embodiment of the invention six descriptions, the embodiment of the invention eight also provides a kind of portable terminal, as shown in Figure 9, this portable terminal comprises receiver module 91, be used to receive secure data, described secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described portable terminal.Further, described portable terminal also comprises recovery module 92, is used for when definite described flash block exists, according to the corresponding relation between each file and the flash block in the secure data recovery file system that receives.
By the described mthods, systems and devices of the embodiment of the invention, at the system of the portable terminal secure data of standby system just often, when system gets muddled, obtain secure data from network side, with system restoration to certain normal condition, realized recovery, reduced the security threat of malicious sabotage file mobile terminal system; In addition, in data transmission procedure, adopt the IMSI signature, the safety of data transmission of raising, and simplified communication process.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (19)
1. the method for a mobile terminal data backup is characterized in that, this method comprises:
Gather the secure data of first portable terminal, described secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal;
With described secure data backup to network side;
Network side receives the recovery request of the sign of the client identification module that comprises described first portable terminal that second portable terminal sends;
Network side is handed down to the storage entity according to described sign with described secure data.
2. the method for mobile terminal data backup according to claim 1 is characterized in that described secure data also comprises: catalogue file in the described first mobile terminal document system and file storage homepage surface information.
3. the method for mobile terminal data backup according to claim 1 is characterized in that, described secure data backup to network side is comprised:
Use the international mobile subscriber identification code in the client identification module of described first portable terminal that described secure data is signed;
With the signature after secure data backup to network side.
4. mobile terminal data backup method as claimed in claim 3 is characterized in that, described method also comprises:
After network side receives described secure data, utilize this international mobile subscriber identification code that described secure data is verified, after checking is passed through, preserve described secure data.
5. the method for mobile terminal data backup according to claim 1 is characterized in that described method also comprises:
If the external data writing module is determined the flash block of described first portable terminal and is existed, then the described secure data in the described storage entity write in the file system of first portable terminal again.
6. the method for mobile terminal data backup according to claim 1 is characterized in that described storage entity is described second portable terminal, or has the entity of data storage function.
7. the method for mobile terminal data backup according to claim 1 is characterized in that, network side also comprises before described secure data is issued:
Network side utilizes international mobile subscriber identification code that described secure data is signed.
8. the method recovered of a mobile terminal data, it is characterized in that, the secure data of network side preservation first portable terminal, this secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal, when mobile terminal data recovers, comprising:
Network side receives the recovery request of the sign of the client identification module that comprises described first portable terminal that is sent by second portable terminal;
Network side is handed down to the storage entity according to described sign with described secure data;
If the external data writing module is determined the flash block of described first portable terminal and is existed, then the described secure data in the described storage entity write in the file system of first portable terminal again.
9. the method for recovering as mobile terminal data as described in the claim 8 is characterized in that described storage entity is described second portable terminal, or has the entity of data storage function.
10. the method for recovering as mobile terminal data as described in the claim 8 is characterized in that, network side also comprises before described secure data is issued:
Network side utilizes international mobile subscriber identification code that described secure data is signed.
11. the system of a mobile terminal data backup is characterized in that, this system comprises:
First portable terminal is used for gathering and sending secure data, and described secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal;
The webserver is used to receive and preserve the secure data that described first portable terminal sends;
Second portable terminal is used for sending to the described webserver recovery request of the sign of the client identification module that comprises described first portable terminal;
The storage entity is used to receive the described secure data that network side issues according to described sign.
12. the system as mobile terminal data backup as described in the claim 11 is characterized in that,
Described first portable terminal comprises:
Acquisition module is used to gather described secure data;
Sending module is used for sending described secure data to the described webserver;
The described webserver comprises:
Receiver module is used to receive described secure data;
Preserve module, be used for the described secure data that receives is preserved.
13. the system as mobile terminal data backup as described in the claim 12 is characterized in that described sending module also comprises:
Signature unit is used for using the international mobile subscriber identification code of the client identification module of self that described secure data is signed;
Performance element is used for the secure data behind the signature is sent to the webserver.
14. the system as mobile terminal data backup as described in the claim 13 is characterized in that the described webserver also comprises:
Authentication module is used for described secure data is verified, after checking is passed through, triggers described preservation module.
15. the system as mobile terminal data backup as described in the claim 11 is characterized in that described system also comprises:
The external data writing module is used for when the flash block of determining described first portable terminal exists the described secure data in the described storage entity being write in the file system again.
16. the system as mobile terminal data backup as described in the claim 13 is characterized in that, the described webserver comprises also and issues module that the described module that issues comprises:
Signature unit is used to utilize described international mobile subscriber identification code that described secure data is signed;
Performance element is used for the secure data behind the signature is issued.
17. a mobile terminal data recovery system is characterized in that, this system comprises:
The webserver, be used to preserve the secure data of first portable terminal, this secure data comprises: the corresponding relation between the flash block that each file is corresponding with this document in the file system of described first portable terminal, and receive the recovery request of the sign of the client identification module comprise described first portable terminal, according to described sign secure data is issued;
Second portable terminal is used for sending to the described webserver recovery request of the sign of the client identification module that comprises described first portable terminal;
The storage entity is used to receive the secure data that the described webserver issues according to described sign;
The external data writing module is used for when the flash block of determining described first portable terminal exists the described secure data in the described storage entity being write in the file system of first portable terminal again.
18. the system as mobile terminal data as described in the claim 17 recovers is characterized in that the described webserver comprises:
Preserve module, be used to preserve described secure data;
Receiver module is used to receive described recovery request;
Issue module, be used for secure data being issued according to described sign.
19. the system as mobile terminal data as described in the claim 18 recovers is characterized in that the described module that issues comprises:
Signature unit is used for utilizing the international mobile subscriber identification code of the client identification module of described portable terminal that described secure data is signed;
Performance element is used for the secure data behind the signature is issued.
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| CN2007101695756A CN101431815B (en) | 2007-11-09 | 2007-11-09 | Method, system and apparatus for mobile terminal data backup and recovery |
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| CN2007101695756A CN101431815B (en) | 2007-11-09 | 2007-11-09 | Method, system and apparatus for mobile terminal data backup and recovery |
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| CN1351292A (en) * | 2000-10-27 | 2002-05-29 | 刘劲彤 | Information stand-by and restoration method for wireless equipment |
| CN1976517A (en) * | 2006-11-30 | 2007-06-06 | 华为技术有限公司 | Mobile terminal and backup data information method thereof |
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