#isogeny CTF challenges
6 CTF challenges using isogeny from 6 CTFs (2021–2025), 6 with writeups.
Often combined with
#csidh 2 #oblivious-transfer 1 #sqisign 1 #torsion-point-attack 1 #sidh 1 #supersingular-elliptic-curve 1
Challenges
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| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| why_is_a_raven | Union 2021 | 24.34 | Crypto | files wu 2 |
| Last_Flight | SECCON 2025 Quals | – | Crypto | files wu 1 |
| Pwn_Chall | TeamItaly 2023 | 24.88 | Crypto | files wu 1 |
| not_csidh | hxp 2022 | – | Crypto | files wu 1 |
| seaside | DiceCTF 2023 | 36.70 | Crypto | files wu 1 |
| Alter_Ego | SekaiCTF 2025 | 55.00 | Crypto | files src wu 1 |