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CRYPTO : Alain Couvreur (Inria Saclay) : On a recent attack on SIKE

Bâtiment Fermat, salle 4205

In this talk, after recalling some general results on elliptic curves and isogenies, I will present, the various key exchange techniques based on isogenies between, namely Couveignes-Rostovtsev-Stolbunov, SIKE and CSIDH. Then, I give a description of the main ideas that