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crypto: GnuPG based MPI lib - additional sources (part 4)

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Adds the multi-precision-integer maths library which was originally taken
from GnuPG and ported to the kernel by (among others) David Howells.
This version is taken from Fedora kernel 2.6.32-71.14.1.el6.
The difference is that checkpatch reported errors and warnings have been fixed.

This library is used to implemenet RSA digital signature verification
used in IMA/EVM integrity protection subsystem.

Due to patch size limitation, the patch is divided into 4 parts.

This code is unnecessary for RSA digital signature verification,
but for completeness it is included here and can be compiled,
if CONFIG_MPILIB_EXTRA is enabled.

Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
This commit is contained in:
Dmitry Kasatkin
2011-11-07 15:16:37 +02:00
parent d9c46b184f
commit 7e8dec918e
12 changed files with 1400 additions and 0 deletions
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11
lib/mpi/Makefile
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@@ -19,3 +19,14 @@ mpi-y = \
mpih-mul.o \
mpi-pow.o \
mpiutil.o
mpi-$(CONFIG_MPILIB_EXTRA) += \
mpi-add.o \
mpi-div.o \
mpi-cmp.o \
mpi-gcd.o \
mpi-inline.o \
mpi-inv.o \
mpi-mpow.o \
mpi-mul.o \
mpi-scan.o