Challenges
30 challenges in family ⊕ crypto:attack-model ✕ clear · browse all techniques
| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| nom_nom | VuwCTF 2026 | 25.00 | Crypto | files wu 1 |
| Baby_Sharingan | H7CTF 2025 | 22.56 | Crypto | files wu 1 |
| Contamination | SwampCTF 2025 | 40.40 | Web | files wu 1 |
| Export_Grade_Cipher | UofTCTF 2024 | 23.90 | Crypto | files wu 1 |
| Blocked2 | WolvCTF 2024 | 35.25 | Crypto | files wu 1 |
| Blue_Office | Crypto 2023 | 59.60 | Misc | files wu 1 |
| Cereal_Killer_02 | DEADFACE 2023 | – | Reverse | files wu 2 |
| RandSubWare | SekaiCTF 2023 | 24.86 | Crypto | files wu 1 |
| rejected | DiceCTF 2022 | 24.82 | Crypto | files wu 1 |
| SecureImageEncryption | SekaiCTF 2022 | 24.86 | Crypto | files wu 1 |
| yor | hxp 2022 | – | Crypto | files wu 2 |
| Dummyper | Aero 2021 | 35.17 | Reverse | files wu 3 |
| OTP2 | BlueHens 2021 | 22.62 | Crypto | files wu 1 |
| opisthocomus-hoazin | HSCTF 2021 | – | Crypto | files src wu 2 |
| Tyrannosaurus_Rex | HacktivityCon 2021 | – | Crypto | files wu 3 |
| one_time_beach | ISITDTU 2021 Quals | 23.08 | Crypto | files wu 1 |
| ZKPoD | ImaginaryCTF 2021 | – | Crypto | files wu 2 |
| malware | UMassCTF 2021 | 23.56 | Crypto | files wu 3 |
| QR_Codebook | VolgaCTF 2021 Quals | 32.73 | Crypto | files wu 1 |
| Reasonable_Security_Ahead | b01lers 2021 | 22.99 | Crypto | files wu 1 |
| warsamup | zer0pts 2021 | 24.56 | Crypto | files wu 3 |
| hackme | hxp 2020 | 94.00 | Web | files wu 3 |
| Real_Smooth | BuckeyeCTF 2023 | 34.50 | Crypto | files wu 2 |
| Scrambled_Pizzeria | TeamItaly 2023 | 24.88 | Crypto | files wu 1 |
| CAFE | Codegate 2022 Quals | – | Web | files wu 1 |
| A_Simple_SP_Box | DCTF 2021 | – | Crypto | files wu 2 |
| A2S | Pwn2Win 2021 | 83.41 | Crypto | files wu 1 |
| A3S | RaRCTF 2021 | 24.53 | Crypto | files wu 1 |
| mini-A3S | RaRCTF 2021 | 24.53 | Crypto | files wu 1 |
| Fake_Encryption | WORMCON 2021 | – | Crypto | files wu 1 |