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Effective Privacy Preservation in Third-Party Cloud Storage Auditing

机译:第三方云存储审核中的有效隐私保护

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摘要

In cloud storage, the third-party auditor (TPA) will perform public auditing and data integrity check to maintain the integrity of outsourced data stored in the cloud server. To avoid possible user privacy leakage in the auditing process, the TPA should learn nothing about the user. This paper presents a new auditing scheme which can keep the TPA from learning any user data block in an earlier stage - in contrast to previous schemes. Simulation runs are carried out to examine the privacy preserving performance of our new scheme and related schemes. The results show that our scheme is able to produce better privacy protection at no more computation time cost for involved entities, i.e., the user, server and TPA.
机译:在云存储中,第三方审核员(TPA)将执行公共审核和数据完整性检查,以维护存储在云服务器中的外包数据的完整性。为了避免在审核过程中可能泄露用户隐私,TPA应该不了解有关用户的任何信息。本文提出了一种新的审计方案,与以前的方案相比,该方案可以防止TPA在较早的阶段学习任何用户数据块。进行模拟运行以检查我们新方案和相关方案的隐私保护性能。结果表明,我们的方案能够为所涉及的实体(即用户,服务器和TPA)提供更好的隐私保护,而无需花费更多的计算时间。

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