> Why is this behavior? I took a glance at RFC4880 and I could not find a > requirement that only primary keys are used for certifying, although it > is very possible that I just missed it.
Does the subkey have the certify capability on it? If the subkey isn't marked for certifying, it can't be used to certify. _______________________________________________ Gnupg-users mailing list Gnupg-users@gnupg.org http://lists.gnupg.org/mailman/listinfo/gnupg-users