GreHack CTF – Casting reverse challenge into cryptanalysis challenge
Grehack ctf WRITEUP Casting reverse challenge into cryptanalysis challenge In mid-November, I participated in the GreHack CTF with my team (Phreaks 2600), and the challenge I will present was one of the problems featured in the competition. Interestingly, only two other teams managed to solve it, this makes it a particularly intriguing challenge, categorized under…