International Association for Cryptologic Research

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QRYPT: End-to-End Encrypted Audio Calls via Blind Audio Mixing

Authors:
Emad Heydari Beni
Lode Hoste
Geert Heyman
Paschalis Tsiaflakis
Barry van Leeuwen
Robin Geelen
Marc Rivinius
Claudia Bartoli
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Presentation: Slides
Abstract: In this talk, we present a new approach using Fully Homomorphic Encryption (FHE), which enables end-to-end encryption for group voice calls. Concretely, we introduce blind audio mixing, an FHE-compatible compression technique, and an encrypted watermarking approach.
Video: https://youtu.be/PMmBfXC1HQE
BibTeX
@misc{rwc-2025-35883,
  title={QRYPT: End-to-End Encrypted Audio Calls via Blind Audio Mixing},
  note={Video at \url{https://youtu.be/PMmBfXC1HQE}},
  howpublished={Talk given at RWC 2025},
  author={Emad Heydari Beni and Lode Hoste and Geert Heyman and Paschalis Tsiaflakis and Barry van Leeuwen and Robin Geelen and Marc Rivinius and Claudia Bartoli},
  year=2025
}