Article View: sci.crypt
Article #3865Re: Erasing magnetic media
From: Joe Cychosz
Date: Mon, 02 Nov 1987 19:29
Date: Mon, 02 Nov 1987 19:29
11 lines
1265 bytes
1265 bytes
In article <1175@cup.portal.com> Kenneth_R_Jongsma@cup.portal.com writes: >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. I believe that once a media has been used for classified data, it can not be re-used for unclassified data. To dispose of, it must be destroyed. It is quite easy (given the proper equipment) to recover information that has be written over several times.
Technical Details
Message-ID:
<6964@pur-ee.UUCP>Path:
arc1-ca.pugleaf.net!utzoo!mnetor!uunet!seismo!sundc!pitstop!sun!decwrl!labrea!rutgers!bellcore!faline!ulysses!mhuxt!ihnp4!inuxc!iuvax!pur-ee!3ksnn64References:
<7566@reed.UUCP> <1175@cup.portal.com>Show Full Headers
Complete Article Headers
Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!seismo!sundc!pitstop!sun!decwrl!labrea!rutgers!bellcore!faline!ulysses!mhuxt!ihnp4!inuxc!iuvax!pur-ee!3ksnn64 From: 3ksnn64@pur-ee.UUCP (Joe Cychosz) Newsgroups: sci.crypt Subject: Re: Erasing magnetic media Message-ID: <6964@pur-ee.UUCP> Date: Mon, 2-Nov-87 14:29:22 EST Article-I.D.: pur-ee.6964 Posted: Mon Nov 2 14:29:22 1987 Date-Received: Fri, 6-Nov-87 23:21:16 EST References: <7566@reed.UUCP> <1175@cup.portal.com> Reply-To: 3ksnn64@pur-ee.UUCP (Joe Cychosz) Organization: Purdue University Engineering Computer Network Lines: 11