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Privacy protection method for distributed cloud storage system

A cloud storage system and privacy protection technology, applied in the privacy protection field of distributed cloud storage systems

Active Publication Date: 2021-04-30
JIANGSU BOZHI SOFTWARE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this scheme only protects the privacy of the token transaction process of distributed cloud storage. For the file storage process, the problem of privacy leakage still exists

Method used

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  • Privacy protection method for distributed cloud storage system
  • Privacy protection method for distributed cloud storage system
  • Privacy protection method for distributed cloud storage system

Examples

Experimental program
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Effect test

Embodiment

[0142] In order to evaluate the performance of the present invention, the time overhead of some algorithms is measured in the following embodiments.

[0143] In order to evaluate the system overhead, the implementation process adopts the open source DigitalNote platform based on the CryptoNote protocol, and completes the implementation of relevant algorithms according to the system requirements. In order to evaluate the system overhead, the test chain experiment environment is deployed locally during the implementation process, among which, three miner nodes and three wallet terminals are deployed locally for experiments, and the time overhead of the main algorithm of the main steps of the system is analyzed, and Measurement of time overhead. Among them, T File Time overhead for client file processing, including file hash operation time, file block operation time, and file block upload time; T Tx The time to generate a transaction operation for the user side, including the t...

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PUM

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Abstract

The invention discloses a privacy protection method for a distributed cloud storage system, including a user, a miner, and a storage provider, and realizes operations such as system initialization, file upload, file sharing, file download, and file deletion. The present invention combines the distributed cloud storage system with blockchain technology, and uses the file ownership processing process as transaction processing to realize the privacy protection of the file ownership processing process in the distributed cloud storage system, including the sender, receiver, and transaction content. hide. In addition, the present invention can effectively resist replay attacks and data forgery attacks while ensuring user privacy.

Description

technical field [0001] The invention relates to a distributed storage technology, in particular to a privacy protection method for a distributed cloud storage system. Background technique [0002] With the development of cloud storage technology, users can easily outsource data to the cloud, and perform operations such as sharing, downloading, and modifying data in the cloud. However, the traditional cloud storage model almost exclusively relies on centralized cloud servers to provide services. This model based on client-server trust has some inherent weaknesses and is vulnerable to attacks, such as man-in-the-middle attacks, malware attacks, central A standardized server may also cause data unavailability and leakage of user privacy due to technical failures. Distributed cloud storage can better solve these problems. Common distributed cloud storage systems include HDFS, Ceph, Pangu, etc. The distributed cloud storage system removes the centralized server and ensures the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/60G06F21/62G06Q20/06G06Q20/38G06Q30/06G06Q40/04
CPCG06F21/602G06F21/6209G06F2221/2107G06Q20/065G06Q20/3823G06Q30/0645G06Q40/04
Inventor 王良民孙世璞姜顺荣余春堂段梦杰谢晴晴邢玉萍朱会娟
Owner JIANGSU BOZHI SOFTWARE TECH CO LTD
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