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FIT: Modify option FIT_SIGNATURE in Kconfig

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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>
This commit is contained in:
Ruchika Gupta 2015-01-23 16:01:51 +05:30 • committed by Simon Glass
parent fc2f4246b4
commit c4beb22fcd
2 changed files with 9 additions and 1 deletions
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3
Kconfig
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@ -116,8 +116,9 @@ config FIT_VERBOSE
depends on FIT depends on FIT
config FIT_SIGNATURE config FIT_SIGNATURE
bool "Enabel signature verification of FIT uImages" bool "Enable signature verification of FIT uImages"
depends on FIT depends on FIT
select RSA
help help
This option enables signature verification of FIT uImages, This option enables signature verification of FIT uImages,
using a hash signed and verified using RSA. using a hash signed and verified using RSA.

7
lib/Kconfig
View file

@ -27,4 +27,11 @@ config SYS_HZ
get_timer() must operate in milliseconds and this option must be get_timer() must operate in milliseconds and this option must be
set to 1000. 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 endmenu