#ckks CTF challenges
2 CTF challenges using ckks from 2 CTFs (2022–2026), 2 with writeups. Mostly Crypto (50%) and Misc (50%).
Often combined with
#lattice 2 #key-recovery 1 #rlwe 1 #microsoft-seal 1 #approximate-common-divisor 1
Challenges
Filter and sort these in the challenge browser →
| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| learning-without-errors | DiceCTF 2022 | 24.82 | Crypto | files wu 1 |
| HEuristic | R3CTF 2026 | 35.95 | Misc | files wu 1 |