Author Archives: Norman

About Norman

Sometimes, I write code. Occasionally, it even works.

On AppSec Day…

Posted on October 24, 2018

Last week, I had the pleasure of attending OWASP AppSec day in Melbourne. This was a productive day. On the flight to Melbourne, I stumbled upon a hypothesis as to why my initial attempt at differential electromagnetic analysis of some … Continue reading →

Posted in Bards, Jesting | Leave a comment

Power Leakage Modelling of DES

Posted on August 20, 2018

This weekend, as part of my efforts to advance my learning of power analysis, I attempted to create my own power leakage model of DES and recover a key without referring to previous work. My targets were the ATMega328p board, … Continue reading →

Posted in Bards, Computers, Jesting | Leave a comment

Magnetic Correlation Analysis of AES

Posted on August 10, 2018

Over the past week, I have attempted to replicate my power analysis work on AES using a magnetic field / H-Field probe. Unfortunately, there is little literature on the specifics of how to do this, but I was able to … Continue reading →

Posted in Bards, Computers, Jesting | Leave a comment

Some thoughts on motivation…

Posted on August 7, 2018

It’s been a while since my last quality shitpost, and it is time I shitposted again. The past year has been a time of growth for me, both in terms of pushing my technical boundaries and in terms of professional … Continue reading →

Posted in Bards, Jesting | Leave a comment

Differential Power Analysis vs AES

Posted on August 2, 2018

This post is a follow-up to my last post regarding correlation power analysis (CPA). A second technique, differential power analysis (DPA), can also be used to analyze power traces to extract information. The specific attack I will illustrate below is … Continue reading →

Posted in Bards, Computers, Jesting | Leave a comment