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Friday, November 6, 2020

Friday, November 6, 2020 — 3:30 PM EST

Title: Constructing broken SIDH parameters: a tale of De Feo, Jao, and Plut's serendipity

Speaker: Chloe Martindale Affiliation: University of Bristol Zoom: Please email Emma Watson

Abstract:

This talk is motivated by analyzing the security of the cryptographic key exchange protocol SIDH (Supersingular Isogeny Diffie-Hellman), introduced by 2011 by De Feo, Jao, and Plut. We will first recall some mathematical background as well as the protocol itself. The 'keys' in this protocol are elliptic curves, which are typically described by equations in x and y of the form y^2 = x^3 + ax + b.

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