Verify vbmeta_digest is valid

The RKP server performs checks that were missing in hwtrust, so
extend these checks to the hwtrust library.

Bug: 342782490
Test: cargo test
Change-Id: I6cd790c4cd42dfcccaa9375f8fe1f20044f51d47
1 file changed
tree: 9699866f9a6768d254f390e611139ce5e2856f63
  1. fuzzing/
  2. gdb/
  3. remote_provisioning/
  4. sanitizer-status/
  5. CleanSpec.mk
  6. OWNERS
  7. PREUPLOAD.cfg