Data storage method and apparatus

A data storage and data block technology, which is applied in the direction of secure communication devices, digital transmission systems, user identity/authority verification, etc., can solve the problem of low security of data storage methods, and achieve the effect of high security

Inactive Publication Date: 2019-02-01
BEIJING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] It can be seen that the existing cloud storage data storage methods are less secure

Method used

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  • Data storage method and apparatus
  • Data storage method and apparatus

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Embodiment Construction

[0060] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0061] A data storage method provided by the embodiment of the present invention is applied to nodes in the blockchain network. The following describes the blockchain network involved in the embodiment of the present invention as follows, specifically:

[0062] The scale of the blockchain network, that is, the number of nodes in the blockchain network, can be determined according to the user's business scale or the size of the data to be stored. Each node in th...

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Abstract

The embodiment of the invention provides a data storage method and apparatus. The method comprises the following steps: determining a first storage node from a second node according to received feedback information corresponding to a data storage request sent by the second node for broadcast, encrypting to-be-stored data by using a preset public key, and encoding the encrypted to-be-stored data toobtain an encoding result; dividing the encoding result into data blocks, and adding a digital signature generated by using a private key corresponding to the public key to each data block; and determining a storage node of each data block with the added digital signature, and sending the data block to the determined storage node for storage. By application of the scheme provided by the embodiment of the invention , the data storage security can be improved.

Description

technical field [0001] The invention relates to the technical field of data storage, in particular to a data storage method and device. Background technique [0002] With the continuous development of Internet technology, communication technology and data storage technology, users need to store more and more data, and pay more and more attention to data security and privacy. Among the existing data storage methods, cloud storage and local storage are the two most important data storage methods. [0003] Among them, the data storage method of cloud storage is specifically: users upload the data to be stored to large databases provided by some enterprises, such as: Baidu cloud disk and 360 cloud disk, etc., and these large databases store the above-mentioned files to be stored. But this data storage method of cloud storage also has risks. First of all, whether these databases use a centralized database or a distributed database, there is a problem of "centralization", which ...

Claims

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Application Information

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IPC IPC(8): H04L29/08H04L29/06H04L9/32
CPCH04L9/3247H04L63/0442H04L67/1097H04L2209/72
Inventor 杨阳王泽凡刘军何俊桦刘芳
Owner BEIJING UNIV OF POSTS & TELECOMM
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