Method and system for managing key of home device in...

Details Method and system for managing key of home device in... Method and system for managing key of home device in...

2006-04-11

2011-11-08

Moazzami, Nasser (Department: 2436)

Cryptography

Key management

Key distribution

C713S171000

Reexamination Certificate

active

08054975

ABSTRACT:
A method and a system for managing a key of a home device in a broadcast encryption system are provided. A hierarchical structure of a group set comprising a plurality of nodes corresponding to the home server and a plurality of nodes corresponding to the home device is formed. A key set to be allotted to the node set is generated. The node group is allowed to correspond to the key set to generate key-node corresponding information according to a request of the home server.

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Lotspiech et al., “Anonymous Trust: Digital Rights Management Using Broadcast Encryption.” Jun. 2004, Proceeedings of the IEEE vol. 92 No. 6. pp. 1-12.

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