Paper 2019/815

A Note on the Static-Static Key Agreement Protocol from Supersingular Isogenies

Selçuk Kayacan

Abstract

The basic Supersingular Isogeny Diffie-Hellman (SIDH) key agreement protocol is insecure due to an attack described by Galbraith, Petit, Shani and Ti. In this note we present two variants of SIDH that are immune to this attack.

Metadata
Available format(s)
-- withdrawn --
Category
Cryptographic protocols
Publication info
Preprint. MINOR revision.
Keywords
key agreementpost-quantum cryptographysupersingular isogeny Diffie-Hellman
Contact author(s)
kayacan selcuk @ gmail com
History
2019-11-16: withdrawn
2019-07-14: received
See all versions
Short URL
https://ia.cr/2019/815
License
Creative Commons Attribution
CC BY
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