$ ctf42

#oaep CTF challenges

1 CTF challenge using oaep from 1 CTF (2026), 1 with writeups.

Crypto · 1

Often combined with

#ecm-factorization 1 #rsa 1

Challenges

Filter and sort these in the challenge browser →

Challenge CTF Weight Category Has
Hextrap V1T 2026 22.14 Crypto files wu 1