tcgbios: Check for enough bytes returned from TPM2_GetCapability

When querying a TPM 2.0 for its PCRs, make sure that we get enough bytes
from it in a response that did not indicate a failure. Basically we are
defending against a TPM 2.0 sending responses that are not compliant to
the specs.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
1 file changed
tree: f9070c75f5ed47ba8b9241ef58035c4a140fec15
  1. .gitignore
  2. COPYING
  3. COPYING.LESSER
  4. Makefile
  5. README
  6. docs/
  7. scripts/
  8. src/
  9. vgasrc/