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From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: linux-integrity@vger.kernel.org, Mimi Zohar <zohar@linux.ibm.com>
Subject: Re: [PATCH 0/8] Fix TPM 2.0 trusted keys
Date: Mon, 09 Dec 2019 12:57:04 -0800	[thread overview]
Message-ID: <1575925024.31378.28.camel@HansenPartnership.com> (raw)
In-Reply-To: <20191209202024.GJ19243@linux.intel.com>

On Mon, 2019-12-09 at 22:20 +0200, Jarkko Sakkinen wrote:
> On Sat, Dec 07, 2019 at 09:06:40PM -0800, James Bottomley wrote:
> > The big problem with this patch is still that we can't yet combine
> > policy with authorization because that requires proper session
> > handling, but at least with this rewrite it becomes possible
> > (whereas it was never possible with the old external policy session
> > code). Thus, when we have the TPM 2.0 security patch upstream,
> > we'll be able to use the session logic from that patch to imlement
> > authorizations.
> 
> This essentially means that this is an RFC, not something that can be
> merged at this point before whatever you mean by proper has been
> landed.

No it doesn't.  It just means we have a limitation in the keys that
needs to be removed at a later time when we have the authentication
mechanisms.  Since there will simply be a feature added with no
backward compat problems, it's not a merge blocker.

James


      reply	other threads:[~2019-12-09 20:57 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-08  5:06 [PATCH 0/8] Fix TPM 2.0 trusted keys James Bottomley
2019-12-08  5:07 ` [PATCH 1/8] security: keys: trusted: flush the key handle after use James Bottomley
2019-12-09  8:31   ` David Woodhouse
2019-12-09 15:38     ` James Bottomley
2019-12-08  5:08 ` [PATCH 2/8] lib: add asn.1 encoder James Bottomley
2019-12-09  8:50   ` David Woodhouse
2019-12-09 15:46     ` James Bottomley
2019-12-09 22:05   ` Matthew Garrett
2019-12-09 22:43     ` James Bottomley
2019-12-08  5:09 ` [PATCH 3/8] oid_registry: Add TCG defined OIDS for TPM keys James Bottomley
2019-12-09  8:55   ` David Woodhouse
2019-12-09 16:21     ` James Bottomley
2020-06-19 20:45     ` Wiseman, Monty (GE Research, US)
2020-06-19 22:50       ` Jerry Snitselaar
2020-06-20 15:36       ` James Bottomley
2020-06-23  1:17       ` Jarkko Sakkinen
2019-12-08  5:10 ` [PATCH 4/8] security: keys: trusted: use ASN.1 tpm2 key format for the blobs James Bottomley
2019-12-09 10:04   ` David Woodhouse
2019-12-09 16:31     ` James Bottomley
2019-12-08  5:11 ` [PATCH 5/8] security: keys: trusted: Make sealed key properly interoperable James Bottomley
2019-12-09 10:09   ` David Woodhouse
2019-12-09 17:23     ` James Bottomley
2019-12-08  5:12 ` [PATCH 6/8] security: keys: trusted: add PCR policy to TPM2 keys James Bottomley
2019-12-09 10:18   ` David Woodhouse
2019-12-09 18:03     ` James Bottomley
2019-12-09 18:44       ` David Woodhouse
2019-12-09 19:11         ` James Bottomley
2019-12-25 17:08           ` Ken Goldman
2019-12-08  5:13 ` [PATCH 7/8] security: keys: trusted: add ability to specify arbitrary policy James Bottomley
2019-12-08  5:14 ` [PATCH 8/8] security: keys: trusted: implement counter/timer policy James Bottomley
2019-12-09 20:20 ` [PATCH 0/8] Fix TPM 2.0 trusted keys Jarkko Sakkinen
2019-12-09 20:57   ` James Bottomley [this message]

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