Secure network access method

Details Secure network access method Secure network access method

2007-10-23

2007-10-23

Arani, Taghi (Department: 2139)

Cryptography

Communication system using cryptography

Wireless communication

C713S156000, C726S004000, C726S005000, C726S018000, C726S019000, C726S028000, C726S029000

Reexamination Certificate

active

10185359

ABSTRACT:
The present invention provides network-layer authentication protocols for authenticating mobile client and access router to each other. The present invention uses Router Discovery as a carrier to implement the authentication protocols. In an embodiment of the present invention, a mobile client sends out a solicitation message to request connectivity service. The solicitation message contains a proof of identity of the mobile client. An access router that receives the solicitation message will not respond to it until the proof of the identity is verified. Only when the proof of identity of the mobile client is verified, will the access router respond and return an advertising message to the mobile client, thereby preventing unauthorized mobile clients from obtaining network access.

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Yegin, Alper E. et al. “Secure Network Access Using Router Discovery and AAA” UNAP Working Group, Internet Draft, Category: Standards Track, Nov. 14, 2001, pp. 1-14.
Flykt, Patrick et al. “AAA for IPv6 Network Access” UPng Working Group, Internet Draft, Jul. 20, 2001, p. 1-33.

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