| US 7,571,469 B2 | ||
| Method for communication control in a communication network, communication control entity, key management entity, terminal and gateway entity | ||
| Max Hamberg, Vantaa (Finland) | ||
| Assigned to Nokia Corporation, Espoo (Finland) | ||
| Filed on Apr. 11, 2003, as Appl. No. 10/411,362. | ||
| Claims priority of provisional application 60/435872, filed on Dec. 24, 2002. | ||
| Prior Publication US 2004/0120526 A1, Jun. 24, 2004 | ||
| Int. Cl. H04L 9/00 (2006.01); H04L 9/32 (2006.01) | ||
| U.S. Cl. 726—10 [726/3; 380/277] | 47 Claims |
| 1. A method, comprising:
determining whether a valid communication key to communicate in the communication network is contained in a received communication
request;
obtaining at least one valid communication key when the valid communication key is not within the communication request to
be assigned to an originating terminal of said request to communicate when the valid communication key is not within the communication
request; and
transmitting the determined valid communication key from the communication request or the obtained at least one valid communication
key to the originating terminal to communicate with a destination using the transmitted communication key, wherein
the communication key is obtained based on a type of the communication requested between the destination and the originating
terminal, and further based on quality of service parameters of the communication between the destination and the originating
terminal.
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