Hi,
There is a bug in hash_module function.
My machine is tpm2.0. As I have no machine of tpm1.2, I don't know whether it
has the same issue for the machine of tpm1.2.
When I set extpol=agile in the command line of tboot, module 1 can't be
measured.
Below is the related section of the TBOOT outp
These are very likely to be OEM BIOS bugs - if you escalate to your server OEM,
they can create fixes. We started testing TXT on enterprise clients almost 10
years ago. It took a while for OEMs (Dell, Lenovo, HP) to roll out TXT fixes,
but they all did eventually. Server and workstation TXT m
My HP z240 workstation occassionaly refuses to boot at all if I yank out the
power cable while in TXT mode.
Solution: leave power disconnected for >5 minutes, then reset BIOS (yes,
really).
I had similiar issues with Lenovo system.
I don’t think OEMs test anything...
Jan
> On 26 Feb 2018, at
On TXT-enabled vPro client devices (e.g. Dell 7040) that have been tested with
OpenXT, Xen and OpenEmbedded measured launch [1], if you use the hardware power
switch to perform a non-graceful shutdown of an operating system that was
booted with TXT, the following will occur:
(a) User presses
