help/opers/challenge

   1 CHALLENGE <nick|+response>
   2
   3 CHALLENGE is used in the RSA controlled
   4 oper {} system.  CHALLENGE requires you to
   5 issue the command using the nickname in the
   6 operator block, while matching the username
   7 and hostname specified.  The server will
   8 send you an RSA challenge.  You must send
   9 a valid RSA response back to the server,
  10 proceeded with a '+' symbol.