On Sun, Feb 11, 2018 at 12:18:12AM +0000, Colin Watson wrote: > The CRC implementation imported from libgcrypt 1.5.3 is arguably > non-free, due to being encumbered by the restrictive Internet Society > licence on RFCs (see e.g. https://wiki.debian.org/NonFreeIETFDocuments). > Fortunately, libgcrypt has since replaced it with a version that is both > reportedly better-optimised and doesn't suffer from this encumbrance. > > The ideal solution would be to update to a new version of libgcrypt, and > I spent some time trying to do that. However, util/import_gcry.py > requires complex modifications to cope with the new version, and I > stalled part-way through; furthermore, GRUB's libgcrypt tree already > contains some backports of upstream changes. Rather than allowing the > perfect to be the enemy of the good, I think it's best to backport this > single change to at least sort out the licensing situation. Doing so > won't make things any harder for a future wholesale upgrade. > > This commit is mostly a straightforward backport of > https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commitdiff;h=06e122baa3321483a47bbf82fd2a4540becfa0c9, > but I also imported bufhelp.h from libgcrypt 1.7.0 (newer versions > required further changes elsewhere). > > I've tested that "hashsum -h crc32" still produces correct output for a > variety of files on both i386-pc and x86_64-emu targets. > > Signed-off-by: Colin Watson <cjwat...@ubuntu.com>
Reviewed-by: Daniel Kiper <daniel.ki...@oracle.com> Daniel _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel
