[118316] in Cypherpunks
RE: Steganos
daemon@ATHENA.MIT.EDU (Lucky Green)
Fri Sep 24 22:00:03 1999
From: "Lucky Green" <shamrock@cypherpunks.to>
To: "John A. Limpert" <johnl@radix.net>
Cc: "Cypherpunks" <cypherpunks@toad.com>
Date: Thu, 23 Sep 1999 23:26:56 -0700
Message-ID: <NDBBIFGOKODBCKDGJDKLKEMBCHAA.shamrock@cypherpunks.to>
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Reply-To: "Lucky Green" <shamrock@cypherpunks.to>
Actually, erasing data from modern hard drives to protect against a forensic
analysis tread model is a exceedingly difficult task. For an intro, see
Peter Gutman's paper on the topic.
--Lucky Green <shamrock@cypherpunks.to>
> -----Original Message-----
> From: owner-cypherpunks@Algebra.COM
> [mailto:owner-cypherpunks@Algebra.COM]On Behalf Of John A. Limpert
> Sent: Thursday, September 23, 1999 20:15
> To: Ragnar Hojland Espinosa; Jeff T Gordon
> Cc: Jean-Francois Avon; Cypherpunks
> Subject: Re: Steganos
>
>
>
> I thought that only applied to old hard drives that used open
> loop, stepper
> motor positioners. Don't all modern hard drives use closed loop, embedded
> servo, voice coil positioners?
>
> I remember having to wait for drive temperature stabilization before low
> level formatting some of the original Maxtor SCSI drives.
>
> ----------
> >From: Ragnar Hojland Espinosa <ragnar@lightside.dhis.org>
> >
> > On Tue, Sep 21, 1999 at 11:12:12PM -0000, Jeff T Gordon wrote:
> >> 3.encrypt each set of doc's sepratly useing differnt keys
> >> 4.Wipe original file with 23 passes
> >
> > You will have more success wiping out files if the HD
> temperature at which
> > your write and the temperature at which you wipe are similar [0]
> >
> > [0] Obviously temperature at boot time and post boot time
> arent similar.
>
>
