From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Martin Galvan <omgalvan.86@gmail.com>
Cc: jgg@ziepe.ca, linux-integrity@vger.kernel.org
Subject: Re: caps file showing wrong TCG version?
Date: Thu, 6 Sep 2018 13:02:43 +0300 [thread overview]
Message-ID: <20180906100243.GB27302@linux.intel.com> (raw)
In-Reply-To: <CAN19L9GiTJnzWMPXLpkRWW2WSAvZx2-x0Co=Tf=V_-dUf4q3OQ@mail.gmail.com>
On Wed, Sep 05, 2018 at 02:35:12PM -0300, Martin Galvan wrote:
> El mie., 5 sept. 2018 a las 14:32, Jarkko Sakkinen
> (<jarkko.sakkinen@linux.intel.com>) escribio:
> > Those files do not make sense because you can get the same information
> > by talking to /dev/tpm0.
>
> Wouldn't that require using a lower-level interface, though? IIRC one
> of the reasons of tpm2-tools' existence is to provide a user-friendly
> way to do this. I was hoping there would be some way to do this
> without having to install tpm2-tools.
Would be trivial to write utilities that talk raw TPM 2.0 protocol and
give you equivalent information.
Some sample code from my smoke tests:
https://github.com/jsakkine-intel/tpm2-scripts
I would write such utilities in raw C though but as you can see it is
not rocket science.
/Jarkko
next prev parent reply other threads:[~2018-09-06 14:37 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-04 20:03 caps file showing wrong TCG version? Martin Galvan
2018-09-04 20:05 ` Martin Galvan
2018-09-04 20:27 ` Martin Galvan
2018-09-04 21:33 ` Jason Gunthorpe
2018-09-04 21:55 ` Martin Galvan
2018-09-05 17:32 ` Jarkko Sakkinen
2018-09-05 17:35 ` Martin Galvan
2018-09-05 17:40 ` Peter Huewe
2018-09-06 10:02 ` Jarkko Sakkinen [this message]
2018-09-05 17:30 ` Jarkko Sakkinen
2018-09-05 17:32 ` Martin Galvan
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