Patent ID: 9276818
Filing Date: 2016-03-01
CPC Classification: H04L,H04W

Claim Text:
1. A method of securely joining a joining device to a mesh network, the method comprising: receiving, at a joiner router, a Datagram Transport Layer Security (DTLS)-ClientHello message from the joining device requesting to join the mesh network; encapsulating the received DTLS-ClientHello message in a DTLS Relay Receive Notification message; transmitting the DTLS Relay Receive Notification message to a commissioning device of the mesh network; receiving, from the commissioning device, a DTLS Relay Transmit Notification message; transmitting content of the DTLS Relay Transmit Notification message to the joining device, the content effective to enable the joining device to join the mesh network; receiving, from the commissioning device, an indication that the joining device is to be entrusted to receive network credentials for the mesh network; receiving, from the commissioning device, a Key Encryption Key (KEK) that is shared between the commissioning device and the joining device; and responsive to the receiving the indication, transmitting the network credentials from the joiner router to the joining device using the KEK to secure communication of the network credentials.