Date: Thu, 18 Nov 1999 23:57:36 -0700 From: Wes Peters <wes@softweyr.com> To: Kris Kennaway <kris@hub.freebsd.org> Cc: TrouBle <trouble@netquick.net>, freebsd-security@FreeBSD.ORG Subject: Re: secure filesystem wiping Message-ID: <3834F4E0.AE012B12@softweyr.com> References: <Pine.BSF.4.21.9911181733060.38437-100000@hub.freebsd.org>
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Kris Kennaway wrote: > > > I don't understand why you think that the person who wrote the Linux tool > is privy to some kind of enlightened knowledge which us poor FreeBSD'ers > (and the security researches who authored the aforementioned papers on > secure deletion) aren't. If Wes Peters wrote some impressive drivel to > attach to his 'obliterate' program about how kick-arse it is, would it > make you happier? In fact, wipe uses the same overwrite algorithm obliterate does. The problem is trouBle seems to have assumed wipe has a really neat feature that just isn't there: the ability to zot disk sectors that are not currently allocated, on a live filesystem. This is a neat idea, but well past my knowlege of filesystems at this time. > AXIOM 1) take all claims made by the vendor about the abilities of > their software with a very large handful of NaCl. > > Exercise for the novice reader: apply Axiom 1 to the Linux 'wipe' program. > > Exercise 2: apply axiom 1 to the secure deletion utility "FileSpanker" > which can be found at http://www.freebsd.org/~kris/filespanker.sh Snort. -- "Where am I, and what am I doing in this handbasket?" Wes Peters Softweyr LLC wes@softweyr.com http://softweyr.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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