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I-D ACTION:draft-haverinen-mobileip-gsmsim-02.txt

A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title		: GSM SIM Authentication and Key Generation for Mobile 
	Author(s)	: H. Haverinen
	Filename	: draft-haverinen-mobileip-gsmsim-02.txt
	Pages		: 20
	Date		: 11-Apr-01
This document specifies a mechanism for Mobile IP network access
authentication and key distribution using the GSM Subscriber
Identity Module (SIM). The mechanism uses new subtypes of the
generalized key distribution extensions [1] for Mobile IP
Registration Request and Registration Reply. After the registration
keys have been generated, the default Mobile IP authentication with
these keys can be used (MD5 in prefix + suffix mode). The keys can
be used for several subsequent registrations. However, there are
lifetimes for the keys and before the lifetimes expire, new keys can
be generated with the same procedure.

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