A while ago, we worked on a custom project that included Raspberry Pi embedded computer. As a proof of concept we've built a small toy bulldozer, that uses some of the features later also used in that project.
We basically created almost complete IoT device with that Pi:
In the light of recent events with the WannaCry ransomware, I dug up my old article from 2004. The principles and logic are still valid today. Since I haven't done this in a while, I will immediatelly start with the code snippet written in C:
Recent events in the industry concerning security forced me to rethink my password handling strategy. It's been due for a long time, but I somehow always managed to evade it :-) This changed after an old buddy got his Iphone hacked. Additionally, Dropbox hack proved to be the real thing. As if that was not enough, even Yahoo admitted to being hacked back in 2014.