Rating:

**Full write-up (+files):** [https://www.sebven.com/ctf/2021/11/14/K3RN3LCTF2021-Aint-no-Mountain-High_Enough.html](https://www.sebven.com/ctf/2021/11/14/K3RN3LCTF2021-Aint-no-Mountain-High_Enough.html)

Cryptography – 500 pts (1 solve) – Chall author: Polymero (me)

“Hills are easy to climb, but mountains? Hoho, they sure are something else!”

nc ctf.k3rn3l4rmy.com 2238

Note: Wrap the flag with flag format (flag{})

Files: mountaincipher.py, server.py

This challenge was part of our very first CTF, K3RN3LCTF 2021.

Original writeup (https://www.sebven.com/ctf/2021/11/14/K3RN3LCTF2021-Aint-no-Mountain-High_Enough.html).