Tags: crypto 

Rating:

TLDR;
- Time is used as key
- Bruteforce the key

[writeup](https://www.josephsurin.me/posts/2020-03-30-volgactf-2020-qualifier-writeups#noname)

Original writeup (https://jsur.in/posts/2020-03-30-volgactf-2020-qualifier-writeups#noname).