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Date:      21 May 1999 18:59:32 +0200
From:      Dag-Erling Smorgrav <des@flood.ping.uio.no>
To:        gc <gc@virtual-pc.com>
Cc:        tim@iafrica.com.na, Joel Maslak <jmaslak@wind-river.com>, security@FreeBSD.ORG
Subject:   Re: Secure Deletion
Message-ID:  <xzpyaiipde3.fsf@localhost.ping.uio.no>
In-Reply-To: gc's message of "Fri, 21 May 1999 09:31:16 %2B0100"
References:  <3.0.6.32.19990520095507.00840010@india.wind-river.com> <374474D4.2263@iafrica.com.na> <374519D4.403016C2@virtual-pc.com>

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gc <gc@virtual-pc.com> writes:
> Could someone enlighten me as to why the first move is not to write back
> an inverted copy of the data to even out the residual field before
> resorting to other patterns? (this assumes you are deleting a file and
> thus still have the data before you start).

Because an inverted copy is encoded (almost) exactly like the original
copy.

DES
-- 
Dag-Erling Smorgrav - des@flood.ping.uio.no


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