RE: Regarding Thread coap

Marjeris Romero — Wed, 27 Mar 2019 14:39:08 GMT

Hi Alan,

1. Yes, you can use the CLI example. Routers will be in the routing table, and it is possible to send a request about children for each router.

2. Yes, the examples come pre-commisioned with the same pan-id and network key.

3. & 4. Thread reuses 802.15.4 security. All messages inside the Thread Network are secured with a key derived from network credentials. The only unsecured messages are: Thread Network Discovery messages, and the initial communication between the Joiner and Joiner Router in the Thread commissioning process. To securily transmit information over unsecured link, a DTLS session is established (connection between Commisioner and Joiner). Maybe this whitepaper from the Thread group could be helpful to understand the security established in the commissioning process.

Best Regards,

Marjeris