As expected an open source version of the PS3 Jailbreak has been released by french hackers Mathieulh and RichDevX. Find the source code here. Support for PS3Jailbreak’s backup manager which would technically allow piracy, has thus been disabled as this implementation targets at homebrew only.
The exploit is intended to be burnt to AT90USB and related microcontrollers like:
Congratulations to Mathieulh and RichDevX.