$ ctf42

Challenges

Category
Difficulty
CTFtime weight
–
Higher weight ≈ harder, more prestigious event.
Year
–
Must have
Reset

32 challenges · browse all techniques

Challenge CTF Weight Category Has
Basic_RSA
#rsa#factorization
 TAMUctf 2021 – Crypto files wu 3
Ciphper
#xor
 TAMUctf 2021 – Crypto files wu 3
Ring_Of_Fire
#xor#logic-gates
 TAMUctf 2021 – Crypto files wu 2
pwgen
#lcg#z3
 TAMUctf 2021 – Crypto files wu 1
md5 TAMUctf 2023 – Crypto files wu 1
numbers-pensive TAMUctf 2023 – Crypto files wu 1
prng TAMUctf 2023 – Crypto files wu 1
shmooving TAMUctf 2023 – Crypto files wu 1
shmooving-3 TAMUctf 2023 – Crypto files wu 1
rs-ayyy-how-you-doin TAMUctf 2022 – Crypto files wu 1
viktor TAMUctf 2022 – Crypto files wu 1
Encoding TAMUctf 2021 – Crypto files wu 2
Abnormal_Ellipse TAMUctf 2026 – Crypto files
Hidden_Log_Factoring TAMUctf 2026 – Crypto files
Random_Password TAMUctf 2026 – Crypto files
tinyball TAMUctf 2026 – Crypto files
ECC TAMUctf 2025 – Crypto files
Mod TAMUctf 2025 – Crypto files
RC4_Prefix TAMUctf 2025 – Crypto files
Smelter TAMUctf 2025 – Crypto files
Criminal TAMUctf 2024 – Crypto files src
Emoji_Group TAMUctf 2024 – Crypto files
Jumbled TAMUctf 2024 – Crypto files
PCG TAMUctf 2024 – Crypto files
QCG TAMUctf 2024 – Crypto files
Smooth_Signatures TAMUctf 2024 – Crypto files
Truncated_1 TAMUctf 2024 – Crypto files
Truncated_2 TAMUctf 2024 – Crypto files
shmooving-2 TAMUctf 2023 – Crypto files
vigenot TAMUctf 2023 – Crypto files
indie-co TAMUctf 2022 – Crypto files
take-a-byte TAMUctf 2022 – Crypto files