CONFIG_FIT_SIGNATURE - enable signing and verfication in FITs
CONFIG_RSA - enable RSA algorithm for signing
+WARNING: When relying on signed FIT images with required signature check
+the legacy image format is default disabled by not defining
+CONFIG_IMAGE_FORMAT_LEGACY
Testing
-------
Sign images
Test Verified Boot Run: signed config: OK
check signed config on the host
+Signature check OK
OK
Test Verified Boot Run: signed config: OK
Test Verified Boot Run: signed config with bad hash: OK
Sign images
Test Verified Boot Run: signed config: OK
check signed config on the host
+Signature check OK
OK
Test Verified Boot Run: signed config: OK
Test Verified Boot Run: signed config with bad hash: OK
Test passed
+
Future Work
-----------
- Roll-back protection using a TPM is done using the tpm command. This can