Implementing SE Profile: Joining PAN via Encrypted Comms

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Greetings,

I am working on setting up a ZigBee SE experiment. So far I have been able to 
successfully implement the Link Key establishment mechanism to include the 
validation of an Installation code with CRC and MMO for generating the Link 
Key, assigning the link key to the SED and providing the link key to the 
coordinator in anticipation of a Join Request. Now, I wanted to know if there 
is a way to send a join request between an XBEE-S2 setup using the Coordinator 
API Function set under XB24-ZB FW: 21A7 and an XBEE-S2 setup using the Router 
API Function Set under XB24-ZB FW: 23A7. I was under the impression that once 
the Link Key was generated and written to both the Coordinator and the 
Router/SED that the XBEE firmware would take over from there and automatically 
send an encrypted join request to the Coordinator using the Link Key who would 
in turn decrypt, verify and send the Network key encrypted using the link key 
to the Router/SED who would then decrypt, assign to itself and start comms. But 
clearly this is not the case because neither the MicroChip Sniffer or the Atmel 
RZUSBSTICK with the killerbee firmware piping traffic through a named piped to 
Wireshark detect anything other than a broadcast from the coordinator.  

I've looked through the XBEE-API and I haven't found anything that would 
facilitate initiating a join request to the coordinator; or maybe I have over 
looked it.

Has anyone using a similar scenario I described above successfully joined a 
Router/SED to a Pan using encrypted comms?

Thanks in advance.

Original issue reported on code.google.com by [email protected] on 29 Mar 2013 at 2:59