#repeating-key CTF challenges
3 CTF challenges using repeating-key from 3 CTFs (2023–2025), 3 with writeups.
Often combined with
Challenges
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| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| X_Marked_the_Spot | UIUCTF 2024 | – | Crypto | files wu 2 |
| Either_or_Neither_nor | RITSEC 2023 | – | Crypto | files wu 1 |
| XOR_101 | squ1rrel 2025 | 24.25 | Crypto | files wu 1 |