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3 Commits

Author SHA1 Message Date
Dmitry Kasatkin
7cf4206a99 Remove unused code from MPI library 
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>
 2012-05-26 11:51:03 +10:00
Dmitry Kasatkin
a6d68ecc56 lib/mpi: added comment on divide by 0 case 
Comment explains that existing clients do not call this function
with dsize == 0, which means that 1/0 should not happen.

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>
 2012-02-02 00:23:39 +11:00
Dmitry Kasatkin
cdec9cb516 crypto: GnuPG based MPI lib - source files (part 1) 
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>
 2011-11-09 11:45:22 +02:00