CN102012874B - USB (universal serial bus) storage device provided with resource manager - Google Patents
USB (universal serial bus) storage device provided with resource manager Download PDFInfo
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- CN102012874B CN102012874B CN 201010556827 CN201010556827A CN102012874B CN 102012874 B CN102012874 B CN 102012874B CN 201010556827 CN201010556827 CN 201010556827 CN 201010556827 A CN201010556827 A CN 201010556827A CN 102012874 B CN102012874 B CN 102012874B
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Abstract
The invention relates to a USB (universal serial bus) storage device provided with a resource manager, mainly solving the safety problem of files stored in the USB storage device, comprising a USB interface module, a storage control module and a Flash storage, wherein the Flash storage comprises a replacement storage area used for managing the USB storage and an encryption storage area used for storing files of a user. The replacement storage area manages the USB storage device by management tool software. The management tool software provided by the invention has a resource management function, the data exchange between the storage device and a computer can be completed only by the management tool software, and the resource manager in a computer operating system is forbidden to access the files therein, thus computer virus or Trojan horse can not access the stored file therein, the storage device also has a management function and a file encryption/decryption function, and further the use security of the storage device is improved.
Description
Technical field
The present invention relates to a kind of memory device, particularly a kind of USB memory device that has explorer.
Background technology
The USB memory device has that volume is little, capacity is big, transmission speed is fast, plug and play, advantage such as be easy to carry, its appearance and popularize and greatly facilitate people's exchange, storage data.The USB memory device is that people's work is provided convenience, but has brought great hidden danger also for user's data security, and computer virus or trojan horse program can be stolen the file of user storage in the USB memory device through the USB memory device.Prior art can be carried out authentication to the user, must input right user name and password when using the USB memory device, but this method can only prevent that other people from illegally using.After user's login; By computer Recognition is the memory device that can read; File wherein is exposed in the explorer of operating system fully, and computer virus or trojan horse program just can be visited the USB memory device, steals the file in the USB memory device easily.How to guarantee the safe in utilization of USB memory device, become the focal issue of information security gradually through effective means.
Summary of the invention
In order to overcome the defective that above-mentioned prior art exists; The object of the present invention is to provide a kind of USB memory device that has explorer; This memory device does not allow the explorer visit file wherein of computer operating system; Prevent the file of computer virus or trojan horse program visit USB memory device, further improved the security that memory device uses.
For addressing the above problem; The present invention adopts following technical scheme: this has the USB memory device of explorer; Comprise usb interface module, storage control module and Flash storer, said usb interface module connects storage control module, and said storage control module is connected with the Flash storer; It is characterized in that; Said Flash storer comprises replacement memory block and encryption memory block, and said replacement memory block is used to manage this USB memory device, and said encryption memory block is used to store user's file.
This USB memory device is managed through the management tool software with login management function, explorer function and file encryption/decryption function in said replacement memory block.
Said replacement memory block is read-only memory block.
Said Flash storer is a NAND Flash storer.
The concrete course of work: after this USB memory device is connected to computing machine through USB interface; Be identified as mass storage class equipment by computer system, take drive of computing machine, this moment, the content of this drive indication was the replacement memory block of this USB memory device; The replacement memory block is read-only memory block; The storage and managenent tool software, the user can only see the management tool software in the replacement memory block, this management tool software is written into the replacement memory block when USB safety storage apparatus volume production.Like this, the encryption memory block that is used to store user file is sightless, that is to say that computing machine can't the access encrypted memory block.
The user needs manual operational management tool software, at first ejects login interface, requires the user to import usemame/password, and the user also can change password at this interface.Through after the authentication; The content of the drive indication that the replacement memory block takies is replaced by the content of encrypting the memory block; Management tool software is at first retrieved and is encrypted all files in memory block, if encrypt the file that there is called after AutoRun in the memory block, then ejects the prompt window that computer virus or trojan horse program are arranged in the memory device; And automatically with its deletion; Then, management tool ejects the explorer interface, and the content of encrypting memory block and computing machine local disk can be seen in this interface; But the explorer of computer operating system can't the access encrypted memory block content, so just prevented effectively that computer virus or trojan horse program from stealing or destroying files stored in this USB memory device.The user can only accomplish the exchange files of encrypting memory block and computing machine local disk through this interface.The explorer of management tool carries out encryption, write storage device then with source file earlier when the USB safety storage apparatus writes file; When the USB safety storage apparatus reads file, file is being carried out decryption processing.
If management tool software is closed, this USB memory device will cut out and encrypt the memory block and switch to the replacement memory block, require the user to login again.
The invention has the beneficial effects as follows: the management tool software of this memory device has resource management function; Has only the exchanges data that to accomplish memory device and computing machine through the explorer that carries; The explorer visit storage file wherein of forbidding computer operating system; Computer virus or trojan horse program can't be visited storage file wherein like this, and this memory device also has login management function and file encryption/decryption function, have further improved the security that memory device uses.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is described further:
Fig. 1 is a theory structure synoptic diagram of the present invention;
Fig. 2 is the structured flowchart of storer shown in Figure 1;
Fig. 3 is a management tool Software Operation schematic flow sheet of the present invention.
Embodiment
USB memory device as shown in Figure 1, that this has explorer comprises usb interface module 11, storage control module 12 and Flash storer 13.Said usb interface module 11 connects storage control module 12, and said storage control module 12 is connected with Flash storer 13.As shown in Figure 2, Flash storer 13 comprises the encryption memory block 132 of the replacement memory block 131 that is used to manage this USB memory device and the file that is used to store the user.Write management tool software in replacement memory block 131 during this USB safety storage apparatus volume production; This management tool software has login management function, explorer function and file encryption/decryption function, and this USB memory device is managed through this management tool software in replacement memory block 131.
Fig. 3 is a management tool Software Operation schematic flow sheet of the present invention.As shown in Figure 3, in step 301, the operation beginning.In step 302, login interface requires the user to import usemame/password.In step 303, authentication if the user through authentication, then operates and gets into step 304, otherwise turn back in step 302, is re-entered usemame/password.In step 304, open and encrypt the memory block, operate encrypting the memory block.In step 305; Killing virus and trojan horse program, the management tool software retrieval is encrypted all files in the memory block, if retrieve the file of called after AutoRun; Then eject the prompt window that computer virus or trojan horse program are arranged in the memory device, and automatically with its deletion.In step 306, get into the explorer interface of this USB memory device, read-write operation can be carried out to the content of encrypting memory block and computing machine local disk in this interface, and the content that the explorer of computer operating system can't the access encrypted memory block.In step 107, judge that the user carries out the file operation type through the explorer of management tool, if, then get into step 108 for writing file operation; If, then get into step 109 for reading file operation.In step 108, the file that subtend USB safety storage apparatus writes carries out encryption earlier, then the encryption memory block of write storage device.In step 109, when the USB safety storage apparatus reads file, earlier file is carried out decryption processing.
When using this memory device, if management tool software is closed, this USB memory device will cut out and encrypt the memory block and switch to the replacement memory block, require the user to login again.
The management tool software of this memory device has resource management function; Has only the exchanges data that to accomplish memory device and computing machine through the explorer that carries; The explorer visit storage file wherein of forbidding computer operating system; Computer virus or trojan horse program can't be visited storage file wherein like this, and this memory device also has login management function and file encryption/decryption function, have further improved the security that memory device uses.
Claims (3)
1. the USB memory device that has explorer; Comprise usb interface module, storage control module and Flash storer, said usb interface module connects storage control module, and said storage control module is connected with the Flash storer; It is characterized in that; Said Flash storer comprises replacement memory block and encryption memory block, and said replacement memory block is used to manage this USB memory device, and said encryption memory block is used to store user's file; This USB memory device is managed through the management tool software with login management function, explorer function and file encryption/decryption function in said replacement memory block;
After said USB memory device is connected to computing machine through USB interface; User's operational management tool software; Eject log-in interface; Eject the explorer interface through management tool after the authentication, the user can only accomplish the exchange files of encrypting memory block and computing machine local disk through this interface; The explorer of management tool carries out encryption, write storage device then with source file earlier when the USB safety storage apparatus writes file; When the USB safety storage apparatus reads file, again file is carried out decryption processing.
2. the USB memory device that has explorer according to claim 1 is characterized in that said replacement memory block is read-only memory block.
3. the USB memory device that has explorer according to claim 1 and 2 is characterized in that, said Flash storer is a NAND Flash storer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010556827 CN102012874B (en) | 2010-11-24 | 2010-11-24 | USB (universal serial bus) storage device provided with resource manager |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010556827 CN102012874B (en) | 2010-11-24 | 2010-11-24 | USB (universal serial bus) storage device provided with resource manager |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102012874A CN102012874A (en) | 2011-04-13 |
| CN102012874B true CN102012874B (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010556827 Active CN102012874B (en) | 2010-11-24 | 2010-11-24 | USB (universal serial bus) storage device provided with resource manager |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955746A (en) * | 2011-08-18 | 2013-03-06 | 北京爱国者信息技术有限公司 | Read-only mode mobile storage device and data access method thereof |
| CN102955745A (en) * | 2011-08-18 | 2013-03-06 | 北京爱国者信息技术有限公司 | Mobile storage terminal and data management method thereof |
| CN104090853A (en) * | 2014-07-03 | 2014-10-08 | 武汉迅存科技有限公司 | Solid-state disc encryption method and system |
| CN106934306A (en) * | 2016-10-10 | 2017-07-07 | 常州市善松信息科技有限公司 | USB storage devices based on hardware encryption |
| CN106951798A (en) * | 2016-10-10 | 2017-07-14 | 常州市善松信息科技有限公司 | A kind of USB storage devices with explorer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075280A (en) * | 2007-06-26 | 2007-11-21 | 南京大学 | Antivirus USB fast-flashing memory |
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2010
- 2010-11-24 CN CN 201010556827 patent/CN102012874B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101075280A (en) * | 2007-06-26 | 2007-11-21 | 南京大学 | Antivirus USB fast-flashing memory |
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| CN102012874A (en) | 2011-04-13 |
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Address after: 250101 No. 1665, Hualong Road, Licheng District, Shandong, Ji'nan Applicant after: State Nuclear Power Information Technology Company Ltd. Address before: 250101 No. 1665, Hualong Road, Licheng District, Shandong, Ji'nan Applicant before: Shandong Luneng Huitong Technology Co., Ltd. |
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