Following Gentry's breakthrough work [7], there is currently great interest on fully-homomorphic encryption (FHE), which allows to compute arbitrary functions on encrypted data. Though the area. has seen much progress recently (such as [10,11,5,2,1,8,6]), it is still unknown if fully-homomorphic encryption will ever become truly practical one day, or if it will remain a theoretical curiosity. In order to find out, several FHE numerical challenges have been proposed by Gentry and Halevi [9], and by Coron et al. [5], which provide concrete parameters whose efficiency and security can be studied. We report on recent attempts [3,4] at; breaking FHE challenges, and we discuss the difficulties of assessing precisely the security level of FHE challenges, based on the state-of-the-art. It turns out that security estimates were either missing or too optimistic.
CITATION STYLE
Nguyen, P. Q. (2011). Breaking Fully-Homomorphic-Encryption Challenges (pp. 13–14). https://doi.org/10.1007/978-3-642-25513-7_2
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