[spam][crazy] wow! that email containing the 'signatures' was hard to send.
also, my age already had the -y option. it's on age-keygen, not age. I'm sure grarpamp's age signature scheme is actually for real quite workable if one went into the age encryption aglorithms and properly shared key material in such a way that the public key is not generateable from the private. Not a cryptographer myself.
