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authorJames Morris <jmorris@namei.org>2011-11-18 18:21:31 +1100
committerJames Morris <jmorris@namei.org>2011-11-18 18:21:31 +1100
commit4e2c5b28f8086cd2f678ade0ea21d8c3cc058c53 (patch)
tree789fbdac68279765ade21c576bb22b77a5c112bc /lib/Kconfig
parent8077e8b059232f23fe51fdc42868dcd8ba293549 (diff)
parent15647eb3985ef30dfd657038924dc85c03026733 (diff)
Merge branch 'next-evm-digsig' of git://git.kernel.org/pub/scm/linux/kernel/git/kasatkin/linux-digsig into next
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 32f3e5ae2be..c1a89185fe6 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 CRYPTO
+ select MPILIB
+ help
+ Digital signature verification. Currently only RSA is supported.
+ Implementation is done using GnuPG MPI library
+
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