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2013-09-25MPILIB: add module description and licenseKonstantin Khlebnikov1-0/+3
This patch fixes lack of license, otherwise mpi.ko taints kernel. Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Signed-off-by: David Howells <dhowells@redhat.com>
2012-05-26Remove unused code from MPI libraryDmitry Kasatkin1-88/+0
MPI library is used by RSA verification implementation. Few files contains functions which are never called. James Morris has asked to remove all of them. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Requested-by: James Morris <james.l.morris@oracle.com> Signed-off-by: James Morris <james.l.morris@oracle.com>
2012-02-02lib/mpi: check for possible zero lengthDmitry Kasatkin1-0/+3
Buggy client might pass zero nlimbs which is meaningless. Added check for zero length. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Reviewed-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2012-02-02lib/mpi: replaced MPI_NULL with normal NULLDmitry Kasatkin1-1/+1
MPI_NULL is replaced with normal NULL. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com> Reviewed-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-11-09crypto: GnuPG based MPI lib - source files (part 1)Dmitry Kasatkin1-0/+208
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. Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@intel.com>