Add a certificate verifier, so that endorsement
certificates may be verified upon installation.
Doing so allows for catching certificate errors early.
BRANCH=none
BUG=chrome-os-partner:43025,chrome-os-partner:47524
TEST=all tests in test/tpm_test/tpmtest.py pass
Change-Id: I9339a6bc36e4d82ae875ce774e31848ae983fa1f
Signed-off-by: nagendra modadugu <ngm@google.com>
Reviewed-on: https://chromium-review.googlesource.com/351031
Commit-Ready: Nagendra Modadugu <ngm@google.com>
Tested-by: Nagendra Modadugu <ngm@google.com>
Reviewed-by: Bill Richardson <wfrichar@chromium.org>