[Resource Topic] 2012/157: Attack on Fully Homomorphic Encryption over the Integers

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Title:
Attack on Fully Homomorphic Encryption over the Integers

Authors: Gu Chunsheng

Abstract:

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.

ePrint: https://eprint.iacr.org/2012/157

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