US Patent 8699704 Secure node admission in a communication network

A system and method for node admission in a communication network having a NC and a plurality of associated network nodes. Key determination in a communication network includes a NN sending to the NC a request for a SALT; the NN receiving the SALT from the NC, combining the SALT with its network password w calculate a static key, and submitting an admission request to the NC to request a dynamic key. The SALT can be a random number generated by the NC, and the admission request can be encrypted by the NN using the static key.