Method for generating group key

Details Method for generating group key Method for generating group key

2011-01-11

2011-01-11

Abrishamkar, Kaveh (Department: 2431)

Cryptography

Key management

Key distribution

C380S044000

Reexamination Certificate

active

07869605

ABSTRACT:
A method is provided for generating a group key, including sharing a plurality of secret keys with a plurality of nodes adjacent to a first node of the plurality of nodes, obtaining a plurality of function values using the plurality of secret keys and a result value using the plurality of function values, broadcasting the result value, receiving a plurality of result values generated using a method by which the result value has been obtained, from nodes of the plurality of nodes except for a corresponding node, and obtaining a group key using a plurality of function values extracted from the plurality of function values and the plurality of result values.

REFERENCES:
patent: 6240188 (2001-05-01), Dondeti et al.
patent: 6813357 (2004-11-01), Matsuzaki et al.
patent: 7103185 (2006-09-01), Srivastava et al.
patent: 7319752 (2008-01-01), Asano et al.
patent: 7778423 (2010-08-01), Martin et al.

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