This object specifies the shared secret used to allow endpoints
to authenticate messages that are send between current Cisco
EnergyWise entity and discovered endpoints.
An endpoint is a device having the capability to receive and
respond Cisco EnergyWise communication messages.
For example, A Desktop PC or a Laptop connected to port of
a switch is an endpoint.
This object should be set by the user or network administrator
with very high access control using only SNMPv3 protocol with
authentication and privilege options.