Safe data storage method

A data security storage and database technology, applied in the field of cloud data security storage, can solve the problems of high cost of key maintenance and reduce data management, etc., to improve key security, reduce complexity, and save computing and communication costs Effect

Inactive Publication Date: 2015-07-29
GUANGXI POWER GRID CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the key index tree in the existing scheme that supports dynamic policies effectively reduces the cost of part of the authority update, the user's key maintenance cost is still high,

Method used

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Embodiment Construction

[0028] The following and accompanying appendices illustrating the principles of the invention Figure 1 A detailed description of one or more embodiments of the invention is provided together. The invention is described in connection with such embodiments, but the invention is not limited to any embodiment. The scope of the invention is limited only by the claims and the invention encompasses numerous alternatives, modifications and equivalents. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. These details are provided for the purpose of example and the invention may be practiced according to the claims without some or all of these specific details.

[0029] One aspect of the present invention provides a data security storage method. figure 1is a flow chart of a data security storage method according to an embodiment of the present invention. For the reliability of the server, the ...

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PUM

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Abstract

The invention provides a safe data storage method. The safe data storage method comprises the following steps of respectively classifying resources and users into a resource group and characters in a secret key index tree, protecting a node key and a file encryption key through a key calculation mechanism, transferring an once more encryption task from a data base terminal to a server to be executed and enabling the data base terminal to maintain a new generated key task. The safe data storage method further reduces cloud storage safety performance costs effectively, reduces the maintenance quantity of the data base terminal and establishes an effectively key and a data updating strategy.

Description

technical field [0001] The invention relates to cloud security, in particular to a method for safely storing cloud data. Background technique [0002] As an emerging service form, cloud storage has become the storage choice of many organizations due to its flexible configuration, on-demand purchase, and easy maintenance. However, in the cloud storage mode, data is out of the user's control, which causes users to worry about server reliability and data security. For example, with the development of smart medical care, cloud computing-based medical platforms are widely used by medical institutions. Sensitive data generated in medicine and medical treatment need to be stored safely. It is an important method for data confidentiality and fine-grained access control. In an organization with a large number of personnel and internal department personnel with basically the same access rights to resources, if each user is still regarded as a separate access control unit, a large am...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08H04L9/08
Inventor 刘颖
Owner GUANGXI POWER GRID CORP
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