Authentication in a communication network

Details Authentication in a communication network Authentication in a communication network

2009-02-13

2010-10-12

Kincaid, Lester (Department: 2617)

Telecommunications

Radiotelephone system

Security or fraud prevention

C370S338000

Reexamination Certificate

active

07813718

ABSTRACT:
A mobile wireless terminal, the terminal comprising a generator configured to generate and store a first numerical chain comprising a series of n 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, and an authentication requester configured to disclose a value from the numerical chain to an access node, in order to allow the access node to authenticate the mobile wireless terminal, wherein the disclosed value succeeds any values in the chain already disclosed by the mobile wireless terminal.

REFERENCES:
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patent: 2003/0031151 (2003-02-01), Sharma et al.
patent: 2004/0184605 (2004-09-01), Soliman
patent: 2005/0257255 (2005-11-01), Quick et al.
patent: 2 367 986 (2002-04-01), None
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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