$ ctf42

Challenges

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

Challenge CTF Weight Category Has
baby-rsa
#rsa#known-prime#factorization
 WRECKCTF 2022 – Crypto files wu 1
rsa
#rsa#signing-oracle#blinding
 WRECKCTF 2022 – Crypto files wu 1
spin
#caesar-cipher
 WRECKCTF 2022 – Crypto files wu 1
token
#aes#pkcs7-padding#authentication-bypass
 WRECKCTF 2022 – Crypto files wu 1
Bounding WRECKCTF 2026 – Crypto files
Mr_Pollard WRECKCTF 2026 – Crypto files
No_Hash_No_Cash WRECKCTF 2026 – Crypto files
Nonce_Sense WRECKCTF 2026 – Crypto files
Paper_Trail WRECKCTF 2026 – Crypto files
skissue WRECKCTF 2026 – Crypto files
lsfr WRECKCTF 2022 – Crypto files
mtp WRECKCTF 2022 – Crypto files
prime WRECKCTF 2022 – Crypto files