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Paper 2012/157

Attack on Fully Homomorphic Encryption over the Integers

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.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Published elsewhere. Unknown where it was published
Keywords
Fully Homomorphic EncryptionCryptanalysisLattice Reduction
Contact author(s)
guchunsheng @ gmail com
History
2012-03-23: received
Short URL
https://ia.cr/2012/157
License
Creative Commons Attribution
CC BY
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