1994-01-07 - Slack area behind files

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From: edgar@spectrx.saigon.com (Edgar W. Swank)
To: Cypherpunks <cypherpunks@toad.com>
Message Hash: 17b62446919f4d772426b7607349c367d5b86b67dee1b90b49d9e5800c53b33c
Message ID: <iJDsFc8w165w@spectrx.saigon.com>
Reply To: N/A
UTC Datetime: 1994-01-07 14:24:44 UTC
Raw Date: Fri, 7 Jan 94 06:24:44 PST

Raw message

From: edgar@spectrx.saigon.com (Edgar W. Swank)
Date: Fri, 7 Jan 94 06:24:44 PST
To: Cypherpunks          <cypherpunks@toad.com>
Subject: Slack area behind files
Message-ID: <iJDsFc8w165w@spectrx.saigon.com>
MIME-Version: 1.0
Content-Type: text/plain


Hal Finney brought up the problem of securely wiping files stored
on a "compressed" disk a la Stacker, DoublesSpace, or (in my case)
SuperStor.

I have modified (my copy of) PGP so that the wipe function uses
pseudo-random data rather than zeroes to over-write files.  This
change -should- appear in the next release of PGP.  It's a fairly
simple change. I'll supply source diff's on request.

--
edgar@spectrx.saigon.com (Edgar W. Swank)
SPECTROX SYSTEMS +1.408.252.1005  Cupertino, Ca






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