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From: Mimi Zohar <zohar@linux.ibm.com>
To: James Bottomley <James.Bottomley@HansenPartnership.com>,
	linux-integrity@vger.kernel.org
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Subject: Re: [PATCH 1/1] tpm: add sysfs exports for all banks of PCR registers
Date: Tue, 21 Jul 2020 11:47:54 -0400	[thread overview]
Message-ID: <1595346474.5109.37.camel@linux.ibm.com> (raw)
In-Reply-To: <1595344015.4494.9.camel@HansenPartnership.com>

On Tue, 2020-07-21 at 08:06 -0700, James Bottomley wrote:
> On Tue, 2020-07-21 at 08:30 -0400, Mimi Zohar wrote:

> I think the sysfs output should be a pure hash to save having to
> massage it.  However, if you want the 1.2 format, this is the script I
> use:
> 
> a=0; while [ $a -lt 24 ]; do printf "PCR-%02d: " $a; cat
> /sys/class/tpm/tpm0/pcr-sha1/$a; a=$[$a+1]; done

The TPM 1.2 format is a bit different, but this provides the PCRs and
digests sequentially.

thanks,

Mimi

  reply	other threads:[~2020-07-21 15:48 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-20 15:00 [PATCH 0/1] add sysfs exports for TPM 2 PCR registers James Bottomley
2020-07-20 15:00 ` [PATCH 1/1] tpm: add sysfs exports for all banks of " James Bottomley
2020-07-21 12:30   ` Mimi Zohar
2020-07-21 15:06     ` James Bottomley
2020-07-21 15:47       ` Mimi Zohar [this message]
2020-07-21 15:52         ` James Bottomley

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