secure deletion

[Gregory Sutter]

On Thu, May 20, 1999 at 04:42:18PM +1000, Darren Reed wrote:
> In some email I received from Wes Peters, sie wrote:
> > Warner Losh wrote:
> > > 
> > > Does it doe the DoD recommended patter of deletion?  That is overwrite
> > 
> > The standard used to be 100 overwrites of 0xe5 then 0x5e, but they 
> > changed the standard just as I was leaving the defense industry in
> > 1991.  Does Posix or SUS have anything to say about this?
> 
> I'd worry about this sort of thing when and if FreeBSD is ever used for
> storing of (officially) classified/confidential material and even then,
> the solution is likely to be to take a hammer or drill to the disks.

If someone is going to be coding this, it would be better to code it
correctly the first time than have to add it later.  It seems easy 
enough to add--after the first bit compare, should that be enabled,
have a second for 'quick' or 'secure' zeroing.
 
> Lets try being a little realistic, eh ?

Thorough != unrealistic.

Greg
-- 
Gregory S. Sutter                  Failing sardine factory cans employees!
mailto:gsutter at pobox.com
http://www.pobox.com/~gsutter/
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