The PSK, for when WPA in PSK mode is the selected authentication
suite, is configured by extremeWirelessVirtInterfaceKeyMgmtSuite.
An alternative manner of setting the PSK uses the password-to-key
algorithm defined in section XXX. This variable provides a means
to enter a pass phrase. When this object is written, the RSN
entity shall use the password-to-key algorithm specified in
section XXX to derive a pre-shared and populate
extremeWirelessVirtInerfaceDot1xPSKValue with this key.
This object is logically write-only. Reading this variable shall
return unsuccessful status or null or zero.