Use the following commands to administer passwords, credentials, and keys (see the appropriate man pages for a full description of each command):
chkey. Changes a principal's Secure RPC key pair. Do not use chkey unless necessary, use passwd instead. See "Changing Keys for an NIS+ Principal" for more information.
keyserv. Enables the server for storing private encryption keys. See "Keylogin" for more information.
nisupdkeys. Updates public keys in directory objects. See "Updating Public Keys" for more information.
passwd. Changes and administers principal's password. See Chapter 11, Administering Passwords for more information.