Presentation	2006-10-26 An Effective Authentication Procedure considering Security Risks for Seamless Handover Takashi MATSUNAKA, Haruki IZUMIKAWA, Keizo SUGIYAMA,
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Abstract(in English)	This paper describes an approach to reduce authentication delay during handover between heterogeneous networks. The authentication information is shared between user terminals and the targeted network using two hash-chains by applying the concept of Timed Efficient Stream Loss-tolerant Authentication (TESLA) which is used in broadcast packets. Our approach gives users expity time to keep the security level of the system. In addition, we propose 'pre-auth' type in the Extensible Authentication Protocol(EAP) authentication process to utilize the authentication information. Finally, we describe about the quantative analysis of our approach.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	seamless handover / authentication
Paper #	NS2006-120
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Conference Information
Committee	NS
Conference Date	2006/10/18(1days)
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Paper Information
Registration To	Network Systems(NS)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	An Effective Authentication Procedure considering Security Risks for Seamless Handover
Sub Title (in English)
Keyword(1)	seamless handover
Keyword(2)	authentication
1st Author's Name	Takashi MATSUNAKA
1st Author's Affiliation	KDDI R&D Laboratories Inc.()
2nd Author's Name	Haruki IZUMIKAWA
2nd Author's Affiliation	KDDI R&D Laboratories Inc.
3rd Author's Name	Keizo SUGIYAMA
3rd Author's Affiliation	KDDI R&D Laboratories Inc.
Date	2006-10-26
Paper #	NS2006-120
Volume (vol)	vol.106
Number (no)	310
Page	pp.pp.-
#Pages	6
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