System and method for network user authentication

(54) SYSTEM AND METHOD FOR NETWORK USER AUTHENTICATION

(75) Inventors: Wayne N. Taylor, Durham, NC (US);

Joseph A. Salowey, Seattle, WA (US);
Michael A. Wright, Cary, NC (US);
Amitava Das, Chapel Hill, NC (US);
William C. Gossman, Seattle, WA (US);
Gopal K. Dommety, San Jose, CA (US)

(73) Assignee: Cisco Technology, Inc., San Jose, CA (US)

( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 1077 days.

(21) Appl.No.: 10/266,819

(22) Filed: Oct. 7, 2002

(51) Int. CI.

G06F15/16 (2006.01)
G06F 7/04 (2006.01)
H04L 29/06 (2006.01)
H04K1/00 (2006.01)

(52) U.S. CI 726/7; 380/273; 713/153

(58) Field of Classification Search 713/153;

726/7; 380/273 See application file for complete search history.

(56) References Cited

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U.S. PATENT DOCUMENTS

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OTHER PUBLICATIONS

Paulo S. Pagliusi, A Contemporary Foreword on GSM Security, Lecture Notes in Computer Science, vol. 2437, Jan. 2002, pp. 129144*

Rigney et al. Remote Authentication Dial in User Service (RADIUS),
RFC 2138, 1997, Network Working Group, pp. 1-65*
Schneier, Bruce, "Applied Cryptography: Second Edition", 1996,
John Wiley and Sons, pp. 183-184.*

Juha Ala-Laurila, et al. "Wireless LAN Access Network Architecture for Mobile Operators", IEEE Communications Magazine, Nov. 2001, pp. 82-89, Nov. 2001.

* cited by examiner