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Séminaire Algorithmique : « Post-Quantum Public-Key Pseudorandom Correlation Functions for Oblivious Transfer », Mahshid Riahinia (ENS Paris et IRIF, Univ. Paris Cité)
Séminaire Algorithmique : « Post-Quantum Public-Key Pseudorandom Correlation Functions for Oblivious Transfer », Mahshid Riahinia (ENS Paris et IRIF, Univ. Paris Cité)
Public-Key Pseudorandom Correlation Functions (PK-PCF) are functions that generate pseudorandom correlated strings. These correlations can then be used to speed up secure computation protocols. Recent works have made significant progress building PK-PCFs using group-based assumptions, however, these assumptions do not hold up against quantum attackers. Much less is known about PK-PCFs in the post-quantum regime. … Continue reading Séminaire Algorithmique : « Post-Quantum Public-Key Pseudorandom Correlation Functions for Oblivious Transfer », Mahshid Riahinia (ENS Paris et IRIF, Univ. Paris Cité)
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Séminaire Algorithmique : « Revenge of the 4D: Can 4-dimensional isogenies become practical? », Pierrick Dartois (INRIA Rennes)
Séminaire Algorithmique : « Revenge of the 4D: Can 4-dimensional isogenies become practical? », Pierrick Dartois (INRIA Rennes)
The devastating attacks against SIDH (Supersingular Isogeny Diffie-Hellman) in 2022 introduced higher-dimensional isogenies as a cryptanalytic tool. As opposed to elliptic curve isogenies, higher-dimensional isogenies are defined between abelian varieties (which generalize elliptic curves in higher dimension). These isogenies quickly became a powerful constructive tool in cryptography with the introduction of SQIsignHD and FESTA, followed … Continue reading Séminaire Algorithmique : « Revenge of the 4D: Can 4-dimensional isogenies become practical? », Pierrick Dartois (INRIA Rennes)
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