summaryrefslogtreecommitdiffstats
path: root/lib/Kconfig
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Kconfig')
-rw-r--r--lib/Kconfig25
1 files changed, 25 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 32f3e5ae2be5..5634e473ff6d 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -276,4 +276,29 @@ config CORDIC
so its calculations are in fixed point. Modules can select this
when they require this function. Module will be called cordic.
+config MPILIB
+ tristate "Multiprecision maths library"
+ help
+ Multiprecision maths library from GnuPG.
+ It is used to implement RSA digital signature verification,
+ which is used by IMA/EVM digital signature extension.
+
+config MPILIB_EXTRA
+ bool "Multiprecision maths library - additional sources"
+ depends on MPILIB
+ help
+ Multiprecision maths library from GnuPG.
+ It is used to implement RSA digital signature verification,
+ which is used by IMA/EVM digital signature extension.
+ This code in unnecessary for RSA digital signature verification,
+ and can be compiled if needed.
+
+config DIGSIG
+ tristate "In-kernel signature checker"
+ depends on KEYS
+ select MPILIB
+ help
+ Digital signature verification. Currently only RSA is supported.
+ Implementation is done using GnuPG MPI library
+
endmenu