Chinese: https://github.com/10secTW/ctf-writeup/blob/master/2019/SECCON%20CTF%20quals/PPKeyboard/README_zh.md

English: https://github.com/10secTW/ctf-writeup/blob/master/2019/SECCON%20CTF%20quals/PPKeyboard/README_en.md

Original writeup (https://github.com/10secTW/ctf-writeup/blob/master/2019/SECCON%20CTF%20quals/PPKeyboard/README_en.md).