Patent ID: 8831226
Filing Date: 2014-09-09
Classification: H04L,H04W

Abstract:
1. A method for updating keys used for inter-node information transmission in a network environment where nodes in the network environment are hierarchically related, said network environment comprising: a manager node residing at a highest-level of the network hierarchy, the manager node comprising a processor having a random number generator, a network interface means, and a non-transitory storage, a representative node residing at a level lower on the network hierarchy than the manager node, the representative node comprising a processor having a random number generator, a network interface means, and a non-transitory storage, and a plurality of general nodes residing at a level lower on the network hierarchy than the representative node, wherein each general node comprises a processor having a random number generator, a network interface means, and a non-transitory storage, the method for updating keys comprising the steps of: