function add_xrd_crypt_keys($user) { $sig = MagicSig::get_public_sig($user->ID); $encoded = MagicSig::to_string($sig); echo '<Link rel="magic-public-key" href="data:application/magic-public-key,' . $encoded . '"/>'; echo '<Property xmlns:mk="http://salmon-protocol.org/ns/magic-key" type="http://salmon-protocol.org/ns/magic-key" mk:key_id="1"> ' . $encoded . ' </Property>'; }