Simply unarchive and bung into s:

This keyfile may not function on future releases of WP (if
i ever find the time to finish v2 ;)

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
-rw-rw-rw-    93/200        50      50 100.0% -lh0- 765b Sep 18  1996 wangipad.key
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         1 file       50      50 100.0%            Oct  3  1996