Cryptography – 499 pts (3 solves) – Chall author: Polymero (me)
“See that comb over there? It came from that meteorite I mentioned yesterday. Take a look at this, if I send bytes in, different bytes come out! Then there’s this button that seems to just produce random bytes… I’m absolutely stumped :S”
nc ctf.k3rn3l4rmy.com 2239
This challenge was part of our very first CTF, K3RN3LCTF 2021.