CN101674583A - Method for hiding or recovering personal information when changing SIM card and system thereof - Google Patents
Method for hiding or recovering personal information when changing SIM card and system thereof Download PDFInfo
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- CN101674583A CN101674583A CN200910091743A CN200910091743A CN101674583A CN 101674583 A CN101674583 A CN 101674583A CN 200910091743 A CN200910091743 A CN 200910091743A CN 200910091743 A CN200910091743 A CN 200910091743A CN 101674583 A CN101674583 A CN 101674583A
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Abstract
The invention discloses a method for hiding or recovering personal information when changing a SIM card, comprising the steps: reading an IMSI number on the SIM card; comparing the IMSI number with alegal number memorized on a legal IMSI number memory; judging the legality of the SIM card; when the SIM card is illegal, deriving private data from a mobile phone personal information memory and compressing the private data to be a standby file, memorizing the standby file into a mobile phone hidden data memory, and cancelling the private data memorized in the mobile phone personal information memory; and when the SID is legal, decompressing the standby file memorized in the mobile phone hidden data memory into the private data to be memorized into the mobile phone personal information memory, and cancelling the standby file memorized in the mobile phone hidden data memory. Therefore, the invention provides the method and a system for hiding or recovering the personal information when changing the SIM card so as to effectively protect the mobile phone personal information.
Description
Technical field
The present invention relates to a kind of method and system thereof that hides or recover, the method and system of the personal information in the mobile phone can be hidden or recover to particularly a kind of SIM card of changing mobile phone.
Background technology
Personal data (note on the mobile phone, phone directory) is everyone important private data, for the personal user, be not wish to be obtained by an illegal user, the general demand of people is: when a disabled user is inserted into its oneself SIM card in cellphone subscriber's the mobile phone, this cellphone subscriber does not wish that the disabled user sees its people's private data, and after the SIM card of a validated user insertion oneself, then should show its individual privacy data.At present, mobile phone on the market is when changing SIM card, can only realize that changing SIM card deletes personal information, perhaps the information that manually will back up returns to this locality, and can not accomplish function hiding or that show, in case mobile phone is lost or adopted by the disabled user like this, and when changing SIM card, the personal information of mobile phone can be lost, and has not only revealed privacy, also can make the lawless person avail oneself of the opportunity to get in.
Summary of the invention
At the defective of above-mentioned prior art, the method and system of personal information is hidden or recovered to the replacing SIM card that the purpose of this invention is to provide a kind of effective protection mobile phone personal information.
For achieving the above object, the present invention adopts following technical scheme:
A kind of method of changing that SIM card is hidden or recovering personal information may further comprise the steps:
IMSI on the reading SIM card number, with described IMSI number with legal IMSI number memory on the legal number preserved relatively, judge the legitimacy of SIM card;
When SIM card is illegal card, derive the private data in the mobile phone personal information storage device and be compressed into backup file, described backup file is stored in the mobile phone hiding data memory, and the private data of storing in the deletion mobile phone personal information storage device;
When SIM card was legal card, the backup file decompress(ion) that mobile phone hiding data store memory is stored up was that private data stores in the mobile phone personal information storage device, and the backup file of deletion mobile phone hiding data store memory storage.
The method of personal information is hidden or recovered to replacing SIM card of the present invention, wherein said backup file decompress(ion) with mobile phone hiding data store memory storage is that private data stores into and also comprises the backup file whether previous backup is arranged in checking in the mobile phone hiding data memory before the step in the mobile phone personal information storage device, detection has the backup file of previous backup, then described backup file is returned in the mobile phone personal information storage device.
The method of personal information is hidden or recovered to replacing SIM card of the present invention, and wherein said private data compression comprises encryption, and described backup file decompress(ion) comprises deciphering.
The method of personal information is hidden or recovered to replacing SIM card of the present invention, private data in the wherein said derivation mobile phone personal information storage device also is compressed into backup file, described backup file is stored in the mobile phone hiding data memory, and the step of the private data of storing in the deletion mobile phone personal information storage device, be to be stored as temporary file one and temporary file two in the mobile phone temporary storage by the note that exporter is subjected to comparator control to derive information in the phone directory in the mobile phone personal information storage device and system's mailbox, merge the ciphered compressed canceller with phone directory, temporary file one and temporary file two that note derives are merged into people's private data file one by one, the individual privacy data file is compressed, be encrypted to backup file, backup file is stored in the mobile phone hiding data memory, and the temporary file one in the deletion mobile phone temporary storage, private data in temporary file two and the mobile phone personal information storage device.
The method of personal information is hidden or recovered to replacing SIM card of the present invention, wherein said backup file decompress(ion) with the storage of mobile phone hiding data store memory is that private data stores in the mobile phone personal information storage device, and the step of the backup file of deletion mobile phone hiding data store memory storage, be to be subjected to backup file in the comparator control inquiry mobile phone hiding data memory by requestor, the deciphering decompress(ion) splits canceller the backup file in the mobile phone hiding data memory is decrypted, decompress(ion) is the individual privacy data file, be split as the temporary file one of phone directory data and the temporary file two of note, temporary file one and temporary file two are stored in the mobile phone temporary storage into backup file and temporary file one in the mobile phone temporary storage and temporary file two in the deletion mobile phone hiding data memory; Inducting device imports to temporary file one and temporary file two in the mobile phone personal information storage device.
A kind of system that changes that SIM card is hidden or recover personal information comprises SIM card, and described SIM card is inserted in the mobile phone, on the described SIM card corresponding one by one one IMSI number;
Also comprise mobile phone local storage and handset processes device;
Described mobile phone local storage comprises legal IMSI number memory, mobile phone personal information storage device and mobile phone hiding data memory;
Described legal IMSI number memory is stored IMSI number of legal SIM card;
Described mobile phone personal information storage device storage private data;
Described mobile phone hiding data memory stores backup file;
Described handset processes device is used for IMSI number on the reading SIM card, with described IMSI number with legal IMSI number memory on the legal number preserved relatively, judge the legitimacy of SIM card; When SIM card is illegal card, derive the private data in the mobile phone personal information storage device and be compressed into backup file, described backup file is stored in the mobile phone hiding data memory, and the private data of storing in the deletion mobile phone personal information storage device; When SIM card was legal card, the backup file decompress(ion) that mobile phone hiding data store memory is stored up was that private data stores in the mobile phone personal information storage device, and the backup file of deletion mobile phone hiding data store memory storage.
The system of personal information is hidden or recovered to replacing SIM card of the present invention, and wherein said private data comprises phone directory data and note data.
The system of personal information is hidden or recovered to replacing SIM card of the present invention, and wherein said handset processes device comprises that comparator, exporter, merging ciphered compressed canceller, requestor, deciphering decompress(ion) split canceller and inducting device;
Described comparator is used for reading the legal number of legal IMSI number memory and is inserted in the SIM card in the mobile phone IMSI number, and both are compared, and judges whether the SIM card of inserting in the mobile phone is legal card;
Described exporter is subjected to the control of described comparator to derive the information of All Contacts in the phone directory in the mobile phone personal information storage device and all notes of system's mailbox and is stored as temporary file one and temporary file two in the mobile phone temporary storage;
Described merging ciphered compressed canceller is derived private data by described exporter control, derive the temporary file one and the temporary file two of phone directory, note derivation and merge into people's private data file one by one, backup file is compressed, is encrypted to the individual privacy data file, backup file is stored in the mobile phone hiding data memory, and the private data in temporary file one, temporary file two and the mobile phone personal information storage device in the deletion mobile phone temporary storage;
Described requestor is subjected to backup file in the described comparator control inquiry mobile phone hiding data memory, and having then, indication deciphering decompress(ion) splits canceller work;
Described deciphering decompress(ion) split canceller be subjected to described requestor control with the backup file in the mobile phone hiding data memory be decrypted, decompress(ion) is the individual privacy data file, be split as the temporary file one of phone directory data and the temporary file two of note, temporary file one and temporary file two are stored in the mobile phone temporary storage; Backup file and temporary file one in the mobile phone temporary storage and temporary file two in the deletion mobile phone hiding data memory;
Described inducting device is deciphered the control of decompress(ion) fractionation canceller temporary file one and temporary file two is imported in the mobile phone personal information storage device.
The system of personal information is hidden or recovered to replacing SIM card of the present invention, wherein said mobile phone local storage also comprises the mobile phone temporary storage, the temporary file one of the phone directory data that described mobile phone temporary storage storage is derived and the temporary file two of derivation note data, and the temporary file two of the temporary file one of phone directory data to be imported and note data.
The system of personal information is hidden or recovered to replacing SIM card of the present invention, and wherein said compression and decompress(ion) adopt the ZIP standard-compression algorithm of standard, and the aes algorithm of standard is adopted in described encryption and decryption.
By after inserting the illegal SIM card, hiding stored personal information in the mobile phone, insert legal card back and recover stored personal information in the mobile phone, can reach the purpose of effective protection mobile phone personal information.
Description of drawings
Fig. 1 is that the present invention changes the overview flow chart that the method for personal information is hidden or recovered to SIM card;
Fig. 2 is that the present invention changes the hiding personal information flow chart that the method for personal information is hidden or recovered to SIM card;
Fig. 3 is that the present invention changes the recovery personal information flow chart that the method for personal information is hidden or recovered to SIM card;
Fig. 4 is that the present invention changes the block diagram that the system of personal information is hidden or recovered to SIM card;
Fig. 5 is that the present invention changes the system diagram that the system of personal information is hidden or recovered to SIM card;
Fig. 6 is that the present invention changes the mobile phone use schematic diagram that personal information is hidden or recovered to SIM card.
Embodiment
The execution mode of the present invention being changed that SIM card is hidden or recovering the method and system of personal information below in conjunction with accompanying drawing is elaborated.
Referring to Fig. 1, a kind of method of changing that SIM card is hidden or recovering personal information may further comprise the steps:
Step 101 reads the legal number of preserving on the legal IMSI number memory, and IMSI number of reading on the SIM card of inserting in the mobile phone compares with it;
Step 102, whether the SIM card of judge inserting in the mobile phone is legal card, is execution in step 104 then;
Step 103 is hidden the mobile phone private data;
Step 104 is checked the backup file whether previous backup is arranged in the mobile phone hiding data memory, otherwise execution in step 106;
Step 106 withdraws from.
Referring to Fig. 2, the process of wherein hiding the mobile phone private data may further comprise the steps:
Step 201, comparator control exporter is derived the private data in the mobile phone personal information storage device, private data comprises information and all notes of system's mailbox of All Contacts in the phone directory, is temporary file one with the phone directory storage, and note data is stored as temporary file two;
Step 202, exporter control merge the ciphered compressed canceller temporary file one and temporary file two that phone directory, note derive are merged into people's private data file one by one, and backup file is compressed, is encrypted to the individual privacy data file;
Step 203 stores backup file into mobile phone hiding data memory;
Step 204 merges the private data in temporary file one, temporary file two and the mobile phone personal information storage device in the ciphered compressed canceller deletion mobile phone temporary storage.
Referring to Fig. 3, wherein recover private data to the process of mobile phone and may further comprise the steps:
Whether step 301 stores backup file in the requestor inquiry mobile phone hiding data memory;
Step 302, requestor order deciphering decompress(ion) split canceller with the backup file in the mobile phone hiding data memory be decrypted, decompress(ion) is the individual privacy data file;
Step 303 is split as the temporary file one of phone directory data and the temporary file two of note with the individual privacy data file;
Step 304 stores temporary file one and temporary file two in the mobile phone temporary storage into;
Step 305, deciphering decompress(ion) split canceller control inducting device temporary file one and temporary file two are imported in the mobile phone personal information storage device.
Step 306, deciphering decompress(ion) split backup file and temporary file one in the mobile phone temporary storage 13 and the temporary file two in the canceller 25 deletion mobile phone hiding data memories 14.
Above compression and decompress(ion) adopt the ZIP standard-compression algorithm of standard, and the aes algorithm of standard is adopted in encryption and decryption.
Referring to Fig. 4, Fig. 5, a kind of system that changes that SIM card is hidden or recover personal information comprises SIM card 401, mobile phone local storage 402, handset processes device 403;
Mobile phone local storage 402 comprises legal IMSI number memory 11, mobile phone personal information storage device 12, mobile phone temporary storage 13 and mobile phone hiding data memory 14;
Handset processes device 403 comprises that comparator 21, exporter 22, merging ciphered compressed canceller 23, requestor 24, deciphering decompress(ion) split canceller 25 and inducting device 26;
SIM card 401 is inserted in the mobile phone, SIM card corresponding one by one one IMSI number;
Legal IMSI number memory 11 is stored IMSI number of legal SIM card;
Mobile phone personal information storage device 12 storage private datas, private data comprises phone directory and note data;
The temporary file one of the phone directory data that 13 storages of mobile phone temporary storage are derived and the temporary file two of derivation note data, and the temporary file two of the temporary file one of phone directory data to be imported and note data;
Mobile phone hiding data memory 14 storage backup files;
Comparator 21 is used for reading the legal number of legal IMSI number memory 11 and is inserted in the SIM card 401 in the mobile phone IMSI number, and both are compared, and judges whether the SIM card of inserting in the mobile phone is legal card;
Not that legal card is then hidden the mobile phone personal information; Be legal card,, then recover the mobile phone private data,, then do not carry out recovery process if last insertion is legal SIM card if last insertion is illegal SIM card.
When hiding mobile phone private data, the SIM card 401 that is inserted in the mobile phone is illegal card, and comparator 21 control exporters 22 are derived the information of All Contacts in the phone directory in the mobile phone personal information storage devices 12 and all notes of system's mailbox and are stored as temporary file one and temporary file two in mobile phone temporary storage 13;
Exporter 22 controls merge ciphered compressed canceller 23 temporary file one and temporary file two that phone directory, note derive are merged into people's private data file one by one, backup file is compressed, is encrypted to the individual privacy data file, backup file is stored in the mobile phone hiding data memory 14, and the private data in temporary file one, temporary file two and the mobile phone personal information storage device 12 in the deletion mobile phone temporary storage 13.
When recovering personal information, it is legal card that comparator 21 is judged the SIM card of inserting in the mobile phone, backup file in the control requestor 24 inquiry mobile phone hiding data memories 14, there is backup file then to indicate the deciphering decompress(ion) to split canceller 25 work, then do not withdraw from query script, do not indicate the deciphering decompress(ion) to split canceller 25 work, the deciphering decompress(ion) splits canceller 25 backup file in the mobile phone hiding data memory 14 is decrypted, decompress(ion) is the individual privacy data file, be split as the temporary file one of phone directory data and the temporary file two of note, temporary file one and temporary file two are stored in the mobile phone temporary storage 13, the deciphering decompress(ion) splits canceller 25 control inducting devices 26 temporary file one and temporary file two is imported in the mobile phone personal information storage device 12, and the deciphering decompress(ion) splits backup file and temporary file one in the mobile phone temporary storage 13 and the temporary file two in the canceller 25 deletion mobile phone hiding data memories 14.
Referring to Fig. 5, when using mobile phone, at first store legal number in the legal IMSI number memory 11 on mobile phone, after being inserted into SIM card 401 in the mobile phone, comparator reads the legal number in the legal IMSI number memory 11, and reads in the SIM card 401 that is inserted in the mobile phone IMSI number, and both are compared, judging whether the SIM card of inserting in the mobile phone is legal card, is not that legal card is then hidden the mobile phone personal information.
When hiding mobile phone personal information, promptly the SIM card of Cha Ruing is illegal card, and comparator 21 control exporters 22 are derived the information of All Contacts in the phone directory in the mobile phone personal information storage devices 12 and all notes of system's mailbox and are stored as temporary file one and temporary file two in mobile phone temporary storage 13; Exporter 22 controls merge ciphered compressed canceller 23 temporary file one and temporary file two that phone directory, note derive are merged into people's private data file one by one, backup file is compressed, is encrypted to the individual privacy data file, backup file is stored in the mobile phone hiding data memory 14, and all personal information in temporary file one, temporary file two and the mobile phone personal information storage device in the deletion mobile phone temporary storage 13.
Open mobile phone after inserting the illegal SIM card this moment, do not have any telephone directory information and note in phone directory and note case, and for example note and phone directory are 0 etc., have effectively guaranteed the safety of personal information in the mobile phone.
After inserting legal SIM card, need the personal information in the recovery mobile phone, this moment comparator 21 to judge the SIM card of inserting in the mobile phone be legal card, backup file in the control requestor 24 inquiry mobile phone hiding data memories 14, if do not have backup file in the requestor 24 inquiry mobile phone hiding data memories 14, then withdraw from query script, do not indicate the deciphering decompress(ion) to split canceller 25 work, if inquired in the mobile phone hiding data memory 14 and stored backup file, then order deciphering decompress(ion) fractionation canceller 25 is decrypted the backup file in the mobile phone hiding data memory 14, decompress(ion) is the individual privacy data file, be split as the temporary file one of phone directory data and the temporary file two of note, temporary file one and temporary file two are stored in the mobile phone temporary storage 13, the deciphering decompress(ion) splits canceller 25 control inducting devices 26 temporary file one and temporary file two is imported in the mobile phone personal information storage device 12, and the deciphering decompress(ion) splits backup file and temporary file one in the mobile phone temporary storage 13 and the temporary file two in the canceller 25 deletion mobile phone hiding data memories 14.
Can see telephone directory information and the short message of storing in the mobile phone this moment in the phone directory of mobile phone and note case.
By after inserting the illegal SIM card, hiding stored personal information in the mobile phone, insert legal card back and recover stored personal information in the mobile phone, can reach the purpose of effective protection mobile phone personal information.
Above embodiment is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection range of claims of the present invention.
Claims (10)
1. change the method that personal information is hidden or recovered to SIM card for one kind, it is characterized in that, may further comprise the steps:
On the reading SIM card (401) IMSI number gone up the legal number preserved relatively with described IMSI number with legal IMSI number memory (11), judges the legitimacy of SIM card (401);
When SIM card (401) is illegal card, derive the private data in the mobile phone personal information storage device (12) and be compressed into backup file, described backup file is stored in the mobile phone hiding data memory (14), and the private data of storage in the deletion mobile phone personal information storage device (12);
When SIM card (401) is legal card, be that private data stores in the mobile phone personal information storage device (12) with the backup file decompress(ion) of mobile phone hiding data memory (14) stored, and the backup file of deletion mobile phone hiding data memory (14) stored.
2. the method for personal information is hidden or recovered to replacing SIM card according to claim 1, it is characterized in that, described backup file decompress(ion) with mobile phone hiding data memory (14) stored is that private data stores into and also comprises the backup file whether previous backup is arranged in checking in the mobile phone hiding data memory (14) before the step in the mobile phone personal information storage device (12), detection has the backup file of previous backup, then described backup file is returned in the mobile phone personal information storage device (12).
3. the method for personal information is hidden or recovered to replacing SIM card according to claim 2, it is characterized in that, described private data compression comprises encryption, and described backup file decompress(ion) comprises deciphering.
4. the method for personal information is hidden or recovered to replacing SIM card according to claim 3, it is characterized in that, private data in the described derivation mobile phone personal information storage device (12) also is compressed into backup file, described backup file is stored in the mobile phone hiding data memory (14), and the step of the private data of storing in the deletion mobile phone personal information storage device (12), be to be stored as temporary file one and temporary file two in mobile phone temporary storage (13) by the note that exporter (22) is subjected to comparator (21) control to derive information in the phone directory in the mobile phone personal information storage device (12) and system's mailbox, merge ciphered compressed canceller (23) with phone directory, temporary file one and temporary file two that note derives are merged into people's private data file one by one, the individual privacy data file is compressed, be encrypted to backup file, backup file is stored in the mobile phone hiding data memory (14), and the temporary file one in the deletion mobile phone temporary storage (13), private data in temporary file two and the mobile phone personal information storage device (12).
5. the method for personal information is hidden or recovered to replacing SIM card according to claim 4, it is characterized in that, described backup file decompress(ion) with mobile phone hiding data memory (14) stored is that private data stores in the mobile phone personal information storage device (12), and the step of the backup file of deletion mobile phone hiding data memory (14) stored, be to be subjected to comparator (21) to control the backup file of inquiring about in the mobile phone hiding data memory (14) by requestor (24), the deciphering decompress(ion) splits canceller (25) backup file in the mobile phone hiding data memory (14) is decrypted, decompress(ion) is the individual privacy data file, be split as the temporary file one of phone directory data and the temporary file two of note, temporary file one and temporary file two are stored in the mobile phone temporary storage (13) into backup file in the deletion mobile phone hiding data memory (14) and temporary file one and the temporary file two in the mobile phone temporary storage (13); Inducting device (26) imports to temporary file one and temporary file two in the mobile phone personal information storage device (12).
6. a system that changes that SIM card is hidden or recover personal information comprises SIM card (401), and described SIM card (401) is inserted in the mobile phone, on the described SIM card corresponding one by one one IMSI number;
It is characterized in that, also comprise mobile phone local storage (402) and handset processes device (403);
Described mobile phone local storage (402) comprises legal IMSI number memory (11), mobile phone personal information storage device (12) and mobile phone hiding data memory (14);
Described legal IMSI number memory (11) is stored IMSI number of legal SIM card;
Described mobile phone personal information storage device (12) storage private data;
Described mobile phone hiding data memory (14) storage backup file;
Described handset processes device (403) is used for IMSI number on the reading SIM card (401), goes up the legal number of preserving with described IMSI number with legal IMSI number memory (11) and compares, and judges the legitimacy of SIM card (401); When SIM card (401) is illegal card, derive the private data in the mobile phone personal information storage device (12) and be compressed into backup file, described backup file is stored in the mobile phone hiding data memory (14), and the private data of storage in the deletion mobile phone personal information storage device (12); When SIM card (401) is legal card, be that private data stores in the mobile phone personal information storage device (12) with the backup file decompress(ion) of mobile phone hiding data memory (14) stored, and the backup file of deletion mobile phone hiding data memory (14) stored.
7. the system of personal information is hidden or recovered to replacing SIM card according to claim 6, it is characterized in that described private data comprises phone directory data and note data.
8. the system of personal information is hidden or recovered to replacing SIM card according to claim 7, it is characterized in that described handset processes device (403) comprises that comparator (21), exporter (22), merging ciphered compressed canceller (23), requestor (24), deciphering decompress(ion) split canceller (25) and inducting device (26);
Described comparator (21) is used for reading the legal number of legal IMSI number memory (11) and is inserted in the SIM card (401) in the mobile phone IMSI number, and both are compared, and judges whether the SIM card of inserting in the mobile phone is legal card;
Described exporter (22) is subjected to described comparator (21) control to derive the information of the interior All Contacts of phone directory in the mobile phone personal information storage device (12) and all notes of system's mailbox are stored as temporary file one and temporary file two arrives in the mobile phone temporary storage (13);
Described merging ciphered compressed canceller (23) is derived private data by described exporter (22) control, derive the temporary file one and the temporary file two of phone directory, note derivation and merge into people's private data file one by one, backup file is compressed, is encrypted to the individual privacy data file, backup file is stored in the mobile phone hiding data memory (14), and the private data in temporary file one, temporary file two and the mobile phone personal information storage device (12) in the deletion mobile phone temporary storage (13);
Described requestor (24) is subjected to backup file in described comparator (21) the control inquiry mobile phone hiding data memory (14), and having then, indication deciphering decompress(ion) splits canceller (25) work;
Described deciphering decompress(ion) split canceller (25) be subjected to described requestor (24) control with the backup file in the mobile phone hiding data memory (14) be decrypted, decompress(ion) is the individual privacy data file, be split as the temporary file one of phone directory data and the temporary file two of note, temporary file one and temporary file two are stored in the mobile phone temporary storage (13); Backup file in the deletion mobile phone hiding data memory (14) and temporary file one and the temporary file two in the mobile phone temporary storage (13);
Described inducting device (26) is deciphered decompress(ion) fractionation canceller (25) control temporary file one and temporary file two is imported in the mobile phone personal information storage device (12).
9. the system of personal information is hidden or recovered to replacing SIM card according to claim 8, it is characterized in that, described mobile phone local storage (402) also comprises mobile phone temporary storage (13), the temporary file two of the temporary file one of the phone directory data that described mobile phone temporary storage (13) storage is derived and derivation note data, and the temporary file two of the temporary file one of phone directory data to be imported and note data.
10. the system of personal information is hidden or recovered to replacing SIM card according to claim 9, it is characterized in that, described compression and decompress(ion) adopt the ZIP standard-compression algorithm of standard, and the aes algorithm of standard is adopted in described encryption and decryption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910091743A CN101674583A (en) | 2009-08-25 | 2009-08-25 | Method for hiding or recovering personal information when changing SIM card and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910091743A CN101674583A (en) | 2009-08-25 | 2009-08-25 | Method for hiding or recovering personal information when changing SIM card and system thereof |
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| CN101951606A (en) * | 2010-09-30 | 2011-01-19 | 深圳桑菲消费通信有限公司 | Method for protecting security of information of mobile phone |
| CN103188672A (en) * | 2011-12-28 | 2013-07-03 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal and data protection method thereof |
| WO2014183374A1 (en) * | 2013-05-15 | 2014-11-20 | 中兴通讯股份有限公司 | Method and apparatus for sending storage information of storage card |
| US9003544B2 (en) | 2011-07-26 | 2015-04-07 | Kaspersky Lab Zao | Efficient securing of data on mobile devices |
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| CN101951606A (en) * | 2010-09-30 | 2011-01-19 | 深圳桑菲消费通信有限公司 | Method for protecting security of information of mobile phone |
| WO2012041096A1 (en) * | 2010-09-30 | 2012-04-05 | 深圳桑菲消费通信有限公司 | Method for protecting security of information of mobile phone |
| US9003544B2 (en) | 2011-07-26 | 2015-04-07 | Kaspersky Lab Zao | Efficient securing of data on mobile devices |
| CN103188672A (en) * | 2011-12-28 | 2013-07-03 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal and data protection method thereof |
| WO2014183374A1 (en) * | 2013-05-15 | 2014-11-20 | 中兴通讯股份有限公司 | Method and apparatus for sending storage information of storage card |
| CN105451224A (en) * | 2014-08-18 | 2016-03-30 | 北京国基科技股份有限公司 | Destroying method |
| CN105451224B (en) * | 2014-08-18 | 2018-09-28 | 北京国基科技股份有限公司 | Destroying method |
| CN104540123A (en) * | 2015-01-07 | 2015-04-22 | 福州北卡信息科技有限公司 | Encryption backup and security deletion method and system for important data of mobile terminal |
| CN106060798A (en) * | 2016-05-30 | 2016-10-26 | 广东欧珀移动通信有限公司 | Method and device for processing call record information |
| CN106502816A (en) * | 2016-10-31 | 2017-03-15 | 宇龙计算机通信科技(深圳)有限公司 | Electronic equipment, data export method and system |
| CN110471793A (en) * | 2019-07-18 | 2019-11-19 | 维沃移动通信有限公司 | Data back up method, data reconstruction method, first terminal and second terminal |
| CN110471793B (en) * | 2019-07-18 | 2022-05-06 | 维沃移动通信有限公司 | Data backup method, data recovery method, first terminal and second terminal |
| CN111291404A (en) * | 2020-01-15 | 2020-06-16 | 深圳软牛科技有限公司 | Crypt12 backup decryption method, system, device and storage medium of WhatsApp of android device |
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Application publication date: 20100317 |