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User-controllable data retravel method and data storage method, terminal and system

A data storage and user technology, applied in the field of computer networks, to achieve the effects of safe, controllable and efficient access, data assurance, and safe sharing

Active Publication Date: 2017-05-17
株洲启益晨机电科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Therefore, based on the dynamic complexity and openness of the cloud storage environment, users cannot completely rely on untrusted cloud storage providers for data storage and management. How to store data in an open cloud storage environment is the key to cloud storage. Application problems that need to be solved

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  • User-controllable data retravel method and data storage method, terminal and system

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Embodiment Construction

[0052] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0053] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the word "comprising" used in the description of the present invention refers to the presence of said features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more o...

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Abstract

The invention discloses a user-controllable data retravel method and a data storage method, terminal and system. The data storage method comprises the steps that an index file is created for data to be stored; according to an encryption strategy preset with an authentication server, a first secret key is obtained from the authentication server, and symmetrical encryption is conducted on the index file through the first secret key to obtain an encrypted index; symmetrical encryption is conducted on data to be stored according to a second secret key provided by a user to obtain encrypted data; a corresponding access structure is created for the data to be stored according to the preset user access strategy, and a CP-ABE algorithm is adopted to encrypt the second secret key through the access structure so as to obtain an encrypted secret key; the encrypted data, the encrypted index and the encrypted secret key serve as ciphertext data to be uploaded to a system server, and the system server uploads the data to a cloud storage server after completing integrity checking of ciphertext data through the authentication server. The efficient and safe sharing in a cloud storage environment is achieved by adopting the embodiment.

Description

technical field [0001] The present invention relates to the technical field of computer networks, in particular to a user-controllable data retrieval method based on a cloud storage environment, a user-controllable data storage method, a terminal and a system. Background technique [0002] In an open network environment, people store and share more and more data through the network in their study, work and life. As a new network application model, cloud storage service uses cluster applications, grid technology and distributed File system and other functions, a large number of different types of storage devices in the network are combined to work together through application software, and jointly provide data storage and business access services to the outside world. Users can store their data remotely in the cloud storage center and access it on demand, which is convenient for users to access, saves expenses for enterprises, and improves availability and reliability. Howev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F21/62
CPCG06F21/6209G06F2221/2107G06F16/903
Inventor 吴岳忠李长云杜红刚
Owner 株洲启益晨机电科技有限公司
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