Add "tpmc pcrextend" command to extend a PCR
This is useful for testing different configurations without repeatedly
reflashing the firmware, e.g.
# stop tcsd
# tpmc pcr 0
0000000000000000000000000000000000000000
# tpmc pcrextend 0 c42ac1c46f1d4e211c735cc7dfad4ff8391110e9
# tpmc pcr 0
865aedd337518e56f648440b81b4cbd9359fdff3
<reboot and try another value>
BUG=none
BRANCH=none
TEST=manual
Change-Id: Ie5814ca2a3a5cf5a0eaf0ffee0385315db09bf25
Signed-off-by: Kevin Cernekee <cernekee@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/289009
Reviewed-by: Luigi Semenzato <semenzato@chromium.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
1 file changed
