Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 3 Dec 2004 22:17:21 +0100
From:      Pawel Jakub Dawidek <pjd@FreeBSD.org>
To:        John-Mark Gurney <gurney_j@resnet.uoregon.edu>
Cc:        freebsd-geom@freebsd.org
Subject:   Re: More geom classes?
Message-ID:  <20041203211721.GG813@darkness.comp.waw.pl>
In-Reply-To: <20041202191954.GE813@darkness.comp.waw.pl>
References:  <41AF3FCE.1030405@fer.hr> <20041202183559.GH19624@funkthat.com> <20041202191954.GE813@darkness.comp.waw.pl>

next in thread | previous in thread | raw e-mail | index | archive | help

--PpAOPzA3dXsRhoo+
Content-Type: text/plain; charset=iso-8859-2
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Thu, Dec 02, 2004 at 08:19:54PM +0100, Pawel Jakub Dawidek wrote:
+> I was thinking about simlar thing, as we use simlar mechanisms at work
+> to share a secret between a few smart cards.
+>=20
+> I'm also not sure if CD-ROM with static random data will be safe enough.
+> I want to generate random data before every write, xor data with generat=
ed
+> random data and write both. It should also be faster, as I don't need to
+> read random data first. It could be less safe from data integrity point
+> of view in case of a power failure, when write request reach only one
+> component.
+>=20
+> We can also implement both:)
+>=20
+> I think, I can do it quite fast.

I already did it, btw. It is in perforce: pjd_geom_classes.

--=20
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd@FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

--PpAOPzA3dXsRhoo+
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.2.4 (FreeBSD)

iD8DBQFBsNfhForvXbEpPzQRAqDUAKCO/T0nvaoHQL5cBvdvRGFw48x+/gCdFyk2
0XKTDxinpKK9yKmBr0KDNbM=
=xpoD
-----END PGP SIGNATURE-----

--PpAOPzA3dXsRhoo+--



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20041203211721.GG813>