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-rw-r--r--lib/Kconfig7
-rw-r--r--lib/rsa/Kconfig27
2 files changed, 28 insertions, 6 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 79b91b7747..a1f30a2c4e 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -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
diff --git a/lib/rsa/Kconfig b/lib/rsa/Kconfig
new file mode 100644
index 0000000000..1268a1b2db
--- /dev/null
+++ b/lib/rsa/Kconfig
@@ -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
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