Data classification and encryption method for cloud storage

A technology of data classification and encryption method, applied in the direction of transmission system, electrical components, etc., can solve the problems of low efficiency, large amount of calculation, single, etc., to achieve the effect of improving efficiency and reducing the amount of calculation

Active Publication Date: 2014-05-07
湖北益尧信息科技有限公司
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Problems solved by technology

[0007] The present invention provides a cloud storage-oriented data classification and encryption method, which solves the problem that the existing data encrypti

Method used

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  • Data classification and encryption method for cloud storage
  • Data classification and encryption method for cloud storage

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Embodiment Construction

[0046] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0047] like figure 1 As shown, the sequence of the present invention includes the steps of building a security feature database, classifying data, encrypting data by class and storing data.

[0048] figure 2 Shown are the data classification steps.

[0049] In an embodiment of the present invention, an operating system backup file is encrypted. The operating system backup file includes operating system data and user data, wherein the operating system data includes operating system software data, system configuration data, etc., and user data includes user data stored in the system. Various data in; This embodiment sequence comprises the step of constructing safe feature library, data classification step, data encryption step and data storage step by class:

[0050] (1) Steps to build a security feature library:

[0051] The user builds a security s...

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Abstract

The invention provides a data classification and encryption method for cloud storage, and belongs to the field of computer storage safety. According to the method, the problems that the calculation amount is large and the efficiency is low due to the facts that an existing data encryption method does not identify data content and a single encryption algorithm is used for all data are solved. The method sequentially includes the steps of (1) security feature library establishment, (2) data classification, (3) data encryption according to classes and (4) data storage. According to the method, a high-security encryption algorithm is adopted only in the part of data related to privacy and needing high-security protection, and an encryption algorithm which is low in security and low in calculation complexity is adopted in general data accounting for the most part, high-security protection is performed on the privacy data, meanwhile, the calculation amount for encryption is lowered, and the efficiency is improved.

Description

technical field [0001] The invention belongs to the field of computer storage security, and in particular relates to a cloud storage-oriented data classification and encryption method. Background technique [0002] In today's society, data is showing "explosive" growth. The amount of various video and audio data, as well as social video and image data generated by social networks and smart terminal devices has greatly exceeded the local storage capacity of ordinary users. Purchasing storage devices to meet the needs of data growth has brought a heavy financial burden to users. [0003] The development of cloud storage enables users to transfer data from local storage to cloud storage, helping users reduce investment in storage devices. In addition, cloud storage has the advantages of large capacity, flexible expansion, and access anytime and anywhere, which brings great convenience to users. Therefore, more and more users begin to choose cloud storage and store a large amo...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08
Inventor 冯丹焦田丰施展柳青李勇李宁
Owner 湖北益尧信息科技有限公司
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