On Tue, 23 Sep 2014, Jordan wrote: > http://xenbits.xen.org/docs/unstable/misc/vtpm.txt > What I cannot find is the vTPM manager that distributes > vTpms to domains. The other places to read are: 1. the primary site at Berlios (this has of course gone dark) http://tpm-emulator.berlios.de/ I am not immediately sure where an external replacement now has moved to, but I have a mirror of that code about 2. the other two pieces of doco at the Xen site: http://xenbits.xen.org/docs/unstable/misc/vtpmmgr.txt http://xenbits.xen.org/docs/unstable/misc/vtpm-platforms.txt The flow of data is well described. What question is not clear from those diagrams The final v 2 spec for tpm has recently been released, although 1.2 is still in deployment. see the TPM site http://www.trustedcomputinggroup.org/ -- Russ herrold