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From: Petr Vorel <pvorel@suse.cz>
To: Mimi Zohar <zohar@linux.ibm.com>
Cc: linux-integrity@vger.kernel.org, Mimi Zohar <zohar@linux.vnet.ibm.com>
Subject: Re: [PATCH ima-evm-utils] cmd_ima_bootaggr: Fix for systems without TPM 2.0
Date: Thu, 18 Jun 2020 20:59:26 +0200	[thread overview]
Message-ID: <20200618185926.GB20597@dell5510> (raw)
In-Reply-To: <1592504434.4615.56.camel@linux.ibm.com>

Hi Mimi,

NOTE: this is for systems with TPM 1.2 (not for system without any TPM).

> On Thu, 2020-06-18 at 20:10 +0200, Petr Vorel wrote:
> > For both kernel with and without CONFIG_IMA=y.

> > NOTE: ima_boot_aggregate was added in dc00c92, without TPM 2.0
> > it just reported:
> > EVP_DigestInit() failed
> > (null):

> > Fixes: 917317a ("ima_evm_utils: emit the per TPM PCR bank
> > "boot_aggregate" values")

> > Signed-off-by: Petr Vorel <pvorel@suse.cz>

> I don't have a problem with accepting this solution, but I think the
>  real problem is that hash_info.h is not included in the kernel-
> headers package on the system.  One solution would be to include a
> default hash_info.h file in ima-evm-utils and fall back to using it.
Thanks for a quick answer. I'm not sure if this is a best approach.
But I have /usr/include/linux/hash_info.h on all systems
I tested (4.15 from openSUSE and 5.6.13 on Debian).

Kind regards,
Petr

      reply	other threads:[~2020-06-18 18:59 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-18 18:10 [PATCH ima-evm-utils] cmd_ima_bootaggr: Fix for systems without TPM 2.0 Petr Vorel
2020-06-18 18:20 ` Mimi Zohar
2020-06-18 18:59   ` Petr Vorel [this message]

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