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Quasi-light Storage for Optical Data Packets
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Improved cloud storage auditing scheme with deduplication.

Jindan Zhang1, Urszula Ogiela2, David Taniar3

  • 1Xianyang Vocational & Technical College, Xianyang, Shaanxi, China.

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|May 10, 2023
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Summary
This summary is machine-generated.

This study identifies a security flaw in cloud storage auditing with deduplication, where authenticators can be forged. An improved scheme is proposed, enhancing data integrity and security for outsourced big data.

Keywords:
attackcloud auditcloud storagededuplicationintegrity

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Area of Science:

  • Computer Science
  • Information Security

Background:

  • Cloud storage is vital for big data, requiring robust integrity checks through auditing schemes.
  • Cloud storage deduplication offers cost savings but complicates auditing.
  • Hou et al. (2019) proposed a scheme combining auditing and deduplication, considering data popularity.

Purpose of the Study:

  • To identify vulnerabilities in the Hou et al. (2019) cloud storage auditing scheme with deduplication.
  • To propose an enhanced auditing scheme that addresses identified security flaws.

Main Methods:

  • Analysis of the security vulnerabilities in the existing scheme, focusing on authenticator forgery.
  • Development of a modified auditing scheme based on Hou et al.'s work.
  • Security analysis of the proposed enhanced scheme.

Main Results:

  • The Hou et al. (2019) scheme allows adversaries to forge authenticators, enabling undetected deletion of encrypted data blocks.
  • The proposed improved scheme effectively prevents authenticator forgery.
  • The enhanced scheme demonstrates increased security against data deletion attacks.

Conclusions:

  • The original scheme is vulnerable to data deletion attacks due to forgeable authenticators.
  • The proposed enhanced cloud storage auditing scheme with deduplication provides a more secure solution.
  • The improved scheme ensures data integrity and security in cloud environments.