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Cloud server storage integrity detection method and system

A technology of integrity detection and cloud server, applied in transmission systems, electrical components, etc., to achieve the effects of protecting anonymity, realizing quantitative storage, and ensuring anonymity

Inactive Publication Date: 2017-05-31
QINGDAO UNIV
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

And for the cloud server, it is also necessary to store multiple authenticators from different users, which is a storage burden for the cloud server

Method used

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  • Cloud server storage integrity detection method and system
  • Cloud server storage integrity detection method and system
  • Cloud server storage integrity detection method and system

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Embodiment Construction

[0064] In order to solve the problems of data deduplication and user identity anonymity of the cloud server, the present invention proposes an efficient cloud server storage integrity detection method that supports data deduplication and user identity anonymity. Different from traditional cloud servers, the cloud server supporting data deduplication provided by the present invention can know the identities of different users who own the same file, so that the cloud server can infer the attributes of the encrypted file according to the identities of these users. For example, if the users who own the file are all students, then the file content should be educational. Of course, with the refinement of user identities, there will be more guessed file contents, which seriously leaks the user's data privacy. In this approach, the authenticator required for user-generated audits does not contain any information about the user's identity. Moreover, when a user downloads a file, it on...

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Abstract

The invention provides a cloud server storage integrity detection method and a detection system with high efficiency and capability of supporting data delete and user identity anonymity. Compared with a traditional cloud server, the cloud server supporting data delete provided by the invention can know identities of different users owning the same file, so that the cloud server can infer the attribution of the encrypted file according to the identities of the users. An authenticator required for auditing and generated by the user does not contain any information of the user identity. In addition, when the user downloads the file, the user only needs to send a legal certificate to the cloud server without the need for any identity information. In the whole scheme, the cloud server does not know any information of the user identities. In the method, the quantitative storage of the cloud server is realized.

Description

technical field [0001] The invention belongs to the technical field of cloud server storage, and in particular relates to a cloud server storage integrity detection method supporting data deduplication and user identity anonymity. Background technique [0002] In recent years, cloud server computing technology has gradually penetrated into all aspects of people's lives, bringing great convenience to people's lives. The cloud server storage service in the cloud server service can provide people with low-cost data storage services, and has been widely used. More and more users are willing to store their data on remote cloud servers to free up local storage and the resources required to maintain these data. For cloud servers, it is necessary to store more and more data from different users. According to EMC's recent survey, 75% of data is duplicated. In order to save bandwidth and storage costs, the cloud server storage service provider tries to delete the copy when multiple...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L63/123H04L63/0428H04L63/126H04L67/06H04L67/1097
Inventor 于佳郝蓉侯慧莹
Owner QINGDAO UNIV
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