Method for providing security on a powerline-modem network

Details Method for providing security on a powerline-modem network Method for providing security on a powerline-modem network

2007-01-09

2007-01-09

Vu, Kim (Department: 2135)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C380S278000, C380S029000, C455S402000

Reexamination Certificate

active

09837288

ABSTRACT:
A method for creating a secure powerline modem network transmits a private key (y) individually to each of the plurality of powerline modem devices (22) to be secured in a network such that each powerline modem device receives the private key in isolation of the network. Each of the plurality of powerline modem devices store the private key. A public key (X) is computed by a master device (32) in the network to be secured. The public key is transmitted from the master device to the plurality of devices. A shared key (Y) is computed at each of the plurality of powerline devices based on the public key and the private key, and communication within the secured network is performed by employing messages encrypted based on the shared key.

REFERENCES:
patent: 4985919 (1991-01-01), Naruse et al.
patent: 6240513 (2001-05-01), Friedman et al.
patent: 6363449 (2002-03-01), Sides et al.
patent: 6370396 (2002-04-01), Meiksin et al.
patent: 6438691 (2002-08-01), Mao
Menezes, Oorschot, Vanstone: “Handbook of Applied Cryptography” 1997, CRC Press, USA, (pp. 490, 498-499 and 528), XP000864294.

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