Sterilizing free space

[Peter]

On Tue, 3 Jan 2006, Lennart Sorensen wrote:

> On Tue, Jan 03, 2006 at 01:12:27PM -0500, Neil Watson wrote:
>> Using /dev/random may not be practical.  The system will need you to
>> generate entropy.  You'll need to give the system some mouse traffic
>> throughout the procedure.  This could take a very long time.  I'd stick
>> with /dev/zero.  No, there is no /dev/one.
>
> Depends if you use random or urandom.  One uses entrophy for quality
> random values, while the other is just pseudo random and not of high
> quality.  Probably still plenty random for wiping though.  I can never
> renember which /dev/random is which though.

However reading the Guttman paper before wasting too much time on this 
could be beneficial imho.

Peter
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