From: Jason Gunthorpe <jgg@ziepe.ca>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: "Petr Vorel" <pvorel@suse.cz>, Nayna <nayna@linux.vnet.ibm.com>,
"Mimi Zohar" <zohar@linux.ibm.com>,
linux-integrity <linux-integrity@vger.kernel.org>,
ltp@lists.linux.it, "Piotr Król" <piotr.krol@3mdeb.com>,
"Peter Huewe" <peterhuewe@gmx.de>
Subject: Re: [LTP] [PATCH] ima: skip verifying TPM 2.0 PCR values
Date: Thu, 24 Oct 2019 20:36:02 -0300 [thread overview]
Message-ID: <20191024233602.GF23952@ziepe.ca> (raw)
In-Reply-To: <20191024191402.GB12038@linux.intel.com>
On Thu, Oct 24, 2019 at 10:14:02PM +0300, Jarkko Sakkinen wrote:
> On Thu, Oct 24, 2019 at 03:20:05PM -0300, Jason Gunthorpe wrote:
> > On Thu, Oct 24, 2019 at 08:20:23PM +0300, Jarkko Sakkinen wrote:
> > > Also replicants for durations and timeouts files would make sense for
> > > TPM 2.0.
> >
> > These ones don't meet the sysfs standard of one value per file, which
> > is why they didn't make it to tpm2
>
> They would be still useful to have available in some form as there is
> no way deduce them from the user space.
Why? Userspace doesn't refer to these values since the kernel handles
all the timeouts, right?
Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@ziepe.ca>
To: ltp@lists.linux.it
Subject: [LTP] [PATCH] ima: skip verifying TPM 2.0 PCR values
Date: Thu, 24 Oct 2019 20:36:02 -0300 [thread overview]
Message-ID: <20191024233602.GF23952@ziepe.ca> (raw)
In-Reply-To: <20191024191402.GB12038@linux.intel.com>
On Thu, Oct 24, 2019 at 10:14:02PM +0300, Jarkko Sakkinen wrote:
> On Thu, Oct 24, 2019 at 03:20:05PM -0300, Jason Gunthorpe wrote:
> > On Thu, Oct 24, 2019 at 08:20:23PM +0300, Jarkko Sakkinen wrote:
> > > Also replicants for durations and timeouts files would make sense for
> > > TPM 2.0.
> >
> > These ones don't meet the sysfs standard of one value per file, which
> > is why they didn't make it to tpm2
>
> They would be still useful to have available in some form as there is
> no way deduce them from the user space.
Why? Userspace doesn't refer to these values since the kernel handles
all the timeouts, right?
Jason
next prev parent reply other threads:[~2019-10-24 23:36 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-16 21:12 [PATCH] ima: skip verifying TPM 2.0 PCR values Mimi Zohar
2019-05-16 21:12 ` [LTP] " Mimi Zohar
2019-05-17 6:51 ` Petr Vorel
2019-05-17 6:51 ` [LTP] " Petr Vorel
2019-05-17 11:19 ` Mimi Zohar
2019-05-17 11:19 ` [LTP] " Mimi Zohar
2019-05-17 11:28 ` Petr Vorel
2019-05-17 11:28 ` [LTP] " Petr Vorel
2019-05-17 13:50 ` Nayna
2019-05-17 13:50 ` [LTP] " Nayna
2019-05-17 15:04 ` Petr Vorel
2019-05-17 15:04 ` [LTP] " Petr Vorel
2019-10-24 12:18 ` Petr Vorel
2019-10-24 12:18 ` Petr Vorel
2019-10-24 17:20 ` Jarkko Sakkinen
2019-10-24 17:20 ` Jarkko Sakkinen
2019-10-24 18:20 ` Jason Gunthorpe
2019-10-24 18:20 ` Jason Gunthorpe
2019-10-24 19:14 ` Jarkko Sakkinen
2019-10-24 19:14 ` Jarkko Sakkinen
2019-10-24 23:36 ` Jason Gunthorpe [this message]
2019-10-24 23:36 ` Jason Gunthorpe
2019-10-28 20:51 ` Jarkko Sakkinen
2019-10-28 20:51 ` Jarkko Sakkinen
2019-10-24 21:38 ` Jerry Snitselaar
2019-10-24 21:38 ` Jerry Snitselaar
2019-10-24 23:26 ` Jason Gunthorpe
2019-10-24 23:26 ` Jason Gunthorpe
2019-10-25 0:47 ` Mimi Zohar
2019-10-25 0:47 ` Mimi Zohar
2019-10-25 2:11 ` Jerry Snitselaar
2019-10-25 2:11 ` Jerry Snitselaar
2019-10-25 8:56 ` Petr Vorel
2019-10-25 8:56 ` Petr Vorel
2019-10-25 12:52 ` Serge E. Hallyn
2019-10-25 12:52 ` Serge E. Hallyn
2019-10-25 13:22 ` Mimi Zohar
2019-10-25 13:22 ` Mimi Zohar
2019-10-25 13:25 ` Petr Vorel
2019-10-25 13:25 ` Petr Vorel
2019-10-25 14:13 ` Jerry Snitselaar
2019-10-25 14:13 ` Jerry Snitselaar
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