Title: Concretely-Efficient Multi-Key Homomorphic Secret Sharing and Applications

Abstract: Homomorphic secret sharing (HSS) is a powerful…

Title: Black-Box Threshold Signing of Hash-Based Signatures is Impossible

Abstract: We show a general impossibility result that broadly rules out…

Title: Isogeny Based Threshold Signatures

Abstract: Cryptographic group actions offer a flexible framework for instantiating plausibly post-quantum…

Title: Privacy in Metalearning and Multitask Learning: Modeling and Separations

Abstract: Model personalization allows a set of individuals, each…

From May 18th to 22nd, the Cryptography and Cybersecurity Section at Department og Computer Science, Aarhus University will host the workshop “Theory…