整数上全同态加密的攻击

arXiv: Cryptography and Security Pub Date : 2012-02-15 DOI:10.11591/IJINS.V1I4.798

Gu Chun-sheng

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引用次数: 8

摘要

提出了一种利用格约简算法对整数上的完全同态加密进行启发式攻击的方法。我们的结果表明，[DGHV10]中的FHE对于某些参数设置是不安全的。本文还提出了一种改进方案来避免晶格攻击。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Attack on Fully Homomorphic Encryption over the Integers

This paper presents a heuristic attack on the fully homomorphic encryption over the integers by using lattice reduction algorithm. Our result shows that the FHE in [DGHV10] is not secure for some parameter settings. We also present an improvement scheme to avoid the lattice attack in this paper.

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来源期刊

arXiv: Cryptography and Security

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