CRC Seminar Series - Prof. Francisco Rodriguez-Henriquez

Feb 25, 2021
CRC Seminar Series

 

Francisco
 

Prof. Francisco Rodriguez-Henriquez

Computer Science Department, CINVESTAV-IPN

 

11th March 2021 - 4 - 5 pm (UAE Time)

 

Title:

A state-of-the-art review of key-exchange isogeny-based protocols

Abstract:

Over the last ten years there has been an intense research effort to find hard mathematical problems that would be presumably hard to solve by a quantum attacker and at the same time could be used to build reasonably efficient public-key crypto schemes. One such proposal is the hardness of finding an isogeny map between two elliptic curves. This proposal has spawned a new line of research generally known as isogeny-based cryptography. One salient feature of all isogeny-based protocols proposed up-to-date, is that they require exceptionally short key sizes. However, the latency associated to those protocols is higher than the ones reported by other post-quantum cryptosystem proposals. In this talk we present a state-of-the-art review of two emblematic isogeny-based protocols and their variants, namely, the Supersingular Isogeny-based Diffie-Hellman key exchange (SIDH) protocol and the commutative isogeny-based key exchange protocol (CSIDH).

 

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