Patent ID: 8296558
Filing Date: 2012-10-23
Classification: G06F,H04L,H04W

Abstract:
1. A method of securely negotiating a session key between a mobile node and a router in a network, the method comprising: initiating a communication session between the mobile node and the router using a protocol, including a process of registering or authenticating the mobile node within the network using the protocol; receiving from the router a public key within a first protocol message, the first protocol message having a format defined by the protocol, wherein the first protocol message is a protocol vendor specific packet including the public key; obtaining the session key; generating an encrypted session key from the session key; and during the process of registering or authenticating the mobile node, communicating the encrypted session key to the router within a second protocol message, the second protocol message having a format defined by the protocol, wherein the second protocol message is an initial request (RRQ) message including the encrypted session key.