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From: zohar@linux.vnet.ibm.com (Mimi Zohar)
To: linux-security-module@vger.kernel.org
Subject: [Linux-ima-devel] [PATCH v2 4/5] keys, trusted: modify arguments of tpm_pcr_extend()
Date: Tue, 30 May 2017 08:06:01 -0400	[thread overview]
Message-ID: <1496145961.3841.537.camel@linux.vnet.ibm.com> (raw)
In-Reply-To: <d124bdbc-6a64-7761-47f5-1580979009bd@huawei.com>

On Tue, 2017-05-30 at 09:36 +0200, Roberto Sassu wrote:
> On 5/30/2017 5:35 AM, Mimi Zohar wrote:
> > On Fri, 2017-05-05 at 16:21 +0200, Roberto Sassu wrote:
> >> pcrlock() has been modified to pass the correct arguments
> >> to tpm_pcr_extend(): the pointer of a tpm2_digest structure containing
> >> a random value generated by tpm_get_random() and the size of the array (1).
> >
> > If the number of arguments is wrong, that means the patch that
> > introduced the change is not bi-sect safe.  (This comment is
> > applicable to patch 5/5 too.)
> 
> Jarkko (the TPM driver maintainer) asked me to not introduce
> a new function to pass multiple digests, but to modify
> the parameters of tpm_pcr_extend().

Since struct tpm2_digest is a static size, shouldn't we be able to
compute the number of digests?

Mimi

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  reply	other threads:[~2017-05-30 12:06 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-05 14:21 [PATCH v2 0/5] Updated API for TPM 2.0 PCR extend Roberto Sassu
2017-05-05 14:21 ` [PATCH v2 1/5] tpm: introduce tpm_pcr_algorithms() Roberto Sassu
2017-05-15 10:36   ` Jarkko Sakkinen
2017-05-15 13:18     ` Roberto Sassu
2017-05-17  8:42       ` Roberto Sassu
2017-05-20 13:18         ` Jarkko Sakkinen
2017-05-22  9:07           ` Roberto Sassu
2017-05-24 17:35             ` Jarkko Sakkinen
2017-05-30  8:44               ` Roberto Sassu
2017-05-31 11:39                 ` Jarkko Sakkinen
2017-05-20 13:00       ` Jarkko Sakkinen
2017-05-05 14:21 ` [PATCH v2 2/5] tpm: introduce tpm_pcr_algo_to_crypto() and tpm_pcr_algo_from_crypto() Roberto Sassu
2017-05-15 11:16   ` Jarkko Sakkinen
2017-05-15 14:22     ` Roberto Sassu
2017-05-20 13:22       ` Jarkko Sakkinen
2017-05-22  7:21         ` Roberto Sassu
2017-05-24 17:33           ` Jarkko Sakkinen
2017-05-24 20:25             ` Jarkko Sakkinen
2017-05-30 10:24               ` Roberto Sassu
2017-05-31 11:40                 ` Jarkko Sakkinen
2017-05-05 14:21 ` [PATCH v2 3/5] tpm: pass multiple digests to tpm_pcr_extend() Roberto Sassu
2017-05-30  3:29   ` [Linux-ima-devel] " Mimi Zohar
2017-05-30  7:28     ` Roberto Sassu
2017-05-30 11:25       ` Mimi Zohar
2017-05-30 13:25         ` Roberto Sassu
2017-05-05 14:21 ` [PATCH v2 4/5] keys, trusted: modify arguments of tpm_pcr_extend() Roberto Sassu
2017-05-30  3:35   ` [Linux-ima-devel] " Mimi Zohar
2017-05-30  7:36     ` Roberto Sassu
2017-05-30 12:06       ` Mimi Zohar [this message]
2017-05-30 13:41         ` Roberto Sassu
2017-05-05 14:21 ` [PATCH v2 5/5] ima: " Roberto Sassu

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