Hardware on Hegzploit

Breaking Boolean Masking for Software AES

me (AT) this domain (Yusuf Hegazy) — Wed, 04 Jun 2025 00:00:00 +0000

0xL4ugh24 Hardware Challenges Official Writeups

me (AT) this domain (Yusuf Hegazy) — Sat, 28 Dec 2024 00:00:00 +0000

Lately, I have been doing some hardware security research, specifically focusing on side channel stuff, this inspired me to write these challenges for the 0xL4ugh CTF.

You will find all the challenge files on this repo, at the end of the blog I will list some notable writeups by players who have completed this challenge.

Tempus

Summary: Timing side channel attack allows us to bruteforce the pin digit by digit reducing the keyspace significantly (from 10^9 to 10*9).

Tempus is the latin word for time

Low Budget Router

me (AT) this domain (Yusuf Hegazy) — Sun, 03 Dec 2023 00:00:00 +0000

In this blog post, we’ll explore three challenges from the “Not Vulnerability Research” category in CyCTF'23, held in Cairo ICT.

I managed to solve the first challenge during the CTF, and solved the remaining two afterwards. Be sure to check out the official writeup by the author. As of writing this, I haven’t read the author’s writeup to avoid being influenced by the intended solutions. Instead, I’ll guide you through my methodology and approach for solving these three challenges. Expect a long (but fun) ride, so prepare a cup of tea and enjoy the read!