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Re: [saag] Common labeled security (comment on CALIPSO, labeled NFSv4)

Nicolas Williams <Nicolas.Williams@sun.com> Mon, 06 April 2009 15:54 UTC

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Date: Mon, 06 Apr 2009 10:16:06 -0500
From: Nicolas Williams <Nicolas.Williams@sun.com>
To: Santosh Chokhani <SChokhani@cygnacom.com>
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Cc: selinux@tycho.nsa.gov, labeled-nfs@linux-nfs.org, Kurt Zeilenga <Kurt.Zeilenga@Isode.com>, nfsv4@ietf.org, saag@ietf.org, nfs-discuss@opensolaris.org
Subject: Re: [saag] Common labeled security (comment on CALIPSO, labeled NFSv4)
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On Mon, Apr 06, 2009 at 07:03:32AM -0400, Santosh Chokhani wrote:
> I view SPIF as performing the following functions: converting machine to
> human representation and vice versa; establishing equivalency between
> two labeling policies, and defining which labels with the lattice are
> valid and which are invalid.

If I understand Russ' comment correctly the difficulty with SPIF lies in
the label equivalency concept.  I think there's a better solution for
dealing with the idea that parts of a policy are classified differently
than others.

Nico
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