#caesar-cipher CTF challenges
13 CTF challenges using caesar-cipher from 11 CTFs (2021–2026), 13 with writeups. Mostly Crypto (62%) and Reverse (31%).
Crypto · 8 Reverse · 4 Forensics · 1
Often combined with
#shift-cipher 1 #riscv 1 #harmonyos 1 #valgrind 1 #vex-ir 1 #mirdek-cipher 1 #multi-layer-encoding 1 #binary-patching 1
Challenges
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| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| CipherGauntlet | UTCTF 2021 | – | Crypto | files wu 3 |
| Julius_ancient_script | DCTF 2021 | – | Crypto | files wu 3 |
| double-trouble | HSCTF 2023 | – | Crypto | files wu 3 |
| Cards_Galore | UMDCTF 2021 | – | Crypto | files wu 2 |
| Rotations | VishwaCTF 2021 | – | Reverse | files wu 2 |
| Valgrind | RCTF 2021 | – | Reverse | files wu 1 |
| Hi_Harmony | RCTF 2021 | – | Reverse | files wu 1 |
| Recovered_Signal_File | JerseyCTF 2026 | 37.00 | Forensics | files wu 1 |
| Knights_Droid | KnightCTF 2025 | 18.78 | Reverse | files wu 1 |
| Attn_Agents | JerseyCTF 2024 | 21.26 | Crypto | files wu 1 |
| Coin_Code | DEADFACE 2023 | – | Crypto | files wu 1 |
| spin | WRECKCTF 2022 | – | Crypto | files wu 1 |
| DealBreaking | TrollCAT 2021 | 21.87 | Crypto | files wu 1 |