云加密数据的安全重复数据删除方案

Vishal Passricha, Ashish Chopra, Shubhanshi Singhal
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引用次数: 1

摘要

云存储(CS)由于提供了低成本和方便的网络存储服务而越来越受欢迎。在大数据时代,数字数据的爆炸式增长促使用户向CS转移,但这给CS系统带来了很大的存储压力,因为大量的数据是冗余的。重复数据删除是一种有效的数据缩减技术。数据的动态性使得数据的安全性和所有权成为一个非常重要的问题。所有权证明方案是检查任何所有者声称的所有权的可靠方法。但由于加密方式各不相同,对重复数据删除过程有一定影响。收敛加密(convergence encryption, CE)方案被广泛用于安全的重复数据删除。基于ce的方案的问题在于,用户可以在失去所有权的情况下解密云数据。本文通过为加密数据提出一种安全的重复数据删除方案来解决所有权撤销问题。该方案提高了预测数据集的安全性,防止未经授权的加密和中毒攻击。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Secure Deduplication Scheme for Cloud Encrypted Data
Cloud storage (CS) is gaining much popularity nowadays because it offers low-cost and convenient network storage services. In this big data era, the explosive growth in digital data moves the users towards CS but this causes a lot of storage pressure on CS systems because a large volume of this data is redundant. Data deduplication is an effective data reduction technique. The dynamic nature of data makes security and ownership of data as a very important issue. Proof-of-ownership schemes are a robust way to check the ownership claimed by any owner. However, this method affects the deduplication process because encryption methods have varying characteristics. A convergent encryption (CE) scheme is widely used for secure data deduplication. The problem with the CE-based scheme is that the user can decrypt the cloud data while he has lost his ownership. This article addresses the problem of ownership revocation by proposing a secure deduplication scheme for encrypted data. The proposed scheme enhances the security against unauthorized encryption and poison attack on the predicted set of data.
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