linux-kernel - Re: [PATCH v5 3/3] tpm: add securityfs support for TPM 2.0 firmware event log

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Message-ID: <20161124211057.xynmfteky5r7uc27@intel.com>
Date:   Thu, 24 Nov 2016 23:10:57 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Nayna Jain <nayna@...ux.vnet.ibm.com>
Cc:     tpmdd-devel@...ts.sourceforge.net, peterhuewe@....de,
        tpmdd@...horst.net, jgunthorpe@...idianresearch.com,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 3/3] tpm: add securityfs support for TPM 2.0 firmware
 event log

On Wed, Nov 23, 2016 at 12:27:37PM -0500, Nayna Jain wrote:
> Unlike the device driver support for TPM 1.2, the TPM 2.0 does
> not support the securityfs pseudo files for displaying the
> firmware event log.
> 
> This patch enables support for providing the TPM 2.0 event log in
> binary form. TPM 2.0 event log supports a crypto agile format that
> records multiple digests, which is different from TPM 1.2. This
> patch enables the tpm_bios_log_setup for TPM 2.0  and adds the
> event log parser which understand the TPM 2.0 crypto agile format.
> 
> Signed-off-by: Nayna Jain <nayna@...ux.vnet.ibm.com>

I don't want to say much about this before I've tested it. I wonder
what cheap hardware I could use to test this. Any advice is on this
from anyone is much appreciated.

/Jarkko