lkml.org 
[lkml]   [1998]   [Dec]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Wanted: Secure-delete utility for Linux

On Tue, 22 Dec 1998, Charles Cazabon wrote:

> Actually, it's all-bits-zero, all-bits-one, all-bits-zero. This prevents
> people from reading the previous data from residual magnetic fields underneath
> a disk which has simply been wiped with zeroes, etc. The complete cycle for
> each bit is enough to minimize this risk.

'badblocks -w' does this multiple times. So someone could use badblocks to
do a secure deletion ...

- clifford

-- -- -- -- -- -- -- -- -- -- -- -- --
Clifford Wolf (CEO and CTO)
The ROCK Projects Workgoup IRC: IRCnet / clifford
http://www.rock-projects.com/ http://www.clifford.at/
e-mail: c.wolf@rock-projects.com email: god@clifford.at


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:46    [from the cache]
©2003-2011 Jasper Spaans