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a0f43d59d0
This patch makes use of a recently introduced vendor command for
password control.
The new option '-P,password' is introduced to allow the device user to
set/clear the CCD password. Command line echo is suppressed when
password is being entered, so it is required to enter it twice.
To stay consistent with the 'ccd' Cr50 console command conventions the
word 'clear' should be used as the password when one wants to clear
the CCD password. All policies for setting/clearing the password are
the same as when setting it from the Cr50 console.
BRANCH=cr50
BUG=b:62537474
TEST=set and clear password when accessing over /dev/tpm0. Verified
that attempts to set/clear password over USB fail.
Change-Id: I7721d9ce12da8b7c89fc80eaa69cb8dd001abdb8
Signed-off-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/741172
Reviewed-by: Mary Ruthven <mruthven@chromium.org>
This directory is for experiments only. It is not built automatically, required, supported, guaranteed to work, or necessarily well-documented. The contents may change without warning at any time.