Method of constructing domain based on public key and...

Details Method of constructing domain based on public key and... Method of constructing domain based on public key and...

2004-09-30

2008-09-09

Song, Hosuk (Department: 2135)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S175000

Reexamination Certificate

active

07424613

ABSTRACT:
A method of constructing a unique domain for preventing content from being illegally used by an unauthorized third person in a public key-based architecture and applying the constructed domain to a home network using universal plug and play (UPnP). The method of the present invention includes selecting one of controlled devices that are operable as a master device and determining the selected device as the master device; performing device authentication in such a manner that other controlled devices receive a secret information block from the determined master device and create certificates; and determining slave devices by selecting one or more devices among the authenticated controlled devices.

REFERENCES:
patent: 7031945 (2006-04-01), Donner
patent: 2003/0135552 (2003-07-01), Blackstock et al.
patent: 2001-203680 (2001-07-01), None
patent: 2001-352321 (2001-12-01), None
patent: 2002-291039 (2002-10-01), None
patent: 2003-198544 (2003-07-01), None
UPnP AV Architecture V: 0.83, Jun. 12, 2002.

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