Messages in this thread | | | Date | Fri, 4 Nov 2022 11:34:31 -0700 | From | Kees Cook <> | Subject | Re: [PATCH v4 05/11] security: keys: trusted: Allow storage of PCR values in creation data |
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On Thu, Nov 03, 2022 at 11:01:13AM -0700, Evan Green wrote: > From: Matthew Garrett <matthewgarrett@google.com> > > When TPMs generate keys, they can also generate some information > describing the state of the PCRs at creation time. This data can then > later be certified by the TPM, allowing verification of the PCR values. > This allows us to determine the state of the system at the time a key > was generated. Add an additional argument to the trusted key creation > options, allowing the user to provide the set of PCRs that should have > their values incorporated into the creation data. > > Link: https://lore.kernel.org/lkml/20210220013255.1083202-6-matthewgarrett@google.com/ > Signed-off-by: Matthew Garrett <mjg59@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
-- Kees Cook
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