This was a keygen type challenge with 98 functions in it.
Solved it using scripting.
You can access the writeup [here](https://medium.com/@d4rkvaibhav/evlzctf-2020-6ffd672acd3?sk=578701dcf36440e40e44d864edad2144)
https://medium.com/@d4rkvaibhav/evlzctf-2020-6ffd672acd3?sk=578701dcf36440e40e44d864edad2144