Cryptography – Key management – Key distribution
Reexamination Certificate
2006-04-04
2010-11-16
Jung, David Y (Department: 2431)
Cryptography
Key management
Key distribution
C380S278000, C380S277000
Reexamination Certificate
active
07835528
ABSTRACT:
An approach is provided for refreshing keys in a communication system. An application request is transmitted to a network element configured to provide secure services. A message is received, in response to the application request, indicating refreshment of a key that is used to provide secure communications with the network element. A refreshed key is derived based on the received message.
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Bajko Gabor
Chan Tat Keung
Ditthavong Mori & Steiner, P.C.
Jung David Y
Nokia Corporation
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