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COROSYNC-KEYGEN(8)					    COROSYNC-KEYGEN(8)

NAME
       corosync-keygen - Generate an authentication key for Corosync.

SYNOPSIS
       corosync-keygen [-l]

DESCRIPTION
       If  you	want  to configure corosync to use cryptographic techniques to
       ensure authenticity
       and privacy of the messages, you will need to generate a private key.

       corosync-keygen	  creates    this    key    and	   writes    it	    to
       /etc/corosync/authkey.

       This  private key must be copied to every processor in the cluster.  If
       the
       private key isn't the same for every node, those nodes with nonmatching
       private
       keys will not be able to join the same configuration.

       Copy  the  key  to  some	 security  transportable storage or use ssh to
       transmit the
       key from node to node.  Then install the key with the command:

       unix#:	  install     -D     --group=0	    --owner=0	   --mode=0400
       /path_to_authkey/authkey /etc/corosync/authkey

       If  a message "Invalid digest" appears from the corosync executive, the
       keys
       are not consistent between processors.

       Note: corosync-keygen will ask for user input to assist	in  generating
       entropy unless the -l option is used.

OPTIONS
       -l     Use  a less secure random data source that will not require user
	      input to help generate
	      entropy.	This may be useful when this utility is	 used  from  a
	      script.

EXAMPLES
       Generate the key.

       $ corosync-keygen
       Corosync Cluster Engine Authentication key generator.
       Gathering 1024 bits for key from /dev/random.
       Press keys on your keyboard to generate entropy.

SEE ALSO
       corosync_overview(8), corosync.conf(5),

AUTHOR
       Angus Salkeld

				  2010-05-30		    COROSYNC-KEYGEN(8)

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