veyron/security: make loadPEMKey support nil encrypted passwords.

Backward compatibility for nil encrypted passwords from old loadPEMKey
function.

Change-Id: Ic0eb4fb082dea33cc1b408ce5b2233668f101da7
5 files changed
tree: bf3f0f74cdcaf8654ba310cf2c51360e6cf59309
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/