FIT: Modify option FIT_SIGNATURE in Kconfig
For FIT signature based approach to work, RSA library needs to be selected.
The FIT_SIGNATURE option in Kconfig is modified to automatically select RSA.
Selecting RSA compiles the RSA library required for image verification.
Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
CC: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/Kconfig b/Kconfig
index 4157da3..fed488f 100644
--- a/Kconfig
+++ b/Kconfig
@@ -116,8 +116,9 @@
depends on FIT
config FIT_SIGNATURE
- bool "Enabel signature verification of FIT uImages"
+ bool "Enable signature verification of FIT uImages"
depends on FIT
+ select RSA
help
This option enables signature verification of FIT uImages,
using a hash signed and verified using RSA.
diff --git a/lib/Kconfig b/lib/Kconfig
index 8460439..79b91b7 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -27,4 +27,11 @@
get_timer() must operate in milliseconds and this option must be
set to 1000.
+config RSA
+ bool "Use RSA Library"
+ help
+ RSA support. This enables the RSA algorithm used for FIT image
+ verification in U-Boot.
+ See doc/uImage.FIT/signature.txt for more details.
+
endmenu