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Circuit privacy is an important notion in Fully Homomorphic Encryption (FHE), well-illustrated by the Machine Learning-as-a-Service scenario. A scheme is circuit private if an adversary cannot learn the circuit evaluated on a ciphertext from the computation result. In this talk, we show that the FHE scheme BGV is computationally circuit private in a semi-honest context. … Continue reading Séminaire Algorithmique : Ana Maria Costache (NTNU, Trondheim, Norvège) « FHE Circuit Privacy for Free »

In this talk, I will first review existing asymptotic approximations in the literature for the Stirling partition numbers (or Stirling numbers of the second kind), the list of references being by far the most complete one. Then I will present a general, systematic, elementary approach to generate ten different asymptotic expansions whose uniformity covers particularly … Continue reading Séminaire Algorithmique : « Ten asymptotic expansions for the Stirling numbers of the second kind » Hsien-Kuei Hwang (Academia Sinica, Taipei, Taiwan)