Data privacy in cloud computing

Ahmed El-Yahyaoui, Mohamed Dafir Ech-Chrif El Kettani
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引用次数: 6

Abstract

Data privacy in cloud computing is a fundamental issue today. Fully homomorphic encryption schemes are highly recommended for data security in cloud computing. In fact, confidentiality of sensible data can be preserved even if a non-trusted cloud server processes it; the mystery behind this is that fully homomorphic encryption schemes allow processing encrypted data without the need of a prior decryption. In this paper we present a new fully homomorphic encryption scheme from integers. Our encryption scheme can be used essentially to secure sensible data in cloud computing. The proposed scheme uses a large integer ring as cleartext space and one key for encryption and decryption, i.e. it is a symmetric encryption scheme.
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云计算中的数据隐私
云计算中的数据隐私是当今的一个基本问题。为了云计算中的数据安全,强烈推荐使用完全同态加密方案。事实上,即使不受信任的云服务器处理数据,也可以保留敏感数据的机密性;这背后的奥秘在于,完全同态加密方案允许在不需要事先解密的情况下处理加密数据。本文提出了一种新的基于整数的全同态加密方案。我们的加密方案基本上可以用来保护云计算中的敏感数据。该方案使用一个大整数环作为明文空间,使用一个密钥进行加密和解密,即是一种对称加密方案。
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