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Article #3868

Declassifying some media.

#3868
From: James T. McCartney III - DTN 381...
Date: Wed, 04 Nov 1987 18:00
11 lines
1127 bytes
 
> I am interested in 'Why' 100 alternate 1/0 writes will not declassify some
> media.  It seems to me that after 5 or so random 1/0 writes the original
> data would be so far gone that retreival by any means is impossible.
 
The reasons for this are known and are specified in the TEMPEST regulations
which describe how classified electonic and magnetic media must be handled.
This document is also classified, thus it can't be discussed in an open forum.
If you are interested and have a need to know, contact you installation 
security officer and they can provide details.
Technical Details
Message-ID: <12089@decwrl.DEC.COM>
Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!lll-winken!lll-lcc!pyramid!decwrl!io.dec.com!mccartney

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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!lll-winken!lll-lcc!pyramid!decwrl!io.dec.com!mccartney
From: mccartney@io.dec.com (James T. McCartney III - DTN 381-2244 ZK02-3R54)
Newsgroups: sci.crypt
Subject: Declassifying some media.
Message-ID: <12089@decwrl.DEC.COM>
Date: Wed, 4-Nov-87 13:00:49 EST
Article-I.D.: decwrl.12089
Posted: Wed Nov  4 13:00:49 1987
Date-Received: Sat, 7-Nov-87 10:29:03 EST
Sender: daemon@decwrl.DEC.COM
Organization: Digital Equipment Corporation
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