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Method for protecting cipher of USB interface

A USB interface, password protection technology, used in the protection of internal/peripheral computer components, instruments, digital data authentication, etc., can solve the problems of user inconvenience and immaturity, and achieve the effect of convenient use

Active Publication Date: 2009-09-16
宏电脑上海
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The USB storage device one-way control technology controls the storage medium connected to the computer to prevent information from being leaked from the mobile storage device intentionally or unintentionally. Using this method, the user can set the usage authority of the storage device according to the need, but it needs to be set in advance. It is inconvenient for the user to insert the USB storage device into the computer, and this method is immature and has certain defects

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  • Method for protecting cipher of USB interface

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0018] In order to realize the method for carrying out password protection to the USB interface, one layer of USB filter driver is set in the operating system, and a protection password is set for the USB interface, the following steps can be taken:

[0019] 1) judge whether the device connected to the USB interface is a storage device through the USB filter driver;

[0020] 2) When the access device is a storage device, the user is required to enter a password. If it matches the set protection password, the operating system loads the device driver for the user to use; otherwise, the device driver is not loaded; the access device is a non-storage device, Then the operating system directly loads the device driver for use by the user.

[0021] To realize the above-mentioned steps, the specific implementation process is: first install the USB inte...

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Abstract

The invention discloses a method for protecting a cipher of a USB interface, which is to set a layer of USB filtration drive in an operation system, and set a protection cipher for the USB interface. The method comprises the following steps that: 1) the USB filter drive is used to determine that whether equipment accessing to the USB interface is storage equipment or not; 2) when the accessing equipment is the storage equipment, a user is required to input a cipher, if the cipher is matched with the set protection cipher, the operation system loads drive of the equipment for the user, if not, the drive of the equipment is not loaded; if the accessing equipment is non-storage equipment, the operation system directly loads the drive of the equipment for the user. Type of the USB equipment can be identified by the method, so that the storage type USB equipment can be used through the cipher, the user can conveniently use the storage type equipment without worrying about leakage of classified document in a computer.

Description

technical field [0001] The invention belongs to the field of computer applications, and in particular relates to a password-protected method for a USB interface. Background technique [0002] With the popularity of computers, more and more important information is stored in computers. Many people's personal privacy, company's business secrets, and important government documents are all stored in the computer. Once this information is illegally copied out of the computer, it will cause huge losses to the legal owner of the information. The USB storage device (including U disk, mobile hard disk, USB recording device, etc.) can provide convenience for the majority of users to transmit information, but it is also the main way for information leakage. [0003] Traditional computers cannot identify USB devices, and cannot judge the type of USB devices. If disabled, all USB devices will be unavailable (including non-storage devices such as USB keyboards and mice). And if the use...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/04G06F13/10G06F21/31G06F21/85
Inventor 魏勇邢雅楠刘云志李峰白向春
Owner 宏电脑上海
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