Secure traffic redirection in a mobile communication system
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Accused Products
Abstract
A method of securely initialising subscriber and security data in a mobile routing system when the subscribers are also subscribers of a radio communication network. The method comprises, within the mobile routing system, authenticating subscribers to the mobile routing system using an authentication procedure defined for the radio communication network, collecting subscriber information from relevant nodes of the radio network, and agreeing upon keys by which further communications between the subscribers and the mobile routing system can take place, and using said subscriber information and keys in the provision of mobility services to subscriber mobile nodes and correspondent nodes.
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Citations
22 Claims
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1-11. -11. (canceled)
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12. A method of securely initialising subscriber and security data in a mobile routing system when the subscribers are also subscribers of a radio communication network, the method comprising:
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within the mobile routing system, authenticating subscribers to the mobile routing system using an authentication procedure defined for the radio communication network, collecting subscriber information from relevant nodes of the radio network, and agreeing upon keys by which further communications between the subscribers and the mobile routing system can take place; and
using said subscriber information and keys in the provision of mobility services to subscriber mobile nodes and correspondent nodes. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A method of operating a mobile node for use in a mobile radio communication system, the method comprising:
initiating an authentication procedure defined for the radio communication network, for the purpose of authenticating the mobile node to a mobile routing system, and conducting said procedure with an authentication server via a mobility server of the mobile routing system.
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21. A method of operating a mobility server of a mobile routing system, the method comprising:
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relaying messages associated with an authentication procedure, between a mobile node and an authentication node;
following completion of said procedure, receiving a shared secret from the authentication server, and collecting subscriber information from the authentication server and/or other network nodes; and
using said subscriber information and keys in the provision of mobility services to subscriber mobile nodes.
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22. A method of operating an authentication server of a mobile radio communication network, the method comprising;
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conducting an authentication procedure with a mobile node via a mobility server; and
sending a shared secret resulting from said procedure to said mobility server.
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Specification