✨ Regarding the thumbnail. This is my Discord avatar combined with Komi from the anime Komi can’t communicate, where the challenge Mystiz can’t code is referred to. Made by @byronwai. We will continue walking through the remaining crypto challenges I wrote for HKCERT CTF 2022: Mystiz can't code, Slow keystream and King of Rock, Paper, Scissors. 亞洲協會香港中心 / Mystiz can't code (Crypto) Challenge Summary Mystiz can't code! He wanted to implement Advanced Encryption Standard (...