caused a seg fault, sometimes executed somewhere else. Also add an error if the algorithm is unknown. Signed-off-by: Myles Watson <mylesgw@gmail.com> Acked-by: Ward Vandewege <ward@gnu.org> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4198 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1