CN103198032A - SD (secure digital) card containing hidden partition and control method - Google Patents
SD (secure digital) card containing hidden partition and control method Download PDFInfo
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- CN103198032A CN103198032A CN2013100687315A CN201310068731A CN103198032A CN 103198032 A CN103198032 A CN 103198032A CN 2013100687315 A CN2013100687315 A CN 2013100687315A CN 201310068731 A CN201310068731 A CN 201310068731A CN 103198032 A CN103198032 A CN 103198032A
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Abstract
The invention discloses a SD (secure digital) card containing a hidden partition and a control method. The SD card logically comprises a controller and a user data storage area, wherein the user data storage area comprises an open storage partition and a hidden partition. When the SD card is mounted on an intelligent terminal and powered on by a power supply, the controller opens the open storage partition and maintains the open storage partition at an open state, and the hidden partition is at a closed state, is invisible and can not execute the read-write operation. When receiving a control command of 'opening the hidden partition' or 'closing the hidden partition' sent by dedicated control software, the controller opens or closes the hidden partition. Only when the hidden partition is opened, can the intelligent terminal execute the read-write operation on the hidden partition. The dedicated control software executes identity authentication to a user, only when the authentication is passed, can the dedicated control software send a control command. The SD card containing a hidden partition and the control method can be extensively applied to various intelligent terminals to perform secure storage and use on to-be-protected files and greatly improve security of various mobile applications.
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 that comprises hidden partition.
Background technology
The SD card is a kind of portable memory card.The SD card has multiple packing forms such as Standard SD, Mini SD, Micro SD.Because the SD card size is little, memory capacity is big, obtained using widely at mobile phone, panel computer, digital camera, Digital Video, personal digital assistant PDA and various intelligent terminals such as multimedia player, computing machine, but common SD card used in everyday is easy to generate some information security hidden danger, and wherein modal is exactly that intelligent terminal is lost, the SD card is lost the sensitive document that causes problem out of control.
Be example with the mobile phone, 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 threat widely to the use of intelligent terminal, therefore proposes a kind of safe SD card that can address the above problem targetedly, has positive social effect.
Summary of the invention
The potential safety hazard that can arbitrarily be browsed and copy, can't protect the secret file at the file of storing in the common SD card; the invention discloses a kind of safe SD card and control method that comprises hidden partition; can carry out safeguard protection to the sensitive document of storing on the safe SD card; make the partition holding at sensitive document place invisible, can not arbitrarily be visited.
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 hidden partition.The special-purpose control of installation and operation software on intelligent terminals such as mobile phone, panel computer, computing machine can stick into row control to safe SD.
Special-purpose control software carries out authentication to the user of intelligent terminal, after authentication is passed through, just allows the user to pass through special-purpose control software and sends instruction to safe SD card, and safe SD is sticked into row control.The user sends " opening hidden partition " and " closing hidden partition " instruction by special-purpose control software to safe SD card, opens and closes hidden partition, thereby safe SD is sticked into row control.
When safe SD card is installed in mobile phone, panel computer, digital camera, Digital Video, personal digital assistant PDA and multimedia player, behind the intelligent terminals such as computing machine, safe SD card obtains power supply from intelligent terminal, the open partition holding of controller opens also makes it stay open state, make hidden partition be in closed condition simultaneously, to the intelligent terminal file system as seen have only open partition holding this moment, intelligent terminal can only directed open partition holding to the reading and writing data of safe SD card, and hidden partition is invisible and can not carry out read-write operation to the intelligent terminal file system; After safe SD is stuck in the instruction of " the opening hidden partition " of receiving that special-purpose control software sends, controller is when keeping open partition holding open mode, open hidden partition, partition holding and hidden partition are disclosed this moment all to the intelligent terminal file system as seen, intelligent terminal both can directed open partition holding to the reading and writing data of safe SD card, also can directed hidden partition; After safe SD is stuck in the instruction of " the closing hidden partition " of receiving that special-purpose control software sends, controller is when keeping open partition holding open mode, close hidden partition, to the intelligent terminal file system as seen have only open partition holding this moment, intelligent terminal can only directed open partition holding to the reading and writing data of safe SD card, and hidden partition is invisible and can not carry out read-write operation to the intelligent terminal file system.
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; need the file of protection to store the hidden partition of safe SD card into oneself thinking, 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 hidden partition, deposits ordinary file in open partition holding.Like this, under general state, have only open partition holding as seen, hidden partition is hidden.Even intelligent terminals such as mobile phone or SD card are lost, because the hidden partition 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 hidden partition can not visited, browse, copy, abuse by the person of picking up, thereby when fully keeping property easy to use, promoted the data security of mobile intelligent terminals such as mobile phone greatly.
Description of drawings
Fig. 1 represents the schematic diagram of the safe SD card of embodiment.
Fig. 2 represents the safe SD card installation of embodiment on computers, the demonstration figure when hidden partition is in closed condition.
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 on the computing machine, the demonstration figure when hidden partition is opened.
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 hidden partition.The user sticks into row control by the special-purpose control of installation and operation in mobile phone, panel computer, digital camera, Digital Video, personal digital assistant PDA and various intelligent terminals such as multimedia player, computing machine software to safe SD.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.This moment, hidden partition was in closed condition, and is invisible and can not carry out read-write operation.Fig. 2 is after safe SD card of the present invention inserts computing machine, and the drive of the open partition holding of safe SD card that computer file system is shown shows figure.
Carry out the special-purpose control of safe SD card software on computers, 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 use hidden partition, then click " opening hidden partition " button in the special-purpose control software master interface, after safe SD card controller is received this instruction, when keeping open partition holding open mode, open hidden partition, at this moment in the computer file system, except the drive of the open partition holding of original safe SD card, increase a mobile storage drive, its content is the file in the safe SD card hidden partition, namely this moment, safe SD card was shown as two drives in computer file system, and content is respectively file and the interior file of hidden partition in the open partition holding.The user can copy sensitive documents such as secret photo in the hidden partition in the open partition holding of normal use this moment, is kept at the alternative document in the hidden partition before also can browsing and open.Drive demonstration figure when Fig. 5 is opened for safe SD card hidden partition.
If the user no longer needs to use hidden partition, then click " closing hidden partition " button in the special-purpose control software master interface, after safe SD card controller is received this instruction, when keeping open partition holding open mode, close hidden partition, safe SD card only shows a drive in the computer file system at this moment, and its content is the file in the open partition holding.The hidden partition that comprise sensitive document such as secret photo this moment is fully closed, and is invisible and can not carry out read-write operation, and intelligent terminal can only directed open partition holding to the read-write of safe SD card.Drive demonstration figure when Fig. 2 is closed for safe SD card hidden partition.
Claims (4)
1. safe SD card that comprises hidden partition, 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 hidden partition, the controller partition holding that exposes stays open state, and hidden partition can or be closed by controller opens.
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 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 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 the described safe SD card of 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 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, and the partition holding that exposes stays open state always, hidden partition is in closed condition, this moment, the intelligent terminal file system only showed open partition holding, can only directed open partition holding to the reading and writing data of safe SD card, hidden partition is invisible and can not carry out read-write operation to the intelligent terminal file system;
(4) user moves special-purpose control software, and special-purpose control software carries out authentication to the user, and the user who has only authentication to pass through just allows it to use special-purpose control software to send " opening hidden partition " and " closing hidden partition " instruction to safe SD card;
(5) after safe SD is stuck in and receives " opening hidden partition " instruction that special-purpose control software sends, the controller opens hidden partition, partition holding and hidden partition are disclosed this moment all to the intelligent terminal file system as seen, intelligent terminal both can point to open partition holding to the reading and writing data of safe SD card, also can point to hidden partition;
(6) after safe SD is stuck in and receives " closing hidden partition " instruction that special-purpose control software sends, controller cuts out hidden partition, to the intelligent terminal file system as seen have only open partition holding this moment, hidden partition is invisible and can not carry out read-write operation to the intelligent terminal file system, can only directed open partition holding to the reading and writing data of safe SD card.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100687315A CN103198032A (en) | 2013-03-05 | 2013-03-05 | SD (secure digital) card containing hidden partition and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100687315A CN103198032A (en) | 2013-03-05 | 2013-03-05 | SD (secure digital) card containing hidden partition and control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103617005A (en) * | 2013-11-28 | 2014-03-05 | 中国联合网络通信集团有限公司 | Access method, device and system for intelligent card |
| CN104462898A (en) * | 2014-11-27 | 2015-03-25 | 中国华戎控股有限公司 | Object file protecting method and device based on Android system |
| CN107526978A (en) * | 2017-08-23 | 2017-12-29 | 深圳市朗科科技股份有限公司 | A kind of method and flash disk of data anti-copying shellfish |
| US10037286B2 (en) | 2014-08-26 | 2018-07-31 | Red Hat, Inc. | Private partition with hardware unlocking |
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| CN1818888A (en) * | 2004-09-28 | 2006-08-16 | 微软公司 | Secure access to a device connected to a universal serial bus (USB) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103617005A (en) * | 2013-11-28 | 2014-03-05 | 中国联合网络通信集团有限公司 | Access method, device and system for intelligent card |
| US10037286B2 (en) | 2014-08-26 | 2018-07-31 | Red Hat, Inc. | Private partition with hardware unlocking |
| CN104462898A (en) * | 2014-11-27 | 2015-03-25 | 中国华戎控股有限公司 | Object file protecting method and device based on Android system |
| CN104462898B (en) * | 2014-11-27 | 2018-01-16 | 中国华戎控股有限公司 | File destination guard method and device based on android system |
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Application publication date: 20130710 |