[ale] little math

[Jim Kinney]

On Fri, Feb 12, 2010 at 3:33 PM, Jim Popovitch <jimpop at gmail.com> wrote:

>
> The big question is whether the whole disk needs to contain entirely
> random data, or if a set of random data can be repeatedly applied to
> each sector/track/space/area/section/platter/etc.  And if so, what
> would be the minimally acceptable size of a random set of data before
> re-use.
>
> Hmm. If one knows in advance the size of the installed system then it would
take less random data to pad the balance of the drive before the encryption
makes the installed data look like background noise.

It may also be easier to use a null write process, install to encrypted form
and then pad over the nulls with random data over time. Realistically how
much secret stuff gets installed initially? The data comes later and that's
the part for protection.

-- 
-- 
James P. Kinney III
Actively in pursuit of Life, Liberty and Happiness
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://mail.ale.org/pipermail/ale/attachments/20100212/bfb7ada4/attachment-0001.html