Method for protecting data of cloud storage system

A cloud storage system and data protection technology, applied in transmission systems, electrical components, etc., can solve problems such as the failure of the cloud storage environment security mechanism, and achieve the effect of improving storage security and security.

Active Publication Date: 2013-09-11
SUZHOU SIJIE MAKEDING SOFTWARE CO LTD
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  • Abstract
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Problems solved by technology

Facts have proved that due to various risks such as internal staff negligence and hacker attacks, which will lead to the failure of the security mechanis

Method used

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  • Method for protecting data of cloud storage system
  • Method for protecting data of cloud storage system
  • Method for protecting data of cloud storage system

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Embodiment Construction

[0033] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0034] Such as figure 1 As shown, the present invention designs a data protection method for a cloud storage system. The cloud storage system includes a cloud central authorization agency, a client processing module, a cloud server, and several cloud attribute authorization agencies that manage registered user attribute information. Each cloud attribute Authorized agencies manage at least one attribute information of registered users respectively, and each registered user has their own unique user identification ID; the cloud storage system data protection method includes a file upload method and a file download method, wherein the file upload method is as follows:

[0035] Step A01. Initialize the cloud central authority, select the multiplicative cyclic group G and G whose order is a prime number p T , satisfy the bil...

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Abstract

The invention relates to a method for protecting data of a cloud storage system. The cloud storage system comprises a cloud central authorization mechanism, a client processing module, cloud severs and a plurality of cloud attribute authorization mechanisms. The cloud attribute authorization mechanisms manage attribute information of registered users. The method for protecting the data of the cloud storage system has the advantages that the method is based on the various attribute authorization mechanisms specifically for attributes of the registered users, brand new encryption and decryption processes are designed for the user data stored in the cloud storage system, the safety of the user data stored in the cloud storage system is greatly improved, and risks that malicious users breach the attribute authorization mechanisms are spread as compared with an existing cloud storage system with a single authorization mechanism.

Description

technical field [0001] The invention relates to a data protection method of a cloud storage system. Background technique [0002] With the popularity of cloud computing, cloud storage derived from it, as one of the new technologies, is increasingly used in various fields. While saving a lot of costs for users, due to the characteristics of cloud storage that stores data in areas beyond the user's control, how to protect the privacy of user data in the cloud has become the most concerned issue for users. [0003] The core root of data security issues in cloud storage systems is the separation of data management rights and ownership; users' data is outsourced to cloud service providers, and cloud service providers obtain priority access to the data or applications. Facts have proved that due to various risks such as internal staff negligence and hacker attacks, which will lead to the failure of the security mechanism of the cloud storage environment, cloud service providers d...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08
Inventor 徐小龙周静岚杨庚孙雁飞孔媛媛邱国霞杨宝杰骆健徐鹤刘茜萍
Owner SUZHOU SIJIE MAKEDING SOFTWARE CO LTD
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