As an alternative to FreeKey, Seacrest has released his OpenKey LiteOn 83850c drive key decrypter for XBox 360.
To quote: I just wanted to get a look at the super advanced crypto that goes into 83850c but apparently Geremia is not sharing source code for FreeKey... so one thing led to another and I ended up writing this little app while deciphering the (actually quite disappointing)...
Today Geremia has released FreeKey on the XBox-Scene forums (linked above). This is a FREE decrypter tool for the XBox 360 Lite-On DG-16D2S drive with Firmware 83850c.
Yes, thats right! Just days after the release of the iXtreme 1.6 F/W for the Lite-On 83850c, hackers decided hey, why should we pay someone to "decrypt" our DVD keys like fools? We can make an app to do it our selves.