So i have a toughie for you guys.
I've been tasked with finding a full disk encryption solution that is both secure and easy on users, oh, and i can't spend any money on it -_-.
So, my thought is to use a keyfile system on a flash drive in order to authenticate at boot.
I whipped up TrueCrypt, and found that it doesn't support KeyFiles for OS encryption.
As far as i can tell, BitLocker is the only free software that can do this, but we don't have an enterprise license, so that's out.
Anyone have any thoughts?