Date: Fri, 19 Nov 1999 10:47:57 +0100 From: Christoph Splittgerber <cs@sdata.de> To: Barrett Richardson <barrett@phoenix.aye.net> Cc: freebsd-security@FreeBSD.ORG Subject: Re: secure filesystem wiping Message-ID: <38351CCD.D2800B0@sdata.de> References: <Pine.BSF.4.01.9911182331400.18537-100000@phoenix.aye.net>
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Barrett Richardson wrote: > How about pseudo-random data? Aren't the passes with random data just > a little extra icing? > See also documentation for the -w (wipe) option of pgp (release 2.6.x). The idea is that, if you can guess the pattern which is used for overwriting, which is the case if one can guess the seed for your pseudo random data, it's not worth too much. I think it all boils down to 1) How predictable is your seed 2) How many bits are used for seeding. Christoph To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message
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