Author Archives: samkerr
I have been trying to learn NodeJS a bit lately. I have found a good exercise to learn new language is to re-implement UNIX utilities. I decided to try to re-implement ‘wc’, which counts the number of words, characters, and … Continue reading
Apparently the last time WordPress updated itself, something changed. I noticed I was unable to login to the admin page, but the normal blog worked fine. I tried a bunch of different fixes I found online, but the problem was … Continue reading
Recently I needed to convert a Montgomery form elliptic curve (Curve25519) to Weierstrass form. This post captures some of that work and code for arbitrary Montgomery form curves as well. I am going to do a lot of math hand … Continue reading
I was pulling my hair out somewhat, trying to create a DataGrid in WPF, rather than using Winforms. Hopefully, posting my results here can help someone in the future. Leave a comment if they do!
Just a quick post to remind myself of this in the future (and hopefully help others!) Anyways, I’m working on writing a PE parser module. Part of this is listing the relative virtual addresses (RVA) of exported symbols. To figure … Continue reading
Recently, I enrolled in a class on Digital Signals and Systems. One of our first homework assignments was to implement a reverb filter and image smoother in Matlab. I’m not a Matlab expert, but I thought someone else might like … Continue reading
Background The other day, I read the following article. If you don’t want to read it, you really should. It’s awesome. Essentially, a student managed to get access to all of India’s standardized test scores and who they belonged to. … Continue reading
I’ve been playing around with some basic HTTP programs lately and noticed that Kaspersky flags them as viruses for some reason. I did some investigation and learned why and how to get around those detections.
While trying to figure out how to use the ADC on my AVR microcontrollers (not Arduino, raw AVRs!), I kept finding a variety of tutorials with examples that just didn’t work for me. I eventually got it working, so thought … Continue reading
I’ll preface this post with the fact that it will be fairly technical. I have been trying to write a Windows program which can get the EXE path of a specified process ID (PID). I found a couple different ways, … Continue reading