The option for a "RSA (sign only)" key is a valid choice for advanced key generation via GnuPG and thus Seahorse. It may not be a wise choice in most cases but it is valid.
** Changed in: seahorse (Ubuntu) Status: New => Invalid -- Misinformation when generating keys: Lists RSA as "signing only" https://bugs.launchpad.net/bugs/255196 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs