[test] Update CMS self-test terminology

Generalise CMS self-test data structure and macro names to refer to
"messages" rather than "signatures", in preparation for adding image
decryption tests.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
1 file changed
tree: dc71f9f1e6c2f06fb18b37a05178b6cf181277a3
  1. .github/
  2. contrib/
  3. src/
  4. COPYING
  5. COPYING.GPLv2
  6. COPYING.UBDL
  7. README