Authentication in a communication network

Details Authentication in a communication network Authentication in a communication network

2003-12-24

2009-06-23

Kincaid, Lester (Department: 2617)

Telecommunications

Radiotelephone system

Security or fraud prevention

C370S338000

Reexamination Certificate

active

07551914

ABSTRACT:
A method of authenticating a mobile node to a communication system is provided, the communication system comprising a plurality of access nodes, the method comprising the steps of (a) generating a numerical chain comprising a seriesof values using a one-way coding function such that a given value within the chain is easily obtainable from a subsequent value, but the subsequent value is not easily obtainable from that given value; (b) sending a value from the first numerical chain from the mobile node to an access node to which the mobile node wishes to attach; and (c) using the sent value at the access node to authenticate the mobile node.

REFERENCES:
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patent: 2005/0257255 (2005-11-01), Quick et al.
patent: 2 367 986 (2002-04-01), None
Harn et al, “On the Security of Wireless Network Access with Enhancements”, Proceedings of the 2003 ACM Workshop on Wireless Sec, Sep. 2003, pp. 88-95.
Lamport, “Password Authentication with Insecure Communication”, Communications of the Association for Computer Machinery, Association of Computing Machinery, New York, vol. 24, No. 11, Nov. 1, 1981, pp. 770-772.
International Search Report of PCT/EP2003/051101, mailed Sep. 3, 2004.
Lein Harn, “On the Security of Wireless Network Access with Enhancements”, Proceedings of the 2003 ACM Workshop On Wireless SEC, ′Online!, Sep. 2003, pp. 88-95, XP002292895.
Lamport, “Password Authentication with Insecure Communication”, Communications of the Association for Computing Machinery, vol. 24, No. 11, Nov. 1, 1981, pp. 770-772, XP000577349.

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