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[Xen-users] Using TPM in dom0


  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: "Tom Buhl" <malists@xxxxxx>
  • Date: Thu, 13 Mar 2008 10:42:16 +0100
  • Delivery-date: Thu, 13 Mar 2008 03:42:52 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi,

i am using Xen 3.2.0 and want to use the TPM in dom0. I have activated vtpm and 
everything runs fine in my domUs. 
The question is, how can I access the TPM in dom0? As far as I know 
vtpm_managerd exclusively locks /dev/tpm0. As soon as I start vtpm_managerd my 
own program cannot access the TPM anymore. Is there a vtpm instance for dom0 
like the ones for the user domains?

Thanks in advance for any hints,

Tom
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