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authorJames Morris <jmorris@namei.org>2012-01-09 12:16:48 +1100
committerJames Morris <jmorris@namei.org>2012-01-09 12:16:48 +1100
commit8fcc99549522fc7a0bbaeb5755855ab0d9a59ce8 (patch)
treea118eaef15d4ba22247f45ee01537ecc906cd161 /lib/Kconfig
parent805a6af8dba5dfdd35ec35dc52ec0122400b2610 (diff)
parent7b7e5916aa2f46e57f8bd8cb89c34620ebfda5da (diff)
downloadlinux-8fcc99549522fc7a0bbaeb5755855ab0d9a59ce8.tar.bz2
Merge branch 'next' into for-linus
Conflicts: security/integrity/evm/evm_crypto.c Resolved upstream fix vs. next conflict manually. Signed-off-by: James Morris <jmorris@namei.org>
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
+
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