Method and system for key distribution and authentication in a d

Details Method and system for key distribution and authentication in a d Method and system for key distribution and authentication in a d

1994-12-02

1996-07-23

Barron, Jr., Gilberto

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 23, 380 25, 380 30, H04N 932

Patent

active

055398243

ABSTRACT:
This invention deals with a safe key distribution and authentication in a data communication network (e.g. wireless LAN type of network).
The network includes a network manager to which are connected, via a LAN wired circuit, one or more base stations. Individual remote stations are, in turn, wirelessly connected to an installed base station.
One essential function for achieving security in such a network, is a mechanism to reliably authenticate the exchanges of data between communicating parties. This involves the establishment of session keys, which keys need to be distributed safely to the network components. An original and safe method is provided with this invention for key distribution and authentication during network installation, said method including using the first installed base station for generating a network key and a backbone key, and then using said first installed base station for subsequent remote station or additional base station installations while avoiding communicating said network key.

REFERENCES:
patent: 5199072 (1993-03-01), White et al.
patent: 5202921 (1993-04-01), Herzberg et al.
patent: 5319711 (1994-06-01), Servi
patent: 5442703 (1995-08-01), Kim et al.
Computers & Security International Journal Devoted to the Study of Tech. & Financial Aspects of Computer Security, vol. 9, No. 2, Apr. 1990 145-152.

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