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lib/rsa: Add Kconfig for devices supporting RSA Modular Exponentiation 

Kconfig option added for devices which support RSA Verification.
1. RSA_SOFTWARE_EXP
Enables driver for supporting RSA Modular Exponentiation in Software
2. RSA_FREESCALE_EXP
Enables driver for supporting RSA Modular Exponentiation using Freescale specific
driver

The above drivers use RSA uclass

Signed-off-by: Ruchika Gupta <ruchika.gupta@freescale.com>
CC: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
(Removed duplicate line in Kconfig comment)

Change-Id: I7663c4d5350e2bfc3dfa2696f70ef777d6ccc6f6
utp
Ruchika Gupta 2015-01-23 16:01:56 +05:30 committed by Simon Glass
parent 34276478f7
commit d9f23c7fe2
2 changed files with 28 additions and 6 deletions
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7
lib/Kconfig
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@ -27,11 +27,6 @@ config SYS_HZ
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.
source lib/rsa/Kconfig
endmenu

27
lib/rsa/Kconfig 100644
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@ -0,0 +1,27 @@
config RSA
bool "Use RSA Library"
select RSA_FREESCALE_EXP if FSL_CAAM
select RSA_SOFTWARE_EXP if !RSA_FREESCALE_EXP
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.
if RSA
config RSA_SOFTWARE_EXP
bool "Enable driver for RSA Modular Exponentiation in software"
depends on DM && RSA
help
Enables driver for modular exponentiation in software. This is a RSA
algorithm used in FIT image verification. It required RSA Key as
input.
See doc/uImage.FIT/signature.txt for more details.
config RSA_FREESCALE_EXP
bool "Enable RSA Modular Exponentiation with FSL crypto accelerator"
depends on DM && RSA && FSL_CAAM
help
Enables driver for RSA modular exponentiation using Freescale cryptographic
accelerator - CAAM.
endif