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2017
101

Unravelling Konami's Arcade DRM

It’s well known that Konami doesn’t have complex protection on its arcade systems. Programmed World was a fan-made network replacement and update service for Konami arcade games with no support outside of Japan. Nothing of its scale and quality had been seen before, and nothing has been seen since, despite other…

107

Kernel debugging for newbies

This week, I’ve been working on an application that sets up IPsec connections. PF_KEYv2 is the standard interface for configuring IPsec. PF_KEYv2 is widely-available; even systems with more advanced IPsec stacks (like XFRM on Linux) provide a PF_KEYv2-compatible wrapper. I want my application to work on OS X and…

115

Matrices from a geometric perspective

Graphics is all about geometry. In particular, there are points that have a certain color, and the pattern of colors gives you a certain picture. You can change the way the points are distributed by applying certain transformations like translation (movement), rotation and scaling. While most people familiar with the…