BkPctf - Kendall

I was going to write how to solve Kendall, a "pwn" challenge, but the author posted a nice write up I probably spent a good hour and a half looking at the binary trying to see if something is exploitable (good job!) before I managed to figure out the DNS…

BkPctf - Wood Island and Orient Heights

This weekend was the Boston Key Party Ctf. There were a bunch of challenge, and my team did pretty well (top 10) even though we didn't have a lot of our regulars. Two of the problems involved signing a string "There is no need to be upset" using Elgamal signing.…

Ironman Lake Placid Pictures

Well, I'm finally getting around to posting pictures. First I had to figure out what blogging engine I wanted to use, then I had to figure out what theme, and then I had to figure out what iamge popup to use.. and then what thumbnailer. I still need to figure…

LED Tie Bar - Software

The software isn't my best work. I did try to make the effects and color generation abstract, which is why I ended up using a Teensy vs an Trinket Pro or similar. I just needed more processing power. The software that was loaded when I gave them out as gifts…

LED Tie Bar - Hardware

Parts list For each: Generic Metal Tie Bar - http://amzn.com/B00E5YW8L6 Teensy 3.1 - https://www.adafruit.com/products/1625 NeoPixel Stick w/8 Pixels - https://www.adafruit.com/products/1426 Micro Lipo Charger - https://www.adafruit.com/products/1304 500mAh LiPo Battery - https:…