make sure that serial number is valid DER when done (found by Viktor Dukhovni)
make sure that serial number is valid DER when done (found by Viktor Dukhovni)

madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal,madscientist159/heimdal