Changes your encrypting key.
/usr/bin/chkey
The chkey command prompts you for a password and uses it to encrypt a new encryption key. Once the key is encrypted, the ypupdated daemon updates the /etc/publickey file.
The keylogin command, newkey command.
The keyserv daemon, ypupdated daemon.
The /etc/publickey file.
Network File System (NFS) Overview for System Management in AIX 5L Version 5.2 System Management Guide: Communications and Networks.
Network Information Service (NIS) in AIX 5L Version 5.2 Network Information Services (NIS and NIS+) Guide.