Patent ID: 7962122

Claim:
A method of securely authenticating subscriber and security data in a mobile routing system when the subscribers are also subscribers of a radio communication network, the method comprising: performing a first run of an authentication and key agreement procedure in the radio communication network, between a mobile node and an authentication server of the radio communication network, so as to authenticate the mobile node to the radio communication network; initiating an authentication procedure with a stable forwarding agent of the mobile routing system; performing a second run of the authentication and key agreement procedure between the mobile node and the authentication server so as to generate a shared secret; providing the shared secret to the stable forwarding agent and using the shared secret to authenticate the mobile node to the stable forwarding agent; sending a public key from the mobile node to the stable forwarding agent; agreeing upon keys by which further communications between the mobile node and the stable forwarding agent can be secured; following authentication of the mobile node to the stable forwarding agent, collecting at the stable forwarding agent subscriber contact information from said authentication server; using the subscriber contact information to assign a Fully Qualified Domain Name and/or IP address to the mobile node; and updating a subscriber database and DNS server with the Full Qualified Domain name and/or IP address and the public key provided by the mobile node.