Keyblock:                tests/devkeys/firmware.keyblock
  Size:                  0x8b8
  Signature:             valid
    Size:                0x400
    Data size:           0x478
  Flags:                 23  !DEV DEV !REC !MINIOS
  Data key algorithm:    7 RSA4096 SHA256
  Data key version:      1
  Data key sha1sum:      e2c1c92d7d7aa7dfed5e8375edd30b7ae52b7450