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An increasing number of smart devices embed speech-commands. The usage of speech offers simplicity, accessibility and it also opens new human-computer interactions. However, the gathering and exploitation of this type of data raise many privacy threats as speech data is sensitive in nature. Personal information about the speaker can be inferred (e.g., gender, emotion...). In … Continue reading Mohamed Maouche – Recent Approaches of Speaker Anonymization Techniques

This talk will present a framework for cryptanalysis of lattice-based schemes, when side information —in the form of «hints»— about the secret is available. This presentation outlines a joint work with Dana Dachman-Soled, Léo Ducas and Huijing Gong that was presented in CRYPTO 2020 (EPrint on IACR). This framework generalizes the primal lattice reduction attack, … Continue reading Mélissa Rossi – Assessing residual security of lattice-based cryptography