Method and system for storing enciphered data

A technology for encrypting data and data, applied in the direction of transmission systems, electrical components, etc., can solve the problems of inability to prevent illegal reading or modification of data in the reserved area, lack of encryption and division methods, etc., and achieve the effect of data security

Inactive Publication Date: 2013-08-21
SUZHOU CODYY NETWORK SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, people will store files in pre-divided reserved areas. This method improves the security of file storage to a certain extent, but due to the lack of reasonable encryption and division methods when storing files, it still cannot prevent file storage. The data in the area is illegally read or modified

Method used

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  • Method and system for storing enciphered data
  • Method and system for storing enciphered data
  • Method and system for storing enciphered data

Examples

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Embodiment Construction

[0016] figure 1 Shown is a flow chart of the method for encrypting data storage provided according to the first preferred embodiment of the present invention. figure 2 Shown is a schematic diagram of the encrypted data storage system provided according to the first preferred embodiment of the present invention. Please also refer to figure 1 and figure 2 . like figure 1 As shown, the encrypted data storage method provided by the first preferred embodiment of the present invention includes steps 101-104.

[0017] Step 101: The client generates an encrypted file from the file to be stored according to the first policy, and sends the encrypted file to the policy control server.

[0018] Specifically, according to the first strategy, the client generates an encrypted file from the file to be stored as follows: the client divides the file to be stored into blocks through a block algorithm according to the preset number of blocks, and then combines them; Add a check code (def...

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Abstract

The invention provides a method and system for storing enciphered data. The method for storing the enciphered data comprises the steps that according to a first strategy, a file to be stored is generated to be an encrypted file by a client side, and the encrypted file is sent to a strategy control server. The strategy control server acquires the size of remaining storing space of memorizer and the number of clusters. If the size of the remaining storing space of the memorizer is larger than or equal to the size of the encrypted file, the strategy control server acquires a file distribution table according to a second strategy. The strategy control server stores the encrypted file in clusters of remaining storing space of the memorizer according to the file distribution table and the encrypted file.

Description

technical field [0001] The invention belongs to the field of instant communication, in particular to a method and system for encrypting data storage. Background technique [0002] With the continuous progress of the networked society, more and more instant messaging tools are applied to work and life, such as Fetion, MSN and some enterprise application software. In practical applications, the security of file storage plays a vital role in the use of video conferencing. In the prior art, people will store files in pre-divided reserved areas. This method improves the security of file storage to a certain extent, but due to the lack of reasonable encryption and division methods when storing files, it still cannot prevent file storage. The data in the area is illegally read or modified. Contents of the invention [0003] The present invention provides a method and system for encrypting data storage to solve the above problems. [0004] The invention provides a method for en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 胡加明刘晓东
Owner SUZHOU CODYY NETWORK SCI & TECH
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