If unsure, say N.
config CORDIC
- tristate "Cordic function"
+ tristate "CORDIC algorithm"
help
- The option provides arithmetic function using cordic algorithm
- so its calculations are in fixed point. Modules can select this
- when they require this function. Module will be called cordic.
+ This option provides an implementation of the CORDIC algorithm;
+ calculations are in fixed point. 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