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Date:      Wed, 15 Oct 1997 10:13:31 +0930
From:      Mike Smith <mike@smith.net.au>
To:        Wes Peters <softweyr@xmission.com>
Cc:        Terry Lambert <tlambert@primenet.com>, security@FreeBSD.ORG
Subject:   Re: C2 Trusted FreeBSD? 
Message-ID:  <199710150043.KAA00590@word.smith.net.au>
In-Reply-To: Your message of "Tue, 14 Oct 1997 10:01:37 CST." <199710141601.KAA10425@obie.softweyr.ml.org> 

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> 
> There are no incidences in which pages are returned to you with previous
> random cruft left in them?

There shouldn't be, no.

> And besides, zero-filling memory isn't sufficient, it has to be
> overwritten a number of times to make sure now residual information can
> be obtained.  These standards date back to core and even mercury-wire
> memory.  Yes, I've actually worked with computers that feature *both* in
> my career.  ;^)

If you can suggest how one goes about obtaining "residual" information 
from a saturated logic device in a synchronous memory subsystem, I'd be 
very interested in hearing it.

Or is this more specification paranoia?

mike





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