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Method and system for safely managing files based on pre-installation environment (PE) system

A system security and document technology, applied in the computer field, can solve problems such as the inability to guarantee the security of external confidential files, and achieve the effect of solving security problems, ensuring security, and making up for loopholes

Inactive Publication Date: 2013-02-06
WUXI CINSEC INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a method and system for securely managing documents based on the PE system, which is used to solve the problem in the prior art that the security of external confidential documents cannot be guaranteed

Method used

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  • Method and system for safely managing files based on pre-installation environment (PE) system
  • Method and system for safely managing files based on pre-installation environment (PE) system

Examples

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Embodiment 1

[0033] This embodiment provides a PE system-based security management document system, such as figure 1 As shown, the system 1 based on the security management document of the PE system includes: a PE system 11, an encryption client 12, and an external interface 13; the PE (Preinstallation Environment) system 11 serves as the system 1 based on the security management document of the PE system operating environment: the encryption client 12 is embedded in the PE operating system 11 and is used to open encrypted files; the external interface 13 is used to communicate with the server 2 outside the hard disk 1 .

[0034] Further, the encryption client 12 is embedded into the PE system 11 through a driver. The encryption client 12 opens the encrypted file through the matching key file. The external interface 13 includes a USB interface.

[0035] The PE system-based security management file system described in the present invention is a practical, effective, and flexible file mana...

Embodiment 2

[0037] This embodiment provides a method for securely managing documents based on the PE system, such as figure 2 As shown, the method based on the PE system security management document includes:

[0038] Step 1, build a PE system.

[0039] Step 2, embedding the encryption client in the PE system; specifically, storing an encryption client program and its driver in the PE system; driving the encryption client program into the PE system through the driver.

[0040] Step 3, start the PE system offline, start the encryption client through the PE system, and open the encrypted file through the encryption client. Specifically, the process for the encryption client to open the encrypted file is: judge whether the key in the key file matches the key used in the encrypted file; if they match, then use the key to open the encrypted file; otherwise, the encrypted file cannot be opened .

[0041] Further, the PE system can be built in a separate hard disk, which can be a mobile hard...

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Abstract

The invention provides a method and a system for safely managing files based on a pre-installation environment (PE) system. The method for safely managing files based on the PE system comprises the following steps: step one, structuring a PE system; step two, embedding an encrypted client in the PE system; step three, off-line starting the PE system, starting the encrypted client through the PE system, and opening the encrypted document through the encrypted client. By adopting the method and the system, the restriction of a traditional document safety management system is broken through, the client and a server are separated; the encrypted client still can safely and effectively open the encrypted document under the condition of breaking away from the server; the safety problem of the document under the condition of isolating from the encrypted environment is effectively solved; the external safety of the document under the encrypted environment is guaranteed, and bugs of the existing encrypting system are recovered.

Description

technical field [0001] The invention belongs to the technical field of computers, and relates to a method for safely managing files, in particular to a method and system for safely managing files based on a PE system. Background technique [0002] With the popularization of computer applications, the development of the Internet and mobile storage devices, paper documents are gradually transformed into electronic documents. Due to the advantages of small size, convenient viewing, energy saving, environmental protection and no pollution, electronic files have been developed for a long time and used more and more widely. But at the same time, the characteristics of easy modification and dissemination of electronic files also seriously affect the security of electronic file storage and communication. How to effectively realize the unified and safe storage, centralized management and use of important documents within enterprises and institutions has become a severe challenge for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06G06F21/60
Inventor 耿振民安锡文
Owner WUXI CINSEC INFORMATION TECH
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