Key generation in a communication system
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United States of America Patent
Stats
-
Mar 13, 2007
Grant Date -
Apr 14, 2005
app pub date -
Aug 6, 2004
filing date -
Jun 20, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A communication system generates a Master Session Key (MSK) for accesses to a system entity that does not provide encryption to traffic. Both the home server and the user generate the same MSK. The MSK is used to generate encryption keys for traffic. In one embodiment the MSK is generated using a hashing function and information specific to the requester. The home server determines the need to generate the MSK based on information contained in an access request message. Once generated, the MSK is provided to the system entity to enable the entity to encrypt communications.
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