There's an input pool and 2 output pools but it's not like Fortuna. This is the most up to date analysis of the Linux entropy system I'm aware of http://eprint.

There's an input pool and 2 output pools but it's not like Fortuna. This is the most up to date analysis of the Linux entropy system I'm aware of http://eprint.iacr.org/2012/251.pdf http://eprint.iacr.org/2012/251.pdf