$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
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Must have
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26 challenges · browse all techniques

Challenge CTF Weight Category Has
Flip_Me_Over
#cbc-bit-flipping
 niteCTF 2021 – Crypto files wu 1
Rabin_To_The_Rescue
#fermat-factorization
 niteCTF 2021 – Crypto files wu 2
Hash_Vegas niteCTF 2025 – Crypto files
Huuge_FAN niteCTF 2025 – Crypto files
smol_fan niteCTF 2025 – Crypto files
stronk_rabin niteCTF 2025 – Crypto files
symmetric_starter niteCTF 2025 – Crypto files
Layered_Secrets niteCTF 2024 – Crypto files
RSAabc niteCTF 2024 – Crypto files
R_Stands_Alone niteCTF 2024 – Crypto files
import_rAnDoM niteCTF 2024 – Crypto files
Lost_in_the_Spectrum niteCTF 2023 – Crypto files
PARtly_bintastic niteCTF 2023 – Crypto files
Quantum_Quandary niteCTF 2023 – Crypto files
Solitaires_are_pretty niteCTF 2023 – Crypto files
Unraveling_the_Patterns niteCTF 2023 – Crypto files
babyRSA niteCTF 2023 – Crypto files
cha_cha_cha niteCTF 2023 – Crypto files
double_whammy niteCTF 2023 – Crypto files
Basically_I_locked_up niteCTF 2022 22.30 Crypto files
Shoo-in niteCTF 2022 22.30 Crypto files
curvAES niteCTF 2022 22.30 Crypto files
itsybitsyrsa niteCTF 2022 22.30 Crypto files
CPA niteCTF 2021 – Crypto files
NJWT niteCTF 2021 – Crypto files
Variablezz niteCTF 2021 – Crypto files