rsa: cosmetic: rename pad_len to key_len

[J-u-boot.git] / lib / rsa / Kconfig

diff --git a/lib/rsa/Kconfig b/lib/rsa/Kconfig
index 1268a1b2dbea649e50b5cf38a8f611c11116110c..09ec3582423bc0fc30c37531ade495e06f65fa01 100644 (file)
--- a/lib/rsa/Kconfig
+++ b/lib/rsa/Kconfig
@@ -6,6 +6,16 @@ config RSA
          RSA support. This enables the RSA algorithm used for FIT image
          verification in U-Boot.
          See doc/uImage.FIT/signature.txt for more details.
+         The Modular Exponentiation algorithm in RSA is implemented using
+         driver model. So CONFIG_DM needs to be enabled by default for this
+         library to function.
+         The signing part is build into mkimage regardless of this
+         option. The software based modular exponentiation is built into
+         mkimage irrespective of this option.
+
+config SPL_RSA
+       bool "Use RSA Library within SPL"
+       depends on RSA
 
 if RSA
 config RSA_SOFTWARE_EXP