#csidh CTF challenges
3 CTF challenges using csidh from 3 CTFs (2021–2025), 3 with writeups.
Often combined with
#isogeny 2 #oblivious-transfer 1
Challenges
Filter and sort these in the challenge browser →
| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| seaside | DiceCTF 2023 | 36.70 | Crypto | files wu 1 |
| Alter_Ego | SekaiCTF 2025 | 55.00 | Crypto | files src wu 1 |
| infinity | hxp 2021 | 99.41 | Crypto | files wu 1 |