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From: James Bottomley <jejb@linux.ibm.com>
To: Richard Weinberger <richard.weinberger@gmail.com>,
	Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: "Jarkko Sakkinen" <jarkko@kernel.org>,
	"Horia Geantă" <horia.geanta@nxp.com>,
	"Mimi Zohar" <zohar@linux.ibm.com>,
	"Aymen Sghaier" <aymen.sghaier@nxp.com>,
	"Herbert Xu" <herbert@gondor.apana.org.au>,
	"David S. Miller" <davem@davemloft.net>,
	kernel@pengutronix.de, "David Howells" <dhowells@redhat.com>,
	"James Morris" <jmorris@namei.org>,
	"Serge E. Hallyn" <serge@hallyn.com>,
	"Steffen Trumtrar" <s.trumtrar@pengutronix.de>,
	"Udit Agarwal" <udit.agarwal@nxp.com>,
	"Jan Luebbe" <j.luebbe@pengutronix.de>,
	"David Gstir" <david@sigma-star.at>,
	"Franck LENORMAND" <franck.lenormand@nxp.com>,
	"Sumit Garg" <sumit.garg@linaro.org>,
	linux-integrity@vger.kernel.org, keyrings@vger.kernel.org,
	"Linux Crypto Mailing List" <linux-crypto@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	LSM <linux-security-module@vger.kernel.org>
Subject: Re: [PATCH v1 0/3] KEYS: trusted: Introduce support for NXP CAAM-based trusted keys
Date: Tue, 30 Mar 2021 15:16:43 -0700	[thread overview]
Message-ID: <f01c80a0da7cffd3115ce4e16a793a2db5cbe2ed.camel@linux.ibm.com> (raw)
In-Reply-To: <CAFLxGvwNomKOo3mQLMxYGDA8T8zN=Szpo2q5jrp4D1CaMHydWA@mail.gmail.com>

On Wed, 2021-03-31 at 00:04 +0200, Richard Weinberger wrote:
> Ahmad,
> 
> On Wed, Mar 17, 2021 at 3:08 PM Ahmad Fatoum <a.fatoum@pengutronix.de
> > wrote:
> >     keyctl add trusted $KEYNAME "load $(cat ~/kmk.blob)" @s
> 
> Is there a reason why we can't pass the desired backend name in the
> trusted key parameters?
> e.g.
> keyctl add trusted $KEYNAME "backendtype caam load $(cat ~/kmk.blob)"
> @s

Why would you want to in the load?  The blob should be type specific,
so a TPM key shouldn't load as a CAAM key and vice versa ... and if
they're not they need to be made so before the patches go upstream.

I could possibly see that you might want to be type specific in the
create, but once you're simply loading an already created key, the
trusted key subsystem should be able to figure what to do on its own.

James



  reply	other threads:[~2021-03-30 22:17 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-16 17:01 [PATCH v1 0/3] KEYS: trusted: Introduce support for NXP CAAM-based trusted keys Ahmad Fatoum
2021-03-16 17:01 ` [PATCH v1 1/3] crypto: caam - add in-kernel interface for blob generator Ahmad Fatoum
2021-03-21 20:46   ` Horia Geantă
2021-03-23 16:41     ` Ahmad Fatoum
2021-03-16 17:01 ` [PATCH v1 2/3] KEYS: trusted: implement fallback to kernel RNG Ahmad Fatoum
2021-03-16 17:01 ` [PATCH v1 3/3] KEYS: trusted: Introduce support for NXP CAAM-based trusted keys Ahmad Fatoum
2021-03-16 19:22   ` Jarkko Sakkinen
2021-03-17 13:58     ` Ahmad Fatoum
2021-03-16 23:14   ` Richard Weinberger
2021-03-17  7:39     ` Sumit Garg
2021-03-17  8:07       ` Richard Weinberger
2021-03-17 14:02     ` Ahmad Fatoum
2021-03-30 21:28       ` Richard Weinberger
2021-03-21 20:48   ` Horia Geantă
2021-03-23 16:35     ` Ahmad Fatoum
2021-03-23 18:07       ` Mimi Zohar
2021-03-24  9:26         ` Ahmad Fatoum
2021-03-24 10:47           ` Sumit Garg
2021-03-24 14:07             ` Ahmad Fatoum
2021-03-25  5:26               ` Sumit Garg
2021-03-27 12:41                 ` David Gstir
2021-03-28 20:37                   ` Jarkko Sakkinen
2021-03-29 10:11                     ` Ahmad Fatoum
2021-03-31 23:29                       ` Jarkko Sakkinen
2021-03-30  7:26                     ` Sumit Garg
2021-03-31 23:30                       ` Jarkko Sakkinen
2021-04-01  7:41                         ` Ahmad Fatoum
2021-03-30 21:47                     ` Eric Biggers
2021-03-31 23:31                       ` Jarkko Sakkinen
2021-03-31 23:34                         ` Eric Biggers
2021-04-01  1:11                           ` Herbert Xu
2021-04-01  5:50                             ` Jarkko Sakkinen
2021-04-01  6:03                               ` Eric Biggers
2021-04-01  5:46                           ` Jarkko Sakkinen
2021-03-24 16:14         ` James Bottomley
2021-03-24 20:49           ` Mimi Zohar
2021-03-24 21:58             ` James Bottomley
2021-04-02  1:49           ` Serge E. Hallyn
2021-03-31 18:35   ` Richard Weinberger
2021-04-01 10:15     ` Ahmad Fatoum
2021-04-01 10:23       ` Richard Weinberger
2021-03-16 23:10 ` [PATCH v1 0/3] " Richard Weinberger
2021-03-17 14:08   ` Ahmad Fatoum
2021-03-30 21:50     ` Richard Weinberger
2021-04-01 10:04       ` Ahmad Fatoum
2021-04-01 10:20         ` Richard Weinberger
2021-04-01 10:28           ` Ahmad Fatoum
2021-04-01 10:53             ` Richard Weinberger
2021-04-01 10:57               ` Ahmad Fatoum
2021-04-01 11:05                 ` Richard Weinberger
2021-04-01 11:13                   ` Ahmad Fatoum
2021-04-01 11:16                     ` Richard Weinberger
2021-03-30 22:04     ` Richard Weinberger
2021-03-30 22:16       ` James Bottomley [this message]
2021-03-31 18:36         ` Richard Weinberger
2021-03-31 18:49           ` James Bottomley
2021-03-31 19:36             ` Richard Weinberger
2021-04-01 10:06               ` Ahmad Fatoum
2021-04-01 13:20                 ` Sumit Garg
2021-04-01 18:26                   ` James Bottomley
2021-04-01 12:55       ` Sumit Garg
2021-04-01 13:17         ` Richard Weinberger
2021-04-01 13:30           ` Ahmad Fatoum
2021-04-01 13:52             ` Sumit Garg
2021-04-01 13:59               ` Richard Weinberger
2021-04-01 14:12                 ` Sumit Garg
2021-04-01 11:11     ` David Howells
2021-03-21 20:01 ` Horia Geantă
2021-03-23 16:34   ` Ahmad Fatoum
2021-03-24  6:23     ` Sumit Garg
2021-03-23 16:37   ` Ahmad Fatoum

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