Re: [gentoo-security] Secure deletion of files...

[CRV§ADER//KY]

On Tuesday 27 April 2004 15:50, M. Steffan Noé wrote:
> Hello everybody
> I just saw the comment about THC-SecureDelete on this website
>
> http://www.thc.org/releases.php
>
> > This is the best secure data deletion toolkit! If you overwrite a file
> > for 10+ times, it can still be recovered. Read why and use the programs
> > included (w/src!). These tools can wipe files, free disk space, swap and
> > memory! Changes: Linux LKM for secure file deletion included, small
> > bufixes.
>
> and asked myself if this wouldn't be a good enhancement... inside of the
> linux kernel...
>
> Not only for security. I think if you delete a file with zeros you would
> greatly enhance compression on dd backups. As far as i know the kernel just
> removes the directory entry.
>
> The disadvantage of such a secure deletion would be an impact in
> performance i think...
>
> What do you think about that?
> Steffan Noé

You mean, add a mount option to use wipe instead of standard delete?

Mmmh. That wouldn't be bad to use with your /home partition, in some 
situations in which performance is unrelevant when compared to security 
(because you'd get an enormous performance leak).
I like it.

-- 
[] Guido Imperiale
[] CRV§ADER//KY
[] CVI.SCIENTIA.IMPERIVM

crusaderky at libero dot it
http://www.crusaderky.altervista.org


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