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Method and system for protecting mobile storage device

A mobile storage device, filter-driven technology, applied in the field of information security, can solve the problems of malicious program theft, slow speed, insecurity, etc., to achieve the effect of ensuring security, convenient use, and preventing illegal theft

Inactive Publication Date: 2017-05-31
FUJIAN CENTM INFORMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing protection measures for mobile storage devices have the following defects: 1. The secret key has no protection function and is directly exposed to the outside, so it is easy to be stolen by malicious programs; 2. The encryption and decryption process of mobile storage device data is also exposed in External, it is not safe to use; 3. Use software algorithms to encrypt a large amount of data in mobile storage devices, which is slow and takes a lot of time

Method used

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  • Method and system for protecting mobile storage device
  • Method and system for protecting mobile storage device
  • Method and system for protecting mobile storage device

Examples

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Embodiment Construction

[0035] Please refer to figure 1 with figure 2 Shown, a kind of method for realizing the protection of mobile storage device, described method comprises the following steps:

[0036] Step 1. Generate the key and certificate through the trusted platform module (TPM) of the computer, and write the certificate to the independent partition of the mobile storage device (such as a USB flash drive). The device performs identity authentication and stores the key in the trusted platform module, which can make the key protected by the trusted platform module and ensure the security of the key;

[0037] Step 2. Insert the mobile storage device into the computer to mount it, obtain the certificate from the mobile storage device and send it to the trusted platform module for identity authentication;

[0038] The step 2 is specifically:

[0039] Insert the mobile storage device into the computer for mounting, the mobile storage device filter driver obtains the certificate from the indepe...

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Abstract

The invention provides a method for protecting a mobile storage device. The method includes the steps that a key and a certificate are generated through a credible platform module of a computer, the certificate is written into a separate partition of the mobile storage device, and the key is stored into the credible platform module; the mobile storage device is inserted into the computer for mounting, and the certificate is obtained from the mobile storage device and sent to the credible platform module for identity authentication; read-write operation data in the mobile storage device is sent to the credible platform module for encryption and decryption first, and then read-write operation on the mobile storage device is carried out. The invention further provides a system corresponding to the method. The method has the advantages that the access of an illegal mobile storage device can be effectively intercepted; the key for encryption and decryption of the mobile storage device is protected by the credible platform module, the safety of the key can be ensured, and the key can be prevented from being illegally stolen.

Description

technical field [0001] The invention relates to the technical field of information security, in particular to a method and system for realizing protection of mobile storage devices. Background technique [0002] With the rapid development of computer information and storage technology, mobile storage devices have become an important storage device in people's daily life. Transferring files by storing them in a mobile storage device can make the transfer of files very convenient and fast; but at the same time, it is also easy to cause data security problems, because usually mobile storage devices do not have encryption and identity authentication functions, mobile storage Data inside the device can be easily stolen. [0003] The protection measures for the mobile storage device in the prior art mainly include: performing soft encryption on the data of the mobile storage device by using a secret key, or performing identity authentication on the mobile storage device by using ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/62G06F21/78
CPCG06F21/6209G06F21/78G06F2221/2107
Inventor 孙鹏飞郑荣张书健
Owner FUJIAN CENTM INFORMATION
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