Aparently the encryption used to prevent third party clients from connecting to Skype has been broken. The site that hosted the original post seems to be down, but you can find it in Google Cache. There also seems to be a directory up with the code you can read for yourself.

Here is my take on this. Skype has done a really good job of protecting this cypher so I can’t knock them for using obscurity. But this does prove a point. Even with the best obscurity you can’t keep something hidden forever. Now the real key is going to be how well Skype responds to the breach.

Meanwhile I will be reading the code

Skype’s Innermost Security Layers Claimed To Be Reverse Engineeered by Robin Wauters at TechCrunch