+# kill the previous sshd process if it's still running
+kill "$SSHD_PID"
+
+# now remove the testuser's authorized_user_ids file and reupdate
+# authorized_keys file...
+echo "### removing testuser authorized_user_ids and reupdating authorized_keys..."
+rm -f "$TEMPDIR"/testuser/.monkeysphere/authorized_user_ids
+monkeysphere-server update-users "$USER"
+
+# restart the sshd
+echo "### restarting sshd..."
+launch_sshd
+
+# and make sure the user can no longer connect
+echo "### testuser attempting to connect to sshd socket..."
+# FIXME: this prompts for the passphrase for the default identity
+# file. how can this be avoided?
+ssh_test || SSH_RETURN="$?"
+if [ "$SSH_RETURN" != '255' ] ; then
+ exit
+fi