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From: Mimi Zohar <zohar@linux.vnet.ibm.com>
To: David Howells <dhowells@redhat.com>
Cc: keyrings@linux-nfs.org, linux-nfs@vger.kernel.org,
	linux-security-module@vger.kernel.org
Subject: Re: [PATCH] [RFC] KEYS: Add invalidation support
Date: Thu, 15 Dec 2011 16:30:17 -0500	[thread overview]
Message-ID: <1323984617.16982.21.camel@falcor> (raw)
In-Reply-To: <5110.1323954863@redhat.com>

On Thu, 2011-12-15 at 13:14 +0000, David Howells wrote:
> Mimi Zohar <zohar@linux.vnet.ibm.com> wrote:
> 
> > Not all keys can be 'refetched'.  A trusted key, sealed to a PCR, can
> > extend the PCR to prevent it from being re-loaded. Removing the trusted
> > key could prevent the instantiation/update of encrypted keys.
> 
> I meant discard and set up a new struct key not actually invalidate any real
> key store.  Is this actually a problem?  If it is, I can certainly add a flag
> to prevent struct keys from being invalidated; but that doesn't stop them from
> being unlinked or revoked.
> 
> David

We discussed it here and don't think it should be a problem.

thanks,

Mimi


      reply	other threads:[~2011-12-15 21:34 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-15 12:17 [PATCH] [RFC] KEYS: Add invalidation support David Howells
2011-12-15 12:50 ` Mimi Zohar
2011-12-15 13:14   ` David Howells
2011-12-15 21:30     ` Mimi Zohar [this message]

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