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xen-devel
Re: [Xen-devel] vtpm_managerd and default passwords
On Jul 26, 2007, at 4:53 PM, Cihula, Joseph wrote:
From looking at the createkey utility source, it appears that it
creates
a SHA-1 hash of the SRK auth provided on the command line. The vTPM
Manager does not SHA the SRK auth. So I think that you will need
to add
another option to createkey that takes a provided auth as-is and then
try your file of all ff's.
Specifically, should vtpm_managerd take an SRK password as a
parameter? This seems much more sane. Does this exist already, and
I've just missed it?
vTPM Manager is not intended to run alongside other TPM applications.
It does not use a TSS, and so it would not work well to try and use
the
TPM simulataneously. Similarly, it is not the expected use model that
once you have started using vTPM Manager that you will stop it, do
some
things with the TPM, and then run it again.
Can you describe how you would like to use the TPM and vTPM?
My goal is to be able to do all of the following, though no two need
to occur simultaneously
1) Run vtpm_managerd
2) create tpm keys in the dom0
3) create vtpm keys in the domu
Fixing the createkey worked like a charm in the dom0.
I still get TPM IOErrors in the domU though.
Can keys still be created using the VTPM? Do they persist over
multiple vtpm_managerd sessions?
If keys can be created, can anyone give an idea of how to do so?
--
Luke
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