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Antivirus USB fast-flashing memory

A memory and USB interface technology, which is applied in the direction of preventing unauthorized use of memory, instruments, and electronic digital data processing, etc., can solve the problem of unprotected file read and write operations, and achieve the effect of preventing the spread of viruses and preventing infection

Inactive Publication Date: 2007-11-21
NANJING UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the disadvantages that the existing USB flash memory does not take precautions against file read and write operations, and is very easy to become a computer virus transmission tool, the present invention provides an anti-virus USB flash memory

Method used

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  • Antivirus USB fast-flashing memory
  • Antivirus USB fast-flashing memory

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Embodiment Construction

[0010] An antivirus USB flash memory according to the present invention includes a USB interface 1, a control chip 2, and a Flash storage chip 3. FIG. 1 is a schematic diagram of the system structure of the present invention, wherein a control chip 2 is connected to a USB interface 1 and a Flash memory chip 3 respectively. The control chip 2 is connected to the external host through the USB interface 1, and communicates with it through the USB protocol, and transmits control commands and data; the control chip 2 is responsible for writing or reading relevant data into or out of the Flash memory chip.

[0011] The present invention requires an external host to install a corresponding driver to support the realization of the antivirus function. The general execution process is as follows: the driver displays the list of files to be transferred by popping up a dialog box, and submits it to the user for final confirmation. The confirmed file list is sent to the control chip of th...

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PUM

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Abstract

A USB flash storage of antivirus type consists of USB interface, control chip and flash storage chip. It is featured as spring out conversation frame with file name list by driving program when file-transmission requirement is submitted by system at each time, confirming whether file is to be transmitted or not by user and sending confirmed listing to U disc control chip, afterwards only receiving file-transmission command in said listing by said U disc for preventing unknown file from being written into said U disc.

Description

1. Technical field [0001] The invention relates to a USB flash memory capable of preventing computer virus infection, specifically a kind of USB flash memory hardware structure and software driver which can send warnings to users in advance in the case of suspicious file writing by improving the existing USB flash memory , so as to effectively prevent the USB flash memory from spreading computer viruses. 2. Background technology [0002] Computer viruses have become a major public hazard that plagues modern society. The direct losses caused by computer viruses are as high as tens of billions of dollars every year in the world. How to prevent computer viruses has become a problem that every industry and all kinds of people who use computers must face all the time. A very noteworthy phenomenon is that in recent years, mobile storage devices such as USB flash memory (also known as U disk) have gradually become one of the most important ways of virus transmission next to the n...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/00G06F12/14G06F21/79
Inventor 袁杰朱翔都思丹丁文昊
Owner NANJING UNIV
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