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Paper 2022/443
Attack on SHealS and HealS: the Second Wave of GPST
Steven D. Galbraith and Yi-Fu Lai
Abstract
We cryptanalyse the isogeny-based public key encryption schemes SHealS and HealS, and the key exchange scheme HealSIDH of Fouotsa and Petit from Asiacrypt 2021.
Note: -Update- May 10th: generalise the generalised attack in the appendix.
Metadata
- Available format(s)
- Category
- Public-key cryptography
- Publication info
- Preprint. MINOR revision.
- Keywords
- Post-quantum cryptographyisogeny cryptographcryptanalysisSIDHSIKEadaptive attacksGPST attack
- Contact author(s)
- s galbraith @ auckland ac nz,ylai276 @ aucklanduni ac nz
- History
- 2023-04-27: last of 2 revisions
- 2022-04-12: received
- See all versions
- Short URL
- https://ia.cr/2022/443
- License
-
CC BY