On: CipherShed, the Truecrypt fork

[blueskin_]

Seems the source has been 1984'd, but a while ago there were leaked Microsoft internal slides about how they store everyone's bitlocker key.

[tptacek → blueskin_]

They store the keys of people who give them their keys.

Microsoft's code is the most heavily reverse engineered in the industry. It's 2014, not 1995; you can't summon a "closed source" boogieman to win arguments about what they do and don't do.