CN103034819A - SD (Secure Digital) card capable of switching storage partitions and control method of SD card - Google Patents
SD (Secure Digital) card capable of switching storage partitions and control method of SD card Download PDFInfo
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- CN103034819A CN103034819A CN2012105684446A CN201210568444A CN103034819A CN 103034819 A CN103034819 A CN 103034819A CN 2012105684446 A CN2012105684446 A CN 2012105684446A CN 201210568444 A CN201210568444 A CN 201210568444A CN 103034819 A CN103034819 A CN 103034819A
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Abstract
The invention discloses an SD (Secure Digital) card capable of switching storage partitions and a control method of the SD card. The SD card logically comprises a controller and user data storage partitions, wherein the user data storage partitions comprise a public storage partition and a secure storage partition. The SD card is arranged on an intelligent terminal and a power supply is obtained, the controller opens the public storage partition and closes the secure storage partition, after receiving a control command of switching to the secure storage partition or switching to the public storage partition, which is sent by dedicated control software, the controller is used for switching the user data storage partitions to ensure that an intelligent terminal file system only displays one user data storage partition, and user data read and written for the SD card are pointed to the user data storage partition. The dedicated control software is used for carrying out identity authorization on a user, and sends a control command after the authorization is passed. The invention can be widely applied to various intelligent terminals, and is used for securely storing and using a file needing being protected, and therefore the security of various mobile applications is greatly improved.
Description
Technical field
The present invention relates to static memory technical equipment field and field of information security technology, relate in particular to safe storage and the application of SD card, specifically refer to a kind of safe SD card and control method of changeable partition holding.
Background technology
The SD card is a kind of portable memory card.The SD card has the multiple packing forms such as Standard SD, Mini SD, Micro SD.Because the SD card size is little, memory capacity is large, be widely used at mobile phone, panel computer, digital camera, Digital Video, personal digital assistant PDA and the various intelligent terminals such as multimedia player, computing machine, but common SD card used in everyday produces some information security hidden danger easily, and wherein modal is exactly that intelligent terminal is lost the sensitive document that causes problem out of control.
Take mobile phone as example, along with processing power and the intelligent degree of mobile phone are more and more higher, the various sensitive documents that produce and preserve are also more and more, for example secret photo and video, secret mail and address list, the file relevant with finance, all kinds of account number cipher files, etc.In case mobile phone is lost, these sensitive documents will run off away, and very likely by other people abuse, even cause serious baneful influence.
The above-mentioned potential safety hazard of common SD card has caused widely threat to the use of intelligent terminal, therefore proposes targetedly a kind of safe SD card that can address the above problem, and has positive social effect.
Summary of the invention
Can be by the potential safety hazard of arbitrarily browsing and copying for the file of storing in the common SD card; the invention discloses a kind of safe SD card and control method of changeable partition holding; can carry out safeguard protection to the sensitive document of storing on the safe SD card, sensitive document can not arbitrarily be accessed.
The present invention is achieved by following technical solution.
Comprise controller and storage of subscriber data district on the safe SD card logic, the storage of subscriber data district comprises open partition holding and safe storage subregion.The special-purpose control of installation and operation software can be controlled safe SD card on the intelligent terminals such as mobile phone, panel computer, computing machine.
Special-purpose control software carries out authentication to the user of intelligent terminal, after authentication is passed through, just allows the user to control safe SD card.The user sends " switching to the safe storage subregion " and " switching to open partition holding " instruction by special-purpose control software to safe SD card, and safe SD card is controlled.
After safe SD card is installed in mobile phone, panel computer, digital camera, Digital Video, personal digital assistant PDA and the intelligent terminals such as multimedia player, computing machine, safe SD card obtains power supply from intelligent terminal, the open partition holding of controller opens, the closed safe partition holding, this moment, intelligent terminal was to the reading and writing data of safe SD card directed open partition holding all; After safe SD was stuck in the instruction of " the switching to the safe storage subregion " of receiving that special-purpose control software sends, controller cut out open partition holding, opens the safe storage subregion, and this moment, intelligent terminal was to the reading and writing data of safe SD card directed safe storage subregion all; After safe SD is stuck in the instruction of " the switching to open partition holding " of receiving that special-purpose control software sends, master controller closed safe partition holding, open open partition holding, this moment, intelligent terminal was to the reading and writing data of safe SD card directed open partition holding all.
User after authentication is passed through; can be according to the special-purpose control of the actual needs operation software of oneself; select different storage of subscriber data subregions as the memory device of intelligent terminal; and will oneself think that the file that need protect stores the safe storage subregion of safe SD card into, will think that ostensible file stores the open partition holding of safe SD card into.
The invention has the beneficial effects as follows: the user of safe SD card can be according to the actual needs of oneself; to the storage of classifying of the file in the intelligent terminals such as mobile phone; deposit the various protected files that need such as secret photo in the safe storage subregion, deposit ordinary file in open partition holding.Like this, under general state, only have open partition holding as seen, the safe storage subregion is hidden.Even the intelligent terminals such as mobile phone are lost, because the safe storage subregion of safe SD card is hidden and needs authentication just to conduct interviews and read and write, the sensitive document that is kept in the safe storage subregion can not accessed, browse, copy, abuse by the person of picking up, thereby when fully keeping property easy to use, greatly promoted the data security of the mobile intelligent terminals such as mobile phone.
Description of drawings
Fig. 1 represents the schematic diagram of the safe SD card of embodiment.
Fig. 2 represents that the safe SD of embodiment is stuck in the demonstration figure that opens open partition holding on the computing machine.
Fig. 3 represents the special-purpose control of the safe SD card of embodiment software identify identification surface chart.
Fig. 4 represents the special-purpose control of the safe SD card of embodiment software master surface chart.
Fig. 5 represents that the safe SD of embodiment is stuck in the demonstration figure that opens the safe storage subregion on the computing machine.
Embodiment
For conveniently present invention is described, embodiment selects to be achieved as intelligent terminal with computing machine.
Below in conjunction with accompanying drawing, the embodiment by on computers elaborates the present invention.
Safe SD card of the present invention comprises controller and storage of subscriber data district in logic, and the storage of subscriber data district comprises open partition holding and safe storage subregion.The user controls safe SD card by the special-purpose control of installation and operation in mobile phone, panel computer, digital camera, Digital Video, personal digital assistant PDA and the various intelligent terminals such as multimedia player, computing machine software.Fig. 1 is the schematic diagram of safe SD card of the present invention.
After safe SD card of the present invention inserts computing machine, increase a mobile storage drive in the computer file system, what show in the drive is the file content of the open partition holding of safe SD card.Fig. 2 is after safe SD card of the present invention inserts computing machine, the demonstration figure of the open partition holding of safe SD card that computer file system is shown.
Carry out on computers the special-purpose control of safe SD card software, enter special-purpose control software identify identification interface.Special-purpose control software carries out authentication to the user.Fig. 3 is special-purpose control software identify identification surface chart.
After the authentication of user by special-purpose control software, just can enter special-purpose control software master interface.Fig. 4 is special-purpose control software master surface chart.
If the user need to use the safe storage subregion, then click " switching to the safe storage subregion " button in the special-purpose control software master interface, after receiving this instruction, safe SD card master controller closes open partition holding, open the safe storage subregion, the drive content of safe SD card in the computer file system becomes the file in the safe storage subregion at this moment.The user can copy the sensitive documents such as secret photo in the safe storage subregion this moment, is kept at the alternative document in the safe storage subregion before also can browsing and open.Fig. 5 is the drive demonstration figure of safe SD card safe storage subregion.
If the user need to use open partition holding, then click " switching to open partition holding " button in the special-purpose control software master interface, safe SD card master controller is received closed safe partition holding after this instruction, open open partition holding, the drive content of safe SD card in the computer file system becomes the file in the open partition holding at this moment.The safe storage subregion that comprise the sensitive document such as secret photo this moment is fully closed, and the user again becomes and uses open partition holding.Fig. 2 is the drive demonstration figure of the open partition holding of safe SD card.
Claims (3)
1. the safe SD card of a changeable partition holding, it is characterized in that, comprise controller and storage of subscriber data district on the safe SD card logic, the storage of subscriber data district comprises open partition holding and safe storage subregion, and open partition holding and safe storage subregion switch by controller.
2. safe SD card as claimed in claim 1, it is characterized in that, safe SD card can be controlled software by special use and control, but the installation and operation of special-purpose control software is on mobile phone, panel computer, digital camera, Digital Video, personal digital assistant PDA and the various intelligent terminals such as multimedia player, computing machine.
3. safe SD card as claimed in claim 1, it is characterized in that, safe SD card can adopt but be not limited to the multiple packing forms such as Standard SD, Mini SD, Micro SD, is installed on mobile phone, panel computer, digital camera, Digital Video, personal digital assistant (PDA) and the various intelligent terminals such as multimedia player, computing machine.4. one kind is utilized safe SD card claimed in claim 1 to realize the control method that the intelligent terminal safe storage is used, and it is characterized in that described method comprises the steps:
(1) safe SD card is installed to mobile phone, panel computer, digital camera, Digital Video, personal digital assistant PDA and the various intelligent terminals such as multimedia player, computing machine;
(2) safe SD card communicates from intelligent terminal acquisition power supply and with intelligent terminal;
(3) after safe SD card obtains power supply from intelligent terminal, the open partition holding of controller opens, the closed safe partition holding, this moment, the intelligent terminal file system only showed the user data of open partition holding, to the reading and writing data of safe SD card directed open partition holding all;
(4) user moves special-purpose control software, and special-purpose control software carries out authentication to the user.The user who only has authentication to pass through just allows it to use special-purpose control software to send " switching to the safe storage subregion " and " switching to open partition holding " instruction to safe SD card;
(5) after safe SD is stuck in and receives " switching to the safe storage subregion " instruction that special-purpose control software sends, controller cuts out open partition holding, open the safe storage subregion, this moment, intelligent terminal was to the reading and writing data of safe SD card directed safe storage subregion all;
(6) after safe SD is stuck in and receives " switching to open partition holding " instruction that special-purpose control software sends, controller closed safe partition holding, open open partition holding, this moment, intelligent terminal was to the reading and writing data of safe SD card directed open partition holding all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105684446A CN103034819A (en) | 2012-12-14 | 2012-12-14 | SD (Secure Digital) card capable of switching storage partitions and control method of SD card |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105684446A CN103034819A (en) | 2012-12-14 | 2012-12-14 | SD (Secure Digital) card capable of switching storage partitions and control method of SD card |
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| CN103034819A true CN103034819A (en) | 2013-04-10 |
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| CN2012105684446A Pending CN103034819A (en) | 2012-12-14 | 2012-12-14 | SD (Secure Digital) card capable of switching storage partitions and control method of SD card |
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| CN103413102A (en) * | 2013-08-30 | 2013-11-27 | 深圳市中兴移动通信有限公司 | Secret data management device and secret data management method as well as mobile terminal |
| CN104077546A (en) * | 2014-06-19 | 2014-10-01 | 深圳市硅格半导体有限公司 | SD (Secure Digital) card multi-partition switch based method and system |
| WO2015196444A1 (en) * | 2014-06-27 | 2015-12-30 | Microsoft Technology Licensing, Llc | Fast data protection using dual file systems |
| US10372937B2 (en) | 2014-06-27 | 2019-08-06 | Microsoft Technology Licensing, Llc | Data protection based on user input during device boot-up, user login, and device shut-down states |
| US10423766B2 (en) | 2014-06-27 | 2019-09-24 | Microsoft Technology Licensing, Llc | Data protection system based on user input patterns on device |
| US10474849B2 (en) | 2014-06-27 | 2019-11-12 | Microsoft Technology Licensing, Llc | System for data protection in power off mode |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103413102A (en) * | 2013-08-30 | 2013-11-27 | 深圳市中兴移动通信有限公司 | Secret data management device and secret data management method as well as mobile terminal |
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| US10372937B2 (en) | 2014-06-27 | 2019-08-06 | Microsoft Technology Licensing, Llc | Data protection based on user input during device boot-up, user login, and device shut-down states |
| US10423766B2 (en) | 2014-06-27 | 2019-09-24 | Microsoft Technology Licensing, Llc | Data protection system based on user input patterns on device |
| US10474849B2 (en) | 2014-06-27 | 2019-11-12 | Microsoft Technology Licensing, Llc | System for data protection in power off mode |
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Application publication date: 20130410 |