Cloud storage method and system

A cloud storage system and cloud storage technology, applied in the field of cloud storage, can solve problems such as keys being easily cracked, cloud storage data security issues, eavesdropping, etc., and achieve the effect of ensuring data security

Active Publication Date: 2016-12-07
QUANTUMCTEK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the present invention provides a cloud storage method and system to overcome the method of splitting the key in the prior art, because when the main component key is sent to the cloud storage client, the component key is sent When sending to cloud storage servers, it is easy to be eavesdropped by malicious attackers, and the above method is based on mathematical algorithms. With the advancement of mathematics and the rapid development of computer technology, the key K used to encrypt data will be easily cracked , which eventually lead to serious data security problems in cloud storage

Method used

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Examples

Experimental program
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Embodiment 1

[0050] Please refer to the attached figure 1 , is a schematic flowchart of a cloud storage method disclosed in Embodiment 1 of the present invention. The method is applied to the terminal side of the cloud storage system, and the terminal side includes a cloud storage client, a key management terminal, and a quantum encryption Key distribution (Quantum Key Distribution, QKD) system, the cloud storage client can be a mobile phone, computer or other dedicated cloud storage client, etc., the cloud storage client is connected to a key management terminal, the key management terminal Connect a QKD system. At this time, the key management terminal and the QKD system are independent of each other. It should be noted that the key management terminal can also be integrated in the QKD system. For this, this implementation example without any restrictions. The method specifically includes the following steps:

[0051] S101: The QKD system on the terminal side and at least one QKD syste...

Embodiment 2

[0060] Please refer to the attached figure 2 , is a schematic flowchart of a cloud storage method disclosed in Embodiment 2 of the present invention, the method is applied to the terminal side of the cloud storage system, and the terminal side includes a cloud storage client, a key management terminal and a QKD system , the cloud storage client can be a mobile phone, computer or other dedicated cloud storage client, etc., the cloud storage client is connected to a key management terminal, and the key management terminal is connected to a QKD system. At this time, the The key management terminal and the QKD system are independent of each other. It should be noted that the key management terminal may also be integrated in the QKD system, which is not limited in this embodiment. The method specifically includes the following steps:

[0061] S201: The QKD system on the terminal side and at least one QKD system on the cloud server side generate at least one quantum key through a ...

Embodiment 3

[0071] Please refer to the attached image 3 , is a schematic flowchart of a cloud storage method disclosed in Embodiment 3 of the present invention, the method is applied to the terminal side of the cloud storage system, and the terminal side includes a cloud storage client, a key management terminal and a QKD system , the cloud storage client can be a mobile phone, computer or other dedicated cloud storage client, etc., the cloud storage client is connected to a key management terminal, and the key management terminal is connected to a QKD system. At this time, the The key management terminal and the QKD system are independent of each other. It should be noted that the key management terminal may also be integrated in the QKD system, which is not limited in this embodiment. The method specifically includes the following steps:

[0072] S301: The QKD system on the terminal side and at least one QKD system on the cloud server side generate at least one quantum key through a q...

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Abstract

The invention discloses a cloud storage method and system. At least one quantum key is generated through a quantum network by a QKD system at a terminal side and at least one QKD system at a cloud server side; and a cloud storage client side processes the at least one quantum key through a pre-set encryption algorithm so as to generate a combined key. By means of the method, a quantum key distribution technology and a cloud storage technology are combined; because natural advantages that a lot of random keys can be easily generated through distributed characteristics of cloud storage and quantum key distribution and the keys are difficultly eavesdropped are utilized, a malicious attacker cannot obtain the quantum keys, and cannot crack the combined key; and thus, the data security of cloud storage is greatly ensured.

Description

technical field [0001] The present invention relates to the technical field of cloud storage, in particular to a cloud storage method and system. Background technique [0002] Cloud storage is a cloud computing system centered on data access and management. This system has the following two advantages. On the one hand, users can connect to cloud storage at any time, anywhere, through any network-connected device , It is very convenient to perform data access operations; on the other hand, users do not need to invest in local data centers or dedicated remote sites to maintain and manage data, and use cloud storage to obtain a large amount of low-cost storage space. Based on the advantages of the above two aspects, cloud storage technology has developed rapidly in recent years, and more and more users choose to use cloud storage. [0003] When users use cloud storage, they usually encrypt the data with a key and then upload it to the cloud server side. However, it is difficul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L9/0852G06F21/6218H04L9/40G06N10/00H04L9/088
Inventor 不公告发明人
Owner QUANTUMCTEK
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