OTP-based cloud storage data storing method, device and system

A data storage and cloud storage technology, which is applied in the field of cloud storage security, can solve the problems of insufficient data storage security and low protection of data encryption, and achieve the effect of protecting security and privacy and improving confidentiality

Inactive Publication Date: 2011-03-16
BEIJING Z & W TECH CONSULTING
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Problems solved by technology

[0023] The purpose of the present invention is to provide an OTP-based cloud storage data storage method, device and system, aiming to solve the problem that the existing cloud storage encryption technology has low encryption protection for stored data, is easy to be decrypted, and data storage is not safe enough question

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  • OTP-based cloud storage data storing method, device and system
  • OTP-based cloud storage data storing method, device and system
  • OTP-based cloud storage data storing method, device and system

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Embodiment Construction

[0044] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0045] The present invention generates a true random data string not less than the length of the plaintext by randomly collecting data multiple times from the true random numbers generated according to the preset method and the random seeds of predetermined length composed of the true random numbers, and uses the true random data string to generate a true random data string not less than A true random key of plaintext length for data encryption in cloud storage.

[0046] see figure 1 , an embodiment of the present invention provides an OTP-based cloud storage data storage method, which sp...

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Abstract

The invention belongs to the technical field of cloud storage security, and particularly relates to an OTP-based (one-time pad-based) cloud storage data storing method, an OTP-based cloud storage data storing device and an OTP-based cloud storage data storing system. The method comprises the following steps of: generating and storing a true random number of predetermined length and a random seed consisting of the true random number and with predetermined length according to a preset method; repeatedly acquiring data from the random seed, and cascading the data acquired each time into a true random data string not shorter than a plain text length; and generating a true random key not shorter than the plain text length according to the true random data string, encrypting the plain text and sending the encrypted plain text to a cloud storage data center. The invention also provides the OTP-based cloud storage data storing device and the OTP-based cloud storage data storing system. The method, the device and the system generate and store the true random key with enough number and without repeated use by using relatively small plain text storage space, effectively protect the security and the privacy of the cloud storage data and improve the confidentiality of the cloud storage data.

Description

technical field [0001] The invention belongs to the technical field of cloud storage security, and in particular relates to an OTP-based cloud storage data storage method, device and system. Background technique [0002] Data has been proven to be one of the most important assets of enterprises, and the rapid growth of data has brought unprecedented challenges to enterprises. At the same time, the ever-changing world economic situation and the cost pressure brought about by fierce competition make enterprises have to consider how to reduce IT costs and respond to the growing storage demands of enterprises. [0003] The existing storage architecture can be divided into two types: one is a proprietary architecture, such as DAS (direct attached storage, direct attached storage), SAN (Storage Area Network, storage area network) and network access storage server (Network) Access Server, NAS), etc. This type of storage system is exclusively used by one party, which can provide u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06H04L9/32
CPCH04L9/0894H04L9/0656
Inventor 刘慧
Owner BEIJING Z & W TECH CONSULTING
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