linux-kernel - Re: [PATCH v2 3/3] tpm: retrieve digest size of unknown algorithms with PCR read

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Message-ID: <20180917211622.GC6716@linux.intel.com>
Date:   Tue, 18 Sep 2018 00:16:22 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Roberto Sassu <roberto.sassu@...wei.com>
Cc:     linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 3/3] tpm: retrieve digest size of unknown algorithms
 with PCR read

On Mon, Sep 17, 2018 at 12:02:56PM +0200, Roberto Sassu wrote:
> This code has the same behavior of tpm2_get_pcr_allocation(). If some
> banks are not used, set the algorithm of the first unused to
> TPM_ALG_ERROR.

My point is that maybe it would sense to use zero for that in order
to make code a bit simpler.

/Jarkko