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From: Kenneth_R_Jongsma@cup.portal.com
Newsgroups: sci.crypt
Subject: Re: Erasing magnetic media
Message-ID: <1175@cup.portal.com>
Date: Thu, 29-Oct-87 20:49:39 EST
Article-I.D.: cup.1175
Posted: Thu Oct 29 20:49:39 1987
Date-Received: Thu, 5-Nov-87 06:08:52 EST
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Others may be interested.... The actual requirement is that the media
be written with at least 100 alternating 1/0 bits. i.e 11111 00000 11111,
etc...  Some media cannot be declassified. If memory serves, the old (still
in use in the Minuteman system) core memory had to be destroyed.