Security cloud storage system based on increment synchronization

A cloud storage system, incremental synchronization technology, applied in transmission systems, electrical components, etc., can solve problems such as uneasy adoption, and achieve the effect of improving user experience, reducing traffic consumption, and ensuring security

Inactive Publication Date: 2014-09-03
WUHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, the inherent characteristics of public cloud storage systems prevent many companies and teams from adopting them with confidence

Method used

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  • Security cloud storage system based on increment synchronization
  • Security cloud storage system based on increment synchronization
  • Security cloud storage system based on increment synchronization

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Embodiment Construction

[0064] In order to facilitate the understanding and implementation of the present invention by those of ordinary skill in the art, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0065] Please see figure 1 The system architecture of the present invention is composed of a client, an intermediate server, and the cloud. The client is used for users to perform file operations, interact with the intermediate server, and implement security functions such as file encryption and file binding; the intermediate server Responsible for file management, user management and other system management tasks, and complete identity authentication and key agreement, and implement access control; the cloud is responsible for distributed storage and mana...

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Abstract

The invention discloses a security cloud storage system based on increment synchronization. A three-tier architecture of client-intermediate server-private cloud terminal is adopted, and data security is guaranteed by multiple security protection technology. After being blocked and encrypted, a user file is transmitted to a cloud terminal through an SSL (security socket layer) security transmission protocol; after finishing the work of user management and key management, the intermediate server terminal adopts a mutual authentication mechanism and an access control mechanism to realize the safe data share so as to completely prevent original data from leaking from the server terminal; the binding of the file and a mobile device is realized at a client, the specific file can be only opened on a specific device, and even though the file is leaked by an insider, a leaking device can be traced; moreover, the unique increment synchronization technology is realized, and the file can be synchronized by only synchronizing modified file blocks, so that the flow consumption in the file transmission process is reduced, the transmission efficiency is improved, the system usability is enhanced, and user experience is promoted.

Description

[0001] Technical field [0002] The invention belongs to the field of computer information security, relates to a secure cloud storage system based on incremental synchronization, and specifically relates to the issues of secure storage and transmission, efficient synchronization and legal sharing of computer data in a cloud platform. [0003] Background technique [0004] The rapid development of cloud computing enables us to use cloud platforms to store or calculate large-scale data, but the data transmission rate is restricted by network bandwidth and data security is difficult to guarantee, so that cloud storage products cannot be widely used. On the other hand, the revolutionary leap of the mobile Internet allows us to use mobile devices to process documents for office work, but it is not very convenient for safe file sharing and teamwork. Many companies or business teams hope to use mobile devices to facilitate office work. They hope that files can be easily shared within the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06
Inventor 陈晶王持恒杜瑞颖胡杰
Owner WUHAN UNIV
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