Multi-user security bound for filter permutators in the random oracle model

Titouan Tanguy
Titouan Tanguy

Designs, Codes and Cryptography, pp. 1-18, 2018.

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Keywords:
Filter permutators FLIP Related-key attacks Random oracle model Provable securityMore(1+)

Abstract:

At EUROCRYPT 2016, Méaux et al. introduced a new design strategy for symmetric ciphers for fully homomorphic encryption (FHE), which they dubbed filter permutators. Although less efficient than classical stream ciphers, when used in conjunction with an adequate FHE scheme, they allow constant and small noise growth when homomorphically ev...More

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