FileVault on other than home directories on MacOS?

Ashish Gulhati crypto at
Mon Sep 21 20:14:49 EDT 2009

On Sep 22, 2009, at 6:57 AM, Steven Bellovin wrote:
> Is there any way to use FileVault on MacOS except on home
> directories?  I don't much want to use it on my home directory; it
> doesn't play well with Time Machine (remember that availability is
> also a security property); besides, different directories of mine
> have different sensitivity levels.
> I suppose I could install TrueCrypt (other suggestions or comments
> on TrueVault?), but I prefer to minimize the amount of extra
> software I have to maintain.

Hi Steven

You can just use encrypted disk images, which is IIRC what FileVault

In Disk Utility -> New Image, select size, properties and encryption
type (AES 128 or 256) and Create.

Then mount and use your encrypted disks as needed.


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